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| 2 | ** |
| 3 | ** Copyright (C) 2020 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 17 | ** GNU Lesser General Public License Usage |
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
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| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
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| 35 | ** |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #ifndef QEVENT_P_H |
| 41 | #define QEVENT_P_H |
| 42 | |
| 43 | // |
| 44 | // W A R N I N G |
| 45 | // ------------- |
| 46 | // |
| 47 | // This file is not part of the Qt API. It exists for the convenience |
| 48 | // of other Qt classes. This header file may change from version to |
| 49 | // version without notice, or even be removed. |
| 50 | // |
| 51 | // We mean it. |
| 52 | // |
| 53 | |
| 54 | #include <QtGui/private/qtguiglobal_p.h> |
| 55 | #include <QtCore/qurl.h> |
| 56 | #include <QtGui/qevent.h> |
| 57 | #include <QtGui/qwindow.h> |
| 58 | |
| 59 | QT_BEGIN_NAMESPACE |
| 60 | |
| 61 | class QPointingDevice; |
| 62 | |
| 63 | struct QEventPointPrivate { |
| 64 | QEventPointPrivate(int id, const QPointingDevice *device) |
| 65 | : device(device), pointId(id) { } |
| 66 | |
| 67 | QEventPointPrivate(int pointId, QEventPoint::State state, const QPointF &scenePosition, const QPointF &globalPosition) |
| 68 | : scenePos(scenePosition), globalPos(globalPosition), pointId(pointId), state(state) |
| 69 | { |
| 70 | if (state == QEventPoint::State::Released) |
| 71 | pressure = 0; |
| 72 | } |
| 73 | inline bool operator==(const QEventPointPrivate &other) const |
| 74 | { |
| 75 | return device == other.device |
| 76 | && window == other.window |
| 77 | && target == other.target |
| 78 | && pos == other.pos |
| 79 | && scenePos == other.scenePos |
| 80 | && globalPos == other.globalPos |
| 81 | && globalPressPos == other.globalPressPos |
| 82 | && globalGrabPos == other.globalGrabPos |
| 83 | && globalLastPos == other.globalLastPos |
| 84 | && pressure == other.pressure |
| 85 | && rotation == other.rotation |
| 86 | && ellipseDiameters == other.ellipseDiameters |
| 87 | && velocity == other.velocity |
| 88 | && timestamp == other.timestamp |
| 89 | && lastTimestamp == other.lastTimestamp |
| 90 | && pressTimestamp == other.pressTimestamp |
| 91 | && uniqueId == other.uniqueId |
| 92 | && pointId == other.pointId |
| 93 | && state == other.state; |
| 94 | } |
| 95 | |
| 96 | const QPointingDevice *device = nullptr; |
| 97 | QPointer<QWindow> window; |
| 98 | QPointer<QObject> target; |
| 99 | QPointF pos, scenePos, globalPos, |
| 100 | globalPressPos, globalGrabPos, globalLastPos; |
| 101 | qreal pressure = 1; |
| 102 | qreal rotation = 0; |
| 103 | QSizeF ellipseDiameters = QSizeF(0, 0); |
| 104 | QVector2D velocity; |
| 105 | ulong timestamp = 0; |
| 106 | ulong lastTimestamp = 0; |
| 107 | ulong pressTimestamp = 0; |
| 108 | QPointingDeviceUniqueId uniqueId; |
| 109 | int refCount = 1; |
| 110 | int pointId = -1; |
| 111 | QEventPoint::State state = QEventPoint::State::Unknown; |
| 112 | bool accept = false; |
| 113 | }; |
| 114 | |
| 115 | // Private subclasses to allow accessing and modifying protected variables. |
| 116 | // These should NOT hold any extra state. |
| 117 | |
| 118 | class Q_GUI_EXPORT QMutableEventPoint : public QEventPoint |
| 119 | { |
| 120 | public: |
| 121 | QMutableEventPoint(int pointId = -1, State state = QEventPoint::State::Stationary, |
| 122 | const QPointF &scenePosition = QPointF(), const QPointF &globalPosition = QPointF()) : |
| 123 | QEventPoint(pointId, state, scenePosition, globalPosition) {} |
| 124 | |
| 125 | QMutableEventPoint(ulong timestamp, int pointId, State state, |
| 126 | const QPointF &position, const QPointF &scenePosition, const QPointF &globalPosition) : |
| 127 | QEventPoint(pointId, state, scenePosition, globalPosition) |
| 128 | { |
| 129 | d->timestamp = timestamp; |
| 130 | d->pos = position; |
| 131 | } |
| 132 | |
| 133 | void updateFrom(const QEventPoint &other); |
| 134 | |
| 135 | static QMutableEventPoint *from(QEventPoint *me) { return static_cast<QMutableEventPoint *>(me); } |
| 136 | |
| 137 | static QMutableEventPoint &from(QEventPoint &me) { return static_cast<QMutableEventPoint &>(me); } |
| 138 | |
| 139 | static const QMutableEventPoint &constFrom(const QEventPoint &me) { return static_cast<const QMutableEventPoint &>(me); } |
| 140 | |
| 141 | void detach(); |
| 142 | |
