Fixed title bar background alpha being used to render viewport-owned …

…windows. Fixes ocornut#7181
PathogenDavid · Dec 30, 2023 · a7a83b9 · a7a83b9
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diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
@@ -97,6 +97,7 @@ Docking+Viewports Branch:
 
 - Backends: DX12: Changed swapchain scaling mode to DXGI_SCALING_NONE to reduce artifacts as
   queued frames aren't synchronized with platform window resizes. (#7152, #7153) [@SuperWangKai]
+- Windows: Fixed ImGuiCol_TitleBg/Active alpha being used for viewport-owned windows. (#7181) [@PathogenDavid]
 
 
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diff --git a/imgui.cpp b/imgui.cpp
@@ -6492,6 +6492,8 @@ void ImGui::RenderWindowDecorations(ImGuiWindow* window, const ImRect& title_bar
         if (!(flags & ImGuiWindowFlags_NoTitleBar) && !window->DockIsActive)
         {
             ImU32 title_bar_col = GetColorU32(title_bar_is_highlight ? ImGuiCol_TitleBgActive : ImGuiCol_TitleBg);
+            if (window->ViewportOwned)
+                title_bar_col |= IM_COL32_A_MASK; // No alpha
             window->DrawList->AddRectFilled(title_bar_rect.Min, title_bar_rect.Max, title_bar_col, window_rounding, ImDrawFlags_RoundCornersTop);
         }
-Original file line number
+Diff line change
@@ Expand Up / @@ -97,6 +97,7 @@ Docking+Viewports Branch: @@
     - Backends: DX12: Changed swapchain scaling mode to DXGI_SCALING_NONE to reduce artifacts as
       queued frames aren't synchronized with platform window resizes. (#7152, #7153) [@SuperWangKai]
+    - Windows: Fixed ImGuiCol_TitleBg/Active alpha being used for viewport-owned windows. (#7181) [@PathogenDavid]
     -----------------------------------------------------------------------
@@ Expand Down @@