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Diffstat (limited to 'src/widgets/kernel/qgesture.h')
| -rw-r--r-- | src/widgets/kernel/qgesture.h | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/src/widgets/kernel/qgesture.h b/src/widgets/kernel/qgesture.h new file mode 100644 index 0000000000..610ae2b9f6 --- /dev/null +++ b/src/widgets/kernel/qgesture.h @@ -0,0 +1,328 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QGESTURE_H +#define QGESTURE_H + +#include <QtCore/qobject.h> +#include <QtCore/qlist.h> +#include <QtCore/qdatetime.h> +#include <QtCore/qpoint.h> +#include <QtCore/qrect.h> +#include <QtCore/qmetatype.h> +#include <QtGui/qevent.h> + +#ifndef QT_NO_GESTURES + +QT_BEGIN_HEADER + +Q_DECLARE_METATYPE(Qt::GestureState) +Q_DECLARE_METATYPE(Qt::GestureType) + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +class QGesturePrivate; +class Q_WIDGETS_EXPORT QGesture : public QObject +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QGesture) + + Q_PROPERTY(Qt::GestureState state READ state) + Q_PROPERTY(Qt::GestureType gestureType READ gestureType) + Q_PROPERTY(QGesture::GestureCancelPolicy gestureCancelPolicy READ gestureCancelPolicy WRITE setGestureCancelPolicy) + Q_PROPERTY(QPointF hotSpot READ hotSpot WRITE setHotSpot RESET unsetHotSpot) + Q_PROPERTY(bool hasHotSpot READ hasHotSpot) + +public: + explicit QGesture(QObject *parent = 0); + ~QGesture(); + + Qt::GestureType gestureType() const; + + Qt::GestureState state() const; + + QPointF hotSpot() const; + void setHotSpot(const QPointF &value); + bool hasHotSpot() const; + void unsetHotSpot(); + + enum GestureCancelPolicy { + CancelNone = 0, + CancelAllInContext + }; + + void setGestureCancelPolicy(GestureCancelPolicy policy); + GestureCancelPolicy gestureCancelPolicy() const; + +protected: + QGesture(QGesturePrivate &dd, QObject *parent); + +private: + friend class QGestureEvent; + friend class QGestureRecognizer; + friend class QGestureManager; + friend class QGraphicsScenePrivate; +}; + +class QPanGesturePrivate; +class Q_WIDGETS_EXPORT QPanGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QPanGesture) + + Q_PROPERTY(QPointF lastOffset READ lastOffset WRITE setLastOffset) + Q_PROPERTY(QPointF offset READ offset WRITE setOffset) + Q_PROPERTY(QPointF delta READ delta STORED false) + Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration) + Q_PRIVATE_PROPERTY(QPanGesture::d_func(), qreal horizontalVelocity READ horizontalVelocity WRITE setHorizontalVelocity) + Q_PRIVATE_PROPERTY(QPanGesture::d_func(), qreal verticalVelocity READ verticalVelocity WRITE setVerticalVelocity) + +public: + QPanGesture(QObject *parent = 0); + + QPointF lastOffset() const; + QPointF offset() const; + QPointF delta() const; + qreal acceleration() const; + + void setLastOffset(const QPointF &value); + void setOffset(const QPointF &value); + void setAcceleration(qreal value); + + friend class QPanGestureRecognizer; + friend class QWinNativePanGestureRecognizer; +}; + +class QPinchGesturePrivate; +class Q_WIDGETS_EXPORT QPinchGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QPinchGesture) + Q_FLAGS(ChangeFlags ChangeFlag) + +public: + enum ChangeFlag { + ScaleFactorChanged = 0x1, + RotationAngleChanged = 0x2, + CenterPointChanged = 0x4 + }; + Q_DECLARE_FLAGS(ChangeFlags, ChangeFlag) + + Q_PROPERTY(ChangeFlags totalChangeFlags READ totalChangeFlags WRITE setTotalChangeFlags) + Q_PROPERTY(ChangeFlags changeFlags READ changeFlags WRITE setChangeFlags) + + Q_PROPERTY(qreal totalScaleFactor READ totalScaleFactor WRITE setTotalScaleFactor) + Q_PROPERTY(qreal lastScaleFactor READ lastScaleFactor WRITE setLastScaleFactor) + Q_PROPERTY(qreal scaleFactor READ scaleFactor WRITE setScaleFactor) + + Q_PROPERTY(qreal totalRotationAngle READ totalRotationAngle WRITE setTotalRotationAngle) + Q_PROPERTY(qreal lastRotationAngle READ lastRotationAngle WRITE setLastRotationAngle) + Q_PROPERTY(qreal rotationAngle READ rotationAngle WRITE setRotationAngle) + + Q_PROPERTY(QPointF startCenterPoint READ startCenterPoint WRITE setStartCenterPoint) + Q_PROPERTY(QPointF lastCenterPoint READ lastCenterPoint WRITE setLastCenterPoint) + Q_PROPERTY(QPointF centerPoint READ centerPoint WRITE setCenterPoint) + +public: + QPinchGesture(QObject *parent = 0); + + ChangeFlags totalChangeFlags() const; + void setTotalChangeFlags(ChangeFlags value); + + ChangeFlags changeFlags() const; + void setChangeFlags(ChangeFlags value); + + QPointF startCenterPoint() const; + QPointF lastCenterPoint() const; + QPointF centerPoint() const; + void setStartCenterPoint(const QPointF &value); + void setLastCenterPoint(const QPointF &value); + void setCenterPoint(const QPointF &value); + + qreal totalScaleFactor() const; + qreal lastScaleFactor() const; + qreal scaleFactor() const; + void setTotalScaleFactor(qreal value); + void setLastScaleFactor(qreal value); + void setScaleFactor(qreal value); + + qreal totalRotationAngle() const; + qreal lastRotationAngle() const; + qreal rotationAngle() const; + void setTotalRotationAngle(qreal value); + void setLastRotationAngle(qreal value); + void setRotationAngle(qreal value); + + friend class QPinchGestureRecognizer; +}; + +Q_DECLARE_OPERATORS_FOR_FLAGS(QPinchGesture::ChangeFlags) + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QPinchGesture::ChangeFlags) + +QT_BEGIN_NAMESPACE + +class QSwipeGesturePrivate; +class Q_WIDGETS_EXPORT QSwipeGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QSwipeGesture) + Q_ENUMS(SwipeDirection) + + Q_PROPERTY(SwipeDirection horizontalDirection READ horizontalDirection STORED false) + Q_PROPERTY(SwipeDirection verticalDirection READ verticalDirection STORED false) + Q_PROPERTY(qreal swipeAngle READ swipeAngle WRITE setSwipeAngle) + Q_PRIVATE_PROPERTY(QSwipeGesture::d_func(), qreal velocity READ velocity WRITE setVelocity) + +public: + enum SwipeDirection { NoDirection, Left, Right, Up, Down }; + QSwipeGesture(QObject *parent = 0); + + SwipeDirection horizontalDirection() const; + SwipeDirection verticalDirection() const; + + qreal swipeAngle() const; + void setSwipeAngle(qreal value); + + friend class QSwipeGestureRecognizer; +}; + +class QTapGesturePrivate; +class Q_WIDGETS_EXPORT QTapGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QTapGesture) + + Q_PROPERTY(QPointF position READ position WRITE setPosition) + +public: + QTapGesture(QObject *parent = 0); + + QPointF position() const; + void setPosition(const QPointF &pos); + + friend class QTapGestureRecognizer; +}; + +class QTapAndHoldGesturePrivate; +class Q_WIDGETS_EXPORT QTapAndHoldGesture : public QGesture +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QTapAndHoldGesture) + + Q_PROPERTY(QPointF position READ position WRITE setPosition) + +public: + QTapAndHoldGesture(QObject *parent = 0); + + QPointF position() const; + void setPosition(const QPointF &pos); + + static void setTimeout(int msecs); + static int timeout(); + + friend class QTapAndHoldGestureRecognizer; +}; + +class QGesture; +class QGestureEventPrivate; +class Q_WIDGETS_EXPORT QGestureEvent : public QEvent +{ +public: + QGestureEvent(const QList<QGesture *> &gestures); + ~QGestureEvent(); + + QList<QGesture *> gestures() const; + QGesture *gesture(Qt::GestureType type) const; + + QList<QGesture *> activeGestures() const; + QList<QGesture *> canceledGestures() const; + +#ifdef Q_NO_USING_KEYWORD + inline void setAccepted(bool accepted) { QEvent::setAccepted(accepted); } + inline bool isAccepted() const { return QEvent::isAccepted(); } + + inline void accept() { QEvent::accept(); } + inline void ignore() { QEvent::ignore(); } +#else + using QEvent::setAccepted; + using QEvent::isAccepted; + using QEvent::accept; + using QEvent::ignore; +#endif + + void setAccepted(QGesture *, bool); + void accept(QGesture *); + void ignore(QGesture *); + bool isAccepted(QGesture *) const; + + void setAccepted(Qt::GestureType, bool); + void accept(Qt::GestureType); + void ignore(Qt::GestureType); + bool isAccepted(Qt::GestureType) const; + + void setWidget(QWidget *widget); + QWidget *widget() const; + +#ifndef QT_NO_GRAPHICSVIEW + QPointF mapToGraphicsScene(const QPointF &gesturePoint) const; +#endif + +private: + QGestureEventPrivate *d_func(); + const QGestureEventPrivate *d_func() const; + + friend class QApplication; + friend class QGestureManager; +}; + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QGesture::GestureCancelPolicy) +QT_END_HEADER + +#endif // QT_NO_GESTURES + +#endif // QGESTURE_H |