Struct cosmic_text::LayoutCursor

pub struct LayoutCursor {
    pub line: usize,
    pub layout: usize,
    pub glyph: usize,
}

Fields

line: usize

layout: usize

glyph: usize

Implementations

impl LayoutCursor

pub fn new(line: usize, layout: usize, glyph: usize) -> Self

Examples found in repository

src/buffer.rs (lines 303-307)

    pub fn layout_cursor(&self, cursor: &Cursor) -> LayoutCursor {
        let line = &self.lines[cursor.line];

        //TODO: ensure layout is done?
        let layout = line.layout_opt().as_ref().expect("layout not found");
        for (layout_i, layout_line) in layout.iter().enumerate() {
            for (glyph_i, glyph) in layout_line.glyphs.iter().enumerate() {
                if cursor.index == glyph.start {
                    return LayoutCursor::new(
                        cursor.line,
                        layout_i,
                        glyph_i
                    );
                }
            }
            match layout_line.glyphs.last() {
                Some(glyph) => {
                    if cursor.index == glyph.end {
                        return LayoutCursor::new(
                            cursor.line,
                            layout_i,
                            layout_line.glyphs.len()
                        );
                    }
                },
                None => {
                    return LayoutCursor::new(
                        cursor.line,
                        layout_i,
                        0
                    );
                }
            }
        }

        // Fall back to start of line
        //TODO: should this be the end of the line?
        LayoutCursor::new(
            cursor.line,
            0,
            0
        )
    }