winrt: only update window title for top level widgets

Previously we always updated the window title, independently whether the
window was visible / the toplevel one. This can also cause troubles when
setting the title during initialization.

Change-Id: I02ec0f0e385fa490f641ce83a6cb27717a31620f
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/platforms/winrt/qwinrtscreen.h b/src/plugins/platforms/winrt/qwinrtscreen.h
index a5c1d24d51..ff1ff32ce9 100644
--- a/src/plugins/platforms/winrt/qwinrtscreen.h
+++ b/src/plugins/platforms/winrt/qwinrtscreen.h
@@ -106,7 +106,7 @@ public:
     void raise(QWindow *window);
     void lower(QWindow *window);
 
-    void updateWindowTitle();
+    void updateWindowTitle(const QString &title);
 
     ABI::Windows::UI::Core::ICoreWindow *coreWindow() const;
     ABI::Windows::UI::Xaml::IDependencyObject *canvas() const;