I need a window foldable, moveable and resizable, any idea?
The behavior you're talking about is inherited when it is an "In-panel" widget (so it shows up in the header with the collapse option). If you are creating a custom widget, you can set the
inPanel property to
true in the Widget Manifest file:
Or if you add it to the Header Controller it will automatically be an in panel widget:
Then simply add your widget: