Re: 'window-closed' signal?

[Giovanni Campagna <scampa giovanni gmail com>]

2014-05-12 22:42 GMT+02:00 Diego Fernandez <aiguo fernandez gmail com>:
> Hey all, I'm currently messing around with making my first extension
> https://github.com/aiguofer/return-to-monitor.  The idea is to be able to
> return windows to their original monitor if you plug a monitor back in.
>
> Right now I have the extension mostly working.  I keep track of all open
> windows and update the list only when more than one montior exists and on
> any 'window-left-monitor' and 'window-created' events.
>
> The problem I'm having is the case when a saved window gets closed while in
> a single monitor setup.  If that happens, shell breaks when I try to return
> the windows after plugging a monitor back in.  I need to be able to listen
> for any window-close event to remove the window from the list... is there an
> easy way of doing this?
>
> I noticed that 'window-left-monitor' catches windows closing, but it seems
> hard to check what caused the signal.

You can use the 'unmanaged' signal on the window, if you're careful
and not call anything at that point - only the identity of the object
is valid.
Alternatively, MetaWorkspace has window-added and window-removed signals.

Giovanni