plugins/clock.lua

   1 --
   2 -- Copyright (c) 2007, Bart Trojanowski <bart@jukie.net>
   3 --
   4 -- Simple clock applet for wmii bar.
   5 --
   6 local wmii = require("wmii")
   7 local os = require("os")
   8
   9 module("clock")         -- module name
  10 api_version=0.1         -- api version, see doc/plugin-api
  11
  12 -- ------------------------------------------------------------
  13 -- CLOCK CONFIGURATION VARIABLES
  14 --
  15 -- these can be overridden by wmiirc
  16
  17 wmii.set_conf ("clock.update", 1)
  18 wmii.set_conf ("clock.format", "%Y/%m/%d %H:%M:%S")
  19
  20 -- ------------------------------------------------------------
  21 -- MODULE VARIABLES
  22
  23 local widget = nil       -- the display on the bar
  24 local timer = nil       -- the 1/second tick timer
  25
  26 -- ------------------------------------------------------------
  27 -- THE TIMER WIDGET
  28 --
  29 -- Note that widgets are sorted in ascending order from left to
  30 -- right on wmii's bar.  By convention this is a 3 digit number
  31 -- and is prefixed to the widget name. There is currently no
  32 -- way to reorder a widget, but it is planed for a future release.
  33 --
  34 local widget = wmii.widget:new ("999_clock")
  35
  36 local xmessagebox = "xmessage -center -buttons quit:0 -default quit -file -"
  37 local function button_handler (ev, button)
  38         -- 3 is right button
  39         if button == 3 then
  40                 os.execute("ncal -y | wmiisetsid " .. xmessagebox .. "&")
  41         end
  42 end
  43
  44 widget:add_event_handler("RightBarClick", button_handler)
  45
  46
  47
  48 -- ------------------------------------------------------------
  49 -- THE TIMER FUNCTION
  50 --
  51 -- The timer function will be called every X seconds.  If the
  52 -- timer function returns a number
  53
  54 local function clock_timer (time_since_update)
  55         local fmt = wmii.get_conf("clock.format") or "%c"
  56         widget:show (os.date(fmt))
  57
  58         -- returning a positive number of seconds before next wakeup, or
  59         -- nil (or no return at all) repeats the last schedule, or
  60         -- -1 to stop the timer
  61         return 1
  62 end
  63
  64 local timer = wmii.timer:new (clock_timer, 1)
  65