awesome/launchbar.lua

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2018-11-28 14:49:10 +01:00
-- Quick launchbar widget for Awesome WM
-- http://awesome.naquadah.org/wiki/Quick_launch_bar_widget/3.5
-- Put into your awesome/ folder and add the following to rc.lua:
-- local launchbar = require('launchbar')
-- local mylb = launchbar("/path/to/directory/with/shortcuts/")
-- Then add mylb to the wibox.
local naughty = require('naughty')
local layout = require("wibox.layout")
local util = require("awful.util")
local spawn = require('awful.spawn')
local launcher = require("command_launcher")
local launchbar = {}
local function getValue(t, key)
local _, _, res = string.find(t, key .. " *= *([^%c]+)%c")
return res
end
local function find_icon(icon_name)
if string.sub(icon_name, 1, 1) == '/' then
if util.file_readable(icon_name) then
return icon_name
else
return nil
end
end
if launchbar.icon_dirs then
for _, v in ipairs(launchbar.icon_dirs) do
if util.file_readable(v .. "/" .. icon_name) then
return v .. '/' .. icon_name
end
end
end
return nil
end
function launchbar.new(filedir)
if not filedir then
error("Launchbar: filedir was not specified")
end
local items = {}
local widget = layout.fixed.horizontal()
local files = io.popen("ls " .. filedir .. "*.desktop")
for f in files:lines() do
local t = io.open(f):read("*all")
table.insert(items, { image = find_icon(getValue(t,"Icon")),
callback = function ()
naughty.notify({
title = "Starting " .. getValue(t, "Name"),
text = ""
})
spawn(getValue(t,"Exec"))
end,
position = tonumber(getValue(t,"Position")) or 255 })
end
table.sort(items, function(a,b) return a.position < b.position end)
for _, v in ipairs(items) do
if v.image then
widget:add(launcher(v))
end
end
return widget
end
return setmetatable(launchbar, { __call = function(_, ...) return launchbar.new(...) end })