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diff --git a/libk3b/tools/k3btoolbutton.h b/libk3b/tools/k3btoolbutton.h
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+/* 
+ *
+ * $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
+ * Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * 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.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_TOOL_BUTTON_H_
+#define _K3B_TOOL_BUTTON_H_
+
+#include "k3b_export.h"
+
+#include <qtoolbutton.h>
+
+class QPainter;
+class QEvent;
+
+
+/**
+ * the K3bToolButton is an enhanced QToolButton which adds two functionalities:
+ * <li>A delayed popup menu is shown immiadetely once the mouse is dragged downwards
+ *     much like the KToolBarButton
+ * <li>If a popup menu is set a little arrow indicates this.
+ */
+class LIBK3B_EXPORT K3bToolButton : public QToolButton
+{
+ public:
+  K3bToolButton( QWidget* parent = 0 );
+  ~K3bToolButton();
+
+  void setInstantMenu( bool );
+
+ protected:
+  virtual void drawButton( QPainter* );
+  virtual bool eventFilter( QObject*, QEvent* );
+
+ private:
+  class Private;
+  Private* d;
+};
+
+#endif