mirror of
https://github.com/ratatui-org/ratatui
synced 2024-11-25 22:20:31 +00:00
feat: add pancurses backend
This commit is contained in:
defiori
Florian Dehau
parent
cadb41c9e3
commit
d75198a8ee
6 changed files with 785 additions and 1 deletions
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@ -18,6 +18,7 @@ appveyor = { repository = "fdehau/tui-rs" }
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[features]
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default = ["termion"]
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curses = ["easycurses", "pancurses"]
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[dependencies]
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bitflags = "1.0"
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@ -30,6 +31,8 @@ unicode-width = "0.1"
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termion = { version = "1.5", optional = true }
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rustbox = { version = "0.11", optional = true }
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crossterm = { version = "0.6", optional = true }
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easycurses = { version = "0.12.2", optional = true }
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pancurses = { version = "0.16.1", optional = true, features = ["win32a"] }
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[dev-dependencies]
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stderrlog = "0.4"
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@ -51,3 +54,8 @@ required-features = ["rustbox"]
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name = "crossterm_demo"
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path = "examples/crossterm_demo.rs"
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required-features = ["crossterm"]
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[[example]]
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name = "curses"
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path = "examples/curses.rs"
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required-features = ["curses"]
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@ -12,12 +12,13 @@ user interfaces and dashboards. It is heavily inspired by the `Javascript`
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library [blessed-contrib](https://github.com/yaronn/blessed-contrib) and the
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`Go` library [termui](https://github.com/gizak/termui).
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The library itself supports three different backends to draw to the terminal. You
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The library itself supports four different backends to draw to the terminal. You
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can either choose from:
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- [termion](https://github.com/ticki/termion)
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- [rustbox](https://github.com/gchp/rustbox)
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- [crossterm](https://github.com/TimonPost/crossterm)
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- [pancurses](https://github.com/ihalila/pancurses)
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However, some features may only be available in one of the three.
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42
examples/curses.rs
Normal file
42
examples/curses.rs
Normal file
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@ -0,0 +1,42 @@
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use tui::backend::CursesBackend;
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use tui::style::{Color, Modifier, Style};
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use tui::widgets::{Block, Borders, Paragraph, Text, Widget};
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use tui::Terminal;
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fn main() -> Result<(), failure::Error> {
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let mut terminal = Terminal::new(CursesBackend::new().unwrap()).unwrap();
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terminal.clear().unwrap();
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terminal.hide_cursor().unwrap();
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loop {
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draw(&mut terminal)?;
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match terminal.backend_mut().get_curses_window_mut().get_input() {
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Some(easycurses::Input::Character(char)) => {
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if char == 'q' {
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break;
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}
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}
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_ => {}
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};
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}
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terminal.show_cursor()?;
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Ok(())
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}
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fn draw(t: &mut Terminal<CursesBackend>) -> Result<(), std::io::Error> {
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let text = [
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Text::raw("It "),
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Text::styled("works", Style::default().fg(Color::Yellow)),
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];
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t.draw(|mut f| {
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let size = f.size();
