| Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/widgets/kernel/qgesturemanager.cpp |
| Source code | Switch to Preprocessed file |
| Line | Source | Count | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | /**************************************************************************** | - | ||||||||||||
| 2 | ** | - | ||||||||||||
| 3 | ** Copyright (C) 2015 The Qt Company Ltd. | - | ||||||||||||
| 4 | ** Contact: http://www.qt.io/licensing/ | - | ||||||||||||
| 5 | ** | - | ||||||||||||
| 6 | ** This file is part of the QtWidgets module of the Qt Toolkit. | - | ||||||||||||
| 7 | ** | - | ||||||||||||
| 8 | ** $QT_BEGIN_LICENSE:LGPL21$ | - | ||||||||||||
| 9 | ** Commercial License Usage | - | ||||||||||||
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - | ||||||||||||
| 11 | ** accordance with the commercial license agreement provided with the | - | ||||||||||||
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - | ||||||||||||
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | - | ||||||||||||
| 14 | ** and conditions see http://www.qt.io/terms-conditions. For further | - | ||||||||||||
| 15 | ** information use the contact form at http://www.qt.io/contact-us. | - | ||||||||||||
| 16 | ** | - | ||||||||||||
| 17 | ** GNU Lesser General Public License Usage | - | ||||||||||||
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - | ||||||||||||
| 19 | ** General Public License version 2.1 or version 3 as published by the Free | - | ||||||||||||
| 20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | - | ||||||||||||
| 21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | - | ||||||||||||
| 22 | ** following information to ensure the GNU Lesser General Public License | - | ||||||||||||
| 23 | ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and | - | ||||||||||||
| 24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - | ||||||||||||
| 25 | ** | - | ||||||||||||
| 26 | ** As a special exception, The Qt Company gives you certain additional | - | ||||||||||||
| 27 | ** rights. These rights are described in The Qt Company LGPL Exception | - | ||||||||||||
| 28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - | ||||||||||||
| 29 | ** | - | ||||||||||||
| 30 | ** $QT_END_LICENSE$ | - | ||||||||||||
| 31 | ** | - | ||||||||||||
| 32 | ****************************************************************************/ | - | ||||||||||||
| 33 | - | |||||||||||||
| 34 | #include "private/qgesturemanager_p.h" | - | ||||||||||||
| 35 | #include "private/qstandardgestures_p.h" | - | ||||||||||||
| 36 | #include "private/qwidget_p.h" | - | ||||||||||||
| 37 | #include "private/qgesture_p.h" | - | ||||||||||||
| 38 | #include "private/qgraphicsitem_p.h" | - | ||||||||||||
| 39 | #include "private/qevent_p.h" | - | ||||||||||||
| 40 | #include "private/qapplication_p.h" | - | ||||||||||||
| 41 | #include "private/qwidgetwindow_p.h" | - | ||||||||||||
| 42 | #include "qgesture.h" | - | ||||||||||||
| 43 | #include "qevent.h" | - | ||||||||||||
| 44 | #include "qgraphicsitem.h" | - | ||||||||||||
| 45 | - | |||||||||||||
| 46 | #ifdef Q_OS_OSX | - | ||||||||||||
| 47 | #include "qmacgesturerecognizer_p.h" | - | ||||||||||||
| 48 | #endif | - | ||||||||||||
| 49 | #if defined(Q_DEAD_CODE_FROM_QT4_WIN) && !defined(QT_NO_NATIVE_GESTURES) | - | ||||||||||||
| 50 | #include "qwinnativepangesturerecognizer_win_p.h" | - | ||||||||||||
| 51 | #endif | - | ||||||||||||
| 52 | - | |||||||||||||
| 53 | #include "qdebug.h" | - | ||||||||||||
| 54 | #include <QtCore/QLoggingCategory> | - | ||||||||||||
| 55 | - | |||||||||||||
| 56 | #ifndef QT_NO_GESTURES | - | ||||||||||||
| 57 | - | |||||||||||||
| 58 | QT_BEGIN_NAMESPACE | - | ||||||||||||
| 59 | - | |||||||||||||
| 60 | Q_LOGGING_CATEGORY(lcGestureManager, "qt.widgets.gestures") never executed: return category; | 0 | ||||||||||||
| 61 | - | |||||||||||||
| 62 | #if !defined(Q_OS_OSX) | - | ||||||||||||
| 63 | static inline int panTouchPoints() | - | ||||||||||||
| 64 | { | - | ||||||||||||
| 65 | // Override by environment variable for testing. | - | ||||||||||||
| 66 | static const char panTouchPointVariable[] = "QT_PAN_TOUCHPOINTS"; | - | ||||||||||||
| 67 | if (qEnvironmentVariableIsSet(panTouchPointVariable)) {
| 0 | ||||||||||||
| 68 | bool ok; | - | ||||||||||||
| 69 | const int result = qEnvironmentVariableIntValue(panTouchPointVariable, &ok); | - | ||||||||||||
| 70 | if (ok && result >= 1)
| 0 | ||||||||||||
| 71 | return result; never executed: return result; | 0 | ||||||||||||
| 72 | qWarning() << "Ignoring invalid value of " << panTouchPointVariable; | - | ||||||||||||
| 73 | } never executed: end of block | 0 | ||||||||||||
| 74 | // Pan should use 1 finger on a touch screen and 2 fingers on touch pads etc. | - | ||||||||||||
| 75 | // where 1 finger movements are used for mouse event synthetization. For now, | - | ||||||||||||
| 76 | // default to 2 until all classes inheriting QScrollArea are fixed to handle it | - | ||||||||||||
| 77 | // correctly. | - | ||||||||||||
| 78 | return 2; never executed: return 2; | 0 | ||||||||||||
| 79 | } | - | ||||||||||||
| 80 | #endif | - | ||||||||||||
| 81 | - | |||||||||||||
| 82 | QGestureManager::QGestureManager(QObject *parent) | - | ||||||||||||
| 83 | : QObject(parent), state(NotGesture), m_lastCustomGestureId(Qt::CustomGesture) | - | ||||||||||||
| 84 | { | - | ||||||||||||
| 85 | qRegisterMetaType<Qt::GestureState>(); | - | ||||||||||||
| 86 | - | |||||||||||||
| 87 | #if defined(Q_OS_OSX) | - | ||||||||||||
| 88 | registerGestureRecognizer(new QMacSwipeGestureRecognizer); | - | ||||||||||||
| 89 | registerGestureRecognizer(new QMacPinchGestureRecognizer); | - | ||||||||||||
| 90 | registerGestureRecognizer(new QMacPanGestureRecognizer); | - | ||||||||||||
| 91 | #else | - | ||||||||||||
| 92 | registerGestureRecognizer(new QPanGestureRecognizer(panTouchPoints())); | - | ||||||||||||
| 93 | registerGestureRecognizer(new QPinchGestureRecognizer); | - | ||||||||||||
| 94 | registerGestureRecognizer(new QSwipeGestureRecognizer); | - | ||||||||||||
| 95 | registerGestureRecognizer(new QTapGestureRecognizer); | - | ||||||||||||
| 96 | #endif | - | ||||||||||||
| 97 | #if defined(Q_DEAD_CODE_FROM_QT4_WIN) | - | ||||||||||||
| 98 | #if !defined(QT_NO_NATIVE_GESTURES) | - | ||||||||||||
| 99 | if (QApplicationPrivate::HasTouchSupport) | - | ||||||||||||
| 100 | registerGestureRecognizer(new QWinNativePanGestureRecognizer); | - | ||||||||||||
| 101 | #endif | - | ||||||||||||
| 102 | #else | - | ||||||||||||
| 103 | registerGestureRecognizer(new QTapAndHoldGestureRecognizer); | - | ||||||||||||
| 104 | #endif | - | ||||||||||||
| 105 | } never executed: end of block | 0 | ||||||||||||
