| Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/widgets/kernel/qgesturemanager.cpp | 
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| 1 | /**************************************************************************** | - | ||||||||||||
| 2 | ** | - | ||||||||||||
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | - | ||||||||||||
| 4 | ** Contact: https://www.qt.io/licensing/ | - | ||||||||||||
| 5 | ** | - | ||||||||||||
| 6 | ** This file is part of the QtWidgets module of the Qt Toolkit. | - | ||||||||||||
| 7 | ** | - | ||||||||||||
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | - | ||||||||||||
| 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 https://www.qt.io/terms-conditions. For further | - | ||||||||||||
| 15 | ** information use the contact form at https://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 3 as published by the Free Software | - | ||||||||||||
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | - | ||||||||||||
| 21 | ** packaging of this file. Please review the following information to | - | ||||||||||||
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | - | ||||||||||||
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | - | ||||||||||||
| 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 | - | ||||||||||||
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | - | ||||||||||||
| 31 | ** included in the packaging of this file. Please review the following | - | ||||||||||||
| 32 | ** information to ensure the GNU General Public License requirements will | - | ||||||||||||
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | - | ||||||||||||
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | - | ||||||||||||
| 35 | ** | - | ||||||||||||
| 36 | ** $QT_END_LICENSE$ | - | ||||||||||||
| 37 | ** | - | ||||||||||||
| 38 | ****************************************************************************/ | - | ||||||||||||
| 39 | - | |||||||||||||
| 40 | #include "private/qgesturemanager_p.h" | - | ||||||||||||
| 41 | #include "private/qstandardgestures_p.h" | - | ||||||||||||
| 42 | #include "private/qwidget_p.h" | - | ||||||||||||
| 43 | #include "private/qgesture_p.h" | - | ||||||||||||
| 44 | #include "private/qgraphicsitem_p.h" | - | ||||||||||||
| 45 | #include "private/qevent_p.h" | - | ||||||||||||
| 46 | #include "private/qapplication_p.h" | - | ||||||||||||
| 47 | #include "private/qwidgetwindow_p.h" | - | ||||||||||||
| 48 | #include "qgesture.h" | - | ||||||||||||
| 49 | #include "qevent.h" | - | ||||||||||||
| 50 | #include "qgraphicsitem.h" | - | ||||||||||||
| 51 | - | |||||||||||||
| 52 | #ifdef Q_OS_OSX | - | ||||||||||||
| 53 | #include "qmacgesturerecognizer_p.h" | - | ||||||||||||
| 54 | #endif | - | ||||||||||||
| 55 | #if defined(Q_DEAD_CODE_FROM_QT4_WIN) && !defined(QT_NO_NATIVE_GESTURES) | - | ||||||||||||
| 56 | #include "qwinnativepangesturerecognizer_win_p.h" | - | ||||||||||||
| 57 | #endif | - | ||||||||||||
| 58 | - | |||||||||||||
| 59 | #include "qdebug.h" | - | ||||||||||||
| 60 | #include <QtCore/QLoggingCategory> | - | ||||||||||||
| 61 | - | |||||||||||||
| 62 | #ifndef QT_NO_GESTURES | - | ||||||||||||
| 63 | - | |||||||||||||
| 64 | QT_BEGIN_NAMESPACE | - | ||||||||||||
| 65 | - | |||||||||||||
| 66 | Q_LOGGING_CATEGORY(lcGestureManager, "qt.widgets.gestures") never executed:  return category; | 0 | ||||||||||||
| 67 | - | |||||||||||||
| 68 | #if !defined(Q_OS_OSX) | - | ||||||||||||
| 69 | static inline int panTouchPoints() | - | ||||||||||||
| 70 | { | - | ||||||||||||
| 71 | // Override by environment variable for testing. | - | ||||||||||||
| 72 | static const char panTouchPointVariable[] = "QT_PAN_TOUCHPOINTS"; | - | ||||||||||||
| 73 | if (qEnvironmentVariableIsSet(panTouchPointVariable)) { 
 | 0 | ||||||||||||
| 74 | bool ok; | - | ||||||||||||
| 75 | const int result = qEnvironmentVariableIntValue(panTouchPointVariable, &ok); | - | ||||||||||||
| 76 | if (ok && result >= 1) 
 
 | 0 | ||||||||||||
| 77 | return result; never executed:  return result; | 0 | ||||||||||||
| 78 | qWarning() << "Ignoring invalid value of " << panTouchPointVariable; | - | ||||||||||||
| 79 | } never executed:  end of block | 0 | ||||||||||||
| 80 | // Pan should use 1 finger on a touch screen and 2 fingers on touch pads etc. | - | ||||||||||||
| 81 | // where 1 finger movements are used for mouse event synthetization. For now, | - | ||||||||||||
| 82 | // default to 2 until all classes inheriting QScrollArea are fixed to handle it | - | ||||||||||||
| 83 | // correctly. | - | ||||||||||||
| 84 | return 2; never executed:  return 2; | 0 | ||||||||||||
| 85 | } | - | ||||||||||||
| 86 | #endif | - | ||||||||||||
| 87 | - | |||||||||||||
| 88 | QGestureManager::QGestureManager(QObject *parent) | - | ||||||||||||
| 89 | : QObject(parent), state(NotGesture), m_lastCustomGestureId(Qt::CustomGesture) | - | ||||||||||||
| 90 | { | - | ||||||||||||
| 91 | qRegisterMetaType<Qt::GestureState>(); | - | ||||||||||||
| 92 | - | |||||||||||||
| 93 | #if defined(Q_OS_OSX) | - | ||||||||||||
| 94 | registerGestureRecognizer(new QMacSwipeGestureRecognizer); | - | ||||||||||||
| 95 | registerGestureRecognizer(new QMacPinchGestureRecognizer); | - | ||||||||||||
| 96 | registerGestureRecognizer(new QMacPanGestureRecognizer); | - | ||||||||||||
| 97 | #else | - | ||||||||||||
| 98 | registerGestureRecognizer(new QPanGestureRecognizer(panTouchPoints())); | - | ||||||||||||
| 99 | registerGestureRecognizer(new QPinchGestureRecognizer); | - | ||||||||||||
| 100 | registerGestureRecognizer(new QSwipeGestureRecognizer); | - | ||||||||||||
| 101 | registerGestureRecognizer(new QTapGestureRecognizer); | - | ||||||||||||
| 102 | #endif | - | ||||||||||||
| 103 | #if defined(Q_DEAD_CODE_FROM_QT4_WIN) | - | ||||||||||||
| 104 | #if !defined(QT_NO_NATIVE_GESTURES) | - | ||||||||||||
| 105 | if (QApplicationPrivate::HasTouchSupport) | - | ||||||||||||
| 106 | registerGestureRecognizer(new QWinNativePanGestureRecognizer); | - | ||||||||||||
| 107 | #endif | - | ||||||||||||
| 108 | #else | - | ||||||||||||
| 109 | registerGestureRecognizer(new QTapAndHoldGestureRecognizer); | - | ||||||||||||
| 110 | #endif | - | ||||||||||||
| 111 | } never executed:  end of block | 0 | ||||||||||||
| 112 | - | |||||||||||||
| 113 | QGestureManager::~QGestureManager() | - | ||||||||||||
| 114 | { | - | ||||||||||||
| 115 | qDeleteAll(m_recognizers); | - | ||||||||||||
| 116 | foreach (QGestureRecognizer *recognizer, m_obsoleteGestures.keys()) { | - | ||||||||||||
| 117 | qDeleteAll(m_obsoleteGestures.value(recognizer)); | - | ||||||||||||
| 118 | delete recognizer; | - | ||||||||||||
| 119 | } never executed:  end of block | 0 | ||||||||||||
| 120 | m_obsoleteGestures.clear(); | - | ||||||||||||
