From 7e0099c7e6ccf583662c42f3308d2225c06e4c80 Mon Sep 17 00:00:00 2001
From: rankun <rankun@bytedance.com>
Date: Sat, 11 Apr 2020 22:28:26 +0800
Subject: [PATCH] fix: crash on mac touch

---
 QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
index b82db8b..e0898aa 100644
--- a/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
+++ b/QtScrcpy/device/controller/inputconvert/inputconvertnormal.cpp
@@ -49,7 +49,7 @@ void InputConvertNormal::mouseEvent(const QMouseEvent *from, const QSize &frameS
 
 void InputConvertNormal::wheelEvent(const QWheelEvent *from, const QSize &frameSize, const QSize &showSize)
 {
-    if (!from) {
+    if (!from || 0 == from->delta()) {
         return;
     }