tmaze 1.12.1

Simple multiplatform maze solving game for terminal written entirely in Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

use crossterm::{event::KeyEventKind, style::ContentStyle};
pub use crossterm::{
    event::{poll, read, Event, KeyCode, KeyEvent},
    terminal::size,
};

use std::cell::RefCell;

use super::draw::*;
use super::*;
use crate::renderer::Renderer;

pub fn popup_size(title: &str, texts: &[&str]) -> Dims {
    match texts.iter().map(|text| text.len()).max() {
        Some(l) => Dims(
            2 + 2 + l.max(title.len()) as i32,
            2 + 2 + texts.len() as i32,
        ),
        None => Dims(4 + title.len() as i32, 3),
    }
}

pub fn popup(
    renderer: &mut Renderer,
    box_style: ContentStyle,
    text_style: ContentStyle,
    title: &str,
    texts: &[&str],
) -> Result<KeyCode, CrosstermError> {
    render_popup(renderer, box_style, text_style, title, texts)?;

    loop {
        let event = read()?;
        if let Event::Key(KeyEvent { code, kind, .. }) = event {
            if kind != KeyEventKind::Release {
                break Ok(code);
            }
        }

        renderer.on_event(&event)?;

        render_popup(renderer, box_style, text_style, title, texts)?;
    }
}

pub fn render_popup(
    renderer: &mut Renderer,
    box_style: ContentStyle,
    text_style: ContentStyle,
    title: &str,
    texts: &[&str],
) -> Result<(), CrosstermError> {
    let box_size = popup_size(title, texts);
    let title_pos = box_center_screen(Dims(title.len() as i32 + 2, 1))?.0;
    let pos = box_center_screen(box_size)?;

    {
        let mut context = DrawContext {
            renderer: &RefCell::new(renderer),
            style: box_style,
            frame: None,
        };

        context.draw_box(pos, box_size);
        context.draw_str_styled(
            Dims(title_pos, pos.1 + 1),
            &format!(" {} ", title),
            text_style,
        );

        if !texts.is_empty() {
            context.draw_str(pos + Dims(1, 2), &"─".repeat(box_size.0 as usize - 2));
            for (i, text) in texts.iter().enumerate() {
                context.draw_str_styled(pos + Dims(2, i as i32 + 3), text, text_style);
            }
        }
    }

    renderer.render()?;

    Ok(())
}