Qt: Avoid focus stealing of the tooltip on Win32

Close #12060
Ref #12084

diff --git a/modules/gui/qt4/util/timetooltip.cpp b/modules/gui/qt4/util/timetooltip.cpp
index bb472d7111e33c13d4e03dd4954767f03e69e98e..574eca9d259c5c69645ff4cba5936df36ea66460 100644 (file)
--- a/modules/gui/qt4/util/timetooltip.cpp
+++ b/modules/gui/qt4/util/timetooltip.cpp
@@ -33,12 +33,14 @@
 TimeTooltip::TimeTooltip( QWidget *parent ) :
     QWidget( parent )
 {
-    setWindowFlags( Qt::Window                  |
+    setWindowFlags(
+#if defined( Q_OS_WIN )
+                    Qt::ToolTip
+#else
+                    Qt::Window                  |
                     Qt::WindowStaysOnTopHint    |
                     Qt::FramelessWindowHint     |
                     Qt::X11BypassWindowManagerHint
-#if HAS_QT5
-                    | Qt::WindowDoesNotAcceptFocus
 #endif
                     );