awesomewm/modules/backlight/util.lua

59 lines
1.0 KiB
Lua
Executable File

local backlight = {}
backlight.get = function(callback)
awful.spawn.easy_async(
"xbacklight -get",
function(stdout, stderr, exitreason, exitcode)
callback(tonumber(stdout))
end
)
end
backlight.set = function(value)
awful.spawn("xbacklight -set " .. value, false)
end
backlight.watch = function(timeout, callback, widget)
awful.widget.watch(
"xbacklight -get",
timeout,
callback,
widget
)
end
backlight.backlight_up = function(value)
awful.spawn.easy_async(
"xbacklight -inc " .. value,
function(stdout, stderr, exitreason, exitcode)
awesome.emit_signal("module::backlight:update_read")
end
)
end
backlight.backlight_down = function(value)
awful.spawn.easy_async(
"xbacklight -dec " .. value,
function(stdout, stderr, exitreason, exitcode)
awesome.emit_signal("module::backlight:update_read")
end
)
end
awesome.connect_signal("module::backlight:update_read",
function()
backlight.get(
function(value)
awesome.emit_signal(
"module::backlight:update",
value
)
end
)
end
)
return backlight