summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qgesturemanager.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/kernel/qgesturemanager.cpp')
-rw-r--r--src/gui/kernel/qgesturemanager.cpp86
1 files changed, 56 insertions, 30 deletions
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index ef4b3d0..a93248a 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -41,6 +41,7 @@
#include "qgesturemanager_p.h"
#include "qgesture.h"
+#include "qgesture_p.h"
#include "qevent.h"
#include "qapplication.h"
@@ -66,7 +67,7 @@ bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event);
static const unsigned int MaximumGestureRecognitionTimeout = 2000;
QGestureManager::QGestureManager(QObject *parent)
- : QObject(parent), targetWidget(0), eventDeliveryDelayTimeout(300),
+ : QObject(parent), eventDeliveryDelayTimeout(300),
delayedPressTimer(0), lastMousePressReceiver(0), lastMousePressEvent(QEvent::None, QPoint(), Qt::NoButton, 0, 0),
lastGestureId(0), state(NotGesture)
{
@@ -95,16 +96,6 @@ void QGestureManager::removeRecognizer(QGestureRecognizer *recognizer)
bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
{
- if (state != Gesture) {
- // find the target widget
- QWidget *w = receiver;
- while (w && w->d_func()->gestures.isEmpty())
- w = w->parentWidget();
- if (!w) // no widget in the tree that accepts gestures.
- return false;
- targetWidget = w;
- }
-
QPoint currentPos;
switch (event->type()) {
case QEvent::MouseButtonPress:
@@ -127,7 +118,6 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
DEBUG() << "QGestureManager: current event processing state: "
<< (state == NotGesture ? "NotGesture" : "MaybeGesture");
- Q_ASSERT(targetWidget != 0);
QSet<QGestureRecognizer*> stillMaybeGestures;
// try other recognizers.
foreach(QGestureRecognizer *r, recognizers) {
@@ -186,9 +176,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
gestures << gesture;
}
Q_ASSERT(!gestures.isEmpty());
- QGestureEvent event(gestures);
- ret = sendGestureEvent(targetWidget, &event);
- ret = ret && event.isAccepted();
+ ret = sendGestureEvent(receiver, gestures);
if (!activeGestures.isEmpty()) {
DEBUG() << "QGestureManager: new state = Gesture";
@@ -251,6 +239,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
}
}
}
+ // TODO: make sure that if gesture recognizer ignored the event we dont swallow it.
activeGestures -= newMaybeGestures;
activeGestures -= cancelledGestures;
@@ -291,9 +280,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
foreach(QGestureRecognizer *r, cancelledGestures)
cancelledGestureNames << r->gestureType();
if(!gestures.isEmpty()) {
- QGestureEvent event(gestures, cancelledGestureNames);
- ret = sendGestureEvent(targetWidget, &event);
- ret = ret && event.isAccepted();
+ ret = sendGestureEvent(receiver, gestures, cancelledGestureNames);
}
foreach(QGestureRecognizer *r, finishedGestures)
@@ -343,6 +330,7 @@ bool QGestureManager::filterEvent(QWidget *receiver, QEvent *event)
}
lastMousePressReceiver = 0;
}
+ lastMousePressReceiver = 0;
killTimer(delayedPressTimer);
delayedPressTimer = 0;
} else if (state == MaybeGesture && event->type() == QEvent::MouseButtonPress
@@ -394,6 +382,7 @@ void QGestureManager::timerEvent(QTimerEvent *event)
lastMousePressReceiver = 0;
}
+ lastMousePressReceiver = 0;
killTimer(delayedPressTimer);
delayedPressTimer = 0;
} else {
@@ -425,11 +414,6 @@ bool QGestureManager::inGestureMode()
return state == Gesture;
}
-void QGestureManager::setGestureTargetWidget(QWidget *widget)
-{
- targetWidget = widget;
-}
-
void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result)
{
QGestureRecognizer *recognizer = qobject_cast<QGestureRecognizer*>(sender());
@@ -459,8 +443,7 @@ void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result)
if (QGesture *gesture = recognizer->getGesture())
gestures << gesture;
if(!gestures.isEmpty()) {
- QGestureEvent event(gestures);
- sendGestureEvent(targetWidget, &event);
+ //FIXME: sendGestureEvent(targetWidget, gestures);
}
if (result == QGestureRecognizer::GestureFinished)
recognizer->reset();
@@ -469,9 +452,7 @@ void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result)
case QGestureRecognizer::MaybeGesture: {
DEBUG() << "QGestureManager: maybe gesture: " << recognizer;
if (activeGestures.contains(recognizer)) {
- QGestureEvent event(QList<QGesture*>(),
- QSet<QString>() << recognizer->gestureType());
- sendGestureEvent(targetWidget, &event);
+ //FIXME: sendGestureEvent(targetWidget, QList<QGesture*>(), QSet<QString>() << recognizer->gestureType());
}
if (!maybeGestures.contains(recognizer)) {
int timerId = startTimer(MaximumGestureRecognitionTimeout);
@@ -499,9 +480,54 @@ void QGestureManager::recognizerStateChanged(QGestureRecognizer::Result result)
}
}
-bool QGestureManager::sendGestureEvent(QWidget *receiver, QGestureEvent *event)
+bool QGestureManager::sendGestureEvent(QWidget *receiver, const QList<QGesture*> &gestures,
+ const QSet<QString> &cancelled)
{
- return qt_sendSpontaneousEvent(receiver, event);
+ typedef QMap<QWidget*, QList<QGesture*> > WidgetGesturesMap;
+ WidgetGesturesMap widgetGestures;
+ for(QList<QGesture*>::const_iterator it = gestures.begin(), e = gestures.end();
+ it != e; ++it) {
+ QGesture *g = *it;
+ QGesturePrivate *gd = g->d_func();
+ if (g->state() == Qt::GestureStarted) {
+ // find the target widget
+ QWidget *w = receiver;
+ while (w) {
+ QSet<int>::iterator it = w->d_func()->gestures.begin(),
+ e = w->d_func()->gestures.end();
+ for (; it != e; ++it) {
+ if (gestureNameFromId(*it) == g->type())
+ break;
+ }
+ if (it != e)
+ break;
+ w = w->parentWidget();
+ }
+ if (!w) // no widget in the tree that accepts this gesture.
+ continue;
+ gd->widget = w;
+ }
+ if (!gd->widget) {
+ DEBUG() << "QGestureManager: didn't find a widget to send gesture event ("
+ << g->type() << ") for tree:" << receiver;
+ continue;
+ }
+ widgetGestures[gd->widget].append(g);
+ }
+
+ // we return true and stop original from being delivered if any of
+ // the gesture events were accepted by a receiver.
+ bool ret = false;
+ for(WidgetGesturesMap::const_iterator it = widgetGestures.begin(), e = widgetGestures.end();
+ it != e; ++it) {
+ QWidget *receiver = it.key();
+ Q_ASSERT(receiver != 0 /*should be taken care above*/);
+ // TODO: send cancelled gesture event to the widget that received the original gesture!
+ QGestureEvent event(it.value(), cancelled);
+ if (qt_sendSpontaneousEvent(receiver, &event) && event.isAccepted())
+ ret = true;
+ }
+ return ret;
}
int QGestureManager::eventDeliveryDelay() const
generated by cgit v0.12 at 2025-01-23 18:34:43 (GMT)