Hyprland Lua: RuneLite Picture in Picture

hyprpip-runelite.lua

-- place this in ~/.config/hypr/custom/
-- source with require("custom.hyprpip-runelite")

-- Force this on workspace 1 and pin+float it, so it appears on that monitor
-- adjust workspace if you want it on a different monitor, or remove workspace to allow it on any monitor
hl.window_rule({
	name = "runelite-pip",
	match = {
		initial_title = "Picture in Picture",
		initial_class = "net-runelite-client-RuneLite",
	},
	workspace = "1 silent",
	no_initial_focus = true,
	suppress_event = "activate",
	suppress_event = "activatefocus",
	render_unfocused = true,
	float = true,
	pin = true,
})


-- left click on PiP window focuses the main client
-- change "Click Action" in plugin settings to "Do Nothing"
-- change bind if you want to use a different mouse button or key
local runelite_class = "net-runelite-client-RuneLite"
local runelite_pip_title = "Picture in Picture"
local bind = "mouse:272" -- left click

hl.on("window.active", function(w, active)
	if active ~= 1 or w.class ~= runelite_class or not w.title:match(runelite_pip_title) then
		hl.unbind(bind)
		return
	end
	hl.bind(bind, focus_main)
end)

function focus_main()
	local active = hl.get_active_window()
	if active == nil then
		return
	end

	local pid = active.pid
	local all_windows = hl.get_windows()

	for _, win in pairs(all_windows) do
		if win.pid == pid and win.address ~= active.address then
			hl.dispatch(hl.dsp.focus({ window = "address:" .. win.address }))
			return
		end
	end
end