def __init__(self, *args, **kwargs):
Gtk.Notebook.__init__(self, *args, **kwargs)
self.action_group = Gio.SimpleActionGroup()
actions = (
("tabmoveleft", self.on_tab_move_left),
("tabmoveright", self.on_tab_move_right),
)
for (name, callback) in actions:
action = Gio.SimpleAction.new(name, None)
action.connect('activate', callback)
self.action_group.add_action(action)
self.insert_action_group("popup", self.action_group)
builder = Gtk.Builder.new_from_string(self.ui, -1)
self.popup_menu = builder.get_object("tab-menu")
provider = Gtk.CssProvider()
provider.load_from_data(self.css)
Gtk.StyleContext.add_provider_for_screen(
Gdk.Screen.get_default(), provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
# Awful hacks because we can't create GtkBindingArg from Python, or
# create a BindingSet from Python, or get a set by class from Python.
bindings = Gtk.BindingSet.find('TabSwitchBindings')
for i in range(10):
key = (i + 1) % 10
Gtk.BindingEntry().add_signal_from_string(
bindings, 'bind "<Alt>%d" { "tab-switch" (%d) };' % (key, i))
self.connect('tab-switch', self.do_tab_switch)
self.connect('button-press-event', self.on_button_press_event)
self.connect('popup-menu', self.on_popup_menu)
self.connect('page-added', self.on_page_added)
self.connect('page-removed', self.on_page_removed)