| 121 | } never executed:  end of block | 0 | ||||||||||||
| 122 | - | |||||||||||||
| 123 | Qt::GestureType QGestureManager::registerGestureRecognizer(QGestureRecognizer *recognizer) | - | ||||||||||||
| 124 | { | - | ||||||||||||
| 125 | QGesture *dummy = recognizer->create(0); | - | ||||||||||||
| 126 | if (Q_UNLIKELY(!dummy)) { 
 | 0 | ||||||||||||
| 127 | qWarning("QGestureManager::registerGestureRecognizer: " | - | ||||||||||||
| 128 | "the recognizer fails to create a gesture object, skipping registration."); | - | ||||||||||||
| 129 | return Qt::GestureType(0); never executed:  return Qt::GestureType(0); | 0 | ||||||||||||
| 130 | } | - | ||||||||||||
| 131 | Qt::GestureType type = dummy->gestureType(); | - | ||||||||||||
| 132 | if (type == Qt::CustomGesture) { 
 | 0 | ||||||||||||
| 133 | // generate a new custom gesture id | - | ||||||||||||
| 134 | ++m_lastCustomGestureId; | - | ||||||||||||
| 135 | type = Qt::GestureType(m_lastCustomGestureId); | - | ||||||||||||
| 136 | } never executed:  end of block | 0 | ||||||||||||
| 137 | m_recognizers.insertMulti(type, recognizer); | - | ||||||||||||
| 138 | delete dummy; | - | ||||||||||||
| 139 | return type; never executed:  return type; | 0 | ||||||||||||
| 140 | } | - | ||||||||||||
| 141 | - | |||||||||||||
| 142 | void QGestureManager::unregisterGestureRecognizer(Qt::GestureType type) | - | ||||||||||||
| 143 | { | - | ||||||||||||
| 144 | QList<QGestureRecognizer *> list = m_recognizers.values(type); | - | ||||||||||||
| 145 | while (QGestureRecognizer *recognizer = m_recognizers.take(type)) { 
 | 0 | ||||||||||||
| 146 | if (!m_obsoleteGestures.contains(recognizer)) { 
 | 0 | ||||||||||||
| 147 | // inserting even an empty QSet will cause the recognizer to be deleted on destruction of the manager | - | ||||||||||||
| 148 | m_obsoleteGestures.insert(recognizer, QSet<QGesture *>()); | - | ||||||||||||
| 149 | } never executed:  end of block | 0 | ||||||||||||
| 150 | } never executed:  end of block | 0 | ||||||||||||
| 151 | foreach (QGesture *g, m_gestureToRecognizer.keys()) { | - | ||||||||||||
| 152 | QGestureRecognizer *recognizer = m_gestureToRecognizer.value(g); | - | ||||||||||||
| 153 | if (list.contains(recognizer)) { 
 | 0 | ||||||||||||
| 154 | m_deletedRecognizers.insert(g, recognizer); | - | ||||||||||||
| 155 | } never executed:  end of block | 0 | ||||||||||||
| 156 | } never executed:  end of block | 0 | ||||||||||||
| 157 | - | |||||||||||||
| 158 | QMap<ObjectGesture, QList<QGesture *> >::const_iterator iter = m_objectGestures.constBegin(); | - | ||||||||||||
| 159 | while (iter != m_objectGestures.constEnd()) { 
 | 0 | ||||||||||||
| 160 | ObjectGesture objectGesture = iter.key(); | - | ||||||||||||
| 161 | if (objectGesture.gesture == type) { 
 | 0 | ||||||||||||
| 162 | foreach (QGesture *g, iter.value()) { | - | ||||||||||||
| 163 | if (QGestureRecognizer *recognizer = m_gestureToRecognizer.value(g)) { 
 | 0 | ||||||||||||
| 164 | m_gestureToRecognizer.remove(g); | - | ||||||||||||
| 165 | m_obsoleteGestures[recognizer].insert(g); | - | ||||||||||||
| 166 | } never executed:  end of block | 0 | ||||||||||||
| 167 | } never executed:  end of block | 0 | ||||||||||||
| 168 | } never executed:  end of block | 0 | ||||||||||||
| 169 | ++iter; | - | ||||||||||||
| 170 | } never executed:  end of block | 0 | ||||||||||||
| 171 | } never executed:  end of block | 0 | ||||||||||||
| 172 | - | |||||||||||||
| 173 | void QGestureManager::cleanupCachedGestures(QObject *target, Qt::GestureType type) | - | ||||||||||||
| 174 | { | - | ||||||||||||
| 175 | QMap<ObjectGesture, QList<QGesture *> >::Iterator iter = m_objectGestures.begin(); | - | ||||||||||||
| 176 | while (iter != m_objectGestures.end()) { 
 | 0 | ||||||||||||
| 177 | ObjectGesture objectGesture = iter.key(); | - | ||||||||||||
| 178 | if (objectGesture.gesture == type && target == objectGesture.object) { 
 
 | 0 | ||||||||||||
| 179 | QSet<QGesture *> gestures = iter.value().toSet(); | - | ||||||||||||
| 180 | for (QHash<QGestureRecognizer *, QSet<QGesture *> >::iterator | - | ||||||||||||
| 181 | it = m_obsoleteGestures.begin(), e = m_obsoleteGestures.end(); it != e; ++it) { 
 | 0 | ||||||||||||
| 182 | it.value() -= gestures; | - | ||||||||||||
| 183 | } never executed:  end of block | 0 | ||||||||||||
| 184 | foreach (QGesture *g, gestures) { | - | ||||||||||||
| 185 | m_deletedRecognizers.remove(g); | - | ||||||||||||
| 186 | m_gestureToRecognizer.remove(g); | - | ||||||||||||
| 187 | m_maybeGestures.remove(g); | - | ||||||||||||
| 188 | m_activeGestures.remove(g); | - | ||||||||||||
| 189 | m_gestureOwners.remove(g); | - | ||||||||||||
| 190 | m_gestureTargets.remove(g); | - | ||||||||||||
| 191 | m_gesturesToDelete.insert(g); | - | ||||||||||||
| 192 | } never executed:  end of block | 0 | ||||||||||||
| 193 | - | |||||||||||||
| 194 | iter = m_objectGestures.erase(iter); | - | ||||||||||||
| 195 | } else { never executed:  end of block | 0 | ||||||||||||
| 196 | ++iter; | - | ||||||||||||
| 197 | } never executed:  end of block | 0 | ||||||||||||
| 198 | } | - | ||||||||||||
| 199 | } never executed:  end of block | 0 | ||||||||||||
| 200 | - | |||||||||||||
| 201 | // get or create a QGesture object that will represent the state for a given object, used by the recognizer | - | ||||||||||||
| 202 | QGesture *QGestureManager::getState(QObject *object, QGestureRecognizer *recognizer, Qt::GestureType type) | - | ||||||||||||
| 203 | { | - | ||||||||||||
| 204 | // if the widget is being deleted we should be careful not to | - | ||||||||||||
| 205 | // create a new state, as it will create QWeakPointer which doesn't work | - | ||||||||||||
| 206 | // from the destructor. | - | ||||||||||||
| 207 | if (object->isWidgetType()) { 
 | 0 | ||||||||||||
| 208 | if (static_cast<QWidget *>(object)->d_func()->data.in_destructor) 
 | 0 | ||||||||||||
| 209 | return 0; never executed:  return 0; | 0 | ||||||||||||
| 210 | } else if (QGesture *g = qobject_cast<QGesture *>(object)) { never executed:  end of block
 | 0 | ||||||||||||
| 211 | return g; never executed:  return g; | 0 | ||||||||||||
| 212 | #ifndef QT_NO_GRAPHICSVIEW | - | ||||||||||||
| 213 | } else { | - | ||||||||||||
| 214 | Q_ASSERT(qobject_cast<QGraphicsObject *>(object)); | - | ||||||||||||
| 215 | QGraphicsObject *graphicsObject = static_cast<QGraphicsObject *>(object); | - | ||||||||||||
| 216 | if (graphicsObject->QGraphicsItem::d_func()->inDestructor) 
 | 0 | ||||||||||||
| 217 | return 0; never executed:  return 0; | 0 | ||||||||||||
| 218 | #endif | - | ||||||||||||
| 219 | } never executed:  end of block | 0 | ||||||||||||
| 220 | - | |||||||||||||
| 221 | // check if the QGesture for this recognizer has already been created | - | ||||||||||||
