qwidgetaction.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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00006 **
00007 ** This file is part of the QtGui module of the Qt Toolkit.
00008 **
00009 ** $QT_BEGIN_LICENSE:LGPL$
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00012 ** accordance with the Qt Commercial License Agreement provided with the
00013 ** Software or, alternatively, in accordance with the terms contained in
00014 ** a written agreement between you and Nokia.
00015 **
00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
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00028 ** GNU General Public License Usage
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00041 
00042 #ifndef QWIDGETACTION_H
00043 #define QWIDGETACTION_H
00044 
00045 #include <QtGui/qaction.h>
00046 
00047 QT_BEGIN_HEADER
00048 
00049 QT_BEGIN_NAMESPACE
00050 
00051 QT_MODULE(Gui)
00052 
00053 #ifndef QT_NO_ACTION
00054 
00055 class QWidgetActionPrivate;
00056 
00057 class Q_GUI_EXPORT QWidgetAction : public QAction
00058 {
00059     Q_OBJECT
00060     Q_DECLARE_PRIVATE(QWidgetAction)
00061 
00062 public:
00063     explicit QWidgetAction(QObject *parent);
00064     virtual ~QWidgetAction();
00065     
00066     void setDefaultWidget(QWidget *w);
00067     QWidget *defaultWidget() const;
00068 
00069     QWidget *requestWidget(QWidget *parent);
00070     void releaseWidget(QWidget *widget);
00071     
00072 protected:
00073     virtual bool event(QEvent *);
00074     virtual bool eventFilter(QObject *, QEvent *);
00075     virtual QWidget *createWidget(QWidget *parent);
00076     virtual void deleteWidget(QWidget *widget);
00077     QList<QWidget *> createdWidgets() const;
00078 
00079 private:
00080     Q_DISABLE_COPY(QWidgetAction)
00081     Q_PRIVATE_SLOT(d_func(), void _q_widgetDestroyed(QObject *))
00082     friend class QToolBar;
00083 };
00084 
00085 #endif // QT_NO_ACTION
00086 
00087 QT_END_NAMESPACE
00088 
00089 QT_END_HEADER
00090 
00091 #endif // QWIDGETACTION_H