🚀 go-pugleaf

>> ...  I was also wondering; instead of having
>> the user specify that no window manager is running, is there a
>> way for the application to automatically detect that?  For example,
>> twm seems to be able to detect that another window manager is
>> already running;
>
>Twm detects another window manager when calling XSelectInput on the root
>window.  If this call fails, it assumes that another wm is there.  (Only
>one client is allowed to select button press events on a window).


Almost.  It's actually the SubstructureRedirectMask that only one client
is allowed to do.  While this will work most of the time to determine
if a window manager is running, I don't think there's anyway to determine
if the window manager goes away later.

--
Tom LaStrange

Solbourne Computer Inc.    ARPA: toml@Solbourne.COM
1900 Pike Rd.              UUCP: ...!{boulder,sun}!stan!toml
Longmont, CO  80501