init.lua

require "window_management"
require "sleep_management"

hs.loadSpoon("SpoonInstall")
spoon.SpoonInstall:andUse("CircleClock")

-- spoon.SpoonInstall:andUse("ClipboardTool",
--                {
--                  config = { show_in_menubar = false, },
--                  hotkeys = { toggle_clipboard = { { "cmd", "shift" }, "v" } },
--                  start = true,
--                }
-- )

-- spoon.SpoonInstall:andUse("MicMute")

m = {[[Hammer time!
]]}
c = {}

function registerCommand(menuText, command, funcz)
	m[#m+1] = menuText
	c[#c+1] = {command, funcz}
end

registerCommand("← left 50%", "Left", left)
registerCommand("→ right 50%", "Right", right)
registerCommand("z left 33% ", "z", leftThirty)
registerCommand("a left 66% ", "a", leftSixty)
registerCommand("s center 33%", "s", centerThirty)
registerCommand("x right 33% ", "x", rightThirty)
registerCommand("d right 66% ", "d", rightSixty)
registerCommand("↑ top 50%", "Up", up)
registerCommand("↓ down 50%", "Down", down)
registerCommand("/ maximize", "/", max)
registerCommand("w writing", "w", writing)
registerCommand("c center", "c", center)
registerCommand("b book screenshot", "b", book)

myModal = hs.hotkey.modal.new({"ctrl", "alt", "cmd"}, "M", table.concat(m, "\n"))

for k, v in pairs(c) do
  myModal:bind("", v[1], v[2])
end

sleep_management.lua

caffeine = hs.menubar.new()
function setCaffeineDisplay(state)
    if state then
        caffeine:setTitle("A")
    else
        caffeine:setTitle("S")
    end
end

function caffeineClicked()
    setCaffeineDisplay(hs.caffeinate.toggle("displayIdle"))
end

if caffeine then
    caffeine:setClickCallback(caffeineClicked)
    setCaffeineDisplay(hs.caffeinate.get("displayIdle"))
end

window_management.lua

function positionWindow (win, widthFrac, heightFrac, left, top)
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + (max.w * left)
    f.y = max.y + (max.h * top)
    f.w = max.w * widthFrac
    f.h = max.h * heightFrac
    win:setFrame(f)
    myModal:exit()
end

function left ()
  positionWindow(hs.window.focusedWindow(), 1/2, 1, 0, 0)
end

function right ()
  positionWindow(hs.window.focusedWindow(), 1/2, 1, 1/2, 0)
end

function leftThirty ()
  positionWindow(hs.window.focusedWindow(), 1/3, 1, 0/3, 0)
end

function leftSixty ()
  positionWindow(hs.window.focusedWindow(), 2/3, 1, 0/3, 0)
end

function centerThirty ()
  positionWindow(hs.window.focusedWindow(), 1/3, 1, 1/3, 0)
end

function rightThirty ()
  positionWindow(hs.window.focusedWindow(), 1/3, 1, 2/3, 0)
end

function rightSixty ()
  positionWindow(hs.window.focusedWindow(), 2/3, 1, 1/3, 0)
end

function up ()
    positionWindow(hs.window.focusedWindow(), 1, 1/2, 0, 0)
end

function down ()
    positionWindow(hs.window.focusedWindow(), 1, 1/2, 0, 1/2)
end

function max ()
    positionWindow(hs.window.focusedWindow(), 1, 1, 0, 0)
end

function writing ()
    positionWindow(hs.window.focusedWindow(), 1/2, 1, 1/4, 0)
end

function center ()
  positionWindow(hs.window.focusedWindow(), 3/4, 3/4, 1/8, 1/8)
end

function book ()
    local f = hs.window.focusedWindow():frame()
    local screen = hs.window.focusedWindow():screen()
    local max = screen:frame()

    f.x = 50
    f.y = 50
    f.w = 700
    f.h = 420
    hs.window.focusedWindow():setFrame(f)
    myModal:exit()
end

hs.window.animationDuration = 0.02