| 106 | - | |||||||||||||
| 107 | QGestureManager::~QGestureManager() | - | ||||||||||||
| 108 | { | - | ||||||||||||
| 109 | qDeleteAll(m_recognizers.values()); | - | ||||||||||||
| 110 | foreach (QGestureRecognizer *recognizer, m_obsoleteGestures.keys()) { | - | ||||||||||||
| 111 | qDeleteAll(m_obsoleteGestures.value(recognizer)); | - | ||||||||||||
| 112 | delete recognizer; | - | ||||||||||||
| 113 | } never executed: end of block | 0 | ||||||||||||
| 114 | m_obsoleteGestures.clear(); | - | ||||||||||||
| 115 | } never executed: end of block | 0 | ||||||||||||
| 116 | - | |||||||||||||
| 117 | Qt::GestureType QGestureManager::registerGestureRecognizer(QGestureRecognizer *recognizer) | - | ||||||||||||
| 118 | { | - | ||||||||||||
| 119 | QGesture *dummy = recognizer->create(0); | - | ||||||||||||
| 120 | if (!dummy) {
| 0 | ||||||||||||
| 121 | qWarning("QGestureManager::registerGestureRecognizer: " | - | ||||||||||||
| 122 | "the recognizer fails to create a gesture object, skipping registration."); | - | ||||||||||||
| 123 | return Qt::GestureType(0); never executed: return Qt::GestureType(0); | 0 | ||||||||||||
| 124 | } | - | ||||||||||||
| 125 | Qt::GestureType type = dummy->gestureType(); | - | ||||||||||||
| 126 | if (type == Qt::CustomGesture) {
| 0 | ||||||||||||
| 127 | // generate a new custom gesture id | - | ||||||||||||
| 128 | ++m_lastCustomGestureId; | - | ||||||||||||
| 129 | type = Qt::GestureType(m_lastCustomGestureId); | - | ||||||||||||
| 130 | } never executed: end of block | 0 | ||||||||||||
| 131 | m_recognizers.insertMulti(type, recognizer); | - | ||||||||||||
| 132 | delete dummy; | - | ||||||||||||
| 133 | return type; never executed: return type; | 0 | ||||||||||||
| 134 | } | - | ||||||||||||
| 135 | - | |||||||||||||
| 136 | void QGestureManager::unregisterGestureRecognizer(Qt::GestureType type) | - | ||||||||||||
| 137 | { | - | ||||||||||||
| 138 | QList<QGestureRecognizer *> list = m_recognizers.values(type); | - | ||||||||||||
| 139 | while (QGestureRecognizer *recognizer = m_recognizers.take(type)) {
| 0 | ||||||||||||
| 140 | if (!m_obsoleteGestures.contains(recognizer)) {
| 0 | ||||||||||||
| 141 | // inserting even an empty QSet will cause the recognizer to be deleted on destruction of the manager | - | ||||||||||||
| 142 | m_obsoleteGestures.insert(recognizer, QSet<QGesture *>()); | - | ||||||||||||
| 143 | } never executed: end of block | 0 | ||||||||||||
| 144 | } never executed: end of block | 0 | ||||||||||||
| 145 | foreach (QGesture *g, m_gestureToRecognizer.keys()) { | - | ||||||||||||
| 146 | QGestureRecognizer *recognizer = m_gestureToRecognizer.value(g); | - | ||||||||||||
| 147 | if (list.contains(recognizer)) {
| 0 | ||||||||||||
| 148 | m_deletedRecognizers.insert(g, recognizer); | - | ||||||||||||
| 149 | } never executed: end of block | 0 | ||||||||||||
| 150 | } never executed: end of block | 0 | ||||||||||||
| 151 | - | |||||||||||||
| 152 | QMap<ObjectGesture, QList<QGesture *> >::const_iterator iter = m_objectGestures.constBegin(); | - | ||||||||||||
| 153 | while (iter != m_objectGestures.constEnd()) {
| 0 | ||||||||||||
| 154 | ObjectGesture objectGesture = iter.key(); | - | ||||||||||||
| 155 | if (objectGesture.gesture == type) {
| 0 | ||||||||||||
| 156 | foreach (QGesture *g, iter.value()) { | - | ||||||||||||
| 157 | if (QGestureRecognizer *recognizer = m_gestureToRecognizer.value(g)) {
| 0 | ||||||||||||
| 158 | m_gestureToRecognizer.remove(g); | - | ||||||||||||
| 159 | m_obsoleteGestures[recognizer].insert(g); | - | ||||||||||||
| 160 | } never executed: end of block | 0 | ||||||||||||
| 161 | } never executed: end of block | 0 | ||||||||||||
| 162 | } never executed: end of block | 0 | ||||||||||||
| 163 | ++iter; | - | ||||||||||||
| 164 | } never executed: end of block | 0 | ||||||||||||
| 165 | } never executed: end of block | 0 | ||||||||||||
| 166 | - | |||||||||||||
| 167 | void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType type) | - | ||||||||||||
| 168 | { | - | ||||||||||||
| 169 | QMap<ObjectGesture, QList<QGesture *> >::Iterator iter = m_objectGestures.begin(); | - | ||||||||||||
| 170 | while (iter != m_objectGestures.end()) {
| 0 | ||||||||||||
| 171 | ObjectGesture objectGesture = iter.key(); | - | ||||||||||||
| 172 | if (objectGesture.gesture == type && target == objectGesture.object) {
| 0 | ||||||||||||
| 173 | QSet<QGesture *> gestures = iter.value().toSet(); | - | ||||||||||||
| 174 | for (QHash<QGestureRecognizer *, QSet<QGesture *> >::iterator | - | ||||||||||||
| 175 | it = m_obsoleteGestures.begin(), e = m_obsoleteGestures.end(); it != e; ++it) {
| 0 | ||||||||||||
| 176 | it.value() -= gestures; | - | ||||||||||||
| 177 | } never executed: end of block | 0 | ||||||||||||
| 178 | foreach (QGesture *g, gestures) { | - | ||||||||||||
| 179 | m_deletedRecognizers.remove(g); | - | ||||||||||||
| 180 | m_gestureToRecognizer.remove(g); | - | ||||||||||||
| 181 | m_maybeGestures.remove(g); | - | ||||||||||||
| 182 | m_activeGestures.remove(g); | - | ||||||||||||
| 183 | m_gestureOwners.remove(g); | - | ||||||||||||
| 184 | m_gestureTargets.remove(g); | - | ||||||||||||
| 185 | m_gesturesToDelete.insert(g); | - | ||||||||||||
| 186 | } never executed: end of block | 0 | ||||||||||||
| 187 | - | |||||||||||||
| 188 | iter = m_objectGestures.erase(iter); | - | ||||||||||||
| 189 | } else { never executed: end of block | 0 | ||||||||||||
| 190 | ++iter; | - | ||||||||||||
| 191 | } never executed: end of block | 0 | ||||||||||||
| 192 | } | - | ||||||||||||
| 193 | } never executed: end of block | 0 | ||||||||||||
| 194 | - | |||||||||||||
| 195 | // get or create a QGesture object that will represent the state for a given object, used by the recognizer | - | ||||||||||||
| 196 | QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recognizer, Qt::GestureType type) | - | ||||||||||||
| 197 | { | - | ||||||||||||
| 198 | // if the widget is being deleted we should be careful not to | - | ||||||||||||
| 199 | // create a new state, as it will create QWeakPointer which doesn't work | - | ||||||||||||
| 200 | // from the destructor. | - | ||||||||||||
| 201 | if (object->isWidgetType()) {
| 0 | ||||||||||||
| 202 | if (static_cast<QWidget *>(object)->d_func()->data.in_destructor)
| 0 | ||||||||||||
| 203 | return 0; never executed: return 0; | 0 | ||||||||||||
| 204 | } else if (QGesture *g = qobject_cast<QGesture *>(object)) { never executed: end of block
| 0 | ||||||||||||
| 205 | return g; never executed: return g; | 0 | ||||||||||||
| 206 | #ifndef QT_NO_GRAPHICSVIEW | - | ||||||||||||
| 207 | } else { | - | ||||||||||||
| 208 | Q_ASSERT(qobject_cast<QGraphicsObject *>(object)); | - | ||||||||||||
