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-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp90
-rw-r--r--src/gui/graphicsview/qgraphicsscene_p.h1
-rw-r--r--src/gui/kernel/qgesture.h1
-rw-r--r--src/gui/kernel/qgesturemanager.cpp37
-rw-r--r--src/gui/kernel/qgesturemanager_p.h2
-rw-r--r--tests/auto/gestures/tst_gestures.cpp98
-rw-r--r--tools/assistant/tools/assistant/centralwidget.cpp2
7 files changed, 182 insertions, 49 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index c459d21..9279fe3 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5941,6 +5941,13 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
continue;
}
}
+ foreach (QGesture *g, startedGestures) {
+ if (g->gestureCancelPolicy() == QGesture::CancelAllInContext) {
+ DEBUG() << "lets try to cancel some";
+ // find gestures in context in Qt::GestureStarted or Qt::GestureUpdated state and cancel them
+ cancelGesturesForChildren(g, event->widget());
+ }
+ }
// forget about targets for gestures that have ended
foreach (QGesture *g, allGestures) {
@@ -5955,6 +5962,89 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
}
}
+void QGraphicsScenePrivate::cancelGesturesForChildren(QGesture *original, QWidget *viewport)
+{
+ Q_ASSERT(original);
+ QGraphicsItem *originalItem = gestureTargets.value(original);
+ Q_ASSERT(originalItem);
+
+ // iterate over all active gestures and for each find the owner
+ // if the owner is part of our sub-hierarchy, cancel it.
+
+ QSet<QGesture *> canceledGestures;
+ QHash<QGesture *, QGraphicsObject *>::Iterator iter = gestureTargets.begin();
+ while (iter != gestureTargets.end()) {
+ QGraphicsObject *item = iter.value();
+ // note that we don't touch the gestures for our originalItem
+ if (item != originalItem && originalItem->isAncestorOf(item)) {
+ DEBUG() << " found a gesture to cancel" << iter.key();
+ iter.key()->d_func()->state = Qt::GestureCanceled;
+ canceledGestures << iter.key();
+ }
+ ++iter;
+ }
+
+ // sort them per target item by cherry picking from almostCanceledGestures and delivering
+ QSet<QGesture *> almostCanceledGestures = canceledGestures;
+ QSet<QGesture *>::Iterator setIter;
+ while (!almostCanceledGestures.isEmpty()) {
+ QGraphicsObject *target = 0;
+ QSet<QGesture*> gestures;
+ setIter = almostCanceledGestures.begin();
+ // sort per target item
+ while (setIter != almostCanceledGestures.end()) {
+ QGraphicsObject *item = gestureTargets.value(*setIter);
+ if (target == 0)
+ target = item;
+ if (target == item) {
+ gestures << *setIter;
+ setIter = almostCanceledGestures.erase(setIter);
+ } else {
+ ++setIter;
+ }
+ }
+ Q_ASSERT(target);
+
+ QList<QGesture *> list = gestures.toList();
+ QGestureEvent ev(list);
+ sendEvent(target, &ev);
+
+ foreach (QGesture *g, list) {
+ if (ev.isAccepted() || ev.isAccepted(g))
+ gestures.remove(g);
+ }
+
+ foreach (QGesture *g, gestures) {
+ if (!g->hasHotSpot())
+ continue;
+
+ QPoint screenPos = g->hotSpot().toPoint();
+ QList<QGraphicsItem *> items = itemsAtPosition(screenPos, QPointF(), viewport);
+ for (int j = 0; j < items.size(); ++j) {
+ QGraphicsObject *item = items.at(j)->toGraphicsObject();
+ if (!item)
+ continue;
+ QGraphicsItemPrivate *d = item->QGraphicsItem::d_func();
+ if (d->gestureContext.contains(g->gestureType())) {
+ QList<QGesture *> list;
+ list << g;
+ QGestureEvent ev(list);
+ sendEvent(item, &ev);
+ if (ev.isAccepted() || ev.isAccepted(g))
+ break; // successfully delivered
+ }
+ }
+ }
+ }
+
+ QGestureManager *gm = QApplicationPrivate::instance()->gestureManager;
+ Q_ASSERT(gm); // it would be very odd if we got called without a manager.
