From b8e9bfa7f6a1d96e8cae96f43d7b5a1394abb447 Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sun, 1 Jan 2023 23:29:25 +0000
Subject: [PATCH] kaios: Make F10 open and close the menu

This is no use on KaiOS itself, but provides a way to open the menu from
the keyboard on desktop browsers for testing (and for
keyboard-accessibility in general).
---
 emccpre.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/emccpre.js b/emccpre.js
index cc7090a..6485d94 100644
--- a/emccpre.js
+++ b/emccpre.js
@@ -491,7 +491,7 @@ function initPuzzle() {
         if (dlg_dimmer !== null)
             return;
         if (!["ArrowLeft", "ArrowRight", "ArrowUp", "ArrowDown", "Enter",
-              "Escape", "Backspace", "SoftRight"]
+              "Escape", "Backspace", "SoftRight", "F10"]
             .includes(event.key))
             return;
         if (ishorizontal(thismenu)) {
@@ -535,7 +535,7 @@ function initPuzzle() {
         else if (event.key == "Enter")
             event.target.click();
         else if (event.key == "Escape" || event.key == "SoftRight" ||
-                 event.key == "Backspace")
+                 event.key == "F10" || event.key == "Backspace")
             // Leave the menu entirely.
             onscreen_canvas.focus();
         // Prevent default even if we didn't do anything, as long as this
@@ -599,7 +599,7 @@ function initPuzzle() {
 
     document.addEventListener("keydown", function(event) {
         // Key to open the menu on KaiOS.
-        if (event.key == "SoftRight" &&
+        if ((event.key == "SoftRight" || event.key == "F10") &&
             !menuform.contains(document.activeElement)) {
             menuform.querySelector("li div").focus();
             event.preventDefault();