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84 lines
2.5 KiB
Rust
84 lines
2.5 KiB
Rust
extern crate termion;
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extern crate tui;
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use std::io;
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use termion::event;
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use termion::input::TermRead;
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use tui::backend::MouseBackend;
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use tui::layout::{Alignment, Constraint, Direction, Layout, Rect};
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use tui::style::{Color, Modifier, Style};
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use tui::widgets::{Block, Paragraph, Text, Widget};
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use tui::Terminal;
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fn main() {
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let mut terminal = Terminal::new(MouseBackend::new().unwrap()).unwrap();
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let stdin = io::stdin();
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terminal.clear().unwrap();
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terminal.hide_cursor().unwrap();
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let mut term_size = terminal.size().unwrap();
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draw(&mut terminal, term_size).unwrap();
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for c in stdin.keys() {
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let size = terminal.size().unwrap();
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if size != term_size {
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terminal.resize(size).unwrap();
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term_size = size;
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}
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draw(&mut terminal, term_size).unwrap();
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let evt = c.unwrap();
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if evt == event::Key::Char('q') {
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break;
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}
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}
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terminal.show_cursor().unwrap();
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}
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fn draw(t: &mut Terminal<MouseBackend>, size: Rect) -> Result<(), io::Error> {
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t.draw(|mut f| {
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Block::default()
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.style(Style::default().bg(Color::White))
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.render(&mut f, size);
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let chunks = Layout::default()
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.direction(Direction::Vertical)
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.margin(5)
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.constraints(
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[
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Constraint::Percentage(30),
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Constraint::Percentage(30),
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Constraint::Percentage(30),
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].as_ref(),
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)
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.split(size);
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let text = [
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Text::Data("This a line\n"),
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Text::StyledData("This a line\n", Style::default().fg(Color::Red)),
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Text::StyledData("This a line\n", Style::default().bg(Color::Blue)),
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Text::StyledData(
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"This a longer line\n",
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Style::default().modifier(Modifier::CrossedOut),
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),
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Text::StyledData(
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"This a line\n",
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Style::default().fg(Color::Green).modifier(Modifier::Italic),
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),
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];
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Paragraph::new(text.iter())
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.alignment(Alignment::Left)
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.render(&mut f, chunks[0]);
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Paragraph::new(text.iter())
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.alignment(Alignment::Center)
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.wrap(true)
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.render(&mut f, chunks[1]);
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Paragraph::new(text.iter())
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.alignment(Alignment::Right)
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.wrap(true)
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.render(&mut f, chunks[2]);
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})
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}
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