+ for (setIter = canceledGestures.begin(); setIter != canceledGestures.end(); ++setIter) {
+ gm->recycle(*setIter);
+ gestureTargets.remove(*setIter);
+ }
+}
+
QT_END_NAMESPACE
#include "moc_qgraphicsscene.cpp"
diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h
index cd20fd0..f8db084 100644
--- a/src/gui/graphicsview/qgraphicsscene_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_p.h
@@ -288,6 +288,7 @@ public:
QMap<Qt::GestureType, QGesture *> *conflictedGestures,
QList<QList<QGraphicsObject *> > *conflictedItems,
QHash<QGesture *, QGraphicsObject *> *normalGestures);
+ void cancelGesturesForChildren(QGesture *original, QWidget *viewport);
void updateInputMethodSensitivityInViews();
diff --git a/src/gui/kernel/qgesture.h b/src/gui/kernel/qgesture.h
index 524d26e..8614ecb 100644
--- a/src/gui/kernel/qgesture.h
+++ b/src/gui/kernel/qgesture.h
@@ -97,6 +97,7 @@ private:
friend class QGestureEvent;
friend class QGestureRecognizer;
friend class QGestureManager;
+ friend class QGraphicsScenePrivate;
};
class QPanGesturePrivate;
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index f1abc89..1d33c84 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -346,12 +346,7 @@ bool QGestureManager::filterEventThroughContexts(const QMultiHash<QObject *,
QSet<QGesture *> endedGestures =
finishedGestures + canceledGestures + undeliveredGestures;
foreach (QGesture *gesture, endedGestures) {
- if (QGestureRecognizer *recognizer = m_gestureToRecognizer.value(gesture, 0)) {
- gesture->setGestureCancelPolicy(QGesture::CancelNone);
- recognizer->reset(gesture);
- } else {
- cleanupGesturesForRemovedRecognizer(gesture);
- }
+ recycle(gesture);
m_gestureTargets.remove(gesture);
}
return ret;
@@ -409,15 +404,8 @@ void QGestureManager::cancelGesturesForChildren(QGesture *original)
deliverEvents(gestures, &undeliveredGestures);
}
- for (iter = cancelledGestures.begin(); iter != cancelledGestures.end(); ++iter) {
- QGestureRecognizer *recognizer = m_gestureToRecognizer.value(*iter, 0);
- if (recognizer) {
- (*iter)->setGestureCancelPolicy(QGesture::CancelNone);
- recognizer->reset(*iter);
- } else {
- cleanupGesturesForRemovedRecognizer(*iter);
- }
- }
+ for (iter = cancelledGestures.begin(); iter != cancelledGestures.end(); ++iter)
+ recycle(*iter);
}
void QGestureManager::cleanupGesturesForRemovedRecognizer(QGesture *gesture)
@@ -667,19 +655,24 @@ void QGestureManager::timerEvent(QTimerEvent *event)
it = m_maybeGestures.erase(it);
DEBUG() << "QGestureManager::timerEvent: gesture stopped due to timeout:"
<< gesture;
- QGestureRecognizer *recognizer = m_gestureToRecognizer.value(gesture, 0);
- if (recognizer) {
- gesture->setGestureCancelPolicy(QGesture::CancelNone);
- recognizer->reset(gesture);
- } else {
- cleanupGesturesForRemovedRecognizer(gesture);
- }
+ recycle(gesture);
} else {
++it;
}
}
}
+void QGestureManager::recycle(QGesture *gesture)
+{
+ QGestureRecognizer *recognizer = m_gestureToRecognizer.value(gesture, 0);
+ if (recognizer) {
+ gesture->setGestureCancelPolicy(QGesture::CancelNone);
+ recognizer->reset(gesture);
+ } else {
