From 3e891c9c0be6873e036abb205230a6809ed94237 Mon Sep 17 00:00:00 2001
From: dtw-waleee <waleee@gmail.com>
Date: Mon, 14 Oct 2019 20:55:06 +0200
Subject: [PATCH] Fix keyboard layout issue with help-modal

Some keyboard layouts produces a different ev.which value in firefox
for ? than 191, eg. the Swedish QWERTY one produces 171. Chrome/chromium
doesn't have this issue.
---
 lib/std/special/docs/main.js | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/lib/std/special/docs/main.js b/lib/std/special/docs/main.js
index 3650d46ec6..caa675167c 100644
--- a/lib/std/special/docs/main.js
+++ b/lib/std/special/docs/main.js
@@ -1210,9 +1210,20 @@
         renderSearchCursor();
     }
 
+    function getKeyValue(ev) {
+	if("key" in ev && typeof ev.key != "undefined") {
+	    return ev.key
+	}
+	var code = ev.charCode || ev.keyCode;
+	if(code == 27) {
+	    return "escape"
+	}
+	return String.fromCharCode(code)
+    }
+    
     function onWindowKeyDown(ev) {
-        switch (ev.which) {
-            case 27:
+        switch (getKeyValue(ev)) {
+            case "escape":
                 if (ev.shiftKey || ev.ctrlKey || ev.altKey) return;
                 if (!domHelpModal.classList.contains("hidden")) {
                     domHelpModal.classList.add("hidden");
@@ -1220,7 +1231,7 @@
                     ev.stopPropagation();
                 }
                 break;
-            case 83:
+            case "s":
                 if (ev.shiftKey || ev.ctrlKey || ev.altKey) return;
                 domSearch.focus();
                 domSearch.select();
@@ -1228,7 +1239,7 @@
                 ev.stopPropagation();
                 startAsyncSearch();
                 break;
-            case 191:
+            case "?":
                 if (!ev.shiftKey || ev.ctrlKey || ev.altKey) return;
                 ev.preventDefault();
                 ev.stopPropagation();