tek/src/render.rs

use crate::prelude::*;

pub fn render_toolbar_vertical (
    stdout:  &mut std::io::Stdout,
    offset:  (u16, u16),
    actions: &[(&str, &str)],
) -> Result<(u16, u16), Box<dyn Error>> {
    let move_to = |col, row| MoveTo(offset.0 + col, offset.1 + row);
    let mut x: u16 = 1;
    let mut y: u16 = 0;
    for (name, description) in actions.iter() {
        stdout.queue(move_to(1, y))?.queue(
            PrintStyledContent(name.yellow().bold())
        )?.queue(move_to(1, y + 1))?.queue(
            PrintStyledContent(description.yellow())
        )?;
        y = y + 3;
        x = u16::max(x, usize::max(name.len(), description.len()) as u16);
    }
    Ok((x, y))
}

pub fn render_box (
    stdout: &mut std::io::Stdout,
    title: Option<&str>,
    x: u16,
    y: u16,
    mut w: u16,
    h: u16,
    active: bool
) -> Result<(), Box<dyn Error>> {
    if let Some(title) = title {
        w = u16::max(w, title.len() as u16 + 4);
    }
    let back: String = std::iter::repeat(" ").take(w.saturating_sub(2) as usize).collect();
    if active {
        let edge: String = std::iter::repeat("━").take(w.saturating_sub(2) as usize).collect();
        stdout.queue(MoveTo(x, y))?.queue(PrintStyledContent(format!("┏{edge}┓").bold().yellow()))?;
        if let Some(title) = title {
            stdout.queue(MoveTo(x+1, y))?.queue(PrintStyledContent(format!(" {title} ").yellow()))?;
        }
        for row in y+1..y+h {
            stdout.queue(MoveTo(x, row))?.queue(PrintStyledContent("┃".bold().yellow()))?;
            stdout.queue(MoveTo(x+w-1, row))?.queue(PrintStyledContent("┃".bold().yellow()))?;
        }
        stdout.queue(MoveTo(x, y+h))?.queue(PrintStyledContent(format!("┗{edge}┛").bold().yellow()))?;
    } else {
        let edge: String = std::iter::repeat("─").take(w.saturating_sub(2) as usize).collect();
        stdout.queue(MoveTo(x, y))?.queue(PrintStyledContent(format!("┌{edge}┐").grey().dim()))?;
        if let Some(title) = title {
            stdout.queue(MoveTo(x+1, y))?.queue(Print(format!(" {title} ")))?;
        }
        for row in y+1..y+h {
            stdout.queue(MoveTo(x, row))?.queue(PrintStyledContent("│".grey().dim()))?;
            stdout.queue(MoveTo(x+w-1, row))?.queue(PrintStyledContent("│".grey().dim()))?;
        }
        stdout.queue(MoveTo(x, y+h))?.queue(PrintStyledContent(format!("└{edge}┘").grey().dim()))?;
    }
    Ok(())
}