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https://git.proxmox.com/git/mirror_xterm.js
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5151 lines
136 KiB
JavaScript
5151 lines
136 KiB
JavaScript
/**
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* xterm.js: xterm, in the browser
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* Copyright (c) 2014-2014, SourceLair Private Company <www.sourcelair.com> (MIT License)
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* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
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* https://github.com/chjj/term.js
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* Originally forked from (with the author's permission):
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* Fabrice Bellard's javascript vt100 for jslinux:
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* http://bellard.org/jslinux/
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* Copyright (c) 2011 Fabrice Bellard
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* The original design remains. The terminal itself
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* has been extended to include xterm CSI codes, among
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* other features.
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*/
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import { CompositionHelper } from './CompositionHelper.js';
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import { EventEmitter } from './EventEmitter.js';
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import { Viewport } from './Viewport.js';
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import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';
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import * as Browser from './utils/Browser';
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import * as Keyboard from './utils/Keyboard';
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/**
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* Terminal Emulation References:
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* http://vt100.net/
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* http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
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* http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
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* http://invisible-island.net/vttest/
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* http://www.inwap.com/pdp10/ansicode.txt
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* http://linux.die.net/man/4/console_codes
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* http://linux.die.net/man/7/urxvt
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*/
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// Let it work inside Node.js for automated testing purposes.
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var document = (typeof window != 'undefined') ? window.document : null;
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/**
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* States
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*/
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var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;
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/**
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* Terminal
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*/
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/**
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* Creates a new `Terminal` object.
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*
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* @param {object} options An object containing a set of options, the available options are:
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* - `cursorBlink` (boolean): Whether the terminal cursor blinks
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* - `cols` (number): The number of columns of the terminal (horizontal size)
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* - `rows` (number): The number of rows of the terminal (vertical size)
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*
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* @public
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* @class Xterm Xterm
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* @alias module:xterm/src/xterm
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*/
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function Terminal(options) {
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var self = this;
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if (!(this instanceof Terminal)) {
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return new Terminal(arguments[0], arguments[1], arguments[2]);
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}
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self.browser = Browser;
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self.cancel = Terminal.cancel;
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EventEmitter.call(this);
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if (typeof options === 'number') {
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options = {
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cols: arguments[0],
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rows: arguments[1],
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handler: arguments[2]
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};
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}
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options = options || {};
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Object.keys(Terminal.defaults).forEach(function(key) {
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if (options[key] == null) {
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options[key] = Terminal.options[key];
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if (Terminal[key] !== Terminal.defaults[key]) {
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options[key] = Terminal[key];
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}
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}
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self[key] = options[key];
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});
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if (options.colors.length === 8) {
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options.colors = options.colors.concat(Terminal._colors.slice(8));
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} else if (options.colors.length === 16) {
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options.colors = options.colors.concat(Terminal._colors.slice(16));
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} else if (options.colors.length === 10) {
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options.colors = options.colors.slice(0, -2).concat(
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Terminal._colors.slice(8, -2), options.colors.slice(-2));
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} else if (options.colors.length === 18) {
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options.colors = options.colors.concat(
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Terminal._colors.slice(16, -2), options.colors.slice(-2));
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}
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this.colors = options.colors;
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this.options = options;
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// this.context = options.context || window;
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// this.document = options.document || document;
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this.parent = options.body || options.parent || (
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document ? document.getElementsByTagName('body')[0] : null
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);
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this.cols = options.cols || options.geometry[0];
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this.rows = options.rows || options.geometry[1];
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this.geometry = [this.cols, this.rows];
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if (options.handler) {
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this.on('data', options.handler);
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}
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/**
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* The scroll position of the y cursor, ie. ybase + y = the y position within the entire
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* buffer
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*/
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this.ybase = 0;
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/**
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* The scroll position of the viewport
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*/
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this.ydisp = 0;
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/**
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* The cursor's x position after ybase
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*/
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this.x = 0;
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/**
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* The cursor's y position after ybase
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*/
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this.y = 0;
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/**
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* Used to debounce the refresh function
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*/
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this.isRefreshing = false;
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/**
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* Whether there is a full terminal refresh queued
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*/
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this.cursorState = 0;
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this.cursorHidden = false;
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this.convertEol;
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this.state = 0;
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this.queue = '';
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this.scrollTop = 0;
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this.scrollBottom = this.rows - 1;
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this.customKeydownHandler = null;
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// modes
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this.applicationKeypad = false;
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this.applicationCursor = false;
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this.originMode = false;
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this.insertMode = false;
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this.wraparoundMode = true; // defaults: xterm - true, vt100 - false
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this.normal = null;
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// charset
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this.charset = null;
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this.gcharset = null;
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this.glevel = 0;
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this.charsets = [null];
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// mouse properties
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this.decLocator;
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this.x10Mouse;
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this.vt200Mouse;
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this.vt300Mouse;
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this.normalMouse;
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this.mouseEvents;
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this.sendFocus;
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this.utfMouse;
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this.sgrMouse;
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this.urxvtMouse;
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// misc
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this.element;
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this.children;
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this.refreshStart;
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this.refreshEnd;
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this.savedX;
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this.savedY;
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this.savedCols;
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// stream
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this.readable = true;
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this.writable = true;
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this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);
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this.curAttr = this.defAttr;
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this.params = [];
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this.currentParam = 0;
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this.prefix = '';
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this.postfix = '';
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// leftover surrogate high from previous write invocation
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this.surrogate_high = '';
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/**
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* An array of all lines in the entire buffer, including the prompt. The lines are array of
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* characters which are 2-length arrays where [0] is an attribute and [1] is the character.
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*/
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this.lines = [];
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var i = this.rows;
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while (i--) {
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this.lines.push(this.blankLine());
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}
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this.tabs;
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this.setupStops();
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// Store if user went browsing history in scrollback
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this.userScrolling = false;
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}
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inherits(Terminal, EventEmitter);
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/**
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* back_color_erase feature for xterm.
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*/
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Terminal.prototype.eraseAttr = function() {
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// if (this.is('screen')) return this.defAttr;
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return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
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};
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/**
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* Colors
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*/
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// Colors 0-15
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Terminal.tangoColors = [
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// dark:
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'#2e3436',
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'#cc0000',
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'#4e9a06',
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'#c4a000',
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'#3465a4',
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'#75507b',
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'#06989a',
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'#d3d7cf',
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// bright:
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'#555753',
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'#ef2929',
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'#8ae234',
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'#fce94f',
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'#729fcf',
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'#ad7fa8',
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'#34e2e2',
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'#eeeeec'
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];
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// Colors 0-15 + 16-255
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// Much thanks to TooTallNate for writing this.
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Terminal.colors = (function() {
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var colors = Terminal.tangoColors.slice()
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, r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
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, i;
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// 16-231
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i = 0;
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for (; i < 216; i++) {
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out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
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}
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// 232-255 (grey)
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i = 0;
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for (; i < 24; i++) {
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r = 8 + i * 10;
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out(r, r, r);
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}
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function out(r, g, b) {
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colors.push('#' + hex(r) + hex(g) + hex(b));
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}
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function hex(c) {
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c = c.toString(16);
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return c.length < 2 ? '0' + c : c;
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}
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return colors;
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})();
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Terminal._colors = Terminal.colors.slice();
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Terminal.vcolors = (function() {
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var out = []
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, colors = Terminal.colors
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, i = 0
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, color;
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for (; i < 256; i++) {
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color = parseInt(colors[i].substring(1), 16);
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out.push([
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(color >> 16) & 0xff,
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(color >> 8) & 0xff,
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color & 0xff
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]);
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}
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return out;
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})();
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/**
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* Options
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*/
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Terminal.defaults = {
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colors: Terminal.colors,
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theme: 'default',
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convertEol: false,
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termName: 'xterm',
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geometry: [80, 24],
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cursorBlink: false,
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visualBell: false,
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popOnBell: false,
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scrollback: 1000,
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screenKeys: false,
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debug: false,
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cancelEvents: false
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// programFeatures: false,
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// focusKeys: false,
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};
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Terminal.options = {};
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Terminal.focus = null;
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each(keys(Terminal.defaults), function(key) {
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Terminal[key] = Terminal.defaults[key];
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Terminal.options[key] = Terminal.defaults[key];
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});
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/**
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* Focus the terminal. Delegates focus handling to the terminal's DOM element.
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*/
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Terminal.prototype.focus = function() {
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return this.textarea.focus();
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};
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/**
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* Retrieves an option's value from the terminal.
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* @param {string} key The option key.
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*/
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Terminal.prototype.getOption = function(key, value) {
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if (!(key in Terminal.defaults)) {
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throw new Error('No option with key "' + key + '"');
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}
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if (typeof this.options[key] !== 'undefined') {
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return this.options[key];
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}
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return this[key];
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};
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/**
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* Sets an option on the terminal.
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* @param {string} key The option key.
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* @param {string} value The option value.
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*/
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Terminal.prototype.setOption = function(key, value) {
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if (!(key in Terminal.defaults)) {
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throw new Error('No option with key "' + key + '"');
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}
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this[key] = value;
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this.options[key] = value;
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};
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/**
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* Binds the desired focus behavior on a given terminal object.
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*
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* @static
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*/
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Terminal.bindFocus = function (term) {
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on(term.textarea, 'focus', function (ev) {
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if (term.sendFocus) {
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term.send('\x1b[I');
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}
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term.element.classList.add('focus');
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term.showCursor();
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Terminal.focus = term;
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term.emit('focus', {terminal: term});
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});
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};
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/**
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* Blur the terminal. Delegates blur handling to the terminal's DOM element.
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*/
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Terminal.prototype.blur = function() {
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return this.textarea.blur();
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};
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/**
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* Binds the desired blur behavior on a given terminal object.
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*
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* @static
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*/
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Terminal.bindBlur = function (term) {
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on(term.textarea, 'blur', function (ev) {
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term.refresh(term.y, term.y);
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if (term.sendFocus) {
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term.send('\x1b[O');
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}
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term.element.classList.remove('focus');
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Terminal.focus = null;
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term.emit('blur', {terminal: term});
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});
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};
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/**
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* Initialize default behavior
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*/
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Terminal.prototype.initGlobal = function() {
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var term = this;
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Terminal.bindKeys(this);
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Terminal.bindFocus(this);
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Terminal.bindBlur(this);
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// Bind clipboard functionality
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on(this.element, 'copy', function (ev) {
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copyHandler.call(this, ev, term);
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});
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on(this.textarea, 'paste', function (ev) {
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pasteHandler.call(this, ev, term);
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});
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function rightClickHandlerWrapper (ev) {
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rightClickHandler.call(this, ev, term);
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}
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if (term.browser.isFirefox) {
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on(this.element, 'mousedown', function (ev) {
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if (ev.button == 2) {
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rightClickHandlerWrapper(ev);
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}
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});
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} else {
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on(this.element, 'contextmenu', rightClickHandlerWrapper);
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}
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};
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/**
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* Apply key handling to the terminal
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*/
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Terminal.bindKeys = function(term) {
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on(term.element, 'keydown', function(ev) {
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if (document.activeElement != this) {
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return;
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}
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term.keyDown(ev);
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}, true);
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on(term.element, 'keypress', function(ev) {
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if (document.activeElement != this) {
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return;
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}
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term.keyPress(ev);
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}, true);
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on(term.element, 'keyup', term.focus.bind(term));
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on(term.textarea, 'keydown', function(ev) {
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term.keyDown(ev);
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}, true);
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on(term.textarea, 'keypress', function(ev) {
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term.keyPress(ev);
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// Truncate the textarea's value, since it is not needed
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this.value = '';
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}, true);
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on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));
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on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));
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on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));
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term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
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};
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|
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/**
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* Insert the given row to the terminal or produce a new one
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* if no row argument is passed. Return the inserted row.
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* @param {HTMLElement} row (optional) The row to append to the terminal.
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*/
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Terminal.prototype.insertRow = function (row) {
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if (typeof row != 'object') {
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row = document.createElement('div');
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}
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this.rowContainer.appendChild(row);
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this.children.push(row);
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return row;
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};
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/**
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* Opens the terminal within an element.
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*
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* @param {HTMLElement} parent The element to create the terminal within.
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*/
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Terminal.prototype.open = function(parent) {
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var self=this, i=0, div;
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this.parent = parent || this.parent;
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if (!this.parent) {
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throw new Error('Terminal requires a parent element.');
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}
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// Grab global elements
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this.context = this.parent.ownerDocument.defaultView;
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this.document = this.parent.ownerDocument;
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this.body = this.document.getElementsByTagName('body')[0];
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//Create main element container
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this.element = this.document.createElement('div');
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this.element.classList.add('terminal');
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this.element.classList.add('xterm');
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this.element.classList.add('xterm-theme-' + this.theme);
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this.element.style.height
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this.element.setAttribute('tabindex', 0);
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this.viewportElement = document.createElement('div');
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this.viewportElement.classList.add('xterm-viewport');
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this.element.appendChild(this.viewportElement);
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this.viewportScrollArea = document.createElement('div');
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this.viewportScrollArea.classList.add('xterm-scroll-area');
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this.viewportElement.appendChild(this.viewportScrollArea);
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// Create the container that will hold the lines of the terminal and then
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// produce the lines the lines.
|
|
this.rowContainer = document.createElement('div');
|
|
this.rowContainer.classList.add('xterm-rows');
|
|
this.element.appendChild(this.rowContainer);
|
|
this.children = [];
|
|
|
|
// Create the container that will hold helpers like the textarea for
|
|
// capturing DOM Events. Then produce the helpers.
|
|
this.helperContainer = document.createElement('div');
|
|
this.helperContainer.classList.add('xterm-helpers');
|
|
// TODO: This should probably be inserted once it's filled to prevent an additional layout
|
|
this.element.appendChild(this.helperContainer);
|
|
this.textarea = document.createElement('textarea');
|
|
this.textarea.classList.add('xterm-helper-textarea');
|
|
this.textarea.setAttribute('autocorrect', 'off');
|
|
this.textarea.setAttribute('autocapitalize', 'off');
|
|
this.textarea.setAttribute('spellcheck', 'false');
|
|
this.textarea.tabIndex = 0;
|
|
this.textarea.addEventListener('focus', function() {
|
|
self.emit('focus', {terminal: self});
|
|
});
|
|
this.textarea.addEventListener('blur', function() {
|
|
self.emit('blur', {terminal: self});
|
|
});
|
|
this.helperContainer.appendChild(this.textarea);
|
|
|
|
this.compositionView = document.createElement('div');
|
|
this.compositionView.classList.add('composition-view');
|
|
this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);
|
|
this.helperContainer.appendChild(this.compositionView);
|
|
|
|
this.charMeasureElement = document.createElement('div');
|
|
this.charMeasureElement.classList.add('xterm-char-measure-element');
|
|
this.charMeasureElement.innerHTML = 'W';
|
|
this.helperContainer.appendChild(this.charMeasureElement);
|
|
|
|
for (; i < this.rows; i++) {
|
|
this.insertRow();
|
|
}
|
|
this.parent.appendChild(this.element);
|
|
|
|
this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);
|
|
|
|
// Draw the screen.
|
|
this.refresh(0, this.rows - 1);
|
|
|
|
// Initialize global actions that
|
|
// need to be taken on the document.
|
|
this.initGlobal();
|
|
|
|
// Ensure there is a Terminal.focus.
|
|
this.focus();
|
|
|
|
on(this.element, 'click', function() {
|
|
var selection = document.getSelection(),
|
|
collapsed = selection.isCollapsed,
|
|
isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';
|
|
if (!isRange) {
|
|
self.focus();
|
|
}
|
|
});
|
|
|
|
// Listen for mouse events and translate
|
|
// them into terminal mouse protocols.
|
|
this.bindMouse();
|
|
|
|
// Figure out whether boldness affects
|
|
// the character width of monospace fonts.
|
|
if (Terminal.brokenBold == null) {
|
|
Terminal.brokenBold = isBoldBroken(this.document);
|
|
}
|
|
|
|
/**
|
|
* This event is emitted when terminal has completed opening.
|
|
*
|
|
* @event open
|
|
*/
|
|
this.emit('open');
|
|
};
|
|
|
|
|
|
/**
|
|
* Attempts to load an add-on using CommonJS or RequireJS (whichever is available).
|
|
* @param {string} addon The name of the addon to load
|
|
* @static
|
|
*/
|
|
Terminal.loadAddon = function(addon, callback) {
|
|
if (typeof exports === 'object' && typeof module === 'object') {
|
|
// CommonJS
|
|
return require('./addons/' + addon + '/' + addon);
|
|
} else if (typeof define == 'function') {
|
|
// RequireJS
|
|
return require(['./addons/' + addon + '/' + addon], callback);
|
|
} else {
|
|
console.error('Cannot load a module without a CommonJS or RequireJS environment.');
|
|
return false;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* XTerm mouse events
|
|
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking
|
|
* To better understand these
|
|
* the xterm code is very helpful:
|
|
* Relevant files:
|
|
* button.c, charproc.c, misc.c
|
|
* Relevant functions in xterm/button.c:
|
|
* BtnCode, EmitButtonCode, EditorButton, SendMousePosition
|
|
*/
|
|
Terminal.prototype.bindMouse = function() {
|
|
var el = this.element, self = this, pressed = 32;
|
|
|
|
// mouseup, mousedown, wheel
|
|
// left click: ^[[M 3<^[[M#3<
|
|
// wheel up: ^[[M`3>
|
|
function sendButton(ev) {
|
|
var button
|
|
, pos;
|
|
|
|
// get the xterm-style button
|
|
button = getButton(ev);
|
|
|
|
// get mouse coordinates
|
|
pos = getCoords(ev);
|
|
if (!pos) return;
|
|
|
|
sendEvent(button, pos);
|
|
|
|
switch (ev.overrideType || ev.type) {
|
|
case 'mousedown':
|
|
pressed = button;
|
|
break;
|
|
case 'mouseup':
|
|
// keep it at the left
|
|
// button, just in case.
|
|
pressed = 32;
|
|
break;
|
|
case 'wheel':
|
|
// nothing. don't
|
|
// interfere with
|
|
// `pressed`.
|
|
break;
|
|
}
|
|
}
|
|
|
|
// motion example of a left click:
|
|
// ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<
|
|
function sendMove(ev) {
|
|
var button = pressed
|
|
, pos;
|
|
|
|
pos = getCoords(ev);
|
|
if (!pos) return;
|
|
|
|
// buttons marked as motions
|
|
// are incremented by 32
|
|
button += 32;
|
|
|
|
sendEvent(button, pos);
|
|
}
|
|
|
|
// encode button and
|
|
// position to characters
|
|
function encode(data, ch) {
|
|
if (!self.utfMouse) {
|
|
if (ch === 255) return data.push(0);
|
|
if (ch > 127) ch = 127;
|
|
data.push(ch);
|
|
} else {
|
|
if (ch === 2047) return data.push(0);
|
|
if (ch < 127) {
|
|
data.push(ch);
|
|
} else {
|
|
if (ch > 2047) ch = 2047;
|
|
data.push(0xC0 | (ch >> 6));
|
|
data.push(0x80 | (ch & 0x3F));
|
|
}
|
|
}
|
|
}
|
|
|
|
// send a mouse event:
|
|
// regular/utf8: ^[[M Cb Cx Cy
|
|
// urxvt: ^[[ Cb ; Cx ; Cy M
|
|
// sgr: ^[[ Cb ; Cx ; Cy M/m
|
|
// vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r
|
|
// locator: CSI P e ; P b ; P r ; P c ; P p & w
|
|
function sendEvent(button, pos) {
|
|
// self.emit('mouse', {
|
|
// x: pos.x - 32,
|
|
// y: pos.x - 32,
|
|
// button: button
|
|
// });
|
|
|
|
if (self.vt300Mouse) {
|
|
// NOTE: Unstable.
|
|
// http://www.vt100.net/docs/vt3xx-gp/chapter15.html
|
|
button &= 3;
|
|
pos.x -= 32;
|
|
pos.y -= 32;
|
|
var data = '\x1b[24';
|
|
if (button === 0) data += '1';
|
|
else if (button === 1) data += '3';
|
|
else if (button === 2) data += '5';
|
|
else if (button === 3) return;
|
|
else data += '0';
|
|
data += '~[' + pos.x + ',' + pos.y + ']\r';
|
|
self.send(data);
|
|
return;
|
|
}
|
|
|
|
if (self.decLocator) {
|
|
// NOTE: Unstable.
|
|
button &= 3;
|
|
pos.x -= 32;
|
|
pos.y -= 32;
|
|
if (button === 0) button = 2;
|
|
else if (button === 1) button = 4;
|
|
else if (button === 2) button = 6;
|
|
else if (button === 3) button = 3;
|
|
self.send('\x1b['
|
|
+ button
|
|
+ ';'
|
|
+ (button === 3 ? 4 : 0)
|
|
+ ';'
|
|
+ pos.y
|
|
+ ';'
|
|
+ pos.x
|
|
+ ';'
|
|
+ (pos.page || 0)
|
|
+ '&w');
|
|
return;
|
|
}
|
|
|
|
if (self.urxvtMouse) {
|
|
pos.x -= 32;
|
|
pos.y -= 32;
|
|
pos.x++;
|
|
pos.y++;
|
|
self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');
|
|
return;
|
|
}
|
|
|
|
if (self.sgrMouse) {
|
|
pos.x -= 32;
|
|
pos.y -= 32;
|
|
self.send('\x1b[<'
|
|
+ ((button & 3) === 3 ? button & ~3 : button)
|
|
+ ';'
|
|
+ pos.x
|
|
+ ';'
|
|
+ pos.y
|
|
+ ((button & 3) === 3 ? 'm' : 'M'));
|
|
return;
|
|
}
|
|
|
|
var data = [];
|
|
|
|
encode(data, button);
|
|
encode(data, pos.x);
|
|
encode(data, pos.y);
|
|
|
|
self.send('\x1b[M' + String.fromCharCode.apply(String, data));
|
|
}
|
|
|
|
function getButton(ev) {
|
|
var button
|
|
, shift
|
|
, meta
|
|
, ctrl
|
|
, mod;
|
|
|
|
// two low bits:
|
|
// 0 = left
|
|
// 1 = middle
|
|
// 2 = right
|
|
// 3 = release
|
|
// wheel up/down:
|
|
// 1, and 2 - with 64 added
|
|
switch (ev.overrideType || ev.type) {
|
|
case 'mousedown':
|
|
button = ev.button != null
|
|
? +ev.button
|
|
: ev.which != null
|
|
? ev.which - 1
|
|
: null;
|
|
|
|
if (self.browser.isMSIE) {
|
|
button = button === 1 ? 0 : button === 4 ? 1 : button;
|
|
}
|
|
break;
|
|
case 'mouseup':
|
|
button = 3;
|
|
break;
|
|
case 'DOMMouseScroll':
|
|
button = ev.detail < 0
|
|
? 64
|
|
: 65;
|
|
break;
|
|
case 'wheel':
|
|
button = ev.wheelDeltaY > 0
|
|
? 64
|
|
: 65;
|
|
break;
|
|
}
|
|
|
|
// next three bits are the modifiers:
|
|
// 4 = shift, 8 = meta, 16 = control
|
|
shift = ev.shiftKey ? 4 : 0;
|
|
meta = ev.metaKey ? 8 : 0;
|
|
ctrl = ev.ctrlKey ? 16 : 0;
|
|
mod = shift | meta | ctrl;
|
|
|
|
// no mods
|
|
if (self.vt200Mouse) {
|
|
// ctrl only
|
|
mod &= ctrl;
|
|
} else if (!self.normalMouse) {
|
|
mod = 0;
|
|
}
|
|
|
|
// increment to SP
|
|
button = (32 + (mod << 2)) + button;
|
|
|
|
return button;
|
|
}
|
|
|
|
// mouse coordinates measured in cols/rows
|
|
function getCoords(ev) {
|
|
var x, y, w, h, el;
|
|
|
|
// ignore browsers without pageX for now
|
|
if (ev.pageX == null) return;
|
|
|
|
x = ev.pageX;
|
|
y = ev.pageY;
|
|
el = self.element;
|
|
|
|
// should probably check offsetParent
|
|
// but this is more portable
|
|
while (el && el !== self.document.documentElement) {
|
|
x -= el.offsetLeft;
|
|
y -= el.offsetTop;
|
|
el = 'offsetParent' in el
|
|
? el.offsetParent
|
|
: el.parentNode;
|
|
}
|
|
|
|
// convert to cols/rows
|
|
w = self.element.clientWidth;
|
|
h = self.element.clientHeight;
|
|
x = Math.ceil((x / w) * self.cols);
|
|
y = Math.ceil((y / h) * self.rows);
|
|
|
|
// be sure to avoid sending
|
|
// bad positions to the program
|
|
if (x < 0) x = 0;
|
|
if (x > self.cols) x = self.cols;
|
|
if (y < 0) y = 0;
|
|
if (y > self.rows) y = self.rows;
|
|
|
|
// xterm sends raw bytes and
|
|
// starts at 32 (SP) for each.
