Re: gdk.window set_decorations works in python not javascript bindings (v3.0)

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Have you tried gjs from the command line instead of the Looking Glass
interpreter? It may be a case of doing things inside the compositor
process vs. not.

On Sun, May 6, 2012 at 9:17 AM, Amy C <mathematical.coffee@xxxxxxxxx> wrote:
> Hi all,
>
> I sent this to both gtk-list and gnome-shell-list because I think my
> question is relevant to both subjects - I'm sorry if this was the
> wrong etiquette (also, if you think there is a mailing list this is
> more suited to, please let me know).
>
> I'm trying to remove the window decorations on the active window.
>
> Using pygobject:
>
> from gi.repository import Gdk # Gdk.__file__ verifies it's 3.0
>
> curwin = Gdk.Screen.get_default().get_active_window()
> curwin.set_decorations(0)
> curwin.maximize()
> curwin.process_all_updates()
>
> When I execute this code (from python terminal/script), the current
> window (terminal) is undecorated correctly and maximised as I expect
> (I'm basically writing something to remove window decoration from
> maximised windows).
>
> Then I try this from the javascript bindings:
>
> const Gdk = imports.gi.Gdk;
> var curwin = Gdk.Screen.get_default().get_active_window();
> curwin.set_decorations(0);
> curwin.maximize();
> curwin.process_all_updates();
>
> When I execute this code from the GNOME interactive gjs interpreter
> (looking glass), when I execute `curwin.set_decorations(0)` the window
> in question closes itself. For example, if the current window is a
> terminal and it has a process running in it I'll get the "Running
> process in terminal; are you sure you want to quit?" dialog, from
> which I can select Cancel (window will be maximised/undecorated as I
> wish). If there are no processes running in the terminal, it will
> simply quit!
>
> However, if execute this using the `gjs` binary (whether running
> GNOME-shell or unity+metacity) I get "ERROR: Gdk.Screen.get_default()
> is null" -- some environment variable not set up properly?? $DISPLAY
> is :0 as normal. So I'm only actually able to test the javascript
> version in GNOME-shell.
>
> If it's relevant, I'm using GNOME-shell 3.4 which uses Mutter
> (metacity + clutter) for the window manager.
>
> Does anyone know :
> 1) Why the javascript version quits the program whereas the python
> version doesn't?
> 2) How to make the javascript version work (i.e. not quit the window)?
> 3) If not any of the above, how I may debug this further/ whether &
> where to submit a bug report?
>
>
> I'd be grateful for any insight you have. I prefer to do this from
> javascript (since in the end it'll be put into a GNOME-shell
> extension), but I suppose as a last resort workaround I can call the
> python script from within the javascript to execute the code.
>
> Thank you very much!
> _______________________________________________
> gnome-shell-list mailing list
> gnome-shell-list@xxxxxxxxx
> http://mail.gnome.org/mailman/listinfo/gnome-shell-list



-- 
  Jasper
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