Mjolnir configuration

init.lua

local hotkey = require "mjolnir.hotkey"
local window = require "mjolnir.window"
local screen = require "mjolnir.screen"

local modifier = {"cmd", "alt", "ctrl"}

-- left half
hotkey.bind(modifier, "left", function()
  local win = window.focusedwindow()
  local screenFrame = screen.mainscreen():frame()
  local frame = win:frame()
  frame.x = 0
  frame.y = 0
  frame.w = screenFrame.w / 2
  frame.h = screenFrame.h
  win:setframe(frame)
end)

-- right half
hotkey.bind(modifier, "right", function()
  local win = window.focusedwindow()
  local screenFrame = screen.mainscreen():frame()
  local frame = win:frame()
  frame.x = screenFrame.w / 2
  frame.y = 0
  frame.w = screenFrame.w / 2
  frame.h = screenFrame.h
  win:setframe(frame)
end)

-- center resize
hotkey.bind(modifier, "up", function()
  local win = window.focusedwindow()
  local screenFrame = screen.mainscreen():frame()
  local frame = win:frame()
  frame.w = screenFrame.w / 1.5
  frame.h = screenFrame.h / 1.5
  frame.x = screenFrame.w / 2 - frame.w / 2
  frame.y = screenFrame.h / 2 - frame.h / 2
  win:setframe(frame)
end)

-- center
hotkey.bind(modifier, "down", function()
  local win = window.focusedwindow()
  local screenFrame = screen.mainscreen():frame()
  local frame = win:frame()
  frame.x = screenFrame.w / 2 - frame.w / 2
  frame.y = screenFrame.h / 2 - frame.h / 2
  win:setframe(frame)
end)

-- full screen
hotkey.bind(modifier, "space", function()
  local win = window.focusedwindow()
  local screenFrame = screen.mainscreen():frame()
  win:setframe(screenFrame)
end)