display.lua

local display = {}

function display.setInternalBrightness(brightness)
    local _brightness = brightness / 100
    for _, display in pairs(hs.screen.allScreens()) do
        if display:name() == "Built-in Retina Display" then
            _log("Setting " .. display:name() .. " brightness to " .. brightness)
            display:setBrightness(_brightness)
        end
    end
end

function display.setAllBrightness(brightness)
    local _brightness = brightness / 100
    for _, display in pairs(hs.screen.allScreens()) do
        if display:name() == "Built-in Retina Display" then
            _log("Setting " .. display:name() .. " brightness to " .. brightness)
            display:setBrightness(_brightness)
        else
            _log("Setting " .. display:name() .. " brightness to " .. brightness)
            -- Use ddcctl to set the brightness of all external displays
            run.cmd(string.format("%s/bin/m1ddc", Homedir), {"set", "luminance", tostring(brightness)})
        end
    end
end

function display.init()
    local initStart = os.clock()

    _log(debug.getinfo(1, "S").short_src:gsub(".*/", "") .. " loaded in " .. (os.clock() - initStart) .. " seconds.")
end

return display