From 8acf137d148d430bcbbb2f8627a3726abe4fe1a0 Mon Sep 17 00:00:00 2001
From: Antonin Stefanutti <antonin@stefanutti.fr>
Date: Thu, 8 Nov 2018 14:44:18 +0100
Subject: [PATCH] Use WheelEvent.deltaY instead of WheelEvent.wheelDeltaY for
 wheel event

Fixes #1781
---
 src/Terminal.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Terminal.ts b/src/Terminal.ts
index e887146287..c9bc98ffe5 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -985,7 +985,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
           : 65;
           break;
         case 'wheel':
-          button = (<WheelEvent>ev).wheelDeltaY > 0
+          button = (<WheelEvent>ev).deltaY < 0
             ? 64
           : 65;
           break;