[SDL] SDL_WaitEventTimeout

[Alan Wolfe]

Hey Barrett, are you pressing more than 1 key at a time?

if so check this out, and if not check it out too...useful knowledge to have

http://sjbaker.org/steve/omniv/keyboards_are_evil.html

----- Original Message -----
From: <barrett at 9hells.org>
To: <sdl at libsdl.org>
Sent: Thursday, November 06, 2003 11:45 AM
Subject: Re: [SDL] SDL_WaitEventTimeout


> On Thu, Nov 06, 2003 at 04:51:40PM -0200, barrett at 9hells.org wrote:
> > In my main loop, I do SDL_PollEvent(), and in case there's no event,
> > I do a SDL_Delay(1), just to prevent unecessary 100% CPU usage.
> > To my surprise, SDL is missing some keys! That shouldn't happen,
> > event if my event loop is not well designed, and is lagging to
> > catch the events, because (I think) there is an event queue (buffer),
> > right?  If I remove the SDL_Delay(), this doesn't happen.
>
> now it gets worse. i reduced the loop to this:
>
>         while(1) {
>                 SDL_Event event;
>                 if(SDL_PollEvent(&event)) {
>                         if(event.type == SDL_QUIT)
>                                 break;
>                         if(event.type == SDL_KEYDOWN) {
>                                 int k = event.key.keysym.sym;
>                                 printf("keydown %d (%c)\n",
>                                                 k, isprint(k) ? k : '.');
>                         }
>                 }
>         }
>
> and it still missing keys sometimes!
> how can this happen?
>
> regards,
> barrett
>
>
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