From dce42ce1684ee060deea487f7aeb95def6e80a39 Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Sat, 10 Sep 2016 22:33:27 -0700
Subject: [PATCH] Fix captcha scrolling in MS Edge. #1070

---
 src/Posting/Captcha.v2.coffee | 2 +-
 src/css/style.css             | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/Posting/Captcha.v2.coffee b/src/Posting/Captcha.v2.coffee
index 6c42cc2de..ebedfeb5b 100644
--- a/src/Posting/Captcha.v2.coffee
+++ b/src/Posting/Captcha.v2.coffee
@@ -139,7 +139,7 @@ Captcha.v2 =
       f = document.querySelector('#qr iframe')
       f.focus = f.blur = ->
     # XXX Make sure scroll on space prevention (see src/css/style.css) doesn't cause scrolling of div
-    if $.engine is 'blink' and iframe.parentNode in $$('#qr .captcha-container > div > div:first-of-type')
+    if $.engine in ['blink', 'edge'] and iframe.parentNode in $$('#qr .captcha-container > div > div:first-of-type')
       $.on iframe.parentNode, 'scroll', -> @scrollTop = 0
 
   fixQRPosition: ->
diff --git a/src/css/style.css b/src/css/style.css
index 50d7fa1d3..6f51ca726 100644
--- a/src/css/style.css
+++ b/src/css/style.css
@@ -1395,10 +1395,12 @@ input.field.tripped:not(:hover):not(:focus) {
   width: 304px;
 }
 /* XXX scrollable with scroll bar hidden; prevents scroll on space press */
-:root.ua-blink #qr .captcha-container > div {
+:root.ua-blink #qr .captcha-container > div,
+:root.ua-edge #qr .captcha-container > div {
   overflow: hidden;
 }
-:root.ua-blink #qr .captcha-container > div > div:first-of-type {
+:root.ua-blink #qr .captcha-container > div > div:first-of-type,
+:root.ua-edge #qr .captcha-container > div > div:first-of-type {
   overflow-y: scroll;
   overflow-x: hidden;
   padding-right: 15px;