add: this.addEventListener( "changeActive", this._onChangeActive ); 
context:   function() {    qx.ui.window.Window.call( this );    this._activeControl = null;    this._activateListenerWidgets = new Array();    this.addEventListener( "changeActiveChild", this._onChangeActiveChild );  }
meta: 8114	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8114/febc1dffa6c9a89cd394877e0e6c0b642b21f8d4/Shell.js/clean/bundles/org.eclipse.rap.rwt/js/org/eclipse/rap/rwt/widgets/Shell.js