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Diffstat (limited to 'src/gui/kernel/qgesture_p.h')
-rw-r--r-- | src/gui/kernel/qgesture_p.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/gui/kernel/qgesture_p.h b/src/gui/kernel/qgesture_p.h new file mode 100644 index 0000000000..4fd4446cb6 --- /dev/null +++ b/src/gui/kernel/qgesture_p.h @@ -0,0 +1,197 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_GESTURES + +#endif // QGESTURE_P_H |