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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 | - | ||||||||||||
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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 | - | ||||||||||||
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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 |