From 401d0ff33f804ae7e5a08706e100d6d38ddb682b Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Sat, 11 Dec 2021 20:52:04 +0000
Subject: [PATCH] DiabloUI: Handle mouse wheel in SDL 1.2

---
 Source/DiabloUI/diabloui.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Source/DiabloUI/diabloui.cpp b/Source/DiabloUI/diabloui.cpp
index ec5008e7a..cd724b066 100644
--- a/Source/DiabloUI/diabloui.cpp
+++ b/Source/DiabloUI/diabloui.cpp
@@ -352,7 +352,7 @@ void UiFocusNavigation(SDL_Event *event)
 	if (HandleMenuAction(GetMenuAction(*event)))
 		return;
 
-#ifndef USE_SDL1
+#if SDL_VERSION_ATLEAST(2, 0, 0)
 	if (event->type == SDL_MOUSEWHEEL) {
 		if (event->wheel.y > 0) {
 			UiFocusUp();
@@ -361,6 +361,17 @@ void UiFocusNavigation(SDL_Event *event)
 		}
 		return;
 	}
+#else
+	if (event->type == SDL_MOUSEBUTTONDOWN) {
+		switch (event->button.button) {
+		case SDL_BUTTON_WHEELUP:
+			UiFocusUp();
+			return;
+		case SDL_BUTTON_WHEELDOWN:
+			UiFocusDown();
+			return;
+		}
+	}
 #endif
 
 	if (textInputActive) {