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use std::io::{Stdout, Write, BufWriter};
use termion;
use termion::screen::AlternateScreen;
use crate::fail::HResult;
pub trait ScreenExt: Write {
fn cursor_hide(&mut self) -> HResult<()> {
write!(self, "{}", termion::cursor::Hide)?;
self.flush()?;
Ok(())
}
fn cursor_show(&mut self) -> HResult<()> {
write!(self, "{}", termion::cursor::Show)?;
self.flush()?;
Ok(())
}
fn reset(&mut self) -> HResult<()> {
write!(self, "{}", termion::style::Reset)?;
self.flush()?;
Ok(())
}
fn clear(&mut self) -> HResult<()> {
write!(self, "{}", termion::clear::All)?;
Ok(())
}
fn write_str(&mut self, str: &str) -> HResult<()> {
write!(self, "{}", str)?;
self.flush()?;
Ok(())
}
fn goto_xy(&mut self, x: usize, y: usize) -> HResult<()> {
let x = x as u16;
let y = y as u16;
write!(self, "{}", goto_xy(x + 1, y + 1))?;
Ok(())
}
fn ysize(&self) -> HResult<usize> {
let (_, ysize) = termion::terminal_size()?;
Ok((ysize - 1) as usize)
}
}
impl ScreenExt for AlternateScreen<Box<Stdout>> {}
impl ScreenExt for AlternateScreen<Stdout> {}
impl ScreenExt for AlternateScreen<BufWriter<Stdout>> {}
pub fn xsize() -> u16 {
let (xsize, _) = termion::terminal_size().unwrap();
xsize
}
pub fn ysize() -> u16 {
let (_, ysize) = termion::terminal_size().unwrap();
ysize
}
pub fn sized_string(string: &str, xsize: u16) -> String {
string.chars().fold("".to_string(), |acc, ch| {
let width: usize = unicode_width::UnicodeWidthStr::width_cjk(acc.as_str());
if width + 1 >= xsize as usize {
acc
} else {
acc + &ch.to_string()
}
})
}
// Do these as constants
pub fn highlight_color() -> String {
format!(
"{}",
termion::color::Fg(termion::color::LightGreen),
//termion::color::Bg(termion::color::Black)
)
}
pub fn normal_color() -> String {
format!(
"{}",
termion::color::Fg(termion::color::LightBlue),
//termion::color::Bg(termion::color::Black)
)
}
pub fn color_red() -> String {
format!("{}", termion::color::Fg(termion::color::Red))
}
pub fn color_yellow() -> String {
format!("{}", termion::color::Fg(termion::color::Yellow))
}
pub fn color_green() -> String {
format!("{}", termion::color::Fg(termion::color::Green))
}
pub fn from_lscolor(color: &lscolors::Color) -> String {
match color {
lscolors::Color::Black => format!("{}", termion::color::Fg(termion::color::Black)),
lscolors::Color::Red => format!("{}", termion::color::Fg(termion::color::Red)),
lscolors::Color::Green => format!("{}", termion::color::Fg(termion::color::Green)),
lscolors::Color::Yellow => format!("{}", termion::color::Fg(termion::color::Yellow)),
lscolors::Color::Blue => format!("{}", termion::color::Fg(termion::color::Blue)),
lscolors::Color::Magenta => format!("{}", termion::color::Fg(termion::color::Magenta)),
lscolors::Color::Cyan => format!("{}", termion::color::Fg(termion::color::Cyan)),
lscolors::Color::White => format!("{}", termion::color::Fg(termion::color::White)),
_ => format!("{}", normal_color()),
}
}
// pub fn cursor_left(n: u16) -> String {
// format!("{}", termion::cursor::Left(n))
// }
pub fn gotoy(y: u16) -> String {
format!("{}", termion::cursor::Goto(1, y))
}
pub fn goto_xy(x: u16, y: u16) -> String {
format!("{}", termion::cursor::Goto(x, y))
}
// pub fn move_top() -> String {
// gotoy(1)
// }
pub fn move_bottom() -> String {
gotoy(ysize())
}
pub fn reset() -> String {
format!("{}", termion::style::Reset)
}
pub fn invert() -> String {
format!("{}", termion::style::Invert)
}
pub fn header_color() -> String {
format!(
"{}{}",
termion::color::Fg(termion::color::White),
termion::color::Bg(termion::color::Blue)
)
}
pub fn status_bg() -> String {
format!("{}", termion::color::Bg(termion::color::LightBlue))
}
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