Add hammerspoon. Almost usable now...

wm/hammerspoon/ctrlDoubleTap.lua

@@ -0,0 +1,70 @@
+local timer = require("hs.timer")
+local eventtap = require("hs.eventtap")
+
+local events = eventtap.event.types
+
+local module = {}
+
+module.timeFrame = 1
+
+module.action = function()
+  hs.alert("You double tapped ctrl!")
+end
+
+local timeFirstControl = 0
+local firstDown = false
+local secondDown = false
+
+local noFlags = function(ev)
+  local result = true
+  for k,v in pairs(ev:getFlags()) do
+    if v then
+      result = false
+      break
+    end
+  end
+  return result
+end
+
+local onlyCtrl = function(ev)
+  local result = ev:getFlags().ctrl
+  for k,v in pairs(ev:getFlags()) do
+    if k ~= "ctrl" and v then
+      result = false
+      break
+    end
+  end
+  return result
+end
+
+local reset = function()
+  timeFirstControl = 0
+  firstDown = false
+  secondDown = false
+end
+
+module.eventWatcher = eventtap.new({events.flagsChanged, events.keyDown}, function(ev)
+  if(timer.secondsSinceEpoch() - timeFirstControl) > module.timeFrame then
+    reset()
+  end
+
+  if ev:getType() == events.flagsChanged then
+    if noFlags(ev) and firstDown and secondDown then
+      if module.action then module.action() end
+      reset()
+    elseif onlyCtrl(ev) and not firstDown then
+      firstDown = true
+      timeFirstControl = timer.secondsSinceEpoch()
+    elseif onlyCtrl(ev) and firstDown then
+      secondDown = true
+    elseif not noFlags(ev) then
+      reset()
+    end
+  else
+    reset()
+  end
+  return false
+end):start()
+
+return module
+

wm/hammerspoon/escapeControlDouble.lua

@@ -0,0 +1,54 @@
+local eventtap = require("hs.eventtap")
+local keycodes = require("hs.keycodes")
+keycodes = keycodes.map
+local events = eventtap.event.types
+
+local module = {}
+
+local escPressed = false
+local otherPressed = false
+local recursion = false
+
+module.addModifier = function(ev)
+  ev:setFlags({['cmd'] = true})
+  return ev
+end
+
+module.eventWatcher = eventtap.new({events.keyDown, events.keyUp}, function(ev)
+  if recursion then
+    recursion = false
+    return false
+  end
+  if ev:getKeyCode() == keycodes['escape'] then
+    if ev:getType() == events.keyDown then
+      if not escPressed then
+         --hs.alert("esc down")
+        escPressed = true
+        otherPressed = false
+        return true
+      end
+    else
+       --hs.alert("esc up")
+      escPressed = false
+      if not otherPressed then
+         --hs.alert("escape")
+        ev = eventtap.event.newKeyEvent({}, 'escape', true)
+        recursion = true
+        ev:post()
+      else
+        --escPressed = false
+      end
+      return true
+    end
+  elseif escPressed and ev:getType() == events.keyDown then
+    otherPressed = true
+    ev = module.addModifier(ev)
+    recursion = true
+    ev:post()
+    return true
+  end
+  return false
+end):start()
+
+return module
+

wm/hammerspoon/init.lua

@@ -0,0 +1,30 @@
+local super = {"cmd", "alt", "ctrl"}
+hs.hotkey.bind(super, "W", function()
+  --hs.notify.new({title="Hammerspoon", informativeText="Hello World"}):send()
+  hs.alert.show("Reloading...")
+  hs.reload()
+end)
+hs.hotkey.bind(super, "R", function()
+  hs.reload()
+end)
+
+--ctrlDoubleTap = require("ctrlDoubleTap")
+--ctrlDoubleTap.timeFrame = 0.3
+--ctrlDoubleTap.action = function() 
+  --hs.eventtap.keyStroke({}, "f19")
+--end
+
+escCtrlDouble = require("escapeControlDouble")
+escCtrlDouble.addModifier = function(ev)
+  app = hs.application.frontmostApplication()
+  if app:title() == "iTerm2" then
+    ev:setFlags({['ctrl'] = true})
+  elseif app:title() == "kitty" then
+    ev:setFlags({['ctrl'] = true})
+  else
+    ev:setFlags({['cmd'] = true})
+  end
+  return ev
+end
+
+hs.alert.show("Configuration reloaded")

wm/hammerspoon/setup.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+source ${DOTFILES}/helpers.sh
+
+function main()
+{
+  local scriptdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)"
+
+  print_info "Installing hammerspoon"
+
+  caskget hammerspoon
+
+  linkfile ${scriptdir} ${HOME}/.hammerspoon
+
+  print_ok "Hammerspoon installed"
+}
+
+main "$@"

wm/setup.sh

@@ -25,6 +25,8 @@ function main()
   print_info "Installing logitech drivers"
   caskget caskroom/drivers/logitech-options
   print_ok "Logitech drivers installed"
+
+  ${scriptdir}/hammerspoon/setup.sh
 }
 
 main "$@"