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     image = image
  19 }
  20
  21 local module_name = "beautiful"
  22
  23 --- beautiful: theme library
  24 module("beautiful")
  25
  26 -- Local data
  27 local theme = {}
  28
  29 --- Split line in two if it  contains the '=' character.
  30 -- @param line The line to split.
  31 -- @return nil if  the '=' character is not in the string
  32 local function split_line(line)
  33     local split_val = line:find('=')
  34
  35     if split_val and line:sub(1, 1) ~= '#' and line:sub(1, 2) ~= '--' then
  36         -- Remove spaces and tabulations in key
  37         local key = line:sub(1, split_val - 1):gsub(' ', ''):gsub('\t', '')
  38         -- and extra spaces and tabulations before value
  39         local value = line:sub(split_val + 1, -1)
  40         while value:sub(1, 1) == ' ' or value:sub(1, 1) == '\t' do
  41             value = value:sub(2, -1)
  42         end
  43
  44         return key, value
  45     end
  46 end
  47
  48 --- Get a value directly.
  49 -- @param key The key.
  50 -- @return The value.
  51 function __index(self, key)
  52     if theme[key] then
  53         return theme[key]
  54     end
  55 end
  56
  57 --- Init function, should be runned at the beginning of configuration file.
  58 -- @param path The theme file path.
  59 function init(path)
  60     if path then
  61        local f = io.open(path)
  62
  63        if not f then
  64            return print("E: unable to load theme " .. path)
  65        end
  66
  67        for line in f:lines() do
  68             local key, value
  69             key, value = split_line(line)
  70             if key then
  71                 if key == "wallpaper_cmd" then
  72                     for s = 1, capi.screen.count() do
  73                         util.spawn(value, s)
  74                     end
  75                 elseif key == "font" then
  76                     capi.awesome.font = value
  77                 elseif key == "fg_normal" then
  78                     capi.awesome.fg = value
  79                 elseif key == "bg_normal" then
  80                     capi.awesome.bg = value
  81                 end
  82                 -- Store.
  83                 theme[key] = value
  84             end
  85         end
  86         f:close()
  87     end
  88 end
  89
  90 --- Get the current theme.
  91 -- @return The current theme table.
  92 function get()
  93     return package.loaded[module_name]
  94 end
  95
  96 setmetatable(package.loaded[module_name], package.loaded[module_name])
  97
  98 -- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80