SDL_UserEvent(3)

A user-defined event type

Section 3 libsdl1.2-dev bookworm source

Description

SDL_UserEvent

NAME

SDL_UserEvent - A user-defined event type

STRUCTURE DEFINITION

typedef struct{
Uint8 type;
int code;
void *data1;
void *data2;
} SDL_UserEvent;

STRUCTURE DATA

	type		SDL_USEREVENT through to SDL_NUMEVENTS-1
	code		User defined event code
	data1		User defined data pointer
	data2		User defined data pointer

DESCRIPTION

SDL_UserEvent is in the user member of the structure SDL_Event. This event is unique, it is never created by SDL but only by the user. The event can be pushed onto the event queue using SDL_PushEvent. The contents of the structure members or completely up to the programmer, the only requirement is that type is a value from SDL_USEREVENT to SDL_NUMEVENTS-1 (inclusive).

EXAMPLES

SDL_Event event;

event.type = SDL_USEREVENT;
event.user.code = my_event_code;
event.user.data1 = significant_data;
event.user.data2 = 0;
SDL_PushEvent(&event);