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Paragraph::new(text.iter())
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.block(
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Block::default()
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.title("Curses backend")
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.title_style(Style::default().fg(Color::Yellow).modifier(Modifier::Bold))
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.borders(Borders::ALL)
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.border_style(Style::default().fg(Color::Magenta)),
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)
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.render(&mut f, size)
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})
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}
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497
examples/curses_demo.rs
Normal file
497
examples/curses_demo.rs
Normal file
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@ -0,0 +1,497 @@
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#[allow(dead_code)]
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mod util;
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use std::time::{Duration, Instant};
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use easycurses;
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use tui::backend::{Backend, CursesBackend};
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use tui::layout::{Constraint, Direction, Layout, Rect};
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use tui::style::{Color, Modifier, Style};
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use tui::widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle};
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use tui::widgets::{
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Axis, BarChart, Block, Borders, Chart, Dataset, Gauge, List, Marker, Paragraph, Row,
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SelectableList, Sparkline, Table, Tabs, Text, Widget,
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};
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use tui::{Frame, Terminal};
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use crate::util::{RandomSignal, SinSignal, TabsState};
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struct Server<'a> {
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name: &'a str,
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location: &'a str,
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coords: (f64, f64),
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status: &'a str,
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}
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struct App<'a> {
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items: Vec<&'a str>,
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events: Vec<(&'a str, &'a str)>,
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selected: usize,
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tabs: TabsState<'a>,
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show_chart: bool,
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progress: u16,
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data: Vec<u64>,
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data2: Vec<(f64, f64)>,
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data3: Vec<(f64, f64)>,
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data4: Vec<(&'a str, u64)>,
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window: [f64; 2],
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colors: [Color; 2],
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color_index: usize,
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servers: Vec<Server<'a>>,
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}
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fn main() -> Result<(), failure::Error> {
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stderrlog::new()
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.module(module_path!())
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.verbosity(4)
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.init()?;
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let mut terminal = Terminal::new(CursesBackend::new().unwrap()).unwrap();
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terminal.clear().unwrap();
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terminal.hide_cursor().unwrap();
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terminal
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.backend_mut()
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.get_curses_window_mut()
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.set_input_timeout(easycurses::TimeoutMode::WaitUpTo(50));
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let mut rand_signal = RandomSignal::new(0, 100);
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let mut sin_signal = SinSignal::new(0.2, 3.0, 18.0);
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let mut sin_signal2 = SinSignal::new(0.1, 2.0, 10.0);
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let start = Instant::now();
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let mut counter = 1;
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let mut app = App {
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items: vec![
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"Item1", "Item2", "Item3", "Item4", "Item5", "Item6", "Item7", "Item8", "Item9",
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"Item10", "Item11", "Item12", "Item13", "Item14", "Item15", "Item16", "Item17",
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"Item18", "Item19", "Item20", "Item21", "Item22", "Item23", "Item24",
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],
