Mouse motion event structure (event.motion.*)
Defined in <SDL3/SDL_events.h>
typedef struct SDL_MouseMotionEvent
{
SDL_EventType type; /**< SDL_EVENT_MOUSE_MOTION */
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, SDL_TOUCH_MOUSEID, or SDL_PEN_MOUSEID */
Uint32 state; /**< The current button state */
float x; /**< X coordinate, relative to window */
float y; /**< Y coordinate, relative to window */
float xrel; /**< The relative motion in the X direction */
float yrel; /**< The relative motion in the Y direction */
} SDL_MouseMotionEvent;
This struct is available since SDL 3.0.0.