class DbusMenu:
def __init__(self):
self.keyb = GlobalKeybinder(self.on_keybind_activated)
self.app = None
self.session = dbus.SessionBus()
self.window = WindowManager.new_window()
self._init_window()
self._listen_menu_activated()
self._width_offset = 300
WindowManager.add_listener(self.on_window_switched)
def _init_window(self):
self.appmenu = DbusAppMenu(self.session, self.window)
self.gtkmenu = DbusGtkMenu(self.session, self.window)
self._update()
def on_window_switched(self, window):
self.window = window
self._init_window()
def _listen_menu_activated(self):
proxy = self.session.get_object(MyService.BUS_NAME, MyService.BUS_PATH)
signal = proxy.connect_to_signal("MenuActivated", self.on_menu_activated)
def on_menu_activated(self, menu: str, x: int):
if menu == '__fildem_move':
self._move_menu(x)
return
if x != -1:
self._width_offset = x
self._start_app(menu)
def on_keybind_activated(self, character: str):
self.on_app_started()
self._start_app(character)
def _move_menu(self, x: int):
if self.app is None:
return
self.app.move_window(x)
def _start_app(self, menu_activated: str):
if self.app is None:
self.app = GlobalMenu(self, menu_activated, self._width_offset)
self.app.connect('shutdown', self.on_app_shutdown)
self.app.run()
def on_app_started(self):
self._echo_onoff(True)
def on_app_shutdown(self, app):
self._echo_onoff(False)
self.app = None
def _echo_onoff(self, on: bool):
self.proxy = dbus.SessionBus().get_object(MyService.BUS_NAME, MyService.BUS_PATH)
self.proxy.EchoMenuOnOff(on)
def _handle_shortcuts(self, top_level_menus):
self.keyb.remove_all_keybindings()
for label in top_level_menus:
idx = label.find('_')
if idx == -1:
continue
c = label[idx + 1]
self.keyb.add_keybinding(c)
def _update_menus(self):
self.gtkmenu.get_results()
if not len(self.appmenu.items):
self.appmenu.get_results()
def _update(self):
self._update_menus()
top_level_menus = list(dict.fromkeys(map(lambda it: it.path[0] if len(it.path) > 0 else None, self.items)))
top_level_menus = list(filter(lambda x: x is not None, top_level_menus))
self._handle_shortcuts(top_level_menus)
self._send_msg(top_level_menus)
def _send_msg(self, top_level_menus):
if len(top_level_menus) == 0:
top_level_menus = dbus.Array(signature="s")
proxy = self.session.get_object(MyService.BUS_NAME, MyService.BUS_PATH)
proxy.EchoSendTopLevelMenus(top_level_menus)
@property
def prompt(self):
return self.window.get_app_name()
@property
def actions(self):
actions = self.gtkmenu.actions
if not len(actions):
actions = self.appmenu.actions
self.handle_empty(actions)
return actions.keys()
def accel(self):
accel = self.gtkmenu.accels
if not len(accel):
accel = self.appmenu.accels
return accel
@property
def items(self):
items = self.appmenu.items
if not len(items):
items = self.gtkmenu.items
return items
def activate(self, selection):
if selection in self.gtkmenu.actions:
self.gtkmenu.activate(selection)
elif selection in self.appmenu.actions:
self.appmenu.activate(selection)
def handle_empty(self, actions):
if not len(actions):
alert = 'No menu items available!'
promt = ''
try:
promt = self.prompt
except Exception as e:
pass
print('Gnome HUD: WARNING: (%s) %s' % (promt, alert))
def global_hud_menu(accel, dbus_menu):
menu = GlobalMenu(dbus_menu)
menu.run()