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#!/usr/bin/env python
# vim:set et sts=4 sw=4:
#
# ibus - The Input Bus
#
# Copyright (c) 2007-2008 Huang Peng <shawn.p.huang@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
import os
import os.path
import atexit
import sys
import time
import ibus
import dbus
import signal
daemon = "@prefix@/bin/ibus-daemon"
x11 = "@prefix@/bin/ibus-x11"
panel = "@prefix@/bin/ibus-panel"
conf = "@prefix@/bin/ibus-gconf"
class Launcher(object):
def __init__(self):
super(Launcher, self).__init__()
self.__daemon_pid = 0
self.__panel_pid = 0
self.__conf_pid = 0
self.__x11_pid = 0
self.__bus = None
def __start_process(self, path, args, cmd):
pid = 0
try:
print "Starting %s" % cmd,
pid = os.spawnv (os.P_NOWAIT, path, args)
print "OK"
except:
print >> sys.stderr, "Start %s Failed" % cmd
return pid
def __bus_destroy_cb(self, bus):
self.__bus = None
ibus.main_quit()
def __signal_cb(self, sig, stack):
if sig == signal.SIGCHLD:
pid, status = os.wait()
if pid == self.__daemon_pid:
self.__daemon_pid = 0
self.__bus = None
elif pid == self.__x11_pid:
self.__x11_pid = 0
elif pid == self.__panel_pid:
self.__panel_pid = 0
elif pid == self.__conf_pid:
self.__conf_pid = 0
elif sig == signal.SIGTERM or sig == signal.SIGINT:
sys.exit(1)
def __atexit_cb(self):
if self.__bus:
try:
self.__bus.kill()
except:
pass
os.kill(-os.getpid(), signal.SIGTERM)
def run(self):
try:
bus = ibus.Bus()
print >> sys.stderr, "Found an ibus-daemon has been started!"
sys.exit(1)
except dbus.DBusException, e:
pass
# make self process group leader
if os.getpid() != os.getpgid(os.getpid()):
os.setpgid(0, 0)
signal.signal(signal.SIGCHLD, self.__signal_cb)
signal.signal(signal.SIGINT, self.__signal_cb)
signal.signal(signal.SIGTERM, self.__signal_cb)
atexit.register(self.__atexit_cb)
# start ibus-daemon
self.__daemon_pid = self.__start_process(daemon, [daemon], "ibus-daemon")
if self.__daemon_pid <= 0:
sys.exit(1)
for i in range(5):
time.sleep (1)
try:
self.__bus = ibus.Bus()
break
except:
pass
if self.__bus == None:
print >> sys.stderr, "Start ibus-daemon failed"
sys.exit(1)
self.__bus.connect("destroy", self.__bus_destroy_cb)
self.__conf_pid = self.__start_process(conf, [conf], "ibus-conf")
self.__panel_pid = self.__start_process(panel, [panel], "ibus-panel")
self.__x11_pid = self.__start_process(x11, [x11, "--kill-daemon"], "ibus-x11")
time.sleep(1)
while ibus.main_iteration(False):
pass
self.__launch_auto_load_engines()
ibus.main()
def __launch_auto_load_engines(self):
engines = []
try:
engines = self.__bus.config_get_value("general", "preload_engines", None)
if not engines:
engines = []
except:
pass
for e in engines:
try:
lang, name = e.split(":")
self.__bus.register_start_engine(lang, name)
except:
import traceback
traceback.print_exc()
if __name__ == "__main__":
Launcher().run()
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