Logitech Gaming Software F-key binding script

defaultprofile.lua

--[[
	This allows you to bind any function-number key (F1-F24) to a "G" button on your mouse.
	To add a binding, insert a new element in the bindings table below and save this script.
	Script by tgp1994 (https://github.com/tgp1994)
]]

local bindings = {
	G7 = "F13",
	G8 = "F14"
}

local function bind_mouseDown(arg)
	for k,v in pairs(bindings) do
		if k == arg then
			local bindGroup = string.sub(v, 1, 1)
			if bindGroup == "F" then
				local fKey = string.sub(v, 2)
				--OutputLogMessage("Pressing button F%s.\n", fKey)
				PressKey(88 + fKey)
			else
				OutputLogMessage("Mouse button '%s' has an unrecognized binding '%s'.\n", k, v)
			end
		end
	end
end

local function bind_mouseUp(arg)
	for k,v in pairs(bindings) do
		if k == arg then
			local bindGroup = string.sub(v, 1, 1)
			if bindGroup == "F" then
				--OutputLogMessage("Key up.\n")
				local fKey = string.sub(v, 2)
				ReleaseKey(88 + fKey)
			end
		end
	end
end

function OnEvent(event, arg)
	--OutputLogMessage("event = %s, arg = %s\n", event, arg)
	if event == "MOUSE_BUTTON_PRESSED" then
		bind_mouseDown("G"..arg)
	elseif event == "MOUSE_BUTTON_RELEASED" then
		bind_mouseUp("G"..arg)
	end
end

Hey tgp1994, that script should use (87 + fKey) instead of (88 + fKey), otherwise the Fkey returned is one too high. It'd only be a problem if someone tries to use F23, but then it would be a problem.

Also, while you'd expect F24's value to just be one more than F23's 110, F24 won't work with this script as it's value is actually 118, so that's also a no go.

Actually taking a look back at the lua scripting ref, it looks like either I didn't understand it back when I came up with the idea, or logitech's updated their code, so it directly accepts fKeys as a Presskey arg. You could replace
local fKey = string.sub(v, 2)
--OutputLogMessage("Pressing button F%s.\n", fKey)
PressKey(88 + fKey)

with just PressKey(v) and it'll work.