65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
// src/components/handlers/buffer_list.rs
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use crate::config::colors::themes::Theme;
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use crate::state::app::state::AppState;
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// use crate::state::app::buffer::AppView;
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use crate::state::app::buffer::BufferState;
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use ratatui::{
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layout::{Alignment, Rect},
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style::{Style, Stylize},
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text::{Line, Span},
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widgets::Paragraph,
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Frame,
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};
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use unicode_width::UnicodeWidthStr;
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pub fn render_buffer_list(
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f: &mut Frame,
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area: Rect,
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theme: &Theme,
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buffer_state: &BufferState,
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) {
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// --- Style Definitions ---
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let active_style = Style::default()
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.fg(theme.bg)
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.bg(theme.highlight);
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let inactive_style = Style::default()
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.fg(theme.fg)
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.bg(theme.bg);
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// --- Create Spans ---
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let mut spans = Vec::new();
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let mut current_width = 0;
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for (i, view) in buffer_state.history.iter().enumerate() {
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let is_active = i == buffer_state.active_index;
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let buffer_name = view.display_name();
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let buffer_text = format!(" {} ", buffer_name);
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let text_width = UnicodeWidthStr::width(buffer_text.as_str());
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// Calculate width needed for this buffer (separator + text)
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let needed_width = text_width;
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if current_width + needed_width > area.width as usize {
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break;
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}
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// Add the buffer text itself
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let text_style = if is_active { active_style } else { inactive_style };
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spans.push(Span::styled(buffer_text, text_style));
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current_width += text_width;
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}
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// --- Filler Span ---
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let remaining_width = area.width.saturating_sub(current_width as u16);
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spans.push(Span::styled(
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" ".repeat(remaining_width as usize),
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inactive_style,
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));
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// --- Render ---
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let buffer_line = Line::from(spans);
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let paragraph = Paragraph::new(buffer_line).alignment(Alignment::Left);
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f.render_widget(paragraph, area);
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}
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