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#include <stdlib.h>
#include <SDL/SDL.h>
#define SCR_W 250
#define SCR_H 100
Uint32 timer_callback (Uint32 intervalle, void *param)
{
unsigned* elapsed = param;
char title[256] = "";
sprintf(title, "%.2u:%.2u:%.2u", *elapsed / 3600, (*elapsed % 3600) / 60, (*elapsed % 60));
SDL_WM_SetCaption(title, NULL);
(*elapsed)++;
return intervalle;
}
int main ( int argc, char** argv )
{
unsigned done = 0, elapsed = 0;
SDL_Event event;
SDL_TimerID timer;
if ( SDL_Init( SDL_INIT_VIDEO | SDL_INIT_TIMER ) == -1 )
{
fprintf( stderr, "Unable to init SDL: %s\n", SDL_GetError() );
return 1;
}
atexit( SDL_Quit );
if ( SDL_SetVideoMode(SCR_W, SCR_H, 32, SDL_HWSURFACE) == NULL)
{
fprintf( stderr, "Error on setting VideoMode: %s\n", SDL_GetError() );
return 1;
}
timer = SDL_AddTimer(1000, timer_callback, &elapsed);
while (!done)
{
SDL_WaitEvent(&event);
switch (event.type)
{
case SDL_QUIT:
done = 1;
break;
default:
break;
}
}
return 0;
} |
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