223 lines
6.9 KiB
Python
223 lines
6.9 KiB
Python
import os
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import signal
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import logging
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import dbus
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import gobject
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import gtk
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from sugar import env
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from hardware import hardwaremanager
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from model.ShellModel import ShellModel
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from extensions import KeyGrabber
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import sugar
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_actions_table = {
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'F1' : 'zoom_mesh',
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'F2' : 'zoom_friends',
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'F3' : 'zoom_home',
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'F4' : 'zoom_activity',
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'F5' : 'brightness_1',
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'F6' : 'brightness_2',
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'F7' : 'brightness_3',
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'F8' : 'brightness_4',
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'F9' : 'volume_1',
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'F10' : 'volume_2',
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'F11' : 'volume_3',
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'F12' : 'volume_4',
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'<alt>F8' : 'color_mode',
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'<alt>F5' : 'b_and_w_mode',
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'<alt>equal' : 'console',
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'<alt>0' : 'console',
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'<alt>f' : 'frame',
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'0x93' : 'frame',
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'<alt>o' : 'overlay',
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'0xE0' : 'overlay',
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'0xDC' : 'camera',
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'0x7C' : 'shutdown',
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'<alt><shift>s' : 'shutdown',
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'0xEB' : 'rotate',
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'<alt>r' : 'rotate',
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'0xEC' : 'keyboard_brightness',
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'<alt>Tab' : 'home',
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'<alt>q' : 'quit_emulator',
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}
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class KeyHandler(object):
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def __init__(self, shell):
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self._shell = shell
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self._audio_manager = hardwaremanager.get_audio_manager()
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self._screen_rotation = 0
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self._key_pressed = None
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self._keycode_pressed = 0
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self._keystate_pressed = 0
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self._key_grabber = KeyGrabber()
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self._key_grabber.connect('key-pressed',
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self._key_pressed_cb)
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self._key_grabber.connect('key-released',
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self._key_released_cb)
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for key in _actions_table.keys():
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self._key_grabber.grab(key)
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def _set_display_brightness(self, level):
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hw_manager = hardwaremanager.get_hardware_manager()
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if hw_manager:
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hw_manager.set_display_brightness(level)
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if level == 0:
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self._set_display_mode(hardwaremanager.B_AND_W_MODE)
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else:
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self._set_display_mode(hardwaremanager.COLOR_MODE)
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def _set_display_mode(self, mode):
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hw_manager = hardwaremanager.get_hardware_manager()
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if hw_manager:
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hw_manager.set_display_mode(mode)
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def handle_zoom_mesh(self):
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self._shell.set_zoom_level(sugar.ZOOM_MESH)
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def handle_zoom_friends(self):
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self._shell.set_zoom_level(sugar.ZOOM_FRIENDS)
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def handle_zoom_home(self):
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self._shell.set_zoom_level(sugar.ZOOM_HOME)
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def handle_zoom_activity(self):
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self._shell.set_zoom_level(sugar.ZOOM_ACTIVITY)
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def handle_brightness_1(self):
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self._set_display_brightness(0)
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def handle_brightness_2(self):
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self._set_display_brightness(5)
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def handle_brightness_3(self):
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self._set_display_brightness(9)
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def handle_brightness_4(self):
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self._set_display_brightness(15)
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def handle_volume_1(self):
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self._audio_manager.set_volume(0)
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def handle_volume_2(self):
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self._audio_manager.set_volume(50)
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def handle_volume_3(self):
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self._audio_manager.set_volume(80)
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def handle_volume_4(self):
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self._audio_manager.set_volume(100)
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def handle_color_mode(self):
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self._set_display_mode(hardwaremanager.COLOR_MODE)
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def handle_b_and_w_mode(self):
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self._set_display_mode(hardwaremanager.B_AND_W_MODE)
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def handle_console(self):
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gobject.idle_add(self._toggle_console_visibility_cb)
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def handle_frame(self):
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self._shell.get_frame().notify_key_press()
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def handle_overlay(self):
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self._shell.toggle_chat_visibility()
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def handle_camera(self):
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current_activity = self._shell.get_current_activity()
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if current_activity:
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if current_activity.execute('camera', []):
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return
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self._shell.start_activity('org.laptop.CameraActivity')
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def handle_shutdown(self):
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model = self._shell.get_model()
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model.props.state = ShellModel.STATE_SHUTDOWN
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if env.is_emulator():
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return
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bus = dbus.SystemBus()
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proxy = bus.get_object('org.freedesktop.Hal',
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'/org/freedesktop/Hal/devices/computer')
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mgr = dbus.Interface(proxy, 'org.freedesktop.Hal.Device.SystemPowerManagement')
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mgr.Shutdown()
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def handle_keyboard_brightness(self):
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hw_manager = hardwaremanager.get_hardware_manager()
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if hw_manager:
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hw_manager.toggle_keyboard_brightness()
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def handle_rotate(self):
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states = [ 'normal', 'left', 'inverted', 'right']
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self._screen_rotation += 1
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if self._screen_rotation == len(states):
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self._screen_rotation = 0
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gobject.spawn_async(['xrandr', '-o', states[self._screen_rotation]],
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flags=gobject.SPAWN_SEARCH_PATH)
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def handle_quit_emulator(self):
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if os.environ.has_key('SUGAR_EMULATOR_PID'):
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pid = int(os.environ['SUGAR_EMULATOR_PID'])
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os.kill(pid, signal.SIGTERM)
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def handle_home(self):
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# FIXME: finish alt+tab support
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pass
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def _key_pressed_cb(self, grabber, keycode, state):
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key = grabber.get_key(keycode, state)
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logging.debug('_key_pressed_cb: %i %i %s' % (keycode, state, key))
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if key:
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self._key_pressed = key
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self._keycode_pressed = keycode
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self._keystate_pressed = state
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"""
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status = gtk.gdk.keyboard_grab(gtk.gdk.get_default_root_window(),
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owner_events=False, time=0L)
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if status != gtk.gdk.GRAB_SUCCESS:
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logging.error("KeyHandler._key_pressed_cb(): keyboard grab failed: " + status)
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"""
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action = _actions_table[key]
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method = getattr(self, 'handle_' + action)
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method()
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return True
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return False
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def _key_released_cb(self, grabber, keycode, state):
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if self._keycode_pressed == keycode:
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self._keycode_pressed = 0
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if self._keystate_pressed == state:
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self._keystate_pressed = 0
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if not self._keycode_pressed and not self._keystate_pressed and \
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self._key_pressed:
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gtk.gdk.keyboard_ungrab(time=0L)
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if self._key_pressed == '<alt>f':
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self._shell.get_frame().notify_key_release()
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elif self._key_pressed == '0x93':
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self._shell.get_frame().notify_key_release()
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return True
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return False
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def _toggle_console_visibility_cb(self):
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bus = dbus.SessionBus()
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proxy = bus.get_object('org.laptop.sugar.Console',
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'/org/laptop/sugar/Console')
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console = dbus.Interface(proxy, 'org.laptop.sugar.Console')
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console.toggle_visibility()
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