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<h1 class="page-title">Source: key_navigatable.js</h1>
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<pre class="prettyprint source linenums"><code>/*************************************************************
*
* Copyright (c) 2015-2016 The MathJax Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @fileoverview Interface definition for key navigatable menu elements.
*
* @author volker.sorge@gmail.com (Volker Sorge)
*/
/**
* Key codes.
* @enum {number}
*/
const KEY = {
RETURN : 13,
ESCAPE = 27,
SPACE = 32,
LEFT = 37,
UP = 38,
RIGHT = 39,
DOWN = 40
}
/**
* @interface
*/
KeyNavigatable = function() {}
/**
* Navigation selection on keyboard events.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.keydown = function() {};
/**
* Navigation on escape key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.escape = function() {};
/**
* Navigation on space key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.space = function() {};
/**
* Navigation on left arrow key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.left = function() {};
/**
* Navigation on right arrow key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.right = function() {};
/**
* Navigation on upwards arrow key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.up = function() {};
/**
* Navigation on downwards arrow key pressed.
* @param {KeyboardEvent} event The keyboard event that fired.
*/
KeyNavigatable.prototype.down = function() {};
</code></pre>
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<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="AbstractEntry.html">AbstractEntry</a></li><li><a href="AbstractItem.html">AbstractItem</a></li><li><a href="AbstractMenu.html">AbstractMenu</a></li><li><a href="AbstractNavigatable.html">AbstractNavigatable</a></li><li><a href="AbstractPostable.html">AbstractPostable</a></li><li><a href="Checkbox.html">Checkbox</a></li><li><a href="CloseButton.html">CloseButton</a></li><li><a href="Command.html">Command</a></li><li><a href="ContextMenu.html">ContextMenu</a></li><li><a href="Info.html">Info</a></li><li><a href="Label.html">Label</a></li><li><a href="MenuElement.html">MenuElement</a></li><li><a href="MenuStore.html">MenuStore</a></li><li><a href="Popup.html">Popup</a></li><li><a href="Radio.html">Radio</a></li><li><a href="Rule.html">Rule</a></li><li><a href="SubMenu.html">SubMenu</a></li><li><a href="Submenu_.html">Submenu</a></li><li><a href="Variable.html">Variable</a></li><li><a href="VariablePool.html">VariablePool</a></li></ul><h3>Namespaces</h3><ul><li><a href="CssStyles.html">CssStyles</a></li><li><a href="MenuUtil.html">MenuUtil</a></li></ul><h3>Interfaces</h3><ul><li><a href="Element.html">Element</a></li><li><a href="Entry.html">Entry</a></li><li><a href="Item.html">Item</a></li><li><a href="KeyNavigatable.html">KeyNavigatable</a></li><li><a href="Menu.html">Menu</a></li><li><a href="MouseNavigatable.html">MouseNavigatable</a></li><li><a href="Postable.html">Postable</a></li><li><a href="TouchNavigatable.html">TouchNavigatable</a></li><li><a href="VariableItem.html">VariableItem</a></li></ul><h3>Global</h3><ul><li><a href="global.html#HtmlAttrs">HtmlAttrs</a></li><li><a href="global.html#HtmlClasses">HtmlClasses</a></li><li><a href="global.html#KEY">KEY</a></li><li><a href="global.html#MOUSE">MOUSE</a></li><li><a href="global.html#TOUCH">TOUCH</a></li></ul>
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