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Display backlight changing only between 1% and 100%

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don philipe
2023-01-28 20:45:20 +01:00
parent 62626ade53
commit 511f680473
1 changed files with 7 additions and 7 deletions
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14
displaybacklight.lua
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@@ -21,18 +21,18 @@ local widget = wibox.widget {
}
local function change_brightness(amount)
if (amount < 0) then
awful.util.spawn("xbacklight -dec " .. math.abs(amount))
else
awful.util.spawn("xbacklight -inc " .. math.abs(amount))
end
local f = io.popen("xbacklight -get")
local bright = 0
for line in f:lines() do
bright = line
end
-- add changed amount as the current value is not yet changed when calling io.popen
return tonumber(bright) + amount
final_brightness = tonumber(bright) + amount
if final_brightness < 1 then
final_brightness = 1
end
awful.util.spawn("xbacklight -set " .. final_brightness)
return final_brightness
end
-- Widget functions that are available from the outside.