Add signal to reload config on all kwin instance

(fix all dbus call)
CCMAIL: l.lunak@kde.org
(could you merge it please)

svn path=/trunk/KDE/kdebase/workspace/; revision=614887

org.kde.KWin.xml

@@ -1,7 +1,7 @@
 <!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
 <node>
-  <interface name="org.kde.KWin">
+    <interface name="org.kde.KWin">
     <method name="cascadeDesktop">
     <annotation name="org.freedesktop.DBus.Method.NoReply" value="true"/>
     </method>
@@ -38,6 +38,6 @@
     <method name="nextDesktop"/>
     <method name="previousDesktop"/>
     <method name="circulateDesktopApplications"/>
-    </method>
+    <signal name="reloadConfig"/>
   </interface>
 </node>

workspace.cpp

@@ -125,7 +125,9 @@ Workspace::Workspace( bool restore )
     forced_global_mouse_grab( false )
     {
     (void) new KWinAdaptor( this );
-    QDBusConnection::sessionBus().registerObject("/KWin", this);
+    QDBusConnection dbus = QDBusConnection::sessionBus();
+    dbus.registerObject("/KWin", this);
+    dbus.connect(QString(), "/KWin", "org.kde.KWin", "reloadConfig", this, SLOT(slotReloadConfig()));
 
     _self = this;
     mgr = new PluginMgr;
@@ -872,6 +874,11 @@ void Workspace::updateColormap()
         }
     }
 
+void Workspace::slotReloadConfig()
+{
+  reconfigure();
+}
+
 void Workspace::reconfigure()
     {
     reconfigureTimer.start( 200 );

workspace.h

@@ -406,6 +406,7 @@ class Workspace : public QObject, public KDecorationDefines
         void cleanupTemporaryRules();
         void writeWindowRules();
         void slotBlockShortcuts(int data);
+	void slotReloadConfig();
         // kompmgr
         void setPopupClientOpacity(int v);
         void resetClientOpacity();