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dotfiles/awesome/widgets/volume2.lua

51 lines
1.4 KiB
Lua

local wibox = require("wibox")
local awful = require("awful")
volume_widget = wibox.widget.textbox()
volume_widget:set_align("right")
function raise_volume()
os.execute("amixer sset Master 1%+")
end
function lower_volume ()
os.execute("amixer sset Master 1%-")
end
function toggle_volume ()
os.execute("amixer sset Master toggle")
end
function update_volume(widget)
local fd = io.popen("amixer sget Master")
local status = fd:read("*all")
fd:close()
local volume = tonumber(string.match(status, "(%d?%d?%d)%%"))
-- volume = string.format("% 3d", volume)
status = string.match(status, "%[(o[^%]]*)%]")
-- starting colour
local sr, sg, sb = 0x3F, 0x3F, 0x3F
-- ending colour
local er, eg, eb = 0xDC, 0xDC, 0xCC
local ir = math.floor(volume/100 * (er - sr) + sr)
local ig = math.floor(volume/100 * (eg - sg) + sg)
local ib = math.floor(volume/100 * (eb - sb) + sb)
interpol_colour = string.format("%.2x%.2x%.2x", sr, ig, sb)
if string.find(status, "on", 1, true) then
volume = " <span color='blue' background='#" .. interpol_colour .. "'> ".. math.floor(volume) .. "% </span>"
else
volume = " <span color='red' background='#" .. interpol_colour .. "'> M(".. math.floor(volume) .."%) </span>"
end
widget:set_markup(volume)
end
-- start updating
update_volume(volume_widget)
mytimer = timer({ timeout = 1 })
mytimer:connect_signal("timeout", function () update_volume(volume_widget) end)
mytimer:start()