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https://github.com/ratatui-org/ratatui
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docs: update main lib.rs / README examples (#1280)
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Josh McKinney
GitHub
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2 changed files with 100 additions and 126 deletions
113
README.md
113
README.md
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@ -128,6 +128,7 @@ Website] for more info. For example, if you are using [Crossterm], you can use t
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use std::io::{self, stdout};
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use ratatui::{
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backend::CrosstermBackend,
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crossterm::{
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event::{self, Event, KeyCode},
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terminal::{
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@ -135,8 +136,8 @@ use ratatui::{
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},
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ExecutableCommand,
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},
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prelude::*,
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widgets::*,
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widgets::{Block, Paragraph},
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Frame, Terminal,
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};
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fn main() -> io::Result<()> {
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@ -186,34 +187,27 @@ area. This lets you describe a responsive terminal UI by nesting layouts. See th
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section of the [Ratatui Website] for more info.
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```rust
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use ratatui::{prelude::*, widgets::*};
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use ratatui::{
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layout::{Constraint, Layout},
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widgets::Block,
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Frame,
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};
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fn ui(frame: &mut Frame) {
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let main_layout = Layout::new(
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Direction::Vertical,
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[
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Constraint::Length(1),
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Constraint::Min(0),
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Constraint::Length(1),
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],
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)
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.split(frame.size());
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frame.render_widget(
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Block::new().borders(Borders::TOP).title("Title Bar"),
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main_layout[0],
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);
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frame.render_widget(
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Block::new().borders(Borders::TOP).title("Status Bar"),
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main_layout[2],
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);
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let [title_area, main_area, status_area] = Layout::vertical([
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Constraint::Length(1),
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Constraint::Min(0),
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Constraint::Length(1),
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])
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.areas(frame.size());
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let [left_area, right_area] =
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Layout::horizontal([Constraint::Percentage(50), Constraint::Percentage(50)])
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.areas(main_area);
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let inner_layout = Layout::new(
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Direction::Horizontal,
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[Constraint::Percentage(50), Constraint::Percentage(50)],
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)
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.split(main_layout[1]);
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frame.render_widget(Block::bordered().title("Left"), inner_layout[0]);
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frame.render_widget(Block::bordered().title("Right"), inner_layout[1]);
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frame.render_widget(Block::bordered().title("Title Bar"), title_area);
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frame.render_widget(Block::bordered().title("Status Bar"), status_area);
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frame.render_widget(Block::bordered().title("Left"), left_area);
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frame.render_widget(Block::bordered().title("Right"), right_area);
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}
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```
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@ -234,48 +228,41 @@ short-hand syntax to apply a style to widgets and text. See the [Styling Text] s
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[Ratatui Website] for more info.
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```rust
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use ratatui::{prelude::*, widgets::*};
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use ratatui::{
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layout::{Constraint, Layout},
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style::{Color, Modifier, Style, Stylize},
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text::{Line, Span},
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widgets::{Block, Paragraph},
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Frame,
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};
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fn ui(frame: &mut Frame) {
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let areas = Layout::new(
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Direction::Vertical,
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[
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Constraint::Length(1),
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Constraint::Length(1),
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Constraint::Length(1),
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Constraint::Length(1),
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Constraint::Min(0),
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],
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)
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.split(frame.size());
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let areas = Layout::vertical([Constraint::Length(1); 4]).split(frame.size());
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let span1 = Span::raw("Hello ");
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let span2 = Span::styled(
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"World",
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Style::new()
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.fg(Color::Green)
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.bg(Color::White)
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.add_modifier(Modifier::BOLD),
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);
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let span3 = "!".red().on_light_yellow().italic();
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let line = Line::from(vec![
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Span::raw("Hello "),
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Span::styled(
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"World",
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Style::new()
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.fg(Color::Green)
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.bg(Color::White)
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.add_modifier(Modifier::BOLD),
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),
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"!".red().on_light_yellow().italic(),
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]);
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frame.render_widget(line, areas[0]);
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let line = Line::from(vec![span1, span2, span3]);
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let text: Text = Text::from(vec![line]);
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// using the short-hand syntax and implicit conversions
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let paragraph = Paragraph::new("Hello World!".red().on_white().bold());
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frame.render_widget(paragraph, areas[1]);
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frame.render_widget(Paragraph::new(text), areas[0]);
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// or using the short-hand syntax and implicit conversions
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frame.render_widget(
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Paragraph::new("Hello World!".red().on_white().bold()),
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areas[1],
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);
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// style the whole widget instead of just the text
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let paragraph = Paragraph::new("Hello World!").style(Style::new().red().on_white());
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frame.render_widget(paragraph, areas[2]);
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// to style the whole widget instead of just the text
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frame.render_widget(
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Paragraph::new("Hello World!").style(Style::new().red().on_white()),
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areas[2],
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);
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// or using the short-hand syntax
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frame.render_widget(Paragraph::new("Hello World!").blue().on_yellow(), areas[3]);
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// use the simpler short-hand syntax
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let paragraph = Paragraph::new("Hello World!").blue().on_yellow();
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frame.render_widget(paragraph, areas[3]);
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}
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```
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113
src/lib.rs
113
src/lib.rs
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@ -105,6 +105,7 @@
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//! use std::io::{self, stdout};
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//!
