Cocoa: use mouse location from event

This is offcourse important, and the bug was revealed when
calling qApp->processEvents(QEventLoop:excludeUserInputEvents),
as this call would que up mouse events and dispatch them later on.
And offcourse, the mouse would have changed position at that point.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index c8132e806d..af8692d67d 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -1048,7 +1048,6 @@ QWidget *qt_mac_getTargetForKeyEvent(QWidget *widgetThatReceivedEvent)
 // events
 QWidget *qt_mac_getTargetForMouseEvent(
     // You can call this function without providing an event.
-    // If so, set returnGlobalPoint before the call.
     NSEvent *event,
     QEvent::Type eventType,
     QPoint &returnLocalPoint,
@@ -1057,7 +1056,8 @@ QWidget *qt_mac_getTargetForMouseEvent(
     QWidget **returnWidgetUnderMouse)
 {
     Q_UNUSED(event);
-    returnGlobalPoint = flipPoint([NSEvent mouseLocation]).toPoint();
+    NSPoint nsglobalpoint = event ? [[event window] convertBaseToScreen:[event locationInWindow]] : [NSEvent mouseLocation];
+    returnGlobalPoint = flipPoint(nsglobalpoint).toPoint();
     QWidget *mouseGrabber = QWidget::mouseGrabber();
     bool buttonDownNotBlockedByModal = qt_button_down && !QApplicationPrivate::isBlockedByModal(qt_button_down);
     QWidget *popup = QApplication::activePopupWidget();