Launch matchbox and other activities, use glib to spawn processes
This commit is contained in:
Dan Williams
parent
d5a9ca986d
commit
e5cd418e7e
126
legacy/legacy.py
126
legacy/legacy.py
@ -16,76 +16,17 @@ import gc
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import socket
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import types
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import select
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import string
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import time
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sys.path.append(os.getcwd())
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sys.path.append('../shell/example-activity/')
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import activity
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XEPHYR_PATH = "/usr/bin/Xephyr"
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MATCHBOX_PATH = "/usr/bin/matchbox-window-manager"
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def getfd(filespec, readOnly = 0):
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if type(filespec) == types.IntType:
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return (filespec, False)
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if filespec == None:
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filespec = "/dev/null"
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flags = os.O_RDWR | os.O_CREAT
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if (readOnly):
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flags = os.O_RDONLY
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fd = os.open(filespec, flags, 0644)
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return (fd, True)
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def exec_with_redirect(cmd, argv, display, stdin=0, stdout=1, stderr=2, setpgrp=True):
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cmd = os.path.abspath(cmd)
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if not os.access (cmd, os.X_OK):
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raise RuntimeError(cmd + " can not be run")
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stdout_opened = False
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stderr_opened = False
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(stdin, stdin_opened) = getfd(stdin)
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if stdout == stderr:
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(stdout, stdout_opened) = getfd(stdout)
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stderr = stdout
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else:
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(stdout, stdout_opened) = getfd(stdout)
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(stderr, stderr_opened) = getfd(stderr)
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childpid = os.fork()
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if (not childpid):
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# Become leader of a new process group if requested
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if setpgrp:
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os.setpgrp()
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if stdin != 0:
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os.dup2(stdin, 0)
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os.close(stdin)
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if stdout != 1:
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os.dup2(stdout, 1)
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if stdout != stderr:
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os.close(stdout)
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if stderr != 2:
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os.dup2(stderr, 2)
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os.close(stderr)
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try:
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if display:
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os.environ['DISPLAY'] = "0:%d" % display
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os.execv(cmd, argv)
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except OSError, e:
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print "Could not execute command '%s'. Reason: %s" % (cmd, e)
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sys.exit(1)
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# Close any files we may have opened
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if stdin_opened:
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os.close(stdin)
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if stdout_opened:
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os.close(stdout)
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if stderr != stdout and stderr_opened:
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os.close(stderr)
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return childpid
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class LegacyActivity(activity.Activity):
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def __init__(self, args):
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@ -93,38 +34,58 @@ class LegacyActivity(activity.Activity):
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self._act_name = os.path.basename(args[1])
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self._display = 5
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self._args = args[1:]
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self._act_pid = None
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self._matchbox_pid = None
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self._xephyr_pid = None
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def _xephyr_function(self, pid, condition, data=None):
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print "Xephyr: PID: %d, condition: %s" % (pid, condition)
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def _matchbox_function(self, pid, condition, data=None):
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print "WM: PID: %d, condition: %s" % (pid, condition)
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def _act_function(self, pid, condition, data=None):
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print "ACT: PID: %d, condition: %s" % (pid, condition)
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if condition == 0:
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self._act_pid = None
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gtk.main_quit()
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def __key_press_event_cb(self, widget, event):
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print event
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def _start(self):
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cmd = XEPHYR_PATH
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args = []
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args.append(XEPHYR_PATH)
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args.append(":%d" % self._display)
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args.append("-ac")
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args.append("-parent")
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args.append("%d" % self._plug.get_id())
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args.append("-host-cursor")
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self._xephyr_pid = exec_with_redirect(cmd, args, None, None)
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args = string.split("%s :%d -ac -parent %d -host-cursor" % (XEPHYR_PATH, self._display, self._plug.get_id()))
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(self._xephyr_pid, a, b, c) = gobject.spawn_async(args, standard_output=sys.stdout, standard_error=sys.stderr)
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self._xephyr_watch = gobject.child_watch_add(self._xephyr_pid, self._xephyr_function)
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cmd = os.path.abspath(self._args[0])
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args = [cmd]
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envp = ["DISPLAY=:%d" % self._display]
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envp.append("INPUTRC=/etc/inputrc")
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envp.append("XMODIFIERS=@im=SCIM")
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envp.append("GTK_IM_MODULE=scim")
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try:
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envp.append("LANG=%s" % os.environ['LANG'])
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except:
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envp.append("LANG=en_US.UTF-8")
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args = string.split("%s" % MATCHBOX_PATH)
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(self._matchbox_pid, a, b, c) = gobject.spawn_async(args, envp=envp, standard_output=sys.stdout, standard_error=sys.stderr)
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gobject.child_watch_add(self._matchbox_pid, self._matchbox_function)
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args = [os.path.abspath(self._args[0])]
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for arg in self._args[1:]:
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args.append(arg)
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self._act_pid = exec_with_redirect(cmd, args, self._display, None)
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self._act_watch = gobject.child_watch_add(self._act_pid, self._act_function)
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(self._act_pid, a, b, c) = gobject.spawn_async(args, envp=envp, standard_output=sys.stdout, standard_error=sys.stderr)
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gobject.child_watch_add(self._act_pid, self._act_function)
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def activity_on_connected_to_shell(self):
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print "act %d: in activity_on_connected_to_shell" % self.activity_get_id()
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self.activity_set_tab_text(self._act_name)
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self._plug = self.activity_get_gtk_plug()
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self._plug.add_events(gtk.gdk.ALL_EVENTS_MASK)
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self._plug.connect("key-press-event", self.__key_press_event_cb)
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self._plug.show()
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self._start()
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self._plug.grab_focus()
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def activity_on_disconnected_from_shell(self):
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print "act %d: in activity_on_disconnected_from_shell"%self.activity_get_id()
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@ -140,10 +101,21 @@ class LegacyActivity(activity.Activity):
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def activity_on_got_focus(self):
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print "act %d: in activity_on_got_focus"%self.activity_get_id()
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self._plug.grab_focus()
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def cleanup(self):
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os.kill(self._xephyr_pid, 9)
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os.kill(self._act_pid, 9)
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try:
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if self._act_pid:
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os.kill(self._act_pid, 9)
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time.sleep(0.2)
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if self._xephyr_pid:
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os.kill(self._xephyr_pid, 9)
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time.sleep(0.2)
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if self._matchbox_pid:
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os.kill(self._matchbox_pid, 9)
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time.sleep(0.2)
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except OSError, e:
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pass
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def run(self):
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try:
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