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events: vec![
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("Event1", "INFO"),
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("Event2", "INFO"),
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("Event3", "CRITICAL"),
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("Event4", "ERROR"),
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("Event5", "INFO"),
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("Event6", "INFO"),
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("Event7", "WARNING"),
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("Event8", "INFO"),
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("Event9", "INFO"),
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("Event10", "INFO"),
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("Event11", "CRITICAL"),
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("Event12", "INFO"),
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("Event13", "INFO"),
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("Event14", "INFO"),
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("Event15", "INFO"),
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("Event16", "INFO"),
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("Event17", "ERROR"),
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("Event18", "ERROR"),
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("Event19", "INFO"),
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("Event20", "INFO"),
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("Event21", "WARNING"),
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("Event22", "INFO"),
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("Event23", "INFO"),
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("Event24", "WARNING"),
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("Event25", "INFO"),
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("Event26", "INFO"),
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],
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selected: 0,
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tabs: TabsState::new(vec!["Tab0", "Tab1"]),
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show_chart: true,
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progress: 0,
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data: rand_signal.by_ref().take(300).collect(),
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data2: sin_signal.by_ref().take(100).collect(),
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data3: sin_signal2.by_ref().take(200).collect(),
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data4: vec![
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("B1", 9),
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("B2", 12),
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("B3", 5),
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("B4", 8),
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("B5", 2),
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("B6", 4),
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("B7", 5),
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("B8", 9),
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("B9", 14),
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("B10", 15),
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("B11", 1),
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("B12", 0),
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("B13", 4),
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("B14", 6),
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("B15", 4),
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("B16", 6),
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("B17", 4),
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("B18", 7),
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("B19", 13),
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("B20", 8),
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("B21", 11),
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("B22", 9),
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("B23", 3),
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("B24", 5),
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],
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window: [0.0, 20.0],
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colors: [Color::Magenta, Color::Red],
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color_index: 0,
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servers: vec![
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Server {
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name: "NorthAmerica-1",
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location: "New York City",
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coords: (40.71, -74.00),
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status: "Up",
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},
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Server {
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name: "Europe-1",
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location: "Paris",
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coords: (48.85, 2.35),
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status: "Failure",
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},
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Server {
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name: "SouthAmerica-1",
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location: "São Paulo",
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coords: (-23.54, -46.62),
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status: "Up",
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},