+ cleanupGesturesForRemovedRecognizer(gesture);
+ }
+}
+
QT_END_NAMESPACE
#include "moc_qgesturemanager_p.cpp"
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h
index 4958cdb..d60aedc 100644
--- a/src/gui/kernel/qgesturemanager_p.h
+++ b/src/gui/kernel/qgesturemanager_p.h
@@ -81,6 +81,8 @@ public:
void cleanupCachedGestures(QObject *target, Qt::GestureType type);
+ void recycle(QGesture *gesture);
+
protected:
void timerEvent(QTimerEvent *event);
bool filterEventThroughContexts(const QMultiHash<QObject *, Qt::GestureType> &contexts,
diff --git a/tests/auto/gestures/tst_gestures.cpp b/tests/auto/gestures/tst_gestures.cpp
index 02c8232..79de823 100644
--- a/tests/auto/gestures/tst_gestures.cpp
+++ b/tests/auto/gestures/tst_gestures.cpp
@@ -116,7 +116,7 @@ public:
return new CustomGesture;
}
- QGestureRecognizer::Result filterEvent(QGesture *state, QObject*, QEvent *event)
+ QGestureRecognizer::Result filterEvent(QGesture *state, QObject*o , QEvent *event)
{
if (event->type() == CustomEvent::EventType) {
QGestureRecognizer::Result result = 0;
@@ -332,6 +332,7 @@ private slots:
void consumeEventHint();
void unregisterRecognizer();
void autoCancelGestures();
+ void autoCancelGestures2();
};
tst_Gestures::tst_Gestures()
@@ -1295,20 +1296,6 @@ void tst_Gestures::unregisterRecognizer() // a method on QApplication
void tst_Gestures::autoCancelGestures()
{
- class MockRecognizer : public QGestureRecognizer {
- public:
- QGestureRecognizer::Result filterEvent(QGesture *gesture, QObject *watched, QEvent *event)
- {
- Q_UNUSED(gesture);
- Q_UNUSED(watched);
- if (event->type() == QEvent::MouseButtonPress)
- return QGestureRecognizer::GestureTriggered;
- if (event->type() == QEvent::MouseButtonRelease)
- return QGestureRecognizer::GestureFinished;
- return QGestureRecognizer::Ignore;
- }
- };
-
class MockWidget : public GestureWidget {
public:
MockWidget(const char *name) : GestureWidget(name) { }
@@ -1324,14 +1311,18 @@ void tst_Gestures::autoCancelGestures()
}
};
+ const Qt::GestureType secondGesture = QApplication::registerGestureRecognizer(new CustomGestureRecognizer);
+
MockWidget parent("parent"); // this one sets the cancel policy to CancelAllInContext
parent.resize(300, 100);
+ parent.setWindowFlags(Qt::X11BypassWindowManagerHint);
GestureWidget *child = new GestureWidget("child", &parent);
child->setGeometry(10, 10, 100, 80);
- Qt::GestureType type = QApplication::registerGestureRecognizer(new MockRecognizer());
- parent.grabGesture(type, Qt::WidgetWithChildrenGesture);
- child->grabGesture(type, Qt::WidgetWithChildrenGesture);
+ parent.grabGesture(CustomGesture::GestureType, Qt::WidgetWithChildrenGesture);
+ child->grabGesture(secondGesture, Qt::WidgetWithChildrenGesture);
+ parent.show();
+ QTest::qWaitForWindowShown(&parent);
/*
An event is send to both the child and the parent, when the child gets it a gesture is triggered
@@ -1340,18 +1331,73 @@ void tst_Gestures::autoCancelGestures()
parent gets it he accepts it and that causes the cancel policy to activate.
The cause of that is the gesture for the child is cancelled and send to the child as such.
