@teaui/core/.dist/components/Mouse.js

A high-level terminal UI library for Node

import { Container } from '../Container.js';
/**
 * A non-visual container that receives mouse events as a fallback. Children that
 * register for mouse events on the same pixels will take priority (since they
 * render after this view and override the registration).
 *
 * By default listens for all button and wheel events. Pass `mouse` to restrict
 * which events to listen for.
 */
export class Mouse extends Container {
    #mouse;
    #onMouse;
    constructor(props) {
        super(props);
        this.#mouse = [];
        this.#update(props);
    }
    update(props) {
        this.#update(props);
        super.update(props);
    }
    #update({ mouse, onMouse }) {
        if (mouse === undefined) {
            this.#mouse = ['mouse.button.all', 'mouse.wheel', 'mouse.move'];
        }
        else if (typeof mouse === 'string') {
            this.#mouse = [mouse];
        }
        else {
            this.#mouse = mouse;
        }
        this.#onMouse = onMouse;
    }
    naturalSize(available) {
        return super.naturalSize(available);
    }
    receiveMouse(event, system) {
        super.receiveMouse(event, system);
        this.#onMouse?.(event, system);
    }
    render(viewport) {
        viewport.registerMouse(this.#mouse);
        super.render(viewport);
    }
}
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