| 209 | QGraphicsObject *graphicsObject = static_cast<QGraphicsObject *>(object); | - | ||||||||||||
| 210 | if (graphicsObject->QGraphicsItem::d_func()->inDestructor)
| 0 | ||||||||||||
| 211 | return 0; never executed: return 0; | 0 | ||||||||||||
| 212 | #endif | - | ||||||||||||
| 213 | } never executed: end of block | 0 | ||||||||||||
| 214 | - | |||||||||||||
| 215 | // check if the QGesture for this recognizer has already been created | - | ||||||||||||
| 216 | foreach (QGesture *state, m_objectGestures.value(QGestureManager::ObjectGesture(object, type))) { | - | ||||||||||||
| 217 | if (m_gestureToRecognizer.value(state) == recognizer)
| 0 | ||||||||||||
| 218 | return state; never executed: return state; | 0 | ||||||||||||
| 219 | } never executed: end of block | 0 | ||||||||||||
| 220 | - | |||||||||||||
| 221 | Q_ASSERT(recognizer); | - | ||||||||||||
| 222 | QGesture *state = recognizer->create(object); | - | ||||||||||||
| 223 | if (!state)
| 0 | ||||||||||||
| 224 | return 0; never executed: return 0; | 0 | ||||||||||||
| 225 | state->setParent(this); | - | ||||||||||||
| 226 | if (state->gestureType() == Qt::CustomGesture) {
| 0 | ||||||||||||
| 227 | // if the recognizer didn't fill in the gesture type, then this | - | ||||||||||||
| 228 | // is a custom gesture with autogenerated id and we fill it. | - | ||||||||||||
| 229 | state->d_func()->gestureType = type; | - | ||||||||||||
| 230 | if (lcGestureManager().isDebugEnabled())
| 0 | ||||||||||||
| 231 | state->setObjectName(QString::number((int)type)); never executed: state->setObjectName(QString::number((int)type)); | 0 | ||||||||||||
| 232 | } never executed: end of block | 0 | ||||||||||||
| 233 | m_objectGestures[QGestureManager::ObjectGesture(object, type)].append(state); | - | ||||||||||||
| 234 | m_gestureToRecognizer[state] = recognizer; | - | ||||||||||||
| 235 | m_gestureOwners[state] = object; | - | ||||||||||||
| 236 | - | |||||||||||||
| 237 | return state; never executed: return state; | 0 | ||||||||||||
| 238 | } | - | ||||||||||||
| 239 | - | |||||||||||||
| 240 | bool QGestureManager::filterEventThroughContexts(const QMultiMap<QObject *, | - | ||||||||||||
| 241 | Qt::GestureType> &contexts, | - | ||||||||||||
| 242 | QEvent *event) | - | ||||||||||||
| 243 | { | - | ||||||||||||
| 244 | QSet<QGesture *> triggeredGestures; | - | ||||||||||||
| 245 | QSet<QGesture *> finishedGestures; | - | ||||||||||||
| 246 | QSet<QGesture *> newMaybeGestures; | - | ||||||||||||
| 247 | QSet<QGesture *> notGestures; | - | ||||||||||||
| 248 | - | |||||||||||||
| 249 | // TODO: sort contexts by the gesture type and check if one of the contexts | - | ||||||||||||
| 250 | // is already active. | - | ||||||||||||
| 251 | - | |||||||||||||
| 252 | bool consumeEventHint = false; | - | ||||||||||||
| 253 | - | |||||||||||||
| 254 | // filter the event through recognizers | - | ||||||||||||
| 255 | typedef QMultiMap<QObject *, Qt::GestureType>::const_iterator ContextIterator; | - | ||||||||||||
| 256 | ContextIterator contextEnd = contexts.end(); | - | ||||||||||||
| 257 | for (ContextIterator context = contexts.begin(); context != contextEnd; ++context) {
| 0 | ||||||||||||
| 258 | Qt::GestureType gestureType = context.value(); | - | ||||||||||||
| 259 | const QMap<Qt::GestureType, QGestureRecognizer *> &const_recognizers = m_recognizers; | - | ||||||||||||
| 260 | QMap<Qt::GestureType, QGestureRecognizer *>::const_iterator | - | ||||||||||||
| 261 | typeToRecognizerIterator = const_recognizers.lowerBound(gestureType), | - | ||||||||||||
| 262 | typeToRecognizerEnd = const_recognizers.upperBound(gestureType); | - | ||||||||||||
| 263 | for (; typeToRecognizerIterator != typeToRecognizerEnd; ++typeToRecognizerIterator) {
| 0 | ||||||||||||
| 264 | QGestureRecognizer *recognizer = typeToRecognizerIterator.value(); | - | ||||||||||||
| 265 | QObject *target = context.key(); | - | ||||||||||||
| 266 | QGesture *state = getState(target, recognizer, gestureType); | - | ||||||||||||
| 267 | if (!state)
| 0 | ||||||||||||
| 268 | continue; never executed: continue; | 0 | ||||||||||||
| 269 | QGestureRecognizer::Result recognizerResult = recognizer->recognize(state, target, event); | - | ||||||||||||
| 270 | QGestureRecognizer::Result recognizerState = recognizerResult & QGestureRecognizer::ResultState_Mask; | - | ||||||||||||
| 271 | QGestureRecognizer::Result resultHint = recognizerResult & QGestureRecognizer::ResultHint_Mask; | - | ||||||||||||
| 272 | if (recognizerState == QGestureRecognizer::TriggerGesture) {
| 0 | ||||||||||||
| 273 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: gesture triggered: " << state << event; never executed: QMessageLogger(__FILE__, 273, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: gesture triggered: " << state << event;
| 0 | ||||||||||||
| 274 | triggeredGestures << state; | - | ||||||||||||
| 275 | } else if (recognizerState == QGestureRecognizer::FinishGesture) { never executed: end of block
| 0 | ||||||||||||
| 276 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: gesture finished: " << state << event; never executed: QMessageLogger(__FILE__, 276, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: gesture finished: " << state << event;
| 0 | ||||||||||||
| 277 | finishedGestures << state; | - | ||||||||||||
| 278 | } else if (recognizerState == QGestureRecognizer::MayBeGesture) { never executed: end of block
| 0 | ||||||||||||
| 279 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: maybe gesture: " << state << event; never executed: QMessageLogger(__FILE__, 279, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: maybe gesture: " << state << event;
| 0 | ||||||||||||
| 280 | newMaybeGestures << state; | - | ||||||||||||
| 281 | } else if (recognizerState == QGestureRecognizer::CancelGesture) { never executed: end of block
| 0 | ||||||||||||
| 282 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: not gesture: " << state << event; never executed: QMessageLogger(__FILE__, 282, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: not gesture: " << state << event;
| 0 | ||||||||||||
| 283 | notGestures << state; | - | ||||||||||||
| 284 | } else if (recognizerState == QGestureRecognizer::Ignore) { never executed: end of block
| 0 | ||||||||||||
| 285 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: ignored the event: " << state << event; never executed: QMessageLogger(__FILE__, 285, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: ignored the event: " << state << event;
| 0 | ||||||||||||
| 286 | } else { never executed: end of block | 0 | ||||||||||||
