chore(control): Keyboard queue (#31)

Co-authored-by: 2mal3 <56305732+2mal3@users.noreply.github.com>

control/frontend/src/lib/ts/stores/displays.ts

@@ -201,7 +201,7 @@ export async function run_on_all_selected_displays(
 	);
 	const displays: Display[] = maybe_displays.filter((d): d is Display => d !== null);
 
-	Promise.all(
+	await Promise.all(
 		displays.map(async (display) => {
 			if (!display || (ignore_offline && display.status === 'host_offline')) return;
 			await run_function(display);

control/frontend/src/lib/ts/utils.ts

@@ -113,3 +113,12 @@ export function get_sanitized_file_url(file_path: string, is_preview = false) {
 
 	return `/file/${is_preview ? 'preview/' : ''}${[...pathSegments].join('/')}`;
 }
+
+
+let keyboard_queue = Promise.resolve();
+
+export function add_to_keyboard_queue(task: () => Promise<void>) {
+	keyboard_queue = keyboard_queue.then(task).catch((err) => {
+		console.error('Error in input queue:', err);
+	});
+}

control/frontend/src/routes/ControlView.svelte

@@ -34,6 +34,7 @@
 	import { db } from '$lib/ts/database';
 	import { liveQuery, type Observable } from 'dexie';
 	import TextInput from '$lib/components/TextInput.svelte';
+	import { add_to_keyboard_queue } from '$lib/ts/utils';
 
 	let all_display_states: Observable<'on' | 'off' | 'mixed'> | undefined = $state();
 	$effect(() => {
@@ -206,11 +207,11 @@
 							? 'text-stone-500 cursor-not-allowed'
 							: 'hover:bg-stone-600 active:bg-stone-500 cursor-pointer'} py-2 rounded-xl flex justify-center items-center transition-colors duration-200"
 						disabled={$selected_display_ids.length === 0}
-						onmousedown={async () => {
+						onmousedown={() => {
-							await send_single_key_press('ArrowLeft', 'press');
+							add_to_keyboard_queue(async () => await send_single_key_press('ArrowLeft', 'press'));
 						}}
-						onmouseup={async () => {
+						onmouseup={() => {
-							await send_single_key_press('ArrowLeft', 'release');
+							add_to_keyboard_queue(async () => await send_single_key_press('ArrowLeft', 'release'));
 						}}
 					>
 						<ArrowBigLeft />
@@ -222,11 +223,11 @@
 							? 'text-stone-500 cursor-not-allowed'
 							: 'hover:bg-stone-600 active:bg-stone-500 cursor-pointer'} py-2 rounded-xl flex justify-center items-center transition-colors duration-200"
 						disabled={$selected_display_ids.length === 0}
-						onmousedown={async () => {
+						onmousedown={() => {
-							await send_single_key_press('ArrowRight', 'press');
+							add_to_keyboard_queue(async () => await send_single_key_press('ArrowRight', 'press'));
 						}}
-						onmouseup={async () => {
+						onmouseup={() => {
-							await send_single_key_press('ArrowRight', 'release');
+							add_to_keyboard_queue(async () => await send_single_key_press('ArrowRight', 'release'));
 						}}
 					>
 						<ArrowBigRight />

control/frontend/src/routes/KeyInput.svelte

@@ -7,6 +7,7 @@
 	import { ArrowDownToLine, ArrowUpFromLine, Grid2x2, Grid2X2, Option } from 'lucide-svelte';
 	import Button from '$lib/components/Button.svelte';
 	import { onDestroy } from 'svelte';
+	import { add_to_keyboard_queue } from '$lib/ts/utils';
 
 	let {
 		popup_close_function
@@ -58,17 +59,21 @@
 		const action: 'press' | 'release' = key_down ? 'press' : 'release';
 
 		add_to_last_keys(action.toUpperCase() + ' ' + key);
+		add_to_keyboard_queue(async () => {
 			await run_on_all_selected_displays((d) => send_keyboard_input(d.ip, [{ key, action }]), true);
+		});
 	}
 
-	async function release_all_pressed_keys() {
+	function release_all_pressed_keys() {
 		const inputs: { key: string; action: 'press' | 'release' }[] = [];
 		for (let i = current_keys.length - 1; i >= 0; i--) {
 			inputs.push({ key: current_keys[i], action: 'release' });
 			current_keys.splice(i, 1);
 		}
 
+		add_to_keyboard_queue(async () => {
 			await run_on_all_selected_displays((d) => send_keyboard_input(d.ip, inputs), true);
+		});
 	}
 
 	onDestroy(() => {
@@ -91,7 +96,7 @@
 		}}
 		onblur={async () => {
 			active = false;
-			await release_all_pressed_keys();
+			release_all_pressed_keys();
 		}}
 		onkeydown={(e) => on_keyboard_input(e, true)}
 		onkeyup={(e) => on_keyboard_input(e, false)}