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#!/usr/bin/env 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
import socket
import pygtk
pygtk.require('2.0')
import gtk
import gobject
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)
def _start_xephyr():
display = _get_display_number()
cmd = [ 'Xephyr' ]
cmd.append(':%d' % display)
cmd.append('-ac')
if gtk.gdk.screen_width() < 1200 or gtk.gdk.screen_height() < 900:
cmd.append('-fullscreen')
else:
cmd.append('-screen')
cmd.append('%dx%d' % (1200, 900))
dpi = gtk.settings_get_default().get_property('gtk-xft-dpi')
if dpi > 0:
cmd.append('-dpi')
cmd.append('%d' % int(dpi/1024))
result = gobject.spawn_async(cmd, flags=gobject.SPAWN_SEARCH_PATH)
pid = result[0]
os.environ['DISPLAY'] = ":%d" % (display)
os.environ['SUGAR_EMULATOR_PID'] = str(pid)
def _setup_env():
os.environ['SUGAR_EMULATOR'] = 'yes'
source_dir = os.path.dirname(os.path.abspath(__file__))
if os.path.isfile(os.path.join(source_dir, 'autogen.sh')):
os.environ['SUGAR_PATH'] = source_dir
if os.environ.has_key('PYTHONPATH'):
path = os.environ['PYTHONPATH']
os.environ['PYTHONPATH'] = source_dir + ':' + path
_setup_env()
_start_xephyr()
from sugar import env
os.environ['GTK2_RC_FILES'] = env.get_data_path('gtkrc')
if len(sys.argv) == 1:
program = 'sugar-shell'
else:
program = sys.argv[1]
os.execlp('dbus-launch', 'dbus-launch', '--exit-with-session', program)
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