| 287 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: hm, lets assume the recognizer" never executed: QMessageLogger(__FILE__, 287, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: hm, lets assume the recognizer" << "ignored the event: " << state << event;
| 0 | ||||||||||||
| 288 | << "ignored the event: " << state << event; never executed: QMessageLogger(__FILE__, 287, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: hm, lets assume the recognizer" << "ignored the event: " << state << event; | 0 | ||||||||||||
| 289 | } never executed: end of block | 0 | ||||||||||||
| 290 | if (resultHint & QGestureRecognizer::ConsumeEventHint) {
| 0 | ||||||||||||
| 291 | qCDebug(lcGestureManager) << "QGestureManager: we were asked to consume the event: " never executed: QMessageLogger(__FILE__, 291, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager: we were asked to consume the event: " << state << event;
| 0 | ||||||||||||
| 292 | << state << event; never executed: QMessageLogger(__FILE__, 291, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager: we were asked to consume the event: " << state << event; | 0 | ||||||||||||
| 293 | consumeEventHint = true; | - | ||||||||||||
| 294 | } never executed: end of block | 0 | ||||||||||||
| 295 | } never executed: end of block | 0 | ||||||||||||
| 296 | } never executed: end of block | 0 | ||||||||||||
| 297 | if (!triggeredGestures.isEmpty() || !finishedGestures.isEmpty()
| 0 | ||||||||||||
| 298 | || !newMaybeGestures.isEmpty() || !notGestures.isEmpty()) {
| 0 | ||||||||||||
| 299 | QSet<QGesture *> startedGestures = triggeredGestures - m_activeGestures; | - | ||||||||||||
| 300 | triggeredGestures &= m_activeGestures; | - | ||||||||||||
| 301 | - | |||||||||||||
| 302 | // check if a running gesture switched back to maybe state | - | ||||||||||||
| 303 | QSet<QGesture *> activeToMaybeGestures = m_activeGestures & newMaybeGestures; | - | ||||||||||||
| 304 | - | |||||||||||||
| 305 | // check if a maybe gesture switched to canceled - reset it but don't send an event | - | ||||||||||||
| 306 | QSet<QGesture *> maybeToCanceledGestures = m_maybeGestures & notGestures; | - | ||||||||||||
| 307 | - | |||||||||||||
| 308 | // check if a running gesture switched back to not gesture state, | - | ||||||||||||
| 309 | // i.e. were canceled | - | ||||||||||||
| 310 | QSet<QGesture *> canceledGestures = m_activeGestures & notGestures; | - | ||||||||||||
| 311 | - | |||||||||||||
| 312 | // new gestures in maybe state | - | ||||||||||||
| 313 | m_maybeGestures += newMaybeGestures; | - | ||||||||||||
| 314 | - | |||||||||||||
| 315 | // gestures that were in maybe state | - | ||||||||||||
| 316 | QSet<QGesture *> notMaybeGestures = (startedGestures | triggeredGestures | - | ||||||||||||
| 317 | | finishedGestures | canceledGestures | - | ||||||||||||
| 318 | | notGestures); | - | ||||||||||||
| 319 | m_maybeGestures -= notMaybeGestures; | - | ||||||||||||
| 320 | - | |||||||||||||
| 321 | Q_ASSERT((startedGestures & finishedGestures).isEmpty()); | - | ||||||||||||
| 322 | Q_ASSERT((startedGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 323 | Q_ASSERT((startedGestures & canceledGestures).isEmpty()); | - | ||||||||||||
| 324 | Q_ASSERT((finishedGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 325 | Q_ASSERT((finishedGestures & canceledGestures).isEmpty()); | - | ||||||||||||
| 326 | Q_ASSERT((canceledGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 327 | - | |||||||||||||
| 328 | QSet<QGesture *> notStarted = finishedGestures - m_activeGestures; | - | ||||||||||||
| 329 | if (!notStarted.isEmpty()) {
| 0 | ||||||||||||
| 330 | // there are some gestures that claim to be finished, but never started. | - | ||||||||||||
| 331 | // probably those are "singleshot" gestures so we'll fake the started state. | - | ||||||||||||
| 332 | foreach (QGesture *gesture, notStarted) | - | ||||||||||||
| 333 | gesture->d_func()->state = Qt::GestureStarted; never executed: gesture->d_func()->state = Qt::GestureStarted; | 0 | ||||||||||||
| 334 | QSet<QGesture *> undeliveredGestures; | - | ||||||||||||
| 335 | deliverEvents(notStarted, &undeliveredGestures); | - | ||||||||||||
| 336 | finishedGestures -= undeliveredGestures; | - | ||||||||||||
| 337 | } never executed: end of block | 0 | ||||||||||||
| 338 | - | |||||||||||||
| 339 | m_activeGestures += startedGestures; | - | ||||||||||||
| 340 | // sanity check: all triggered gestures should already be in active gestures list | - | ||||||||||||
| 341 | Q_ASSERT((m_activeGestures & triggeredGestures).size() == triggeredGestures.size()); | - | ||||||||||||
| 342 | m_activeGestures -= finishedGestures; | - | ||||||||||||
| 343 | m_activeGestures -= activeToMaybeGestures; | - | ||||||||||||
| 344 | m_activeGestures -= canceledGestures; | - | ||||||||||||
| 345 | - | |||||||||||||
| 346 | // set the proper gesture state on each gesture | - | ||||||||||||
| 347 | foreach (QGesture *gesture, startedGestures) | - | ||||||||||||
| 348 | gesture->d_func()->state = Qt::GestureStarted; never executed: gesture->d_func()->state = Qt::GestureStarted; | 0 | ||||||||||||
| 349 | foreach (QGesture *gesture, triggeredGestures) | - | ||||||||||||
| 350 | gesture->d_func()->state = Qt::GestureUpdated; never executed: gesture->d_func()->state = Qt::GestureUpdated; | 0 | ||||||||||||
| 351 | foreach (QGesture *gesture, finishedGestures) | - | ||||||||||||
| 352 | gesture->d_func()->state = Qt::GestureFinished; never executed: gesture->d_func()->state = Qt::GestureFinished; | 0 | ||||||||||||
| 353 | foreach (QGesture *gesture, canceledGestures) | - | ||||||||||||
| 354 | gesture->d_func()->state = Qt::GestureCanceled; never executed: gesture->d_func()->state = Qt::GestureCanceled; | 0 | ||||||||||||
| 355 | foreach (QGesture *gesture, activeToMaybeGestures) | - | ||||||||||||
| 356 | gesture->d_func()->state = Qt::GestureFinished; never executed: gesture->d_func()->state = Qt::GestureFinished; | 0 | ||||||||||||
| 357 | - | |||||||||||||
| 358 | if (!m_activeGestures.isEmpty() || !m_maybeGestures.isEmpty() ||
| 0 | ||||||||||||
| 359 | !startedGestures.isEmpty() || !triggeredGestures.isEmpty() ||
| 0 | ||||||||||||
| 360 | !finishedGestures.isEmpty() || !canceledGestures.isEmpty()) {
| 0 | ||||||||||||
| 361 | qCDebug(lcGestureManager) << "QGestureManager::filterEventThroughContexts:" never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures;
| 0 | ||||||||||||
