ImGuiFullscreen: Add popup background colour

src/util/imgui_fullscreen.cpp

@@ -74,6 +74,7 @@ ImVec4 UIBackgroundColor;
 ImVec4 UIBackgroundTextColor;
 ImVec4 UIBackgroundLineColor;
 ImVec4 UIBackgroundHighlightColor;
+ImVec4 UIPopupBackgroundColor;
 ImVec4 UIDisabledColor;
 ImVec4 UIPrimaryColor;
 ImVec4 UIPrimaryLightColor;
@@ -555,11 +556,12 @@ void ImGuiFullscreen::PushResetLayout()
   ImGui::PushStyleColor(ImGuiCol_ScrollbarGrab, UIPrimaryColor);
   ImGui::PushStyleColor(ImGuiCol_ScrollbarGrabHovered, UIPrimaryLightColor);
   ImGui::PushStyleColor(ImGuiCol_ScrollbarGrabActive, UIPrimaryDarkColor);
+  ImGui::PushStyleColor(ImGuiCol_PopupBg, UIPopupBackgroundColor);
 }
 
 void ImGuiFullscreen::PopResetLayout()
 {
-  ImGui::PopStyleColor(10);
+  ImGui::PopStyleColor(11);
   ImGui::PopStyleVar(12);
 }
 
@@ -3020,6 +3022,7 @@ void ImGuiFullscreen::SetTheme(bool light)
     UIBackgroundTextColor = HEX_TO_IMVEC4(0xffffff, 0xff);
     UIBackgroundLineColor = HEX_TO_IMVEC4(0xf0f0f0, 0xff);
     UIBackgroundHighlightColor = HEX_TO_IMVEC4(0x4b4b4b, 0xff);
+    UIPopupBackgroundColor = HEX_TO_IMVEC4(0x212121, 0xf2);
     UIPrimaryColor = HEX_TO_IMVEC4(0x2e2e2e, 0xff);
     UIPrimaryLightColor = HEX_TO_IMVEC4(0x484848, 0xff);
     UIPrimaryDarkColor = HEX_TO_IMVEC4(0x000000, 0xff);
@@ -3039,6 +3042,7 @@ void ImGuiFullscreen::SetTheme(bool light)
     UIBackgroundTextColor = HEX_TO_IMVEC4(0x000000, 0xff);
     UIBackgroundLineColor = HEX_TO_IMVEC4(0xe1e2e1, 0xff);
     UIBackgroundHighlightColor = HEX_TO_IMVEC4(0xe1e2e1, 0xff);
+    UIPopupBackgroundColor = HEX_TO_IMVEC4(0xd8d8d8, 0xf2);
     UIPrimaryColor = HEX_TO_IMVEC4(0x2a3e78, 0xff);
     UIPrimaryLightColor = HEX_TO_IMVEC4(0x235cd9, 0xff);
     UIPrimaryDarkColor = HEX_TO_IMVEC4(0x1d2953, 0xff);

src/util/imgui_fullscreen.h

@@ -54,6 +54,7 @@ extern ImVec4 UIBackgroundColor;
 extern ImVec4 UIBackgroundTextColor;
 extern ImVec4 UIBackgroundLineColor;
 extern ImVec4 UIBackgroundHighlightColor;
+extern ImVec4 UIPopupBackgroundColor;
 extern ImVec4 UIDisabledColor;
 extern ImVec4 UIPrimaryColor;
 extern ImVec4 UIPrimaryLightColor;