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from gi.repository import Gtk
from gi.repository import Gio
import sys
class MyWindow(Gtk.ApplicationWindow):
def __init__(self, app):
Gtk.Window.__init__(self, title="GMenu Example", application=app)
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):
# start the application
Gtk.Application.do_startup(self)
# create a menu
menu = Gio.Menu()
# append to the menu three options
menu.append("New", "app.new")
menu.append("About", "app.about")
menu.append("Quit", "app.quit")
# set the menu as menu of the application
self.set_app_menu(menu)
# create an action for the option "new" of the menu
new_action = Gio.SimpleAction.new("new", None)
# connect it to the callback function new_cb
new_action.connect("activate", self.new_cb)
# add the action to the application
self.add_action(new_action)
# option "about"
about_action = Gio.SimpleAction.new("about", None)
about_action.connect("activate", self.about_cb)
self.add_action(about_action)
# option "quit"
quit_action = Gio.SimpleAction.new("quit", None)
quit_action.connect("activate", self.quit_cb)
self.add_action(quit_action)
# callback function for "new"
def new_cb(self, action, parameter):
print("This does nothing. It is only a demonstration.")
# callback function for "about"
def about_cb(self, action, parameter):
print("No AboutDialog for you. This is only a demonstration.")
# callback function for "quit"
def quit_cb(self, action, parameter):
print("You have quit.")
self.quit()
app = MyApplication()
exit_status = app.run(sys.argv)
sys.exit(exit_status)
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