Hammerspoon Config File

init.lua

------------------------
--  Hammerspoon Init  --
------------------------

-- Global Variables
gutter = 20
editor = "Atom"

-- Welcome Messages
hs.hotkey.bind({"cmd", "ctrl"}, "W", function()
    hs.alert.show("hello world")
end)

hs.hotkey.bind({"cmd", "ctrl", "shift"}, "W", function()
    hs.notify.new({title="Hammerspoon", informativeText="Hello World"}):send():release()
end)

---------------------
--  Window Sizing  --
---------------------

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

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

-- Left Half
hs.hotkey.bind({"ctrl"}, "H", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + gutter
    f.y = max.y + gutter
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = max.h - (gutter * 2)
    win:setFrame(f)
end)

-- Right Half
hs.hotkey.bind({"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) + (gutter / 2)
    f.y = max.y + gutter
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = max.h - (gutter * 2)
    win:setFrame(f)
end)

-- Top Half
hs.hotkey.bind({"ctrl"}, "K", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + gutter
    f.y = max.y + gutter
    f.w = max.w - (gutter * 2)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Bottom Half
hs.hotkey.bind({"ctrl"}, "J", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + gutter
    f.y = (max.h / 2) + (gutter * 2)
    f.w = max.w - (gutter * 2)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Top Left Quarter
hs.hotkey.bind({"ctrl"}, "Y", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + gutter
    f.y = max.y + gutter
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Top Right Quarter
hs.hotkey.bind({"ctrl"}, "U", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = (max.w / 2) + (gutter / 2)
    f.y = max.y + gutter
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Bottom Left Quarter
hs.hotkey.bind({"ctrl"}, "B", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = max.x + gutter
    f.y = (max.h / 2) + (gutter * 2)
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Bottom Right Quarter
hs.hotkey.bind({"ctrl"}, "N", function()
    local win = hs.window.focusedWindow()
    local f = win:frame()
    local screen = win:screen()
    local max = screen:frame()

    f.x = (max.w / 2) + (gutter / 2)
    f.y = (max.h / 2) + (gutter * 2)
    f.w = (max.w / 2) - (gutter * 1.5)
    f.h = (max.h / 2) - (gutter * 1.5)
    win:setFrame(f)
end)

-- Window Movement
hs.hotkey.bind({"cmd", "ctrl"}, "Y", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x - gutter
  f.y = f.y - gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "K", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.y = f.y - gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "U", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x + gutter
  f.y = f.y - gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "H", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x - gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "L", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x + gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "B", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x - gutter
  f.y = f.y + gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "J", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.y = f.y + gutter
  win:setFrame(f)
end)

hs.hotkey.bind({"cmd", "ctrl"}, "N", function()
  local win = hs.window.focusedWindow()
  local f = win:frame()

  f.x = f.x + gutter
  f.y = f.y + gutter
  win:setFrame(f)
end)

-- Config Reload
function reloadConfig(files)
    doReload = false
    for _,file in pairs(files) do
        if file:sub(-4) == ".lua" then
            doReload = true
        end
    end
    if doReload then
        hs.reload()
    end
end
hs.pathwatcher.new(os.getenv("HOME") .. "/.hammerspoon/", reloadConfig):start()
hs.alert.show("Config Reloaded")

--------------------------------
--  Here be some nonsense...  --
--------------------------------

-- Find The Cursor
local mouseCircle = nil
local mouseCircleTimer = nil

function mouseHighlight()
    -- Delete an existing highlight if it exists
    if mouseCircle then
        mouseCircle:delete()
        if mouseCircleTimer then
            mouseCircleTimer:stop()
        end
    end
    -- Get the current co-ordinates of the mouse pointer
    mousepoint = hs.mouse.get()
    -- Prepare a big red circle around the mouse pointer
    mouseCircle = hs.drawing.circle(hs.geometry.rect(mousepoint.x-50, mousepoint.y-50, 100, 100))
    mouseCircle:setStrokeColor({["red"]=0.85,["blue"]=0.2,["green"]=0.1,["alpha"]=0.9})
    mouseCircle:setFill(false)
    mouseCircle:setStrokeWidth(8)
    mouseCircle:show()

    -- Set a timer to delete the circle after 3 seconds
    mouseCircleTimer = hs.timer.doAfter(3, function() mouseCircle:delete() end)
end
hs.hotkey.bind({"cmd","alt","shift"}, "D", mouseHighlight)