96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
| #!/usr/bin/env python
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| 
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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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| 
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| import os
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| import sys
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| import socket
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| 
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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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| 
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| from sugar import env
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| def _start_xephyr(width, height, dpi):
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|     display = _get_display_number()
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     os.environ['DISPLAY'] = ":%d" % (display)
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|     os.environ['SUGAR_EMULATOR_PID'] = str(pid)
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| 
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| os.environ['SUGAR_EMULATOR'] = 'yes'
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| 
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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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| 
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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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| 
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| _gtk_xft_dpi = float(gtk.settings_get_default().get_property('gtk-xft-dpi'))
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| _start_xephyr(width, height, _gtk_xft_dpi / 1024)
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| 
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| os.environ['GTK2_RC_FILES'] = env.get_data_path('gtkrc')
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| 
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| os.execlp('dbus-launch', 'dbus-launch', '--exit-with-session', program)
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