| 1 | use std::io; |
|---|---|
| 2 | |
| 3 | use crate::term::Term; |
| 4 | |
| 5 | pub 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 | |
| 13 | pub 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 | } |
| 20 | pub 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 | |
| 28 | pub 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] |
| 37 | pub 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 | |
| 41 | pub 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] |
| 50 | pub fn clear_line(out: &Term) -> io::Result<()> { |
| 51 | out.write_str("\r\x1b [2K") |
| 52 | } |
| 53 | |
| 54 | #[inline] |
| 55 | pub fn clear_screen(out: &Term) -> io::Result<()> { |
| 56 | out.write_str("\r\x1b [2J\r\x1b [H") |
| 57 | } |
| 58 | |
| 59 | #[inline] |
| 60 | pub fn clear_to_end_of_screen(out: &Term) -> io::Result<()> { |
| 61 | out.write_str("\r\x1b [0J") |
| 62 | } |
| 63 | |
| 64 | #[inline] |
| 65 | pub fn show_cursor(out: &Term) -> io::Result<()> { |
| 66 | out.write_str("\x1b [?25h") |
| 67 | } |
| 68 | |
| 69 | #[inline] |
| 70 | pub fn hide_cursor(out: &Term) -> io::Result<()> { |
| 71 | out.write_str("\x1b [?25l") |
| 72 | } |
| 73 |