Add toggleCompositing to dbus interface. This method call should be used by external applications instead of changing kwin's config and forcing kwin to reload.

FEATURE: 181544

svn path=/trunk/KDE/kdebase/workspace/; revision=948160

org.kde.KWin.xml

@@ -14,6 +14,9 @@
     <method name="killWindow">
       <annotation name="org.freedesktop.DBus.Method.NoReply" value="true"/>
     </method>
+    <method name="toggleCompositing">
+      <annotation name="org.freedesktop.DBus.Method.NoReply" value="true"/>
+    </method>
     <method name="refresh"/>
     <method name="doNotManage">
       <arg name="name" type="s" direction="in"/>

workspace.h

@@ -328,6 +328,8 @@ class Workspace : public QObject, public KDecorationDefines
         // KDE4 remove me - And it's also in the DCOP interface :(
         void showWindowMenuAt( unsigned long id, int x, int y );
 
+        void toggleCompositing()
+            { slotToggleCompositing(); }
         void loadEffect( const QString& name );
         void toggleEffect( const QString& name );
         void reconfigureEffect( const QString& name );