Locking applications to a particular workspace?

[Sergey Manucharian]

On Wed, 11 Feb 2009 08:59:01 -0600
Kevin Martin <kevintm at ameritech.net> wrote:

> Is there any way to lock an application to a particular workspace
> (like with fluxbox)?  For example, I setup four workspaces.  On
> workspace two I run thunderbird and on ws3 I run firefox.  When I
> click a link in an email in thunderbird it's setup to open a new tab
> in firefox for the webpage.  However, firefox then takes focus and
> jumps to workspace two. I want it to stay on ws3 and I'll look at the
> webpage there.  Is there some way to make this happen?  That's one of
> the reasons I was using fluxbox is it's ability to do just that.  I
> figure if fluxbox can do it then maybe it's just something I'm
> missing in xfce.
> 
> Thanks.
> 
> Kevin

Edit (create) the file:

~/.config/xfce4/xfwm4/xfwm4rc

Add (edit) this line:

activate_action=none

The possible values are:
bring|switch|none

Cheers,
Sergey