Selectable, Style: selected Selectable() use _Header color instead of an arbitrary lerp between _Header and _HeaderHovered. (#8106, #1861)

Author: ocornut

docs/CHANGELOG.txt

@@ -43,6 +43,8 @@ Breaking changes:
 
 Other changes:
 
+- Selectable: selected Selectables use ImGuiCol_Header instead of an arbitrary lerp
+  between _Header and _HeaderHovered which was introduced v1.91 (#8106, #1861)
 - Backends: DX12: Unmap() call specify written range. The range is informational and
   may be used by debug tools.
 - Backends: SDL2: Replace SDL_Vulkan_GetDrawableSize() forward declaration with the 

imgui_demo.cpp

@@ -10220,7 +10220,7 @@ struct ExampleAssetsBrowser
 
             // Rendering parameters
             const ImU32 icon_type_overlay_colors[3] = { 0, IM_COL32(200, 70, 70, 255), IM_COL32(70, 170, 70, 255) };
-            const ImU32 icon_bg_color = ImGui::GetColorU32(ImGuiCol_MenuBarBg);
+            const ImU32 icon_bg_color = ImGui::GetColorU32(IM_COL32(35, 35, 35, 220));
             const ImVec2 icon_type_overlay_size = ImVec2(4.0f, 4.0f);
             const bool display_label = (LayoutItemSize.x >= ImGui::CalcTextSize("999").x);
 

imgui_widgets.cpp

@@ -7017,12 +7017,8 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
         const bool highlighted = hovered || (flags & ImGuiSelectableFlags_Highlight);
         if (highlighted || selected)
         {
-            // FIXME-MULTISELECT: Styling: Color for 'selected' elements? ImGuiCol_HeaderSelected
-            ImU32 col;
-            if (selected && !highlighted)
-                col = GetColorU32(ImLerp(GetStyleColorVec4(ImGuiCol_Header), GetStyleColorVec4(ImGuiCol_HeaderHovered), 0.5f));
-            else
-                col = GetColorU32((held && highlighted) ? ImGuiCol_HeaderActive : highlighted ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
+            // Between 1.91.0 and 1.91.4 we made selected Selectable use an arbitrary lerp between _Header and _HeaderHovered. Removed that now. (#8106)
+            ImU32 col = GetColorU32((held && highlighted) ? ImGuiCol_HeaderActive : highlighted ? ImGuiCol_HeaderHovered : ImGuiCol_Header);
             RenderFrame(bb.Min, bb.Max, col, false, 0.0f);
         }
         if (g.NavId == id)