| 143 | void setId(int pointId) { d->pointId = pointId; } |
| 144 | |
| 145 | void setDevice(const QPointingDevice *device) { d->device = device; } |
| 146 | |
| 147 | void setTimestamp(const ulong t); |
| 148 | |
| 149 | void setPressTimestamp(const ulong t) { d->pressTimestamp = t; } |
| 150 | |
| 151 | void setState(QEventPoint::State state) { d->state = state; } |
| 152 | |
| 153 | void setUniqueId(const QPointingDeviceUniqueId &uid) { d->uniqueId = uid; } |
| 154 | |
| 155 | void setPosition(const QPointF &pos) { d->pos = pos; } |
| 156 | |
| 157 | void setScenePosition(const QPointF &pos) { d->scenePos = pos; } |
| 158 | |
| 159 | void setGlobalPosition(const QPointF &pos) { d->globalPos = pos; } |
| 160 | |
| 161 | #if QT_DEPRECATED_SINCE(6, 0) |
| 162 | // temporary replacements for QTouchEvent::TouchPoint setters, mainly to make porting easier |
| 163 | QT_DEPRECATED_VERSION_X_6_0("Use setPosition()" ) |
| 164 | void setPos(const QPointF &pos) { d->pos = pos; } |
| 165 | QT_DEPRECATED_VERSION_X_6_0("Use setScenePosition()" ) |
| 166 | void setScenePos(const QPointF &pos) { d->scenePos = pos; } |
| 167 | QT_DEPRECATED_VERSION_X_6_0("Use setGlobalPosition()" ) |
| 168 | void setScreenPos(const QPointF &pos) { d->globalPos = pos; } |
| 169 | #endif |
| 170 | |
| 171 | void setGlobalPressPosition(const QPointF &pos) { d->globalPressPos = pos; } |
| 172 | |
| 173 | void setGlobalGrabPosition(const QPointF &pos) { d->globalGrabPos = pos; } |
| 174 | |
| 175 | void setGlobalLastPosition(const QPointF &pos) { d->globalLastPos = pos; } |
| 176 | |
| 177 | void setEllipseDiameters(const QSizeF &diams) { d->ellipseDiameters = diams; } |
| 178 | |
| 179 | void setPressure(qreal v) { d->pressure = v; } |
| 180 | |
| 181 | void setRotation(qreal v) { d->rotation = v; } |
| 182 | |
| 183 | void setVelocity(const QVector2D &v) { d->velocity = v; } |
| 184 | |
| 185 | QWindow *window() const { return d->window.data(); } |
| 186 | |
| 187 | void setWindow(const QPointer<QWindow> &w) { d->window = w; } |
| 188 | |
| 189 | QObject *target() const { return d->target.data(); } |
| 190 | |
| 191 | void setTarget(const QPointer<QObject> &t) { d->target = t; } |
| 192 | }; |
| 193 | |
| 194 | static_assert(sizeof(QMutableEventPoint) == sizeof(QEventPoint)); |
| 195 | |
| 196 | class Q_GUI_EXPORT QMutableTouchEvent : public QTouchEvent |
| 197 | { |
| 198 | public: |
| 199 | QMutableTouchEvent(QEvent::Type eventType = QEvent::TouchBegin, |
| 200 | const QPointingDevice *device = nullptr, |
| 201 | Qt::KeyboardModifiers modifiers = Qt::NoModifier, |
| 202 | const QList<QEventPoint> &touchPoints = QList<QEventPoint>()) : |
| 203 | QTouchEvent(eventType, device, modifiers, touchPoints) { } |
| 204 | |
| 205 | static QMutableTouchEvent *from(QTouchEvent *e) { return static_cast<QMutableTouchEvent *>(e); } |
| 206 | |
| 207 | static QMutableTouchEvent &from(QTouchEvent &e) { return static_cast<QMutableTouchEvent &>(e); } |
| 208 | |
| 209 | void setTarget(QObject *target) { m_target = target; } |
| 210 | |
| 211 | void addPoint(const QEventPoint &point); |
| 212 | }; |
| 213 | |
| 214 | static_assert(sizeof(QMutableTouchEvent) == sizeof(QTouchEvent)); |
| 215 | |
| 216 | class Q_GUI_EXPORT QMutableSinglePointEvent : public QSinglePointEvent |
| 217 | { |
| 218 | public: |
| 219 | QMutableSinglePointEvent(Type type, const QPointingDevice *device, const QEventPoint &point, |
| 220 | Qt::MouseButton button = Qt::NoButton, Qt::MouseButtons buttons = Qt::NoButton, |
| 221 | Qt::KeyboardModifiers modifiers = Qt::NoModifier, |
| 222 | Qt::MouseEventSource source = Qt::MouseEventSynthesizedByQt) : |
| 223 | QSinglePointEvent(type, device, point, button, buttons, modifiers, source) { } |
| 224 | |
| 225 | static QMutableSinglePointEvent *from(QSinglePointEvent *e) { return static_cast<QMutableSinglePointEvent *>(e); } |
| 226 | |
| 227 | static QMutableSinglePointEvent &from(QSinglePointEvent &e) { return static_cast<QMutableSinglePointEvent &>(e); } |
| 228 | |
| 229 | QMutableEventPoint &mutablePoint() { return QMutableEventPoint::from(point(0)); } |
| 230 | |
| 231 | void setSource(Qt::MouseEventSource s) { m_source = s; } |
| 232 | |
| 233 | bool isDoubleClick() { return m_doubleClick; } |
| 234 | |
| 235 | void setDoubleClick(bool d = true) { m_doubleClick = d; } |
| 236 | }; |
| 237 | |
| 238 | static_assert(sizeof(QMutableSinglePointEvent) == sizeof(QSinglePointEvent)); |
| 239 | |
| 240 | QT_END_NAMESPACE |
| 241 | |
| 242 | #endif // QEVENT_P_H |
| 243 | |