|
|
x += 32;
|
|
y += 32;
|
|
|
|
return {
|
|
x: x,
|
|
y: y,
|
|
type: 'wheel'
|
|
};
|
|
}
|
|
|
|
on(el, 'mousedown', function(ev) {
|
|
if (!self.mouseEvents) return;
|
|
|
|
// send the button
|
|
sendButton(ev);
|
|
|
|
// ensure focus
|
|
self.focus();
|
|
|
|
// fix for odd bug
|
|
//if (self.vt200Mouse && !self.normalMouse) {
|
|
if (self.vt200Mouse) {
|
|
ev.overrideType = 'mouseup';
|
|
sendButton(ev);
|
|
return self.cancel(ev);
|
|
}
|
|
|
|
// bind events
|
|
if (self.normalMouse) on(self.document, 'mousemove', sendMove);
|
|
|
|
// x10 compatibility mode can't send button releases
|
|
if (!self.x10Mouse) {
|
|
on(self.document, 'mouseup', function up(ev) {
|
|
sendButton(ev);
|
|
if (self.normalMouse) off(self.document, 'mousemove', sendMove);
|
|
off(self.document, 'mouseup', up);
|
|
return self.cancel(ev);
|
|
});
|
|
}
|
|
|
|
return self.cancel(ev);
|
|
});
|
|
|
|
//if (self.normalMouse) {
|
|
// on(self.document, 'mousemove', sendMove);
|
|
//}
|
|
|
|
on(el, 'wheel', function(ev) {
|
|
if (!self.mouseEvents) return;
|
|
if (self.x10Mouse
|
|
|| self.vt300Mouse
|
|
|| self.decLocator) return;
|
|
sendButton(ev);
|
|
return self.cancel(ev);
|
|
});
|
|
|
|
// allow wheel scrolling in
|
|
// the shell for example
|
|
on(el, 'wheel', function(ev) {
|
|
if (self.mouseEvents) return;
|
|
self.viewport.onWheel(ev);
|
|
return self.cancel(ev);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Destroys the terminal.
|
|
*/
|
|
Terminal.prototype.destroy = function() {
|
|
this.readable = false;
|
|
this.writable = false;
|
|
this._events = {};
|
|
this.handler = function() {};
|
|
this.write = function() {};
|
|
if (this.element.parentNode) {
|
|
this.element.parentNode.removeChild(this.element);
|
|
}
|
|
//this.emit('close');
|
|
};
|
|
|
|
|
|
/**
|
|
* Flags used to render terminal text properly
|
|
*/
|
|
Terminal.flags = {
|
|
BOLD: 1,
|
|
UNDERLINE: 2,
|
|
BLINK: 4,
|
|
INVERSE: 8,
|
|
INVISIBLE: 16
|
|
}
|
|
|
|
/**
|
|
* Refreshes (re-renders) terminal content within two rows (inclusive)
|
|
*
|
|
* Rendering Engine:
|
|
*
|
|
* In the screen buffer, each character is stored as a an array with a character
|
|
* and a 32-bit integer:
|
|
* - First value: a utf-16 character.
|
|
* - Second value:
|
|
* - Next 9 bits: background color (0-511).
|
|
* - Next 9 bits: foreground color (0-511).
|
|
* - Next 14 bits: a mask for misc. flags:
|
|
* - 1=bold
|
|
* - 2=underline
|
|
* - 4=blink
|
|
* - 8=inverse
|
|
* - 16=invisible
|
|
*
|
|
* @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
|
|
* @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
|
|
* @param {boolean} queue Whether the refresh should ran right now or be queued
|
|
*/
|
|
Terminal.prototype.refresh = function(start, end, queue) {
|
|
var self = this;
|
|
|
|
// queue defaults to true
|
|
queue = (typeof queue == 'undefined') ? true : queue;
|
|
|
|
/**
|
|
* The refresh queue allows refresh to execute only approximately 30 times a second. For
|
|
* commands that pass a significant amount of output to the write function, this prevents the
|
|
* terminal from maxing out the CPU and making the UI unresponsive. While commands can still
|
|
* run beyond what they do on the terminal, it is far better with a debounce in place as
|
|
* every single terminal manipulation does not need to be constructed in the DOM.
|
|
*
|
|
* A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
|
|
*/
|
|
if (queue) {
|
|
// If refresh should be queued, order the refresh and return.
|
|
if (this._refreshIsQueued) {
|
|
// If a refresh has already been queued, just order a full refresh next
|
|
this._fullRefreshNext = true;
|
|
} else {
|
|
setTimeout(function () {
|
|
self.refresh(start, end, false);
|
|
}, 34)
|
|
this._refreshIsQueued = true;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// If refresh should be run right now (not be queued), release the lock
|
|
this._refreshIsQueued = false;
|
|
|
|
// If multiple refreshes were requested, make a full refresh.
|
|
if (this._fullRefreshNext) {
|
|
start = 0;
|
|
end = this.rows - 1;
|
|
this._fullRefreshNext = false // reset lock
|
|
}
|
|
|
|
var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;
|
|
|
|
// If this is a big refresh, remove the terminal rows from the DOM for faster calculations
|
|
if (end - start >= this.rows / 2) {
|
|
parent = this.element.parentNode;
|
|
if (parent) {
|
|
this.element.removeChild(this.rowContainer);
|
|
}
|
|
}
|
|
|
|
width = this.cols;
|
|
y = start;
|
|
|
|
if (end >= this.rows.length) {
|
|
this.log('`end` is too large. Most likely a bad CSR.');
|
|
end = this.rows.length - 1;
|
|
}
|
|
|
|
for (; y <= end; y++) {
|
|
row = y + this.ydisp;
|
|
|
|
line = this.lines[row];
|
|
out = '';
|
|
|
|
if (this.y === y - (this.ybase - this.ydisp)
|
|
&& this.cursorState
|
|
&& !this.cursorHidden) {
|
|
x = this.x;
|
|
} else {
|
|
x = -1;
|
|
}
|
|
|
|
attr = this.defAttr;
|
|
i = 0;
|
|
|
|
for (; i < width; i++) {
|
|
data = line[i][0];
|
|
ch = line[i][1];
|
|
ch_width = line[i][2];
|
|
if (!ch_width)
|
|
continue;
|
|
|
|
if (i === x) data = -1;
|
|
|
|
if (data !== attr) {
|
|
if (attr !== this.defAttr) {
|
|
out += '</span>';
|
|
}
|
|
if (data !== this.defAttr) {
|
|
if (data === -1) {
|
|
out += '<span class="reverse-video terminal-cursor';
|
|
if (this.cursorBlink) {
|
|
out += ' blinking';
|
|
}
|
|
out += '">';
|
|
} else {
|
|
var classNames = [];
|
|
|
|
bg = data & 0x1ff;
|
|
fg = (data >> 9) & 0x1ff;
|
|
flags = data >> 18;
|
|
|
|
if (flags & Terminal.flags.BOLD) {
|
|
if (!Terminal.brokenBold) {
|
|
classNames.push('xterm-bold');
|
|
}
|
|
// See: XTerm*boldColors
|
|
if (fg < 8) fg += 8;
|
|
}
|
|
|
|
if (flags & Terminal.flags.UNDERLINE) {
|
|
classNames.push('xterm-underline');
|
|
}
|
|
|
|
if (flags & Terminal.flags.BLINK) {
|
|
classNames.push('xterm-blink');
|
|
}
|
|
|
|
// If inverse flag is on, then swap the foreground and background variables.
|
|
if (flags & Terminal.flags.INVERSE) {
|
|
/* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */
|
|
bg = [fg, fg = bg][0];
|
|
// Should inverse just be before the
|
|
// above boldColors effect instead?
|
|
if ((flags & 1) && fg < 8) fg += 8;
|
|
}
|
|
|
|
if (flags & Terminal.flags.INVISIBLE) {
|
|
classNames.push('xterm-hidden');
|
|
}
|
|
|
|
/**
|
|
* Weird situation: Invert flag used black foreground and white background results
|
|
* in invalid background color, positioned at the 256 index of the 256 terminal
|
|
* color map. Pin the colors manually in such a case.
|
|
*
|
|
* Source: https://github.com/sourcelair/xterm.js/issues/57
|
|
*/
|
|
if (flags & Terminal.flags.INVERSE) {
|
|
if (bg == 257) {
|
|
bg = 15;
|
|
}
|
|
if (fg == 256) {
|
|
fg = 0;
|
|
}
|
|
}
|
|
|
|
if (bg < 256) {
|
|
classNames.push('xterm-bg-color-' + bg);
|
|
}
|
|
|
|
if (fg < 256) {
|
|
classNames.push('xterm-color-' + fg);
|
|
}
|
|
|
|
out += '<span';
|
|
if (classNames.length) {
|
|
out += ' class="' + classNames.join(' ') + '"';
|
|
}
|
|
out += '>';
|
|
}
|
|
}
|
|
}
|
|
|
|
switch (ch) {
|
|
case '&':
|
|
out += '&';
|
|
break;
|
|
case '<':
|
|
out += '<';
|
|
break;
|
|
case '>':
|
|
out += '>';
|
|
break;
|
|
default:
|
|
if (ch <= ' ') {
|
|
out += ' ';
|
|
} else {
|
|
out += ch;
|
|
}
|
|
break;
|
|
}
|
|
|
|
attr = data;
|
|
}
|
|
|
|
if (attr !== this.defAttr) {
|
|
out += '</span>';
|
|
}
|
|
|
|
this.children[y].innerHTML = out;
|
|
}
|
|
|
|
if (parent) {
|
|
this.element.appendChild(this.rowContainer);
|
|
}
|
|
|
|
this.emit('refresh', {element: this.element, start: start, end: end});
|
|
};
|
|
|
|
/**
|
|
* Display the cursor element
|
|
*/
|
|
Terminal.prototype.showCursor = function() {
|
|
if (!this.cursorState) {
|
|
this.cursorState = 1;
|
|
this.refresh(this.y, this.y);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Scroll the terminal
|
|
*/
|
|
Terminal.prototype.scroll = function() {
|
|
var row;
|
|
|
|
if (++this.ybase === this.scrollback) {
|
|
this.ybase = this.ybase / 2 | 0;
|
|
this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);
|
|
}
|
|
|
|
if (!this.userScrolling) {
|
|
this.ydisp = this.ybase;
|
|
}
|
|
|
|
// last line
|
|
row = this.ybase + this.rows - 1;
|
|
|
|
// subtract the bottom scroll region
|
|
row -= this.rows - 1 - this.scrollBottom;
|
|
|
|
if (row === this.lines.length) {
|
|
// potential optimization:
|
|
// pushing is faster than splicing
|
|
// when they amount to the same
|
|
// behavior.
|
|
this.lines.push(this.blankLine());
|
|
} else {
|
|
// add our new line
|
|
this.lines.splice(row, 0, this.blankLine());
|
|
}
|
|
|
|
if (this.scrollTop !== 0) {
|
|
if (this.ybase !== 0) {
|
|
this.ybase--;
|
|
if (!this.userScrolling) {
|
|
this.ydisp = this.ybase;
|
|
}
|
|
}
|
|
this.lines.splice(this.ybase + this.scrollTop, 1);
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(this.scrollTop);
|
|
this.updateRange(this.scrollBottom);
|
|
|
|
/**
|
|
* This event is emitted whenever the terminal is scrolled.
|
|
* The one parameter passed is the new y display position.
|
|
*
|
|
* @event scroll
|
|
*/
|
|
this.emit('scroll', this.ydisp);
|
|
};
|
|
|
|
/**
|
|
* Scroll the display of the terminal
|
|
* @param {number} disp The number of lines to scroll down (negatives scroll up).
|
|
* @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used
|
|
* to avoid unwanted events being handled by the veiwport when the event was triggered from the
|
|
* viewport originally.
|
|
*/
|
|
Terminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {
|
|
if (disp < 0) {
|
|
this.userScrolling = true;
|
|
} else if (disp + this.ydisp >= this.ybase) {
|
|
this.userScrolling = false;
|
|
}
|
|
|
|
this.ydisp += disp;
|
|
|
|
if (this.ydisp > this.ybase) {
|
|
this.ydisp = this.ybase;
|
|
} else if (this.ydisp < 0) {
|
|
this.ydisp = 0;
|
|
}
|
|
|
|
if (!suppressScrollEvent) {
|
|
this.emit('scroll', this.ydisp);
|
|
}
|
|
|
|
this.refresh(0, this.rows - 1);
|
|
};
|
|
|
|
/**
|
|
* Scroll the display of the terminal by a number of pages.
|
|
* @param {number} pageCount The number of pages to scroll (negative scrolls up).
