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-rw-r--r--src/corelib/global/qnamespace.h12
-rw-r--r--src/corelib/global/qnamespace.qdoc18
-rw-r--r--src/gui/graphicsview/qgraphicsscene.cpp13
-rw-r--r--src/gui/kernel/qapplication.cpp7
-rw-r--r--src/gui/kernel/qgesturemanager.cpp16
5 files changed, 54 insertions, 12 deletions
diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index aeaca54..561ffc1 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1715,14 +1715,19 @@ public:
LastGestureType = ~0u
};
- enum GestureContext
+ enum GestureContextFlag
{
WidgetGesture = 0,
WidgetWithChildrenGesture = 3,
- ItemGesture = WidgetGesture,
- ItemWithChildrenGesture = WidgetWithChildrenGesture
+ ItemGesture = WidgetGesture,
+ ItemWithChildrenGesture = WidgetWithChildrenGesture,
+
+ GestureContext_Mask = 0x00ff,
+ AcceptPartialGesturesHint = 0x0100,
+ GestureContextHint_Mask = 0xff00
};
+ Q_DECLARE_FLAGS(GestureContext, GestureContextFlag)
enum NavigationMode
{
@@ -1757,6 +1762,7 @@ Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::MatchFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::TextInteractionFlags)
Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::InputMethodHints)
Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::TouchPointStates)
+Q_DECLARE_OPERATORS_FOR_FLAGS(Qt::GestureContext)
typedef bool (*qInternalCallback)(void **);
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 3fcbe57..f2a8882 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -2917,11 +2917,11 @@
QApplication::registerGestureRecognizer() function which generates a custom gesture ID
in the range of values from CustomGesture to LastGestureType.
- \sa QGesture, QWidget::grabGesture()
+ \sa QGesture, QWidget::grabGesture(), QGraphicsObject::grabGesture()
*/
/*!
- \enum Qt::GestureContext
+ \enum Qt::GestureContextFlag
\since 4.6
This enum type describes the context of a gesture.
@@ -2937,7 +2937,19 @@
\value ItemWithChildrenGesture Gestures can start on the item or over
any of its children.
- \sa QWidget::grabGesture()
+ \value AcceptPartialGesturesHint Allows any ignored gesture events to be
+ propagated to parent widgets which have specified this hint. By default
+ only gestures that are in the Qt::GestureStarted state are propagated and
+ the widget only gets the full gesture sequence starting with a gesture in
+ the Qt::GestureStarted state and ending with a gesture in the
+ Qt::GestureFinished or Qt::GestureCanceled states.
+
+ \value GestureContext_Mask A mask for extracting the context type of the
+ context flags.
+ \value GestureContextHint_Mask A mask for extracting additional hints for
+ the context.
+
+ \sa QWidget::grabGesture(), QGraphicsObject::grabGesture()
*/
/*!
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 9279fe3..f5bb408 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -5900,7 +5900,12 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
QGraphicsItemPrivate *gid = item->QGraphicsItem::d_func();
foreach(QGesture *g, alreadyIgnoredGestures) {
- if (gid->gestureContext.contains(g->gestureType()))
+ QMap<Qt::GestureType, Qt::GestureContext>::iterator contextit =
+ gid->gestureContext.find(g->gestureType());
+ bool deliver = contextit != gid->gestureContext.end() &&
+ (g->state() == Qt::GestureStarted ||
+ (contextit.value() & Qt::GestureContextHint_Mask) & Qt::AcceptPartialGesturesHint);
+ if (deliver)
gestures += g;
}
if (gestures.isEmpty())
@@ -5913,8 +5918,12 @@ void QGraphicsScenePrivate::gestureEventHandler(QGestureEvent *event)
sendEvent(item, &ev);
QSet<QGesture *> ignoredGestures;
foreach (QGesture *g, gestures) {
- if (!ev.isAccepted() && !ev.isAccepted(g))
+ if (!ev.isAccepted() && !ev.isAccepted(g)) {
ignoredGestures.insert(g);
+ } else {
+ if (g->state() == Qt::GestureStarted)
+ gestureTargets[g] = item;
+ }
}
if (!ignoredGestures.isEmpty()) {
// get a list of items under the (current) hotspot of each ignored
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 06787eb..b9e7d52 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -4161,7 +4161,12 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
for (int i = 0; i < allGestures.size();) {
QGesture *g = allGestures.at(i);
Qt::GestureType type = g->gestureType();
- if (wd->gestureContext.contains(type)) {
+ QMap<Qt::GestureType, Qt::GestureContext>::iterator contextit =
+ wd->gestureContext.find(type);
+ bool deliver = contextit != wd->gestureContext.end() &&
+ (g->state() == Qt::GestureStarted || w == receiver ||
+ (contextit.value() & Qt::GestureContextHint_Mask) & Qt::AcceptPartialGesturesHint);
+ if (deliver) {
allGestures.removeAt(i);
gestures.append(g);
} else {
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 318d4b5..e4a1eb4 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -448,7 +448,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
{
for (ContextIterator it = w->d_func()->gestureContext.begin(),
e = w->d_func()->gestureContext.end(); it != e; ++it) {
- if (it.value() == Qt::WidgetWithChildrenGesture) {
+ if ((it.value() & Qt::GestureContext_Mask) == Qt::WidgetWithChildrenGesture) {
if (!types.contains(it.key())) {
types.insert(it.key());
contexts.insertMulti(w, it.key());
@@ -482,7 +482,7 @@ bool QGestureManager::filterEvent(QGraphicsObject *receiver, QEvent *event)
typedef QMap<Qt::GestureType, Qt::GestureContext>::const_iterator ContextIterator;
for (ContextIterator it = item->QGraphicsItem::d_func()->gestureContext.begin(),
e = item->QGraphicsItem::d_func()->gestureContext.end(); it != e; ++it) {
- if (it.value() == Qt::ItemWithChildrenGesture) {
+ if ((it.value() & Qt::GestureContext_Mask) == Qt::ItemWithChildrenGesture) {
if (!types.contains(it.key())) {
types.insert(it.key());
contexts.insertMulti(item, it.key());
@@ -525,7 +525,7 @@ void QGestureManager::getGestureTargets(const QSet<QGesture*> &gestures,
= w->d_func()->gestureContext.find(type);
if (it != w->d_func()->gestureContext.end()) {
// i.e. 'w' listens to gesture 'type'
- Qt::GestureContext context = it.value();
+ Qt::GestureContext context = it.value() & Qt::GestureContext_Mask;
if (context == Qt::WidgetWithChildrenGesture && w != widget) {
// conflicting gesture!
(*conflicts)[widget].append(gestures[widget]);
@@ -645,6 +645,16 @@ void QGestureManager::deliverEvents(const QSet<QGesture *> &gestures,
<< "gestures:" << it.value();
QGestureEvent event(it.value());
QApplication::sendEvent(it.key(), &event);
+ bool eventAccepted = event.isAccepted();
+ foreach (QGesture *gesture, event.allGestures()) {
+ if (gesture->state() == Qt::GestureStarted &&
+ (eventAccepted || event.isAccepted(gesture))) {
+ QWidget *w = event.d_func()->targetWidgets.value(gesture->gestureType(), 0);
+ Q_ASSERT(w);
+ DEBUG() << "started gesture was delivered and accepted by" << w;
+ m_gestureTargets[gesture] = w;
+ }
+ }
}
}
}
generated by cgit v0.12 at 2024-11-05 15:06:29 (GMT)