you're right, here's a simple example:
#########################
qx.Class.define("testdesktop.Application",
{
extend : qx.application.Standalone,
members :
{
main : function()
{
this.base(arguments);
this.widget = new Array();
var windowManager = new qx.ui.window.Manager();
var desktop = new
qx.ui.window.Desktop(windowManager).set({
backgroundColor: "#ffffff"
});
var window_temp = new
qx.ui.window.Window("test-window");
window_temp.setLayout(new qx.ui.layout.Grid());
window_temp.set(
{
width: 200,
height: 200
});
desktop.add(window_temp, {top: 100, left: 100});
this.widget["desktop"] = desktop;
this.getRoot().add(this.widget["desktop"], {edge: 1});
window_temp.open();
var button = new qx.ui.toolbar.Button("lock desktop");
button.addListener("execute", function(evt) {
this.widget["desktop"].block(); // <<<<<<----
here is the problem
}, this);
window_temp.add(button, {row: 0, column: 0});
},
widget : null
}
});
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