Question

I’m using Tkinter for a small Python application. It has a set of ratio buttons, a text box, and a button. Is there a way to make it so the user can simply press Enter/Return on a keyboard and run the same function the button runs? The text box stays selected even when a radio is changed, so that won’t cause any problems.

Answer 1

You should be able to bind an event handler to either the text box widget or the whole application that will be called when the event happens. Assuming you have a function to handle the event, something along the lines of:

widget.bind('<Return>', event_handler)

You can also bind a handler function at the application level by calling the bind_all() method of any widget, e.g.:

self.bind_all('<Return>', self.event_handler)

Note the key name is Return not Enter. See Key Names for a list of them all. You can also prefix the key name with a modifier like Shift- and Control- if desired.

There’s a decent online reference for tkinter 8.4 here.