nanogui: Thread: How does nanowm add itself to the root window's "eventclients" list!

Alex,Greg:
    
   When I'm reading nanowm.c,I find that the window
we select for event is the root window.as we known,
any time we want to deliver an event(take update for
example),we should know the window it happenned in,
then use 
"for (ecp = wp->eventclients; ecp; ecp = ecp->next)"
to send event to every client which is interested in
the window,but what confuse me is that I can't find 
the code which add the client nanowm to the "eventclients"
list of root window.
  When and where does nanowm do this adding job?
  Need you help!
　　　　　　　　wang
####@####.####
　　　　　　　　　　2002-07-26

wang wrote:
>    When I'm reading nanowm.c,I find that the window
> we select for event is the root window.as we known,

Only child update events, ie. it's interested in top level windows being
mapped and unmapped.

> the window,but what confuse me is that I can't find 
> the code which add the client nanowm to the "eventclients"
> list of root window.
>   When and where does nanowm do this adding job?

When it selects for child update events on the root window:
GrSelectEvents(GR_ROOT_WINDOW_ID, GR_EVENT_MASK_CHLD_UPDATE);

The adding of the client to the window's event client list happens in
the GrSelectEvents() function in srvfunc.c.

-- 
------------ Alex Holden - http://www.linuxhacker.org ------------
If it doesn't work, you're not hitting it with a big enough hammer