113 lines
4.2 KiB
JavaScript
113 lines
4.2 KiB
JavaScript
/**
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* @fileoverview Implements the PDP11 Keyboard component.
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* @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
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* @copyright © Jeff Parsons 2012-2017
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*
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* This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
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*
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* It has been adapted from the JavaScript PDP 11/70 Emulator v1.4 written by Paul Nankervis
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* (paulnank@hotmail.com) as of September 2016 at <http://skn.noip.me/pdp11/pdp11.html>. This code
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* may be used freely provided the original authors are acknowledged in any modified source code.
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*
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* PCjs is free software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation, either version 3
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* of the License, or (at your option) any later version.
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*
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* PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCjs. If not,
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* see <http://www.gnu.org/licenses/gpl.html>.
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*
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* You are required to include the above copyright notice in every modified copy of this work
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* and to display that copyright notice when the software starts running; see COPYRIGHT in
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* <http://pcjs.org/modules/shared/lib/defines.js>.
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*
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* Some PCjs files also attempt to load external resource files, such as character-image files,
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* ROM files, and disk image files. Those external resource files are not considered part of PCjs
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* for purposes of the GNU General Public License, and the author does not claim any copyright
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* as to their contents.
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*/
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"use strict";
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if (NODE) {
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var Web = require("../../shared/es6/weblib");
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var Component = require("../../shared/es6/component");
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var PDP11 = require("./defines");
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var MessagesPDP11 = require("./messages");
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}
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class KeyboardPDP11 extends Component {
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/**
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* KeyboardPDP11(parmsKbd)
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*
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* @param {Object} parmsKbd
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*/
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constructor(parmsKbd)
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{
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super("Keyboard", parmsKbd, KeyboardPDP11, MessagesPDP11.KEYBOARD);
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this.setReady();
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}
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/**
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* setBinding(sType, sBinding, control, sValue)
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*
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* @this {KeyboardPDP11}
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* @param {string|null} sType is the type of the HTML control (eg, "button", "textarea", "register", "flag", "rled", etc)
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* @param {string} sBinding is the value of the 'binding' parameter stored in the HTML control's "data-value" attribute (eg, "esc")
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* @param {Object} control is the HTML control DOM object (eg, HTMLButtonElement)
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* @param {string} [sValue] optional data value
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* @return {boolean} true if binding was successful, false if unrecognized binding request
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*/
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setBinding(sType, sBinding, control, sValue)
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{
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return false;
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}
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/**
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* initBus(cmp, bus, cpu, dbg)
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*
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* @this {KeyboardPDP11}
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* @param {ComputerPDP11} cmp
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* @param {BusPDP11} bus
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* @param {CPUStatePDP11} cpu
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* @param {DebuggerPDP11} dbg
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*/
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initBus(cmp, bus, cpu, dbg)
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{
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this.cmp = cmp;
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this.cpu = cpu;
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this.dbg = dbg; // NOTE: The "dbg" property must be set for the message functions to work
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}
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/**
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* KeyboardPDP11.init()
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*
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* This function operates on every HTML element of class "keyboard", extracting the
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* JSON-encoded parameters for the Keyboard constructor from the element's "data-value"
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* attribute, invoking the constructor to create a Keyboard component, and then binding
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* any associated HTML controls to the new component.
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*/
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static init()
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{
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var aeKbd = Component.getElementsByClass(document, PDP11.APPCLASS, "keyboard");
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for (var iKbd = 0; iKbd < aeKbd.length; iKbd++) {
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var eKbd = aeKbd[iKbd];
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var parmsKbd = Component.getComponentParms(eKbd);
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var kbd = new KeyboardPDP11(parmsKbd);
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Component.bindComponentControls(kbd, eKbd, PDP11.APPCLASS);
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}
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}
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}
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KeyboardPDP11.MINPRESSTIME = 100; // 100ms
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/*
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* Initialize every Keyboard module on the page.
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*/
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Web.onInit(KeyboardPDP11.init);
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if (NODE) module.exports = KeyboardPDP11;
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