Method to_lines

crates/opencode-tui/src/components/diff.rs:157–191

Convert diff lines to ratatui Lines for embedding in other widgets.

(&self, theme: &Theme)

    /// Convert diff lines to ratatui Lines for embedding in other widgets.
    pub fn to_lines(&self, theme: &Theme) -> Vec<Line<'static>> {
        let mut lines = Vec::new();

        for diff_line in &self.lines {
            let prefix = match diff_line.line_type {
                DiffLineType::Added => Span::styled("+ ", Style::default().fg(theme.diff_added)),
                DiffLineType::Removed => {
                    Span::styled("- ", Style::default().fg(theme.diff_removed))
                }
                DiffLineType::HunkHeader => Span::styled("@@ ", Style::default().fg(theme.primary)),
                DiffLineType::Context => Span::styled("  ", Style::default().fg(theme.text_muted)),
            };

            let line_num = if let Some(n) = diff_line.new_line_num.or(diff_line.old_line_num) {
                format!("{:4} ", n)
            } else {
                "     ".to_string()
            };

            let line_style = match diff_line.line_type {
                DiffLineType::Added => Style::default().fg(theme.diff_added),
                DiffLineType::Removed => Style::default().fg(theme.diff_removed),
                DiffLineType::HunkHeader => Style::default().fg(theme.primary),
                DiffLineType::Context => Style::default().fg(theme.text),
            };

            lines.push(Line::from(vec![
                Span::raw(line_num),
                prefix,
                Span::styled(diff_line.content.clone(), line_style),
            ]));
        }

        lines
    }

    pub fn scroll_up(&mut self) {
        if self.scroll_offset > 0 {