add clearApplets() method to Corona, as discussed on panel-devel.

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=698001

corona.cpp

@@ -191,9 +191,8 @@ void Corona::saveApplets() const
 
 void Corona::loadApplets(const QString& config)
 {
-    qDeleteAll(d->applets);
-    d->applets.clear();
-
+    clearApplets();
+    
     KConfig appletConfig(config, KConfig::OnlyLocal);
     foreach (const QString& group, appletConfig.groupList()) {
         KConfigGroup cg(&appletConfig, group);
@@ -207,6 +206,12 @@ void Corona::loadApplets()
     loadApplets("plasma-appletsrc");
 }
 
+void Corona::clearApplets()
+{
+    qDeleteAll(d->applets);
+    d->applets.clear();
+}
+
 Applet* Corona::addApplet(const QString& name, const QStringList& args, uint id, const QRectF& geometry)
 {
     Applet* applet = Applet::loadApplet(name, id, args);

corona.h

@@ -90,6 +90,11 @@ public:
      */
     void loadApplets(const QString &config);
 
+    /**
+     * Clear the Corona from all applets.
+     */
+    void clearApplets();
+    
 public Q_SLOTS:
     /**
      * Load applets from the default config file