Hello John, > Mark, > > I tried your code snippet with Python 2.3.4. Worked fine. Only problem was > that the program fell off the end and terminated before the second thread > could open the Tkinter window. So I added these lines at the end to make the > main thread wait:- > > from msvcrt import kbhit, getch > print "\n\nPress key to end" > while not kbhit(): pass > getch()
And I added print "\n\nPress key to end" l = sys.stdin.readline() > Both your Hello and Quit buttons worked. In my case "Hello" works and "Quit" doesn't (GUI stays frozen). Linux, Python 2.3.3, pygtk-0.6.9. > ... > > It is not optimal in that 'otherThread' runs continuously even when the > label is not being updated. What a waste of cpu cycles! This shows up in > that other windows apps slow right down. What is needed is a comms method > between threads that causes a thread to block while it's waiting for data > rather than my continuous polling approach. Would a Queue help here? > Yes, it should help. A time ago I tried to write a tkinter application, and my test code is available: A complete Python Tkinter sample application for a long operation http://uucode.com/texts/pylongopgui/pyguiapp.html Maybe you find it interesting. -- Oleg -- http://mail.python.org/mailman/listinfo/python-list
