jiq 3.21.0

Interactive JSON query tool with real-time output
Documentation 
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//! Layout calculations for AI popup
//!
//! Handles popup positioning and size calculations.

#![allow(dead_code)]

use ratatui::layout::Rect;

pub const AI_POPUP_MIN_WIDTH: u16 = 40;
pub const AUTOCOMPLETE_RESERVED_WIDTH: u16 = 37;
const BORDER_HEIGHT: u16 = 2;
const MIN_HEIGHT: u16 = 6;
const MAX_HEIGHT_PERCENT: u16 = 40;
const MAX_WIDTH_PERCENT: u16 = 70;

/// Calculate the AI popup area based on frame dimensions
///
/// The popup is positioned on the right side, above the input bar,
/// reserving space for the autocomplete area on the left.
///
/// # Arguments
/// * `frame_area` - The full frame area
/// * `input_area` - The input bar area (popup renders above this)
///
/// # Returns
/// A `Rect` for the AI popup, or `None` if there's not enough space
pub fn calculate_popup_area(frame_area: Rect, input_area: Rect) -> Option<Rect> {
    let available_width = frame_area.width.saturating_sub(AUTOCOMPLETE_RESERVED_WIDTH);

    if available_width < AI_POPUP_MIN_WIDTH {
        return None;
    }

    let max_width = (available_width * MAX_WIDTH_PERCENT) / 100;
    let popup_width = available_width.min(max_width).max(AI_POPUP_MIN_WIDTH);

    let available_height = input_area.y;

    let max_height = (available_height * MAX_HEIGHT_PERCENT) / 100;
    let popup_height = max_height.max(MIN_HEIGHT).min(available_height);

    if popup_height < MIN_HEIGHT {
        return None;
    }

    let popup_x = frame_area.width.saturating_sub(popup_width + 1);

    let popup_y = input_area.y.saturating_sub(popup_height);

    Some(Rect {
        x: popup_x,
        y: popup_y,
        width: popup_width,
        height: popup_height,
    })
}

/// Calculate popup area with dynamic height based on content
///
/// Positions popup at bottom-right and shrinks to fit content height.
///
/// # Arguments
/// * `frame_area` - The full frame area
/// * `input_area` - The input bar area
/// * `content_height` - Actual height needed for content
///
/// # Returns
/// A `Rect` for the AI popup, or `None` if there's not enough space
pub fn calculate_popup_area_with_height(
    frame_area: Rect,
    input_area: Rect,
    content_height: u16,
) -> Option<Rect> {
    let available_width = frame_area.width.saturating_sub(AUTOCOMPLETE_RESERVED_WIDTH);

    if available_width < AI_POPUP_MIN_WIDTH {
        return None;
    }

    let max_width = (available_width * MAX_WIDTH_PERCENT) / 100;
    let popup_width = available_width.min(max_width).max(AI_POPUP_MIN_WIDTH);

    let available_height = input_area.y;

    // Add border height (top + bottom) and title/hints height
    let needed_height = content_height.saturating_add(4); // 2 for borders + 2 for title/hints

    // Apply MAX_HEIGHT_PERCENT constraint
    let max_height = (available_height * MAX_HEIGHT_PERCENT) / 100;
    let popup_height = needed_height.min(max_height).max(MIN_HEIGHT);

    if popup_height < MIN_HEIGHT {
        return None;
    }

    let popup_x = frame_area.width.saturating_sub(popup_width + 1);

    // Position at bottom (above input bar)
    let popup_y = input_area.y.saturating_sub(popup_height);

    Some(Rect {
        x: popup_x,
        y: popup_y,
        width: popup_width,
        height: popup_height,
    })
}