From a64fc3918a987197ac494585499e61c17a02ad05 Mon Sep 17 00:00:00 2001
From: "chunmao.guo" <chunmao.guo@bambulab.com>
Date: Tue, 6 Sep 2022 17:03:58 +0800
Subject: [PATCH] FIX: scroll direction of DropDown

Change-Id: Id5abf74e099586810ac9a5ec2b43e6050381a3c3
---
 src/slic3r/GUI/Widgets/DropDown.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Widgets/DropDown.cpp b/src/slic3r/GUI/Widgets/DropDown.cpp
index 8095969edb..a7ed6be9fb 100644
--- a/src/slic3r/GUI/Widgets/DropDown.cpp
+++ b/src/slic3r/GUI/Widgets/DropDown.cpp
@@ -422,7 +422,7 @@ void DropDown::mouseMove(wxMouseEvent &event)
 
 void DropDown::mouseWheelMoved(wxMouseEvent &event)
 {
-    auto delta = (event.GetWheelRotation() < 0 == event.IsWheelInverted()) ? rowSize.y : -rowSize.y;
+    auto delta = event.GetWheelRotation() > 0 ? rowSize.y : -rowSize.y;
     wxPoint pt2 = offset + wxPoint{0, delta};
     if (pt2.y > 0)
         pt2.y = 0;