Hammerspoon - kitty terminal + dropdown visor (Guake)

init.lua

hs.hotkey.bind({}, "F15", function()
  local app = hs.application.get("kitty")

  if app then
      if not app:mainWindow() then
          app:selectMenuItem({"kitty", "New OS window"})
      elseif app:isFrontmost() then
          app:hide()
      else
          app:activate()
      end
  else
      hs.application.launchOrFocus("kitty")
      app = hs.application.get("kitty")
  end

  app:mainWindow():moveToUnit'[100,50,0,0]'
  app:mainWindow().setShadows(false)
end)

Hi,

"setShadows()" gives error

hs.hotkey callback: /Users/onur/.hammerspoon/init.lua:18: method 'setShadows' is not callable (a nil value)
stack traceback:
	/Users/onur/.hammerspoon/init.lua:18: in function </Users/onur/.hammerspoon/init.lua:1>

on MacOS Big Sur 11.2.3 & Hammerspoon 0.9.90 (6030).

Also, "Enable Accessibility" should be enabled from Hammerspoon > Preferences. (for once if not enabled, or installed recently) Otherwise script is not working as expected. 😉

Yes, it is expected to enable accessibility, or else hammerspoon does not have permissions to specific APIs.

As for setShadows, it is stated that it is fragile.

This function uses a private, undocumented OS X API call, so it is not guaranteed to work in any future OS X release

http://man.hubwiz.com/docset/Hammerspoon.docset/Contents/Resources/Documents/hs.window.html#setShadows

Line 6 doesn't work anymore with Kitty 0.26.4. It now should be

app:selectMenuItem({"Shell", "New OS Window"})

Also I noticed that the positioning of the window doesn't work reliably on first start of Kitty. Here's my modified version of the script.

local app = hs.application.get("kitty")
local didHide = false

if app then
    if not app:mainWindow() then
        app:selectMenuItem({"Shell", "New OS Window"})
    elseif app:isFrontmost() then
        app:hide()
        didHide = true
    else
        app:activate()
    end
else
    hs.application.launchOrFocus("kitty")
    app = hs.application.get("kitty")
end

if not didHide then
  hs.timer.waitUntil(
    function() return app:isFrontmost() end,
    function() app:mainWindow():moveToUnit('[0,0,100,50]', 0) end
  )
end