Re: events grabbed globally - cannot debug callback

[Havoc Pennington <hp redhat com>]

Yotam Medini <ymedini iil intel com> writes:
> Probably a GTK issue - not pygtk specific.
> I have a callback using:
>     gtk.GtkCList,connect('event', self.mycb);
> Now this self.mycb calls a function foo() written in C/C++.
> I managed to run it in gdb. But when I set a breakpoint in foo(),
> when I get there - gdb does break, but my windows freeze.
> Looks like the X11-focus was globally grabbed by GtkCList(?),
> and I cannot do anything in that X Display.
>
> Is there a way arround. How could one possibly debug 
> low level functions triggered by GUI callbacks?

The easiest way is with the "Xnest" program. Run 'Xnest :1' and then
start your app with DISPLAY=:1.

> I tried starting this pygtk from a non-X environment in another tty, 
> setting an approriate DISPLAY independent of the debugger.
> But there the application would not even start for some 
> another reason I do not understand.

But that should work too.

Havoc