*/
- QMouseEvent event(QEvent::MouseButtonPress, QPoint(20,20), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
+ CustomEvent event;
+ event.serial = CustomGesture::SerialStartedThreshold;
QApplication::sendEvent(child, &event);
+ QCOMPARE(child->events.all.count(), 2);
QCOMPARE(child->events.started.count(), 1);
- QCOMPARE(child->events.all.count(), 1);
- QCOMPARE(parent.events.all.count(), 0);
- child->reset();
- QApplication::sendEvent(&parent, &event);
+ QCOMPARE(child->events.canceled.count(), 1);
QCOMPARE(parent.events.all.count(), 1);
- QCOMPARE(parent.events.started.count(), 1);
- QCOMPARE(child->events.started.count(), 0);
- QCOMPARE(child->events.all.count(), 1);
+
+ // clean up, make the parent gesture finish
+ event.serial = CustomGesture::SerialFinishedThreshold;
+ QApplication::sendEvent(child, &event);
+ QCOMPARE(parent.events.all.count(), 2);
+}
+
+void tst_Gestures::autoCancelGestures2()
+{
+ class MockItem : public GestureItem {
+ public:
+ MockItem(const char *name) : GestureItem(name) { }
+
+ bool event(QEvent *event) {
+ if (event->type() == QEvent::Gesture) {
+ QGestureEvent *ge = static_cast<QGestureEvent*>(event);
+ Q_ASSERT(ge->allGestures().count() == 1); // can't use QCOMPARE here...
+ ge->allGestures().first()->setGestureCancelPolicy(QGesture::CancelAllInContext);
+ }
+ return GestureItem::event(event);
+ }
+ };
+
+ const Qt::GestureType secondGesture = QApplication::registerGestureRecognizer(new CustomGestureRecognizer);
+
+ QGraphicsScene scene;
+ QGraphicsView view(&scene);
+ view.setWindowFlags(Qt::X11BypassWindowManagerHint);
+
+ MockItem *parent = new MockItem("parent");
+ GestureItem *child = new GestureItem("child");
+ child->setParentItem(parent);
+ parent->setPos(0, 0);
+ child->setPos(10, 10);
+ scene.addItem(parent);
+ view.viewport()->grabGesture(CustomGesture::GestureType, Qt::WidgetGesture);
+ view.viewport()->grabGesture(secondGesture, Qt::WidgetGesture);
+ parent->grabGesture(CustomGesture::GestureType, Qt::WidgetWithChildrenGesture);
+ child->grabGesture(secondGesture, Qt::WidgetWithChildrenGesture);
+
+ view.show();
+ QTest::qWaitForWindowShown(&view);
+ view.ensureVisible(scene.sceneRect());
+
+ CustomEvent event;
+ event.serial = CustomGesture::SerialStartedThreshold;
+ event.hasHotSpot = true;
+ event.hotSpot = mapToGlobal(QPointF(5, 5), child, &view);
+ // qDebug() << event.hotSpot;
+ scene.sendEvent(child, &event);
+ //QEventLoop().exec();
+ QCOMPARE(parent->events.all.count(), 1);
+ QCOMPARE(child->events.started.count(), 1);
QCOMPARE(child->events.canceled.count(), 1);
+ QCOMPARE(child->events.all.count(), 2);
+
+ // clean up, make the parent gesture finish
+ event.serial = CustomGesture::SerialFinishedThreshold;
+ scene.sendEvent(child, &event);
+ QCOMPARE(parent->events.all.count(), 2);
}
QTEST_MAIN(tst_Gestures)
diff --git a/tools/assistant/tools/assistant/centralwidget.cpp b/tools/assistant/tools/assistant/centralwidget.cpp
index 2722b2f..62b4736 100644
--- a/tools/assistant/tools/assistant/centralwidget.cpp
+++ b/tools/assistant/tools/assistant/centralwidget.cpp
@@ -222,8 +222,8 @@ CentralWidget::CentralWidget(QHelpEngine *engine, MainWindow *parent)
QVBoxLayout *vboxLayout = new QVBoxLayout(this);
QString resourcePath = QLatin1String(":/trolltech/assistant/images/");
-#ifndef Q_OS_MAC
vboxLayout->setMargin(0);
+#ifndef Q_OS_MAC
resourcePath.append(QLatin1String("win"));
#else
resourcePath.append(QLatin1String("mac"));
generated by cgit v0.12 at 2025-08-08 09:05:34 (GMT)