| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
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| 4 | ** Contact: https://www.qt.io/licensing/ | 
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| 5 | ** | 
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| 6 | ** This file is part of the QtWidgets module of the Qt Toolkit. | 
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| 7 | ** | 
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 9 | ** Commercial License Usage | 
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 11 | ** accordance with the commercial license agreement provided with the | 
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| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
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| 16 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
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| 21 | ** packaging of this file. Please review the following information to | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
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| 24 | ** | 
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| 25 | ** GNU General Public License Usage | 
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| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
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| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
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| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
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| 31 | ** included in the packaging of this file. Please review the following | 
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| 32 | ** information to ensure the GNU General Public License requirements will | 
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| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
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| 35 | ** | 
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| 36 | ** $QT_END_LICENSE$ | 
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| 37 | ** | 
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| 38 | ****************************************************************************/ | 
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| 39 |  | 
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| 40 | #ifndef QGESTURE_P_H | 
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| 41 | #define QGESTURE_P_H | 
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| 42 |  | 
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| 43 | // | 
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| 44 | //  W A R N I N G | 
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| 45 | //  ------------- | 
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| 46 | // | 
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| 47 | // This file is not part of the Qt API.  It exists for the convenience | 
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| 48 | // of other Qt classes.  This header file may change from version to | 
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| 49 | // version without notice, or even be removed. | 
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| 50 | // | 
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| 51 | // We mean it. | 
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| 52 | // | 
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| 53 |  | 
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| 54 | #include <QtWidgets/private/qtwidgetsglobal_p.h> | 
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| 55 | #include "qrect.h" | 
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| 56 | #include "qpoint.h" | 
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| 57 | #include "qgesture.h" | 
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| 58 | #include "qelapsedtimer.h" | 
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| 59 | #include "private/qobject_p.h" | 
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| 60 |  | 
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| 61 | #ifndef QT_NO_GESTURES | 
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| 62 |  | 
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| 63 | QT_BEGIN_NAMESPACE | 
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| 64 |  | 
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| 65 | class QGesturePrivate : public QObjectPrivate | 
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| 66 | { | 
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| 67 | Q_DECLARE_PUBLIC(QGesture) | 
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| 68 |  | 
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| 69 | public: | 
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| 70 | QGesturePrivate() | 
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| 71 | : gestureType(Qt::CustomGesture), state(Qt::NoGesture), | 
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| 72 | isHotSpotSet(false), gestureCancelPolicy(0) | 
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| 73 | { | 
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| 74 | } | 
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| 75 |  | 
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| 76 | Qt::GestureType gestureType; | 
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| 77 | Qt::GestureState state; | 
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| 78 | QPointF hotSpot; | 
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| 79 | QPointF sceneHotSpot; | 
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| 80 | uint isHotSpotSet : 1; | 
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| 81 | uint gestureCancelPolicy : 2; | 
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| 82 | }; | 
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| 83 |  | 
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| 84 | class QPanGesturePrivate : public QGesturePrivate | 
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| 85 | { | 
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| 86 | Q_DECLARE_PUBLIC(QPanGesture) | 
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| 87 |  | 
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| 88 | public: | 
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| 89 | QPanGesturePrivate() | 
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| 90 | : acceleration(0), xVelocity(0), yVelocity(0), pointCount(2) | 
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| 91 | { | 
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| 92 | } | 
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| 93 |  | 
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| 94 | qreal horizontalVelocity() const { return xVelocity; } | 
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| 95 | void setHorizontalVelocity(qreal value) { xVelocity = value; } | 
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| 96 | qreal verticalVelocity() const { return yVelocity; } | 
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| 97 | void setVerticalVelocity(qreal value) { yVelocity = value; } | 
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| 98 |  | 
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| 99 | QPointF lastOffset; | 
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| 100 | QPointF offset; | 
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| 101 | QPoint startPosition; | 
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| 102 | qreal acceleration; | 
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| 103 | qreal xVelocity; | 
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| 104 | qreal yVelocity; | 
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| 105 | int pointCount; // ### fixme Qt 5.5: Add accessor to QPanGesture. | 
