#!/usr/bin/env python# example entry.pyimport pygtkpygtk.require('2.0')import gtkclass EntryExample:    def enter_callback(self, widget, entry):        entry_text = entry.get_text()        print "Entry contents: %s\n" % entry_text    def entry_toggle_editable(self, checkbutton, entry):        entry.set_editable(checkbutton.get_active())    def entry_toggle_visibility(self, checkbutton, entry):        entry.set_visibility(checkbutton.get_active())    def __init__(self):        # create a new window        window = gtk.Window(gtk.WINDOW_TOPLEVEL)        window.set_size_request(200, 100)        window.set_title("GTK Entry")        window.connect("delete_event", lambda w,e: gtk.main_quit())        vbox = gtk.VBox(False, 0)        window.add(vbox)        vbox.show()        entry = gtk.Entry()        entry.set_max_length(50)        entry.connect("activate", self.enter_callback, entry)        entry.set_text("hello")        entry.insert_text(" world", len(entry.get_text()))        entry.select_region(0, len(entry.get_text()))        vbox.pack_start(entry, True, True, 0)        entry.show()        hbox = gtk.HBox(False, 0)        vbox.add(hbox)        hbox.show()                                          check = gtk.CheckButton("Editable")        hbox.pack_start(check, True, True, 0)        check.connect("toggled", self.entry_toggle_editable, entry)        check.set_active(True)        check.show()            check = gtk.CheckButton("Visible")        hbox.pack_start(check, True, True, 0)        check.connect("toggled", self.entry_toggle_visibility, entry)        check.set_active(True)        check.show()                                           button = gtk.Button(stock=gtk.STOCK_CLOSE)        button.connect("clicked", lambda w: gtk.main_quit())        vbox.pack_start(button, True, True, 0)        button.set_flags(gtk.CAN_DEFAULT)        button.grab_default()        button.show()        window.show()def main():    gtk.main()    return 0if __name__ == "__main__":    EntryExample()    main()