#!/usr/bin/env python3# Created by xiaosanyu at 16/6/15# section 120
TITLE = "Spinner"
DESCRIPTION = """
A Gtk.Spinner widget displays an icon-size spinning animation.
It is often used as an alternative to a Gtk.ProgressBar for displaying
indefinite activity, instead of actual progress.
"""import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
classSpinnerAnimation(Gtk.Window):def__init__(self):
Gtk.Window.__init__(self, title="Spinner")
self.set_border_width(3)
self.connect("delete-event", Gtk.main_quit)
self.button = Gtk.ToggleButton("Start Spinning")
self.button.connect("toggled", self.on_button_toggled)
self.button.set_active(False)
self.spinner = Gtk.Spinner()
self.table = Gtk.Table(3, 2, True)
self.table.attach(self.button, 0, 2, 0, 1)
self.table.attach(self.spinner, 0, 2, 2, 3)
self.add(self.table)
self.show_all()
defon_button_toggled(self, button):if button.get_active():
self.spinner.start()
self.button.set_label("Stop Spinning")
else:
self.spinner.stop()
self.button.set_label("Start Spinning")
defmain():
myspinner = SpinnerAnimation()
Gtk.main()
if __name__ == "__main__":
main()