eventloop.c

#include <sdl.h>


void event_loop(void (*on_keydown)(char), void (*on_loop)()) {
    /* Given a function pointer to call on each new keypress, catch keypresses
     * and pass them to it.
     *
     * TODO: a callback on quit. */
    SDL_Event event;
    int cont = 1;
    while (cont) {
        while (SDL_PollEvent(&event)) {
            switch(event.type){
                case SDL_KEYDOWN:
                    (*on_keydown)(event.key.keysym.sym);
                    break;
                case SDL_QUIT:
                    cont = 0;
                    puts("Quitting.");
                    break;
            }
        }
        (*on_loop)();
    }
}