# Copyright (C) 2006-2007, Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA import os import signal import logging import dbus import gobject import gtk from hardware import hardwaremanager from model.shellmodel import ShellModel from sugar._sugarext import KeyGrabber _actions_table = { 'F1' : 'zoom_mesh', 'F2' : 'zoom_friends', 'F3' : 'zoom_home', 'F4' : 'zoom_activity', 'F5' : 'brightness_1', 'F6' : 'brightness_2', 'F7' : 'brightness_3', 'F8' : 'brightness_4', 'F9' : 'volume_1', 'F10' : 'volume_2', 'F11' : 'volume_3', 'F12' : 'volume_4', '1' : 'screenshot', 'F8' : 'color_mode', 'F5' : 'b_and_w_mode', 'equal' : 'console', '0' : 'console', 'f' : 'frame', '0x93' : 'frame', 'o' : 'overlay', '0xE0' : 'overlay', '0xEB' : 'rotate', 'r' : 'rotate', '0xEC' : 'keyboard_brightness', 'Tab' : 'home', 'q' : 'quit_emulator', } class KeyHandler(object): def __init__(self, shell): self._shell = shell self._screen_rotation = 0 self._key_pressed = None self._keycode_pressed = 0 self._keystate_pressed = 0 self._key_grabber = KeyGrabber() self._key_grabber.connect('key-pressed', self._key_pressed_cb) self._key_grabber.connect('key-released', self._key_released_cb) for key in _actions_table.keys(): self._key_grabber.grab(key) def _set_display_brightness(self, level): hw_manager = hardwaremanager.get_manager() hw_manager.set_display_brightness(level) if level == 0: self._set_display_mode(hardwaremanager.B_AND_W_MODE) else: self._set_display_mode(hardwaremanager.COLOR_MODE) def _set_display_mode(self, mode): hw_manager = hardwaremanager.get_manager() hw_manager.set_display_mode(mode) def handle_zoom_mesh(self): self._shell.set_zoom_level(ShellModel.ZOOM_MESH) def handle_zoom_friends(self): self._shell.set_zoom_level(ShellModel.ZOOM_FRIENDS) def handle_zoom_home(self): self._shell.set_zoom_level(ShellModel.ZOOM_HOME) def handle_zoom_activity(self): self._shell.set_zoom_level(ShellModel.ZOOM_ACTIVITY) def handle_brightness_1(self): self._set_display_brightness(0) def handle_brightness_2(self): self._set_display_brightness(5) def handle_brightness_3(self): self._set_display_brightness(9) def handle_brightness_4(self): self._set_display_brightness(15) def handle_volume_1(self): hw_manager = hardwaremanager.get_manager() hw_manager.set_mute(True) def handle_volume_2(self): hw_manager = hardwaremanager.get_manager() hw_manager.set_mute(False) hw_manager.set_volume(50) def handle_volume_3(self): hw_manager = hardwaremanager.get_manager() hw_manager.set_mute(False) hw_manager.set_volume(80) def handle_volume_4(self): hw_manager = hardwaremanager.get_manager() hw_manager.set_mute(False) hw_manager.set_volume(100) def handle_color_mode(self): self._set_display_mode(hardwaremanager.COLOR_MODE) def handle_screenshot(self): self._shell.take_screenshot() def handle_b_and_w_mode(self): self._set_display_mode(hardwaremanager.B_AND_W_MODE) def handle_console(self): gobject.idle_add(self._toggle_console_visibility_cb) def handle_frame(self): self._shell.get_frame().notify_key_press() def handle_overlay(self): self._shell.toggle_chat_visibility() def handle_keyboard_brightness(self): hw_manager = hardwaremanager.get_manager() if hw_manager: hw_manager.toggle_keyboard_brightness() def handle_rotate(self): states = [ 'normal', 'left', 'inverted', 'right'] self._screen_rotation += 1 if self._screen_rotation == len(states): self._screen_rotation = 0 gobject.spawn_async(['xrandr', '-o', states[self._screen_rotation]], flags=gobject.SPAWN_SEARCH_PATH) def handle_quit_emulator(self): if os.environ.has_key('SUGAR_EMULATOR_PID'): pid = int(os.environ['SUGAR_EMULATOR_PID']) os.kill(pid, signal.SIGTERM) def handle_home(self): # FIXME: finish alt+tab support pass def _key_pressed_cb(self, grabber, keycode, state): key = grabber.get_key(keycode, state) logging.debug('_key_pressed_cb: %i %i %s' % (keycode, state, key)) if key: self._key_pressed = key self._keycode_pressed = keycode self._keystate_pressed = state """ status = gtk.gdk.keyboard_grab(gtk.gdk.get_default_root_window(), owner_events=False, time=0L) if status != gtk.gdk.GRAB_SUCCESS: logging.error("KeyHandler._key_pressed_cb(): keyboard grab failed: " + status) """ action = _actions_table[key] method = getattr(self, 'handle_' + action) method() return True return False def _key_released_cb(self, grabber, keycode, state): if self._keycode_pressed == keycode: self._keycode_pressed = 0 if self._keystate_pressed == state: self._keystate_pressed = 0 if not self._keycode_pressed and not self._keystate_pressed and \ self._key_pressed: gtk.gdk.keyboard_ungrab(time=0L) if self._key_pressed == 'f': self._shell.get_frame().notify_key_release() elif self._key_pressed == '0x93': self._shell.get_frame().notify_key_release() return True return False def _toggle_console_visibility_cb(self): bus = dbus.SessionBus() proxy = bus.get_object('org.laptop.sugar.Console', '/org/laptop/sugar/Console') console = dbus.Interface(proxy, 'org.laptop.sugar.Console') console.toggle_visibility()