from gi.repository import Gtk
import sys
class MyWindow(Gtk.ApplicationWindow):
# a window
def __init__(self, app):
Gtk.Window.__init__(self, title="GNOME Button", application=app)
self.set_default_size(250, 50)
# a button
button = Gtk.Button()
# with a label
button.set_label("Click me")
# connect the signal "clicked" emitted by the button
# to the callback function do_clicked
button.connect("clicked", self.do_clicked)
# add the button to the window
self.add(button)
# callback function connected to the signal "clicked" of the button
def do_clicked(self, button):
print("You clicked me!")
class MyApplication(Gtk.Application):
def __init__(self):
Gtk.Application.__init__(self)
def do_activate(self):
win = MyWindow(self)
win.show_all()
def do_startup(self):
Gtk.Application.do_startup(self)
app = MyApplication()
exit_status = app.run(sys.argv)
sys.exit(exit_status)