From 1497b881c6d13c5e037dcd57988029df0b0e50eb Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 12 May 2021 08:57:45 +0800
Subject: ...

---
 src/win/gui/Window.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/win')

diff --git a/src/win/gui/Window.cpp b/src/win/gui/Window.cpp
index efd3bfcc..4c75a319 100644
--- a/src/win/gui/Window.cpp
+++ b/src/win/gui/Window.cpp
@@ -438,8 +438,9 @@ void WinNativeWindow::OnMouseUpInternal(platform::gui::MouseButton button,
 }
 
 void WinNativeWindow::OnMouseWheelInternal(short delta, POINT point) {
-  CRU_UNUSED(delta)
-  CRU_UNUSED(point)
+  const auto dip_point = PixelToDip(point);
+  const float d = -((float)delta / 120.f);
+  mouse_wheel_event_.Raise({d, dip_point, RetrieveKeyMofifier()});
 }
 
 void WinNativeWindow::OnKeyDownInternal(int virtual_code) {
-- 
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