Avoid qobject_cast

This is slightly faster, and also avoids accessing the object's meta
object that would cause any lazily created meta objects from being built.

Change-Id: I0a78e09511c120bdbe707a1efc91ba480ab7680c
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>

diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index 03c28a7..570f3f7 100644 (file)
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1007,7 +1007,8 @@ bool QGuiApplication::notify(QObject *object, QEvent *event)
     }
 #endif
 
-    QGuiApplicationPrivate::sendQWindowEventToQPlatformWindow(qobject_cast<QWindow *>(object), event);
+    if (object->isWindowType())
+        QGuiApplicationPrivate::sendQWindowEventToQPlatformWindow(static_cast<QWindow *>(object), event);
     return QCoreApplication::notify(object, event);
 }