| 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 |  | 
|---|