Guard against calling QWindow::requestUpdate() on non-GUI threads

Change-Id: I851ff672bc234146deb61615fc7c56df87d62065 Reviewed-by: Laszlo Agocs <[email protected]> Reviewed-by: Timur Pocheptsov <[email protected]>
RDevCore · Aug 30, 2016 · ce2815b · ce2815b
1 parent 17e5d9d
commit ce2815b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
@@ -2160,6 +2160,9 @@ void QWindowPrivate::deliverUpdateRequest()
 */
 void QWindow::requestUpdate()
 {
+    Q_ASSERT_X(QThread::currentThread() == QCoreApplication::instance()->thread(),
+        "QWindow", "Updates can only be scheduled from the GUI (main) thread");
+
     Q_D(QWindow);
     if (d->updateRequestPending || !d->platformWindow)
         return;