Re: Setting window properties (always on top, ...) in gnome shell extension

Thank you. I looked into libwnck which does all this stuff from python (now there's an example of what I wish clutter had):

After a bit of experimenting, it turns out in python I can simply do:

import wnck

and that's done!

So while I wait for the meta_window_set_xxxx stuff to eventually be exposed to the JS interface, I may experiment with somehow calling a python script from within JS to do that bit of functionality (I recall seeing this done in another extension - will have to look it up).

Or even better, since wnck seems to use the whole gobject introspection thing, maybe it has JS bindings I can somehow get?


On 24/04/12 13:23, Jasper St. Pierre wrote:
On Mon, Apr 23, 2012 at 11:11 PM, Amy C<mathematical coffee gmail com>  wrote:
Hi all,

As part of teaching myself how to make gnome shell extensions, I
decided to just add an item to the menu of the panel's title bar that
allows the user to select options like always on top/always on this

I notice in the mutter API there is a meta_window_set_above in
window.c but this doesn't seem to be exposed to the JS interface.
Through a bit of trial and error I also seem to be able to call
window.set_property('above',true) but this function appears to do
nothing (there is a 'title' property I tested on and using
set_property on this also seems to do nothing).

Ugh. All the MetaWindow properties are all read-only. It seems they
were only added for the notifies.

Yeah. metacity was originally designed as a process, not a library, so
it doesn't really do things the way it should. I'm working on making
metacity/mutter less of a program with an API and more like a library,
because that's what it should be.

I could simulate (e.g.) always in this workspace by listening to a
workspace changed event and moving the relevant window, but this would
not be a "true" implementation in that the window manager still thinks
that window.is_on_all_workspaces is false (as I don't seem to be able
to set it).

So, does anyone know:
- an alternate way to set these window properties (properly, as in the
window manager knows about it) in a gnome shell extension?

There might be some X window properties you can set (but I doubt it,
and you probably can't do it from JS)

- how to tell whether a likely function in a c file (e.g.
meta_window_set_above) has been exported to the JS interface?

Check out /usr/share/gir-1.0/Meta-1.0.gir

- how to expose a method from the C interface to the JS interface?

You have to submit a patch to the C code, and wait a release cycle.
Unfortunate, I know.

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