| 362 | << "\n\tactiveGestures:" << m_activeGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 363 | << "\n\tmaybeGestures:" << m_maybeGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 364 | << "\n\tstarted:" << startedGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 365 | << "\n\ttriggered:" << triggeredGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 366 | << "\n\tfinished:" << finishedGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 367 | << "\n\tcanceled:" << canceledGestures never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 368 | << "\n\tmaybe-canceled:" << maybeToCanceledGestures; never executed: QMessageLogger(__FILE__, 361, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::filterEventThroughContexts:" << "\n\tactiveGestures:" << m_activeGestures << "\n\tmaybeGestures:" << m_maybeGestures << "\n\tstarted:" << startedGestures << "\n\ttriggered:" << triggeredGestures << "\n\tfinished:" << finishedGestures << "\n\tcanceled:" << canceledGestures << "\n\tmaybe-canceled:" << maybeToCanceledGestures; | 0 | ||||||||||||
| 369 | } never executed: end of block | 0 | ||||||||||||
| 370 | - | |||||||||||||
| 371 | QSet<QGesture *> undeliveredGestures; | - | ||||||||||||
| 372 | deliverEvents(startedGestures+triggeredGestures+finishedGestures+canceledGestures, | - | ||||||||||||
| 373 | &undeliveredGestures); | - | ||||||||||||
| 374 | - | |||||||||||||
| 375 | foreach (QGesture *g, startedGestures) { | - | ||||||||||||
| 376 | if (undeliveredGestures.contains(g))
| 0 | ||||||||||||
| 377 | continue; never executed: continue; | 0 | ||||||||||||
| 378 | if (g->gestureCancelPolicy() == QGesture::CancelAllInContext) {
| 0 | ||||||||||||
| 379 | qCDebug(lcGestureManager) << "lets try to cancel some"; never executed: QMessageLogger(__FILE__, 379, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "lets try to cancel some";
| 0 | ||||||||||||
| 380 | // find gestures in context in Qt::GestureStarted or Qt::GestureUpdated state and cancel them | - | ||||||||||||
| 381 | cancelGesturesForChildren(g); | - | ||||||||||||
| 382 | } never executed: end of block | 0 | ||||||||||||
| 383 | } never executed: end of block | 0 | ||||||||||||
| 384 | - | |||||||||||||
| 385 | m_activeGestures -= undeliveredGestures; | - | ||||||||||||
| 386 | - | |||||||||||||
| 387 | // reset gestures that ended | - | ||||||||||||
| 388 | QSet<QGesture *> endedGestures = | - | ||||||||||||
| 389 | finishedGestures + canceledGestures + undeliveredGestures + maybeToCanceledGestures; | - | ||||||||||||
| 390 | foreach (QGesture *gesture, endedGestures) { | - | ||||||||||||
| 391 | recycle(gesture); | - | ||||||||||||
| 392 | m_gestureTargets.remove(gesture); | - | ||||||||||||
| 393 | } never executed: end of block | 0 | ||||||||||||
| 394 | } never executed: end of block | 0 | ||||||||||||
| 395 | //Clean up the Gestures | - | ||||||||||||
| 396 | qDeleteAll(m_gesturesToDelete); | - | ||||||||||||
| 397 | m_gesturesToDelete.clear(); | - | ||||||||||||
| 398 | - | |||||||||||||
| 399 | return consumeEventHint; never executed: return consumeEventHint; | 0 | ||||||||||||
| 400 | } | - | ||||||||||||
| 401 | - | |||||||||||||
| 402 | // Cancel all gestures of children of the widget that original is associated with | - | ||||||||||||
| 403 | void QGestureManager::cancelGesturesForChildren(QGesture *original) | - | ||||||||||||
| 404 | { | - | ||||||||||||
| 405 | Q_ASSERT(original); | - | ||||||||||||
| 406 | QWidget *originatingWidget = m_gestureTargets.value(original); | - | ||||||||||||
| 407 | Q_ASSERT(originatingWidget); | - | ||||||||||||
| 408 | if (!originatingWidget)
| 0 | ||||||||||||
| 409 | return; never executed: return; | 0 | ||||||||||||
| 410 | - | |||||||||||||
| 411 | // iterate over all active gestures and all maybe gestures | - | ||||||||||||
| 412 | // for each find the owner | - | ||||||||||||
| 413 | // if the owner is part of our sub-hierarchy, cancel it. | - | ||||||||||||
| 414 | - | |||||||||||||
| 415 | QSet<QGesture*> cancelledGestures; | - | ||||||||||||
| 416 | QSet<QGesture*>::Iterator iter = m_activeGestures.begin(); | - | ||||||||||||
| 417 | while (iter != m_activeGestures.end()) {
| 0 | ||||||||||||
| 418 | QWidget *widget = m_gestureTargets.value(*iter); | - | ||||||||||||
| 419 | // note that we don't touch the gestures for our originatingWidget | - | ||||||||||||
| 420 | if (widget != originatingWidget && originatingWidget->isAncestorOf(widget)) {
| 0 | ||||||||||||
| 421 | qCDebug(lcGestureManager) << " found a gesture to cancel" << (*iter); never executed: QMessageLogger(__FILE__, 421, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << " found a gesture to cancel" << (*iter);
| 0 | ||||||||||||
| 422 | (*iter)->d_func()->state = Qt::GestureCanceled; | - | ||||||||||||
| 423 | cancelledGestures << *iter; | - | ||||||||||||
| 424 | iter = m_activeGestures.erase(iter); | - | ||||||||||||
| 425 | } else { never executed: end of block | 0 | ||||||||||||
| 426 | ++iter; | - | ||||||||||||
| 427 | } never executed: end of block | 0 | ||||||||||||
| 428 | } | - | ||||||||||||
| 429 | - | |||||||||||||
| 430 | // TODO handle 'maybe' gestures too | - | ||||||||||||
| 431 | - | |||||||||||||
| 432 | // sort them per target widget by cherry picking from almostCanceledGestures and delivering | - | ||||||||||||
| 433 | QSet<QGesture *> almostCanceledGestures = cancelledGestures; | - | ||||||||||||
| 434 | while (!almostCanceledGestures.isEmpty()) {
| 0 | ||||||||||||
| 435 | QWidget *target = 0; | - | ||||||||||||
| 436 | QSet<QGesture*> gestures; | - | ||||||||||||
| 437 | iter = almostCanceledGestures.begin(); | - | ||||||||||||
| 438 | // sort per target widget | - | ||||||||||||
| 439 | while (iter != almostCanceledGestures.end()) {
| 0 | ||||||||||||
| 440 | QWidget *widget = m_gestureTargets.value(*iter); | - | ||||||||||||
| 441 | if (target == 0)
| 0 | ||||||||||||
| 442 | target = widget; never executed: target = widget; | 0 | ||||||||||||
| 443 | if (target == widget) {
| 0 | ||||||||||||
| 444 | gestures << *iter; | - | ||||||||||||
| 445 | iter = almostCanceledGestures.erase(iter); | - | ||||||||||||
| 446 | } else { never executed: end of block | 0 | ||||||||||||
| 447 | ++iter; | - | ||||||||||||
| 448 | } never executed: end of block | 0 | ||||||||||||
| 449 | } | - | ||||||||||||
| 450 | Q_ASSERT(target); | - | ||||||||||||
| 451 | - | |||||||||||||
| 452 | QSet<QGesture*> undeliveredGestures; | - | ||||||||||||
| 453 | deliverEvents(gestures, &undeliveredGestures); | - | ||||||||||||
| 454 | } never executed: end of block | 0 | ||||||||||||
| 455 | - | |||||||||||||
| 456 | for (iter = cancelledGestures.begin(); iter != cancelledGestures.end(); ++iter)
| 0 | ||||||||||||
| 457 | recycle(*iter); never executed: recycle(*iter); | 0 | ||||||||||||
| 458 | } never executed: end of block | 0 | ||||||||||||
| 459 | - | |||||||||||||
| 460 | void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture) | - | ||||||||||||
| 461 | { | - | ||||||||||||
| 462 | QGestureRecognizer *recognizer = m_deletedRecognizers.value(gesture); | - | ||||||||||||
