SDL 3.0
SDL_MouseWheelEvent Struct Reference

#include <SDL_events.h>

Data Fields

SDL_EventType type
Uint32 reserved
Uint64 timestamp
SDL_WindowID windowID
SDL_MouseID which
float x
float y
SDL_MouseWheelDirection direction
float mouse_x
float mouse_y
Sint32 integer_x
Sint32 integer_y

Detailed Description

Mouse wheel event structure (event.wheel.*)

Since
This struct is available since SDL 3.2.0.

Definition at line 492 of file SDL_events.h.

Field Documentation

◆ direction

SDL_MouseWheelDirection SDL_MouseWheelEvent::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

Definition at line 501 of file SDL_events.h.

◆ integer_x

Sint32 SDL_MouseWheelEvent::integer_x

The amount scrolled horizontally, accumulated to whole scroll "ticks" (added in 3.2.12)

Definition at line 504 of file SDL_events.h.

◆ integer_y

Sint32 SDL_MouseWheelEvent::integer_y

The amount scrolled vertically, accumulated to whole scroll "ticks" (added in 3.2.12)

Definition at line 505 of file SDL_events.h.

◆ mouse_x

float SDL_MouseWheelEvent::mouse_x

X coordinate, relative to window

Definition at line 502 of file SDL_events.h.

◆ mouse_y

float SDL_MouseWheelEvent::mouse_y

Y coordinate, relative to window

Definition at line 503 of file SDL_events.h.

◆ reserved

Uint32 SDL_MouseWheelEvent::reserved

Definition at line 495 of file SDL_events.h.

◆ timestamp

Uint64 SDL_MouseWheelEvent::timestamp

In nanoseconds, populated using SDL_GetTicksNS()

Definition at line 496 of file SDL_events.h.

◆ type

SDL_EventType SDL_MouseWheelEvent::type

SDL_EVENT_MOUSE_WHEEL

Definition at line 494 of file SDL_events.h.

◆ which

SDL_MouseID SDL_MouseWheelEvent::which

The mouse instance id in relative mode or 0

Definition at line 498 of file SDL_events.h.

◆ windowID

SDL_WindowID SDL_MouseWheelEvent::windowID

The window with mouse focus, if any

Definition at line 497 of file SDL_events.h.

◆ x

float SDL_MouseWheelEvent::x

The amount scrolled horizontally, positive to the right and negative to the left

Definition at line 499 of file SDL_events.h.

◆ y

float SDL_MouseWheelEvent::y

The amount scrolled vertically, positive away from the user and negative toward the user

Definition at line 500 of file SDL_events.h.

The documentation for this struct was generated from the following file: