diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/imgui_impl_marmalade.h b/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..c41a5e8 --- /dev/null +++ b/examples/imgui_impl_marmalade.h @@ -0,0 +1,27 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_API void ImGui_Marmalade_Shutdown(); +IMGUI_API void ImGui_Marmalade_NewFrame(); +IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); +IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); +IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/imgui_impl_marmalade.h b/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..c41a5e8 --- /dev/null +++ b/examples/imgui_impl_marmalade.h @@ -0,0 +1,27 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_API void ImGui_Marmalade_Shutdown(); +IMGUI_API void ImGui_Marmalade_NewFrame(); +IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); +IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); +IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/imgui_impl_marmalade.cpp b/examples/marmalade_example/imgui_impl_marmalade.cpp deleted file mode 100644 index 947bcbd..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.cpp +++ /dev/null @@ -1,314 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include "imgui.h" -#include "imgui_impl_marmalade.h" - -#include -#include -#include -#include -#include - -// Data -static double g_Time = 0.0f; -static bool g_MousePressed[3] = { false, false, false }; -static CIwTexture* g_FontTexture = NULL; -static char* g_ClipboardText = NULL; -static bool g_osdKeyboardEnabled = false; - -// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor -static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) -{ - // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) - ImGuiIO& io = ImGui::GetIO(); - draw_data->ScaleClipRects(io.DisplayFramebufferScale); - - // Render command lists - for(int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; - const int nVert = cmd_list->VtxBuffer.Size; - CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); - - for( int i=0; i < nVert; i++ ) - { - // TODO: optimize multiplication on gpu using vertex shader/projection matrix. - pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; - pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; - pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; - pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; - pColStream[i] = cmd_list->VtxBuffer[i].col; - } - - IwGxSetVertStreamScreenSpace(pVertStream, nVert); - IwGxSetUVStream(pUVStream); - IwGxSetColStream(pColStream, nVert); - IwGxSetNormStream(0); - - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); - pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); - pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); - pCurrentMaterial->SetFiltering(false); - pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); - pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); - pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); - pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); - IwGxSetMaterial(pCurrentMaterial); - IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); - } - idx_buffer += pcmd->ElemCount; - } - IwGxFlush(); - } - - // TODO: restore modified state (i.e. mvp matrix) -} - -static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) -{ - if (!s3eClipboardAvailable()) - return NULL; - - if (int size = s3eClipboardGetText(NULL, 0)) - { - if (g_ClipboardText) - delete[] g_ClipboardText; - g_ClipboardText = new char[size]; - g_ClipboardText[0] = '\0'; - s3eClipboardGetText(g_ClipboardText, size); - } - - return g_ClipboardText; -} - -static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) -{ - if (s3eClipboardAvailable()) - s3eClipboardSetText(text); -} - -int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) -{ - // pEvent->m_Button is of type s3ePointerButton and indicates which mouse - // button was pressed. For touchscreen this should always have the value - // S3E_POINTER_BUTTON_SELECT - s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; - - if (pEvent->m_Pressed == 1) - { - if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) - g_MousePressed[0] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) - g_MousePressed[1] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) - g_MousePressed[2] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) - io.MouseWheel += pEvent->m_y; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) - io.MouseWheel += pEvent->m_y; - } - - return 0; -} - -int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; - if (e->m_Pressed == 1) - io.KeysDown[e->m_Key] = true; - if (e->m_Pressed == 0) - io.KeysDown[e->m_Key] = false; - - io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; - io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; - io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; - io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; - - return 0; -} - -int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; - if ((e->m_Char > 0 && e->m_Char < 0x10000)) - io.AddInputCharacter((unsigned short)e->m_Char); - - return 0; -} - -bool ImGui_Marmalade_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO& io = ImGui::GetIO(); - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Upload texture to graphics system - g_FontTexture = new CIwTexture(); - g_FontTexture->SetModifiable(true); - CIwImage& image = g_FontTexture->GetImage(); - image.SetFormat(CIwImage::ARGB_8888); - image.SetWidth(width); - image.SetHeight(height); - image.SetBuffers(); // allocates and own buffers - image.ReadTexels(pixels); - g_FontTexture->SetMipMapping(false); - g_FontTexture->SetFiltering(false); - g_FontTexture->Upload(); - - // Store our identifier - io.Fonts->TexID = (void *)g_FontTexture; - - return true; -} - -void ImGui_Marmalade_InvalidateDeviceObjects() -{ - if (g_ClipboardText) - { - delete[] g_ClipboardText; - g_ClipboardText = NULL; - } - - if (g_FontTexture) - { - delete g_FontTexture; - ImGui::GetIO().Fonts->TexID = 0; - g_FontTexture = NULL; - } -} - -bool ImGui_Marmalade_Init(bool install_callbacks) -{ - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; - io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; - io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; - io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; - io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; - io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; - io.KeyMap[ImGuiKey_Home] = s3eKeyHome; - io.KeyMap[ImGuiKey_End] = s3eKeyEnd; - io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; - io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; - io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; - io.KeyMap[ImGuiKey_Space] = s3eKeySpace; - io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; - io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; - io.KeyMap[ImGuiKey_A] = s3eKeyA; - io.KeyMap[ImGuiKey_C] = s3eKeyC; - io.KeyMap[ImGuiKey_V] = s3eKeyV; - io.KeyMap[ImGuiKey_X] = s3eKeyX; - io.KeyMap[ImGuiKey_Y] = s3eKeyY; - io.KeyMap[ImGuiKey_Z] = s3eKeyZ; - - io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; - io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; - - if (install_callbacks) - { - s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); - } - - return true; -} - -void ImGui_Marmalade_Shutdown() -{ - ImGui_Marmalade_InvalidateDeviceObjects(); -} - -void ImGui_Marmalade_NewFrame() -{ - if (!g_FontTexture) - ImGui_Marmalade_CreateDeviceObjects(); - - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); - io.DisplaySize = ImVec2((float)w, (float)h); - // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. - io.DisplayFramebufferScale = g_scale; - - // Setup time step - double current_time = s3eTimerGetUST() / 1000.0f; - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - double mouse_x, mouse_y; - mouse_x = s3ePointerGetX(); - mouse_y = s3ePointerGetY(); - io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MousePressed[i] = false; - } - - // TODO: Hide OS mouse cursor if ImGui is drawing it - // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); - - // Show/hide OSD keyboard - if (io.WantTextInput) - { - // Some text input widget is active? - if (!g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = true; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard - } - } - else - { - // No text input widget is active - if (g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = false; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard - } - } -} diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/imgui_impl_marmalade.h b/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..c41a5e8 --- /dev/null +++ b/examples/imgui_impl_marmalade.h @@ -0,0 +1,27 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_API void ImGui_Marmalade_Shutdown(); +IMGUI_API void ImGui_Marmalade_NewFrame(); +IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); +IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); +IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/imgui_impl_marmalade.cpp b/examples/marmalade_example/imgui_impl_marmalade.cpp deleted file mode 100644 index 947bcbd..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.cpp +++ /dev/null @@ -1,314 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include "imgui.h" -#include "imgui_impl_marmalade.h" - -#include -#include -#include -#include -#include - -// Data -static double g_Time = 0.0f; -static bool g_MousePressed[3] = { false, false, false }; -static CIwTexture* g_FontTexture = NULL; -static char* g_ClipboardText = NULL; -static bool g_osdKeyboardEnabled = false; - -// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor -static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) -{ - // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) - ImGuiIO& io = ImGui::GetIO(); - draw_data->ScaleClipRects(io.DisplayFramebufferScale); - - // Render command lists - for(int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; - const int nVert = cmd_list->VtxBuffer.Size; - CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); - - for( int i=0; i < nVert; i++ ) - { - // TODO: optimize multiplication on gpu using vertex shader/projection matrix. - pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; - pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; - pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; - pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; - pColStream[i] = cmd_list->VtxBuffer[i].col; - } - - IwGxSetVertStreamScreenSpace(pVertStream, nVert); - IwGxSetUVStream(pUVStream); - IwGxSetColStream(pColStream, nVert); - IwGxSetNormStream(0); - - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); - pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); - pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); - pCurrentMaterial->SetFiltering(false); - pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); - pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); - pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); - pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); - IwGxSetMaterial(pCurrentMaterial); - IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); - } - idx_buffer += pcmd->ElemCount; - } - IwGxFlush(); - } - - // TODO: restore modified state (i.e. mvp matrix) -} - -static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) -{ - if (!s3eClipboardAvailable()) - return NULL; - - if (int size = s3eClipboardGetText(NULL, 0)) - { - if (g_ClipboardText) - delete[] g_ClipboardText; - g_ClipboardText = new char[size]; - g_ClipboardText[0] = '\0'; - s3eClipboardGetText(g_ClipboardText, size); - } - - return g_ClipboardText; -} - -static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) -{ - if (s3eClipboardAvailable()) - s3eClipboardSetText(text); -} - -int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) -{ - // pEvent->m_Button is of type s3ePointerButton and indicates which mouse - // button was pressed. For touchscreen this should always have the value - // S3E_POINTER_BUTTON_SELECT - s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; - - if (pEvent->m_Pressed == 1) - { - if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) - g_MousePressed[0] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) - g_MousePressed[1] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) - g_MousePressed[2] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) - io.MouseWheel += pEvent->m_y; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) - io.MouseWheel += pEvent->m_y; - } - - return 0; -} - -int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; - if (e->m_Pressed == 1) - io.KeysDown[e->m_Key] = true; - if (e->m_Pressed == 0) - io.KeysDown[e->m_Key] = false; - - io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; - io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; - io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; - io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; - - return 0; -} - -int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; - if ((e->m_Char > 0 && e->m_Char < 0x10000)) - io.AddInputCharacter((unsigned short)e->m_Char); - - return 0; -} - -bool ImGui_Marmalade_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO& io = ImGui::GetIO(); - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Upload texture to graphics system - g_FontTexture = new CIwTexture(); - g_FontTexture->SetModifiable(true); - CIwImage& image = g_FontTexture->GetImage(); - image.SetFormat(CIwImage::ARGB_8888); - image.SetWidth(width); - image.SetHeight(height); - image.SetBuffers(); // allocates and own buffers - image.ReadTexels(pixels); - g_FontTexture->SetMipMapping(false); - g_FontTexture->SetFiltering(false); - g_FontTexture->Upload(); - - // Store our identifier - io.Fonts->TexID = (void *)g_FontTexture; - - return true; -} - -void ImGui_Marmalade_InvalidateDeviceObjects() -{ - if (g_ClipboardText) - { - delete[] g_ClipboardText; - g_ClipboardText = NULL; - } - - if (g_FontTexture) - { - delete g_FontTexture; - ImGui::GetIO().Fonts->TexID = 0; - g_FontTexture = NULL; - } -} - -bool ImGui_Marmalade_Init(bool install_callbacks) -{ - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; - io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; - io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; - io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; - io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; - io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; - io.KeyMap[ImGuiKey_Home] = s3eKeyHome; - io.KeyMap[ImGuiKey_End] = s3eKeyEnd; - io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; - io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; - io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; - io.KeyMap[ImGuiKey_Space] = s3eKeySpace; - io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; - io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; - io.KeyMap[ImGuiKey_A] = s3eKeyA; - io.KeyMap[ImGuiKey_C] = s3eKeyC; - io.KeyMap[ImGuiKey_V] = s3eKeyV; - io.KeyMap[ImGuiKey_X] = s3eKeyX; - io.KeyMap[ImGuiKey_Y] = s3eKeyY; - io.KeyMap[ImGuiKey_Z] = s3eKeyZ; - - io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; - io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; - - if (install_callbacks) - { - s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); - } - - return true; -} - -void ImGui_Marmalade_Shutdown() -{ - ImGui_Marmalade_InvalidateDeviceObjects(); -} - -void ImGui_Marmalade_NewFrame() -{ - if (!g_FontTexture) - ImGui_Marmalade_CreateDeviceObjects(); - - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); - io.DisplaySize = ImVec2((float)w, (float)h); - // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. - io.DisplayFramebufferScale = g_scale; - - // Setup time step - double current_time = s3eTimerGetUST() / 1000.0f; - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - double mouse_x, mouse_y; - mouse_x = s3ePointerGetX(); - mouse_y = s3ePointerGetY(); - io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MousePressed[i] = false; - } - - // TODO: Hide OS mouse cursor if ImGui is drawing it - // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); - - // Show/hide OSD keyboard - if (io.WantTextInput) - { - // Some text input widget is active? - if (!g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = true; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard - } - } - else - { - // No text input widget is active - if (g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = false; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard - } - } -} diff --git a/examples/marmalade_example/imgui_impl_marmalade.h b/examples/marmalade_example/imgui_impl_marmalade.h deleted file mode 100644 index c41a5e8..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.h +++ /dev/null @@ -1,27 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); -IMGUI_API void ImGui_Marmalade_Shutdown(); -IMGUI_API void ImGui_Marmalade_NewFrame(); -IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); - -// callbacks (installed by default if you enable 'install_callbacks' during initialization) -// You can also handle inputs yourself and use those as a reference. -IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); -IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); -IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/imgui_impl_marmalade.h b/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..c41a5e8 --- /dev/null +++ b/examples/imgui_impl_marmalade.h @@ -0,0 +1,27 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_API void ImGui_Marmalade_Shutdown(); +IMGUI_API void ImGui_Marmalade_NewFrame(); +IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); +IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); +IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/imgui_impl_marmalade.cpp b/examples/marmalade_example/imgui_impl_marmalade.cpp deleted file mode 100644 index 947bcbd..