169 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			169 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python
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# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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import os
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import sys
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import socket
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import logging
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from optparse import OptionParser
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log = logging.getLogger( 'sugar-emulator' )
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log.setLevel( logging.DEBUG )
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import pygtk
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pygtk.require('2.0')
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import gtk
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import gobject
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from sugar import env
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from sugar import ltihooks
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def _get_display_number():
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    """Find a free display number trying to connect to 6000+ ports"""
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    log.info( "Attempting to find free port for X11 (Xephyr)" )
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    retries = 20
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    display_number = 1
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    display_is_free = False
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    while not display_is_free and retries > 0:
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        lockstr = "/tmp/.X%d-lock" % display_number
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        if not os.path.exists(lockstr):
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            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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            try:
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                s.connect(('127.0.0.1', 6000 + display_number))
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                s.close()
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            except:
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                display_is_free = True
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                break
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        display_number += 1
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        retries -= 1
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    if display_is_free:
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        log.info(
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            '  Found free port: #%s (%s)',
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            display_number, display_number+6000
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        )
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        return display_number
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    else:
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        logging.error('Cannot find a free display.')
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        sys.exit(0)
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def _start_xephyr(dpi=None):
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    display = _get_display_number()
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    log.info( 'Starting the Xephyr nested X display on display %s', display )
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    cmd = [ 'Xephyr' ]
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    cmd.append(':%d' % display)
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    cmd.append('-ac') 
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    if gtk.gdk.screen_width() < 1200 or gtk.gdk.screen_height() < 900:
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        cmd.append('-fullscreen')
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    else:
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        cmd.append('-screen')
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        cmd.append('%dx%d' % (1200, 900))
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    if not dpi:
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        dpi = gtk.settings_get_default().get_property('gtk-xft-dpi') / 1024
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    if dpi > 0:
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        cmd.append('-dpi')
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        cmd.append('%d' % dpi)
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    log.debug( 'Xephyr command: %s', " ".join( cmd ) )
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    result = gobject.spawn_async(cmd, flags=gobject.SPAWN_SEARCH_PATH)
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    pid = result[0]
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    os.environ['DISPLAY'] = ":%d" % (display)
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    os.environ['SUGAR_EMULATOR_PID'] = str(pid)
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def _start_matchbox():
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    log.info( 'Starting the matchbox window manager' )
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    cmd = ['matchbox-window-manager']
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    cmd.extend(['-use_titlebar', 'no'])
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    cmd.extend(['-theme', 'sugar'])
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    log.debug( 'Matchbox command: %s', " ".join( cmd) )
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    gobject.spawn_async(cmd, flags=gobject.SPAWN_SEARCH_PATH)
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def _setup_env():
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    os.environ['SUGAR_EMULATOR'] = 'yes'
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    source_dir = os.path.dirname(os.path.abspath(__file__))
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    if os.path.isfile(os.path.join(source_dir, 'autogen.sh')):
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        os.environ['SUGAR_PATH'] = source_dir
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        if os.environ.has_key('PYTHONPATH'):
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            path = os.environ['PYTHONPATH']
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            os.environ['PYTHONPATH'] = source_dir + ':' + path
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            log.info( 'Set PYTHONPATH=%s', os.environ['PYTHONPATH'] )
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    os.environ['GABBLE_LOGFILE'] = os.path.join(
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            env.get_profile_path(), 'logs', 'telepathy-gabble.log')
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    os.environ['SALUT_LOGFILE'] = os.path.join(
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            env.get_profile_path(), 'logs', 'telepathy-salut.log')
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    os.environ['STREAM_ENGINE_LOGFILE'] = os.path.join(
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            env.get_profile_path(), 'logs', 'telepathy-stream-engine.log')
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def main():
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    """Script-level operations"""
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    parser = OptionParser()
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    parser.add_option('-x', '--xo-style', dest='xo_style',
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                      action='store_true', help='use the XO style')
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    (options, args) = parser.parse_args()
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    logging.basicConfig()
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    _setup_env()
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    if options.xo_style:
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        _start_xephyr(dpi=201)
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    else:
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        _start_xephyr()
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    if options.xo_style:
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        os.environ['SUGAR_XO_STYLE'] = 'yes'
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    else:
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        os.environ['SUGAR_XO_STYLE'] = 'no'
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    if options.xo_style:
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        gtkrc_filename = 'sugar-xo.gtkrc'
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    else:
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        gtkrc_filename = 'sugar.gtkrc'
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        os.environ['SUGAR_XO_STYLE'] = 'no'
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    os.environ['GTK2_RC_FILES'] = env.get_data_path(gtkrc_filename)
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    command = ['dbus-launch', 'dbus-launch', '--exit-with-session']
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    if not args:
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        command.append('sugar-shell')
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    else:
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        _start_matchbox()
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        if args[0].endswith('.py'):
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            command.append('python')
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        command.append(args[0])
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    log.info( "Attempting to launch sugar to replace this process: %s", " ".join(command))
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    os.execlp( *command )
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if __name__ == "__main__":
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    main()
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