Sorry to flood the list, but I should add that I am using Glade to do this.
-Andy On Tue, Apr 15, 2008 at 11:35 AM, Andrew Lapidas <[EMAIL PROTECTED]> wrote: > Stephen, John: > > Thank you for your replies so far. I am still trying to figure out > the best way to do this. To be more descriptive, I have a small > program (~400 lines) that controls a digital camera and does some > image processing in a scripting fashion. This program will run > infinitely. There are about 7 points in this program where I would > like to update my GUI. If I implement threading, I will spawn just > one thread for this program. I still am unsure of the best way to do > this. > > Also, what is the GObject module and how does it differ from the pygtk > module? > > Thanks, > Andy > > > > On Mon, Apr 14, 2008 at 7:04 PM, Stephen George > <[EMAIL PROTECTED]> wrote: > > Hi Andrew, > > > > > > Andrew Lapidas wrote: > > > > > I am currently having a problem updating a GUI. > > > > > > I am using PyGTK and Glade to design an interface for a project. This > > > interface contains no buttons, just images, labels, and a progress > > > bar. The code for the project is small, and it basically does some > > > things independent of the GUI in an infinite loop. > > > > > Regarding 'does some things' > > Is this constant processing or periodic checking. > > Periodic checking would be easier to do with timers > > > > > http://www.pygtk.org/pygtk2tutorial/ch-TimeoutsIOAndIdleFunctions.html#sec-Timeouts > > > > also have a read of > > http://www.pygtk.org/pygtk2tutorial/sec-IdleFunctions.html > > > > > > > > > > > I need the project > > > code to update the GUI intermittently. I have found, though, that > > > generally it seems that the gtk.main loop is looking for signals from > > > the GUI and I cannot figure out how to give it signals from another > > > application. > > > > > Do you really want a separate application to talk to your GUI, means you > > will have to look at some sort of inter process communication. > > sockets, or something more elaborate pyro http://pyro.sourceforge.net/ > > I'm sure there is many others. > > > > > > > > > I have thought spawning a new thread from the __init__ > > > in the GUI and somehow having it send signals to gtk.main, but I do > > > not know if this will work. > > > > > > > > Yes, .. you can set up your own 'signals' but I found it's not well > > documented in pyGTK manual > > http://www.pygtk.org/pygtk2tutorial/ch-AdvancedEventAndSignalHandling.html > > > > Instead I referred to gobject documentation from here > > > > > http://www.sicem.biz/personal/lgs/docs/gobject-python/docs/gobject-python/gobject-tutorial.html > > look at section 'creating your own signals' > > but I'm sure there is many other gobject documentation around on net. > > > > When emiting from a thread for any signal whose handler updates the GUI., > > need to do it safely by adding the emit to the idle loop. > > gobject.idle_add(self.emit, "cntlrFinaliseConnection") > > > > Have a read, try an implementation, .. if you then get problems ask more > > questions > > > > Steve > > > > > > > > > > > > _______________________________________________ > > pygtk mailing list pygtk@daa.com.au > > http://www.daa.com.au/mailman/listinfo/pygtk > > Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/ > > > > > > -- > Andrew Lapidas > email / [EMAIL PROTECTED] > phone / 774.279.4740 > -- Andrew Lapidas email / [EMAIL PROTECTED] phone / 774.279.4740 _______________________________________________ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