| 463 | if(!recognizer) //The Gesture is removed while in the even loop, so the recognizers for this gestures was removed
| 0 | ||||||||||||
| 464 | return; never executed: return; | 0 | ||||||||||||
| 465 | m_deletedRecognizers.remove(gesture); | - | ||||||||||||
| 466 | if (m_deletedRecognizers.keys(recognizer).isEmpty()) {
| 0 | ||||||||||||
| 467 | // no more active gestures, cleanup! | - | ||||||||||||
| 468 | qDeleteAll(m_obsoleteGestures.value(recognizer)); | - | ||||||||||||
| 469 | m_obsoleteGestures.remove(recognizer); | - | ||||||||||||
| 470 | delete recognizer; | - | ||||||||||||
| 471 | } never executed: end of block | 0 | ||||||||||||
| 472 | } never executed: end of block | 0 | ||||||||||||
| 473 | - | |||||||||||||
| 474 | // return true if accepted (consumed) | - | ||||||||||||
| 475 | bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event) | - | ||||||||||||
| 476 | { | - | ||||||||||||
| 477 | QMap<Qt::GestureType, int> types; | - | ||||||||||||
| 478 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 479 | QWidget *w = receiver; | - | ||||||||||||
| 480 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 481 | if (!w->d_func()->gestureContext.isEmpty()) {
| 0 | ||||||||||||
| 482 | for(ContextIterator it = w->d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 483 | e = w->d_func()->gestureContext.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 484 | types.insert(it.key(), 0); | - | ||||||||||||
| 485 | contexts.insertMulti(w, it.key()); | - | ||||||||||||
| 486 | } never executed: end of block | 0 | ||||||||||||
| 487 | } never executed: end of block | 0 | ||||||||||||
| 488 | // find all gesture contexts for the widget tree | - | ||||||||||||
| 489 | w = w->isWindow() ? 0 : w->parentWidget();
| 0 | ||||||||||||
| 490 | while (w)
| 0 | ||||||||||||
| 491 | { | - | ||||||||||||
| 492 | for (ContextIterator it = w->d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 493 | e = w->d_func()->gestureContext.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 494 | if (!(it.value() & Qt::DontStartGestureOnChildren)) {
| 0 | ||||||||||||
| 495 | if (!types.contains(it.key())) {
| 0 | ||||||||||||
| 496 | types.insert(it.key(), 0); | - | ||||||||||||
| 497 | contexts.insertMulti(w, it.key()); | - | ||||||||||||
| 498 | } never executed: end of block | 0 | ||||||||||||
| 499 | } never executed: end of block | 0 | ||||||||||||
| 500 | } never executed: end of block | 0 | ||||||||||||
| 501 | if (w->isWindow())
| 0 | ||||||||||||
| 502 | break; never executed: break; | 0 | ||||||||||||
| 503 | w = w->parentWidget(); | - | ||||||||||||
| 504 | } never executed: end of block | 0 | ||||||||||||
| 505 | return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); never executed: return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
| 0 | ||||||||||||
| 506 | } | - | ||||||||||||
| 507 | - | |||||||||||||
| 508 | #ifndef QT_NO_GRAPHICSVIEW | - | ||||||||||||
| 509 | bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event) | - | ||||||||||||
| 510 | { | - | ||||||||||||
| 511 | QMap<Qt::GestureType, int> types; | - | ||||||||||||
| 512 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 513 | QGraphicsObject *item = receiver; | - | ||||||||||||
| 514 | if (!item->QGraphicsItem::d_func()->gestureContext.isEmpty()) {
| 0 | ||||||||||||
| 515 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 516 | for(ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 517 | e = item->QGraphicsItem::d_func()->gestureContext.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 518 | types.insert(it.key(), 0); | - | ||||||||||||
| 519 | contexts.insertMulti(item, it.key()); | - | ||||||||||||
| 520 | } never executed: end of block | 0 | ||||||||||||
| 521 | } never executed: end of block | 0 | ||||||||||||
| 522 | // find all gesture contexts for the graphics object tree | - | ||||||||||||
| 523 | item = item->parentObject(); | - | ||||||||||||
| 524 | while (item)
| 0 | ||||||||||||
| 525 | { | - | ||||||||||||
| 526 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 527 | for (ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 528 | e = item->QGraphicsItem::d_func()->gestureContext.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 529 | if (!(it.value() & Qt::DontStartGestureOnChildren)) {
| 0 | ||||||||||||
| 530 | if (!types.contains(it.key())) {
| 0 | ||||||||||||
| 531 | types.insert(it.key(), 0); | - | ||||||||||||
| 532 | contexts.insertMulti(item, it.key()); | - | ||||||||||||
| 533 | } never executed: end of block | 0 | ||||||||||||
| 534 | } never executed: end of block | 0 | ||||||||||||
| 535 | } never executed: end of block | 0 | ||||||||||||
| 536 | item = item->parentObject(); | - | ||||||||||||
| 537 | } never executed: end of block | 0 | ||||||||||||
| 538 | return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); never executed: return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event);
| 0 | ||||||||||||
| 539 | } | - | ||||||||||||
| 540 | #endif | - | ||||||||||||
| 541 | - | |||||||||||||
| 542 | bool QGestureManager::filterEvent(QObject *receiver, QEvent *event) | - | ||||||||||||
| 543 | { | - | ||||||||||||
| 544 | // if the receiver is actually a widget, we need to call the correct event | - | ||||||||||||
| 545 | // filter method. | - | ||||||||||||
| 546 | QWidgetWindow *widgetWindow = qobject_cast<QWidgetWindow *>(receiver); | - | ||||||||||||
| 547 | - | |||||||||||||
| 548 | if (widgetWindow && widgetWindow->widget())
| 0 | ||||||||||||
| 549 | return filterEvent(widgetWindow->widget(), event); never executed: return filterEvent(widgetWindow->widget(), event); | 0 | ||||||||||||
| 550 | - | |||||||||||||
| 551 | QGesture *state = qobject_cast<QGesture *>(receiver); | - | ||||||||||||
| 552 | if (!state || !m_gestureToRecognizer.contains(state))
| 0 | ||||||||||||
| 553 | return false; never executed: return false; | 0 | ||||||||||||
| 554 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 555 | contexts.insert(state, state->gestureType()); | - | ||||||||||||
| 556 | return filterEventThroughContexts(contexts, event); never executed: return filterEventThroughContexts(contexts, event); | 0 | ||||||||||||
| 557 | } | - | ||||||||||||
| 558 | - | |||||||||||||
| 559 | void QGestureManager::getGestureTargets(const QSet<QGesture*> &gestures, | - | ||||||||||||
| 560 | QHash<QWidget *, QList<QGesture *> > *conflicts, | - | ||||||||||||
| 561 | QHash<QWidget *, QList<QGesture *> > *normal) | - | ||||||||||||
| 562 | { | - | ||||||||||||
| 563 | typedef QHash<Qt::GestureType, QHash<QWidget *, QGesture *> > GestureByTypes; | - | ||||||||||||
| 564 | GestureByTypes gestureByTypes; | - | ||||||||||||
| 565 | - | |||||||||||||
