fano 0.1.0

A simple writing tool in the terminal that forces you to focus only on the last few words you are writing.
Documentation 
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use crate::app::Editor;
use ratatui::{
    prelude::*,
    widgets::{Block, Borders, Paragraph},
};

pub fn draw(f: &mut Frame<'_>, editor: &mut Editor) {
    let Rect { width, height, .. } = f.size();
    let paragraph_x = (width - editor.line_width) / 2;
    let paragraph_y = height / 2 - 1;

    // Itertools::intersperse(editor.text.lines(), " ")
    let mut lines = editor.lines();
    lines.reverse();
    lines
        .into_iter()
        .enumerate()
        .take(5)
        .fold(paragraph_y, |y, (i, line)| {
            // set new paragraph one line higher
            let mut y = y - 1;
            // handle newlines
            if i != 0 && line.is_last {
                y -= 1;
            }
            if i == 0 && editor.newline() {
                y -= 1;
            }
            f.render_widget(
                Paragraph::new(line.text)
                    .block(Block::default().borders(Borders::NONE))
                    .style(Style::default().fg(Color::White)),
                Rect::new(paragraph_x, y, editor.line_width, 1),
            );
            y
        });

    f.render_widget(
        Paragraph::new(editor.input.as_str())
            .block(Block::default().borders(Borders::NONE))
            .style(Style::default().fg(Color::White).bold()),
        Rect::new(paragraph_x, paragraph_y, editor.line_width, 1),
    );
    f.render_widget(
        Paragraph::new("ENTER to create new line; BACKSPACE to delete")
            .alignment(Alignment::Center)
            .block(Block::default().borders(Borders::NONE))
            .style(Style::default().fg(Color::Blue)),
        Rect::new(0, height - 4, width, 1),
    );
    f.render_widget(
        Paragraph::new("ESC to save and quit.")
            .alignment(Alignment::Center)
            .block(Block::default().borders(Borders::NONE))
            .style(Style::default().fg(Color::Blue)),
        Rect::new(0, height - 3, width, 2),
    );
    f.set_cursor(paragraph_x + editor.input.len() as u16, paragraph_y);
}