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Diffstat (limited to 'src/widgets/kernel/qgesture_p.h')
-rw-r--r-- | src/widgets/kernel/qgesture_p.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/widgets/kernel/qgesture_p.h b/src/widgets/kernel/qgesture_p.h new file mode 100644 index 0000000000..85d1c85884 --- /dev/null +++ b/src/widgets/kernel/qgesture_p.h @@ -0,0 +1,245 @@ +/**************************************************************************** +** +** 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_P_H +#define QGESTURE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of other Qt classes. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qrect.h" +#include "qpoint.h" +#include "qgesture.h" +#include "qelapsedtimer.h" +#include "private/qobject_p.h" + +#ifndef QT_NO_GESTURES + +QT_BEGIN_NAMESPACE + +class QGesturePrivate : public QObjectPrivate +{ + Q_DECLARE_PUBLIC(QGesture) + +public: + QGesturePrivate() + : gestureType(Qt::CustomGesture), state(Qt::NoGesture), + isHotSpotSet(false), gestureCancelPolicy(0) + { + } + + Qt::GestureType gestureType; + Qt::GestureState state; + QPointF hotSpot; + QPointF sceneHotSpot; + uint isHotSpotSet : 1; + uint gestureCancelPolicy : 2; +}; + +class QPanGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QPanGesture) + +public: + QPanGesturePrivate() + : acceleration(0), xVelocity(0), yVelocity(0) + { + } + + qreal horizontalVelocity() const { return xVelocity; } + void setHorizontalVelocity(qreal value) { xVelocity = value; } + qreal verticalVelocity() const { return yVelocity; } + void setVerticalVelocity(qreal value) { yVelocity = value; } + + QPointF lastOffset; + QPointF offset; + QPoint startPosition; + qreal acceleration; + qreal xVelocity; + qreal yVelocity; +}; + +class QPinchGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QPinchGesture) + +public: + QPinchGesturePrivate() + : totalChangeFlags(0), changeFlags(0), + totalScaleFactor(1), lastScaleFactor(1), scaleFactor(1), + totalRotationAngle(0), lastRotationAngle(0), rotationAngle(0), + isNewSequence(true) + { + } + + QPinchGesture::ChangeFlags totalChangeFlags; + QPinchGesture::ChangeFlags changeFlags; + + QPointF startCenterPoint; + QPointF lastCenterPoint; + QPointF centerPoint; + + qreal totalScaleFactor; + qreal lastScaleFactor; + qreal scaleFactor; + + qreal totalRotationAngle; + qreal lastRotationAngle; + qreal rotationAngle; + + bool isNewSequence; + QPointF startPosition[2]; +}; + +class QSwipeGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QSwipeGesture) + +public: + QSwipeGesturePrivate() + : horizontalDirection(QSwipeGesture::NoDirection), + verticalDirection(QSwipeGesture::NoDirection), + swipeAngle(0), + started(false), velocityValue(0) + { + } + + qreal velocity() const { return velocityValue; } + void setVelocity(qreal value) { velocityValue = value; } + + QSwipeGesture::SwipeDirection horizontalDirection; + QSwipeGesture::SwipeDirection verticalDirection; + qreal swipeAngle; + + QPoint lastPositions[3]; + bool started; + qreal velocityValue; + QElapsedTimer time; +}; + +class QTapGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QTapGesture) + +public: + QTapGesturePrivate() + { + } + + QPointF position; +}; + +class QTapAndHoldGesturePrivate : public QGesturePrivate +{ + Q_DECLARE_PUBLIC(QTapAndHoldGesture) + +public: + QTapAndHoldGesturePrivate() + : timerId(0) + { + } + + QPointF position; + int timerId; + static int Timeout; +}; + +#ifndef QT_NO_GESTURES +class QNativeGestureEvent : public QEvent +{ +public: + enum Type { + None, + GestureBegin, + GestureEnd, + Pan, + Zoom, + Rotate, + Swipe + }; + + QNativeGestureEvent() + : QEvent(QEvent::NativeGesture), gestureType(None), percentage(0) +#ifdef Q_WS_WIN + , sequenceId(0), argument(0) +#endif + { + } + + Type gestureType; + float percentage; + QPoint position; + float angle; +#ifdef Q_WS_WIN + ulong sequenceId; + quint64 argument; +#endif +}; + +class QGestureEventPrivate +{ +public: + inline QGestureEventPrivate(const QList<QGesture *> &list) + : gestures(list), widget(0) + { + } + + QList<QGesture *> gestures; + QWidget *widget; + QMap<Qt::GestureType, bool> accepted; + QMap<Qt::GestureType, QWidget *> targetWidgets; +}; +#endif // QT_NO_GESTURES + + +QT_END_NAMESPACE + +#endif // QT_NO_GESTURES + +#endif // QGESTURE_P_H |