tuimux 0.2.0

A fast Rust TUI for everything tmux, with full CRUD support.
Documentation 
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use std::fmt::Write;

use ansi_to_tui::IntoText;
use ratatui::Frame;
use ratatui::layout::{Constraint, Direction, Layout, Rect};
use ratatui::widgets::{Block, Borders, Clear, Padding, Paragraph, Wrap};

use crate::app::state::State;
use crate::ui::theme;

pub fn render(frame: &mut Frame, area: Rect, state: &State) {
    let focused = state.focus_label() == "details";
    let sections = Layout::default()
        .direction(Direction::Vertical)
        .constraints([Constraint::Length(6), Constraint::Min(5)])
        .split(area);

    let body = if let Some(session) = state.selected_session_ref() {
        let mut details = String::new();
        let _ = writeln!(details, "Session: {}", session.name);
        let _ = writeln!(details, "Path: {}", session.work_dir);
        let _ = writeln!(details, "Windows: {}", session.windows.len());

        if let Some(window) = state.selected_window_ref() {
            let _ = writeln!(details, "Window: [{}] {}", window.index, window.name);
        }

        details
    } else {
        String::from("No selection")
    };

    let details_widget = Paragraph::new(body).wrap(Wrap { trim: false }).block(
        Block::default()
            .borders(Borders::ALL)
            .border_style(theme::panel_border(focused))
            .title("Details")
            .title_style(theme::panel_title(focused))
            .padding(Padding::new(1, 1, 0, 0)),
    );

    let preview_title = if focused { "Preview (live, 1s)" } else { "Preview" };
    let preview_style = if state.preview_is_error { theme::error_status() } else { theme::info_text() };

    let preview_content = if state.preview_is_error {
        ratatui::text::Text::raw(state.preview.as_str())
    } else {
        match state.preview.into_text() {
            Ok(text) => text,
            Err(e) => ratatui::text::Text::raw(format!("ANSI parse error: {e}\n{}", state.preview.as_str())),
        }
    };

    let preview_widget = Paragraph::new(preview_content).style(preview_style).block(
        Block::default()
            .borders(Borders::ALL)
            .border_style(theme::panel_border(focused))
            .title(preview_title)
            .title_style(theme::panel_title(focused))
            .padding(Padding::new(1, 1, 0, 0)),
    );

    frame.render_widget(Clear, sections[0]);
    frame.render_widget(details_widget, sections[0]);
    frame.render_widget(Clear, sections[1]);
    frame.render_widget(preview_widget, sections[1]);
}