Binding keypress to button confusion....

[AndoSam]

Hi

I am attempting to streamline the use of a tk application by binding the <return> button to a button executing a process.
I have read through the other forum posts and found several suggestions but none seem to be working for me.

I have defined the button widget etc. as

button .traceWindow.runProc -text "Follow path..." -command proceed

Then, a few lines later I use the line

bind .traceWindow.runProc <Return> {proceed}

as suggested in other forum posts, however this appears to have no effect. I have been thinking about trying to assign focus to the button once the value of an entry box has changed, however this seems a bit lengthy if I could just bind the button.

Thanks in advance

 

[Bong]

What your binding statement says, I think, is "when the Return key is pressed when the focus is in .traceWindow.runProc execute the proceed procedure". Is this what you want? What happens when you get the focus to the button (presumably with tab) and press "Enter"?

_________________
Bob Rashkin

 

[AndoSam]

Aah I see, that does execute the process yes.
This isn't exactly the functionality I was after, I would like the user to be able to make a selection in a seperate entry widget and then just press the return button and the process fires off.
I assume this should be done by an event driven 'change focus' command? Where the event is the value in the entry box changing?

Thanks

 

[AndoSam]

Yes that seems to have done the trick.

Whenever the value in the entry changes, the focus is reassigned to the button so the user can just press 'Return'.

Thanks for your help