|
|
*/
|
|
Terminal.prototype.scrollPages = function(pageCount) {
|
|
this.scrollDisp(pageCount * (this.rows - 1));
|
|
}
|
|
|
|
/**
|
|
* Scrolls the display of the terminal to the top.
|
|
*/
|
|
Terminal.prototype.scrollToTop = function() {
|
|
this.scrollDisp(-this.ydisp);
|
|
}
|
|
|
|
/**
|
|
* Scrolls the display of the terminal to the bottom.
|
|
*/
|
|
Terminal.prototype.scrollToBottom = function() {
|
|
this.scrollDisp(this.ybase - this.ydisp);
|
|
}
|
|
|
|
/**
|
|
* Writes text to the terminal.
|
|
* @param {string} text The text to write to the terminal.
|
|
*/
|
|
Terminal.prototype.write = function(data) {
|
|
var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
|
|
|
|
this.refreshStart = this.y;
|
|
this.refreshEnd = this.y;
|
|
|
|
// apply leftover surrogate high from last write
|
|
if (this.surrogate_high) {
|
|
data = this.surrogate_high + data;
|
|
this.surrogate_high = '';
|
|
}
|
|
|
|
for (; i < l; i++) {
|
|
ch = data[i];
|
|
|
|
// FIXME: higher chars than 0xa0 are not allowed in escape sequences
|
|
// --> maybe move to default
|
|
code = data.charCodeAt(i);
|
|
if (0xD800 <= code && code <= 0xDBFF) {
|
|
// we got a surrogate high
|
|
// get surrogate low (next 2 bytes)
|
|
low = data.charCodeAt(i+1);
|
|
if (isNaN(low)) {
|
|
// end of data stream, save surrogate high
|
|
this.surrogate_high = ch;
|
|
continue;
|
|
}
|
|
code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
|
|
ch += data.charAt(i+1);
|
|
}
|
|
// surrogate low - already handled above
|
|
if (0xDC00 <= code && code <= 0xDFFF)
|
|
continue;
|
|
|
|
switch (this.state) {
|
|
case normal:
|
|
switch (ch) {
|
|
case '\x07':
|
|
this.bell();
|
|
break;
|
|
|
|
// '\n', '\v', '\f'
|
|
case '\n':
|
|
case '\x0b':
|
|
case '\x0c':
|
|
if (this.convertEol) {
|
|
this.x = 0;
|
|
}
|
|
this.y++;
|
|
if (this.y > this.scrollBottom) {
|
|
this.y--;
|
|
this.scroll();
|
|
}
|
|
break;
|
|
|
|
// '\r'
|
|
case '\r':
|
|
this.x = 0;
|
|
break;
|
|
|
|
// '\b'
|
|
case '\x08':
|
|
if (this.x > 0) {
|
|
this.x--;
|
|
}
|
|
break;
|
|
|
|
// '\t'
|
|
case '\t':
|
|
this.x = this.nextStop();
|
|
break;
|
|
|
|
// shift out
|
|
case '\x0e':
|
|
this.setgLevel(1);
|
|
break;
|
|
|
|
// shift in
|
|
case '\x0f':
|
|
this.setgLevel(0);
|
|
break;
|
|
|
|
// '\e'
|
|
case '\x1b':
|
|
this.state = escaped;
|
|
break;
|
|
|
|
default:
|
|
// ' '
|
|
// calculate print space
|
|
// expensive call, therefore we save width in line buffer
|
|
ch_width = wcwidth(code);
|
|
|
|
if (ch >= ' ') {
|
|
if (this.charset && this.charset[ch]) {
|
|
ch = this.charset[ch];
|
|
}
|
|
|
|
row = this.y + this.ybase;
|
|
|
|
// insert combining char in last cell
|
|
// FIXME: needs handling after cursor jumps
|
|
if (!ch_width && this.x) {
|
|
|
|
// dont overflow left
|
|
if (this.lines[row][this.x-1]) {
|
|
if (!this.lines[row][this.x-1][2]) {
|
|
|
|
// found empty cell after fullwidth, need to go 2 cells back
|
|
if (this.lines[row][this.x-2])
|
|
this.lines[row][this.x-2][1] += ch;
|
|
|
|
} else {
|
|
this.lines[row][this.x-1][1] += ch;
|
|
}
|
|
this.updateRange(this.y);
|
|
}
|
|
break;
|
|
}
|
|
|
|
// goto next line if ch would overflow
|
|
// TODO: needs a global min terminal width of 2
|
|
if (this.x+ch_width-1 >= this.cols) {
|
|
// autowrap - DECAWM
|
|
if (this.wraparoundMode) {
|
|
this.x = 0;
|
|
this.y++;
|
|
if (this.y > this.scrollBottom) {
|
|
this.y--;
|
|
this.scroll();
|
|
}
|
|
} else {
|
|
this.x = this.cols-1;
|
|
if(ch_width===2) // FIXME: check for xterm behavior
|
|
continue;
|
|
}
|
|
}
|
|
row = this.y + this.ybase;
|
|
|
|
// insert mode: move characters to right
|
|
if (this.insertMode) {
|
|
// do this twice for a fullwidth char
|
|
for (var moves=0; moves<ch_width; ++moves) {
|
|
// remove last cell, if it's width is 0
|
|
// we have to adjust the second last cell as well
|
|
var removed = this.lines[this.y + this.ybase].pop();
|
|
if (removed[2]===0
|
|
&& this.lines[row][this.cols-2]
|
|
&& this.lines[row][this.cols-2][2]===2)
|
|
this.lines[row][this.cols-2] = [this.curAttr, ' ', 1];
|
|
|
|
// insert empty cell at cursor
|
|
this.lines[row].splice(this.x, 0, [this.curAttr, ' ', 1]);
|
|
}
|
|
}
|
|
|
|
this.lines[row][this.x] = [this.curAttr, ch, ch_width];
|
|
this.x++;
|
|
this.updateRange(this.y);
|
|
|
|
// fullwidth char - set next cell width to zero and advance cursor
|
|
if (ch_width===2) {
|
|
this.lines[row][this.x] = [this.curAttr, '', 0];
|
|
this.x++;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case escaped:
|
|
switch (ch) {
|
|
// ESC [ Control Sequence Introducer ( CSI is 0x9b).
|
|
case '[':
|
|
this.params = [];
|
|
this.currentParam = 0;
|
|
this.state = csi;
|
|
break;
|
|
|
|
// ESC ] Operating System Command ( OSC is 0x9d).
|
|
case ']':
|
|
this.params = [];
|
|
this.currentParam = 0;
|
|
this.state = osc;
|
|
break;
|
|
|
|
// ESC P Device Control String ( DCS is 0x90).
|
|
case 'P':
|
|
this.params = [];
|
|
this.currentParam = 0;
|
|
this.state = dcs;
|
|
break;
|
|
|
|
// ESC _ Application Program Command ( APC is 0x9f).
|
|
case '_':
|
|
this.state = ignore;
|
|
break;
|
|
|
|
// ESC ^ Privacy Message ( PM is 0x9e).
|
|
case '^':
|
|
this.state = ignore;
|
|
break;
|
|
|
|
// ESC c Full Reset (RIS).
|
|
case 'c':
|
|
this.reset();
|
|
break;
|
|
|
|
// ESC E Next Line ( NEL is 0x85).
|
|
// ESC D Index ( IND is 0x84).
|
|
case 'E':
|
|
this.x = 0;
|
|
;
|
|
case 'D':
|
|
this.index();
|
|
break;
|
|
|
|
// ESC M Reverse Index ( RI is 0x8d).
|
|
case 'M':
|
|
this.reverseIndex();
|
|
break;
|
|
|
|
// ESC % Select default/utf-8 character set.
|
|
// @ = default, G = utf-8
|
|
case '%':
|
|
//this.charset = null;
|
|
this.setgLevel(0);
|
|
this.setgCharset(0, Terminal.charsets.US);
|
|
this.state = normal;
|
|
i++;
|
|
break;
|
|
|
|
// ESC (,),*,+,-,. Designate G0-G2 Character Set.
|
|
case '(': // <-- this seems to get all the attention
|
|
case ')':
|
|
case '*':
|
|
case '+':
|
|
case '-':
|
|
case '.':
|
|
switch (ch) {
|
|
case '(':
|
|
this.gcharset = 0;
|
|
break;
|
|
case ')':
|
|
this.gcharset = 1;
|
|
break;
|
|
case '*':
|
|
this.gcharset = 2;
|
|
break;
|
|
case '+':
|
|
this.gcharset = 3;
|
|
break;
|
|
case '-':
|
|
this.gcharset = 1;
|
|
break;
|
|
case '.':
|
|
this.gcharset = 2;
|
|
break;
|
|
}
|
|
this.state = charset;
|
|
break;
|
|
|
|
// Designate G3 Character Set (VT300).
|
|
// A = ISO Latin-1 Supplemental.
|
|
// Not implemented.
|
|
case '/':
|
|
this.gcharset = 3;
|
|
this.state = charset;
|
|
i--;
|
|
break;
|
|
|
|
// ESC N
|
|
// Single Shift Select of G2 Character Set
|
|
// ( SS2 is 0x8e). This affects next character only.
|
|
case 'N':
|
|
break;
|
|
// ESC O
|
|
// Single Shift Select of G3 Character Set
|
|
// ( SS3 is 0x8f). This affects next character only.
|
|
case 'O':
|
|
break;
|
|
// ESC n
|
|
// Invoke the G2 Character Set as GL (LS2).
|
|
case 'n':
|
|
this.setgLevel(2);
|
|
break;
|
|
// ESC o
|
|
// Invoke the G3 Character Set as GL (LS3).
|
|
case 'o':
|
|
this.setgLevel(3);
|
|
break;
|
|
// ESC |
|
|
// Invoke the G3 Character Set as GR (LS3R).
|
|
case '|':
|
|
this.setgLevel(3);
|
|
break;
|
|
// ESC }
|
|
// Invoke the G2 Character Set as GR (LS2R).
|
|
case '}':
|
|
this.setgLevel(2);
|
|
break;
|
|
// ESC ~
|
|
// Invoke the G1 Character Set as GR (LS1R).
|
|
case '~':
|
|
this.setgLevel(1);
|
|
break;
|
|
|
|
// ESC 7 Save Cursor (DECSC).
|
|
case '7':
|
|
this.saveCursor();
|
|
this.state = normal;
|
|
break;
|
|
|
|
// ESC 8 Restore Cursor (DECRC).
|
|
case '8':
|
|
this.restoreCursor();
|
|
this.state = normal;
|
|
break;
|
|
|
|
// ESC # 3 DEC line height/width
|
|
case '#':
|
|
this.state = normal;
|
|
i++;
|
|
break;
|
|
|
|
// ESC H Tab Set (HTS is 0x88).
|
|
case 'H':
|
|
this.tabSet();
|
|
break;
|
|
|
|
// ESC = Application Keypad (DECKPAM).
|
|
case '=':
|
|
this.log('Serial port requested application keypad.');
|
|
this.applicationKeypad = true;
|
|
this.viewport.syncScrollArea();
|
|
this.state = normal;
|
|
break;
|
|
|
|
// ESC > Normal Keypad (DECKPNM).
|
|
case '>':
|
|
this.log('Switching back to normal keypad.');
|
|
this.applicationKeypad = false;
|
|
this.viewport.syncScrollArea();
|
|
this.state = normal;
|
|
break;
|
|
|
|
default:
|
|
this.state = normal;
|
|
this.error('Unknown ESC control: %s.', ch);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case charset:
|
|
switch (ch) {
|
|
case '0': // DEC Special Character and Line Drawing Set.
|
|
cs = Terminal.charsets.SCLD;
|
|
break;
|
|
case 'A': // UK
|
|
cs = Terminal.charsets.UK;
|
|
break;
|
|
case 'B': // United States (USASCII).
|
|
cs = Terminal.charsets.US;
|
|
break;
|
|
case '4': // Dutch
|
|
cs = Terminal.charsets.Dutch;
|
|
break;
|
|
case 'C': // Finnish
|
|
case '5':
|
|
cs = Terminal.charsets.Finnish;
|
|
break;
|
|
case 'R': // French
|
|
cs = Terminal.charsets.French;
|
|
break;
|
|
case 'Q': // FrenchCanadian
|
|
cs = Terminal.charsets.FrenchCanadian;
|
|
break;
|
|
case 'K': // German
|
|
cs = Terminal.charsets.German;
|
|
break;
|
|
case 'Y': // Italian
|
|
cs = Terminal.charsets.Italian;
|
|
break;
|
|
case 'E': // NorwegianDanish
|
|
case '6':
|
|
cs = Terminal.charsets.NorwegianDanish;
|
|
break;
|
|
case 'Z': // Spanish
|
|
cs = Terminal.charsets.Spanish;
|
|
break;
|
|
case 'H': // Swedish
|
|
case '7':
|
|
cs = Terminal.charsets.Swedish;
|
|
break;
|
|
case '=': // Swiss
|
|
cs = Terminal.charsets.Swiss;
|
|
break;
|
|
case '/': // ISOLatin (actually /A)
|
|
cs = Terminal.charsets.ISOLatin;
|
|
i++;
|
|
break;
|
|
default: // Default
|
|
cs = Terminal.charsets.US;
|
|
break;
|
|
}
|
|
this.setgCharset(this.gcharset, cs);
|
|
this.gcharset = null;
|
|
this.state = normal;
|
|
break;
|
|
|
|
case osc:
|
|
// OSC Ps ; Pt ST
|
|
// OSC Ps ; Pt BEL
|
|
// Set Text Parameters.
