Hammerspoon Window Management

gistfile1.txt

hs.hotkey.bind({"cmd", "ctrl"}, "H", 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", "ctrl"}, "L", 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({"cmd", "ctrl"}, "K", 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", "ctrl"}, "J", function()
  -- get the focused window
  local win = hs.window.focusedWindow()
  -- get the screen where the focused window is displayed, a.k.a. current screen
  local screen = win:screen()
  -- compute the unitRect of the focused window relative to the current screen
  -- and move the window to the next screen setting the same unitRect 
  win:move(win:frame():toUnitRect(screen:frame()), screen:next(), true, 0)
end)