hammerspoon for tmux prefix

gistfile1.txt

local apps = {"iTerm2", "Terminal"}

local hyper = {"cmd", "alt", "ctrl", "shift"}

local hotkey = hs.hotkey.new({'ctrl'}, 'tab', function() hs.eventtap.keyStroke({'ctrl'}, 'z') end)
local hotkeys = {
	hs.hotkey.new({'ctrl'}, 'tab', function() hs.eventtap.keyStroke({'ctrl'}, 'z') end),
	hs.hotkey.new(hyper, 'f', function() hs.eventtap.keyStroke({'ctrl'}, 'z') end),
	hs.hotkey.new({'cmd'}, 's', function() hs.eventtap.keyStroke({'ctrl'}, 'z') end),
}

local enable_hotkey_matching_for_app = function(app_names, hotkeys)
	app_names = type(app_names) =="table" and app_names or {app_names}
	local filter = hs.window.filter.new(app_names)
	filter:subscribe(hs.window.filter.windowFocused, function()
		for i,hk in ipairs(hotkeys) do
			hk:enable()
		end
	end)
	filter:subscribe(hs.window.filter.windowUnfocused, function()
		for i,hk in ipairs(hotkeys) do
	  		hk:disable()
		end
	end)
  end
  
enable_hotkey_matching_for_app(apps, hotkey)