#include "xcb_reply.h"

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;

void fontinfo_handler(void *data, xcb_connection_t *c, xcb_generic_reply_t *rg, xcb_generic_error_t *eg)
{
	xcb_list_fonts_with_info_reply_t *rep = (xcb_list_fonts_with_info_reply_t *) rg;
	if(rep)
	{
		int len = xcb_list_fonts_with_info_name_length(rep);
		if(len)
			printf("(+%u) Font \"%.*s\"\n",
					(unsigned int) rep->replies_hint,
					len, xcb_list_fonts_with_info_name(rep));
		else
		{
			pthread_mutex_lock(&lock);
			pthread_cond_broadcast(&cond);
			pthread_mutex_unlock(&lock);
			printf("End of font list.\n");
		}
	}
	if(eg)
		printf("Error from ListFontsWithInfo: %d\n", eg->error_code);
}

int main(int argc, char **argv)
{
	int count = 10;
	char *pattern = "*";
	xcb_connection_t *c = xcb_connect(NULL, NULL);
	xcb_reply_handlers_t h;
        xcb_reply_handlers_init(c, &h);

	if(argc > 1)
		count = atoi(argv[1]);
	if(argc > 2)
		pattern = argv[2];
	
	xcb_reply_add_handler(&h, xcb_list_fonts_with_info(c, count, strlen(pattern), pattern).sequence, fontinfo_handler, 0);
	pthread_mutex_lock(&lock);
	xcb_reply_start_thread(&h);
	pthread_cond_wait(&cond, &lock);
	xcb_reply_stop_thread(&h);
	pthread_mutex_unlock(&lock);

	xcb_disconnect(c);
	exit(0);
}