File: uimanager.py

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python-gtk2-tutorial 2.3-1
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#!/usr/bin/env python

import pygtk
pygtk.require('2.0')
import gtk

class UIManagerExample:
    ui = '''<ui>
    <menubar name="MenuBar">
      <menu action="File">
        <menuitem action="Quit"/>
      </menu>
      <menu action="Sound">
        <menuitem action="Mute"/>
      </menu>
      <menu action="RadioBand">
        <menuitem action="AM"/>
        <menuitem action="FM"/>
        <menuitem action="SSB"/>
      </menu>
    </menubar>
    <toolbar name="Toolbar">
      <toolitem action="Quit"/>
      <separator/>
      <toolitem action="Mute"/>
      <separator/>
      <placeholder name="RadioBandItems">
        <toolitem action="AM"/>
        <toolitem action="FM"/>
        <toolitem action="SSB"/>
      </placeholder>
    </toolbar>
    </ui>'''
      
    def __init__(self):
        # Create the toplevel window
        window = gtk.Window()
        window.connect('destroy', lambda w: gtk.main_quit())
        window.set_size_request(300, -1)
        vbox = gtk.VBox()
        window.add(vbox)

        # Create a UIManager instance
        uimanager = gtk.UIManager()

        # Add the accelerator group to the toplevel window
        accelgroup = uimanager.get_accel_group()
        window.add_accel_group(accelgroup)

        # Create an ActionGroup
        actiongroup = gtk.ActionGroup('UIManagerExample')
        self.actiongroup = actiongroup

        # Create a ToggleAction, etc.
        actiongroup.add_toggle_actions([('Mute', None, '_Mute', '<Control>m',
                                         'Mute the volume', self.mute_cb)])

        # Create actions
        actiongroup.add_actions([('Quit', gtk.STOCK_QUIT, '_Quit me!', None,
                                  'Quit the Program', self.quit_cb),
                                 ('File', None, '_File'),
                                 ('Sound', None, '_Sound'),
                                 ('RadioBand', None, '_Radio Band')])
        actiongroup.get_action('Quit').set_property('short-label', '_Quit')

        # Create some RadioActions
        actiongroup.add_radio_actions([('AM', None, '_AM', '<Control>a',
                                        'AM Radio', 0),
                                       ('FM', None, '_FM', '<Control>f',
                                        'FM Radio', 1),
                                       ('SSB', None, '_SSB', '<Control>s',
                                        'SSB Radio', 2),
                                       ], 0, self.radioband_cb)

        # Add the actiongroup to the uimanager
        uimanager.insert_action_group(actiongroup, 0)

        # Add a UI description
        uimanager.add_ui_from_string(self.ui)

        # Create a MenuBar
        menubar = uimanager.get_widget('/MenuBar')
        vbox.pack_start(menubar, False)

        # Create a Toolbar
        toolbar = uimanager.get_widget('/Toolbar')
        vbox.pack_start(toolbar, False)

        # Create and pack two Labels
        label = gtk.Label('Sound is not muted')
        vbox.pack_start(label)
        self.mutelabel = label
        label = gtk.Label('Radio band is AM')
        vbox.pack_start(label)
        self.bandlabel = label

        # Create buttons to control visibility and sensitivity of actions
        buttonbox = gtk.HButtonBox()
        sensitivebutton = gtk.CheckButton('Sensitive')
        sensitivebutton.set_active(True)
        sensitivebutton.connect('toggled', self.toggle_sensitivity)
        visiblebutton = gtk.CheckButton('Visible')
        visiblebutton.set_active(True)
        visiblebutton.connect('toggled', self.toggle_visibility)
        # add them to buttonbox
        buttonbox.pack_start(sensitivebutton, False)
        buttonbox.pack_start(visiblebutton, False)
        vbox.pack_start(buttonbox)

        window.show_all()
        return

    def mute_cb(self, action):
        # action has not toggled yet
        text = ('muted', 'not muted')[action.get_active()==False]
        self.mutelabel.set_text('Sound is %s' % text)
        return

    def radioband_cb(self, action, current):
        text = ('AM', 'FM', 'SSB')[action.get_current_value()]
        self.bandlabel.set_text('Radio band is %s' % text)
        return

    def quit_cb(self, b):
        print 'Quitting program'
        gtk.main_quit()

    def toggle_sensitivity(self, b):
        self.actiongroup.set_sensitive(b.get_active())
        return

    def toggle_visibility(self, b):
        self.actiongroup.set_visible(b.get_active())
        return

if __name__ == '__main__':
    ba = UIManagerExample()
    gtk.main()