qwidgetaction.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QWIDGETACTION_H
#define QWIDGETACTION_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtGui/qaction.h>
 
QT_REQUIRE_CONFIG(action);
 
QT_BEGIN_NAMESPACE
 
class QWidgetActionPrivate;
 
class Q_WIDGETS_EXPORT QWidgetAction : public QAction
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QWidgetAction)
 
public:
    explicit QWidgetAction(QObject *parent);
    virtual ~QWidgetAction();
 
    void setDefaultWidget(QWidget *w);
    QWidget *defaultWidget() const;
 
    QWidget *requestWidget(QWidget *parent);
    void releaseWidget(QWidget *widget);
 
protected:
    virtual bool event(QEvent *) override;
    virtual bool eventFilter(QObject *, QEvent *) override;
    virtual QWidget *createWidget(QWidget *parent);
    virtual void deleteWidget(QWidget *widget);
    QList<QWidget *> createdWidgets() const;
 
private:
    Q_DISABLE_COPY(QWidgetAction)
    Q_PRIVATE_SLOT(d_func(), void _q_widgetDestroyed(QObject *))
    friend class QToolBar;
};
 
QT_END_NAMESPACE
 
#endif // QWIDGETACTION_H