Hammerspoon configuration for window management

init.lua

hs.hotkey.bind({"cmd", "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)

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "Up", 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)

hs.hotkey.bind({"cmd", "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)

hs.hotkey.bind({"shift", "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 / 1.5)
  f.y = max.y
  f.w = max.w / 3
  f.h = max.h
  win:setFrame(f)
end)

hs.hotkey.bind({"shift", "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 = 2 * max.w / 3
  f.h = max.h
  win:setFrame(f)
end)