[SDL] ops..

[ZioBudda]

in attach the file


"In questo non paese non c'e' un un solo beota, lo facciamo tutti
a turno"
--
Michel <ZioBudda> Morelli		  michel at enter.it
					http://ziobudda.enter.it
Italian Linux FAQ		   http://ziobudda.enter.it/FAQ/
Italian Linux Press                http://ziobudda.enter.it/ILP/
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#include "SDL.h"
SDL_Event event;
SDL_Rect rett;

int MouseInRect()
{ printf("dati event: %d - %d\n dati rett: %d - %d - %d - %d",event.motion.x,
	event.motion.y, rett.x,rett.y, rett.x+rett.w,rett.y+rett.h);
  if (event.motion.x > rett.x && 
      event.motion.x < (rett.x+rett.w) &&
      event.motion.y > rett.y && 
      event.motion.y < (rett.y+rett.h))
  { return (0);
  }
  else {
  return(1);
  }
}
/* This function may run in a separate event thread */
int FilterEvents(const SDL_Event *event) {
        static int boycott = 1;

	printf("Event type = %d\n",event->type);
	if ( event->type == SDL_MOUSEMOTION ) {
                
	        /*printf("Mouse moved to (%d,%d)\n",
                                        event->motion.x, event->motion.y);
		*/
	     if (MouseInRect())
	       { printf("mouse nel rett\n");
	       }
	     else { printf("mouse non nel rett\n");
	     }
	     return(0);      /* Drop it, we've handled it */
        }
	else {
	  if (event->type == SDL_KEYDOWN)
	    { printf("pulito!!!");
	      exit(0);
	    }
	}
        return(1);
}

/*
**	Function name : main
**
**	Description :
**	Input :
**	Output :
*/
int main(void)
{ SDL_Surface *screen, *screen2;
  char *bmpfile = "";
  int i;
  SDL_Surface *picture;
  Uint32 color2;
  //SDL_Rect rett;
  //SDL_Event event;

  rett.x=10; rett.y=10; rett.w=100; rett.h=100;

  /* Initialize the SDL library */
  if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
    fprintf(stderr,
	    "Couldn't initialize SDL: %s\n", SDL_GetError());
    exit(1);
  }
  
  /* Clean up on exit */
  atexit(SDL_Quit);

  SDL_EventState(SDL_KEYDOWN,SDL_ENABLE);
  //SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
  
  SDL_SetEventFilter(FilterEvents);
  
  /* Initialize the display in a 640x480 8-bit palettized mode */
  screen = SDL_SetVideoMode(640, 480, 8, 0);
  if ( screen == NULL ) {
    fprintf(stderr, "Couldn't set 640x480x8 video mode: %s\n",
	    SDL_GetError());
    exit(1);
  }
 
  /* Definisco lo sfondo */
  if ( SDL_LockSurface(screen) == 0 ) {
                Uint32 black;
                Uint8 *pixels;

                black = SDL_MapRGB(screen->format, 10, 50, 90);
		color2 = SDL_MapRGB(screen->format, 100,100,100);
		SDL_FillRect(screen, NULL, black);
		SDL_FillRect(screen, &rett, color2);
	
                SDL_UnlockSurface(screen);
                SDL_UpdateRect(screen, 0, 0, 0, 0);
        }
  
  if ( bmpfile == NULL ) {
                bmpfile = "sample.bmp";         /* Sample image */
        }

  picture = SDL_LoadBMP(bmpfile);
  
  /* Definisco lo sfondo */
  while ( SDL_WaitEvent(&event) >= 0 ) {
  }
}