init.lua

-- Modules
-- --------------------------------------------------------------------------------
local application = require "mjolnir.application"
local window      = require "mjolnir.window"
local hotkey      = require "mjolnir.hotkey"
local fnutils     = require "mjolnir.fnutils"
local alert       = require "mjolnir.alert"
local grid        = require "mjolnir.sd.grid"

-- Grid Setup
-- --------------------------------------------------------------------------------
grid.GRIDWIDTH = 2

-- Keybinding Modifiers
-- --------------------------------------------------------------------------------
local kb     = {"cmd", "alt", "ctrl"}
local kb_alt = {"cmd", "alt", "shift"}
local kb_mod = {"cmd", "ctrl"}

-- Window Management Functions
-- --------------------------------------------------------------------------------
-- Current window in focus
local function this_win()
  return window.focusedwindow()
end

-- Move window by n @ x/y
local function wm_move(win, x, y)
  local f = win:frame()

  f.x = f.x + x
  f.y = f.y + y

  win:setframe(f)
end

-- Resize window by n @ w/h
local function wm_resize(win, w, h)
  local f = win:frame()

  f.w = f.w + w
  f.h = f.h + h

  win:setframe(f)
end

-- Keybindings
-- --------------------------------------------------------------------------------
-- Placement
-- --------------------------------------------------------------------------------
hotkey.bind(kb, 'down', grid.pushwindow_down)
hotkey.bind(kb, 'up',   grid.pushwindow_up)

hotkey.bind(kb, 'left', function()
  grid.resizewindow_thinner()
  grid.pushwindow_left()
end)

hotkey.bind(kb, 'right', function()
  grid.resizewindow_thinner()
  grid.pushwindow_right()
end)

-- Sizing
-- --------------------------------------------------------------------------------
hotkey.bind(kb, 'm', grid.maximize_window)
hotkey.bind(kb, ',', grid.resizewindow_taller)
hotkey.bind(kb, '.', grid.resizewindow_wider)
hotkey.bind(kb, '/', grid.resizewindow_thinner)

-- Shrink/Grow width by 10
hotkey.bind(kb_alt, 'left',  function() wm_resize(this_win(), -10, 0) end)
hotkey.bind(kb_alt, 'right', function() wm_resize(this_win(), 10,  0) end)

-- Grid
-- --------------------------------------------------------------------------------
hotkey.bind(kb, '=', function() grid.adjustwidth( 1) end)
hotkey.bind(kb, '-', function() grid.adjustwidth(-1) end)
hotkey.bind(kb, ';', function() grid.snap(window.focusedwindow()) end)

-- Desktops
-- --------------------------------------------------------------------------------
hotkey.bind(kb_mod, 'left',  grid.pushwindow_prevscreen)
hotkey.bind(kb_mod, 'right', grid.pushwindow_nextscreen)