Fixes event scrolling per issue #2218. UNIXes (namely, Linux and othe…

…r non-Windows, non-macOS) were scrolling horizontally the incorrect direction. This addresses a problem that was introduced in #1754.
wesnoth · Feb 11, 2018 · 5ee034b · 5ee034b
1 parent 90e693f
commit 5ee034b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/controller_base.cpp b/src/controller_base.cpp
@@ -132,7 +132,11 @@ void controller_base::handle_event(const SDL_Event& event)
 		break;
 
 	case SDL_MOUSEWHEEL:
+#if defined(_WIN32) || defined(__APPLE__)
 		mh_base.mouse_wheel(-event.wheel.x, event.wheel.y, is_browsing());
+#else
+		mh_base.mouse_wheel(event.wheel.x, event.wheel.y, is_browsing());
+#endif
 		break;
 
 	default: