On Wed, Jun 10, 2009 at 3:50 PM, Michael Lange <klappn...@web.de> wrote:
> Hi Adam, > > On Wed, 10 Jun 2009 15:19:14 -0500 > Adam Kadzban <akadz...@iit.edu> wrote: > > (...) > > boxes and entry boxes so you can change the option list. Here's the > > relevant code: > > > > ... > > self.tVar = IntVar() > > ... > > self.tempbutton = > > Checkbutton(self.tophalf,variable=self.tVar,text="Calculate > > temperature") ... > > > > When I try the program with this code, I can check/uncheck the boxes, > > but tVar never change (I printed out their values, they stay 0). I > > also tried coding in button selection (e.g. self.tempbutton.select > > ()), but tVar never changes. > > I cannot reproduce this here, maybe it depends on the OS or the Tk > version in use. Just a guess: have you tried to explicitely define > onvalue=1 and offvalue=0 in the Checkbutton constructor ? > > Michael I'm on Ubuntu 9.04, with Python 2.5.2 and the latest version of python-tk, at least according to aptitude. And yes, I've tried that, didn't work. Adam > > > > > > I also tried making some functions, and binding them to the > > checkbutton: self.tempbutton = > > Checkbutton(self.tophalf,variable=self.tVar,text="Calculate > > temperature",command=self.checkTemp) > > ... > > def checkTemp(self): > > if self.tVar.get() == 1: > > self.tempbutton.select() > > else: > > self.tempbutton.deselect() > > ... > > Having that, though, doesn't let me "check" the button (I'm guessing > > because tVar never gets set to 1, it always goes to deselect). > > > > Anyone have any ideas why this is happening? I've been banging my > > head against a wall here, and I rewrote the whole class thinking > > maybe it was something funny with scoping, but as far as I can tell > > everything is ok. I must be missing something... > > > > Thanks, > > Adam > > > _______________________________________________ > Tkinter-discuss mailing list > Tkinter-discuss@python.org > http://mail.python.org/mailman/listinfo/tkinter-discuss >
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