Re: 'window-closed' signal?

[Giovanni Campagna <scampa giovanni gmail com>]

2014-05-12 23:00 GMT+02:00 Diego Fernandez <aiguo fernandez gmail com>:
> Hmm, so I'd have to listen for the 'unmanaged' signal for every single
> window and keep track of that? seems like it'll add a bit of complexity but
> I guess I can manage.
>
> For the 'window-added' and 'window-removed' signals in MetaWorkspace, do
> those behave like 'window-left-monitor' and 'window-entered-monitor' in
> MetaScreen? i.e. if a window leaves one workspace and goes to another will
> that be a 'window-removed' and a 'window-added' event?

Yes, but you also need to keep the list of workspaces as they're added
and removed.
You can check the code in js/ui/workspace.js or
js/ui/workspaceThumbnails.js that deals with window-added/removed on a
single workspace, and js/ui/workspacesView.js for keeping the
workspace list up to date.

Giovanni

> On Mon, May 12, 2014 at 4:47 PM, Giovanni Campagna
> <scampa giovanni gmail com> wrote:
> > 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
>
>
>
>
> --
> Diego Fernandez - 爱国