Linux Certif

Toute la documentation sur la certification Linux LPI

SDL_PollEvent

NAME

SDL_PollEvent- Polls for currently pending events.

SYNOPSIS

#include "SDL.h"

int SDL_PollEvent(SDL_Event *event);

DESCRIPTION

Polls for currently pending events, and returns 1 if there are any pending events, or 0 if there are none available.

If event is not NULL, the next event is removed from the queue and stored in that area.

EXAMPLES

SDL_Event event; /* Event structure */



.

.

.

/* Check for events */

while(SDL_PollEvent(&event)){  /* Loop until there are no events left on the queue */

  switch(event.type){  /* Process the appropiate event type */

    case SDL_KEYDOWN:  /* Handle a KEYDOWN event */         

      printf("Oh! Key press

");

      break;

    case SDL_MOUSEMOTION:

      .

      .

      .

    default: /* Report an unhandled event */

      printf("I don't know what this event is!

");

  }

}

SEE ALSO

SDL_Event, SDL_WaitEvent, SDL_PeepEvents