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.cpp +++ /dev/null @@ -1,314 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include "imgui.h" -#include "imgui_impl_marmalade.h" - -#include -#include -#include -#include -#include - -// Data -static double g_Time = 0.0f; -static bool g_MousePressed[3] = { false, false, false }; -static CIwTexture* g_FontTexture = NULL; -static char* g_ClipboardText = NULL; -static bool g_osdKeyboardEnabled = false; - -// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor -static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) -{ - // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) - ImGuiIO& io = ImGui::GetIO(); - draw_data->ScaleClipRects(io.DisplayFramebufferScale); - - // Render command lists - for(int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; - const int nVert = cmd_list->VtxBuffer.Size; - CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); - - for( int i=0; i < nVert; i++ ) - { - // TODO: optimize multiplication on gpu using vertex shader/projection matrix. - pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; - pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; - pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; - pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; - pColStream[i] = cmd_list->VtxBuffer[i].col; - } - - IwGxSetVertStreamScreenSpace(pVertStream, nVert); - IwGxSetUVStream(pUVStream); - IwGxSetColStream(pColStream, nVert); - IwGxSetNormStream(0); - - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); - pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); - pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); - pCurrentMaterial->SetFiltering(false); - pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); - pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); - pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); - pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); - IwGxSetMaterial(pCurrentMaterial); - IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); - } - idx_buffer += pcmd->ElemCount; - } - IwGxFlush(); - } - - // TODO: restore modified state (i.e. mvp matrix) -} - -static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) -{ - if (!s3eClipboardAvailable()) - return NULL; - - if (int size = s3eClipboardGetText(NULL, 0)) - { - if (g_ClipboardText) - delete[] g_ClipboardText; - g_ClipboardText = new char[size]; - g_ClipboardText[0] = '\0'; - s3eClipboardGetText(g_ClipboardText, size); - } - - return g_ClipboardText; -} - -static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) -{ - if (s3eClipboardAvailable()) - s3eClipboardSetText(text); -} - -int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) -{ - // pEvent->m_Button is of type s3ePointerButton and indicates which mouse - // button was pressed. For touchscreen this should always have the value - // S3E_POINTER_BUTTON_SELECT - s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; - - if (pEvent->m_Pressed == 1) - { - if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) - g_MousePressed[0] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) - g_MousePressed[1] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) - g_MousePressed[2] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) - io.MouseWheel += pEvent->m_y; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) - io.MouseWheel += pEvent->m_y; - } - - return 0; -} - -int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; - if (e->m_Pressed == 1) - io.KeysDown[e->m_Key] = true; - if (e->m_Pressed == 0) - io.KeysDown[e->m_Key] = false; - - io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; - io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; - io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; - io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; - - return 0; -} - -int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; - if ((e->m_Char > 0 && e->m_Char < 0x10000)) - io.AddInputCharacter((unsigned short)e->m_Char); - - return 0; -} - -bool ImGui_Marmalade_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO& io = ImGui::GetIO(); - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Upload texture to graphics system - g_FontTexture = new CIwTexture(); - g_FontTexture->SetModifiable(true); - CIwImage& image = g_FontTexture->GetImage(); - image.SetFormat(CIwImage::ARGB_8888); - image.SetWidth(width); - image.SetHeight(height); - image.SetBuffers(); // allocates and own buffers - image.ReadTexels(pixels); - g_FontTexture->SetMipMapping(false); - g_FontTexture->SetFiltering(false); - g_FontTexture->Upload(); - - // Store our identifier - io.Fonts->TexID = (void *)g_FontTexture; - - return true; -} - -void ImGui_Marmalade_InvalidateDeviceObjects() -{ - if (g_ClipboardText) - { - delete[] g_ClipboardText; - g_ClipboardText = NULL; - } - - if (g_FontTexture) - { - delete g_FontTexture; - ImGui::GetIO().Fonts->TexID = 0; - g_FontTexture = NULL; - } -} - -bool ImGui_Marmalade_Init(bool install_callbacks) -{ - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; - io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; - io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; - io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; - io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; - io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; - io.KeyMap[ImGuiKey_Home] = s3eKeyHome; - io.KeyMap[ImGuiKey_End] = s3eKeyEnd; - io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; - io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; - io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; - io.KeyMap[ImGuiKey_Space] = s3eKeySpace; - io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; - io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; - io.KeyMap[ImGuiKey_A] = s3eKeyA; - io.KeyMap[ImGuiKey_C] = s3eKeyC; - io.KeyMap[ImGuiKey_V] = s3eKeyV; - io.KeyMap[ImGuiKey_X] = s3eKeyX; - io.KeyMap[ImGuiKey_Y] = s3eKeyY; - io.KeyMap[ImGuiKey_Z] = s3eKeyZ; - - io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; - io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; - - if (install_callbacks) - { - s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); - } - - return true; -} - -void ImGui_Marmalade_Shutdown() -{ - ImGui_Marmalade_InvalidateDeviceObjects(); -} - -void ImGui_Marmalade_NewFrame() -{ - if (!g_FontTexture) - ImGui_Marmalade_CreateDeviceObjects(); - - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); - io.DisplaySize = ImVec2((float)w, (float)h); - // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. - io.DisplayFramebufferScale = g_scale; - - // Setup time step - double current_time = s3eTimerGetUST() / 1000.0f; - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - double mouse_x, mouse_y; - mouse_x = s3ePointerGetX(); - mouse_y = s3ePointerGetY(); - io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MousePressed[i] = false; - } - - // TODO: Hide OS mouse cursor if ImGui is drawing it - // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); - - // Show/hide OSD keyboard - if (io.WantTextInput) - { - // Some text input widget is active? - if (!g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = true; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard - } - } - else - { - // No text input widget is active - if (g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = false; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard - } - } -} diff --git a/examples/marmalade_example/imgui_impl_marmalade.h b/examples/marmalade_example/imgui_impl_marmalade.h deleted file mode 100644 index c41a5e8..