33 lines
1.2 KiB
Lua
33 lines
1.2 KiB
Lua
volume_widget = widget({ type = "textbox", name = "tb_volume",
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align = "right" })
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function update_volume(widget)
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local fd = io.popen("amixer sget Master")
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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)%%")) / 100
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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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local ir = volume * (er - sr) + sr
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local ig = volume * (eg - sg) + sg
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local ib = volume * (eb - sb) + sb
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interpol_colour = string.format("%.2x%.2x%.2x", ir, ig, ib)
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if string.find(status, "on", 1, true) then
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volume = " <span background='#" .. interpol_colour .. "'> </span>"
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else
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volume = " <span color='red' background='#" .. interpol_colour .. "'> M </span>"
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end
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widget.text = volume
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end
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update_volume(volume_widget)
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awful.hooks.timer.register(1, function () update_volume(volume_widget) end)
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