OutputPanes::hasFocus() needs to check the window's focus widget

QWidget::hasFocus() returns false if the window isn't active.

Task-number: QTCREATORBUG-13361
Change-Id: I7152ec2139bbb255c2a722e378a111dc4bc2ed62
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/projectexplorer/appoutputpane.cpp

@@ -306,7 +306,10 @@ void AppOutputPane::visibilityChanged(bool /* b */)
 
 bool AppOutputPane::hasFocus() const
 {
-    return m_tabWidget->currentWidget() && m_tabWidget->currentWidget()->hasFocus();
+    QWidget *widget = m_tabWidget->currentWidget();
+    if (!widget)
+        return false;
+    return widget->window()->focusWidget() == widget;
 }
 
 bool AppOutputPane::canFocus() const