|
|
if (ch === '\x1b' || ch === '\x07') {
|
|
if (ch === '\x1b') i++;
|
|
|
|
this.params.push(this.currentParam);
|
|
|
|
switch (this.params[0]) {
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
if (this.params[1]) {
|
|
this.title = this.params[1];
|
|
this.handleTitle(this.title);
|
|
}
|
|
break;
|
|
case 3:
|
|
// set X property
|
|
break;
|
|
case 4:
|
|
case 5:
|
|
// change dynamic colors
|
|
break;
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
case 13:
|
|
case 14:
|
|
case 15:
|
|
case 16:
|
|
case 17:
|
|
case 18:
|
|
case 19:
|
|
// change dynamic ui colors
|
|
break;
|
|
case 46:
|
|
// change log file
|
|
break;
|
|
case 50:
|
|
// dynamic font
|
|
break;
|
|
case 51:
|
|
// emacs shell
|
|
break;
|
|
case 52:
|
|
// manipulate selection data
|
|
break;
|
|
case 104:
|
|
case 105:
|
|
case 110:
|
|
case 111:
|
|
case 112:
|
|
case 113:
|
|
case 114:
|
|
case 115:
|
|
case 116:
|
|
case 117:
|
|
case 118:
|
|
// reset colors
|
|
break;
|
|
}
|
|
|
|
this.params = [];
|
|
this.currentParam = 0;
|
|
this.state = normal;
|
|
} else {
|
|
if (!this.params.length) {
|
|
if (ch >= '0' && ch <= '9') {
|
|
this.currentParam =
|
|
this.currentParam * 10 + ch.charCodeAt(0) - 48;
|
|
} else if (ch === ';') {
|
|
this.params.push(this.currentParam);
|
|
this.currentParam = '';
|
|
}
|
|
} else {
|
|
this.currentParam += ch;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case csi:
|
|
// '?', '>', '!'
|
|
if (ch === '?' || ch === '>' || ch === '!') {
|
|
this.prefix = ch;
|
|
break;
|
|
}
|
|
|
|
// 0 - 9
|
|
if (ch >= '0' && ch <= '9') {
|
|
this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
|
|
break;
|
|
}
|
|
|
|
// '$', '"', ' ', '\''
|
|
if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
|
|
this.postfix = ch;
|
|
break;
|
|
}
|
|
|
|
this.params.push(this.currentParam);
|
|
this.currentParam = 0;
|
|
|
|
// ';'
|
|
if (ch === ';') break;
|
|
|
|
this.state = normal;
|
|
|
|
switch (ch) {
|
|
// CSI Ps A
|
|
// Cursor Up Ps Times (default = 1) (CUU).
|
|
case 'A':
|
|
this.cursorUp(this.params);
|
|
break;
|
|
|
|
// CSI Ps B
|
|
// Cursor Down Ps Times (default = 1) (CUD).
|
|
case 'B':
|
|
this.cursorDown(this.params);
|
|
break;
|
|
|
|
// CSI Ps C
|
|
// Cursor Forward Ps Times (default = 1) (CUF).
|
|
case 'C':
|
|
this.cursorForward(this.params);
|
|
break;
|
|
|
|
// CSI Ps D
|
|
// Cursor Backward Ps Times (default = 1) (CUB).
|
|
case 'D':
|
|
this.cursorBackward(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps H
|
|
// Cursor Position [row;column] (default = [1,1]) (CUP).
|
|
case 'H':
|
|
this.cursorPos(this.params);
|
|
break;
|
|
|
|
// CSI Ps J Erase in Display (ED).
|
|
case 'J':
|
|
this.eraseInDisplay(this.params);
|
|
break;
|
|
|
|
// CSI Ps K Erase in Line (EL).
|
|
case 'K':
|
|
this.eraseInLine(this.params);
|
|
break;
|
|
|
|
// CSI Pm m Character Attributes (SGR).
|
|
case 'm':
|
|
if (!this.prefix) {
|
|
this.charAttributes(this.params);
|
|
}
|
|
break;
|
|
|
|
// CSI Ps n Device Status Report (DSR).
|
|
case 'n':
|
|
if (!this.prefix) {
|
|
this.deviceStatus(this.params);
|
|
}
|
|
break;
|
|
|
|
/**
|
|
* Additions
|
|
*/
|
|
|
|
// CSI Ps @
|
|
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
|
|
case '@':
|
|
this.insertChars(this.params);
|
|
break;
|
|
|
|
// CSI Ps E
|
|
// Cursor Next Line Ps Times (default = 1) (CNL).
|
|
case 'E':
|
|
this.cursorNextLine(this.params);
|
|
break;
|
|
|
|
// CSI Ps F
|
|
// Cursor Preceding Line Ps Times (default = 1) (CNL).
|
|
case 'F':
|
|
this.cursorPrecedingLine(this.params);
|
|
break;
|
|
|
|
// CSI Ps G
|
|
// Cursor Character Absolute [column] (default = [row,1]) (CHA).
|
|
case 'G':
|
|
this.cursorCharAbsolute(this.params);
|
|
break;
|
|
|
|
// CSI Ps L
|
|
// Insert Ps Line(s) (default = 1) (IL).
|
|
case 'L':
|
|
this.insertLines(this.params);
|
|
break;
|
|
|
|
// CSI Ps M
|
|
// Delete Ps Line(s) (default = 1) (DL).
|
|
case 'M':
|
|
this.deleteLines(this.params);
|
|
break;
|
|
|
|
// CSI Ps P
|
|
// Delete Ps Character(s) (default = 1) (DCH).
|
|
case 'P':
|
|
this.deleteChars(this.params);
|
|
break;
|
|
|
|
// CSI Ps X
|
|
// Erase Ps Character(s) (default = 1) (ECH).
|
|
case 'X':
|
|
this.eraseChars(this.params);
|
|
break;
|
|
|
|
// CSI Pm ` Character Position Absolute
|
|
// [column] (default = [row,1]) (HPA).
|
|
case '`':
|
|
this.charPosAbsolute(this.params);
|
|
break;
|
|
|
|
// 141 61 a * HPR -
|
|
// Horizontal Position Relative
|
|
case 'a':
|
|
this.HPositionRelative(this.params);
|
|
break;
|
|
|
|
// CSI P s c
|
|
// Send Device Attributes (Primary DA).
|
|
// CSI > P s c
|
|
// Send Device Attributes (Secondary DA)
|
|
case 'c':
|
|
this.sendDeviceAttributes(this.params);
|
|
break;
|
|
|
|
// CSI Pm d
|
|
// Line Position Absolute [row] (default = [1,column]) (VPA).
|
|
case 'd':
|
|
this.linePosAbsolute(this.params);
|
|
break;
|
|
|
|
// 145 65 e * VPR - Vertical Position Relative
|
|
case 'e':
|
|
this.VPositionRelative(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps f
|
|
// Horizontal and Vertical Position [row;column] (default =
|
|
// [1,1]) (HVP).
|
|
case 'f':
|
|
this.HVPosition(this.params);
|
|
break;
|
|
|
|
// CSI Pm h Set Mode (SM).
|
|
// CSI ? Pm h - mouse escape codes, cursor escape codes
|
|
case 'h':
|
|
this.setMode(this.params);
|
|
break;
|
|
|
|
// CSI Pm l Reset Mode (RM).
|
|
// CSI ? Pm l
|
|
case 'l':
|
|
this.resetMode(this.params);
|
|
break;
|
|
|
|
// CSI Ps ; Ps r
|
|
// Set Scrolling Region [top;bottom] (default = full size of win-
|
|
// dow) (DECSTBM).
|
|
// CSI ? Pm r
|
|
case 'r':
|
|
this.setScrollRegion(this.params);
|
|
break;
|
|
|
|
// CSI s
|
|
// Save cursor (ANSI.SYS).
|
|
case 's':
|
|
this.saveCursor(this.params);
|
|
break;
|
|
|
|
// CSI u
|
|
// Restore cursor (ANSI.SYS).
|
|
case 'u':
|
|
this.restoreCursor(this.params);
|
|
break;
|
|
|
|
/**
|
|
* Lesser Used
|
|
*/
|
|
|
|
// CSI Ps I
|
|
// Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
|
|
case 'I':
|
|
this.cursorForwardTab(this.params);
|
|
break;
|
|
|
|
// CSI Ps S Scroll up Ps lines (default = 1) (SU).
|
|
case 'S':
|
|
this.scrollUp(this.params);
|
|
break;
|
|
|
|
// CSI Ps T Scroll down Ps lines (default = 1) (SD).
|
|
// CSI Ps ; Ps ; Ps ; Ps ; Ps T
|
|
// CSI > Ps; Ps T
|
|
case 'T':
|
|
// if (this.prefix === '>') {
|
|
// this.resetTitleModes(this.params);
|
|
// break;
|
|
// }
|
|
// if (this.params.length > 2) {
|
|
// this.initMouseTracking(this.params);
|
|
// break;
|
|
// }
|
|
if (this.params.length < 2 && !this.prefix) {
|
|
this.scrollDown(this.params);
|
|
}
|
|
break;
|
|
|
|
// CSI Ps Z
|
|
// Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
|
|
case 'Z':
|
|
this.cursorBackwardTab(this.params);
|
|
break;
|
|
|
|
// CSI Ps b Repeat the preceding graphic character Ps times (REP).
|
|
case 'b':
|
|
this.repeatPrecedingCharacter(this.params);
|
|
break;
|
|
|
|
// CSI Ps g Tab Clear (TBC).
|
|
case 'g':
|
|
this.tabClear(this.params);
|
|
break;
|
|
|
|
// CSI Pm i Media Copy (MC).
|
|
// CSI ? Pm i
|
|
// case 'i':
|
|
// this.mediaCopy(this.params);
|
|
// break;
|
|
|
|
// CSI Pm m Character Attributes (SGR).
|
|
// CSI > Ps; Ps m
|
|
// case 'm': // duplicate
|
|
// if (this.prefix === '>') {
|
|
// this.setResources(this.params);
|
|
// } else {
|
|
// this.charAttributes(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps n Device Status Report (DSR).
|
|
// CSI > Ps n
|
|
// case 'n': // duplicate
|
|
// if (this.prefix === '>') {
|
|
// this.disableModifiers(this.params);
|
|
// } else {
|
|
// this.deviceStatus(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI > Ps p Set pointer mode.
|
|
// CSI ! p Soft terminal reset (DECSTR).
|
|
// CSI Ps$ p
|
|
// Request ANSI mode (DECRQM).
|
|
// CSI ? Ps$ p
|
|
// Request DEC private mode (DECRQM).
|
|
// CSI Ps ; Ps " p
|
|
case 'p':
|
|
switch (this.prefix) {
|
|
// case '>':
|
|
// this.setPointerMode(this.params);
|
|
// break;
|
|
case '!':
|
|
this.softReset(this.params);
|
|
break;
|
|
// case '?':
|
|
// if (this.postfix === '$') {
|
|
// this.requestPrivateMode(this.params);
|
|
// }
|
|
// break;
|
|
// default:
|
|
// if (this.postfix === '"') {
|
|
// this.setConformanceLevel(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.requestAnsiMode(this.params);
|
|
// }
|
|
// break;
|
|
}
|
|
break;
|
|
|
|
// CSI Ps q Load LEDs (DECLL).
|
|
// CSI Ps SP q
|
|
// CSI Ps " q
|
|
// case 'q':
|
|
// if (this.postfix === ' ') {
|
|
// this.setCursorStyle(this.params);
|
|
// break;
|
|
// }
|
|
// if (this.postfix === '"') {
|
|
// this.setCharProtectionAttr(this.params);
|
|
// break;
|
|
// }
|
|
// this.loadLEDs(this.params);
|
|
// break;
|
|
|
|
// CSI Ps ; Ps r
|
|
// Set Scrolling Region [top;bottom] (default = full size of win-
|
|
// dow) (DECSTBM).
