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()