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//! use ratatui::{
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//! backend::CrosstermBackend,
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//! crossterm::{
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//! event::{self, Event, KeyCode},
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//! terminal::{
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@ -112,8 +113,8 @@
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//! },
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//! ExecutableCommand,
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//! },
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//! prelude::*,
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//! widgets::*,
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//! widgets::{Block, Paragraph},
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//! Frame, Terminal,
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//! };
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//!
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//! fn main() -> io::Result<()> {
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@ -163,34 +164,27 @@
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//! section of the [Ratatui Website] for more info.
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//!
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//! ```rust,no_run
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//! use ratatui::{prelude::*, widgets::*};
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//! use ratatui::{
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//! layout::{Constraint, Layout},
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//! widgets::Block,
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//! Frame,
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//! };
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//!
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//! fn ui(frame: &mut Frame) {
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//! let main_layout = Layout::new(
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//! Direction::Vertical,
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//! [
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//! Constraint::Length(1),
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//! Constraint::Min(0),
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//! Constraint::Length(1),
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//! ],
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//! )
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//! .split(frame.size());
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//! frame.render_widget(
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//! Block::new().borders(Borders::TOP).title("Title Bar"),
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//! main_layout[0],
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//! );
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//! frame.render_widget(
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//! Block::new().borders(Borders::TOP).title("Status Bar"),
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//! main_layout[2],
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//! );
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//! let [title_area, main_area, status_area] = Layout::vertical([
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//! Constraint::Length(1),
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//! Constraint::Min(0),
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//! Constraint::Length(1),
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//! ])
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//! .areas(frame.size());
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//! let [left_area, right_area] =
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//! Layout::horizontal([Constraint::Percentage(50), Constraint::Percentage(50)])
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//! .areas(main_area);
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//!
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//! let inner_layout = Layout::new(
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//! Direction::Horizontal,
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//! [Constraint::Percentage(50), Constraint::Percentage(50)],
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//! )
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//! .split(main_layout[1]);
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//! frame.render_widget(Block::bordered().title("Left"), inner_layout[0]);
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//! frame.render_widget(Block::bordered().title("Right"), inner_layout[1]);
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//! frame.render_widget(Block::bordered().title("Title Bar"), title_area);
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//! frame.render_widget(Block::bordered().title("Status Bar"), status_area);
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//! frame.render_widget(Block::bordered().title("Left"), left_area);
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//! frame.render_widget(Block::bordered().title("Right"), right_area);
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//! }
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//! ```
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//!
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@ -211,48 +205,41 @@
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//! [Ratatui Website] for more info.
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//!
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//! ```rust,no_run
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//! use ratatui::{prelude::*, widgets::*};
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//! use ratatui::{
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//! layout::{Constraint, Layout},
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//! style::{Color, Modifier, Style, Stylize},
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//! text::{Line, Span},
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//! widgets::{Block, Paragraph},
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//! Frame,
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//! };
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//!
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//! fn ui(frame: &mut Frame) {
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//! let areas = Layout::new(
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//! Direction::Vertical,
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//! [
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//! Constraint::Length(1),
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//! Constraint::Length(1),
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//! Constraint::Length(1),
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//! Constraint::Length(1),
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//! Constraint::Min(0),
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//! ],
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//! )
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//! .split(frame.size());
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//! let areas = Layout::vertical([Constraint::Length(1); 4]).split(frame.size());
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//!
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//! let span1 = Span::raw("Hello ");
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//! let span2 = Span::styled(
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//! "World",
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//! Style::new()
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//! .fg(Color::Green)
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//! .bg(Color::White)
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//! .add_modifier(Modifier::BOLD),
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//! );
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//! let span3 = "!".red().on_light_yellow().italic();
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//! let line = Line::from(vec![
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//! Span::raw("Hello "),
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//! Span::styled(
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//! "World",
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//! Style::new()
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//! .fg(Color::Green)
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//! .bg(Color::White)
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//! .add_modifier(Modifier::BOLD),
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//! ),
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//! "!".red().on_light_yellow().italic(),
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//! ]);
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//! frame.render_widget(line, areas[0]);
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//!
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//! let line = Line::from(vec![span1, span2, span3]);
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//! let text: Text = Text::from(vec![line]);
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//! // using the short-hand syntax and implicit conversions
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//! let paragraph = Paragraph::new("Hello World!".red().on_white().bold());
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//! frame.render_widget(paragraph, areas[1]);
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//!
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//! frame.render_widget(Paragraph::new(text), areas[0]);
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//! // or using the short-hand syntax and implicit conversions
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//! frame.render_widget(
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//! Paragraph::new("Hello World!".red().on_white().bold()),
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//! areas[1],
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//! );
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//! // style the whole widget instead of just the text
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//! let paragraph = Paragraph::new("Hello World!").style(Style::new().red().on_white());
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//! frame.render_widget(paragraph, areas[2]);
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//!
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//! // to style the whole widget instead of just the text
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//! frame.render_widget(
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//! Paragraph::new("Hello World!").style(Style::new().red().on_white()),
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//! areas[2],
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//! );
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//! // or using the short-hand syntax
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//! frame.render_widget(Paragraph::new("Hello World!").blue().on_yellow(), areas[3]);
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//! // use the simpler short-hand syntax
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//! let paragraph = Paragraph::new("Hello World!").blue().on_yellow();
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//! frame.render_widget(paragraph, areas[3]);
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//! }
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//! ```
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//!
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