| 222 | const auto states = m_objectGestures.value(QGestureManager::ObjectGesture(object, type)); | - | ||||||||||||
| 223 | for (QGesture *state : states) { | - | ||||||||||||
| 224 | if (m_gestureToRecognizer.value(state) == recognizer) 
 | 0 | ||||||||||||
| 225 | return state; never executed:  return state; | 0 | ||||||||||||
| 226 | } never executed:  end of block | 0 | ||||||||||||
| 227 | - | |||||||||||||
| 228 | Q_ASSERT(recognizer); | - | ||||||||||||
| 229 | QGesture *state = recognizer->create(object); | - | ||||||||||||
| 230 | if (!state) 
 | 0 | ||||||||||||
| 231 | return 0; never executed:  return 0; | 0 | ||||||||||||
| 232 | state->setParent(this); | - | ||||||||||||
| 233 | if (state->gestureType() == Qt::CustomGesture) { 
 | 0 | ||||||||||||
| 234 | // if the recognizer didn't fill in the gesture type, then this | - | ||||||||||||
| 235 | // is a custom gesture with autogenerated id and we fill it. | - | ||||||||||||
| 236 | state->d_func()->gestureType = type; | - | ||||||||||||
| 237 | if (lcGestureManager().isDebugEnabled()) 
 | 0 | ||||||||||||
| 238 | state->setObjectName(QString::number((int)type)); never executed:  state->setObjectName(QString::number((int)type)); | 0 | ||||||||||||
| 239 | } never executed:  end of block | 0 | ||||||||||||
| 240 | m_objectGestures[QGestureManager::ObjectGesture(object, type)].append(state); | - | ||||||||||||
| 241 | m_gestureToRecognizer[state] = recognizer; | - | ||||||||||||
| 242 | m_gestureOwners[state] = object; | - | ||||||||||||
| 243 | - | |||||||||||||
| 244 | return state; never executed:  return state; | 0 | ||||||||||||
| 245 | } | - | ||||||||||||
| 246 | - | |||||||||||||
| 247 | bool QGestureManager::filterEventThroughContexts(const QMultiMap<QObject *, | - | ||||||||||||
| 248 | Qt::GestureType> &contexts, | - | ||||||||||||
| 249 | QEvent *event) | - | ||||||||||||
| 250 | { | - | ||||||||||||
| 251 | QSet<QGesture *> triggeredGestures; | - | ||||||||||||
| 252 | QSet<QGesture *> finishedGestures; | - | ||||||||||||
| 253 | QSet<QGesture *> newMaybeGestures; | - | ||||||||||||
| 254 | QSet<QGesture *> notGestures; | - | ||||||||||||
| 255 | - | |||||||||||||
| 256 | // TODO: sort contexts by the gesture type and check if one of the contexts | - | ||||||||||||
| 257 | // is already active. | - | ||||||||||||
| 258 | - | |||||||||||||
| 259 | bool consumeEventHint = false; | - | ||||||||||||
| 260 | - | |||||||||||||
| 261 | // filter the event through recognizers | - | ||||||||||||
| 262 | typedef QMultiMap<QObject *, Qt::GestureType>::const_iterator ContextIterator; | - | ||||||||||||
| 263 | ContextIterator contextEnd = contexts.end(); | - | ||||||||||||
| 264 | for (ContextIterator context = contexts.begin(); context != contextEnd; ++context) { 
 | 0 | ||||||||||||
| 265 | Qt::GestureType gestureType = context.value(); | - | ||||||||||||
| 266 | const QMap<Qt::GestureType, QGestureRecognizer *> &const_recognizers = m_recognizers; | - | ||||||||||||
| 267 | QMap<Qt::GestureType, QGestureRecognizer *>::const_iterator | - | ||||||||||||
| 268 | typeToRecognizerIterator = const_recognizers.lowerBound(gestureType), | - | ||||||||||||
| 269 | typeToRecognizerEnd = const_recognizers.upperBound(gestureType); | - | ||||||||||||
| 270 | for (; typeToRecognizerIterator != typeToRecognizerEnd; ++typeToRecognizerIterator) { 
 | 0 | ||||||||||||
| 271 | QGestureRecognizer *recognizer = typeToRecognizerIterator.value(); | - | ||||||||||||
| 272 | QObject *target = context.key(); | - | ||||||||||||
| 273 | QGesture *state = getState(target, recognizer, gestureType); | - | ||||||||||||
| 274 | if (!state) 
 | 0 | ||||||||||||
| 275 | continue; never executed:  continue; | 0 | ||||||||||||
| 276 | QGestureRecognizer::Result recognizerResult = recognizer->recognize(state, target, event); | - | ||||||||||||
| 277 | QGestureRecognizer::Result recognizerState = recognizerResult & QGestureRecognizer::ResultState_Mask; | - | ||||||||||||
| 278 | QGestureRecognizer::Result resultHint = recognizerResult & QGestureRecognizer::ResultHint_Mask; | - | ||||||||||||
| 279 | if (recognizerState == QGestureRecognizer::TriggerGesture) { 
 | 0 | ||||||||||||
| 280 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: gesture triggered: " << state << event; never executed:  QMessageLogger(__FILE__, 280, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: gesture triggered: " << state << event;
 | 0 | ||||||||||||
| 281 | triggeredGestures << state; | - | ||||||||||||
| 282 | } else if (recognizerState == QGestureRecognizer::FinishGesture) { never executed:  end of block
 | 0 | ||||||||||||
| 283 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: gesture finished: " << state << event; never executed:  QMessageLogger(__FILE__, 283, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: gesture finished: " << state << event;
 | 0 | ||||||||||||
| 284 | finishedGestures << state; | - | ||||||||||||
| 285 | } else if (recognizerState == QGestureRecognizer::MayBeGesture) { never executed:  end of block
 | 0 | ||||||||||||
| 286 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: maybe gesture: " << state << event; never executed:  QMessageLogger(__FILE__, 286, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: maybe gesture: " << state << event;
 | 0 | ||||||||||||
| 287 | newMaybeGestures << state; | - | ||||||||||||
| 288 | } else if (recognizerState == QGestureRecognizer::CancelGesture) { never executed:  end of block
 | 0 | ||||||||||||
| 289 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: not gesture: " << state << event; never executed:  QMessageLogger(__FILE__, 289, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: not gesture: " << state << event;
 | 0 | ||||||||||||
| 290 | notGestures << state; | - | ||||||||||||
| 291 | } else if (recognizerState == QGestureRecognizer::Ignore) { never executed:  end of block
 | 0 | ||||||||||||
| 292 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: ignored the event: " << state << event; never executed:  QMessageLogger(__FILE__, 292, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: ignored the event: " << state << event;
 | 0 | ||||||||||||
| 293 | } else { never executed:  end of block | 0 | ||||||||||||
| 294 | qCDebug(lcGestureManager) << "QGestureManager:Recognizer: hm, lets assume the recognizer" never executed:  QMessageLogger(__FILE__, 294, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: hm, lets assume the recognizer" << "ignored the event: " << state << event;
 | 0 | ||||||||||||
| 295 | << "ignored the event: " << state << event; never executed:  QMessageLogger(__FILE__, 294, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager:Recognizer: hm, lets assume the recognizer" << "ignored the event: " << state << event; | 0 | ||||||||||||
