Fix horizontal scroll direction on macOS.

See open Dear ImGUI issue: ocornut/imgui#4019 This patches it for macOS in the local copy of imgui_impl_sdl.
grauw · May 1, 2022 · 4d8f86a · 4d8f86a
1 parent 58fe971
commit 4d8f86a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/extern/imgui_patched/imgui_impl_sdl.cpp b/extern/imgui_patched/imgui_impl_sdl.cpp
@@ -300,6 +300,9 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
         {
             float wheel_x = (event->wheel.x > 0) ? 1.0f : (event->wheel.x < 0) ? -1.0f : 0.0f;
             float wheel_y = (event->wheel.y > 0) ? 1.0f : (event->wheel.y < 0) ? -1.0f : 0.0f;
+#ifdef __APPLE__
+            wheel_x = -wheel_x;
+#endif
             io.AddMouseWheelEvent(wheel_x, wheel_y);
             return true;
         }