49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <uv.h>
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uv_loop_t *loop;
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uv_tty_t tty;
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uv_timer_t tick;
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uv_write_t write_req;
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int width, height;
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int pos = 0;
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char *message = " Hello TTY ";
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void update(uv_timer_t *req) {
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char data[500];
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uv_buf_t buf;
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buf.base = data;
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buf.len = sprintf(data, "\033[2J\033[H\033[%dB\033[%luC\033[42;37m%s",
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pos,
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(unsigned long) (width-strlen(message))/2,
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message);
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uv_write(&write_req, (uv_stream_t*) &tty, &buf, 1, NULL);
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pos++;
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if (pos > height) {
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uv_tty_reset_mode();
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uv_timer_stop(&tick);
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}
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}
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int main() {
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loop = uv_default_loop();
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uv_tty_init(loop, &tty, STDOUT_FILENO, 0);
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uv_tty_set_mode(&tty, 0);
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if (uv_tty_get_winsize(&tty, &width, &height)) {
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fprintf(stderr, "Could not get TTY information\n");
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uv_tty_reset_mode();
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return 1;
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}
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fprintf(stderr, "Width %d, height %d\n", width, height);
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uv_timer_init(loop, &tick);
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uv_timer_start(&tick, update, 200, 200);
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return uv_run(loop, UV_RUN_DEFAULT);
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}
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