Dogcows Code - chaz/openbox/blob - scripts/focus.py

   1 ###########################################################################
   2 ###          Functions for helping out with your window focus.          ###
   3 ###########################################################################
   4
   5 import config, ob
   6
   7 export_functions = ()
   8
   9 config.add('focus',
  10            'avoid_skip_taskbar',
  11            'Avoid SkipTaskbar Windows',
  12            "Don't focus windows which have requested to not be displayed " + \
  13            "in taskbars. You will still be able to focus the windows, but " + \
  14            "not through cycling, and they won't be focused as a fallback " + \
  15            "if 'Focus Fallback' is enabled.",
  16            'boolean',
  17            1)
  18
  19 config.add('focus',
  20            'fallback',
  21            'Focus Fallback',
  22            "Send focus somewhere when nothing is left with the focus, if " + \
  23            "possible.",
  24            'boolean',
  25            1)
  26
  27 # maintain a list of clients, stacked in focus order
  28 _clients = []
  29 _skip = 0
  30
  31 def _focusable(client, desktop):
  32     if not client.normal(): return 0
  33     if not (client.canFocus() or client.focusNotify()): return 0
  34     if client.iconic(): return 0
  35     if config.get('focus', 'avoid_skip_taskbar') and \
  36        client.skipTaskbar(): return 0
  37
  38     desk = client.desktop()
  39     if not (desk == 0xffffffff or desk == desktop): return 0
  40
  41     return 1
  42
  43 def _remove(client):
  44     """This function exists because Swig pointers don't define a __eq__
  45        function, so list.remove(ptr) does not work."""
  46     win = client.window()
  47     for i in range(len(_clients)):
  48         if _clients[i].window() == win:
  49             _clients.pop(i)
  50             return
  51     raise ValueError("_remove(x): x not in _clients list.")
  52
  53 def _focused(data):
  54     global _clients, _skip
  55
  56     if _skip:
  57         _skip -= 1
  58         return
  59
  60     if data.client:
  61         # move it to the top
  62         try:
  63             _remove(data.client)
  64         except ValueError: pass # happens if _focused comes before _newwindow
  65         _clients.insert(0, data.client)
  66     elif config.get('focus', 'fallback'):
  67         # pass around focus
  68         desktop = ob.openbox.screen(data.screen).desktop()
  69         for c in _clients:
  70             if _focusable(c, desktop):
  71                 c.focus()
  72                 break
  73
  74 def _newwindow(data):
  75     # make sure its not already in the list
  76     win = data.client.window()
  77     for i in range(len(_clients)):
  78         if _clients[i].window() == win:
  79             return
  80     _clients.append(data.client)
  81
  82 def _closewindow(data):
  83     _remove(data.client)
  84
  85 ob.ebind(ob.EventAction.NewWindow, _newwindow)
  86 ob.ebind(ob.EventAction.CloseWindow, _closewindow)
  87 ob.ebind(ob.EventAction.Focus, _focused)
  88
  89 print "Loaded focus.py"