gnome-shell/scripts/start-replace
Owen Taylor 276cb9d8b9 Add start-replace script
Add a script to start gnome-shell replacing metacity and gnome-panel.
When gnome-shell exits, gnome-panel and metacity are restarted.

svn path=/trunk/; revision=16
2008-11-01 19:45:00 +00:00

67 lines
2.5 KiB
Python
Executable File

#!/usr/bin/python
import os,sys,subprocess,signal
import random
import shutil
import tempfile
import time
# Uninstalled paths
scripts_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
top_dir = os.path.dirname(scripts_dir)
plugin_dir = os.path.join(top_dir, "src")
plugin = os.path.join(plugin_dir, "libgnome-shell.la")
js_dir = os.path.join(top_dir, "js")
try:
# Kill gnome-panel in a way that it won't autorespawn
pidof = subprocess.Popen(["/sbin/pidof", "gnome-panel"], stdout=subprocess.PIPE)
pids = pidof.communicate()[0].split()
pidof.wait()
devnull = open("/dev/null", "w")
for pid in pids:
subprocess.call(["gdb", "-batch-silent",
"-ex", "call panel_session_do_not_restart()",
"-ex", "call exit()",
"-p", pid], stdout=devnull, stderr=devnull)
devnull.close()
# Check if GLX supports GL_ARB_texture_non_power_of_two; currently clutter
# can only use GLX_EXT_texture_for_pixmap if we have that extension.
glxinfo = subprocess.Popen(["glxinfo"], stdout=subprocess.PIPE)
glxinfo_output = glxinfo.communicate()[0]
glxinfo.wait()
have_npot_textures = "GL_ARB_texture_non_power_of_two" in glxinfo_output
# Now launch metacity-clutter with our plugin
env=dict(os.environ)
env.update({'GNOME_SHELL_JS' : js_dir,
'GI_TYPELIB_PATH' : plugin_dir,
'LD_LIBRARY_PATH' : os.environ.get('LD_LIBRARY_PATH', '') + ':' + plugin_dir})
if have_npot_textures:
# If we have NPOT textures, then we want to use GLX_EXT_texture_from_pixmap; in
# most cases, we have to force indirect rendering to do this. DRI2 will lift
# that restriction; in which case what we should do is parse the information
# from glxinfo more carefully... if the extension isn't listed under
# "GLX extensions" with LIBGL_ALWAYS_INDIRECT unset, then set LIBGL_ALWAYS_INDIRECT
# and try again.
env['LIBGL_ALWAYS_INDIRECT'] = '1'
args = 'DEBUG' in os.environ and os.environ['DEBUG'].split() or []
args.extend(['metacity', '--mutter-plugins=' + plugin, '--replace'])
metacity = subprocess.Popen(args, env=env)
# Wait for metacity to exit
try:
metacity.wait()
except KeyboardInterrupt, e:
os.kill(metacity.pid, signal.SIGKILL)
metacity.wait()
finally:
# Restart gnome-panel and window manager
subprocess.Popen(["/usr/bin/metacity"])
subprocess.Popen(["/usr/bin/gnome-panel"])