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Server {
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name: "Asia-1",
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location: "Singapore",
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coords: (1.35, 103.86),
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status: "Up",
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},
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],
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};
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loop {
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// Draw UI
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terminal.draw(|mut f| {
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let chunks = Layout::default()
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.constraints([Constraint::Length(3), Constraint::Min(0)].as_ref())
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.split(f.size());
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Tabs::default()
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.block(Block::default().borders(Borders::ALL).title("Tabs"))
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.titles(&app.tabs.titles)
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.style(Style::default().fg(Color::Green))
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.highlight_style(Style::default().fg(Color::Yellow))
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.select(app.tabs.index)
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.render(&mut f, chunks[0]);
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match app.tabs.index {
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0 => draw_first_tab(&mut f, &app, chunks[1]),
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1 => draw_second_tab(&mut f, &app, chunks[1]),
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_ => {}
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};
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})?;
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// Check for user input
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match terminal.backend_mut().get_curses_window_mut().get_input() {
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Some(input) => {
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match input {
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easycurses::Input::Character('q') => break,
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easycurses::Input::KeyUp => {
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if app.selected > 0 {
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app.selected -= 1
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};
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}
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easycurses::Input::KeyDown => {
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if app.selected < app.items.len() - 1 {
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app.selected += 1;
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}
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}
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easycurses::Input::KeyLeft => {
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app.tabs.previous();
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}
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easycurses::Input::KeyRight => {
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app.tabs.next();
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}
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easycurses::Input::Character('t') => {
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app.show_chart = !app.show_chart;
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}
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_ => {}
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};
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}
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_ => {}
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};
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terminal.backend_mut().get_curses_window_mut().flush_input();
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if start.elapsed() > Duration::from_millis(250) * counter {
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app.progress += 5;
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if app.progress > 100 {
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app.progress = 0;
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}
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app.data.insert(0, rand_signal.next().unwrap());
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app.data.pop();
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for _ in 0..5 {
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app.data2.remove(0);
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app.data2.push(sin_signal.next().unwrap());
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}
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for _ in 0..10 {
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app.data3.remove(0);
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app.data3.push(sin_signal2.next().unwrap());
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}
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let i = app.data4.pop().unwrap();
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app.data4.insert(0, i);
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app.window[0] += 1.0;
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app.window[1] += 1.0;
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let i = app.events.pop().unwrap();
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app.events.insert(0, i);
