sugar-toolkit-gtk3/shell/view/Shell.py

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import gtk
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import gobject
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import wnck
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from sugar.canvas.Grid import Grid
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from view.home.HomeWindow import HomeWindow
from sugar.presence import PresenceService
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from view.ActivityHost import ActivityHost
from sugar.activity import ActivityFactory
from sugar.activity import Activity
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from view.frame.Frame import Frame
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from globalkeys import KeyGrabber
import sugar
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class Shell(gobject.GObject):
def __init__(self, model):
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gobject.GObject.__init__(self)
self._model = model
self._screen = wnck.screen_get_default()
self._grid = Grid()
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self._key_grabber = KeyGrabber()
self._key_grabber.connect('key-pressed', self.__global_key_pressed_cb)
self._key_grabber.grab('F1')
self._key_grabber.grab('F2')
self._key_grabber.grab('F3')
self._key_grabber.grab('F4')
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self._key_grabber.grab('F5')
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self._key_grabber.grab('F6')
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self._home_window = HomeWindow(self)
self._home_window.show()
self.set_zoom_level(sugar.ZOOM_HOME)
self._screen.connect('window-opened', self.__window_opened_cb)
self._screen.connect('window-closed', self.__window_closed_cb)
self._screen.connect('active-window-changed',
self.__active_window_changed_cb)
self._frame = Frame(self)
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self._frame.show_and_hide(10)
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def __global_key_pressed_cb(self, grabber, key):
if key == 'F1':
self.set_zoom_level(sugar.ZOOM_ACTIVITY)
elif key == 'F2':
self.set_zoom_level(sugar.ZOOM_HOME)
elif key == 'F3':
self.set_zoom_level(sugar.ZOOM_FRIENDS)
elif key == 'F4':
self.set_zoom_level(sugar.ZOOM_MESH)
elif key == 'F5':
self._frame.toggle_visibility()
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elif key == 'F6':
self._model.start_activity('org.sugar.Terminal')
def __window_opened_cb(self, screen, window):
if window.get_window_type() == wnck.WINDOW_NORMAL:
self._model.add_activity(ActivityHost(self, window))
def __active_window_changed_cb(self, screen):
window = screen.get_active_window()
if window and window.get_window_type() == wnck.WINDOW_NORMAL:
self._model.set_current_activity(window.get_xid())
def __window_closed_cb(self, screen, window):
if window.get_window_type() == wnck.WINDOW_NORMAL:
self._model.remove_activity(window.get_xid())
def get_model(self):
return self._model
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def get_grid(self):
return self._grid
def join_activity(self, bundle_id, activity_id):
pservice = PresenceService.get_instance()
activity = self._model.get_activity(activity_id)
if activity:
activity.present()
else:
activity_ps = pservice.get_activity(activity_id)
if activity_ps:
activity = ActivityFactory.create(bundle_id)
activity.join(activity_ps.object_path())
else:
logging.error('Cannot start activity.')
def start_activity(self, activity_type):
activity = ActivityFactory.create(activity_type)
activity.execute('test', [])
return activity
def set_zoom_level(self, level):
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if level == sugar.ZOOM_ACTIVITY:
self._screen.toggle_showing_desktop(False)
else:
self._screen.toggle_showing_desktop(True)
self._home_window.set_zoom_level(level)