PyGTK3 Accelerator Demo

pygtk3-acclerator-demo.py

#!/usr/bin/env python2

import signal

from gi.repository import Gtk

def bind_accelerator(accelerators, widget, accelerator, signal='clicked'):
    key, mod = Gtk.accelerator_parse(accelerator)
    widget.add_accelerator(signal, accelerators, key, mod, Gtk.AccelFlags.VISIBLE)

def on_recompute_base_encryption_key_hash(widget):
    print 'Thinking... (This could take forever)'

def main():

    if 'gtk':
        window = Gtk.Window()
        window.connect("delete-event", Gtk.main_quit)

        if 'accelerator-demo':
            # Accelerators
            accelerators = Gtk.AccelGroup()
            window.add_accel_group(accelerators)

            # Widget
            target_widget = Gtk.Button('Recompute Base Encryption Key Hash')
            target_widget.connect('clicked', on_recompute_base_encryption_key_hash)
            window.add(target_widget)

            # Bind
            bind_accelerator(accelerators, target_widget, '<Control>b')

        window.show_all()
        signal.signal(signal.SIGINT, signal.SIG_DFL)
        Gtk.main()

if __name__ == '__main__':
    main()