Hammerspoon config examples for hyper key

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 = {
  {'q', 'MailMate'},
  {'w', 'OmniFocus'},
  {'e', 'Sublime Text'},
  {'r', 'Google Chrome'}
}

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)

-- 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)


-- Cursor locator

local mouseCircle = nil
local mouseCircleTimer = nil

function mouseHighlight()
  size = 150
    -- Delete an existing highlight if it exists
    if mouseCircle then
        mouseCircle:delete()
        mouseCircle2:delete()
        if mouseCircleTimer then
            mouseCircleTimer:stop()
        end
    end
    -- Get the current co-ordinates of the mouse pointer
    mousepoint = hs.mouse.getAbsolutePosition()
    -- Prepare a big red circle around the mouse pointer
    mouseCircle = hs.drawing.circle(hs.geometry.rect(mousepoint.x-(size/2), mousepoint.y-(size/2), size, size))
    mouseCircle2 = hs.drawing.circle(hs.geometry.rect(mousepoint.x-(size/4), mousepoint.y-(size/4), size/2, size/2))
    mouseCircle:setStrokeColor({["red"]=1,["blue"]=0,["green"]=0,["alpha"]=1})
    mouseCircle2:setStrokeColor({["red"]=1,["blue"]=0,["green"]=0,["alpha"]=1})
    mouseCircle:setFill(false)
    mouseCircle2:setFill(false)
    mouseCircle:setStrokeWidth(3)
    mouseCircle2:setStrokeWidth(5)
    mouseCircle:show()
    mouseCircle2:show()

    -- Set a timer to delete the circle after 3 seconds
    mouseCircleTimer = hs.timer.doAfter(1, function() mouseCircle:delete() mouseCircle2:delete() end)
end
hs.hotkey.bind({"cmd","alt","shift"}, "D", mouseHighlight)

-- HYPER+L: Open news.google.com in the default browser
-- lfun = function()
--   news = "app = Application.currentApplication(); app.includeStandardAdditions = true; app.doShellScript('open http://news.google.com')"
--   hs.osascript.javascript(news)
--   k.triggered = true
-- end
-- k:bind('', 'l', nil, lfun)