Path: utzoo!utgpu!watserv1!watmath!att!bellcore!rutgers!cs.utexas.edu!samsung!uunet!mcsun!ukc!reading!chive!ac1
From: ac1@chive.cs.reading.ac.uk (Andrew Cunningham)
Newsgroups: comp.windows.x
Subject: Re: staring a window manager (mwm)
Keywords: mwm window manager
Message-ID: <2422@onion.reading.ac.uk>
Date: 16 Jun 90 10:25:49 GMT
References: <103031@convex.convex.com>
Sender: news@reading.ac.uk
Reply-To: ac1@rosemary.cs.reading.ac.uk (Andrew Cunningham)
Organization: Comp. Sci. Dept., Reading Univ., UK.
Lines: 33

In article <103031@convex.convex.com> connolly@pixel.convex.com (Dan Connolly) writes:
>What's the "kosher" way to invoke the mwm window manager
>from an X client?
>*is there already a window manager running?

Dunno about this one....

>*is mwm already running?
>
>I'm working on some "how-to" software that shows how
>to work mwm. It will look pretty funny if another wm
>is running.
>

From the OSF/Motif Programmers reference (HP-UX version)

     SYNOPSIS
         #include <X11/Shell.h>
	       
         Boolean XmIsMotifWMRunning (shell)
              Widget    shell;
					
     DESCRIPTION

           XmIsMotifWMRunning lets a user know if the OSF/Motif window
           manager is running ...
	   
	   ....
	   
	   shell  Specifies the shell whose screen will be tested for
	          MWM's presence.
			     
Should do what you want...