###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_HINT_MAC_SCROLL_MOMENTUM A variable controlling whether [SDL_EVENT_MOUSE_WHEEL](SDL_EVENT_MOUSE_WHEEL) event values will have momentum on macOS. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hints.h) ## Syntax ```c #define SDL_HINT_MAC_SCROLL_MOMENTUM "SDL_MAC_SCROLL_MOMENTUM" ``` ## Remarks The variable can be set to the following values: - "0": The mouse wheel events will have no momentum. (default) - "1": The mouse wheel events will have momentum. This hint needs to be set before [SDL_Init](SDL_Init)(). ## Version This hint is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryHints](CategoryHints)