1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtWidgets module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QWIDGETACTION_H 41 #define QWIDGETACTION_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qaction.h> 45 46 QT_BEGIN_NAMESPACE 47 48 49 #ifndef QT_NO_ACTION 50 51 class QWidgetActionPrivate; 52 53 class Q_WIDGETS_EXPORT QWidgetAction : public QAction 54 { 55 Q_OBJECT 56 Q_DECLARE_PRIVATE(QWidgetAction) 57 58 public: 59 explicit QWidgetAction(QObject *parent); 60 virtual ~QWidgetAction(); 61 62 void setDefaultWidget(QWidget *w); 63 QWidget *defaultWidget() const; 64 65 QWidget *requestWidget(QWidget *parent); 66 void releaseWidget(QWidget *widget); 67 68 protected: 69 virtual bool event(QEvent *) override; 70 virtual bool eventFilter(QObject *, QEvent *) override; 71 virtual QWidget *createWidget(QWidget *parent); 72 virtual void deleteWidget(QWidget *widget); 73 QList<QWidget *> createdWidgets() const; 74 75 private: 76 Q_DISABLE_COPY(QWidgetAction) 77 Q_PRIVATE_SLOT(d_func(), void _q_widgetDestroyed(QObject *)) 78 friend class QToolBar; 79 }; 80 81 #endif // QT_NO_ACTION 82 83 QT_END_NAMESPACE 84 85 #endif // QWIDGETACTION_H 86