/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at http://qt.nokia.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QGESTURE_H #define QGESTURE_H #include #include #include #include #include #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Gui) class QGraphicsItem; class QGesturePrivate; class Q_GUI_EXPORT QGesture : public QObject { Q_OBJECT Q_DECLARE_PRIVATE(QGesture) Q_PROPERTY(Qt::GestureState state READ state) Q_PROPERTY(QObject* gestureTarget READ gestureTarget WRITE setGestureTarget) public: explicit QGesture(QObject *gestureTarget = 0, QObject *parent = 0); ~QGesture(); virtual bool filterEvent(QEvent *event) = 0; void setGestureTarget(QObject *object); QObject* gestureTarget() const; void setGraphicsItem(QGraphicsItem *); QGraphicsItem *graphicsItem() const; Qt::GestureState state() const; protected: QGesture(QGesturePrivate &dd, QObject *gestureTarget, QObject *parent); bool eventFilter(QObject*, QEvent*); virtual void reset(); void updateState(Qt::GestureState state); Q_SIGNALS: void started(); void triggered(); void finished(); void cancelled(); private: friend class QWidget; }; QT_END_NAMESPACE QT_END_HEADER #endif // QGESTURE_H