# HG changeset patch
# User Martin Stransky <stransky@redhat.com>
# Parent  fe49971df272eeb2333d992dfc7a1928d261f0c9
Bug 1144643 - Render tooltips as transparent on Gtk3, r=?karlt

diff --git a/widget/gtk/nsNativeThemeGTK.cpp b/widget/gtk/nsNativeThemeGTK.cpp
--- a/widget/gtk/nsNativeThemeGTK.cpp
+++ b/widget/gtk/nsNativeThemeGTK.cpp
@@ -1523,15 +1523,21 @@ nsNativeThemeGTK::GetWidgetTransparency(
   case NS_THEME_SCROLLBAR_TRACK_VERTICAL:
   case NS_THEME_SCROLLBAR_TRACK_HORIZONTAL:
   case NS_THEME_TOOLBAR:
   case NS_THEME_MENUBAR:
 #endif
   case NS_THEME_MENUPOPUP:
   case NS_THEME_WINDOW:
   case NS_THEME_DIALOG:
-  // Tooltips use gtk_paint_flat_box().
+    return eOpaque;
+  // Tooltips use gtk_paint_flat_box() on Gtk2
+  // but are shaped on Gtk3
   case NS_THEME_TOOLTIP:
+#if (MOZ_WIDGET_GTK == 2)
     return eOpaque;
+#else
+    return eTransparent;
+#endif
   }
 
   return eUnknownTransparency;
 }