94 lines
2.4 KiB
Python
Executable File
94 lines
2.4 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 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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import _sugar
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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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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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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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display_number += 1
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retries -= 1
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except:
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display_is_free = True
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if display_is_free:
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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(width, height, dpi):
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display = _get_display_number()
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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 width > 0 and height > 0:
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cmd.append('-screen')
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cmd.append('%dx%d' % (width, height))
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else:
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cmd.append('-fullscreen')
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if dpi > 0:
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cmd.append('-dpi')
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cmd.append(str(dpi))
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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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os.environ['SUGAR_EMULATOR'] = 'yes'
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if len(sys.argv) == 1:
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program = 'sugar-shell'
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else:
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program = sys.argv[1]
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if gtk.gdk.screen_width() < 1200 or gtk.gdk.screen_height() < 900:
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width = -1
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height = -1
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else:
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width = 1200
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height = 900
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_start_xephyr(width, height, min(_sugar.get_screen_dpi(), 96))
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os.execlp('dbus-launch', 'dbus-launch', '--exit-with-session', program)
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