Fix keyboard focus of RWHVQDW after popup

Task-number: QTBUG-56652
Change-Id: I1a6655587a9104dd817332e2eb5f886c057d8f64
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
index 8c8e9fb71..27268d26b 100644
--- a/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
+++ b/src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp
@@ -202,6 +202,13 @@ QRectF RenderWidgetHostViewQtDelegateWidget::contentsRect() const
 
 void RenderWidgetHostViewQtDelegateWidget::setKeyboardFocus()
 {
+    // If the corresponding window is inactive (for example, because of a popup),
+    // the active focus cannot be set. Sync up with the Window System to try to
+    // reactivate the window in time if the other window (possibly popup) which took
+    // the focus is already closed.
+    if (window() && !window()->isActive())
+        QGuiApplication::sync();
+
     m_rootItem->forceActiveFocus();
 }