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.h +++ /dev/null @@ -1,27 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); -IMGUI_API void ImGui_Marmalade_Shutdown(); -IMGUI_API void ImGui_Marmalade_NewFrame(); -IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); - -// callbacks (installed by default if you enable 'install_callbacks' during initialization) -// You can also handle inputs yourself and use those as a reference. -IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); -IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); -IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/main.cpp b/examples/marmalade_example/main.cpp index f2ddae4..08f8b1d 100644 --- a/examples/marmalade_example/main.cpp +++ b/examples/marmalade_example/main.cpp @@ -5,7 +5,7 @@ // This file is part of ImGui #include "imgui.h" -#include "imgui_impl_marmalade.h" +#include "../imgui_impl_marmalade.h" #include #include diff --git a/examples/allegro5_example/imgui_impl_a5.cpp b/examples/allegro5_example/imgui_impl_a5.cpp deleted file mode 100644 index 127bf19..0000000 --- a/examples/allegro5_example/imgui_impl_a5.cpp +++ /dev/null @@ -1,305 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplA5_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include // uint64_t -#include // memcpy -#include "imgui.h" -#include "imgui_impl_a5.h" -#include -#include - -#ifdef _WIN32 -#include -#endif - -// Data -static ALLEGRO_DISPLAY* g_Display = NULL; -static ALLEGRO_BITMAP* g_Texture = NULL; -static double g_Time = 0.0; -static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; -static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; - -struct ImDrawVertAllegro -{ - ImVec2 pos; - ImVec2 uv; - ALLEGRO_COLOR col; -}; - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data) -{ - int op, src, dst; - al_get_blender(&op, &src, &dst); - al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); - - for (int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - - // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats - static ImVector vertices; - vertices.resize(cmd_list->VtxBuffer.Size); - for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) - { - const ImDrawVert &dv = cmd_list->VtxBuffer[i]; - ImDrawVertAllegro v; - v.pos = dv.pos; - v.uv = dv.uv; - unsigned char *c = (unsigned char*)&dv.col; - v.col = al_map_rgba(c[0], c[1], c[2], c[3]); - vertices[i] = v; - } - - // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices - // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices - static ImVector indices; - indices.resize(cmd_list->IdxBuffer.Size); - for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) - indices[i] = (int)cmd_list->IdxBuffer.Data[i]; - - int idx_offset = 0; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; - al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); - al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); - } - idx_offset += pcmd->ElemCount; - } - } - - // Restore modified state - al_set_blender(op, src, dst); - al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); -} - -bool Imgui_ImplA5_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO &io = ImGui::GetIO(); - unsigned char *pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Create texture - int flags = al_get_new_bitmap_flags(); - int fmt = al_get_new_bitmap_format(); - al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); - al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); - ALLEGRO_BITMAP* img = al_create_bitmap(width, height); - al_set_new_bitmap_flags(flags); - al_set_new_bitmap_format(fmt); - if (!img) - return false; - - ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); - if (!locked_img) - { - al_destroy_bitmap(img); - return false; - } - memcpy(locked_img->data, pixels, sizeof(int)*width*height); - al_unlock_bitmap(img); - - // Convert software texture to hardware texture. - ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); - al_destroy_bitmap(img); - if (!cloned_img) - return false; - - // Store our identifier - io.Fonts->TexID = (void*)cloned_img; - g_Texture = cloned_img; - - // Create an invisible mouse cursor - // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. - ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); - g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); - al_destroy_bitmap(mouse_cursor); - - return true; -} - -void ImGui_ImplA5_InvalidateDeviceObjects() -{ - if (g_Texture) - { - al_destroy_bitmap(g_Texture); - ImGui::GetIO().Fonts->TexID = NULL; - g_Texture = NULL; - } - if (g_MouseCursorInvisible) - { - al_destroy_mouse_cursor(g_MouseCursorInvisible); - g_MouseCursorInvisible = NULL; - } -} - -bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display) -{ - g_Display = display; - - // Create custom vertex declaration. - // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. - // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. - ALLEGRO_VERTEX_ELEMENT elems[] = - { - { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, - { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, - { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, - { 0, 0, 0 } - }; - g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); - - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; - io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; - io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; - io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; - io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; - io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; - io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; - io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; - io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; - io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; - io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; - io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; - io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; - io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; - io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; - io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; - io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; - io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; - io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; - io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; - io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; - -#ifdef _WIN32 - io.ImeWindowHandle = al_get_win_window_handle(g_Display); -#endif - - return true; -} - -void ImGui_ImplA5_Shutdown() -{ - ImGui_ImplA5_InvalidateDeviceObjects(); -} - -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT *ev) -{ - ImGuiIO &io = ImGui::GetIO(); - - switch (ev->type) - { - case ALLEGRO_EVENT_MOUSE_AXES: - io.MouseWheel += ev->mouse.dz; - io.MouseWheelH += ev->mouse.dw; - return true; - case ALLEGRO_EVENT_KEY_CHAR: - if (ev->keyboard.display == g_Display) - if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) - io.AddInputCharacter((unsigned short)ev->keyboard.unichar); - return true; - case ALLEGRO_EVENT_KEY_DOWN: - case ALLEGRO_EVENT_KEY_UP: - if (ev->keyboard.display == g_Display) - io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); - return true; - } - return false; -} - -void ImGui_ImplA5_NewFrame() -{ - if (!g_Texture) - Imgui_ImplA5_CreateDeviceObjects(); - - ImGuiIO &io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w, h; - w = al_get_display_width(g_Display); - h = al_get_display_height(g_Display); - io.DisplaySize = ImVec2((float)w, (float)h); - - // Setup time step - double current_time = al_get_time(); - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - // Setup inputs - ALLEGRO_KEYBOARD_STATE keys; - al_get_keyboard_state(&keys); - io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); - io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); - io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); - io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); - - ALLEGRO_MOUSE_STATE mouse; - if (keys.display == g_Display) - { - al_get_mouse_state(&mouse); - io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); - } - else - { - io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); - } - - al_get_mouse_state(&mouse); - io.MouseDown[0] = mouse.buttons & (1 << 0); - io.MouseDown[1] = mouse.buttons & (1 << 1); - io.MouseDown[2] = mouse.buttons & (1 << 2); - - // Hide OS mouse cursor if ImGui is drawing it - if (io.MouseDrawCursor) - { - al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); - } - else - { - ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; - switch (ImGui::GetMouseCursor()) - { - case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; - case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; - case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; - case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; - case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; - case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; - } - al_set_system_mouse_cursor(g_Display, cursor_id); - } - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); -} diff --git a/examples/allegro5_example/imgui_impl_a5.h b/examples/allegro5_example/imgui_impl_a5.h deleted file mode 100644 index ccc3ac4..0000000 --- a/examples/allegro5_example/imgui_impl_a5.h +++ /dev/null @@ -1,26 +0,0 @@ -// ImGui Allegro 5 bindings - -// Implemented features: -// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. -// Missing features: -// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui, Original code by @birthggd - -#pragma once - -struct ALLEGRO_DISPLAY; -union ALLEGRO_EVENT; - -IMGUI_API bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display); -IMGUI_API void ImGui_ImplA5_Shutdown(); -IMGUI_API void ImGui_ImplA5_NewFrame(); -IMGUI_API void ImGui_ImplA5_RenderDrawData(ImDrawData* draw_data); -IMGUI_API bool ImGui_ImplA5_ProcessEvent(ALLEGRO_EVENT* event); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API bool Imgui_ImplA5_CreateDeviceObjects(); -IMGUI_API void ImGui_ImplA5_InvalidateDeviceObjects(); diff --git a/examples/allegro5_example/main.cpp b/examples/allegro5_example/main.cpp index 1478573..4a53461 100644 --- a/examples/allegro5_example/main.cpp +++ b/examples/allegro5_example/main.cpp @@ -5,7 +5,7 @@ #include #include #include "imgui.h" -#include "imgui_impl_a5.h" +#include "../imgui_impl_allegro5.h" int main(int, char**) { @@ -25,7 +25,7 @@ // Setup ImGui binding ImGui::CreateContext(); ImGuiIO& io = ImGui::GetIO(); (void)io; - ImGui_ImplA5_Init(display); + ImGui_ImplAllegro5_Init(display); //io.NavFlags |= ImGuiNavFlags_EnableKeyboard; // Enable Keyboard Controls // Setup style @@ -62,17 +62,17 @@ ALLEGRO_EVENT ev; while (al_get_next_event(queue, &ev)) { - ImGui_ImplA5_ProcessEvent(&ev); + ImGui_ImplAllegro5_ProcessEvent(&ev); if (ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE) running = false; if (ev.type == ALLEGRO_EVENT_DISPLAY_RESIZE) { - ImGui_ImplA5_InvalidateDeviceObjects(); + ImGui_ImplAllegro5_InvalidateDeviceObjects(); al_acknowledge_resize(display); - Imgui_ImplA5_CreateDeviceObjects(); + ImGui_ImplAllegro5_CreateDeviceObjects(); } } - ImGui_ImplA5_NewFrame(); + ImGui_ImplAllegro5_NewFrame(); // 1. Show a simple window. // Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug". @@ -114,12 +114,12 @@ // Rendering al_clear_to_color(al_map_rgba_f(clear_color.x, clear_color.y, clear_color.z, clear_color.w)); ImGui::Render(); - ImGui_ImplA5_RenderDrawData(ImGui::GetDrawData()); + ImGui_ImplAllegro5_RenderDrawData(ImGui::GetDrawData()); al_flip_display(); } // Cleanup - ImGui_ImplA5_Shutdown(); + ImGui_ImplAllegro5_Shutdown(); ImGui::DestroyContext(); al_destroy_event_queue(queue); al_destroy_display(display); diff --git a/examples/imgui_impl_allegro5.cpp b/examples/imgui_impl_allegro5.cpp new file mode 100644 index 0000000..228ae0c --- /dev/null +++ b/examples/imgui_impl_allegro5.cpp @@ -0,0 +1,305 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_ImplAllegro5_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include // uint64_t +#include // memcpy +#include "imgui.h" +#include "imgui_impl_allegro5.h" +#include +#include + +#ifdef _WIN32 +#include +#endif + +// Data +static ALLEGRO_DISPLAY* g_Display = NULL; +static ALLEGRO_BITMAP* g_Texture = NULL; +static double g_Time = 0.0; +static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL; +static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL; + +struct ImDrawVertAllegro +{ + ImVec2 pos; + ImVec2 uv; + ALLEGRO_COLOR col; +}; + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data) +{ + int op, src, dst; + al_get_blender(&op, &src, &dst); + al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA); + + for (int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + + // FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats + static ImVector vertices; + vertices.resize(cmd_list->VtxBuffer.Size); + for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i) + { + const ImDrawVert &dv = cmd_list->VtxBuffer[i]; + ImDrawVertAllegro v; + v.pos = dv.pos; + v.uv = dv.uv; + unsigned char *c = (unsigned char*)&dv.col; + v.col = al_map_rgba(c[0], c[1], c[2], c[3]); + vertices[i] = v; + } + + // FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices + // You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices + static ImVector indices; + indices.resize(cmd_list->IdxBuffer.Size); + for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i) + indices[i] = (int)cmd_list->IdxBuffer.Data[i]; + + int idx_offset = 0; + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId; + al_set_clipping_rectangle(pcmd->ClipRect.x, pcmd->ClipRect.y, pcmd->ClipRect.z-pcmd->ClipRect.x, pcmd->ClipRect.w-pcmd->ClipRect.y); + al_draw_indexed_prim(&vertices[0], g_VertexDecl, texture, &indices[idx_offset], pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST); + } + idx_offset += pcmd->ElemCount; + } + } + + // Restore modified state + al_set_blender(op, src, dst); + al_set_clipping_rectangle(0, 0, al_get_display_width(g_Display), al_get_display_height(g_Display)); +} + +bool ImGui_ImplAllegro5_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO &io = ImGui::GetIO(); + unsigned char *pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Create texture + int flags = al_get_new_bitmap_flags(); + int fmt = al_get_new_bitmap_format(); + al_set_new_bitmap_flags(ALLEGRO_MEMORY_BITMAP|ALLEGRO_MIN_LINEAR|ALLEGRO_MAG_LINEAR); + al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE); + ALLEGRO_BITMAP* img = al_create_bitmap(width, height); + al_set_new_bitmap_flags(flags); + al_set_new_bitmap_format(fmt); + if (!img) + return false; + + ALLEGRO_LOCKED_REGION *locked_img = al_lock_bitmap(img, al_get_bitmap_format(img), ALLEGRO_LOCK_WRITEONLY); + if (!locked_img) + { + al_destroy_bitmap(img); + return false; + } + memcpy(locked_img->data, pixels, sizeof(int)*width*height); + al_unlock_bitmap(img); + + // Convert software texture to hardware texture. + ALLEGRO_BITMAP* cloned_img = al_clone_bitmap(img); + al_destroy_bitmap(img); + if (!cloned_img) + return false; + + // Store our identifier + io.Fonts->TexID = (void*)cloned_img; + g_Texture = cloned_img; + + // Create an invisible mouse cursor + // Because al_hide_mouse_cursor() seems to mess up with the actual inputs.. + ALLEGRO_BITMAP* mouse_cursor = al_create_bitmap(8,8); + g_MouseCursorInvisible = al_create_mouse_cursor(mouse_cursor, 0, 0); + al_destroy_bitmap(mouse_cursor); + + return true; +} + +void ImGui_ImplAllegro5_InvalidateDeviceObjects() +{ + if (g_Texture) + { + al_destroy_bitmap(g_Texture); + ImGui::GetIO().Fonts->TexID = NULL; + g_Texture = NULL; + } + if (g_MouseCursorInvisible) + { + al_destroy_mouse_cursor(g_MouseCursorInvisible); + g_MouseCursorInvisible = NULL; + } +} + +bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display) +{ + g_Display = display; + + // Create custom vertex declaration. + // Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats. + // We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion. + ALLEGRO_VERTEX_ELEMENT elems[] = + { + { ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) }, + { ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) }, + { ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) }, + { 0, 0, 0 } + }; + g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro)); + + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = ALLEGRO_KEY_TAB; + io.KeyMap[ImGuiKey_LeftArrow] = ALLEGRO_KEY_LEFT; + io.KeyMap[ImGuiKey_RightArrow] = ALLEGRO_KEY_RIGHT; + io.KeyMap[ImGuiKey_UpArrow] = ALLEGRO_KEY_UP; + io.KeyMap[ImGuiKey_DownArrow] = ALLEGRO_KEY_DOWN; + io.KeyMap[ImGuiKey_PageUp] = ALLEGRO_KEY_PGUP; + io.KeyMap[ImGuiKey_PageDown] = ALLEGRO_KEY_PGDN; + io.KeyMap[ImGuiKey_Home] = ALLEGRO_KEY_HOME; + io.KeyMap[ImGuiKey_End] = ALLEGRO_KEY_END; + io.KeyMap[ImGuiKey_Insert] = ALLEGRO_KEY_INSERT; + io.KeyMap[ImGuiKey_Delete] = ALLEGRO_KEY_DELETE; + io.KeyMap[ImGuiKey_Backspace] = ALLEGRO_KEY_BACKSPACE; + io.KeyMap[ImGuiKey_Space] = ALLEGRO_KEY_SPACE; + io.KeyMap[ImGuiKey_Enter] = ALLEGRO_KEY_ENTER; + io.KeyMap[ImGuiKey_Escape] = ALLEGRO_KEY_ESCAPE; + io.KeyMap[ImGuiKey_A] = ALLEGRO_KEY_A; + io.KeyMap[ImGuiKey_C] = ALLEGRO_KEY_C; + io.KeyMap[ImGuiKey_V] = ALLEGRO_KEY_V; + io.KeyMap[ImGuiKey_X] = ALLEGRO_KEY_X; + io.KeyMap[ImGuiKey_Y] = ALLEGRO_KEY_Y; + io.KeyMap[ImGuiKey_Z] = ALLEGRO_KEY_Z; + +#ifdef _WIN32 + io.ImeWindowHandle = al_get_win_window_handle(g_Display); +#endif + + return true; +} + +void ImGui_ImplAllegro5_Shutdown() +{ + ImGui_ImplAllegro5_InvalidateDeviceObjects(); +} + +// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. +// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application. +// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application. +// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. +bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT *ev) +{ + ImGuiIO &io = ImGui::GetIO(); + + switch (ev->type) + { + case ALLEGRO_EVENT_MOUSE_AXES: + io.MouseWheel += ev->mouse.dz; + io.MouseWheelH += ev->mouse.dw; + return true; + case ALLEGRO_EVENT_KEY_CHAR: + if (ev->keyboard.display == g_Display) + if (ev->keyboard.unichar > 0 && ev->keyboard.unichar < 0x10000) + io.AddInputCharacter((unsigned short)ev->keyboard.unichar); + return true; + case ALLEGRO_EVENT_KEY_DOWN: + case ALLEGRO_EVENT_KEY_UP: + if (ev->keyboard.display == g_Display) + io.KeysDown[ev->keyboard.keycode] = (ev->type == ALLEGRO_EVENT_KEY_DOWN); + return true; + } + return false; +} + +void ImGui_ImplAllegro5_NewFrame() +{ + if (!g_Texture) + ImGui_ImplAllegro5_CreateDeviceObjects(); + + ImGuiIO &io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w, h; + w = al_get_display_width(g_Display); + h = al_get_display_height(g_Display); + io.DisplaySize = ImVec2((float)w, (float)h); + + // Setup time step + double current_time = al_get_time(); + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + // Setup inputs + ALLEGRO_KEYBOARD_STATE keys; + al_get_keyboard_state(&keys); + io.KeyCtrl = al_key_down(&keys, ALLEGRO_KEY_LCTRL) || al_key_down(&keys, ALLEGRO_KEY_RCTRL); + io.KeyShift = al_key_down(&keys, ALLEGRO_KEY_LSHIFT) || al_key_down(&keys, ALLEGRO_KEY_RSHIFT); + io.KeyAlt = al_key_down(&keys, ALLEGRO_KEY_ALT) || al_key_down(&keys, ALLEGRO_KEY_ALTGR); + io.KeySuper = al_key_down(&keys, ALLEGRO_KEY_LWIN) || al_key_down(&keys, ALLEGRO_KEY_RWIN); + + ALLEGRO_MOUSE_STATE mouse; + if (keys.display == g_Display) + { + al_get_mouse_state(&mouse); + io.MousePos = ImVec2((float)mouse.x, (float)mouse.y); + } + else + { + io.MousePos = ImVec2(-FLT_MAX, -FLT_MAX); + } + + al_get_mouse_state(&mouse); + io.MouseDown[0] = mouse.buttons & (1 << 0); + io.MouseDown[1] = mouse.buttons & (1 << 1); + io.MouseDown[2] = mouse.buttons & (1 << 2); + + // Hide OS mouse cursor if ImGui is drawing it + if (io.MouseDrawCursor) + { + al_set_mouse_cursor(g_Display, g_MouseCursorInvisible); + } + else + { + ALLEGRO_SYSTEM_MOUSE_CURSOR cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_DEFAULT; + switch (ImGui::GetMouseCursor()) + { + case ImGuiMouseCursor_TextInput: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_EDIT; break; + case ImGuiMouseCursor_ResizeAll: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_MOVE; break; + case ImGuiMouseCursor_ResizeNS: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_N; break; + case ImGuiMouseCursor_ResizeEW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_E; break; + case ImGuiMouseCursor_ResizeNESW: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NE; break; + case ImGuiMouseCursor_ResizeNWSE: cursor_id = ALLEGRO_SYSTEM_MOUSE_CURSOR_RESIZE_NW; break; + } + al_set_system_mouse_cursor(g_Display, cursor_id); + } + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); +} diff --git a/examples/imgui_impl_allegro5.h b/examples/imgui_impl_allegro5.h new file mode 100644 index 0000000..4b75dff --- /dev/null +++ b/examples/imgui_impl_allegro5.h @@ -0,0 +1,26 @@ +// ImGui Allegro 5 bindings + +// Implemented features: +// [X] User texture binding. Use 'ALLEGRO_BITMAP*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. +// Missing features: +// [ ] Clipboard support via al_set_clipboard_text/al_clipboard_has_text. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui, Original code by @birthggd + +#pragma once + +struct ALLEGRO_DISPLAY; +union ALLEGRO_EVENT; + +IMGUI_API bool ImGui_ImplAllegro5_Init(ALLEGRO_DISPLAY* display); +IMGUI_API void ImGui_ImplAllegro5_Shutdown(); +IMGUI_API void ImGui_ImplAllegro5_NewFrame(); +IMGUI_API void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data); +IMGUI_API bool ImGui_ImplAllegro5_ProcessEvent(ALLEGRO_EVENT* event); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API bool ImGui_ImplAllegro5_CreateDeviceObjects(); +IMGUI_API void ImGui_ImplAllegro5_InvalidateDeviceObjects(); diff --git a/examples/imgui_impl_marmalade.cpp b/examples/imgui_impl_marmalade.cpp new file mode 100644 index 0000000..947bcbd --- /dev/null +++ b/examples/imgui_impl_marmalade.cpp @@ -0,0 +1,314 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +// CHANGELOG +// (minor and older changes stripped away, please see git history for details) +// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. +// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. +// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. + +#include "imgui.h" +#include "imgui_impl_marmalade.h" + +#include +#include +#include +#include +#include + +// Data +static double g_Time = 0.0f; +static bool g_MousePressed[3] = { false, false, false }; +static CIwTexture* g_FontTexture = NULL; +static char* g_ClipboardText = NULL; +static bool g_osdKeyboardEnabled = false; + +// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor +static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); + +// Render function. +// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) +void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) +{ + // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) + ImGuiIO& io = ImGui::GetIO(); + draw_data->ScaleClipRects(io.DisplayFramebufferScale); + + // Render command lists + for(int n = 0; n < draw_data->CmdListsCount; n++) + { + const ImDrawList* cmd_list = draw_data->CmdLists[n]; + const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; + const int nVert = cmd_list->VtxBuffer.Size; + CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); + CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); + + for( int i=0; i < nVert; i++ ) + { + // TODO: optimize multiplication on gpu using vertex shader/projection matrix. + pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; + pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; + pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; + pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; + pColStream[i] = cmd_list->VtxBuffer[i].col; + } + + IwGxSetVertStreamScreenSpace(pVertStream, nVert); + IwGxSetUVStream(pUVStream); + IwGxSetColStream(pColStream, nVert); + IwGxSetNormStream(0); + + for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) + { + const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; + if (pcmd->UserCallback) + { + pcmd->UserCallback(cmd_list, pcmd); + } + else + { + CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); + pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); + pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); + pCurrentMaterial->SetFiltering(false); + pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); + pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); + pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); + pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); + IwGxSetMaterial(pCurrentMaterial); + IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); + } + idx_buffer += pcmd->ElemCount; + } + IwGxFlush(); + } + + // TODO: restore modified state (i.e. mvp matrix) +} + +static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) +{ + if (!s3eClipboardAvailable()) + return NULL; + + if (int size = s3eClipboardGetText(NULL, 0)) + { + if (g_ClipboardText) + delete[] g_ClipboardText; + g_ClipboardText = new char[size]; + g_ClipboardText[0] = '\0'; + s3eClipboardGetText(g_ClipboardText, size); + } + + return g_ClipboardText; +} + +static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) +{ + if (s3eClipboardAvailable()) + s3eClipboardSetText(text); +} + +int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) +{ + // pEvent->m_Button is of type s3ePointerButton and indicates which mouse + // button was pressed. For touchscreen this should always have the value + // S3E_POINTER_BUTTON_SELECT + s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; + + if (pEvent->m_Pressed == 1) + { + if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) + g_MousePressed[0] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) + g_MousePressed[1] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) + g_MousePressed[2] = true; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) + io.MouseWheel += pEvent->m_y; + if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) + io.MouseWheel += pEvent->m_y; + } + + return 0; +} + +int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; + if (e->m_Pressed == 1) + io.KeysDown[e->m_Key] = true; + if (e->m_Pressed == 0) + io.KeysDown[e->m_Key] = false; + + io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; + io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; + io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; + io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; + + return 0; +} + +int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) +{ + ImGuiIO& io = ImGui::GetIO(); + s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; + if ((e->m_Char > 0 && e->m_Char < 0x10000)) + io.AddInputCharacter((unsigned short)e->m_Char); + + return 0; +} + +bool ImGui_Marmalade_CreateDeviceObjects() +{ + // Build texture atlas + ImGuiIO& io = ImGui::GetIO(); + unsigned char* pixels; + int width, height; + io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); + + // Upload texture to graphics system + g_FontTexture = new CIwTexture(); + g_FontTexture->SetModifiable(true); + CIwImage& image = g_FontTexture->GetImage(); + image.SetFormat(CIwImage::ARGB_8888); + image.SetWidth(width); + image.SetHeight(height); + image.SetBuffers(); // allocates and own buffers + image.ReadTexels(pixels); + g_FontTexture->SetMipMapping(false); + g_FontTexture->SetFiltering(false); + g_FontTexture->Upload(); + + // Store our identifier + io.Fonts->TexID = (void *)g_FontTexture; + + return true; +} + +void ImGui_Marmalade_InvalidateDeviceObjects() +{ + if (g_ClipboardText) + { + delete[] g_ClipboardText; + g_ClipboardText = NULL; + } + + if (g_FontTexture) + { + delete g_FontTexture; + ImGui::GetIO().Fonts->TexID = 0; + g_FontTexture = NULL; + } +} + +bool ImGui_Marmalade_Init(bool install_callbacks) +{ + ImGuiIO& io = ImGui::GetIO(); + io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. + io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; + io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; + io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; + io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; + io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; + io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; + io.KeyMap[ImGuiKey_Home] = s3eKeyHome; + io.KeyMap[ImGuiKey_End] = s3eKeyEnd; + io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; + io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; + io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; + io.KeyMap[ImGuiKey_Space] = s3eKeySpace; + io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; + io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; + io.KeyMap[ImGuiKey_A] = s3eKeyA; + io.KeyMap[ImGuiKey_C] = s3eKeyC; + io.KeyMap[ImGuiKey_V] = s3eKeyV; + io.KeyMap[ImGuiKey_X] = s3eKeyX; + io.KeyMap[ImGuiKey_Y] = s3eKeyY; + io.KeyMap[ImGuiKey_Z] = s3eKeyZ; + + io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; + io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; + + if (install_callbacks) + { + s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); + s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); + } + + return true; +} + +void ImGui_Marmalade_Shutdown() +{ + ImGui_Marmalade_InvalidateDeviceObjects(); +} + +void ImGui_Marmalade_NewFrame() +{ + if (!g_FontTexture) + ImGui_Marmalade_CreateDeviceObjects(); + + ImGuiIO& io = ImGui::GetIO(); + + // Setup display size (every frame to accommodate for window resizing) + int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); + io.DisplaySize = ImVec2((float)w, (float)h); + // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. + io.DisplayFramebufferScale = g_scale; + + // Setup time step + double current_time = s3eTimerGetUST() / 1000.0f; + io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); + g_Time = current_time; + + double mouse_x, mouse_y; + mouse_x = s3ePointerGetX(); + mouse_y = s3ePointerGetY(); + io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) + + for (int i = 0; i < 3; i++) + { + io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. + g_MousePressed[i] = false; + } + + // TODO: Hide OS mouse cursor if ImGui is drawing it + // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); + + // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. + ImGui::NewFrame(); + + // Show/hide OSD keyboard + if (io.WantTextInput) + { + // Some text input widget is active? + if (!g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = true; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard + } + } + else + { + // No text input widget is active + if (g_osdKeyboardEnabled) + { + g_osdKeyboardEnabled = false; + s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard + } + } +} diff --git a/examples/imgui_impl_marmalade.h b/examples/imgui_impl_marmalade.h new file mode 100644 index 0000000..c41a5e8 --- /dev/null +++ b/examples/imgui_impl_marmalade.h @@ -0,0 +1,27 @@ +// ImGui Marmalade binding with IwGx + +// Implemented features: +// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. + +// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. +// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). +// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. +// https://github.com/ocornut/imgui + +// Copyright (C) 2015 by Giovanni Zito +// This file is part of ImGui + +IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); +IMGUI_API void ImGui_Marmalade_Shutdown(); +IMGUI_API void ImGui_Marmalade_NewFrame(); +IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); + +// Use if you want to reset your rendering device without losing ImGui state. +IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); +IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); + +// callbacks (installed by default if you enable 'install_callbacks' during initialization) +// You can also handle inputs yourself and use those as a reference. +IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); +IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); +IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/imgui_impl_marmalade.cpp b/examples/marmalade_example/imgui_impl_marmalade.cpp deleted file mode 100644 index 947bcbd..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.cpp +++ /dev/null @@ -1,314 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -// CHANGELOG -// (minor and older changes stripped away, please see git history for details) -// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. -// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves. -// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space. - -#include "imgui.h" -#include "imgui_impl_marmalade.h" - -#include -#include -#include -#include -#include - -// Data -static double g_Time = 0.0f; -static bool g_MousePressed[3] = { false, false, false }; -static CIwTexture* g_FontTexture = NULL; -static char* g_ClipboardText = NULL; -static bool g_osdKeyboardEnabled = false; - -// use this setting to scale the interface - e.g. on device you could use 2 or 3 scale factor -static ImVec2 g_RenderScale = ImVec2(1.0f,1.0f); - -// Render function. -// (this used to be set in io.RenderDrawListsFn and called by ImGui::Render(), but you can now call this directly from your main loop) -void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data) -{ - // Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays) - ImGuiIO& io = ImGui::GetIO(); - draw_data->ScaleClipRects(io.DisplayFramebufferScale); - - // Render command lists - for(int n = 0; n < draw_data->CmdListsCount; n++) - { - const ImDrawList* cmd_list = draw_data->CmdLists[n]; - const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data; - const int nVert = cmd_list->VtxBuffer.Size; - CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert); - CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert); - - for( int i=0; i < nVert; i++ ) - { - // TODO: optimize multiplication on gpu using vertex shader/projection matrix. - pVertStream[i].x = cmd_list->VtxBuffer[i].pos.x * g_RenderScale.x; - pVertStream[i].y = cmd_list->VtxBuffer[i].pos.y * g_RenderScale.y; - pUVStream[i].x = cmd_list->VtxBuffer[i].uv.x; - pUVStream[i].y = cmd_list->VtxBuffer[i].uv.y; - pColStream[i] = cmd_list->VtxBuffer[i].col; - } - - IwGxSetVertStreamScreenSpace(pVertStream, nVert); - IwGxSetUVStream(pUVStream); - IwGxSetColStream(pColStream, nVert); - IwGxSetNormStream(0); - - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i]; - if (pcmd->UserCallback) - { - pcmd->UserCallback(cmd_list, pcmd); - } - else - { - CIwMaterial* pCurrentMaterial = IW_GX_ALLOC_MATERIAL(); - pCurrentMaterial->SetShadeMode(CIwMaterial::SHADE_FLAT); - pCurrentMaterial->SetCullMode(CIwMaterial::CULL_NONE); - pCurrentMaterial->SetFiltering(false); - pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND); - pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL); - pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED); - pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId); - IwGxSetMaterial(pCurrentMaterial); - IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount); - } - idx_buffer += pcmd->ElemCount; - } - IwGxFlush(); - } - - // TODO: restore modified state (i.e. mvp matrix) -} - -static const char* ImGui_Marmalade_GetClipboardText(void* /*user_data*/) -{ - if (!s3eClipboardAvailable()) - return NULL; - - if (int size = s3eClipboardGetText(NULL, 0)) - { - if (g_ClipboardText) - delete[] g_ClipboardText; - g_ClipboardText = new char[size]; - g_ClipboardText[0] = '\0'; - s3eClipboardGetText(g_ClipboardText, size); - } - - return g_ClipboardText; -} - -static void ImGui_Marmalade_SetClipboardText(void* /*user_data*/, const char* text) -{ - if (s3eClipboardAvailable()) - s3eClipboardSetText(text); -} - -int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData) -{ - // pEvent->m_Button is of type s3ePointerButton and indicates which mouse - // button was pressed. For touchscreen this should always have the value - // S3E_POINTER_BUTTON_SELECT - s3ePointerEvent* pEvent = (s3ePointerEvent*)SystemData; - - if (pEvent->m_Pressed == 1) - { - if (pEvent->m_Button == S3E_POINTER_BUTTON_LEFTMOUSE) - g_MousePressed[0] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_RIGHTMOUSE) - g_MousePressed[1] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MIDDLEMOUSE) - g_MousePressed[2] = true; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELUP) - io.MouseWheel += pEvent->m_y; - if (pEvent->m_Button == S3E_POINTER_BUTTON_MOUSEWHEELDOWN) - io.MouseWheel += pEvent->m_y; - } - - return 0; -} - -int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardEvent* e = (s3eKeyboardEvent*)SystemData; - if (e->m_Pressed == 1) - io.KeysDown[e->m_Key] = true; - if (e->m_Pressed == 0) - io.KeysDown[e->m_Key] = false; - - io.KeyCtrl = s3eKeyboardGetState(s3eKeyLeftControl) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightControl) == S3E_KEY_STATE_DOWN; - io.KeyShift = s3eKeyboardGetState(s3eKeyLeftShift) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightShift) == S3E_KEY_STATE_DOWN; - io.KeyAlt = s3eKeyboardGetState(s3eKeyLeftAlt) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightAlt) == S3E_KEY_STATE_DOWN; - io.KeySuper = s3eKeyboardGetState(s3eKeyLeftWindows) == S3E_KEY_STATE_DOWN || s3eKeyboardGetState(s3eKeyRightWindows) == S3E_KEY_STATE_DOWN; - - return 0; -} - -int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData) -{ - ImGuiIO& io = ImGui::GetIO(); - s3eKeyboardCharEvent* e = (s3eKeyboardCharEvent*)SystemData; - if ((e->m_Char > 0 && e->m_Char < 0x10000)) - io.AddInputCharacter((unsigned short)e->m_Char); - - return 0; -} - -bool ImGui_Marmalade_CreateDeviceObjects() -{ - // Build texture atlas - ImGuiIO& io = ImGui::GetIO(); - unsigned char* pixels; - int width, height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); - - // Upload texture to graphics system - g_FontTexture = new CIwTexture(); - g_FontTexture->SetModifiable(true); - CIwImage& image = g_FontTexture->GetImage(); - image.SetFormat(CIwImage::ARGB_8888); - image.SetWidth(width); - image.SetHeight(height); - image.SetBuffers(); // allocates and own buffers - image.ReadTexels(pixels); - g_FontTexture->SetMipMapping(false); - g_FontTexture->SetFiltering(false); - g_FontTexture->Upload(); - - // Store our identifier - io.Fonts->TexID = (void *)g_FontTexture; - - return true; -} - -void ImGui_Marmalade_InvalidateDeviceObjects() -{ - if (g_ClipboardText) - { - delete[] g_ClipboardText; - g_ClipboardText = NULL; - } - - if (g_FontTexture) - { - delete g_FontTexture; - ImGui::GetIO().Fonts->TexID = 0; - g_FontTexture = NULL; - } -} - -bool ImGui_Marmalade_Init(bool install_callbacks) -{ - ImGuiIO& io = ImGui::GetIO(); - io.KeyMap[ImGuiKey_Tab] = s3eKeyTab; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. - io.KeyMap[ImGuiKey_LeftArrow] = s3eKeyLeft; - io.KeyMap[ImGuiKey_RightArrow] = s3eKeyRight; - io.KeyMap[ImGuiKey_UpArrow] = s3eKeyUp; - io.KeyMap[ImGuiKey_DownArrow] = s3eKeyDown; - io.KeyMap[ImGuiKey_PageUp] = s3eKeyPageUp; - io.KeyMap[ImGuiKey_PageDown] = s3eKeyPageDown; - io.KeyMap[ImGuiKey_Home] = s3eKeyHome; - io.KeyMap[ImGuiKey_End] = s3eKeyEnd; - io.KeyMap[ImGuiKey_Insert] = s3eKeyInsert; - io.KeyMap[ImGuiKey_Delete] = s3eKeyDelete; - io.KeyMap[ImGuiKey_Backspace] = s3eKeyBackspace; - io.KeyMap[ImGuiKey_Space] = s3eKeySpace; - io.KeyMap[ImGuiKey_Enter] = s3eKeyEnter; - io.KeyMap[ImGuiKey_Escape] = s3eKeyEsc; - io.KeyMap[ImGuiKey_A] = s3eKeyA; - io.KeyMap[ImGuiKey_C] = s3eKeyC; - io.KeyMap[ImGuiKey_V] = s3eKeyV; - io.KeyMap[ImGuiKey_X] = s3eKeyX; - io.KeyMap[ImGuiKey_Y] = s3eKeyY; - io.KeyMap[ImGuiKey_Z] = s3eKeyZ; - - io.SetClipboardTextFn = ImGui_Marmalade_SetClipboardText; - io.GetClipboardTextFn = ImGui_Marmalade_GetClipboardText; - - if (install_callbacks) - { - s3ePointerRegister(S3E_POINTER_BUTTON_EVENT, ImGui_Marmalade_PointerButtonEventCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_KEY_EVENT, ImGui_Marmalade_KeyCallback, 0); - s3eKeyboardRegister(S3E_KEYBOARD_CHAR_EVENT, ImGui_Marmalade_CharCallback, 0); - } - - return true; -} - -void ImGui_Marmalade_Shutdown() -{ - ImGui_Marmalade_InvalidateDeviceObjects(); -} - -void ImGui_Marmalade_NewFrame() -{ - if (!g_FontTexture) - ImGui_Marmalade_CreateDeviceObjects(); - - ImGuiIO& io = ImGui::GetIO(); - - // Setup display size (every frame to accommodate for window resizing) - int w = IwGxGetScreenWidth(), h = IwGxGetScreenHeight(); - io.DisplaySize = ImVec2((float)w, (float)h); - // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. - io.DisplayFramebufferScale = g_scale; - - // Setup time step - double current_time = s3eTimerGetUST() / 1000.0f; - io.DeltaTime = g_Time > 0.0 ? (float)(current_time - g_Time) : (float)(1.0f/60.0f); - g_Time = current_time; - - double mouse_x, mouse_y; - mouse_x = s3ePointerGetX(); - mouse_y = s3ePointerGetY(); - io.MousePos = ImVec2((float)mouse_x/g_scale.x, (float)mouse_y/g_scale.y); // Mouse position (set to -FLT_MAX,-FLT_MAX if no mouse / on another screen, etc.) - - for (int i = 0; i < 3; i++) - { - io.MouseDown[i] = g_MousePressed[i] || s3ePointerGetState((s3ePointerButton)i) != S3E_POINTER_STATE_UP; // If a mouse press event came, always pass it as "mouse held this frame", so we don't miss click-release events that are shorter than 1 frame. - g_MousePressed[i] = false; - } - - // TODO: Hide OS mouse cursor if ImGui is drawing it - // s3ePointerSetInt(S3E_POINTER_HIDE_CURSOR,(io.MouseDrawCursor ? 0 : 1)); - - // Start the frame. This call will update the io.WantCaptureMouse, io.WantCaptureKeyboard flag that you can use to dispatch inputs (or not) to your application. - ImGui::NewFrame(); - - // Show/hide OSD keyboard - if (io.WantTextInput) - { - // Some text input widget is active? - if (!g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = true; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 1); // show OSD keyboard - } - } - else - { - // No text input widget is active - if (g_osdKeyboardEnabled) - { - g_osdKeyboardEnabled = false; - s3eKeyboardSetInt(S3E_KEYBOARD_GET_CHAR, 0); // hide OSD keyboard - } - } -} diff --git a/examples/marmalade_example/imgui_impl_marmalade.h b/examples/marmalade_example/imgui_impl_marmalade.h deleted file mode 100644 index c41a5e8..0000000 --- a/examples/marmalade_example/imgui_impl_marmalade.h +++ /dev/null @@ -1,27 +0,0 @@ -// ImGui Marmalade binding with IwGx - -// Implemented features: -// [X] User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. - -// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. -// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). -// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. -// https://github.com/ocornut/imgui - -// Copyright (C) 2015 by Giovanni Zito -// This file is part of ImGui - -IMGUI_API bool ImGui_Marmalade_Init(bool install_callbacks); -IMGUI_API void ImGui_Marmalade_Shutdown(); -IMGUI_API void ImGui_Marmalade_NewFrame(); -IMGUI_API void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data); - -// Use if you want to reset your rendering device without losing ImGui state. -IMGUI_API void ImGui_Marmalade_InvalidateDeviceObjects(); -IMGUI_API bool ImGui_Marmalade_CreateDeviceObjects(); - -// callbacks (installed by default if you enable 'install_callbacks' during initialization) -// You can also handle inputs yourself and use those as a reference. -IMGUI_API int32 ImGui_Marmalade_PointerButtonEventCallback(void* SystemData, void* pUserData); -IMGUI_API int32 ImGui_Marmalade_KeyCallback(void* SystemData, void* userData); -IMGUI_API int32 ImGui_Marmalade_CharCallback(void* SystemData, void* userData); diff --git a/examples/marmalade_example/main.cpp b/examples/marmalade_example/main.cpp index f2ddae4..08f8b1d 100644 --- a/examples/marmalade_example/main.cpp +++ b/examples/marmalade_example/main.cpp @@ -5,7 +5,7 @@ // This file is part of ImGui #include "imgui.h" -#include "imgui_impl_marmalade.h" +#include "../imgui_impl_marmalade.h" #include #include diff --git a/examples/marmalade_example/marmalade_example.mkb b/examples/marmalade_example/marmalade_example.mkb index 9f8ea44..11b0392 100644 --- a/examples/marmalade_example/marmalade_example.mkb +++ b/examples/marmalade_example/marmalade_example.mkb @@ -34,11 +34,11 @@ ../../imgui_draw.cpp ../../imconfig.h ../../imgui.h - ../../imgui_internal.h + ../../imgui_internal.h ["imgui","Marmalade binding"] - imgui_impl_marmalade.h - imgui_impl_marmalade.cpp + ../imgui_impl_marmalade.h + ../imgui_impl_marmalade.cpp main.cpp }