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77 lines
2.2 KiB
Lua
77 lines
2.2 KiB
Lua
-- Volume widget
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local awful = require("awful")
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local wibox = require("wibox")
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volumecfg = {}
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volumecfg.channel = "Master"
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volumecfg.widget = wibox.widget.textbox()
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volumecfg.widget:set_align("right")
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volumecfg.widget.name = 'volumecfg.widget'
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volumecfg_t = awful.tooltip({ objects = { volumecfg.widget },})
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volumecfg_t:set_text("Volume")
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-- command must start with a space!
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volumecfg.mixercommand = function (command)
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local fd = io.popen("amixer " .. command)
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local status = fd:read("*all")
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fd:close()
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local volume = tonumber(string.match(status, "(%d?%d?%d)%%"))
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-- volume = string.format("% 3d", volume)
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status = string.match(status, "%[(o[^%]]*)%]")
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-- starting colour
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local sr, sg, sb = 0x3F, 0x3F, 0x3F
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-- ending colour
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local er, eg, eb = 0xDC, 0xDC, 0xCC
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if string.find(status, "on", 1, true) then
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color = 'grey'
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mute = '♪'
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else
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sr, sg, sb = 0xFF, 0x33, 0xAA
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color = 'red'
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mute = 'M'
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end
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local ir = math.floor(volume/100 * (er - sr) + sr)
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local ig = math.floor(volume/100 * (eg - sg) + sg)
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local ib = math.floor(volume/100 * (eb - sb) + sb)
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interpol_colour = string.format("%.2x%.2x%.2x", sr, ig, sb)
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volume = " <span color='" .. color .. "' background='#" .. interpol_colour .. "'> ".. mute .. math.floor(volume) .. "% </span>"
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-- volume = volume .. "%"
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volumecfg.widget.text = volume
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volumecfg.widget:set_markup(volume)
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end
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volumecfg.update = function ()
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volumecfg.mixercommand(" sget " .. volumecfg.channel)
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end
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volumecfg.up = function ()
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volumecfg.mixercommand(" sset " .. volumecfg.channel .. " 1%+")
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end
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volumecfg.down = function ()
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volumecfg.mixercommand(" sset " .. volumecfg.channel .. " 1%-")
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end
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volumecfg.toggle = function ()
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volumecfg.mixercommand(" sset " .. volumecfg.channel .. " toggle")
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end
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volumecfg.widget:buttons(awful.util.table.join(
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awful.button({ }, 4, function () volumecfg.up() end),
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awful.button({ }, 5, function () volumecfg.down() end),
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awful.button({ }, 1, function () volumecfg.toggle() end),
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awful.button({ }, 3, function () os.execute("pavucontrol &") end)
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))
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-- start updating
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volumecfg.update()
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-- start timer
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mytimer = timer({ timeout = 1 })
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mytimer:connect_signal("timeout", function () volumecfg.update() end)
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mytimer:start()
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return volumecfg
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