#!/usr/bin/python3 import sys import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk class AppWindow(Gtk.ApplicationWindow): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) self.set_border_width(10) button = Gtk.Button.new_with_mnemonic("_Click Me") button.connect("clicked", self.on_button_clicked, self) self.add(button) self.set_size_request(150, 50) self.show_all() def on_button_clicked(self, button, parent): dialog = Gtk.Dialog(title="Information", parent=parent) dialog.add_button("Ok", Gtk.ResponseType.OK) label = Gtk.Label("The button was clicked.") image = Gtk.Image.new_from_icon_name("dialog-information", Gtk.IconSize.DIALOG) hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=0) hbox.pack_start(image, False, False, 0) hbox.pack_start(label, False, False, 0) dialog.vbox.pack_start(hbox, False, False, 0) dialog.connect("response", self.on_dialog_button_clicked) dialog.show_all() def on_dialog_button_clicked(self, dialog, response): dialog.destroy() class Application(Gtk.Application): def __init__(self, *args, **kwargs): super().__init__(*args, application_id="org.example.myapp", **kwargs) self.window = None def do_activate(self): if not self.window: self.window = AppWindow(application=self, title="Dialogs") self.window.show_all() self.window.present() if __name__ == "__main__": app = Application() app.run(sys.argv)