NAME

       SDL_MouseWheelEvent - Mouse wheel event structure (event.wheel.*)

SYNOPSIS

       #include <SDL3/SDL_events.h>

       typedef struct SDL_MouseWheelEvent
       {
           SDL_EventType type; /**< SDL_EVENT_MOUSE_WHEEL */
           Uint32 reserved;
           Uint64 timestamp;   /**< In nanoseconds, populated using SDL_GetTicksNS() */
           SDL_WindowID windowID; /**< The window with mouse focus, if any */
           SDL_MouseID which;  /**< The mouse instance id in relative mode or 0 */
           float x;            /**< The amount scrolled horizontally, positive to the right and negative to the left */
           float y;            /**< The amount scrolled vertically, positive away from the user and negative toward the user */
           SDL_MouseWheelDirection direction; /**< Set to one of the SDL_MOUSEWHEEL_* defines. When FLIPPED the values in X and Y will be opposite. Multiply by -1 to change them back */
           float mouse_x;      /**< X coordinate, relative to window */
           float mouse_y;      /**< Y coordinate, relative to window */
           Sint32 integer_x;   /**< The amount scrolled horizontally, accumulated to whole scroll "ticks" (added in 3.2.12) */
           Sint32 integer_y;   /**< The amount scrolled vertically, accumulated to whole scroll "ticks" (added in 3.2.12) */
       } SDL_MouseWheelEvent;

AVAILABILITY

       This struct is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.20                         SDL_MouseWheelEvent(3type)