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SDL_UserEvent(3) SDL API Reference SDL_UserEvent(3)

SDL_UserEvent - A user-defined event type

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

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

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).

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);

SDL_Event, SDL_PushEvent
Tue 11 Sep 2001, 23:00 SDL

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