Comments, debug code (commented), todo list

TODO.txt

@@ -169,7 +169,7 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
  - tree node: tweak color scheme to distinguish headers from selected tree node (#581)
 
 !- settings: expose enough to save/load .ini from RAM instead of fopen
- - settings: write more decent code to allow saving/loading new fields
+ - settings: write more decent code to allow saving/loading new fields: columns, selected tree nodes?
  - settings: api for per-tool simple persistent data (bool,int,float,columns sizes,etc.) in .ini file (#437)
  - stb: add defines to disable stb implementations
 
@@ -231,7 +231,8 @@ It's mostly a bunch of personal notes, probably incomplete. Feel free to query i
  - misc: fix for compilation settings where stdcall isn't the default (e.g. vectorcall) (#1230)
  - remote: make a system like RemoteImGui first-class citizen/project (#75)
 
- - demo: demo: add a virtual scrolling example?
+ - demo: add vertical separator demo
+ - demo: add a virtual scrolling example?
  - examples: directx9: save/restore device state more thoroughly.
  - examples: window minimize, maximize (#583)
  - examples: provide a zero-framerate/idle example.

imgui.cpp

@@ -1912,12 +1912,12 @@ void ImGui::ItemSize(const ImVec2& size, float text_offset_y)
     ImGuiContext& g = *GImGui;
     const float line_height = ImMax(window->DC.CurrentLineHeight, size.y);
     const float text_base_offset = ImMax(window->DC.CurrentLineTextBaseOffset, text_offset_y);
+    //if (g.IO.KeyAlt) window->DrawList->AddRect(window->DC.CursorPos, window->DC.CursorPos + ImVec2(size.x, line_height), IM_COL32(255,0,0,200)); // [DEBUG]
     window->DC.CursorPosPrevLine = ImVec2(window->DC.CursorPos.x + size.x, window->DC.CursorPos.y);
     window->DC.CursorPos = ImVec2((float)(int)(window->Pos.x + window->DC.IndentX + window->DC.ColumnsOffsetX), (float)(int)(window->DC.CursorPos.y + line_height + g.Style.ItemSpacing.y));
     window->DC.CursorMaxPos.x = ImMax(window->DC.CursorMaxPos.x, window->DC.CursorPosPrevLine.x);
     window->DC.CursorMaxPos.y = ImMax(window->DC.CursorMaxPos.y, window->DC.CursorPos.y);
-
-    //window->DrawList->AddCircle(window->DC.CursorMaxPos, 3.0f, IM_COL32(255,0,0,255), 4); // Debug
+    //if (g.IO.KeyAlt) window->DrawList->AddCircle(window->DC.CursorMaxPos, 3.0f, IM_COL32(255,0,0,255), 4); // [DEBUG]
 
     window->DC.PrevLineHeight = line_height;
     window->DC.PrevLineTextBaseOffset = text_base_offset;
@@ -1941,6 +1941,7 @@ bool ImGui::ItemAdd(const ImRect& bb, const ImGuiID* id)
     window->DC.LastItemHoveredAndUsable = window->DC.LastItemHoveredRect = false;
     if (IsClippedEx(bb, id, false))
         return false;
+    //if (g.IO.KeyAlt) window->DrawList->AddRect(bb.Min, bb.Max, IM_COL32(255,255,0,120)); // [DEBUG]
 
     // Setting LastItemHoveredAndUsable for IsItemHovered(). This is a sensible default, but widgets are free to override it.
     if (IsMouseHoveringRect(bb.Min, bb.Max))
@@ -9053,6 +9054,8 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
     ImVec2 popup_pos, pos = window->DC.CursorPos;
     if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
     {
+        // Menu inside an horizontal menu bar
+        // Selectable extend their highlight by half ItemSpacing in each direction.
         popup_pos = ImVec2(pos.x - window->WindowPadding.x, pos.y - style.FramePadding.y + window->MenuBarHeight());
         window->DC.CursorPos.x += (float)(int)(style.ItemSpacing.x * 0.5f);
         PushStyleVar(ImGuiStyleVar_ItemSpacing, style.ItemSpacing * 2.0f);
@@ -9064,6 +9067,7 @@ bool ImGui::BeginMenu(const char* label, bool enabled)
     }
     else
     {
+        // Menu inside a menu
         popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y);
         float w = window->MenuColumns.DeclColumns(label_size.x, 0.0f, (float)(int)(g.FontSize * 1.20f)); // Feedback to next frame
         float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w);

imgui.h

@@ -381,7 +381,7 @@ namespace ImGui
     // Menus
     IMGUI_API bool          BeginMainMenuBar();                                                 // create and append to a full screen menu-bar. only call EndMainMenuBar() if this returns true!
     IMGUI_API void          EndMainMenuBar();
-    IMGUI_API bool          BeginMenuBar();                                                     // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set). only call EndMenuBar() if this returns true!
+    IMGUI_API bool          BeginMenuBar();                                                     // append to menu-bar of current window (requires ImGuiWindowFlags_MenuBar flag set on parent window). only call EndMenuBar() if this returns true!
     IMGUI_API void          EndMenuBar();
     IMGUI_API bool          BeginMenu(const char* label, bool enabled = true);                  // create a sub-menu entry. only call EndMenu() if this returns true!
     IMGUI_API void          EndMenu();