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app.color_index += 1;
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if app.color_index >= app.colors.len() {
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app.color_index = 0;
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}
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counter += 1;
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};
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}
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Ok(())
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}
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fn draw_first_tab<B>(f: &mut Frame<B>, app: &App, area: Rect)
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where
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B: Backend,
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{
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let chunks = Layout::default()
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.constraints(
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[
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Constraint::Length(7),
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Constraint::Min(7),
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Constraint::Length(7),
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]
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.as_ref(),
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)
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.split(area);
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draw_gauges(f, app, chunks[0]);
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draw_charts(f, app, chunks[1]);
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draw_text(f, chunks[2]);
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}
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fn draw_gauges<B>(f: &mut Frame<B>, app: &App, area: Rect)
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where
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B: Backend,
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{
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let chunks = Layout::default()
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.constraints([Constraint::Length(2), Constraint::Length(3)].as_ref())
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.margin(1)
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.split(area);
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Block::default()
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.borders(Borders::ALL)
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.title("Graphs")
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.render(f, area);
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Gauge::default()
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.block(Block::default().title("Gauge:"))
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.style(
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Style::default()
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.fg(Color::Magenta)
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.bg(Color::Black)
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.modifier(Modifier::Italic),
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)
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.label(&format!("{} / 100", app.progress))
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.percent(app.progress)
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.render(f, chunks[0]);
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Sparkline::default()
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.block(Block::default().title("Sparkline:"))
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.style(Style::default().fg(Color::Green))
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.data(&app.data)
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.render(f, chunks[1]);
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}
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fn draw_charts<B>(f: &mut Frame<B>, app: &App, area: Rect)
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where
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B: Backend,
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{
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let constraints = if app.show_chart {
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vec![Constraint::Percentage(50), Constraint::Percentage(50)]
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} else {
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vec![Constraint::Percentage(100)]
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};
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let chunks = Layout::default()
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.constraints(constraints)
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.direction(Direction::Horizontal)
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.split(area);
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{
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let chunks = Layout::default()
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.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
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.split(chunks[0]);
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{
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let chunks = Layout::default()
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.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
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.direction(Direction::Horizontal)
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.split(chunks[0]);
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SelectableList::default()
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.block(Block::default().borders(Borders::ALL).title("List"))