| 566 | // sort gestures by types | - | ||||||||||||
| 567 | foreach (QGesture *gesture, gestures) { | - | ||||||||||||
| 568 | QWidget *receiver = m_gestureTargets.value(gesture, 0); | - | ||||||||||||
| 569 | Q_ASSERT(receiver); | - | ||||||||||||
| 570 | if (receiver)
| 0 | ||||||||||||
| 571 | gestureByTypes[gesture->gestureType()].insert(receiver, gesture); never executed: gestureByTypes[gesture->gestureType()].insert(receiver, gesture); | 0 | ||||||||||||
| 572 | } never executed: end of block | 0 | ||||||||||||
| 573 | - | |||||||||||||
| 574 | // for each gesture type | - | ||||||||||||
| 575 | for (GestureByTypes::const_iterator git = gestureByTypes.cbegin(), gend = gestureByTypes.cend(); git != gend; ++git) {
| 0 | ||||||||||||
| 576 | const QHash<QWidget *, QGesture *> &gestures = git.value(); | - | ||||||||||||
| 577 | for (QHash<QWidget *, QGesture *>::const_iterator wit = gestures.cbegin(), wend = gestures.cend(); wit != wend; ++wit) {
| 0 | ||||||||||||
| 578 | QWidget *widget = wit.key(); | - | ||||||||||||
| 579 | QWidget *w = widget->parentWidget(); | - | ||||||||||||
| 580 | while (w) {
| 0 | ||||||||||||
| 581 | QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator it | - | ||||||||||||
| 582 | = w->d_func()->gestureContext.constFind(git.key()); | - | ||||||||||||
| 583 | if (it != w->d_func()->gestureContext.constEnd()) {
| 0 | ||||||||||||
| 584 | // i.e. 'w' listens to gesture 'type' | - | ||||||||||||
| 585 | if (!(it.value() & Qt::DontStartGestureOnChildren) && w != widget) {
| 0 | ||||||||||||
| 586 | // conflicting gesture! | - | ||||||||||||
| 587 | (*conflicts)[widget].append(wit.value()); | - | ||||||||||||
| 588 | break; never executed: break; | 0 | ||||||||||||
| 589 | } | - | ||||||||||||
| 590 | } never executed: end of block | 0 | ||||||||||||
| 591 | if (w->isWindow()) {
| 0 | ||||||||||||
| 592 | w = 0; | - | ||||||||||||
| 593 | break; never executed: break; | 0 | ||||||||||||
| 594 | } | - | ||||||||||||
| 595 | w = w->parentWidget(); | - | ||||||||||||
| 596 | } never executed: end of block | 0 | ||||||||||||
| 597 | if (!w)
| 0 | ||||||||||||
| 598 | (*normal)[widget].append(wit.value()); never executed: (*normal)[widget].append(wit.value()); | 0 | ||||||||||||
| 599 | } never executed: end of block | 0 | ||||||||||||
| 600 | } never executed: end of block | 0 | ||||||||||||
| 601 | } never executed: end of block | 0 | ||||||||||||
| 602 | - | |||||||||||||
| 603 | void QGestureManager::deliverEvents(const QSet<QGesture *> &gestures, | - | ||||||||||||
| 604 | QSet<QGesture *> *undeliveredGestures) | - | ||||||||||||
| 605 | { | - | ||||||||||||
| 606 | if (gestures.isEmpty())
| 0 | ||||||||||||
| 607 | return; never executed: return; | 0 | ||||||||||||
| 608 | - | |||||||||||||
| 609 | typedef QHash<QWidget *, QList<QGesture *> > GesturesPerWidget; | - | ||||||||||||
| 610 | GesturesPerWidget conflictedGestures; | - | ||||||||||||
| 611 | GesturesPerWidget normalStartedGestures; | - | ||||||||||||
| 612 | - | |||||||||||||
| 613 | QSet<QGesture *> startedGestures; | - | ||||||||||||
| 614 | // first figure out the initial receivers of gestures | - | ||||||||||||
| 615 | for (QSet<QGesture *>::const_iterator it = gestures.begin(), | - | ||||||||||||
| 616 | e = gestures.end(); it != e; ++it) {
| 0 | ||||||||||||
| 617 | QGesture *gesture = *it; | - | ||||||||||||
| 618 | QWidget *target = m_gestureTargets.value(gesture, 0); | - | ||||||||||||
| 619 | if (!target) {
| 0 | ||||||||||||
| 620 | // the gesture has just started and doesn't have a target yet. | - | ||||||||||||
| 621 | Q_ASSERT(gesture->state() == Qt::GestureStarted); | - | ||||||||||||
| 622 | if (gesture->hasHotSpot()) {
| 0 | ||||||||||||
| 623 | // guess the target widget using the hotspot of the gesture | - | ||||||||||||
| 624 | QPoint pt = gesture->hotSpot().toPoint(); | - | ||||||||||||
| 625 | if (QWidget *topLevel = QApplication::topLevelAt(pt)) {
| 0 | ||||||||||||
| 626 | QWidget *child = topLevel->childAt(topLevel->mapFromGlobal(pt)); | - | ||||||||||||
| 627 | target = child ? child : topLevel;
| 0 | ||||||||||||
| 628 | } never executed: end of block | 0 | ||||||||||||
| 629 | } else { never executed: end of block | 0 | ||||||||||||
| 630 | // or use the context of the gesture | - | ||||||||||||
| 631 | QObject *context = m_gestureOwners.value(gesture, 0); | - | ||||||||||||
| 632 | if (context->isWidgetType())
| 0 | ||||||||||||
| 633 | target = static_cast<QWidget *>(context); never executed: target = static_cast<QWidget *>(context); | 0 | ||||||||||||
| 634 | } never executed: end of block | 0 | ||||||||||||
| 635 | if (target)
| 0 | ||||||||||||
| 636 | m_gestureTargets.insert(gesture, target); never executed: m_gestureTargets.insert(gesture, target); | 0 | ||||||||||||
| 637 | } never executed: end of block | 0 | ||||||||||||
| 638 | - | |||||||||||||
| 639 | Qt::GestureType gestureType = gesture->gestureType(); | - | ||||||||||||
| 640 | Q_ASSERT(gestureType != Qt::CustomGesture); | - | ||||||||||||
| 641 | Q_UNUSED(gestureType); | - | ||||||||||||
| 642 | - | |||||||||||||
| 643 | if (target) {
| 0 | ||||||||||||
| 644 | if (gesture->state() == Qt::GestureStarted) {
| 0 | ||||||||||||
| 645 | startedGestures.insert(gesture); | - | ||||||||||||
| 646 | } else { never executed: end of block | 0 | ||||||||||||
| 647 | normalStartedGestures[target].append(gesture); | - | ||||||||||||
| 648 | } never executed: end of block | 0 | ||||||||||||
| 649 | } else { | - | ||||||||||||
| 650 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvent: could not find the target for gesture" never executed: QMessageLogger(__FILE__, 650, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvent: could not find the target for gesture" << gesture->gestureType();
| 0 | ||||||||||||
| 651 | << gesture->gestureType(); never executed: QMessageLogger(__FILE__, 650, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvent: could not find the target for gesture" << gesture->gestureType(); | 0 | ||||||||||||
| 652 | qWarning("QGestureManager::deliverEvent: could not find the target for gesture"); | - | ||||||||||||
| 653 | undeliveredGestures->insert(gesture); | - | ||||||||||||
| 654 | } never executed: end of block | 0 | ||||||||||||
| 655 | } | - | ||||||||||||
| 656 | - | |||||||||||||
| 657 | getGestureTargets(startedGestures, &conflictedGestures, &normalStartedGestures); | - | ||||||||||||
| 658 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents:" never executed: QMessageLogger(__FILE__, 658, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n";
| 0 | ||||||||||||
