lazy-widgets/dist/core/VirtualKeyboardRoot.js

Typescript retained mode GUI for the HTML canvas API

import { VirtualKeyboard } from '../widgets/VirtualKeyboard/VirtualKeyboard.js';
import { defaultVirtualKeyboardTemplate } from './VirtualKeyboardTemplate.js';
import { Root } from './Root.js';
import { Background } from '../widgets/Background.js';
/**
 * A {@link Root} containing a single {@link VirtualKeyboard} widget.
 * Automatically disables itself if not needed, but
 * {@link VirtualKeyboardRoot#updateVisibility} must be called every frame for
 * this behaviour to occur.
 *
 * @category Core
 */
export class VirtualKeyboardRoot extends Root {
    constructor(keyboardDriver, properties) {
        var _a;
        super(new Background(new VirtualKeyboard(keyboardDriver, (_a = properties === null || properties === void 0 ? void 0 : properties.keyboardTemplate) !== null && _a !== void 0 ? _a : defaultVirtualKeyboardTemplate), {
            containerPadding: { left: 8, right: 8, top: 8, bottom: 8 },
        }), properties);
        this.keyboardDriver = keyboardDriver;
    }
    /**
     * Update the visibility of this root; if the keyboard driver has no focused
     * root, then the root is disabled, else, it is enabled. Call this method
     * on every frame to automatically enable/disable the root if needed
     */
    updateVisibility() {
        // Update visibility of root by enabling/disabling it
        this.enabled = this.keyboardDriver.needsInput;
    }
}
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