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.items(&app.items)
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.select(Some(app.selected))
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.highlight_style(Style::default().fg(Color::Yellow).modifier(Modifier::Bold))
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.highlight_symbol(">")
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.render(f, chunks[0]);
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let info_style = Style::default().fg(Color::White);
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let warning_style = Style::default().fg(Color::Yellow);
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let error_style = Style::default().fg(Color::Magenta);
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let critical_style = Style::default().fg(Color::Red);
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let events = app.events.iter().map(|&(evt, level)| {
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Text::styled(
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format!("{}: {}", level, evt),
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match level {
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"ERROR" => error_style,
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"CRITICAL" => critical_style,
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"WARNING" => warning_style,
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_ => info_style,
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},
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)
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});
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List::new(events)
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.block(Block::default().borders(Borders::ALL).title("List"))
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.render(f, chunks[1]);
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}
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BarChart::default()
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.block(Block::default().borders(Borders::ALL).title("Bar chart"))
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.data(&app.data4)
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.bar_width(3)
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.bar_gap(2)
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.value_style(
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Style::default()
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.fg(Color::Black)
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.bg(Color::Green)
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.modifier(Modifier::Italic),
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)
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.label_style(Style::default().fg(Color::Yellow))
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.style(Style::default().fg(Color::Green))
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.render(f, chunks[1]);
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}
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if app.show_chart {
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Chart::default()
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.block(
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Block::default()
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.title("Chart")
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.title_style(Style::default().fg(Color::Cyan).modifier(Modifier::Bold))
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.borders(Borders::ALL),
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)
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.x_axis(
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Axis::default()
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.title("X Axis")
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.style(Style::default().fg(Color::Gray))
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.labels_style(Style::default().modifier(Modifier::Italic))
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.bounds(app.window)
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.labels(&[
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&format!("{}", app.window[0]),
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&format!("{}", (app.window[0] + app.window[1]) / 2.0),
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&format!("{}", app.window[1]),
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]),
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)
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.y_axis(
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Axis::default()
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.title("Y Axis")
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.style(Style::default().fg(Color::Gray))
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.labels_style(Style::default().modifier(Modifier::Italic))
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.bounds([-20.0, 20.0])
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.labels(&["-20", "0", "20"]),
|
||||
)
|
||||
.datasets(&[
|
||||
Dataset::default()
|
||||
.name("data2")
|
||||
.marker(Marker::Dot)
|
||||
.style(Style::default().fg(Color::Cyan))
|
||||
.data(&app.data2),
|
||||
Dataset::default()
|
||||
.name("data3")
|
||||
.marker(Marker::Braille)
|
||||
.style(Style::default().fg(Color::Yellow))
|
||||
.data(&app.data3),
|
||||
])
|
||||
.render(f, chunks[1]);
|
||||
}
|
||||
}
|
||||
|
||||
fn draw_text<B>(f: &mut Frame<B>, area: Rect)
|
||||
where
|
||||
B: Backend,
|
||||
{
|
||||
let text = [
|
||||
Text::raw("This is a paragraph with several lines. You can change style your text the way you want.\n\nFox example: "),
