lib/beautiful.lua.in

   1 ----------------------------------------------------------------------------
   2 -- @author Damien Leone &lt;damien.leone@gmail.com&gt;
   3 -- @author Julien Danjou &lt;julien@danjou.info&gt;
   4 -- @copyright 2008 Damien Leone, Julien Danjou
   5 -- @release @AWESOME_VERSION@
   6 ----------------------------------------------------------------------------
   7
   8 -- Grab environment
   9 local io = io
  10 local print = print
  11 local setmetatable = setmetatable
  12 local util = require("awful.util")
  13 local package = package
  14 local capi =
  15 {
  16     screen = screen,
  17     awesome = awesome
  18 }
  19
  20 local module_name = "beautiful"
  21
  22 --- beautiful: theme library
  23 module("beautiful")
  24
  25 -- Local data
  26 local theme = {}
  27
  28 --- Split line in two if it  contains the '=' character.
  29 -- @param line The line to split.
  30 -- @return nil if  the '=' character is not in the string
  31 local function split_line(line)
  32     local split_val = line:find('=')
  33
  34     if split_val and line:sub(1, 1) ~= '#' and line:sub(1, 2) ~= '--' then
  35         -- Remove spaces and tabulations in key
  36         local key = line:sub(1, split_val - 1):gsub(' ', ''):gsub('\t', '')
  37         -- and extra spaces and tabulations before value
  38         local value = line:sub(split_val + 1, -1)
  39         while value:sub(1, 1) == ' ' or value:sub(1, 1) == '\t' do
  40             value = value:sub(2, -1)
  41         end
  42
  43         return key, value
  44     end
  45 end
  46
  47 --- Get a value directly.
  48 -- @param key The key.
  49 -- @return The value.
  50 function __index(self, key)
  51     if theme[key] then
  52         return theme[key]
  53     end
  54 end
  55
  56 --- Init function, should be runned at the beginning of configuration file.
  57 -- @param path The theme file path.
  58 function init(path)
  59     if path then
  60        local f = io.open(path)
  61
  62        if not f then
  63            return print("E: unable to load theme " .. path)
  64        end
  65
  66        for line in f:lines() do
  67             local key, value
  68             key, value = split_line(line)
  69             if key then
  70                 if key == "wallpaper_cmd" then
  71                     for s = 1, capi.screen.count() do
  72                         util.spawn(value, s)
  73                     end
  74                 elseif key == "font" then
  75                     capi.awesome.font(value)
  76                 elseif key == "fg_normal" then
  77                     capi.awesome.colors({ fg = value })
  78                 elseif key == "bg_normal" then
  79                     capi.awesome.colors({ bg = value })
  80                 end
  81                 -- Store.
  82                 theme[key] = value
  83             end
  84         end
  85         f:close()
  86     end
  87 end
  88
  89 setmetatable(package.loaded[module_name], package.loaded[module_name])
  90
  91 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80