From 8401e31e7c0375f9c595678b510b6d2092a2f2e6 Mon Sep 17 00:00:00 2001 From: Frederik Gladhorn Date: Wed, 8 Sep 2010 17:10:45 +0200 Subject: Add test: assert when gesture is never accepted. Test for Qt-Bug 13501. --- tests/auto/gestures/tst_gestures.cpp | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tests/auto/gestures/tst_gestures.cpp b/tests/auto/gestures/tst_gestures.cpp index ddc3939..667cdd3 100644 --- a/tests/auto/gestures/tst_gestures.cpp +++ b/tests/auto/gestures/tst_gestures.cpp @@ -41,6 +41,7 @@ #include +#include #include "../../shared/util.h" #include @@ -361,6 +362,7 @@ private slots: void partialGesturePropagation(); void testQGestureRecognizerCleanup(); void testReuseCanceledGestures(); + void bug_13501_gesture_not_accepted(); }; tst_Gestures::tst_Gestures() @@ -2306,5 +2308,29 @@ void tst_Gestures::conflictingGesturesInGraphicsView() QCOMPARE(item1->gestureEventsReceived, TotalGestureEventsCount); } +class NoConsumeWidgetBug13501 :public QWidget +{ + Q_OBJECT +protected: + bool event(QEvent *e) { + if(e->type() == QEvent::Gesture) { + return false; + } + return QWidget::event(e); + } +}; + +void tst_Gestures::bug_13501_gesture_not_accepted() +{ + // Create a gesture event that is not accepted by any widget + // make sure this does not lead to an assert in QGestureManager + NoConsumeWidgetBug13501 w; + w.grabGesture(Qt::TapGesture); + w.show(); + QTest::qWaitForWindowShown(&w); + //QTest::mousePress(&ignoreEvent, Qt::LeftButton); + QTest::touchEvent(&w).press(0, QPoint(10, 10), &w); +} + QTEST_MAIN(tst_Gestures) #include "tst_gestures.moc" -- cgit v0.12 From 33f9950996ada06fc39b68f6656b1defdccd8c3a Mon Sep 17 00:00:00 2001 From: Jeremy Katz Date: Tue, 14 Sep 2010 17:09:56 +0200 Subject: fix QTBUG-13501 - crash when a gesture is accepted but not consumed Reviewed-by: Denis Dzyubenko --- src/gui/kernel/qapplication.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp index caeeeb9..2fd2f46 100644 --- a/src/gui/kernel/qapplication.cpp +++ b/src/gui/kernel/qapplication.cpp @@ -4367,11 +4367,13 @@ bool QApplication::notify(QObject *receiver, QEvent *e) eventAccepted = ge.isAccepted(); for (int i = 0; i < gestures.size(); ++i) { QGesture *g = gestures.at(i); - if ((res && eventAccepted) || (!eventAccepted && ge.isAccepted(g))) { + // Ignore res [event return value] because handling of multiple gestures + // packed into a single QEvent depends on not consuming the event + if (eventAccepted || ge.isAccepted(g)) { // if the gesture was accepted, mark the target widget for it gestureEvent->d_func()->targetWidgets[g->gestureType()] = w; gestureEvent->setAccepted(g, true); - } else if (!eventAccepted && !ge.isAccepted(g)) { + } else { // if the gesture was explicitly ignored by the application, // put it back so a parent can get it allGestures.append(g); -- cgit v0.12