My Hammerspoon window management configuration

init.lua

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "W", function()
      hs.alert.show(
         "Hello World!",
         {
            textFont= "Comic Sans MS",
            textSize=72,
            fadeOutDuration=1
         }
      )
end)

-- Magnet replacement bindings

hs.hotkey.bind({"ctrl", "alt"}, "left", function()
  -- size focused window to left half of display
  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({"ctrl", "alt"}, "a", function()
  -- size focused window to left third of display
  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 / 3
  f.h = max.h
  win:setFrame(f)
end)

hs.hotkey.bind({"ctrl", "alt"}, "s", function()
  -- size focused window to middle third of display
  local win = hs.window.focusedWindow()
  local f = win:frame()
  local screen = win:screen()
  local max = screen:frame()

  f.x = max.x + (max.w / 3)
  f.y = max.y
  f.w = max.w / 3
  f.h = max.h
  win:setFrame(f)
end)

hs.hotkey.bind({"ctrl", "alt"}, "d", function()
  -- size focused window to right third of display
  local win = hs.window.focusedWindow()
  local f = win:frame()
  local screen = win:screen()
  local max = screen:frame()

  f.x = max.x + (max.w / 3 * 2)
  f.y = max.y
  f.w = max.w / 3
  f.h = max.h
  win:setFrame(f)
end)

hs.hotkey.bind({"ctrl", "alt"}, "right", function()
  -- size focused window to right half of display
  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({"ctrl", "alt"}, "return", function()
  -- size focused window to size of desktop
  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({"ctrl", "alt"}, "up", function()
  -- size focused window to top half of display
  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 / 2
  win:setFrame(f)
end)

hs.hotkey.bind({"ctrl", "alt"}, "down", function()
  -- size focused window to bottom half of display
  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 + (max.h / 2)
  f.w = max.w
  f.h = max.h / 2
  win:setFrame(f)
end)



hs.hotkey.bind({"cmd", "alt", "ctrl"}, "F", function()
  -- toggle the focused window to full screen (workspace)
  local win = hs.window.focusedWindow()
  win:setFullScreen(not win:isFullScreen())
end)

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "right", function()
  -- move the focused window one display to the right
  local win = hs.window.focusedWindow()
  win:moveOneScreenEast()
end)

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "left", function()
  -- move the focused window one display to the left
  local win = hs.window.focusedWindow()
  win:moveOneScreenWest()
end)

hs.hotkey.bind({"cmd", "alt", "ctrl"}, "R", function()
      RoundedCorners = hs.loadSpoon('RoundedCorners')
      RoundedCorners.radius = 20
      RoundedCorners:start()
      hs.alert.show("Oooooooooh, so ROUND!")
end)

-- hs.loadSpoon('CircleClock')
-- hs.loadSpoon('Calendar')