Really strange. No need for this on PyGTK or Tkinter. Must be one of the
things with wxWidgets. Maybe it does not work with a synchronous  event loop
like the other toolkits, it requires a separate thread to dispatch events.

Victor

At 15:04 20/11/2006, you wrote:
>I have been experimenting with using wxPython to make realtime Csound 5 
>applications.
>
>In general, things work very well, but I noticed something very curious 
>and I wonder if anyone has an explanation.
>
>In order to use csnd.CsoundPerformanceThread in a wxPython event handler, 
>e.g. to handle clicking on a "Play" button, it is necessary to first 
>launch a regular Python thread, and then in the regular Python thread, 
>call CsoundPerformanceThread.Play to launch the actual Csound performance. 
>Skipping the regular Python thread just doesn't work. For an example, see 
>examples/wxController.py in CVS.
>
>Does anyone know why this two-stage thread launching is necessary?
>
>Anyway, as I said, things work quite well and I am developing a feeling 
>that quite elaborate and responsive GUIs can be created this way.
>
>I have also found that Boa Constructor saves a lot of work and can produce 
>a very finished (indeed, professional quality) GUI in Python. Does anyone 
>know of a comparable GUI builder for Tkinter? That would be very useful 
>since the generated GUIs would work right out of the box with Csound 5 on 
>any computer with Python installed.
>
>Regards,
>Mike
>
>
>
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Victor Lazzarini
Music Technology Laboratory
Music Department
National University of Ireland, Maynooth 


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