console/
common_term.rs

1use std::io;
2
3use crate::term::Term;
4
5pub(crate) fn move_cursor_down(out: &Term, n: usize) -> io::Result<()> {
6    if n > 0 {
7        out.write_str(&format!("\x1b[{}B", n))
8    } else {
9        Ok(())
10    }
11}
12
13pub(crate) fn move_cursor_up(out: &Term, n: usize) -> io::Result<()> {
14    if n > 0 {
15        out.write_str(&format!("\x1b[{}A", n))
16    } else {
17        Ok(())
18    }
19}
20pub(crate) fn move_cursor_left(out: &Term, n: usize) -> io::Result<()> {
21    if n > 0 {
22        out.write_str(&format!("\x1b[{}D", n))
23    } else {
24        Ok(())
25    }
26}
27
28pub(crate) fn move_cursor_right(out: &Term, n: usize) -> io::Result<()> {
29    if n > 0 {
30        out.write_str(&format!("\x1b[{}C", n))
31    } else {
32        Ok(())
33    }
34}
35
36#[inline]
37pub(crate) fn move_cursor_to(out: &Term, x: usize, y: usize) -> io::Result<()> {
38    out.write_str(&format!("\x1B[{};{}H", y + 1, x + 1))
39}
40
41pub(crate) fn clear_chars(out: &Term, n: usize) -> io::Result<()> {
42    if n > 0 {
43        out.write_str(&format!("\x1b[{}D\x1b[0K", n))
44    } else {
45        Ok(())
46    }
47}
48
49#[inline]
50pub(crate) fn clear_line(out: &Term) -> io::Result<()> {
51    out.write_str("\r\x1b[2K")
52}
53
54#[inline]
55pub(crate) fn clear_screen(out: &Term) -> io::Result<()> {
56    out.write_str("\r\x1b[2J\r\x1b[H")
57}
58
59#[inline]
60pub(crate) fn clear_to_end_of_screen(out: &Term) -> io::Result<()> {
61    out.write_str("\r\x1b[0J")
62}
63
64#[inline]
65pub(crate) fn show_cursor(out: &Term) -> io::Result<()> {
66    out.write_str("\x1b[?25h")
67}
68
69#[inline]
70pub(crate) fn hide_cursor(out: &Term) -> io::Result<()> {
71    out.write_str("\x1b[?25l")
72}