Re: [rox-devel] OroboROX help needed: Associating X client windows with process ID

[Guido S. <__g...@we...>]

On Sun, 17 Apr 2005 15:58:57 -0300
Jonatan Liljedahl <th...@ho...> wrote:

> On Sun, 17 Apr 2005 14:23:01 +0200
> Guido Schimmels <__g...@we...> wrote:
> 
> > I want to provide the option to tab/cycle through the windows of the
> > current active application only. On MacOS X this is done via the Alt-~
> > shortcut. Problem is, I can't figure out to which application/process
> > each window belongs. The process ID to which each window belongs would
> > be ideal, if I could find out.
> 
> But the same app could start multiple processes, each with different
> PIDs, right?
> (for example FireFox..)

I don't know about FireFox, but Gnome's components run in a process of their own (unlike KParts).
That makes it tricky :(

> 
> >  WM_COMMAND and WM_CLASS though often
> > helpfull are not conclusive, unfortunately. WM_COMMAND is not always
> > there and applications are essentially free in what they store in the
> > WM_CLASS, although gtk apps seem to provide the application name as
> > wm_class reliably. I need something that works each and everytime
> > though, not something which works only for some toolkits. I looked
> > through the X11 documentation, but can't find a conclusive function or
> > data field anywhere.
> 
> How does libwnck do it? (There is a grouping option in the tasklist
> applet for example)...

Will have look.