diff options
| -rwxr-xr-x | sugar-emulator | 44 | ||||
| -rw-r--r-- | sugar/emulator.py | 121 |
2 files changed, 165 insertions, 0 deletions
diff --git a/sugar-emulator b/sugar-emulator new file mode 100755 index 0000000..5d97e0f --- /dev/null +++ b/sugar-emulator @@ -0,0 +1,44 @@ +#!/usr/bin/python + +# Copyright (C) 2006, 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 sys + +curdir = os.path.abspath(os.path.dirname(__file__)) +sourcedir = os.path.dirname(curdir) + +if os.path.isfile(os.path.join(sourcedir, 'sugar/__uninstalled__.py')): + print 'Running sugar from ' + sourcedir + ' ...' + sys.path.insert(0, sourcedir) +else: + print 'Running the installed sugar...' + +from sugar import env + +env.setup_system() + +from sugar.emulator import Emulator + +emulator = Emulator() +emulator.start() + +program = 'sugar-session' +if len(sys.argv) > 1: + program = sys.argv[1] +os.execlp('dbus-launch', 'dbus-launch', '--exit-with-session', + '--config-file=%s' % env.get_dbus_config(), program) diff --git a/sugar/emulator.py b/sugar/emulator.py new file mode 100644 index 0000000..78d39d2 --- /dev/null +++ b/sugar/emulator.py @@ -0,0 +1,121 @@ +# Copyright (C) 2006, Red Hat, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library 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 +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the +# Free Software Foundation, Inc., 59 Temple Place - Suite 330, +# Boston, MA 02111-1307, USA. + +import os +import socket +import sys + +import gobject + +from sugar import env + +def get_display_number(): + """Find a free display number trying to connect to 6000+ ports""" + retries = 20 + display_number = 1 + display_is_free = False + + while not display_is_free and retries > 0: + s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + try: + s.connect(('127.0.0.1', 6000 + display_number)) + s.close() + + display_number += 1 + retries -= 1 + except: + display_is_free = True + + if display_is_free: + return display_number + else: + logging.error('Cannot find a free display.') + sys.exit(0) + +class Process: + """Object representing one of the session processes""" + + def __init__(self, command): + self._command = command + + def get_name(self): + return self._command + + def start(self, standard_output=False): + args = self._command.split() + flags = gobject.SPAWN_SEARCH_PATH + result = gobject.spawn_async(args, flags=flags, + standard_output=standard_output) + self._stdout = result[2] + +class MatchboxProcess(Process): + def __init__(self): + kbd_config = os.path.join(env.get_data_dir(), 'kbdconfig') + options = '-kbdconfig %s ' % kbd_config + + options += '-use_titlebar no ' + options += '-theme olpc ' + + command = 'matchbox-window-manager %s ' % options + Process.__init__(self, command) + + def get_name(self): + return 'Matchbox' + +class XephyrProcess(Process): + def __init__(self): + self._display = get_display_number() + cmd = 'Xephyr :%d -ac -screen 800x600' % (self._display) + Process.__init__(self, cmd) + + def get_name(self): + return 'Xephyr' + + def start(self): + Process.start(self) + os.environ['DISPLAY'] = ":%d" % (self._display) + +class XnestProcess(Process): + def __init__(self): + self._display = get_display_number() + cmd = 'Xnest :%d -ac -geometry 800x600' % (self._display) + Process.__init__(self, cmd) + + def get_name(self): + return 'Xnest' + + def start(self): + Process.start(self) + os.environ['DISPLAY'] = ":%d" % (self._display) + +class Emulator: + """The OLPC emulator""" + def start(self): + try: + process = XephyrProcess() + process.start() + except: + try: + process = XnestProcess() + process.start() + except: + print 'Cannot run the emulator. You need to install \ + Xephyr or Xnest.' + sys.exit(0) + + process = MatchboxProcess() + process.start() |