lib/awful/startup_notification.lua.in

   1 ---------------------------------------------------------------------------
   2 -- @author Julien Danjou &lt;julien@danjou.info&gt;
   3 -- @copyright 2009 Julien Danjou
   4 -- @release @AWESOME_VERSION@
   5 ---------------------------------------------------------------------------
   6
   7 -- Grab environment we need
   8 local ipairs = ipairs
   9 local table = table
  10 local capi =
  11 {
  12     awesome = awesome,
  13     root = root
  14 }
  15
  16 --- Startup notification module for awful
  17 -- awful.startup_notification
  18
  19 local app_starting = {}
  20
  21 local cursor_waiting = "watch"
  22
  23 local function update_cursor()
  24     if #app_starting > 0 then
  25         capi.root.cursor(cursor_waiting)
  26     else
  27         capi.root.cursor("left_ptr")
  28     end
  29 end
  30
  31 local function unregister_event(event_id)
  32     for k, v in ipairs(app_starting) do
  33         if v == event_id then
  34             table.remove(app_starting, k)
  35             update_cursor()
  36             break
  37         end
  38     end
  39 end
  40
  41 local function register_event(event_id)
  42     table.insert(app_starting, event_id)
  43     update_cursor()
  44 end
  45
  46 local function unregister_hook(event) unregister_event(event.id) end
  47 local function register_hook(event) register_event(event.id) end
  48
  49 capi.awesome.connect_signal("spawn::initiated", register_hook)
  50 capi.awesome.connect_signal("spawn::canceled", unregister_hook)
  51 capi.awesome.connect_signal("spawn::completed", unregister_hook)
  52 capi.awesome.connect_signal("spawn::timeout", unregister_hook)
  53
  54 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80