Qt: properly show the dialog buttons on Win32

Close #13648

diff --git a/modules/gui/qt4/util/qvlcframe.hpp b/modules/gui/qt4/util/qvlcframe.hpp
index 3706f4d7f4b0d9d0680055477a8f5e733d4d690a..13b21fb410169e83e1f1ab5804789be30d2be21a 100644 (file)
--- a/modules/gui/qt4/util/qvlcframe.hpp
+++ b/modules/gui/qt4/util/qvlcframe.hpp
@@ -152,7 +152,10 @@ class QVLCDialog : public QDialog
 public:
     QVLCDialog( QWidget* parent, intf_thread_t *_p_intf ) :
                                     QDialog( parent ), p_intf( _p_intf )
-    {}
+    {
+        setWindowFlags( Qt::Dialog|Qt::WindowMinMaxButtonsHint|
+                        Qt::WindowSystemMenuHint|Qt::WindowCloseButtonHint );
+    }
     virtual ~QVLCDialog() {};
     void toggleVisible()
     {