Make KPassivePopup emit a signal when a popup is hidden

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1259345 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kdeui/kpassivepopup.cpp

@@ -226,6 +226,7 @@ void KPassivePopup::show(const TQPoint &p)
 void KPassivePopup::hideEvent( TQHideEvent * )
 {
     hideTimer->stop();
+    emit( hidden( this ) );
     if ( m_autoDelete )
         deleteLater();
 }

kdeui/kpassivepopup.h

@@ -291,6 +291,11 @@ signals:
      */
     void clicked( TQPoint pos );
 
+    /**
+     * Emitted when the popup is hidden.
+     */
+    void hidden(KPassivePopup*);
+
 protected:
     /**
      * This method positions the popup.