| 659 | << "\nstarted: " << startedGestures never executed: QMessageLogger(__FILE__, 658, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 660 | << "\nconflicted: " << conflictedGestures never executed: QMessageLogger(__FILE__, 658, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 661 | << "\nnormal: " << normalStartedGestures never executed: QMessageLogger(__FILE__, 658, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 662 | << "\n"; never executed: QMessageLogger(__FILE__, 658, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 663 | - | |||||||||||||
| 664 | // if there are conflicting gestures, send the GestureOverride event | - | ||||||||||||
| 665 | for (GesturesPerWidget::const_iterator it = conflictedGestures.constBegin(), | - | ||||||||||||
| 666 | e = conflictedGestures.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 667 | QWidget *receiver = it.key(); | - | ||||||||||||
| 668 | QList<QGesture *> gestures = it.value(); | - | ||||||||||||
| 669 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents: sending GestureOverride to" never executed: QMessageLogger(__FILE__, 669, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures;
| 0 | ||||||||||||
| 670 | << receiver never executed: QMessageLogger(__FILE__, 669, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures; | 0 | ||||||||||||
| 671 | << "gestures:" << gestures; never executed: QMessageLogger(__FILE__, 669, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures; | 0 | ||||||||||||
| 672 | QGestureEvent event(gestures); | - | ||||||||||||
| 673 | event.t = QEvent::GestureOverride; | - | ||||||||||||
| 674 | // mark event and individual gestures as ignored | - | ||||||||||||
| 675 | event.ignore(); | - | ||||||||||||
| 676 | foreach(QGesture *g, gestures) | - | ||||||||||||
| 677 | event.setAccepted(g, false); never executed: event.setAccepted(g, false); | 0 | ||||||||||||
| 678 | - | |||||||||||||
| 679 | QApplication::sendEvent(receiver, &event); | - | ||||||||||||
| 680 | bool eventAccepted = event.isAccepted(); | - | ||||||||||||
| 681 | foreach(QGesture *gesture, event.gestures()) { | - | ||||||||||||
| 682 | if (eventAccepted || event.isAccepted(gesture)) {
| 0 | ||||||||||||
| 683 | QWidget *w = event.m_targetWidgets.value(gesture->gestureType(), 0); | - | ||||||||||||
| 684 | Q_ASSERT(w); | - | ||||||||||||
| 685 | qCDebug(lcGestureManager) << "override event: gesture was accepted:" << gesture << w; never executed: QMessageLogger(__FILE__, 685, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "override event: gesture was accepted:" << gesture << w;
| 0 | ||||||||||||
| 686 | QList<QGesture *> &gestures = normalStartedGestures[w]; | - | ||||||||||||
| 687 | gestures.append(gesture); | - | ||||||||||||
| 688 | // override the target | - | ||||||||||||
| 689 | m_gestureTargets[gesture] = w; | - | ||||||||||||
| 690 | } else { never executed: end of block | 0 | ||||||||||||
| 691 | qCDebug(lcGestureManager) << "override event: gesture wasn't accepted. putting back:" << gesture; never executed: QMessageLogger(__FILE__, 691, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "override event: gesture wasn't accepted. putting back:" << gesture;
| 0 | ||||||||||||
| 692 | QList<QGesture *> &gestures = normalStartedGestures[receiver]; | - | ||||||||||||
| 693 | gestures.append(gesture); | - | ||||||||||||
| 694 | } never executed: end of block | 0 | ||||||||||||
| 695 | } | - | ||||||||||||
| 696 | } never executed: end of block | 0 | ||||||||||||
| 697 | - | |||||||||||||
| 698 | // delivering gestures that are not in conflicted state | - | ||||||||||||
| 699 | for (GesturesPerWidget::const_iterator it = normalStartedGestures.constBegin(), | - | ||||||||||||
| 700 | e = normalStartedGestures.constEnd(); it != e; ++it) {
| 0 | ||||||||||||
| 701 | if (!it.value().isEmpty()) {
| 0 | ||||||||||||
| 702 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents: sending to" << it.key() never executed: QMessageLogger(__FILE__, 702, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending to" << it.key() << "gestures:" << it.value();
| 0 | ||||||||||||
| 703 | << "gestures:" << it.value(); never executed: QMessageLogger(__FILE__, 702, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending to" << it.key() << "gestures:" << it.value(); | 0 | ||||||||||||
| 704 | QGestureEvent event(it.value()); | - | ||||||||||||
| 705 | QApplication::sendEvent(it.key(), &event); | - | ||||||||||||
| 706 | bool eventAccepted = event.isAccepted(); | - | ||||||||||||
| 707 | foreach (QGesture *gesture, event.gestures()) { | - | ||||||||||||
| 708 | if (gesture->state() == Qt::GestureStarted &&
| 0 | ||||||||||||
| 709 | (eventAccepted || event.isAccepted(gesture))) {
| 0 | ||||||||||||
| 710 | QWidget *w = event.m_targetWidgets.value(gesture->gestureType(), 0); | - | ||||||||||||
| 711 | Q_ASSERT(w); | - | ||||||||||||
| 712 | qCDebug(lcGestureManager) << "started gesture was delivered and accepted by" << w; never executed: QMessageLogger(__FILE__, 712, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "started gesture was delivered and accepted by" << w;
| 0 | ||||||||||||
| 713 | m_gestureTargets[gesture] = w; | - | ||||||||||||
| 714 | } never executed: end of block | 0 | ||||||||||||
| 715 | } never executed: end of block | 0 | ||||||||||||
| 716 | } never executed: end of block | 0 | ||||||||||||
| 717 | } never executed: end of block | 0 | ||||||||||||
| 718 | } never executed: end of block | 0 | ||||||||||||
| 719 | - | |||||||||||||
| 720 | void QGestureManager::recycle(QGesture *gesture) | - | ||||||||||||
| 721 | { | - | ||||||||||||
| 722 | QGestureRecognizer *recognizer = m_gestureToRecognizer.value(gesture, 0); | - | ||||||||||||
| 723 | if (recognizer) {
| 0 | ||||||||||||
| 724 | gesture->setGestureCancelPolicy(QGesture::CancelNone); | - | ||||||||||||
| 725 | recognizer->reset(gesture); | - | ||||||||||||
| 726 | m_activeGestures.remove(gesture); | - | ||||||||||||
| 727 | } else { never executed: end of block | 0 | ||||||||||||
| 728 | cleanupGesturesForRemovedRecognizer(gesture); | - | ||||||||||||
| 729 | } never executed: end of block | 0 | ||||||||||||
| 730 | } | - | ||||||||||||
| 731 | - | |||||||||||||
| 732 | bool QGestureManager::gesturePending(QObject *o) | - | ||||||||||||
| 733 | { | - | ||||||||||||
| 734 | const QGestureManager *gm = QGestureManager::instance(); | - | ||||||||||||
| 735 | return gm && gm->m_gestureOwners.key(o); never executed: return gm && gm->m_gestureOwners.key(o);
| 0 | ||||||||||||
| 736 | } | - | ||||||||||||
| 737 | - | |||||||||||||
| 738 | QT_END_NAMESPACE | - | ||||||||||||
| 739 | - | |||||||||||||
| 740 | #endif // QT_NO_GESTURES | - | ||||||||||||
| 741 | - | |||||||||||||
| 742 | #include "moc_qgesturemanager_p.cpp" | - | ||||||||||||
| Source code | Switch to Preprocessed file |