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Fix dnd regression c427ba53aa0ee1a71aa670783f65bcfd230da653

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Qt starts drag-and-drop on a mouse button press event. Cococa in
this case won't send the matching release event, so we have to
synthesize it here.

Task-number: QTBUG-72417
Change-Id: I645b6a2733c1ea11ac4545cf3405f826af45fa47
Reviewed-by: Gatis Paeglis <gatis.paeglis@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Mikhail Svetkin 2019-04-29 15:45:14 +02:00
parent 6288c12bb4
commit a50b29d65b
1 changed files with 19 additions and 0 deletions
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19
src/plugins/platforms/cocoa/qnsview_dragging.mm
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@ -293,7 +293,26 @@ static QPoint mapWindowCoordinates(QWindow *source, QWindow *target, QPoint poin
QCocoaDrag* nativeDrag = QCocoaIntegration::instance()->drag();
nativeDrag->setAcceptedAction(qt_mac_mapNSDragOperation(operation));
// Qt starts drag-and-drop on a mouse button press event. Cococa in
// this case won't send the matching release event, so we have to
// synthesize it here.
m_buttons = currentlyPressedMouseButtons();
const auto modifiers = [QNSView convertKeyModifiers:NSApp.currentEvent.modifierFlags];
NSPoint windowPoint = [self.window convertRectFromScreen:NSMakeRect(screenPoint.x, screenPoint.y, 1, 1)].origin;
NSPoint nsViewPoint = [self convertPoint: windowPoint fromView: nil];
QPoint qtWindowPoint(nsViewPoint.x, nsViewPoint.y);
QPoint qtScreenPoint = QCocoaScreen::mapFromNative(screenPoint).toPoint();
QWindowSystemInterface::handleMouseEvent(
target,
mapWindowCoordinates(m_platformWindow->window(), target, qtWindowPoint),
qtScreenPoint,
m_buttons,
Qt::NoButton,
QEvent::MouseButtonRelease,
modifiers);
qCDebug(lcQpaMouse) << "Drag session" << session << "ended, with" << m_buttons;
}