SeparateThread.py

#!/usr/bin/env python

"""
simple example of runnig wxPython in a secondary thread

As of now -- all I get is a crash!

"""

import threading

import wx
import time

import DoubleBufferDemo


class MicroFrame(wx.Frame):
 pass


class MicroApp(wx.App):
 def OnInit(self):
 f = MicroFrame(None, title="threading demo")
 f.Show()

 self.startup_event
 return True


class wxThread(threading.Thread):
 def __init__(self):
 threading.Thread.__init__(self)

 self.startup_event = startup_event = threading.Event()

 def run(self):
 print("starting up the wx app")
 self.app = DoubleBufferDemo.DemoApp(False)
 print("app started --- starting the mainloop")
 self.startup_event.set()
 self.app.MainLoop()


if __name__ == "__main__":

 wxt = wxThread()
 startup_event = wxt.startup_event
 wxt.start()
 print("thread started...")

 # wait for the wx.Frame to be created
 startup_event.wait()
 frame = wxt.app.frame
 # run an endless loop to do re-draw...
 while True:
 time.sleep(0.5)
 print("another moment passed...")
 frame.NewDrawing()