|
|
// CSI ? Pm r
|
|
// CSI Pt; Pl; Pb; Pr; Ps$ r
|
|
// case 'r': // duplicate
|
|
// if (this.prefix === '?') {
|
|
// this.restorePrivateValues(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.setAttrInRectangle(this.params);
|
|
// } else {
|
|
// this.setScrollRegion(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI s Save cursor (ANSI.SYS).
|
|
// CSI ? Pm s
|
|
// case 's': // duplicate
|
|
// if (this.prefix === '?') {
|
|
// this.savePrivateValues(this.params);
|
|
// } else {
|
|
// this.saveCursor(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ; Ps ; Ps t
|
|
// CSI Pt; Pl; Pb; Pr; Ps$ t
|
|
// CSI > Ps; Ps t
|
|
// CSI Ps SP t
|
|
// case 't':
|
|
// if (this.postfix === '$') {
|
|
// this.reverseAttrInRectangle(this.params);
|
|
// } else if (this.postfix === ' ') {
|
|
// this.setWarningBellVolume(this.params);
|
|
// } else {
|
|
// if (this.prefix === '>') {
|
|
// this.setTitleModeFeature(this.params);
|
|
// } else {
|
|
// this.manipulateWindow(this.params);
|
|
// }
|
|
// }
|
|
// break;
|
|
|
|
// CSI u Restore cursor (ANSI.SYS).
|
|
// CSI Ps SP u
|
|
// case 'u': // duplicate
|
|
// if (this.postfix === ' ') {
|
|
// this.setMarginBellVolume(this.params);
|
|
// } else {
|
|
// this.restoreCursor(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
|
|
// case 'v':
|
|
// if (this.postfix === '$') {
|
|
// this.copyRectagle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pt ; Pl ; Pb ; Pr ' w
|
|
// case 'w':
|
|
// if (this.postfix === '\'') {
|
|
// this.enableFilterRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps x Request Terminal Parameters (DECREQTPARM).
|
|
// CSI Ps x Select Attribute Change Extent (DECSACE).
|
|
// CSI Pc; Pt; Pl; Pb; Pr$ x
|
|
// case 'x':
|
|
// if (this.postfix === '$') {
|
|
// this.fillRectangle(this.params);
|
|
// } else {
|
|
// this.requestParameters(this.params);
|
|
// //this.__(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ; Pu ' z
|
|
// CSI Pt; Pl; Pb; Pr$ z
|
|
// case 'z':
|
|
// if (this.postfix === '\'') {
|
|
// this.enableLocatorReporting(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.eraseRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Pm ' {
|
|
// CSI Pt; Pl; Pb; Pr$ {
|
|
// case '{':
|
|
// if (this.postfix === '\'') {
|
|
// this.setLocatorEvents(this.params);
|
|
// } else if (this.postfix === '$') {
|
|
// this.selectiveEraseRectangle(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI Ps ' |
|
|
// case '|':
|
|
// if (this.postfix === '\'') {
|
|
// this.requestLocatorPosition(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI P m SP }
|
|
// Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
|
|
// case '}':
|
|
// if (this.postfix === ' ') {
|
|
// this.insertColumns(this.params);
|
|
// }
|
|
// break;
|
|
|
|
// CSI P m SP ~
|
|
// Delete P s Column(s) (default = 1) (DECDC), VT420 and up
|
|
// case '~':
|
|
// if (this.postfix === ' ') {
|
|
// this.deleteColumns(this.params);
|
|
// }
|
|
// break;
|
|
|
|
default:
|
|
this.error('Unknown CSI code: %s.', ch);
|
|
break;
|
|
}
|
|
|
|
this.prefix = '';
|
|
this.postfix = '';
|
|
break;
|
|
|
|
case dcs:
|
|
if (ch === '\x1b' || ch === '\x07') {
|
|
if (ch === '\x1b') i++;
|
|
|
|
switch (this.prefix) {
|
|
// User-Defined Keys (DECUDK).
|
|
case '':
|
|
break;
|
|
|
|
// Request Status String (DECRQSS).
|
|
// test: echo -e '\eP$q"p\e\\'
|
|
case '$q':
|
|
var pt = this.currentParam
|
|
, valid = false;
|
|
|
|
switch (pt) {
|
|
// DECSCA
|
|
case '"q':
|
|
pt = '0"q';
|
|
break;
|
|
|
|
// DECSCL
|
|
case '"p':
|
|
pt = '61"p';
|
|
break;
|
|
|
|
// DECSTBM
|
|
case 'r':
|
|
pt = ''
|
|
+ (this.scrollTop + 1)
|
|
+ ';'
|
|
+ (this.scrollBottom + 1)
|
|
+ 'r';
|
|
break;
|
|
|
|
// SGR
|
|
case 'm':
|
|
pt = '0m';
|
|
break;
|
|
|
|
default:
|
|
this.error('Unknown DCS Pt: %s.', pt);
|
|
pt = '';
|
|
break;
|
|
}
|
|
|
|
this.send('\x1bP' + +valid + '$r' + pt + '\x1b\\');
|
|
break;
|
|
|
|
// Set Termcap/Terminfo Data (xterm, experimental).
|
|
case '+p':
|
|
break;
|
|
|
|
// Request Termcap/Terminfo String (xterm, experimental)
|
|
// Regular xterm does not even respond to this sequence.
|
|
// This can cause a small glitch in vim.
|
|
// test: echo -ne '\eP+q6b64\e\\'
|
|
case '+q':
|
|
var pt = this.currentParam
|
|
, valid = false;
|
|
|
|
this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\');
|
|
break;
|
|
|
|
default:
|
|
this.error('Unknown DCS prefix: %s.', this.prefix);
|
|
break;
|
|
}
|
|
|
|
this.currentParam = 0;
|
|
this.prefix = '';
|
|
this.state = normal;
|
|
} else if (!this.currentParam) {
|
|
if (!this.prefix && ch !== '$' && ch !== '+') {
|
|
this.currentParam = ch;
|
|
} else if (this.prefix.length === 2) {
|
|
this.currentParam = ch;
|
|
} else {
|
|
this.prefix += ch;
|
|
}
|
|
} else {
|
|
this.currentParam += ch;
|
|
}
|
|
break;
|
|
|
|
case ignore:
|
|
// For PM and APC.
|
|
if (ch === '\x1b' || ch === '\x07') {
|
|
if (ch === '\x1b') i++;
|
|
this.state = normal;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.updateRange(this.y);
|
|
this.refresh(this.refreshStart, this.refreshEnd);
|
|
};
|
|
|
|
/**
|
|
* Writes text to the terminal, followed by a break line character (\n).
|
|
* @param {string} text The text to write to the terminal.
|
|
*/
|
|
Terminal.prototype.writeln = function(data) {
|
|
this.write(data + '\r\n');
|
|
};
|
|
|
|
/**
|
|
* Attaches a custom keydown handler which is run before keys are processed, giving consumers of
|
|
* xterm.js ultimate control as to what keys should be processed by the terminal and what keys
|
|
* should not.
|
|
* @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a
|
|
* function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent
|
|
* the default action. The function returns whether the event should be processed by xterm.js.
|
|
*/
|
|
Terminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {
|
|
this.customKeydownHandler = customKeydownHandler;
|
|
}
|
|
|
|
/**
|
|
* Handle a keydown event
|
|
* Key Resources:
|
|
* - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
|
|
* @param {KeyboardEvent} ev The keydown event to be handled.
|
|
*/
|
|
Terminal.prototype.keyDown = function(ev) {
|
|
if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {
|
|
return false;
|
|
}
|
|
|
|
if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {
|
|
if (this.ybase !== this.ydisp) {
|
|
this.scrollToBottom();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
var self = this;
|
|
var result = this.evaluateKeyEscapeSequence(ev);
|
|
|
|
if (result.scrollDisp) {
|
|
this.scrollDisp(result.scrollDisp);
|
|
return this.cancel(ev, true);
|
|
}
|
|
|
|
if (isThirdLevelShift(this, ev)) {
|
|
return true;
|
|
}
|
|
|
|
if (result.cancel) {
|
|
// The event is canceled at the end already, is this necessary?
|
|
this.cancel(ev, true);
|
|
}
|
|
|
|
if (!result.key) {
|
|
return true;
|
|
}
|
|
|
|
// Scroll down to prompt, whenever the user presses a key.
|
|
if (this.ybase !== this.ydisp) {
|
|
this.scrollToBottom();
|
|
}
|
|
|
|
this.emit('keydown', ev);
|
|
this.emit('key', result.key, ev);
|
|
this.showCursor();
|
|
this.handler(result.key);
|
|
|
|
return this.cancel(ev, true);
|
|
};
|
|
|
|
/**
|
|
* Returns an object that determines how a KeyboardEvent should be handled. The key of the
|
|
* returned value is the new key code to pass to the PTY.
|
|
*
|
|
* Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
|
|
* @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.
|
|
*/
|
|
Terminal.prototype.evaluateKeyEscapeSequence = function(ev) {
|
|
var result = {
|
|
// Whether to cancel event propogation (NOTE: this may not be needed since the event is
|
|
// canceled at the end of keyDown
|
|
cancel: false,
|
|
// The new key even to emit
|
|
key: undefined,
|
|
// The number of characters to scroll, if this is defined it will cancel the event
|
|
scrollDisp: undefined
|
|
};
|
|
var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;
|
|
switch (ev.keyCode) {
|
|
case 8:
|
|
// backspace
|
|
if (ev.shiftKey) {
|
|
result.key = '\x08'; // ^H
|
|
break;
|
|
}
|
|
result.key = '\x7f'; // ^?
|
|
break;
|
|
case 9:
|
|
// tab
|
|
if (ev.shiftKey) {
|
|
result.key = '\x1b[Z';
|
|
break;
|
|
}
|
|
result.key = '\t';
|
|
result.cancel = true;
|
|
break;
|
|
case 13:
|
|
// return/enter
|
|
result.key = '\r';
|
|
result.cancel = true;
|
|
break;
|
|
case 27:
|
|
// escape
|
|
result.key = '\x1b';
|
|
result.cancel = true;
|
|
break;
|
|
case 37:
|
|
// left-arrow
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'D';
|
|
// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
|
|
// http://unix.stackexchange.com/a/108106
|
|
if (result.key == '\x1b[1;3D') {
|
|
result.key = '\x1b[1;5D';
|
|
}
|
|
} else if (this.applicationCursor) {
|
|
result.key = '\x1bOD';
|
|
} else {
|
|
result.key = '\x1b[D';
|
|
}
|
|
break;
|
|
case 39:
|
|
// right-arrow
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'C';
|
|
// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
|
|
// http://unix.stackexchange.com/a/108106
|
|
if (result.key == '\x1b[1;3C') {
|
|
result.key = '\x1b[1;5C';
|
|
}
|
|
} else if (this.applicationCursor) {
|
|
result.key = '\x1bOC';
|
|
} else {
|
|
result.key = '\x1b[C';
|
|
}
|
|
break;
|
|
case 38:
|
|
// up-arrow
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'A';
|
|
// HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
|
|
// http://unix.stackexchange.com/a/108106
|
|
if (result.key == '\x1b[1;3A') {
|
|
result.key = '\x1b[1;5A';
|
|
}
|
|
} else if (this.applicationCursor) {
|
|
result.key = '\x1bOA';
|
|
} else {
|
|
result.key = '\x1b[A';
|
|
}
|
|
break;
|
|
case 40:
|
|
// down-arrow
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'B';
|
|
// HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
|
|
// http://unix.stackexchange.com/a/108106
|
|
if (result.key == '\x1b[1;3B') {
|
|
result.key = '\x1b[1;5B';
|
|
}
|
|
} else if (this.applicationCursor) {
|
|
result.key = '\x1bOB';
|
|
} else {
|
|
result.key = '\x1b[B';
|
|
}
|
|
break;
|
|
case 45:
|
|
// insert
|
|
if (!ev.shiftKey && !ev.ctrlKey) {
|
|
// <Ctrl> or <Shift> + <Insert> are used to
|
|
// copy-paste on some systems.