| 296 | } never executed:  end of block | 0 | ||||||||||||
| 297 | if (resultHint & QGestureRecognizer::ConsumeEventHint) { 
 | 0 | ||||||||||||
| 298 | qCDebug(lcGestureManager) << "QGestureManager: we were asked to consume the event: " never executed:  QMessageLogger(__FILE__, 298, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager: we were asked to consume the event: " << state << event;
 | 0 | ||||||||||||
| 299 | << state << event; never executed:  QMessageLogger(__FILE__, 298, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager: we were asked to consume the event: " << state << event; | 0 | ||||||||||||
| 300 | consumeEventHint = true; | - | ||||||||||||
| 301 | } never executed:  end of block | 0 | ||||||||||||
| 302 | } never executed:  end of block | 0 | ||||||||||||
| 303 | } never executed:  end of block | 0 | ||||||||||||
| 304 | if (!triggeredGestures.isEmpty() || !finishedGestures.isEmpty() 
 
 | 0 | ||||||||||||
| 305 | || !newMaybeGestures.isEmpty() || !notGestures.isEmpty()) { 
 
 | 0 | ||||||||||||
| 306 | QSet<QGesture *> startedGestures = triggeredGestures - m_activeGestures; | - | ||||||||||||
| 307 | triggeredGestures &= m_activeGestures; | - | ||||||||||||
| 308 | - | |||||||||||||
| 309 | // check if a running gesture switched back to maybe state | - | ||||||||||||
| 310 | QSet<QGesture *> activeToMaybeGestures = m_activeGestures & newMaybeGestures; | - | ||||||||||||
| 311 | - | |||||||||||||
| 312 | // check if a maybe gesture switched to canceled - reset it but don't send an event | - | ||||||||||||
| 313 | QSet<QGesture *> maybeToCanceledGestures = m_maybeGestures & notGestures; | - | ||||||||||||
| 314 | - | |||||||||||||
| 315 | // check if a running gesture switched back to not gesture state, | - | ||||||||||||
| 316 | // i.e. were canceled | - | ||||||||||||
| 317 | QSet<QGesture *> canceledGestures = m_activeGestures & notGestures; | - | ||||||||||||
| 318 | - | |||||||||||||
| 319 | // new gestures in maybe state | - | ||||||||||||
| 320 | m_maybeGestures += newMaybeGestures; | - | ||||||||||||
| 321 | - | |||||||||||||
| 322 | // gestures that were in maybe state | - | ||||||||||||
| 323 | QSet<QGesture *> notMaybeGestures = (startedGestures | triggeredGestures | - | ||||||||||||
| 324 | | finishedGestures | canceledGestures | - | ||||||||||||
| 325 | | notGestures); | - | ||||||||||||
| 326 | m_maybeGestures -= notMaybeGestures; | - | ||||||||||||
| 327 | - | |||||||||||||
| 328 | Q_ASSERT((startedGestures & finishedGestures).isEmpty()); | - | ||||||||||||
| 329 | Q_ASSERT((startedGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 330 | Q_ASSERT((startedGestures & canceledGestures).isEmpty()); | - | ||||||||||||
| 331 | Q_ASSERT((finishedGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 332 | Q_ASSERT((finishedGestures & canceledGestures).isEmpty()); | - | ||||||||||||
| 333 | Q_ASSERT((canceledGestures & newMaybeGestures).isEmpty()); | - | ||||||||||||
| 334 | - | |||||||||||||
| 335 | QSet<QGesture *> notStarted = finishedGestures - m_activeGestures; | - | ||||||||||||
| 336 | if (!notStarted.isEmpty()) { 
 | 0 | ||||||||||||
| 337 | // there are some gestures that claim to be finished, but never started. | - | ||||||||||||
| 338 | // probably those are "singleshot" gestures so we'll fake the started state. | - | ||||||||||||
| 339 | foreach (QGesture *gesture, notStarted) | - | ||||||||||||
| 340 | gesture->d_func()->state = Qt::GestureStarted; never executed:  gesture->d_func()->state = Qt::GestureStarted; | 0 | ||||||||||||
| 341 | QSet<QGesture *> undeliveredGestures; | - | ||||||||||||
| 342 | deliverEvents(notStarted, &undeliveredGestures); | - | ||||||||||||
| 343 | finishedGestures -= undeliveredGestures; | - | ||||||||||||
| 344 | } never executed:  end of block | 0 | ||||||||||||
| 345 | - | |||||||||||||
| 346 | m_activeGestures += startedGestures; | - | ||||||||||||
| 347 | // sanity check: all triggered gestures should already be in active gestures list | - | ||||||||||||
| 348 | Q_ASSERT((m_activeGestures & triggeredGestures).size() == triggeredGestures.size()); | - | ||||||||||||
| 349 | m_activeGestures -= finishedGestures; | - | ||||||||||||
| 350 | m_activeGestures -= activeToMaybeGestures; | - | ||||||||||||
| 351 | m_activeGestures -= canceledGestures; | - | ||||||||||||
| 352 | - | |||||||||||||
| 353 | // set the proper gesture state on each gesture | - | ||||||||||||
| 354 | foreach (QGesture *gesture, startedGestures) | - | ||||||||||||
| 355 | gesture->d_func()->state = Qt::GestureStarted; never executed:  gesture->d_func()->state = Qt::GestureStarted; | 0 | ||||||||||||
| 356 | foreach (QGesture *gesture, triggeredGestures) | - | ||||||||||||
| 357 | gesture->d_func()->state = Qt::GestureUpdated; never executed:  gesture->d_func()->state = Qt::GestureUpdated; | 0 | ||||||||||||
| 358 | foreach (QGesture *gesture, finishedGestures) | - | ||||||||||||
| 359 | gesture->d_func()->state = Qt::GestureFinished; never executed:  gesture->d_func()->state = Qt::GestureFinished; | 0 | ||||||||||||
| 360 | foreach (QGesture *gesture, canceledGestures) | - | ||||||||||||
| 361 | gesture->d_func()->state = Qt::GestureCanceled; never executed:  gesture->d_func()->state = Qt::GestureCanceled; | 0 | ||||||||||||
| 362 | foreach (QGesture *gesture, activeToMaybeGestures) | - | ||||||||||||
| 363 | gesture->d_func()->state = Qt::GestureFinished; never executed:  gesture->d_func()->state = Qt::GestureFinished; | 0 | ||||||||||||
| 364 | - | |||||||||||||
| 365 | if (!m_activeGestures.isEmpty() || !m_maybeGestures.isEmpty() || 
 
 | 0 | ||||||||||||
| 366 | !startedGestures.isEmpty() || !triggeredGestures.isEmpty() || 
 
 | 0 | ||||||||||||
| 367 | !finishedGestures.isEmpty() || !canceledGestures.isEmpty()) { 
 
 | 0 | ||||||||||||
| 368 | qCDebug(lcGestureManager) << "QGestureManager::filterEventThroughContexts:" never executed:  QMessageLogger(__FILE__, 368, __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 | << "\n\tactiveGestures:" << m_activeGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 370 | << "\n\tmaybeGestures:" << m_maybeGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 371 | << "\n\tstarted:" << startedGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 372 | << "\n\ttriggered:" << triggeredGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 373 | << "\n\tfinished:" << finishedGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 374 | << "\n\tcanceled:" << canceledGestures never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 375 | << "\n\tmaybe-canceled:" << maybeToCanceledGestures; never executed:  QMessageLogger(__FILE__, 368, __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 | ||||||||||||
| 376 | } never executed:  end of block | 0 | ||||||||||||
| 377 | - | |||||||||||||
| 378 | QSet<QGesture *> undeliveredGestures; | - | ||||||||||||
| 379 | deliverEvents(startedGestures+triggeredGestures+finishedGestures+canceledGestures, | - | ||||||||||||
| 380 | &undeliveredGestures); | - | ||||||||||||
| 381 | - | |||||||||||||
| 382 | foreach (QGesture *g, startedGestures) { | - | ||||||||||||
| 383 | if (undeliveredGestures.contains(g)) 
 | 0 | ||||||||||||
| 384 | continue; never executed:  continue; | 0 | ||||||||||||
| 385 | if (g->gestureCancelPolicy() == QGesture::CancelAllInContext) { 
 | 0 | ||||||||||||
| 386 | qCDebug(lcGestureManager) << "lets try to cancel some"; never executed:  QMessageLogger(__FILE__, 386, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "lets try to cancel some";
 | 0 | ||||||||||||
| 387 | // find gestures in context in Qt::GestureStarted or Qt::GestureUpdated state and cancel them | - | ||||||||||||
| 388 | cancelGesturesForChildren(g); | - | ||||||||||||
| 389 | } never executed:  end of block | 0 | ||||||||||||
| 390 | } never executed:  end of block | 0 | ||||||||||||
| 391 | - | |||||||||||||
| 392 | m_activeGestures -= undeliveredGestures; | - | ||||||||||||
| 393 | - | |||||||||||||
| 394 | // reset gestures that ended | - | ||||||||||||
| 395 | QSet<QGesture *> endedGestures = | - | ||||||||||||
| 396 | finishedGestures + canceledGestures + undeliveredGestures + maybeToCanceledGestures; | - | ||||||||||||
| 397 | foreach (QGesture *gesture, endedGestures) { | - | ||||||||||||
| 398 | recycle(gesture); | - | ||||||||||||
| 399 | m_gestureTargets.remove(gesture); | - | ||||||||||||
| 400 | } never executed:  end of block | 0 | ||||||||||||
| 401 | } never executed:  end of block | 0 | ||||||||||||
| 402 | //Clean up the Gestures | - | ||||||||||||
| 403 | qDeleteAll(m_gesturesToDelete); | - | ||||||||||||
| 404 | m_gesturesToDelete.clear(); | - | ||||||||||||
| 405 | - | |||||||||||||
| 406 | return consumeEventHint; never executed:  return consumeEventHint; | 0 | ||||||||||||
| 407 | } | - | ||||||||||||
| 408 | - | |||||||||||||
| 409 | // Cancel all gestures of children of the widget that original is associated with | - | ||||||||||||
| 410 | void QGestureManager::cancelGesturesForChildren(QGesture *original) | - | ||||||||||||
| 411 | { | - | ||||||||||||
| 412 | Q_ASSERT(original); | - | ||||||||||||
| 413 | QWidget *originatingWidget = m_gestureTargets.value(original); | - | ||||||||||||
| 414 | Q_ASSERT(originatingWidget); | - | ||||||||||||
| 415 | if (!originatingWidget) 
 | 0 | ||||||||||||
| 416 | return; never executed:  return; | 0 | ||||||||||||
| 417 | - | |||||||||||||
| 418 | // iterate over all active gestures and all maybe gestures | - | ||||||||||||
| 419 | // for each find the owner | - | ||||||||||||
| 420 | // if the owner is part of our sub-hierarchy, cancel it. | - | ||||||||||||
| 421 | - | |||||||||||||
| 422 | QSet<QGesture*> cancelledGestures; | - | ||||||||||||
| 423 | QSet<QGesture*>::Iterator iter = m_activeGestures.begin(); | - | ||||||||||||
| 424 | while (iter != m_activeGestures.end()) { 
 | 0 | ||||||||||||
| 425 | QWidget *widget = m_gestureTargets.value(*iter); | - | ||||||||||||
| 426 | // note that we don't touch the gestures for our originatingWidget | - | ||||||||||||
| 427 | if (widget != originatingWidget && originatingWidget->isAncestorOf(widget)) { 
 
 | 0 | ||||||||||||
| 428 | qCDebug(lcGestureManager) << "  found a gesture to cancel" << (*iter); never executed:  QMessageLogger(__FILE__, 428, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << " found a gesture to cancel" << (*iter);
 | 0 | ||||||||||||
| 429 | (*iter)->d_func()->state = Qt::GestureCanceled; | - | ||||||||||||
| 430 | cancelledGestures << *iter; | - | ||||||||||||
| 431 | iter = m_activeGestures.erase(iter); | - | ||||||||||||
| 432 | } else { never executed:  end of block | 0 | ||||||||||||
| 433 | ++iter; | - | ||||||||||||
| 434 | } never executed:  end of block | 0 | ||||||||||||
| 435 | } | - | ||||||||||||
| 436 | - | |||||||||||||
| 437 | // TODO handle 'maybe' gestures too | - | ||||||||||||
| 438 | - | |||||||||||||
| 439 | // sort them per target widget by cherry picking from almostCanceledGestures and delivering | - | ||||||||||||
| 440 | QSet<QGesture *> almostCanceledGestures = cancelledGestures; | - | ||||||||||||
| 441 | while (!almostCanceledGestures.isEmpty()) { 
 | 0 | ||||||||||||
| 442 | QWidget *target = 0; | - | ||||||||||||
| 443 | QSet<QGesture*> gestures; | - | ||||||||||||
| 444 | iter = almostCanceledGestures.begin(); | - | ||||||||||||
| 445 | // sort per target widget | - | ||||||||||||
| 446 | while (iter != almostCanceledGestures.end()) { 
 | 0 | ||||||||||||
| 447 | QWidget *widget = m_gestureTargets.value(*iter); | - | ||||||||||||
| 448 | if (target == 0) 
 | 0 | ||||||||||||
| 449 | target = widget; never executed:  target = widget; | 0 | ||||||||||||
| 450 | if (target == widget) { 
 | 0 | ||||||||||||
| 451 | gestures << *iter; | - | ||||||||||||
| 452 | iter = almostCanceledGestures.erase(iter); | - | ||||||||||||
| 453 | } else { never executed:  end of block | 0 | ||||||||||||
| 454 | ++iter; | - | ||||||||||||
| 455 | } never executed:  end of block | 0 | ||||||||||||
| 456 | } | - | ||||||||||||
| 457 | Q_ASSERT(target); | - | ||||||||||||
| 458 | - | |||||||||||||
| 459 | QSet<QGesture*> undeliveredGestures; | - | ||||||||||||
| 460 | deliverEvents(gestures, &undeliveredGestures); | - | ||||||||||||
| 461 | } never executed:  end of block | 0 | ||||||||||||
| 462 | - | |||||||||||||
| 463 | for (iter = cancelledGestures.begin(); iter != cancelledGestures.end(); ++iter) 
 | 0 | ||||||||||||
| 464 | recycle(*iter); never executed:  recycle(*iter); | 0 | ||||||||||||
| 465 | } never executed:  end of block | 0 | ||||||||||||
| 466 | - | |||||||||||||
| 467 | void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture) | - | ||||||||||||
| 468 | { | - | ||||||||||||
| 469 | QGestureRecognizer *recognizer = m_deletedRecognizers.value(gesture); | - | ||||||||||||
| 470 | if(!recognizer) //The Gesture is removed while in the even loop, so the recognizers for this gestures was removed 
 | 0 | ||||||||||||
| 471 | return; never executed:  return; | 0 | ||||||||||||
| 472 | m_deletedRecognizers.remove(gesture); | - | ||||||||||||
| 473 | if (m_deletedRecognizers.keys(recognizer).isEmpty()) { 
 | 0 | ||||||||||||
| 474 | // no more active gestures, cleanup! | - | ||||||||||||
| 475 | qDeleteAll(m_obsoleteGestures.value(recognizer)); | - | ||||||||||||
| 476 | m_obsoleteGestures.remove(recognizer); | - | ||||||||||||
| 477 | delete recognizer; | - | ||||||||||||