|
||||
Text::styled("under", Style::default().fg(Color::Red)),
|
||||
Text::raw(" "),
|
||||
Text::styled("the", Style::default().fg(Color::Green)),
|
||||
Text::raw(" "),
|
||||
Text::styled("rainbow", Style::default().fg(Color::Blue)),
|
||||
Text::raw(".\nOh and if you didn't "),
|
||||
Text::styled("notice", Style::default().modifier(Modifier::Italic)),
|
||||
Text::raw(" you can "),
|
||||
Text::styled("automatically", Style::default().modifier(Modifier::Bold)),
|
||||
Text::raw(" "),
|
||||
Text::styled("wrap", Style::default().modifier(Modifier::Invert)),
|
||||
Text::raw(" your "),
|
||||
Text::styled("text", Style::default().modifier(Modifier::Underline)),
|
||||
Text::raw(".\nOne more thing is that it should display unicode characters: 10€ (but only on Windows, use the termion backend if you want to see them on Unix.)")
|
||||
];
|
||||
Paragraph::new(text.iter())
|
||||
.block(
|
||||
Block::default()
|
||||
.borders(Borders::ALL)
|
||||
.title("Footer")
|
||||
.title_style(Style::default().fg(Color::Magenta).modifier(Modifier::Bold)),
|
||||
)
|
||||
.wrap(true)
|
||||
.render(f, area);
|
||||
}
|
||||
|
||||
fn draw_second_tab<B>(f: &mut Frame<B>, app: &App, area: Rect)
|
||||
where
|
||||
B: Backend,
|
||||
{
|
||||
let chunks = Layout::default()
|
||||
.constraints([Constraint::Percentage(30), Constraint::Percentage(70)].as_ref())
|
||||
.direction(Direction::Horizontal)
|
||||
.split(area);
|
||||
let up_style = Style::default().fg(Color::Green);
|
||||
let failure_style = Style::default().fg(Color::Red);
|
||||
let header = ["Server", "Location", "Status"];
|
||||
let rows = app.servers.iter().map(|s| {
|
||||
let style = if s.status == "Up" {
|
||||
up_style
|
||||
} else {
|
||||
failure_style
|
||||
};
|
||||
Row::StyledData(vec![s.name, s.location, s.status].into_iter(), style)
|
||||
});
|
||||
Table::new(header.into_iter(), rows)
|
||||
.block(Block::default().title("Servers").borders(Borders::ALL))
|
||||
.header_style(Style::default().fg(Color::Yellow))
|
||||
.widths(&[15, 15, 10])
|
||||
.render(f, chunks[0]);
|
||||
|
||||
Canvas::default()
|
||||
.block(Block::default().title("World").borders(Borders::ALL))
|
||||
.paint(|ctx| {
|
||||
ctx.draw(&Map {
|
||||
color: Color::White,
|
||||
resolution: MapResolution::High,
|
||||
});
|
||||
ctx.layer();
|
||||
ctx.draw(&Rectangle {
|
||||
rect: Rect {
|
||||
x: 0,
|
||||
y: 30,
|
||||
width: 10,
|
||||
height: 10,
|
||||
},
|
||||
color: Color::Yellow,
|
||||
});
|
||||
for (i, s1) in app.servers.iter().enumerate() {
|
||||
for s2 in &app.servers[i + 1..] {
|
||||
ctx.draw(&Line {
|
||||
x1: s1.coords.1,
|
||||
y1: s1.coords.0,
|
||||
y2: s2.coords.0,
|
||||
x2: s2.coords.1,
|
||||
color: Color::Yellow,
|
||||
});
|
||||
}
|
||||
}
|
||||
for server in &app.servers {
|
||||
let color = if server.status == "Up" {
|
||||
Color::Green
|
||||
} else {
|
||||
Color::Red
|
||||
};
|
||||
ctx.print(server.coords.1, server.coords.0, "X", color);
|
||||
}
|
||||
})
|
||||
.x_bounds([-180.0, 180.0])
|
||||
.y_bounds([-90.0, 90.0])
|
||||
.render(f, chunks[1]);
|
||||
}
|
||||
231
src/backend/curses.rs
Normal file
231
src/backend/curses.rs
Normal file
|
|
@ -0,0 +1,231 @@
|
|||
use std::io;
|
||||
|
||||
use crate::backend::Backend;
|
||||
use crate::buffer::Cell;
|
||||
use crate::layout::Rect;
|
||||
use crate::style::{Color, Modifier, Style};
|
||||
#[cfg(unix)]
|
||||
use crate::symbols::{bar, block, line, DOT};
|
||||
#[cfg(unix)]
|
||||
use pancurses::ToChtype;
|
||||
#[cfg(unix)]
|
||||
use unicode_segmentation::UnicodeSegmentation;
|
||||
|
||||
pub struct CursesBackend {
|
||||
curses: easycurses::EasyCurses,
|
||||
}
|
||||
|
||||
impl CursesBackend {
|
||||
pub fn new() -> Result<CursesBackend, String> {
|
||||
match easycurses::EasyCurses::initialize_system() {
|
||||
Some(mut curses) => {
|
||||
curses.set_echo(false);
|
||||
curses.set_input_timeout(easycurses::TimeoutMode::Never);
|
||||
curses.set_input_mode(easycurses::InputMode::RawCharacter);
|
||||
curses.set_keypad_enabled(true);
|
||||
Ok(CursesBackend { curses })
|
||||
}
|
||||
None => Err(String::from(
|
||||
"Can't initialize curses, make sure it is not running already.",
|
||||
)),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_curses_window(&self) -> &easycurses::EasyCurses {
|
||||
&self.curses
|
||||
}
|
||||
|
||||
pub fn get_curses_window_mut(&mut self) -> &mut easycurses::EasyCurses {
|
||||
&mut self.curses
|
||||
}
|
||||
}
|
||||
|
||||
impl Backend for CursesBackend {
|
||||
fn draw<'a, I>(&mut self, content: I) -> Result<(), io::Error>
|
||||
where
|
||||
I: Iterator<Item = (u16, u16, &'a Cell)>,
|
||||
{
|
||||
let mut last_col = 0;
|
||||
let mut last_row = 0;
|
||||
let mut style = Style {
|
||||
fg: Color::Reset,
|
||||
bg: Color::Reset,
|
||||
modifier: Modifier::Reset,
|
||||
};
|
||||
let mut curses_style = CursesStyle {
|
||||
fg: easycurses::Color::White,
|
||||
bg: easycurses::Color::Black,
|
||||
attribute: pancurses::Attribute::Normal,
|
||||
};
|
||||
let mut update_color = false;
|
||||
for (col, row, cell) in content {
|
||||
// eprintln!("{:?}", cell);
|
||||
if row != last_row || col != last_col + 1 {
|
||||
self.curses.move_rc(row as i32, col as i32);
|
||||
}
|
||||
last_col = col;
|
||||
last_row = row;
|
||||
if cell.style.modifier != style.modifier {
|
||||
if curses_style.attribute != pancurses::Attribute::Normal {
|
||||
self.curses.win.attroff(curses_style.attribute);
|
||||
}
|
||||
let attribute: pancurses::Attribute = cell.style.modifier.into();
|
||||
self.curses.win.attron(attribute);
|
||||
curses_style.attribute = attribute;
|
||||
style.modifier = cell.style.modifier;
|
||||
};
|
||||
if cell.style.fg != style.fg {
|
||||
update_color = true;
|
||||
if let Some(ccolor) = cell.style.fg.into() {
|
||||
style.fg = cell.style.fg;
|
||||
curses_style.fg = ccolor;
|
||||
} else {
|
||||
style.fg = Color::White;
|
||||
