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Use termion AlternateScreen

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This commit is contained in:
Ferran Basora 2020-05-04 17:24:28 +00:00
parent 53af67e6fa
commit 7c739ce5c5
1 changed files with 5 additions and 4 deletions
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9
src/view.rs
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@ -5,6 +5,7 @@ use termion::async_stdin;
use termion::event::Key;
use termion::input::TermRead;
use termion::raw::IntoRawMode;
use termion::screen::AlternateScreen;
use termion::{color, cursor};
pub struct View<'a> {
@ -82,6 +83,8 @@ impl<'a> View<'a> {
}
fn render(&self, stdout: &mut dyn Write) -> () {
write!(stdout, "{}", cursor::Hide).unwrap();
for (index, line) in self.state.lines.iter().enumerate() {
let clean = line.trim_end_matches(|c: char| c.is_whitespace());
@ -246,16 +249,14 @@ impl<'a> View<'a> {
pub fn present(&mut self) -> Vec<(String, bool)> {
let mut stdin = async_stdin();
let mut stdout = stdout().into_raw_mode().unwrap();
println!("{}", cursor::Hide);
let mut stdout = AlternateScreen::from(stdout().into_raw_mode().unwrap());
let hints = match self.listen(&mut stdin, &mut stdout) {
CaptureEvent::Exit => vec![],
CaptureEvent::Hint(chosen) => chosen,
};
write!(stdout, "{}", termion::cursor::Show).unwrap();
write!(stdout, "{}", cursor::Show).unwrap();
hints
}