Intercept ::polish events on QMenu, so can add accel manager

support/proxystyle.cpp

@@ -0,0 +1,37 @@
+/*
+ * Cantata
+ *
+ * Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
+ *
+ * ----
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "proxystyle.h"
+#include "acceleratormanager.h"
+#include <QMenu>
+
+static const char * constAccelProp="catata-accel";
+
+void ProxyStyle::polish(QWidget *widget)
+{
+    if (widget && qobject_cast<QMenu *>(widget) && !widget->property(constAccelProp).isValid()) {
+        AcceleratorManager::manage(widget);
+        widget->setProperty(constAccelProp, true);
+    }
+    baseStyle()->polish(widget);
+}