Fix the background colour of items in the global search popup in Qt 4.7 with the GTK style.

src/globalsearch/globalsearchwidget.cpp

@@ -26,6 +26,7 @@
 #include "core/logging.h"
 #include "core/stylesheetloader.h"
 #include "core/utilities.h"
+#include "playlist/playlistview.h"
 #include "playlist/songmimedata.h"
 #include "widgets/stylehelper.h"
 
@@ -132,6 +133,8 @@ void GlobalSearchWidget::Init(LibraryBackendInterface* library) {
   engine_->AddProvider(new SpotifySearchProvider(engine_));
 #endif
 
+  view_->setStyle(new PlaylistProxyStyle(style()));
+
   // The style helper's base color doesn't get initialised until after the
   // constructor.
   QPalette view_palette = view_->palette();

src/playlist/playlistview.h

@@ -40,6 +40,7 @@ class RatingItemDelegate;
 // the caller set in the QStyleOption.  That breaks our currently playing track
 // animation, which relies on the background painted by Qt to be transparent.
 // This proxy style uses QCleanlooksStyle to paint the affected elements.
+// This class is used by the global search view as well.
 class PlaylistProxyStyle : public QProxyStyle {
 public:
   PlaylistProxyStyle(QStyle* base);