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| 106 | }; | 
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| 107 |  | 
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| 108 | class QPinchGesturePrivate : public QGesturePrivate | 
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| 109 | { | 
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| 110 | Q_DECLARE_PUBLIC(QPinchGesture) | 
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| 111 |  | 
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| 112 | public: | 
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| 113 | QPinchGesturePrivate() | 
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| 114 | : totalScaleFactor(1), lastScaleFactor(1), scaleFactor(1), | 
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| 115 | totalRotationAngle(0), lastRotationAngle(0), rotationAngle(0), | 
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| 116 | isNewSequence(true) | 
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| 117 | { | 
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| 118 | } | 
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| 119 |  | 
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| 120 | QPinchGesture::ChangeFlags totalChangeFlags; | 
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| 121 | QPinchGesture::ChangeFlags changeFlags; | 
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| 122 |  | 
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| 123 | QPointF startCenterPoint; | 
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| 124 | QPointF lastCenterPoint; | 
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| 125 | QPointF centerPoint; | 
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| 126 |  | 
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| 127 | qreal totalScaleFactor; | 
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| 128 | qreal lastScaleFactor; | 
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| 129 | qreal scaleFactor; | 
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| 130 |  | 
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| 131 | qreal totalRotationAngle; | 
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| 132 | qreal lastRotationAngle; | 
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| 133 | qreal rotationAngle; | 
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| 134 |  | 
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| 135 | bool isNewSequence; | 
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| 136 | QPointF startPosition[2]; | 
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| 137 | }; | 
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| 138 |  | 
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| 139 | class QSwipeGesturePrivate : public QGesturePrivate | 
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| 140 | { | 
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| 141 | Q_DECLARE_PUBLIC(QSwipeGesture) | 
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| 142 |  | 
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| 143 | public: | 
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| 144 | enum State { | 
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| 145 | NoGesture, | 
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| 146 | Started, | 
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| 147 | ThreePointsReached | 
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| 148 | }; | 
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| 149 |  | 
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| 150 | QSwipeGesturePrivate() | 
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| 151 | : horizontalDirection(QSwipeGesture::NoDirection), | 
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| 152 | verticalDirection(QSwipeGesture::NoDirection), | 
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| 153 | swipeAngle(0), | 
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| 154 | state(NoGesture), velocityValue(0) | 
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| 155 | { | 
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| 156 | } | 
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| 157 |  | 
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| 158 | qreal velocity() const { return velocityValue; } | 
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| 159 | void setVelocity(qreal value) { velocityValue = value; } | 
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| 160 |  | 
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| 161 | QSwipeGesture::SwipeDirection horizontalDirection; | 
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| 162 | QSwipeGesture::SwipeDirection verticalDirection; | 
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| 163 | qreal swipeAngle; | 
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| 164 |  | 
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| 165 | QPoint lastPositions[3]; | 
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| 166 | State state; | 
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| 167 | qreal velocityValue; | 
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| 168 | QElapsedTimer time; | 
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| 169 | }; | 
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| 170 |  | 
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| 171 | class QTapGesturePrivate : public QGesturePrivate | 
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| 172 | { | 
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| 173 | Q_DECLARE_PUBLIC(QTapGesture) | 
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| 174 |  | 
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| 175 | public: | 
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| 176 | QTapGesturePrivate() | 
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| 177 | { | 
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| 178 | } | 
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| 179 |  | 
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| 180 | QPointF position; | 
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| 181 | }; | 
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| 182 |  | 
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| 183 | class QTapAndHoldGesturePrivate : public QGesturePrivate | 
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| 184 | { | 
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| 185 | Q_DECLARE_PUBLIC(QTapAndHoldGesture) | 
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| 186 |  | 
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| 187 | public: | 
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| 188 | QTapAndHoldGesturePrivate() | 
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| 189 | : timerId(0) | 
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| 190 | { | 
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| 191 | } | 
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| 192 |  | 
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| 193 | QPointF position; | 
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| 194 | int timerId; | 
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| 195 | static int Timeout; | 
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| 196 | }; | 
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| 197 |  | 
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| 198 | QT_END_NAMESPACE | 
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| 199 |  | 
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| 200 | #endif // QT_NO_GESTURES | 
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| 201 |  | 
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| 202 | #endif // QGESTURE_P_H | 
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| 203 |  | 
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