95 lines
2.2 KiB
Rust
95 lines
2.2 KiB
Rust
use crate::Position;
|
|
use std::io::{self, stdout, Error, Write};
|
|
use termion::color::{Bg, Fg, Reset, Rgb};
|
|
use termion::event::Key;
|
|
use termion::input::TermRead;
|
|
use termion::raw::{IntoRawMode, RawTerminal};
|
|
|
|
pub struct Size {
|
|
pub height: u16,
|
|
pub width: u16,
|
|
}
|
|
|
|
pub struct Terminal {
|
|
size: Size,
|
|
_stdout: RawTerminal<io::Stdout>,
|
|
}
|
|
|
|
impl Terminal {
|
|
/// # Errors
|
|
/// Returns an error if terminal size cannot be retrieved or raw mode cannot be enabled.
|
|
pub fn new() -> Result<Self, Error> {
|
|
let size = termion::terminal_size()?;
|
|
Ok(Self {
|
|
size: Size {
|
|
width: size.0,
|
|
height: size.1.saturating_sub(2),
|
|
},
|
|
_stdout: stdout().into_raw_mode()?,
|
|
})
|
|
}
|
|
|
|
#[must_use]
|
|
pub fn size(&self) -> &Size {
|
|
&self.size
|
|
}
|
|
|
|
pub fn clear_screen() {
|
|
print!("{}", termion::clear::All);
|
|
}
|
|
|
|
pub fn clear_current_line() {
|
|
print!("{}", termion::clear::CurrentLine);
|
|
}
|
|
|
|
#[allow(clippy::cast_possible_truncation)]
|
|
pub fn reposition_cursor(position: &Position) {
|
|
let Position { mut x, mut y } = position;
|
|
x = x.saturating_add(1);
|
|
y = y.saturating_add(1);
|
|
let x = x as u16;
|
|
let y = y as u16;
|
|
print!("{}", termion::cursor::Goto(x, y));
|
|
}
|
|
|
|
/// # Errors
|
|
/// Returns an error if stdout cannot be flushed
|
|
pub fn flush() -> Result<(), Error> {
|
|
io::stdout().flush()
|
|
}
|
|
|
|
/// # Errors
|
|
/// Returns an error if input events can't be retrieved
|
|
pub fn read_key() -> Result<Key, io::Error> {
|
|
loop {
|
|
if let Some(key) = io::stdin().lock().keys().next() {
|
|
return key;
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn hide_cursor() {
|
|
print!("{}", termion::cursor::Hide);
|
|
}
|
|
|
|
pub fn show_cursor() {
|
|
print!("{}", termion::cursor::Show);
|
|
}
|
|
|
|
pub fn set_bg_color(color: Rgb) {
|
|
print!("{}", Bg(color));
|
|
}
|
|
|
|
pub fn reset_bg_color() {
|
|
print!("{}", Bg(Reset));
|
|
}
|
|
|
|
pub fn set_fg_color(color: Rgb) {
|
|
print!("{}", Fg(color));
|
|
}
|
|
|
|
pub fn reset_fg_color() {
|
|
print!("{}", Fg(Reset));
|
|
}
|
|
}
|