#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <uv.h>

uv_loop_t *loop;

uv_tty_t tty;

uv_timer_t tick;

uv_write_t write_req;

int width, height;

int pos = 0;

char *message = "  Hello TTY  ";

void update(uv_timer_t *req) {

    char data[500];

    uv_buf_t buf;

    buf.base = data;

    buf.len = sprintf(data, "\033[2J\033[H\033[%dB\033[%luC\033[42;37m%s",

                            pos,

                            (unsigned long) (width-strlen(message))/2,

                            message);

    uv_write(&write_req, (uv_stream_t*) &tty, &buf, 1, NULL);

    pos++;

    if (pos > height) {

        uv_tty_reset_mode();

        uv_timer_stop(&tick);

    }

}

int main() {

    loop = uv_default_loop();

    uv_tty_init(loop, &tty, STDOUT_FILENO, 0);

    uv_tty_set_mode(&tty, 0);

    if (uv_tty_get_winsize(&tty, &width, &height)) {

        fprintf(stderr, "Could not get TTY information\n");

        uv_tty_reset_mode();

        return 1;

    }

    fprintf(stderr, "Width %d, height %d\n", width, height);

    uv_timer_init(loop, &tick);

    uv_timer_start(&tick, update, 200, 200);

    return uv_run(loop, UV_RUN_DEFAULT);

}