init.lua

-- A global variable for the Hyper Mode
k = hs.hotkey.modal.new({}, "F17")

-- Trigger existing hyper key shortcuts

-- k:bind({}, 'm', nil, function() hs.eventtap.keyStroke({"cmd","alt","shift","ctrl"}, 'm') end)

-- OR build your own

launch = function(appname)
  hs.application.launchOrFocus(appname)
  k.triggered = true
end

-- Single keybinding for app launch
singleapps = {
  {'i', 'IntelliJ IDEA CE'},
  {'c', 'Visual Studio Code - Insiders'},
  {'m', 'Mail'},
  {'r', 'Slack'},
  {'t', 'Microsoft Edge Canary'},
  {';', 'iTerm'},
  -- {'s', 'Skype'},
  {'space', 'Sublime Text'}
}

for i, app in ipairs(singleapps) do
  k:bind({}, app[1], function() launch(app[2]); k:exit(); end)
end

-- Sequential keybindings, e.g. Hyper-a,f for Finder
a = hs.hotkey.modal.new({}, "F16")
apps = {
  -- {'d', 'Twitter'},
  {'f', 'Finder'},
  {'s', 'Skype'},
}
for i, app in ipairs(apps) do
  a:bind({}, app[1], function() launch(app[2]); a:exit(); end)
end

pressedA = function() a:enter() end
releasedA = function() end
k:bind({}, 'a', nil, pressedA, releasedA)

-- Window Management
hs.window.animationDuration = 0 -- disable animations
hs.grid.setMargins({0, 0})
hs.grid.setGrid('2x2')

local fullScreen = hs.geometry("0,0 2x2")
local leftHalf = hs.geometry("0,0 1x2")
local rightHalf = hs.geometry("1,0 1x2")
local topHalf = hs.geometry("0,0 2x1")
local bottomHalf = hs.geometry("0,1 2x1")
local upperLeft = hs.geometry("0,0 1x1")
local lowerLeft = hs.geometry("0,1 1x1")
local upperRight = hs.geometry("1,0 1x1")
local lowerRight = hs.geometry("1,1 1x1")

k:bind({}, "return", function() hs.grid.set(hs.window.focusedWindow(), fullScreen); k:exit(); end)
k:bind({}, "up", function() hs.grid.set(hs.window.focusedWindow(), topHalf); k:exit(); end)
k:bind({}, "down", function() hs.grid.set(hs.window.focusedWindow(), bottomHalf); k:exit(); end)
k:bind({}, "left", function() hs.grid.set(hs.window.focusedWindow(), leftHalf); k:exit(); end)
k:bind({}, "right", function() hs.grid.set(hs.window.focusedWindow(), rightHalf); k:exit(); end)

-- Shortcut to reload config

ofun = function()
  hs.reload()
  hs.alert.show("Config loaded")
  k.triggered = true
end
k:bind({}, 'o', nil, ofun)

-- Enter Hyper Mode when F18 (Hyper/Capslock) is pressed
pressedF18 = function()
  k.triggered = false
  k:enter()
end

-- Leave Hyper Mode when F18 (Hyper/Capslock) is pressed,
--   send ESCAPE if no other keys are pressed.
releasedF18 = function()
  k:exit()
  if not k.triggered then
    hs.eventtap.keyStroke({}, 'ESCAPE')
  end
end

-- Bind the Hyper key
f18 = hs.hotkey.bind({}, 'F18', pressedF18, releasedF18)