diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp index 8f6c5d748cf8c658b5d17fe9b8c549f1df1145a4..269fe452c1ce1ecd7462256247398ec1395ff564 100644 --- a/src/widgets/kernel/qapplication.cpp +++ b/src/widgets/kernel/qapplication.cpp @@ -4230,8 +4230,9 @@ bool QApplicationPrivate::shouldSetFocus(QWidget *w, Qt::FocusPolicy policy) return true; } -void QApplicationPrivate::updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent) +bool QApplicationPrivate::updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent) { + bool containsPress = false; for (int i = 0; i < touchEvent->touchPoints().count(); ++i) { QTouchEvent::TouchPoint &touchPoint = touchEvent->_touchPoints[i]; @@ -4244,7 +4245,11 @@ void QApplicationPrivate::updateTouchPointsForWidget(QWidget *widget, QTouchEven touchPoint.d->rect = rect; touchPoint.d->startPos = widget->mapFromGlobal(touchPoint.startScreenPos().toPoint()) + delta; touchPoint.d->lastPos = widget->mapFromGlobal(touchPoint.lastScreenPos().toPoint()) + delta; + + if (touchPoint.state() == Qt::TouchPointPressed) + containsPress = true; } + return containsPress; } void QApplicationPrivate::initializeMultitouch() @@ -4391,11 +4396,14 @@ bool QApplicationPrivate::translateRawTouchEvent(QWidget *window, QApplication::keyboardModifiers(), it.value().first, it.value().second); - updateTouchPointsForWidget(widget, &touchEvent); + bool containsPress = updateTouchPointsForWidget(widget, &touchEvent); touchEvent.setTimestamp(timestamp); touchEvent.setWindow(window->windowHandle()); touchEvent.setTarget(widget); + if (containsPress) + widget->setAttribute(Qt::WA_WState_AcceptedTouchBeginEvent); + switch (touchEvent.type()) { case QEvent::TouchBegin: { diff --git a/src/widgets/kernel/qapplication_p.h b/src/widgets/kernel/qapplication_p.h index 156bf3419461da9927e02712949d4b02720baa42..7d97235c66b81319c17b32003f31716c4c14905d 100644 --- a/src/widgets/kernel/qapplication_p.h +++ b/src/widgets/kernel/qapplication_p.h @@ -275,7 +275,7 @@ public: QPixmap *ignore_cursor; #endif - static void updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent); + static bool updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent); void initializeMultitouch(); void initializeMultitouch_sys(); void cleanupMultitouch();