Close popups on non-client area mouse press.

Fixed QComboBox popup issue which was left open if window
was moved(dragged) to another position.

Task-number: QTBUG-1894
Task-number: QTBUG-26120
Task-number: QTBUG-26465
Task-number: QTBUG-26827

Change-Id: I7e37b37881cdf94574d79f7e77d36f5bbc15f732
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@digia.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index ac75b9e085..43fe26cb0d 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -8374,6 +8374,17 @@ bool QWidget::event(QEvent *event)
     case QEvent::MouseButtonDblClick:
         mouseDoubleClickEvent((QMouseEvent*)event);
         break;
+
+     case QEvent::NonClientAreaMouseButtonPress: {
+        QWidget* w;
+        while ((w = QApplication::activePopupWidget()) && w != this) {
+            w->close();
+            if (QApplication::activePopupWidget() == w) // widget does not want to disappear
+                w->hide(); // hide at least
+            }
+        break;
+        }
+
 #ifndef QT_NO_WHEELEVENT
     case QEvent::Wheel:
         wheelEvent((QWheelEvent*)event);