hs: fix iterm/tmux keybinds

hammerspoon/apps/iterm.lua

@@ -1,13 +1,16 @@
 
 local tmux_prefix = {{'ctrl'}, 'c'}
 
+-- Helpers
 local function isTmuxWindow()
-  return function ()
-    hs.window.focusedWindow():title():find("tmux")
+  local win = hs.window.focusedWindow()
+  if win then
+    return win:title():find("tmux")
   end
+  return false
 end
 
-local function tmuxpresskey(mod, key)
+local function tmuxPressKey(mod, key)
   if isTmuxWindow() then
     hs.eventtap.keyStroke({'ctrl'}, 'c')
     hs.eventtap.keyStroke(mod, key)
@@ -30,17 +33,29 @@ App.new("iTerm2")
          end)
        end
 
-       -- new window
+       -- new tmux window
        self.bind({'cmd'}, 'n', function()
-         if not tmuxpresskey({}, 'c') then
-           app:selectMenuItem({"Shell", "New Window"})
+         if not tmuxPressKey({}, 'c') then
+           App.find("iTerm2"):selectMenuItem({"Shell", "New Window"})
          end
        end)
 
+       -- new window
+       self.bind({'cmd', 'shift'}, 'n', function()
+         App.find("iTerm2"):selectMenuItem({"Shell", "New Window"})
+       end)
+
        -- close pane/window
        self.bind({'cmd'}, 'w', function()
-         if not tmuxpresskey({}, 'x') then
-           app:selectMenuItem({"Shell", "Close"})
+         if not tmuxPressKey({}, 'x') then
+           App.find("iTerm2"):selectMenuItem({"Shell", "Close"})
+         end
+       end)
+
+       -- detach tmux before quitting iterm
+       self.bind({'cmd'}, 'q', function()
+         if not tmuxPressKey({}, 'd') then
+           App.find("iTerm2"):kill()
          end
        end)
      end)