Re: progress bar doesn't pulse...

[Tristan Van Berkom <vantr touchtunes com>]

Richard Baverstock wrote:

> If I remember correctly, I was trying to do something similar and was
> advised not to use gtk-specific functions in a thread -- instead, send a
> message back to the main thread and have a function that is called then
> which updates the progress bar. I can't remember why though ... can
> someone else enlighten us?
>  
   This aproach is no longer nescisary but IMO still is good practice.
Updating the GUI from multiple threads just becomes a critical section.
there has been a mutex set in place for this which is locked/unlocked
in some places in the library (stays locked while the main loop does whatnot
and unlockes for the marshaling of callbacks et al... also unlocks when 
idle)
try  [ grep GDK_THREADS_ENTER `find gtk_libs/ -name "*.c"` ] to see
exactly what gets protected.

Cheers,
               -Tristan