message: Internals: window->InnerRect includes removal of borders so it'll be easier to use from other locations.
diff: @@ -4876,10 +4876,10 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
  // Inner rectangle
  // We set this up after processing the resize grip so that our clip rectangle doesn't lag by a frame
  // Note that if our window is collapsed we will end up with a null clipping rectangle which is the correct behavior.
  - window->InnerRect.Min.x = title_bar_rect.Min.x;
  - window->InnerRect.Min.y = title_bar_rect.Max.y + window->MenuBarHeight();
  - window->InnerRect.Max.x = window->Pos.x + window->Size.x - window->ScrollbarSizes.x;
  - window->InnerRect.Max.y = window->Pos.y + window->Size.y - window->ScrollbarSizes.y;
  + window->InnerRect.Min.x = title_bar_rect.Min.x + window->WindowBorderSize;
  + window->InnerRect.Min.y = title_bar_rect.Max.y + window->MenuBarHeight() + (((flags & ImGuiWindowFlags_MenuBar) || !(flags & ImGuiWindowFlags_NoTitleBar)) ? style.FrameBorderSize : window->WindowBorderSize);
  + window->InnerRect.Max.x = window->Pos.x + window->Size.x - window->ScrollbarSizes.x - window->WindowBorderSize;
  + window->InnerRect.Max.y = window->Pos.y + window->Size.y - window->ScrollbarSizes.y - window->WindowBorderSize;
  //window->DrawList->AddRect(window->InnerRect.Min, window->InnerRect.Max, IM_COL32_WHITE);
  // After Begin() we fill the last item / hovered data using the title bar data. Make that a standard behavior (to allow usage of context menus on title bar only, etc.).
  @@ -4892,10 +4892,10 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
  // Force round operator last to ensure that e.g. (int)(max.x-min.x) in user's render code produce correct result.
  const float border_size = window->WindowBorderSize;
  ImRect clip_rect;
  - clip_rect.Min.x = ImFloor(0.5f + window->InnerRect.Min.x + ImMax(border_size, ImFloor(window->WindowPadding.x*0.5f)));
  - clip_rect.Min.y = ImFloor(0.5f + window->InnerRect.Min.y + border_size);
  - clip_rect.Max.x = ImFloor(0.5f + window->InnerRect.Max.x - ImMax(border_size, ImFloor(window->WindowPadding.x*0.5f)));
  - clip_rect.Max.y = ImFloor(0.5f + window->InnerRect.Max.y - border_size);
  + clip_rect.Min.x = ImFloor(0.5f + window->InnerRect.Min.x + ImMax(0.0f, ImFloor(window->WindowPadding.x*0.5f - border_size)));
  + clip_rect.Min.y = ImFloor(0.5f + window->InnerRect.Min.y);
  + clip_rect.Max.x = ImFloor(0.5f + window->InnerRect.Max.x - ImMax(0.0f, ImFloor(window->WindowPadding.x*0.5f - border_size)));
  + clip_rect.Max.y = ImFloor(0.5f + window->InnerRect.Max.y);
  PushClipRect(clip_rect.Min, clip_rect.Max, true);
  // Clear 'accessed' flag last thing (After PushClipRect which will set the flag. We want the flag to stay false when the default "Debug" window is unused)
  