94 lines
3.4 KiB
Rust
94 lines
3.4 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 ratatui::{
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layout::{Alignment, Rect},
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style::{Modifier, Style, Stylize},
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text::{Line, Span},
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widgets::Paragraph, // Removed Block and Borders
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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, // Still 1 line high
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theme: &Theme,
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app_state: &AppState,
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) {
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let mut current_buffer_name = "*scratch*"; // Default
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// Determine the active buffer name based on UI state
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if app_state.ui.show_intro {
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current_buffer_name = "Intro";
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} else if app_state.ui.show_register {
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current_buffer_name = "Register";
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} else if app_state.ui.show_login {
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current_buffer_name = "Login";
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} else if app_state.ui.show_admin {
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current_buffer_name = "Admin Panel";
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} else if app_state.ui.show_form {
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current_buffer_name = "Data Form";
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}
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// Add more conditions if other views exist
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// --- Style Definitions ---
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// Use Powerline symbols if available, otherwise fallback
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// Ensure your terminal font supports these for the best look!
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const RIGHT_SEPARATOR: &str = ""; // U+E0B0
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// const RIGHT_SEPARATOR: &str = ">"; // Fallback
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const LEFT_SEPARATOR: &str = ""; // U+E0B2
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// const LEFT_SEPARATOR: &str = "<"; // Fallback
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let active_style = Style::default()
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.fg(theme.bg) // Text on active background
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.bg(theme.highlight); // Active background
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let separator_style_active_to_inactive = Style::default()
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.fg(theme.highlight) // Separator color matches the background it comes from
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.bg(theme.bg); // Background matches the area it points into
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let inactive_style = Style::default()
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.fg(theme.fg) // Default text color
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.bg(theme.bg); // Default background
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// --- Create Spans ---
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let buffer_text = format!(" {} ", current_buffer_name); // Add padding
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// Span 1: Left edge (no separator needed if it's the first element)
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// If you had multiple buffers, the *first* one wouldn't have a left separator.
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// let left_sep = Span::raw(""); // Example for first buffer
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// Span 2: The active buffer text
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let buffer_span = Span::styled(buffer_text.clone(), active_style);
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// Span 3: The right separator pointing away from the active buffer
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let right_sep = Span::styled(
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RIGHT_SEPARATOR,
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separator_style_active_to_inactive,
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);
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// Span 4: Filler for the rest of the line
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let text_width = UnicodeWidthStr::width(buffer_text.as_str());
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// Account for the width of the separator character (usually 1)
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let separator_width = UnicodeWidthStr::width(RIGHT_SEPARATOR);
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let total_used_width = (text_width + separator_width) as u16;
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let remaining_width = area.width.saturating_sub(total_used_width);
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let filler_span = Span::styled(
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" ".repeat(remaining_width as usize),
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inactive_style, // Filler uses inactive style
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);
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// --- Combine into Line ---
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// Order: Buffer Text -> Right Separator -> Filler
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// (If multiple buffers: LeftSep -> Text -> RightSep -> LeftSep -> Text -> ...)
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let buffer_line = Line::from(vec![buffer_span, right_sep, filler_span]);
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// --- Render ---
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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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