| 478 | } never executed:  end of block | 0 | ||||||||||||
| 479 | } never executed:  end of block | 0 | ||||||||||||
| 480 | - | |||||||||||||
| 481 | // return true if accepted (consumed) | - | ||||||||||||
| 482 | bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event) | - | ||||||||||||
| 483 | { | - | ||||||||||||
| 484 | QMap<Qt::GestureType, int> types; | - | ||||||||||||
| 485 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 486 | QWidget *w = receiver; | - | ||||||||||||
| 487 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 488 | if (!w->d_func()->gestureContext.isEmpty()) { 
 | 0 | ||||||||||||
| 489 | for(ContextIterator it = w->d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 490 | e = w->d_func()->gestureContext.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 491 | types.insert(it.key(), 0); | - | ||||||||||||
| 492 | contexts.insertMulti(w, it.key()); | - | ||||||||||||
| 493 | } never executed:  end of block | 0 | ||||||||||||
| 494 | } never executed:  end of block | 0 | ||||||||||||
| 495 | // find all gesture contexts for the widget tree | - | ||||||||||||
| 496 | w = w->isWindow() ? 0 : w->parentWidget(); 
 | 0 | ||||||||||||
| 497 | while (w) 
 | 0 | ||||||||||||
| 498 | { | - | ||||||||||||
| 499 | for (ContextIterator it = w->d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 500 | e = w->d_func()->gestureContext.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 501 | if (!(it.value() & Qt::DontStartGestureOnChildren)) { 
 | 0 | ||||||||||||
| 502 | if (!types.contains(it.key())) { 
 | 0 | ||||||||||||
| 503 | types.insert(it.key(), 0); | - | ||||||||||||
| 504 | contexts.insertMulti(w, it.key()); | - | ||||||||||||
| 505 | } never executed:  end of block | 0 | ||||||||||||
| 506 | } never executed:  end of block | 0 | ||||||||||||
| 507 | } never executed:  end of block | 0 | ||||||||||||
| 508 | if (w->isWindow()) 
 | 0 | ||||||||||||
| 509 | break; never executed:  break; | 0 | ||||||||||||
| 510 | w = w->parentWidget(); | - | ||||||||||||
| 511 | } never executed:  end of block | 0 | ||||||||||||
| 512 | return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); never executed:  return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); | 0 | ||||||||||||
| 513 | } | - | ||||||||||||
| 514 | - | |||||||||||||
| 515 | #ifndef QT_NO_GRAPHICSVIEW | - | ||||||||||||
| 516 | bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event) | - | ||||||||||||
| 517 | { | - | ||||||||||||
| 518 | QMap<Qt::GestureType, int> types; | - | ||||||||||||
| 519 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 520 | QGraphicsObject *item = receiver; | - | ||||||||||||
| 521 | if (!item->QGraphicsItem::d_func()->gestureContext.isEmpty()) { 
 | 0 | ||||||||||||
| 522 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 523 | for(ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 524 | e = item->QGraphicsItem::d_func()->gestureContext.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 525 | types.insert(it.key(), 0); | - | ||||||||||||
| 526 | contexts.insertMulti(item, it.key()); | - | ||||||||||||
| 527 | } never executed:  end of block | 0 | ||||||||||||
| 528 | } never executed:  end of block | 0 | ||||||||||||
| 529 | // find all gesture contexts for the graphics object tree | - | ||||||||||||
| 530 | item = item->parentObject(); | - | ||||||||||||
| 531 | while (item) 
 | 0 | ||||||||||||
| 532 | { | - | ||||||||||||
| 533 | typedef QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator ContextIterator; | - | ||||||||||||
| 534 | for (ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.constBegin(), | - | ||||||||||||
| 535 | e = item->QGraphicsItem::d_func()->gestureContext.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 536 | if (!(it.value() & Qt::DontStartGestureOnChildren)) { 
 | 0 | ||||||||||||
| 537 | if (!types.contains(it.key())) { 
 | 0 | ||||||||||||
| 538 | types.insert(it.key(), 0); | - | ||||||||||||
| 539 | contexts.insertMulti(item, it.key()); | - | ||||||||||||
| 540 | } never executed:  end of block | 0 | ||||||||||||
| 541 | } never executed:  end of block | 0 | ||||||||||||
| 542 | } never executed:  end of block | 0 | ||||||||||||
| 543 | item = item->parentObject(); | - | ||||||||||||
| 544 | } never executed:  end of block | 0 | ||||||||||||
| 545 | return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); never executed:  return contexts.isEmpty() ? false : filterEventThroughContexts(contexts, event); | 0 | ||||||||||||
| 546 | } | - | ||||||||||||
| 547 | #endif | - | ||||||||||||
| 548 | - | |||||||||||||
| 549 | bool QGestureManager::filterEvent(QObject *receiver, QEvent *event) | - | ||||||||||||
| 550 | { | - | ||||||||||||
| 551 | // if the receiver is actually a widget, we need to call the correct event | - | ||||||||||||
| 552 | // filter method. | - | ||||||||||||
| 553 | QWidgetWindow *widgetWindow = qobject_cast<QWidgetWindow *>(receiver); | - | ||||||||||||
| 554 | - | |||||||||||||
| 555 | if (widgetWindow && widgetWindow->widget()) 
 
 | 0 | ||||||||||||
| 556 | return filterEvent(widgetWindow->widget(), event); never executed:  return filterEvent(widgetWindow->widget(), event); | 0 | ||||||||||||
| 557 | - | |||||||||||||
| 558 | QGesture *state = qobject_cast<QGesture *>(receiver); | - | ||||||||||||
| 559 | if (!state || !m_gestureToRecognizer.contains(state)) 
 
 | 0 | ||||||||||||
| 560 | return false; never executed:  return false; | 0 | ||||||||||||
| 561 | QMultiMap<QObject *, Qt::GestureType> contexts; | - | ||||||||||||
| 562 | contexts.insert(state, state->gestureType()); | - | ||||||||||||
| 563 | return filterEventThroughContexts(contexts, event); never executed:  return filterEventThroughContexts(contexts, event); | 0 | ||||||||||||
| 564 | } | - | ||||||||||||
| 565 | - | |||||||||||||
| 566 | void QGestureManager::getGestureTargets(const QSet<QGesture*> &gestures, | - | ||||||||||||
| 567 | QHash<QWidget *, QList<QGesture *> > *conflicts, | - | ||||||||||||
| 568 | QHash<QWidget *, QList<QGesture *> > *normal) | - | ||||||||||||
| 569 | { | - | ||||||||||||
| 570 | typedef QHash<Qt::GestureType, QHash<QWidget *, QGesture *> > GestureByTypes; | - | ||||||||||||
| 571 | GestureByTypes gestureByTypes; | - | ||||||||||||
| 572 | - | |||||||||||||
| 573 | // sort gestures by types | - | ||||||||||||
| 574 | foreach (QGesture *gesture, gestures) { | - | ||||||||||||
| 575 | QWidget *receiver = m_gestureTargets.value(gesture, 0); | - | ||||||||||||
| 576 | Q_ASSERT(receiver); | - | ||||||||||||
| 577 | if (receiver) 
 | 0 | ||||||||||||
| 578 | gestureByTypes[gesture->gestureType()].insert(receiver, gesture); never executed:  gestureByTypes[gesture->gestureType()].insert(receiver, gesture); | 0 | ||||||||||||
