rich_ext/layout/
overflow.rs

1//! Shared cell-aware overflow, preserving resolved segment styles.
2use rich::{Justify, Overflow, Segment, Style, Text, Theme};
3#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
4pub enum OverflowPolicy {
5    Wrap,
6    #[default]
7    Fold,
8    Crop,
9    Ellipsis,
10    Visible,
11}
12pub fn fit_segments(
13    segments: &[Segment],
14    width: usize,
15    policy: OverflowPolicy,
16) -> Vec<Vec<Segment>> {
17    if width == 0 {
18        return Vec::new();
19    }
20    let mut text = Text::new("");
21    for segment in segments.iter().filter(|s| !s.control) {
22        text.append(&segment.text, segment.style.clone().map(Into::into));
23    }
24    let (overflow, no_wrap) = match policy {
25        OverflowPolicy::Wrap => (Overflow::Crop, false),
26        OverflowPolicy::Fold => (Overflow::Fold, false),
27        OverflowPolicy::Crop => (Overflow::Crop, true),
28        OverflowPolicy::Ellipsis => (Overflow::Ellipsis, true),
29        OverflowPolicy::Visible => (Overflow::Ignore, true),
30    };
31    text.render_lines_wrapped(
32        &Theme::default_theme(),
33        &Style::new(),
34        Some(width),
35        Justify::Default,
36        overflow,
37        no_wrap,
38    )
39}
rich_ext/layout/overflow.rs

rich_ext/layout/
overflow.rs
