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# Test for Bug #162874
import gc
import unittest
from common import gtk, gobject
class ActionGroupTest(unittest.TestCase):
ui0 = '''<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 name="sep1"/>
<placeholder name="RadioBandItems">
<toolitem action="AM"/>
<toolitem action="FM"/>
<toolitem action="SSB"/>
</placeholder>
</toolbar>
</ui>'''
def build_gui(self):
# Create the toplevel window
window = gtk.Window()
vbox = gtk.VBox()
window.add(vbox)
# Create a UIManager instance
uimanager = gtk.UIManager()
self.uimanager = uimanager
# Create the base ActionGroup
actiongroup = gtk.ActionGroup('UIMergeExampleBase')
actiongroup.add_actions([('File', None, '_File'),
('Sound', None, '_Sound'),
('RadioBand', None, '_Radio Band')])
uimanager.insert_action_group(actiongroup, 0)
# Create an ActionGroup
actiongroup0 = gtk.ActionGroup('UIMergeExample0')
# Create a ToggleAction, etc.
actiongroup0.add_toggle_actions([('Mute', None, '_Mute', '<Control>m',
'Mute the volume', self.cb)])
# Create actions
actiongroup0.add_actions([('Quit', gtk.STOCK_QUIT, '_Quit me!', None,
'Quit the Program', self.cb)])
# Create some RadioActions
actiongroup0.add_radio_actions([('AM', None, '_AM', '<Control>a',
'AM Radio', 0),
('FM', None, '_FM', '<Control>f',
'FM Radio', 1),
('SSB', None, '_SSB', '<Control>b',
'SSB Radio', 2),
], 0, self.cb)
# Add the actiongroup to the uimanager
uimanager.insert_action_group(actiongroup0, 1)
self.ag0 = actiongroup0
del actiongroup0
# Add a UI description
self.merge_id0 = uimanager.add_ui_from_string(self.ui0)
# 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)
gobject.timeout_add(50, self.timeout_cb)
gtk.main()
return
def timeout_cb(self):
ag0 = self.ag0
uimanager = self.uimanager
del self.ag0, self.uimanager
uimanager.remove_ui(self.merge_id0)
uimanager.remove_action_group(ag0)
gc.collect() # Clean out unreachable objects
del ag0
self.assertEqual(gc.collect(), 1) # Collect just the ActionGroup
uimanager.ensure_update()
self.assertEqual(gc.collect(), 6) # Now the GtkActions have lost their last
# GObject reference; they should be collected.
# We have a ToggleAction, an Action and a
# RadioAction, plus self.cb is bound in three
# closures.
gtk.main_quit()
def setUp(self):
gc.collect()
def testActionGroups(self):
self.build_gui()
def cb(self, action):
return
if __name__ == '__main__':
unittest.main()
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