tkinter: Round Button - Any idea?

[George Trojan]

akineko wrote:
> Hello everyone,
> 
> I'm trying to implement a virtual instrument, which has buttons and
> displays, using Tkinter+Pmw.
> One of items on the virtual instrument is a round button.
> This is imitating a tact switch.
> 
> Tkinter has a Button class, which I can assign a button image.
> However, when the button is depressed, the rectangle is sunken (rather
> than the round button).
> 
> Probably I need to prepare two images, normal one and depressed one,
> and implement all button behaviours by myself.
> But before reinventing everything by myself, I'm wondering if there is
> an easy way to implement or there is existing widget example of such
> button.
> So far, I couldn't find any good examples.
> 
> Any suggestions are highly appreciated.
> 
> Best regards,
> Aki Niimura

Try 
http://search.cpan.org/~darnold/Tk-StyledButton-0.10/lib/Tk/StyledButton.pod. 
This is Perl, but it might be worthwhile to take a look at implementation.

George