| 579 | } never executed:  end of block | 0 | ||||||||||||
| 580 | - | |||||||||||||
| 581 | // for each gesture type | - | ||||||||||||
| 582 | for (GestureByTypes::const_iterator git = gestureByTypes.cbegin(), gend = gestureByTypes.cend(); git != gend; ++git) { 
 | 0 | ||||||||||||
| 583 | const QHash<QWidget *, QGesture *> &gestures = git.value(); | - | ||||||||||||
| 584 | for (QHash<QWidget *, QGesture *>::const_iterator wit = gestures.cbegin(), wend = gestures.cend(); wit != wend; ++wit) { 
 | 0 | ||||||||||||
| 585 | QWidget *widget = wit.key(); | - | ||||||||||||
| 586 | QWidget *w = widget->parentWidget(); | - | ||||||||||||
| 587 | while (w) { 
 | 0 | ||||||||||||
| 588 | QMap<Qt::GestureType, Qt::GestureFlags>::const_iterator it | - | ||||||||||||
| 589 | = w->d_func()->gestureContext.constFind(git.key()); | - | ||||||||||||
| 590 | if (it != w->d_func()->gestureContext.constEnd()) { 
 | 0 | ||||||||||||
| 591 | // i.e. 'w' listens to gesture 'type' | - | ||||||||||||
| 592 | if (!(it.value() & Qt::DontStartGestureOnChildren) && w != widget) { 
 
 | 0 | ||||||||||||
| 593 | // conflicting gesture! | - | ||||||||||||
| 594 | (*conflicts)[widget].append(wit.value()); | - | ||||||||||||
| 595 | break; never executed:  break; | 0 | ||||||||||||
| 596 | } | - | ||||||||||||
| 597 | } never executed:  end of block | 0 | ||||||||||||
| 598 | if (w->isWindow()) { 
 | 0 | ||||||||||||
| 599 | w = 0; | - | ||||||||||||
| 600 | break; never executed:  break; | 0 | ||||||||||||
| 601 | } | - | ||||||||||||
| 602 | w = w->parentWidget(); | - | ||||||||||||
| 603 | } never executed:  end of block | 0 | ||||||||||||
| 604 | if (!w) 
 | 0 | ||||||||||||
| 605 | (*normal)[widget].append(wit.value()); never executed:  (*normal)[widget].append(wit.value()); | 0 | ||||||||||||
| 606 | } never executed:  end of block | 0 | ||||||||||||
| 607 | } never executed:  end of block | 0 | ||||||||||||
| 608 | } never executed:  end of block | 0 | ||||||||||||
| 609 | - | |||||||||||||
| 610 | void QGestureManager::deliverEvents(const QSet<QGesture *> &gestures, | - | ||||||||||||
| 611 | QSet<QGesture *> *undeliveredGestures) | - | ||||||||||||
| 612 | { | - | ||||||||||||
| 613 | if (gestures.isEmpty()) 
 | 0 | ||||||||||||
| 614 | return; never executed:  return; | 0 | ||||||||||||
| 615 | - | |||||||||||||
| 616 | typedef QHash<QWidget *, QList<QGesture *> > GesturesPerWidget; | - | ||||||||||||
| 617 | GesturesPerWidget conflictedGestures; | - | ||||||||||||
| 618 | GesturesPerWidget normalStartedGestures; | - | ||||||||||||
| 619 | - | |||||||||||||
| 620 | QSet<QGesture *> startedGestures; | - | ||||||||||||
| 621 | // first figure out the initial receivers of gestures | - | ||||||||||||
| 622 | for (QSet<QGesture *>::const_iterator it = gestures.begin(), | - | ||||||||||||
| 623 | e = gestures.end(); it != e; ++it) { 
 | 0 | ||||||||||||
| 624 | QGesture *gesture = *it; | - | ||||||||||||
| 625 | QWidget *target = m_gestureTargets.value(gesture, 0); | - | ||||||||||||
| 626 | if (!target) { 
 | 0 | ||||||||||||
| 627 | // the gesture has just started and doesn't have a target yet. | - | ||||||||||||
| 628 | Q_ASSERT(gesture->state() == Qt::GestureStarted); | - | ||||||||||||
| 629 | if (gesture->hasHotSpot()) { 
 | 0 | ||||||||||||
| 630 | // guess the target widget using the hotspot of the gesture | - | ||||||||||||
| 631 | QPoint pt = gesture->hotSpot().toPoint(); | - | ||||||||||||
| 632 | if (QWidget *topLevel = QApplication::topLevelAt(pt)) { 
 | 0 | ||||||||||||
| 633 | QWidget *child = topLevel->childAt(topLevel->mapFromGlobal(pt)); | - | ||||||||||||
| 634 | target = child ? child : topLevel; 
 | 0 | ||||||||||||
| 635 | } never executed:  end of block | 0 | ||||||||||||
| 636 | } else { never executed:  end of block | 0 | ||||||||||||
| 637 | // or use the context of the gesture | - | ||||||||||||
| 638 | QObject *context = m_gestureOwners.value(gesture, 0); | - | ||||||||||||
| 639 | if (context->isWidgetType()) 
 | 0 | ||||||||||||
| 640 | target = static_cast<QWidget *>(context); never executed:  target = static_cast<QWidget *>(context); | 0 | ||||||||||||
| 641 | } never executed:  end of block | 0 | ||||||||||||
| 642 | if (target) 
 | 0 | ||||||||||||
| 643 | m_gestureTargets.insert(gesture, target); never executed:  m_gestureTargets.insert(gesture, target); | 0 | ||||||||||||
| 644 | } never executed:  end of block | 0 | ||||||||||||
| 645 | - | |||||||||||||
| 646 | Qt::GestureType gestureType = gesture->gestureType(); | - | ||||||||||||
| 647 | Q_ASSERT(gestureType != Qt::CustomGesture); | - | ||||||||||||
| 648 | Q_UNUSED(gestureType); | - | ||||||||||||
| 649 | - | |||||||||||||
| 650 | if (Q_UNLIKELY(!target)) { 
 | 0 | ||||||||||||
| 651 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvent: could not find the target for gesture" never executed:  QMessageLogger(__FILE__, 651, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvent: could not find the target for gesture" << gesture->gestureType();
 | 0 | ||||||||||||
| 652 | << gesture->gestureType(); never executed:  QMessageLogger(__FILE__, 651, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvent: could not find the target for gesture" << gesture->gestureType(); | 0 | ||||||||||||
| 653 | qWarning("QGestureManager::deliverEvent: could not find the target for gesture"); | - | ||||||||||||
| 654 | undeliveredGestures->insert(gesture); | - | ||||||||||||
| 655 | } else { never executed:  end of block | 0 | ||||||||||||
| 656 | if (gesture->state() == Qt::GestureStarted) { 
 | 0 | ||||||||||||
| 657 | startedGestures.insert(gesture); | - | ||||||||||||
| 658 | } else { never executed:  end of block | 0 | ||||||||||||
| 659 | normalStartedGestures[target].append(gesture); | - | ||||||||||||
| 660 | } never executed:  end of block | 0 | ||||||||||||
| 661 | } | - | ||||||||||||
| 662 | } | - | ||||||||||||
| 663 | - | |||||||||||||
| 664 | getGestureTargets(startedGestures, &conflictedGestures, &normalStartedGestures); | - | ||||||||||||
| 665 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents:" never executed:  QMessageLogger(__FILE__, 665, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n";
 | 0 | ||||||||||||
| 666 | << "\nstarted: " << startedGestures never executed:  QMessageLogger(__FILE__, 665, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 667 | << "\nconflicted: " << conflictedGestures never executed:  QMessageLogger(__FILE__, 665, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 668 | << "\nnormal: " << normalStartedGestures never executed:  QMessageLogger(__FILE__, 665, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 669 | << "\n"; never executed:  QMessageLogger(__FILE__, 665, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents:" << "\nstarted: " << startedGestures << "\nconflicted: " << conflictedGestures << "\nnormal: " << normalStartedGestures << "\n"; | 0 | ||||||||||||
