awesome/lib/beautiful.lua.in

93 lines
2.9 KiB
Lua

----------------------------------------------------------------------------
-- @author Damien Leone <damien.leone@gmail.com>
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008-2009 Damien Leone, Julien Danjou
-- @release @AWESOME_VERSION@
----------------------------------------------------------------------------
-- Grab environment
local io = io
local os = os
local print = print
local pcall = pcall
local pairs = pairs
local type = type
local dofile = dofile
local setmetatable = setmetatable
local util = require("awful.util")
local package = package
local capi =
{
screen = screen,
awesome = awesome,
image = image
}
--- Theme library.
module("beautiful")
-- Local data
local theme
-- Checks the entries in the wallpaper_cmd are valid.
-- @param tw A table with wallpaper commands.
-- @return False if there is no way that this can be a valid wallpaper cmd.
local function wallpaper_is_valid(tw)
if type(tw) ~= 'table' then return false end
for _, v in pairs(tw) do
if type(v) ~= 'string' then return false end
end
return (#tw > 0) and true
end
--- Init function, should be runned at the beginning of configuration file.
-- @param path The theme file path.
function init(path)
if path then
local success
success, theme = pcall(function() return dofile(path) end)
if not success then
return print("E: beautiful: error loading theme file " .. theme)
elseif theme then
-- try and grab user's $HOME directory
local homedir = os.getenv("HOME")
-- expand '~'
if homedir then
for k, v in pairs(theme) do
if type(v) == "string" then theme[k] = v:gsub("~", homedir) end
end
end
-- setup wallpaper
if wallpaper_is_valid(theme.wallpaper_cmd) then
for s = 1, capi.screen.count() do
util.spawn(theme.wallpaper_cmd[util.cycle(#theme.wallpaper_cmd, s)], false, s)
end
else
if theme.wallpaper_cmd then
-- There is a wallpaper_cmd, but wallpaper_is_valid doesn't like it
print("W: beautiful: invalid wallpaper_cmd in theme file " .. path)
end
end
if theme.font then capi.awesome.font = theme.font end
if theme.fg_normal then capi.awesome.fg = theme.fg_normal end
if theme.bg_normal then capi.awesome.bg = theme.bg_normal end
else
return print("E: beautiful: error loading theme file " .. path)
end
else
return print("E: beautiful: error loading theme: no path specified")
end
end
--- Get the current theme.
-- @return The current theme table.
function get()
return theme
end
setmetatable(_M, { __index = function(t, k) return theme[k] end })
-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80