matrixcode-tui 0.4.7

MatrixCode TUI - Terminal UI library for AI Code Agent
Documentation 
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//! TUI drawing module.

mod helpers;
mod hint;  // New hint bar module
mod input;
mod messages;
mod status;

use crate::app::TuiApp;
use ratatui::layout::Rect;

impl TuiApp {
    pub(crate) fn draw(&self, f: &mut ratatui::Frame) {
        // Calculate heights for each component
        let total_height = f.area().height;

        // Hint bar: 1 line above input (shows command hints, tool status, etc.)
        let hint_height = if self.should_show_hint() { 1u16 } else { 0u16 };

        // Input: minimum 2 lines, expand for multiline content
        let input_lines = self.input.lines().count().max(1);
        let input_height = if input_lines <= 2 {
            2u16  // Default 2 lines
        } else {
            input_lines.min(5) as u16 + 1
        };

        // Status bar: 1 line at bottom
        let status_height = 1u16;

        // Queue indicator: 1 line if pending messages exist
        let queue_height = if self.pending_messages.is_empty() { 0u16 } else { 1u16 };

        // Calculate positions from bottom up
        let input_y = total_height.saturating_sub(status_height + input_height);
        let hint_y = input_y.saturating_sub(hint_height);
        let status_y = total_height.saturating_sub(status_height);
        let queue_y = hint_y.saturating_sub(queue_height);
        let messages_height = queue_y;

        // Create areas
        let messages_area = Rect::new(f.area().x, f.area().y, f.area().width, messages_height);
        let queue_area = Rect::new(f.area().x, queue_y, f.area().width, queue_height);
        let hint_area = Rect::new(f.area().x, hint_y, f.area().width, hint_height);
        let input_area = Rect::new(f.area().x, input_y, f.area().width, input_height);
        let status_area = Rect::new(f.area().x, status_y, f.area().width, status_height);

        self.draw_messages(f, messages_area);
        if !self.pending_messages.is_empty() {
            self.draw_queue(f, queue_area);
        }
        if hint_height > 0 {
            self.draw_hint(f, hint_area);
        }
        self.draw_input(f, input_area);
        self.draw_status(f, status_area);
    }
}