| 670 | - | |||||||||||||
| 671 | // if there are conflicting gestures, send the GestureOverride event | - | ||||||||||||
| 672 | for (GesturesPerWidget::const_iterator it = conflictedGestures.constBegin(), | - | ||||||||||||
| 673 | e = conflictedGestures.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 674 | QWidget *receiver = it.key(); | - | ||||||||||||
| 675 | QList<QGesture *> gestures = it.value(); | - | ||||||||||||
| 676 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents: sending GestureOverride to" never executed:  QMessageLogger(__FILE__, 676, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures;
 | 0 | ||||||||||||
| 677 | << receiver never executed:  QMessageLogger(__FILE__, 676, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures; | 0 | ||||||||||||
| 678 | << "gestures:" << gestures; never executed:  QMessageLogger(__FILE__, 676, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending GestureOverride to" << receiver << "gestures:" << gestures; | 0 | ||||||||||||
| 679 | QGestureEvent event(gestures); | - | ||||||||||||
| 680 | event.t = QEvent::GestureOverride; | - | ||||||||||||
| 681 | // mark event and individual gestures as ignored | - | ||||||||||||
| 682 | event.ignore(); | - | ||||||||||||
| 683 | foreach(QGesture *g, gestures) | - | ||||||||||||
| 684 | event.setAccepted(g, false); never executed:  event.setAccepted(g, false); | 0 | ||||||||||||
| 685 | - | |||||||||||||
| 686 | QApplication::sendEvent(receiver, &event); | - | ||||||||||||
| 687 | bool eventAccepted = event.isAccepted(); | - | ||||||||||||
| 688 | const auto eventGestures = event.gestures(); | - | ||||||||||||
| 689 | for (QGesture *gesture : eventGestures) { | - | ||||||||||||
| 690 | if (eventAccepted || event.isAccepted(gesture)) { 
 
 | 0 | ||||||||||||
| 691 | QWidget *w = event.m_targetWidgets.value(gesture->gestureType(), 0); | - | ||||||||||||
| 692 | Q_ASSERT(w); | - | ||||||||||||
| 693 | qCDebug(lcGestureManager) << "override event: gesture was accepted:" << gesture << w; never executed:  QMessageLogger(__FILE__, 693, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "override event: gesture was accepted:" << gesture << w;
 | 0 | ||||||||||||
| 694 | QList<QGesture *> &gestures = normalStartedGestures[w]; | - | ||||||||||||
| 695 | gestures.append(gesture); | - | ||||||||||||
| 696 | // override the target | - | ||||||||||||
| 697 | m_gestureTargets[gesture] = w; | - | ||||||||||||
| 698 | } else { never executed:  end of block | 0 | ||||||||||||
| 699 | qCDebug(lcGestureManager) << "override event: gesture wasn't accepted. putting back:" << gesture; never executed:  QMessageLogger(__FILE__, 699, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "override event: gesture wasn't accepted. putting back:" << gesture;
 | 0 | ||||||||||||
| 700 | QList<QGesture *> &gestures = normalStartedGestures[receiver]; | - | ||||||||||||
| 701 | gestures.append(gesture); | - | ||||||||||||
| 702 | } never executed:  end of block | 0 | ||||||||||||
| 703 | } | - | ||||||||||||
| 704 | } never executed:  end of block | 0 | ||||||||||||
| 705 | - | |||||||||||||
| 706 | // delivering gestures that are not in conflicted state | - | ||||||||||||
| 707 | for (GesturesPerWidget::const_iterator it = normalStartedGestures.constBegin(), | - | ||||||||||||
| 708 | e = normalStartedGestures.constEnd(); it != e; ++it) { 
 | 0 | ||||||||||||
| 709 | if (!it.value().isEmpty()) { 
 | 0 | ||||||||||||
| 710 | qCDebug(lcGestureManager) << "QGestureManager::deliverEvents: sending to" << it.key() never executed:  QMessageLogger(__FILE__, 710, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending to" << it.key() << "gestures:" << it.value();
 | 0 | ||||||||||||
| 711 | << "gestures:" << it.value(); never executed:  QMessageLogger(__FILE__, 710, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "QGestureManager::deliverEvents: sending to" << it.key() << "gestures:" << it.value(); | 0 | ||||||||||||
| 712 | QGestureEvent event(it.value()); | - | ||||||||||||
| 713 | QApplication::sendEvent(it.key(), &event); | - | ||||||||||||
| 714 | bool eventAccepted = event.isAccepted(); | - | ||||||||||||
| 715 | const auto eventGestures = event.gestures(); | - | ||||||||||||
| 716 | for (QGesture *gesture : eventGestures) { | - | ||||||||||||
| 717 | if (gesture->state() == Qt::GestureStarted && 
 | 0 | ||||||||||||
| 718 | (eventAccepted || event.isAccepted(gesture))) { 
 
 | 0 | ||||||||||||
| 719 | QWidget *w = event.m_targetWidgets.value(gesture->gestureType(), 0); | - | ||||||||||||
| 720 | Q_ASSERT(w); | - | ||||||||||||
| 721 | qCDebug(lcGestureManager) << "started gesture was delivered and accepted by" << w; never executed:  QMessageLogger(__FILE__, 721, __PRETTY_FUNCTION__, lcGestureManager().categoryName()).debug() << "started gesture was delivered and accepted by" << w;
 | 0 | ||||||||||||
| 722 | m_gestureTargets[gesture] = w; | - | ||||||||||||
| 723 | } never executed:  end of block | 0 | ||||||||||||
| 724 | } never executed:  end of block | 0 | ||||||||||||
| 725 | } never executed:  end of block | 0 | ||||||||||||
| 726 | } never executed:  end of block | 0 | ||||||||||||
| 727 | } never executed:  end of block | 0 | ||||||||||||
| 728 | - | |||||||||||||
| 729 | void QGestureManager::recycle(QGesture *gesture) | - | ||||||||||||
| 730 | { | - | ||||||||||||
| 731 | QGestureRecognizer *recognizer = m_gestureToRecognizer.value(gesture, 0); | - | ||||||||||||
| 732 | if (recognizer) { 
 | 0 | ||||||||||||
| 733 | gesture->setGestureCancelPolicy(QGesture::CancelNone); | - | ||||||||||||
| 734 | recognizer->reset(gesture); | - | ||||||||||||
| 735 | m_activeGestures.remove(gesture); | - | ||||||||||||
| 736 | } else { never executed:  end of block | 0 | ||||||||||||
| 737 | cleanupGesturesForRemovedRecognizer(gesture); | - | ||||||||||||
| 738 | } never executed:  end of block | 0 | ||||||||||||
| 739 | } | - | ||||||||||||
| 740 | - | |||||||||||||
| 741 | bool QGestureManager::gesturePending(QObject *o) | - | ||||||||||||
| 742 | { | - | ||||||||||||
| 743 | const QGestureManager *gm = QGestureManager::instance(); | - | ||||||||||||
| 744 | return gm && gm->m_gestureOwners.key(o); never executed:  return gm && gm->m_gestureOwners.key(o); | 0 | ||||||||||||
| 745 | } | - | ||||||||||||
| 746 | - | |||||||||||||
| 747 | QT_END_NAMESPACE | - | ||||||||||||
| 748 | - | |||||||||||||
| 749 | #endif // QT_NO_GESTURES | - | ||||||||||||
| 750 | - | |||||||||||||
| 751 | #include "moc_qgesturemanager_p.cpp" | - | ||||||||||||
| Source code | Switch to Preprocessed file |