Well I use them all the time. I press shift then while shift is still pressed I select an area and all morphics inside are trapped in the halo. Very useful to delete multiple morphics at once.

2013/10/29 Nicolas Cellier <nicolas.cellier.aka.nice@gmail.com>

Thanks Esteban,
It works perfectly.
I would have sweared I've tried this combination...

2013/10/29 Esteban Lorenzano <estebanlm@gmail.com>

yes.
alt+shift works for me (in osx)

On Oct 28, 2013, at 9:11 PM, Nicolas Cellier <nicolas.cellier.aka.nice@gmail.com> wrote:

> I tried various key combinations with mouse click but no one worked...
>
> in Morph>>handleMouseDown:
> it seems like this block never fires:
> � � anEvent blueButtonChanged ifTrue:[^self blueButtonDown: anEvent].
>
> Is it still possible to have these halos?