Fix issue with ImGui & Viewports: title bar cannot be transparen

pthom · Dec 24, 2023 · 767cff7 · 767cff7
1 parent 3bb0c1a
commit 767cff7
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/hello_imgui/internal/backend_impls/abstract_runner.cpp b/src/hello_imgui/internal/backend_impls/abstract_runner.cpp
@@ -463,6 +463,15 @@ void AbstractRunner::Setup()
     SetLayoutResetIfNeeded();
 
     ImGuiTheme::ApplyTweakedTheme(params.imGuiWindowParams.tweakedTheme);
+
+    // Fix issue with ImGui & Viewports: title bar cannot be transparent
+    if (params.imGuiWindowParams.enableViewports)
+    {
+        auto& style = ImGui::GetStyle();
+        style.Colors[ImGuiCol_TitleBg].w = 1.f;
+        style.Colors[ImGuiCol_TitleBgActive].w = 1.f;
+        style.Colors[ImGuiCol_TitleBgCollapsed].w = 1.f;
+    }
 }
 
 void AbstractRunner::SetLayoutResetIfNeeded()