slt/
cell.rs

1use crate::style::Style;
2
3/// A single terminal cell containing a character and style.
4///
5/// Each cell holds one grapheme cluster (stored as a `String` to support
6/// multi-byte Unicode) and the [`Style`] to render it with. Wide characters
7/// (e.g., CJK) occupy two adjacent cells; the second cell's `symbol` is left
8/// empty by the buffer layer.
9#[derive(Debug, Clone, PartialEq, Eq)]
10pub struct Cell {
11    /// The grapheme cluster displayed in this cell. Defaults to a single space.
12    pub symbol: String,
13    /// The visual style (colors and modifiers) for this cell.
14    pub style: Style,
15}
16
17impl Default for Cell {
18    fn default() -> Self {
19        Self {
20            symbol: " ".into(),
21            style: Style::new(),
22        }
23    }
24}
25
26impl Cell {
27    /// Replace the cell's symbol with the given string slice.
28    pub fn set_symbol(&mut self, s: &str) -> &mut Self {
29        self.symbol.clear();
30        self.symbol.push_str(s);
31        self
32    }
33
34    /// Replace the cell's symbol with a single character.
35    pub fn set_char(&mut self, ch: char) -> &mut Self {
36        self.symbol.clear();
37        self.symbol.push(ch);
38        self
39    }
40
41    /// Set the cell's style.
42    pub fn set_style(&mut self, style: Style) -> &mut Self {
43        self.style = style;
44        self
45    }
46
47    /// Reset the cell to a blank space with default style.
48    pub fn reset(&mut self) {
49        self.symbol.clear();
50        self.symbol.push(' ');
51        self.style = Style::new();
52    }
53}
slt/cell.rs

slt/
cell.rs
