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  • Committer: seiflotfy
  • Date: 2008-05-26 23:01:50 UTC
  • Revision ID: vcs-imports@canonical.com-20080526230150-37ccwtnb1ksqr3q1

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mayanna/mayanna.py
 
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import gc
 
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import os
 
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import signal
 
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from gettext import bindtextdomain, textdomain
 
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import gtk
 
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import gnome
 
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import mayanna_globals
 
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from mayanna_bar import MayannaBarDock
 
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from mayanna_applications import ApplicationsTopic
 
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from mayanna_computer import ComputerTopic
 
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from mayanna_library import DocumentsTopic
 
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from mayanna_people import PeopleTopic
 
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from mayanna_util import gconf_bridge
 
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#
 
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# Globals
 
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#
 
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mayanna_bar = None
 
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def _load_mayanna_bar(topics):
 
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    '''Create a new GimmieBar, and destroy the existing one if it exists.'''
 
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    global mayanna_bar
 
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    swapbar = gconf_bridge.get("swapbar")
 
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    autohide = gconf_bridge.get("autohide")
 
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    vertical = gconf_bridge.get("vertical")
 
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    # Use a single bottom bar by default.
 
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    gravity = (vertical and gtk.gdk.GRAVITY_WEST) or gtk.gdk.GRAVITY_SOUTH
 
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    if mayanna_bar:
 
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        mayanna_bar.destroy()
 
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    mayanna_bar = MayannaBarDock(topics)
 
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def _setup_session_manager():
 
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    '''Enables session manager auto-restart on login, and after a crash.'''
 
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    session_mgr = gnome.ui.master_client()
 
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    argv = [__file__]
 
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    try:
 
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        session_mgr.set_restart_command(argv)
 
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    except TypeError:
 
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        # Fedora systems have a broken gnome-python wrapper for this function.
 
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        session_mgr.set_restart_command(len(argv), argv)
 
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    session_mgr.set_restart_style(gnome.ui.RESTART_IF_RUNNING | gnome.ui.RESTART_IMMEDIATELY)
 
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    session_mgr.connect("die", lambda x: gtk.main_quit())
 
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def _cancel_session_manager():
 
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    '''Resets session manager to avoid immediate restart.'''
 
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    session_mgr = gnome.ui.master_client()
 
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    session_mgr.set_restart_style(gnome.ui.RESTART_IF_RUNNING) 
 
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    session_mgr.flush()
 
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def main(args):
 
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    bindtextdomain('mayanna', mayanna_globals.localedir)
 
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    textdomain('mayanna')
 
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    ### Uncomment to spew leak debug info
 
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    #gc.set_debug(gc.DEBUG_LEAK)
 
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    # Tell gobject/gtk we are threaded
 
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    gtk.gdk.threads_init()
 
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    gnome.program_init("mayanna", mayanna_globals.version)
 
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    _setup_session_manager()
 
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    signal.signal(signal.SIGTERM, lambda x: _cancel_session_manager()) # Don't restart after kill
 
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    try:
 
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        topics = [ApplicationsTopic(), DocumentsTopic(), PeopleTopic(), ComputerTopic()]
 
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        load_it = lambda: _load_mayanna_bar(topics)
 
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        gconf_bridge.connect("changed::swapbar", lambda gb: load_it())
 
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        gconf_bridge.connect("changed::autohide", lambda gb: load_it())
 
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        gconf_bridge.connect("changed::vertical", lambda gb: load_it())
 
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        load_it()
 
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        gtk.main()
 
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    except (KeyboardInterrupt, SystemExit):
 
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        # Don't restart if user pressed Ctrl-C, or sys.exit called
 
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        _cancel_session_manager()
 
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if __name__ == "__main__":
 
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    main(None)