Re: g_timeout_add events stop when calling draw_brush()

[Douglas Phillipson <dougp intermind net>]

Douglas Phillipson wrote:
> I'm using  g_timeout_add (500, grab_data, NULL) to aquire data from a 
> file and shift it through an array with some procesing on it.  This all 
> works fine.  At the end of the routine I call draw_brush to paint the 
> data to the screen but the "timeout" event stops after the first call to 
> draw_brush.  I can comment out the draw_brush() call and events happen 
> as they should.  What might be causing this?
>
> DSP
>
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A more general question related to the above problem.

I'm not drawing. I'm displaying chart like graphic data points.  Without 
 touching any buttons or the screen, how can I force an update to my 
draw_area once a second?  I'm using g_timeout_add to force a read of a 
file, all working well.  But I'm trying to throw a expose event on the 
draw area from the function called by the "timeout" callback.  It 
doesn't seem to force a screen update via draw_brush.  Any suggestions?

Thanks

Doug P