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51 lines
1.4 KiB
Lua
51 lines
1.4 KiB
Lua
local wibox = require("wibox")
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local awful = require("awful")
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volume_widget = wibox.widget.textbox()
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volume_widget:set_align("right")
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function raise_volume()
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os.execute("amixer sset Master 1%+")
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end
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function lower_volume ()
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os.execute("amixer sset Master 1%-")
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end
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function toggle_volume ()
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os.execute("amixer sset Master toggle")
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end
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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)%%"))
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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 = 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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if string.find(status, "on", 1, true) then
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volume = " <span color='blue' background='#" .. interpol_colour .. "'> ".. math.floor(volume) .. "% </span>"
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else
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volume = " <span color='red' background='#" .. interpol_colour .. "'> M(".. math.floor(volume) .."%) </span>"
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end
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widget:set_markup(volume)
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end
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-- start updating
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update_volume(volume_widget)
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mytimer = timer({ timeout = 1 })
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mytimer:connect_signal("timeout", function () update_volume(volume_widget) end)
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mytimer:start()
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