Hi Ralf,

I am sorry, but I don't think this is possible with the current 
versions. I even don't know of any work-around. I just spend some 
minutes again to find some hack, but nothing useful found.

Alternatively you can maybe enable/disable items only which should be 
less problematic.

Otherwise the only way would be to recreate the menu.

Regards,

Sebastian


Ralf Sternberg schrieb:
> Hi,
> 
> I'm trying to add or delete menu items (e.g. qx.ui.menu.Button) to/from 
> a qx.ui.menu.Menu while the menu is currently seeable. Unfortunately, 
> the width of the menu is not updated. As a result, if one of the added 
> menu items is larger than the existing menu, the menu appears with its 
> old width (see attached screenshot). Calling menu.pack() after adding 
> items doesn't help.
> 
> Is this generally impossible to add menu items while the menu is seeable 
> or is there any way to refresh the menu bounds after adding items?
> 
> Some (although not very useful) code to reproduce:
> 
>     // set up context-menu
>     var cmenu = new qx.ui.menu.Menu();
>     cmenu.addToDocument();
> 
>     // setup initial item
>     var m_1 = new qx.ui.menu.Button( "Simple" );
>     cmenu.add( m_1 );
>     m_1.addEventListener( "mouseover", function( e ) {
>       var item = new qx.ui.menu.Button( "Additional Item" );
>       this.add( item );
>     }, cmenu );
> 
>     // show the context-menu to widget w
>     w.setContextMenu( cmenu );
>     w.addEventListener( "contextmenu", function( e ) {
>         this.getContextMenu().setLeft( e.getClientX() );
>         this.getContextMenu().setTop( e.getClientY() );
>         this.getContextMenu().setOpener( this );
>         this.getContextMenu().show();
>     }, w );
> 
> Thanks in advance,
>   Ralf
> 
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