Method chordAt

src/main/java/fieldbox/boxes/plugins/Chorder.java:229–291

(List<Pair<Box, Rect>> frames, Vec2 start, Window.Event<Window.MouseState> initiation)

			return MarkingMenus.runMenu(box, point, menuSpec);
		}

		return null;
	}

	private Mouse.Dragger chordAt(List<Pair<Box, Rect>> frames, Vec2 start, Window.Event<Window.MouseState> initiation) {

		boolean[] once = {false};


		this.properties.putToMap(StatusBar.statuses, "__chordfeedback__",
			() -> "Drag to start multiple boxes");

		return (e, end) -> {

			Vec2 point = new Vec2(e.after.mx, e.after.my);
			chordOver(frames, start, point, end);

			if (end && !once[0]) {

				List<Triple<Vec2, Float, Box>> intersections = intersectionsFor(
					frames, start, point);

				intersections = intersections.stream().filter(x -> x != null).filter(x -> x.third != null).sorted((a, b) -> Double.compare(a.second, b.second)).collect(Collectors
					.toList());

				once[0] = true;

				List<Triple<Vec2, Float, Box>> finalIntersections = intersections;
				for (int i = 0; i < finalIntersections.size(); i++) {
					int finalI = i;
					RunLoop.main.delayTicks(() -> {
						if (finalIntersections.get(finalI) == null) return;

						Box b = finalIntersections.get(finalI).third;

						Vec2 p = finalIntersections.get(finalI).first;

						fieldlinker.AsMap in = Initiators.get(b, () -> p.x, () -> p.y);

						Execution exec = RemoteEditor.getExecution(b, Execution.code);
						if (exec != null)
							exec.support(b, Execution.code).begin(b, Collections.singletonMap("_t", in));

//						b.first(Execution.execution)
//							.ifPresent(x -> x.support(b, Execution.code)
//								.begin(b, Collections.singletonMap("_t", in)));
					}, i);
				}

				long count = intersections.stream()
					.filter(x -> x != null)
					.count();

				this.properties.putToMap(StatusBar.statuses, "__chordfeedback__",
					() -> "Drag started " + (count == 0 ? "" : (count == 1 ? "this " : "these ") + count + " box" + (count == 1 ? "" : "es")));

				RunLoop.main.delay(
					() -> this.properties.removeFromMap(StatusBar.statuses,