> Say I wanted to intercept all X11 events, using an LD_PRELOAD method.
> Assume that _everything_ is dynamically linked.
A very strange thing to do.
> If I redefine XSendEvent(), should I preload this into the window manager,
> or into the X server itself? If XSendEvent() is not the function I should
> intercept, then what should I intercept?
A very strange question.
> I guess these questions boil down to two questions:
> Who generates XEvents -- the window manager, the X server, or both?
both. Applications can also generate X events.
> When generating XEvents, does the source use XSendEvent()?
XSendEvent is an Xlib function, so C programs would use this
interface. Other non-C GUI toolkits would use a similar interface.
What exactly are you trying to do?
Perhaps you might be interested in the 'xscope' program (not to
be confused the the Mac xscope program) which lists/logs X events.
Very powerful when combined with 'Xnest' - a favorite development
combination of mine.
Or maybe the 'xev' utility?
Curiouser & curiouser ...
SCoTT. :)
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Received on Mon May 10 2004 - 07:52:54 BST