From c57fef7b1e616a077c82cde883a3ade188a8ac16 Mon Sep 17 00:00:00 2001
From: tophf <tophf@gmx.com>
Date: Thu, 6 Sep 2018 19:05:10 +0300
Subject: [PATCH] suppress focus outline when invoked via mouse

fixes #495
---
 js/dom.js        | 2 ++
 msgbox/msgbox.js | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/js/dom.js b/js/dom.js
index 1034542b..495cff8f 100644
--- a/js/dom.js
+++ b/js/dom.js
@@ -329,6 +329,7 @@ function focusAccessibility() {
       if (focusables.includes(el.localName)) {
         if (el.dataset.focusedViaClick === undefined) {
           el.dataset.focusedViaClick = '';
+          focusAccessibility.lastFocusedViaClick = true;
         }
         return;
       }
@@ -337,6 +338,7 @@ function focusAccessibility() {
 
   function keepOutlineOnTab(event) {
     if (event.which === 9) {
+      focusAccessibility.lastFocusedViaClick = false;
       setTimeout(keepOutlineOnTab, 0, true);
       return;
     } else if (event !== true) {
diff --git a/msgbox/msgbox.js b/msgbox/msgbox.js
index 7a6ba81e..1a236c41 100644
--- a/msgbox/msgbox.js
+++ b/msgbox/msgbox.js
@@ -36,6 +36,10 @@ function messageBox({
   messageBox.originalFocus = document.activeElement;
   moveFocus(messageBox.element, 1);
 
+  if (focusAccessibility.lastFocusedViaClick && document.activeElement) {
+    document.activeElement.dataset.focusedViaClick = '';
+  }
+
   if (typeof onshow === 'function') {
     onshow(messageBox.element);
   }