curses_style.fg = easycurses::Color::White;
|
||||
}
|
||||
};
|
||||
if cell.style.bg != style.bg {
|
||||
update_color = true;
|
||||
if let Some(ccolor) = cell.style.bg.into() {
|
||||
style.bg = cell.style.bg;
|
||||
curses_style.bg = ccolor;
|
||||
} else {
|
||||
style.bg = Color::Black;
|
||||
curses_style.bg = easycurses::Color::Black;
|
||||
}
|
||||
};
|
||||
if update_color {
|
||||
self.curses
|
||||
.set_color_pair(easycurses::ColorPair::new(curses_style.fg, curses_style.bg));
|
||||
};
|
||||
update_color = false;
|
||||
draw(&mut self.curses, cell.symbol.as_str());
|
||||
}
|
||||
self.curses.win.attrset(pancurses::Attribute::Normal);
|
||||
self.curses.set_color_pair(easycurses::ColorPair::new(
|
||||
easycurses::Color::White,
|
||||
easycurses::Color::Black,
|
||||
));
|
||||
Ok(())
|
||||
}
|
||||
fn hide_cursor(&mut self) -> Result<(), io::Error> {
|
||||
self.curses
|
||||
.set_cursor_visibility(easycurses::CursorVisibility::Invisible);
|
||||
Ok(())
|
||||
}
|
||||
fn show_cursor(&mut self) -> Result<(), io::Error> {
|
||||
self.curses
|
||||
.set_cursor_visibility(easycurses::CursorVisibility::Visible);
|
||||
Ok(())
|
||||
}
|
||||
fn clear(&mut self) -> Result<(), io::Error> {
|
||||
self.curses.clear();
|
||||
// self.curses.refresh();
|
||||
Ok(())
|
||||
}
|
||||
fn size(&self) -> Result<Rect, io::Error> {
|
||||
let (nrows, ncols) = self.curses.get_row_col_count();
|
||||
Ok(Rect::new(0, 0, ncols as u16, nrows as u16))
|
||||
}
|
||||
fn flush(&mut self) -> Result<(), io::Error> {
|
||||
self.curses.refresh();
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
struct CursesStyle {
|
||||
fg: easycurses::Color,
|
||||
bg: easycurses::Color,
|
||||
attribute: pancurses::Attribute,
|
||||
}
|
||||
|
||||
#[cfg(unix)]
|
||||
/// Deals with lack of unicode support for ncurses on unix
|
||||
fn draw(curses: &mut easycurses::EasyCurses, symbol: &str) {
|
||||
for grapheme in symbol.graphemes(true) {
|
||||
let ch = convert_to_curses_char(grapheme);
|
||||
curses.win.addch(ch);
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(windows)]
|
||||
fn draw(curses: &mut easycurses::EasyCurses, symbol: &str) {
|
||||
curses.print(symbol);
|
||||
}
|
||||
|
||||
#[cfg(unix)]
|
||||
/// Unicode to ASCII / ncurses extended characters
|
||||
fn convert_to_curses_char(unicode: &str) -> pancurses::chtype {
|
||||
match unicode {
|
||||
line::TOP_RIGHT => pancurses::ACS_URCORNER(),
|
||||
line::VERTICAL => pancurses::ACS_VLINE(),
|
||||
line::HORIZONTAL => pancurses::ACS_HLINE(),
|
||||
line::TOP_LEFT => pancurses::ACS_ULCORNER(),
|
||||
line::BOTTOM_RIGHT => pancurses::ACS_LRCORNER(),
|
||||
line::BOTTOM_LEFT => pancurses::ACS_LLCORNER(),
|
||||
line::VERTICAL_LEFT => pancurses::ACS_RTEE(),
|
||||
line::VERTICAL_RIGHT => pancurses::ACS_LTEE(),
|
||||
line::HORIZONTAL_DOWN => pancurses::ACS_TTEE(),
|
||||
line::HORIZONTAL_UP => pancurses::ACS_BTEE(),
|
||||
block::FULL => pancurses::ACS_BLOCK(),
|
||||
block::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
block::THREE_QUATERS => pancurses::ACS_BLOCK(),
|
||||
block::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
block::HALF => pancurses::ACS_BLOCK(),
|
||||
block::THREE_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
block::ONE_QUATER => pancurses::ACS_BLOCK(),
|
||||
block::ONE_EIGHTH => pancurses::ACS_BLOCK(),
|
||||
bar::SEVEN_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
bar::THREE_QUATERS => pancurses::ACS_BLOCK(),
|
||||
bar::FIVE_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
bar::HALF => pancurses::ACS_BLOCK(),
|
||||
bar::THREE_EIGHTHS => pancurses::ACS_BLOCK(),
|
||||
bar::ONE_QUATER => pancurses::ACS_BLOCK(),
|
||||
bar::ONE_EIGHTH => pancurses::ACS_BLOCK(),
|
||||
DOT => pancurses::ACS_BULLET(),
|
||||
unicode_char => {
|
||||
if unicode_char.is_ascii() {
|
||||
let mut chars = unicode_char.chars();
|
||||
if let Some(ch) = chars.next() {
|
||||
ch.to_chtype()
|
||||
} else {
|
||||
pancurses::ACS_BLOCK()
|
||||
}
|
||||
} else {
|
||||
pancurses::ACS_BLOCK()
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Color> for Option<easycurses::Color> {
|
||||
fn from(color: Color) -> Option<easycurses::Color> {
|
||||
match color {
|
||||
Color::Reset => None,
|
||||
Color::Black => Some(easycurses::Color::Black),
|
||||
Color::Red | Color::LightRed => Some(easycurses::Color::Red),
|
||||
Color::Green | Color::LightGreen => Some(easycurses::Color::Green),
|
||||
Color::Yellow | Color::LightYellow => Some(easycurses::Color::Yellow),
|
||||
Color::Magenta | Color::LightMagenta => Some(easycurses::Color::Magenta),
|
||||
Color::Cyan | Color::LightCyan => Some(easycurses::Color::Cyan),
|
||||
Color::White | Color::Gray | Color::DarkGray => Some(easycurses::Color::White),
|
||||
Color::Blue | Color::LightBlue => Some(easycurses::Color::Blue),
|
||||
Color::Rgb(_, _, _) => None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Modifier> for pancurses::Attribute {
|
||||
fn from(modifier: Modifier) -> pancurses::Attribute {
|
||||
match modifier {
|
||||
Modifier::Blink => pancurses::Attribute::Blink,
|
||||
Modifier::Bold => pancurses::Attribute::Bold,
|
||||
Modifier::CrossedOut => pancurses::Attribute::Strikeout,
|
||||
Modifier::Faint => pancurses::Attribute::Dim,
|
||||
Modifier::Invert => pancurses::Attribute::Reverse,
|
||||
Modifier::Italic => pancurses::Attribute::Italic,
|
||||
Modifier::Underline => pancurses::Attribute::Underline,
|
||||
_ => pancurses::Attribute::Normal,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -18,6 +18,11 @@ mod crossterm;
|
|||
#[cfg(feature = "crossterm")]
|
||||
pub use self::crossterm::CrosstermBackend;
|
||||
|
||||
#[cfg(feature = "curses")]
|
||||
mod curses;
|
||||
#[cfg(feature = "curses")]
|
||||
pub use self::curses::CursesBackend;
|
||||
|
||||
mod test;
|
||||
pub use self::test::TestBackend;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue