Menubars in dual screen mode now popup the menus on the correct screen

If an item is split then its menu appears on the screen which contains
most of it.

Task-number: QTBUG-773
Reviewed-by: ogoffart

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gui/widgets/qmenubar.cpp b/src/gui/widgets/qmenubar.cpp
index 689d2e1..b1ff662 100644
--- a/src/gui/widgets/qmenubar.cpp
+++ b/src/gui/widgets/qmenubar.cpp
@@ -332,7 +332,9 @@ void QMenuBarPrivate::popupAction(QAction *action, bool activateFirst)
         QPoint pos(q->mapToGlobal(QPoint(adjustedActionRect.left(), adjustedActionRect.bottom() + 1)));
         QSize popup_size = activeMenu->sizeHint();
 
-        QRect screenRect = QApplication::desktop()->screenGeometry(pos);
+        //we put the popup menu on the screen containing the bottom-center of the action rect
+        QRect screenRect = QApplication::desktop()->screenGeometry(pos + QPoint(adjustedActionRect.width() / 2, 0));
+        pos = QPoint(qMax(pos.x(), screenRect.x()), qMax(pos.y(), screenRect.y()));
 
         const bool fitUp = (q->mapToGlobal(adjustedActionRect.topLeft()).y() >= popup_size.height());
         const bool fitDown = (pos.y() + popup_size.height() <= screenRect.bottom());