Hammerspoon config

init.lua

-- Streaming
hs.hotkey.bind({"alt", "ctrl"}, "S", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x
    f.y = max.y
    f.w = 1920
    f.h = 1080
    win:setFrame(f)
end)

-- Fullscreen
hs.hotkey.bind({"alt", "ctrl"}, "F", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x
    f.y = max.y
    f.w = max.w
    f.h = max.h
    win:setFrame(f)
end)
-- Center
hs.hotkey.bind({"alt", "ctrl"}, "C", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()
    f.x = max.x + (max.w / 4)
    f.y = max.y
    f.w = max.w / 2
    f.h = max.h
    win:setFrame(f)
end)
-- Bottom
hs.hotkey.bind({"alt", "ctrl"}, "Down", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = 0
    f.y = max.y + (max.h / 2)
    f.w = max.w
    f.h = max.h / 2
    win:setFrame(f)
end)
-- Top
hs.hotkey.bind({"alt", "ctrl"}, "Up", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = 0
    f.y = 0
    f.w = max.w
    f.h = max.h / 2
    win:setFrame(f)
end)
-- Left 50% width
hs.hotkey.bind({"alt", "ctrl"}, "Left", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()
  local screen = win:screen()
  local max = screen:frame()

  f.x = max.x
  f.y = max.y
  f.w = max.w / 2
  f.h = max.h
  win:setFrame(f)
end)
-- left, upper corner
hs.hotkey.bind({"alt", "ctrl"}, "Q", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x / 2
    f.y = max.y / 2
    f.w = max.w / 2
    f.h = max.h / 2
    win:setFrame(f)
end)
-- Left lower corner
hs.hotkey.bind({"alt", "ctrl"}, "Z", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x / 2
    f.y = max.y + (max.h / 2)
    f.w = max.w / 2
    f.h = max.h / 2
    win:setFrame(f)
end)
-- Right 50% screen width
hs.hotkey.bind({"alt", "ctrl"}, "Right", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()
  local screen = win:screen()
  local max = screen:frame()

  f.x = max.x + (max.w / 2)
  f.y = max.y
  f.w = max.w / 2
  f.h = max.h
  win:setFrame(f)
end)
-- Right upper corner
hs.hotkey.bind({"alt", "ctrl"}, "P", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + (max.w / 2)
    f.y = max.y / 2
    f.w = max.w / 2
    f.h = max.h / 2
    win:setFrame(f)
end)
-- Right, lower corner
hs.hotkey.bind({"alt", "ctrl"}, "M", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + (max.w / 2)
    f.y = max.y + (max.h / 2)
    f.w = max.w / 2
    f.h = max.h / 2
    win:setFrame(f)
end)

-- Moving windows between screens
-- From: https://stackoverflow.com/a/58398311
function moveWindowToDisplay(d)
    return function()
        local displays = hs.screen.allScreens()
        local win = hs.window.focusedWindow()
        win:moveToScreen(displays[d], false, true)
    end
end

hs.hotkey.bind({"ctrl", "alt", "cmd"}, "1", moveWindowToDisplay(1))
hs.hotkey.bind({"ctrl", "alt", "cmd"}, "2", moveWindowToDisplay(2))
hs.hotkey.bind({"ctrl", "alt", "cmd"}, "3", moveWindowToDisplay(3))