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|
use crossterm::{
event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
execute,
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
};
use std::{error::Error, io};
use tui::{
backend::{Backend, CrosstermBackend},
layout::{Constraint, Direction, Layout},
Frame, Terminal,
};
use volute::{
app::App,
input::InputParam,
ui,
unit_of_measurement::{pressure::Pressure, UnitOfMeasurement},
};
fn main() -> Result<(), Box<dyn Error>> {
// setup terminal
enable_raw_mode()?;
let mut stdout = io::stdout();
execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
let backend = CrosstermBackend::new(stdout);
let mut terminal = Terminal::new(backend)?;
// create app and run it
let app = App::default();
let res = run_app(&mut terminal, app);
// restore terminal
disable_raw_mode()?;
execute!(
terminal.backend_mut(),
LeaveAlternateScreen,
DisableMouseCapture
)?;
terminal.show_cursor()?;
if let Err(err) = res {
println!("{:?}", err)
}
Ok(())
}
// Input handling
fn run_app<B: Backend>(terminal: &mut Terminal<B>, mut app: App) -> io::Result<()> {
loop {
terminal.draw(|f| ui(f, &app))?;
if let Event::Key(key) = event::read()? {
match key.code {
KeyCode::Char('q') => {
return Ok(());
}
KeyCode::Char('j') => app.next_row(),
KeyCode::Char('k') => app.previous_row(),
KeyCode::Char('l') => app.next_column(),
KeyCode::Char('h') => app.previous_column(),
KeyCode::Char('y') => app.insert_row(),
KeyCode::Char('d') => app.remove_row(),
KeyCode::Char('p') => app.pressure_unit.next(),
KeyCode::Char(c) => {
if ('0'..':').contains(&c) {
// 0 to 9 inclusive
let digit = c.to_digit(10).unwrap();
match app.selected_input_param() {
InputParam::Rpm(rpm) => {
*app.selected_input_param_mut() =
InputParam::Rpm(*rpm * 10 + digit);
}
InputParam::Ve(ve) => {
*app.selected_input_param_mut() = InputParam::Ve(*ve * 10 + digit);
}
InputParam::Map(p) => {
*app.selected_input_param_mut() =
InputParam::Map(Pressure::from_unit(
app.pressure_unit,
p.as_unit(app.pressure_unit) * 10 + digit as i32,
))
}
}
}
}
KeyCode::Backspace => match app.selected_input_param() {
InputParam::Rpm(rpm) => {
*app.selected_input_param_mut() = InputParam::Rpm(*rpm / 10);
}
InputParam::Ve(ve) => {
*app.selected_input_param_mut() = InputParam::Ve(*ve / 10);
}
InputParam::Map(p) => {
*app.selected_input_param_mut() = InputParam::Map(Pressure::from_unit(
app.pressure_unit,
p.as_unit(app.pressure_unit) / 10,
))
}
},
_ => {}
}
}
}
}
fn ui<B: Backend>(f: &mut Frame<B>, app: &App) {
let layout = Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(f.size());
f.render_widget(ui::input_table(app), layout[0]);
f.render_widget(ui::output_table(app), layout[1]);
}
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