Fixed auto-resize allocating too much space for scrollbar when SizeContents is bigger than maximum window size (fixes c0547d3) (#1417)

Begin: Simplified code and fixed a bug where appending into a window a second time (from a remote window) would incorrectly overwrite RootWindow with the current window in the stack. Our docking code uses this pattern.

RenderTriangle() minor tweak to align Left/Right and Up/Down arrow extents visually

IsWindowHovered() returns true when moving window (#1382, #1404)

IsWindowHovered(): Added ImGuiHoveredFlags_FlattenChilds flag. Made IsRootWindowOrAnyChildHovered() obsolete in favor of IsWindowHovered( ImGuiHoveredFlags_FlattenChilds) (#1382, #1404)

IsWindowHovered() Fix behavior when an item is active to use the same logic as IsItemHovered() (#1382, #1404)

Minor tweaks to the user guide.

Merge pull request #1402 from elect86/patch-1 ...

Minor fix typo

Added assertions and comments for incorrect use/understanding of IsWindowFocused() etc. functions

Update imgui.cpp

Maintaining ActiveIdTimer and HoveredIdTimer (the later is useful for drag and drop, both will be of course for creators of custom widgets)

ColorTooltip: Resize ColorButton to align better with text, now that ColorButton provides a text baseline (0260fdd)

Styles: Moved Classic colors code to imgui_draw.cpp. Sneakily added a StyleColorsDark() function.

Version 1.53 WIP

IO: Tracking extra mouse dragging data which is convenient for implementating various manual drag and drop patterns.

Version 1.52

Begin: Fix for unused "Debug" (fix for 3b83cd2 )

Begin: Moved some code inside of the big if (first_begin_of_the_frame) scope

NewFrame: Allow MovedWindow setting the ImGuiWindowFlags_NoInputs after moving has started in order to be able to detect windows below it, which is useful for e.g. docking mechanisms.

NewFrame: Removed unnecessary call to FindHoveredWindow() and simplified code (went through this multiple times, hopefully haven't broken anything)

Internal: BeginTooltipEx() in imgui_internal.h

Merged a bit of code from Navigation branch to ease further merging (InnerRect is currently not required in the Master branch)

Minor renaming.

Comments about mouse setup and clearing HoveredWindow when mouse down isn't owned by imgui (will affect some future hovered test and drag'n drop patterns) (#143, #1382, #1392)

Added most basic form of Disabled flag to disable interactions (but visuals aren't altered), in imgui_internals.h, undocumented/unsupported (#211, #1012)

Removed direct dependency on sprintf() in imgui.cpp (#1038) ...

(NB: imgui_demo stills uses it)

ImFormatString, ImFormatStringV(): clarifying specs so that passing a NULL buffer should return the desired length. (#1038)

Renamed IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCS to IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS/IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS for consistency. (ref #238, #520, #738)

Added IMGUI_DISABLE_FORMAT_STRING_FUNCTIONS support in imconfig.h (#1038)

Add missing CloseClipboard call