7181970a32
* remove layout logic from Terminal * replace Group with Layout * add Frame intermediate object
94 lines
3.0 KiB
Rust
94 lines
3.0 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::{Constraint, Direction, Layout, Rect};
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use tui::style::{Alignment, Color, Style};
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use tui::widgets::{Block, Paragraph, 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);
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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);
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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) {
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{
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let mut f = t.get_frame();
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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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Paragraph::default()
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.alignment(Alignment::Left)
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.text(
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"This is a line\n{fg=red This is a line}\n{bg=red This is a \
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line}\n{mod=italic This is a line}\n{mod=bold This is a \
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line}\n{mod=crossed_out This is a line}\n{mod=invert This is a \
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line}\n{mod=underline This is a \
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line}\n{bg=green;fg=yellow;mod=italic This is a line}\n",
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)
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.render(&mut f, &chunks[0]);
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Paragraph::default()
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.alignment(Alignment::Center)
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.wrap(true)
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.text(
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"This is a line\n{fg=red This is a line}\n{bg=red This is a \
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line}\n{mod=italic This is a line}\n{mod=bold This is a \
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line}\n{mod=crossed_out This is a line}\n{mod=invert This is a \
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line}\n{mod=underline This is a \
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line}\n{bg=green;fg=yellow;mod=italic This is a line}\n",
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)
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.render(&mut f, &chunks[1]);
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Paragraph::default()
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.alignment(Alignment::Right)
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.wrap(true)
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.text(
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"This is a line\n{fg=red This is a line}\n{bg=red This is a \
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line}\n{mod=italic This is a line}\n{mod=bold This is a \
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line}\n{mod=crossed_out This is a line}\n{mod=invert This is a \
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line}\n{mod=underline This is a \
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line}\n{bg=green;fg=yellow;mod=italic This is a line}\n",
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)
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.render(&mut f, &chunks[2]);
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}
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t.draw().unwrap();
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}
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