---
name: "SDL_HINT_MAC_SCROLL_MOMENTUM"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_HINT_MAC_SCROLL_MOMENTUM"
---

# SDL\_HINT\_MAC\_SCROLL\_MOMENTUM(3)

A variable controlling whether SDL\_EVENT\_MOUSE\_WHEEL event values will have momentum on macOS.

## NAME

SDL\_HINT\_MAC\_SCROLL\_MOMENTUM - A variable controlling whether  **SDL\_EVENT\_MOUSE\_WHEEL**\
  event values will have momentum on macOS.

## HEADER FILE

Defined in SDL3/SDL\_hints.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**#define SDL\_HINT\_MAC\_SCROLL\_MOMENTUM** *SDL\_MAC\_SCROLL\_MOMENTUM"*

## DESCRIPTION

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** ().

## AVAILABILITY

This hint is available since SDL 3.2.0.