|
|
result.key = '\x1b[2~';
|
|
}
|
|
break;
|
|
case 46:
|
|
// delete
|
|
if (modifiers) {
|
|
result.key = '\x1b[3;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[3~';
|
|
}
|
|
break;
|
|
case 36:
|
|
// home
|
|
if (modifiers)
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'H';
|
|
else if (this.applicationCursor)
|
|
result.key = '\x1bOH';
|
|
else
|
|
result.key = '\x1b[H';
|
|
break;
|
|
case 35:
|
|
// end
|
|
if (modifiers)
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'F';
|
|
else if (this.applicationCursor)
|
|
result.key = '\x1bOF';
|
|
else
|
|
result.key = '\x1b[F';
|
|
break;
|
|
case 33:
|
|
// page up
|
|
if (ev.shiftKey) {
|
|
result.scrollDisp = -(this.rows - 1);
|
|
} else {
|
|
result.key = '\x1b[5~';
|
|
}
|
|
break;
|
|
case 34:
|
|
// page down
|
|
if (ev.shiftKey) {
|
|
result.scrollDisp = this.rows - 1;
|
|
} else {
|
|
result.key = '\x1b[6~';
|
|
}
|
|
break;
|
|
case 112:
|
|
// F1-F12
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'P';
|
|
} else {
|
|
result.key = '\x1bOP';
|
|
}
|
|
break;
|
|
case 113:
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'Q';
|
|
} else {
|
|
result.key = '\x1bOQ';
|
|
}
|
|
break;
|
|
case 114:
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'R';
|
|
} else {
|
|
result.key = '\x1bOR';
|
|
}
|
|
break;
|
|
case 115:
|
|
if (modifiers) {
|
|
result.key = '\x1b[1;' + (modifiers + 1) + 'S';
|
|
} else {
|
|
result.key = '\x1bOS';
|
|
}
|
|
break;
|
|
case 116:
|
|
if (modifiers) {
|
|
result.key = '\x1b[15;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[15~';
|
|
}
|
|
break;
|
|
case 117:
|
|
if (modifiers) {
|
|
result.key = '\x1b[17;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[17~';
|
|
}
|
|
break;
|
|
case 118:
|
|
if (modifiers) {
|
|
result.key = '\x1b[18;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[18~';
|
|
}
|
|
break;
|
|
case 119:
|
|
if (modifiers) {
|
|
result.key = '\x1b[19;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[19~';
|
|
}
|
|
break;
|
|
case 120:
|
|
if (modifiers) {
|
|
result.key = '\x1b[20;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[20~';
|
|
}
|
|
break;
|
|
case 121:
|
|
if (modifiers) {
|
|
result.key = '\x1b[21;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[21~';
|
|
}
|
|
break;
|
|
case 122:
|
|
if (modifiers) {
|
|
result.key = '\x1b[23;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[23~';
|
|
}
|
|
break;
|
|
case 123:
|
|
if (modifiers) {
|
|
result.key = '\x1b[24;' + (modifiers + 1) + '~';
|
|
} else {
|
|
result.key = '\x1b[24~';
|
|
}
|
|
break;
|
|
default:
|
|
// a-z and space
|
|
if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
|
|
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
|
|
result.key = String.fromCharCode(ev.keyCode - 64);
|
|
} else if (ev.keyCode === 32) {
|
|
// NUL
|
|
result.key = String.fromCharCode(0);
|
|
} else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
|
|
// escape, file sep, group sep, record sep, unit sep
|
|
result.key = String.fromCharCode(ev.keyCode - 51 + 27);
|
|
} else if (ev.keyCode === 56) {
|
|
// delete
|
|
result.key = String.fromCharCode(127);
|
|
} else if (ev.keyCode === 219) {
|
|
// ^[ - Control Sequence Introducer (CSI)
|
|
result.key = String.fromCharCode(27);
|
|
} else if (ev.keyCode === 220) {
|
|
// ^\ - String Terminator (ST)
|
|
result.key = String.fromCharCode(28);
|
|
} else if (ev.keyCode === 221) {
|
|
// ^] - Operating System Command (OSC)
|
|
result.key = String.fromCharCode(29);
|
|
}
|
|
} else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
|
|
// On Mac this is a third level shift. Use <Esc> instead.
|
|
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
|
|
result.key = '\x1b' + String.fromCharCode(ev.keyCode + 32);
|
|
} else if (ev.keyCode === 192) {
|
|
result.key = '\x1b`';
|
|
} else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
|
|
result.key = '\x1b' + (ev.keyCode - 48);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Set the G level of the terminal
|
|
* @param g
|
|
*/
|
|
Terminal.prototype.setgLevel = function(g) {
|
|
this.glevel = g;
|
|
this.charset = this.charsets[g];
|
|
};
|
|
|
|
/**
|
|
* Set the charset for the given G level of the terminal
|
|
* @param g
|
|
* @param charset
|
|
*/
|
|
Terminal.prototype.setgCharset = function(g, charset) {
|
|
this.charsets[g] = charset;
|
|
if (this.glevel === g) {
|
|
this.charset = charset;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Handle a keypress event.
|
|
* Key Resources:
|
|
* - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
|
|
* @param {KeyboardEvent} ev The keypress event to be handled.
|
|
*/
|
|
Terminal.prototype.keyPress = function(ev) {
|
|
var key;
|
|
|
|
this.cancel(ev);
|
|
|
|
if (ev.charCode) {
|
|
key = ev.charCode;
|
|
} else if (ev.which == null) {
|
|
key = ev.keyCode;
|
|
} else if (ev.which !== 0 && ev.charCode !== 0) {
|
|
key = ev.which;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
if (!key || (
|
|
(ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)
|
|
)) {
|
|
return false;
|
|
}
|
|
|
|
key = String.fromCharCode(key);
|
|
|
|
this.emit('keypress', key, ev);
|
|
this.emit('key', key, ev);
|
|
this.showCursor();
|
|
this.handler(key);
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Send data for handling to the terminal
|
|
* @param {string} data
|
|
*/
|
|
Terminal.prototype.send = function(data) {
|
|
var self = this;
|
|
|
|
if (!this.queue) {
|
|
setTimeout(function() {
|
|
self.handler(self.queue);
|
|
self.queue = '';
|
|
}, 1);
|
|
}
|
|
|
|
this.queue += data;
|
|
};
|
|
|
|
/**
|
|
* Ring the bell.
|
|
* Note: We could do sweet things with webaudio here
|
|
*/
|
|
Terminal.prototype.bell = function() {
|
|
if (!this.visualBell) return;
|
|
var self = this;
|
|
this.element.style.borderColor = 'white';
|
|
setTimeout(function() {
|
|
self.element.style.borderColor = '';
|
|
}, 10);
|
|
if (this.popOnBell) this.focus();
|
|
};
|
|
|
|
/**
|
|
* Log the current state to the console.
|
|
*/
|
|
Terminal.prototype.log = function() {
|
|
if (!this.debug) return;
|
|
if (!this.context.console || !this.context.console.log) return;
|
|
var args = Array.prototype.slice.call(arguments);
|
|
this.context.console.log.apply(this.context.console, args);
|
|
};
|
|
|
|
/**
|
|
* Log the current state as error to the console.
|
|
*/
|
|
Terminal.prototype.error = function() {
|
|
if (!this.debug) return;
|
|
if (!this.context.console || !this.context.console.error) return;
|
|
var args = Array.prototype.slice.call(arguments);
|
|
this.context.console.error.apply(this.context.console, args);
|
|
};
|
|
|
|
/**
|
|
* Resizes the terminal.
|
|
*
|
|
* @param {number} x The number of columns to resize to.
|
|
* @param {number} y The number of rows to resize to.
|
|
*/
|
|
Terminal.prototype.resize = function(x, y) {
|
|
var line
|
|
, el
|
|
, i
|
|
, j
|
|
, ch
|
|
, addToY;
|
|
|
|
if (x === this.cols && y === this.rows) {
|
|
return;
|
|
}
|
|
|
|
if (x < 1) x = 1;
|
|
if (y < 1) y = 1;
|
|
|
|
// resize cols
|
|
j = this.cols;
|
|
if (j < x) {
|
|
ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?
|
|
i = this.lines.length;
|
|
while (i--) {
|
|
while (this.lines[i].length < x) {
|
|
this.lines[i].push(ch);
|
|
}
|
|
}
|
|
} else { // (j > x)
|
|
i = this.lines.length;
|
|
while (i--) {
|
|
while (this.lines[i].length > x) {
|
|
this.lines[i].pop();
|
|
}
|
|
}
|
|
}
|
|
this.setupStops(j);
|
|
this.cols = x;
|
|
|
|
// resize rows
|
|
j = this.rows;
|
|
addToY = 0;
|
|
if (j < y) {
|
|
el = this.element;
|
|
while (j++ < y) {
|
|
// y is rows, not this.y
|
|
if (this.lines.length < y + this.ybase) {
|
|
if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
|
|
// There is room above the buffer and there are no empty elements below the line,
|
|
// scroll up
|
|
this.ybase--;
|
|
addToY++
|
|
if (this.ydisp > 0) {
|
|
// Viewport is at the top of the buffer, must increase downwards
|
|
this.ydisp--;
|
|
}
|
|
} else {
|
|
// Add a blank line if there is no buffer left at the top to scroll to, or if there
|
|
// are blank lines after the cursor
|
|
this.lines.push(this.blankLine());
|
|
}
|
|
}
|
|
if (this.children.length < y) {
|
|
this.insertRow();
|
|
}
|
|
}
|
|
} else { // (j > y)
|
|
while (j-- > y) {
|
|
if (this.lines.length > y + this.ybase) {
|
|
if (this.lines.length > this.ybase + this.y + 1) {
|
|
// The line is a blank line below the cursor, remove it
|
|
this.lines.pop();
|
|
} else {
|
|
// The line is the cursor, scroll down
|
|
this.ybase++;
|
|
this.ydisp++;
|
|
}
|
|
}
|
|
if (this.children.length > y) {
|
|
el = this.children.shift();
|
|
if (!el) continue;
|
|
el.parentNode.removeChild(el);
|
|
}
|
|
}
|
|
}
|
|
this.rows = y;
|
|
|
|
// Make sure that the cursor stays on screen
|
|
if (this.y >= y) {
|
|
this.y = y - 1;
|
|
}
|
|
if (addToY) {
|
|
this.y += addToY;
|
|
}
|
|
|
|
if (this.x >= x) {
|
|
this.x = x - 1;
|
|
}
|
|
|
|
this.scrollTop = 0;
|
|
this.scrollBottom = y - 1;
|
|
|
|
this.refresh(0, this.rows - 1);
|
|
|
|
this.normal = null;
|
|
|
|
this.geometry = [this.cols, this.rows];
|
|
this.emit('resize', {terminal: this, cols: x, rows: y});
|
|
};
|
|
|
|
/**
|
|
* Updates the range of rows to refresh
|
|
* @param {number} y The number of rows to refresh next.
|
|
*/
|
|
Terminal.prototype.updateRange = function(y) {
|
|
if (y < this.refreshStart) this.refreshStart = y;
|
|
if (y > this.refreshEnd) this.refreshEnd = y;
|
|
// if (y > this.refreshEnd) {
|
|
// this.refreshEnd = y;
|
|
// if (y > this.rows - 1) {
|
|
// this.refreshEnd = this.rows - 1;
|
|
// }
|
|
// }
|
|
};
|
|
|
|
/**
|
|
* Set the range of refreshing to the maximum value
|
|
*/
|
|
Terminal.prototype.maxRange = function() {
|
|
this.refreshStart = 0;
|
|
this.refreshEnd = this.rows - 1;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* Setup the tab stops.
|
|
* @param {number} i
|
|
*/
|
|
Terminal.prototype.setupStops = function(i) {
|
|
if (i != null) {
|
|
if (!this.tabs[i]) {
|
|
i = this.prevStop(i);
|
|
}
|
|
} else {
|
|
this.tabs = {};
|
|
i = 0;
|
|
}
|
|
|
|
for (; i < this.cols; i += 8) {
|
|
this.tabs[i] = true;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Move the cursor to the previous tab stop from the given position (default is current).
|
|
* @param {number} x The position to move the cursor to the previous tab stop.
|
|
*/
|
|
Terminal.prototype.prevStop = function(x) {
|
|
if (x == null) x = this.x;
|
|
while (!this.tabs[--x] && x > 0);
|
|
return x >= this.cols
|
|
? this.cols - 1
|
|
: x < 0 ? 0 : x;
|
|
};
|
|
|
|
|
|
/**
|
|
* Move the cursor one tab stop forward from the given position (default is current).
|
|
* @param {number} x The position to move the cursor one tab stop forward.
|
|
*/
|
|
Terminal.prototype.nextStop = function(x) {
|
|
if (x == null) x = this.x;
|
|
while (!this.tabs[++x] && x < this.cols);
|
|
return x >= this.cols
|
|
? this.cols - 1
|
|
: x < 0 ? 0 : x;
|
|
};
|
|
|
|
|
|
/**
|
|
* Erase in the identified line everything from "x" to the end of the line (right).
|
|
* @param {number} x The column from which to start erasing to the end of the line.
|
|
* @param {number} y The line in which to operate.
|
|
*/
|
|
Terminal.prototype.eraseRight = function(x, y) {
|
|
var line = this.lines[this.ybase + y]
|
|
, ch = [this.eraseAttr(), ' ', 1]; // xterm
|
|
|
|
|
|
for (; x < this.cols; x++) {
|
|
line[x] = ch;
|
|
}
|
|
|
|
this.updateRange(y);
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* Erase in the identified line everything from "x" to the start of the line (left).
|
|
* @param {number} x The column from which to start erasing to the start of the line.
|
|
* @param {number} y The line in which to operate.
|
|
*/
|
|
Terminal.prototype.eraseLeft = function(x, y) {
|
|
var line = this.lines[this.ybase + y]
|
|
, ch = [this.eraseAttr(), ' ', 1]; // xterm
|
|
|
|
x++;
|
|
while (x--) line[x] = ch;
|
|
|
|
this.updateRange(y);
|
|
};
|
|
|
|
/**
|
|
* Clears the entire buffer, making the prompt line the new first line.
|
|
*/
|
|
Terminal.prototype.clear = function() {
|
|
if (this.ybase === 0 && this.y === 0) {
|
|
// Don't clear if it's already clear
|
|
return;
|
|
}
|
|
this.lines = [this.lines[this.ybase + this.y]];
|
|
this.ydisp = 0;
|
|
this.ybase = 0;
|
|
this.y = 0;
|
|
for (var i = 1; i < this.rows; i++) {
|
|
this.lines.push(this.blankLine());
|
|
}
|
|
this.refresh(0, this.rows - 1);
|
|
this.emit('scroll', this.ydisp);
|
|
};
|
|
|
|
/**
|
|
* Erase all content in the given line
|
|
* @param {number} y The line to erase all of its contents.
|
|
*/
|
|
Terminal.prototype.eraseLine = function(y) {
|
|
this.eraseRight(0, y);
|
|
};
|
|
|
|
|
|
/**
|
|
* Return the data array of a blank line/
|
|
* @param {number} cur First bunch of data for each "blank" character.
|
|
*/
|
|
Terminal.prototype.blankLine = function(cur) {
|
|
var attr = cur
|
|
? this.eraseAttr()
|
|
: this.defAttr;
|
|
|
|
var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character
|
|
, line = []
|
|
, i = 0;
|
|
|
|
for (; i < this.cols; i++) {
|
|
line[i] = ch;
|
|
}
|
|
|
|
return line;
|
|
};
|
|
|
|
|
|
/**
|
|
* If cur return the back color xterm feature attribute. Else return defAttr.
|
|
* @param {object} cur
|
|
*/
|
|
Terminal.prototype.ch = function(cur) {
|
|
return cur
|
|
? [this.eraseAttr(), ' ', 1]
|
|
: [this.defAttr, ' ', 1];
|
|
};
|
|
|
|
|
|
/**
|
|
* Evaluate if the current erminal is the given argument.
|
|
* @param {object} term The terminal to evaluate
|
|
*/
|
|
Terminal.prototype.is = function(term) {
|
|
var name = this.termName;
|
|
return (name + '').indexOf(term) === 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* Emit the 'data' event and populate the given data.
|
|
* @param {string} data The data to populate in the event.
|
|
*/
|
|
Terminal.prototype.handler = function(data) {
|
|
this.emit('data', data);
|
|
};
|
|
|
|
|
|
/**
|
|
* Emit the 'title' event and populate the given title.
|
|
* @param {string} title The title to populate in the event.
|
|
*/
|
|
Terminal.prototype.handleTitle = function(title) {
|
|
/**
|
|
* This event is emitted when the title of the terminal is changed
|
|
* from inside the terminal. The parameter is the new title.
|
|
*
|
|
* @event title
|
|
*/
|
|
this.emit('title', title);
|
|
};
|
|
|
|
|
|
/**
|
|
* ESC
|
|
*/
|
|
|
|
/**
|
|
* ESC D Index (IND is 0x84).
|
|
*/
|
|
Terminal.prototype.index = function() {
|
|
this.y++;
|
|
if (this.y > this.scrollBottom) {
|
|
this.y--;
|
|
this.scroll();
|
|
}
|
|
this.state = normal;
|
|
};
|
|
|
|
|
|
/**
|
|
* ESC M Reverse Index (RI is 0x8d).
|
|
*/
|
|
Terminal.prototype.reverseIndex = function() {
|
|
var j;
|
|
this.y--;
|
|
if (this.y < this.scrollTop) {
|
|
this.y++;
|
|
// possibly move the code below to term.reverseScroll();
|
|
// test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
|
|
// blankLine(true) is xterm/linux behavior
|
|
this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));
|
|
j = this.rows - 1 - this.scrollBottom;
|
|
this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);
|
|
// this.maxRange();
|
|
this.updateRange(this.scrollTop);
|
|
this.updateRange(this.scrollBottom);
|
|
}
|
|
this.state = normal;
|
|
};
|
|
|
|
|
|
/**
|
|
* ESC c Full Reset (RIS).
|
|
*/
|
|
Terminal.prototype.reset = function() {
|
|
this.options.rows = this.rows;
|
|
this.options.cols = this.cols;
|
|
var customKeydownHandler = this.customKeydownHandler;
|
|
Terminal.call(this, this.options);
|
|
this.customKeydownHandler = customKeydownHandler;
|
|
this.refresh(0, this.rows - 1);
|
|
this.viewport.syncScrollArea();
|
|
};
|
|
|
|
|
|
/**
|
|
* ESC H Tab Set (HTS is 0x88).
|
|
*/
|
|
Terminal.prototype.tabSet = function() {
|
|
this.tabs[this.x] = true;
|
|
this.state = normal;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI
|
|
*/
|
|
|
|
/**
|
|
* CSI Ps A
|
|
* Cursor Up Ps Times (default = 1) (CUU).
|
|
*/
|
|
Terminal.prototype.cursorUp = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y -= param;
|
|
if (this.y < 0) this.y = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps B
|
|
* Cursor Down Ps Times (default = 1) (CUD).
|
|
*/
|
|
Terminal.prototype.cursorDown = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y += param;
|
|
if (this.y >= this.rows) {
|
|
this.y = this.rows - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps C
|
|
* Cursor Forward Ps Times (default = 1) (CUF).
|
|
*/
|
|
Terminal.prototype.cursorForward = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.x += param;
|
|
if (this.x >= this.cols) {
|
|
this.x = this.cols - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps D
|
|
* Cursor Backward Ps Times (default = 1) (CUB).
|
|
*/
|
|
Terminal.prototype.cursorBackward = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.x -= param;
|
|
if (this.x < 0) this.x = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Ps H
|
|
* Cursor Position [row;column] (default = [1,1]) (CUP).
|
|
*/
|
|
Terminal.prototype.cursorPos = function(params) {
|
|
var row, col;
|
|
|
|
row = params[0] - 1;
|
|
|
|
if (params.length >= 2) {
|
|
col = params[1] - 1;
|
|
} else {
|
|
col = 0;
|
|
}
|
|
|
|
if (row < 0) {
|
|
row = 0;
|
|
} else if (row >= this.rows) {
|
|
row = this.rows - 1;
|
|
}
|
|
|
|
if (col < 0) {
|
|
col = 0;
|
|
} else if (col >= this.cols) {
|
|
col = this.cols - 1;
|
|
}
|
|
|
|
this.x = col;
|
|
this.y = row;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps J Erase in Display (ED).
|
|
* Ps = 0 -> Erase Below (default).
|
|
* Ps = 1 -> Erase Above.
|
|
* Ps = 2 -> Erase All.
|
|
* Ps = 3 -> Erase Saved Lines (xterm).
|
|
* CSI ? Ps J
|
|
* Erase in Display (DECSED).
|
|
* Ps = 0 -> Selective Erase Below (default).
|
|
* Ps = 1 -> Selective Erase Above.
|
|
* Ps = 2 -> Selective Erase All.
|
|
*/
|
|
Terminal.prototype.eraseInDisplay = function(params) {
|
|
var j;
|
|
switch (params[0]) {
|
|
case 0:
|
|
this.eraseRight(this.x, this.y);
|
|
j = this.y + 1;
|
|
for (; j < this.rows; j++) {
|
|
this.eraseLine(j);
|
|
}
|
|
break;
|
|
case 1:
|
|
this.eraseLeft(this.x, this.y);
|
|
j = this.y;
|
|
while (j--) {
|
|
this.eraseLine(j);
|
|
}
|
|
break;
|
|
case 2:
|
|
j = this.rows;
|
|
while (j--) this.eraseLine(j);
|
|
break;
|
|
case 3:
|
|
; // no saved lines
|
|
break;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps K Erase in Line (EL).
|
|
* Ps = 0 -> Erase to Right (default).
|
|
* Ps = 1 -> Erase to Left.
|
|
* Ps = 2 -> Erase All.
|
|
* CSI ? Ps K
|
|
* Erase in Line (DECSEL).
|
|
* Ps = 0 -> Selective Erase to Right (default).
|
|
* Ps = 1 -> Selective Erase to Left.
|
|
* Ps = 2 -> Selective Erase All.
|
|
*/
|
|
Terminal.prototype.eraseInLine = function(params) {
|
|
switch (params[0]) {
|
|
case 0:
|
|
this.eraseRight(this.x, this.y);
|
|
break;
|
|
case 1:
|
|
this.eraseLeft(this.x, this.y);
|
|
break;
|
|
case 2:
|
|
this.eraseLine(this.y);
|
|
break;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pm m Character Attributes (SGR).
|
|
* Ps = 0 -> Normal (default).
|
|
* Ps = 1 -> Bold.
|
|
* Ps = 4 -> Underlined.
|
|
* Ps = 5 -> Blink (appears as Bold).
|
|
* Ps = 7 -> Inverse.
|
|
* Ps = 8 -> Invisible, i.e., hidden (VT300).
|
|
* Ps = 2 2 -> Normal (neither bold nor faint).
|
|
* Ps = 2 4 -> Not underlined.
|
|
* Ps = 2 5 -> Steady (not blinking).
|
|
* Ps = 2 7 -> Positive (not inverse).
|
|
* Ps = 2 8 -> Visible, i.e., not hidden (VT300).
|
|
* Ps = 3 0 -> Set foreground color to Black.
|
|
* Ps = 3 1 -> Set foreground color to Red.
|
|
* Ps = 3 2 -> Set foreground color to Green.
|
|
* Ps = 3 3 -> Set foreground color to Yellow.
|
|
* Ps = 3 4 -> Set foreground color to Blue.
|
|
* Ps = 3 5 -> Set foreground color to Magenta.
|
|
* Ps = 3 6 -> Set foreground color to Cyan.
|
|
* Ps = 3 7 -> Set foreground color to White.
|
|
* Ps = 3 9 -> Set foreground color to default (original).
|
|
* Ps = 4 0 -> Set background color to Black.
|
|
* Ps = 4 1 -> Set background color to Red.
|
|
* Ps = 4 2 -> Set background color to Green.
|
|
* Ps = 4 3 -> Set background color to Yellow.
|
|
* Ps = 4 4 -> Set background color to Blue.
|
|
* Ps = 4 5 -> Set background color to Magenta.
|
|
* Ps = 4 6 -> Set background color to Cyan.
|
|
* Ps = 4 7 -> Set background color to White.
|
|
* Ps = 4 9 -> Set background color to default (original).
|
|
*
|
|
* If 16-color support is compiled, the following apply. Assume
|
|
* that xterm's resources are set so that the ISO color codes are
|
|
* the first 8 of a set of 16. Then the aixterm colors are the
|
|
* bright versions of the ISO colors:
|
|
* Ps = 9 0 -> Set foreground color to Black.
|
|
* Ps = 9 1 -> Set foreground color to Red.
|
|
* Ps = 9 2 -> Set foreground color to Green.
|
|
* Ps = 9 3 -> Set foreground color to Yellow.
|
|
* Ps = 9 4 -> Set foreground color to Blue.
|
|
* Ps = 9 5 -> Set foreground color to Magenta.
|
|
* Ps = 9 6 -> Set foreground color to Cyan.
|
|
* Ps = 9 7 -> Set foreground color to White.
|
|
* Ps = 1 0 0 -> Set background color to Black.
|
|
* Ps = 1 0 1 -> Set background color to Red.
|
|
* Ps = 1 0 2 -> Set background color to Green.
|
|
* Ps = 1 0 3 -> Set background color to Yellow.
|
|
* Ps = 1 0 4 -> Set background color to Blue.
|
|
* Ps = 1 0 5 -> Set background color to Magenta.
|
|
* Ps = 1 0 6 -> Set background color to Cyan.
|
|
* Ps = 1 0 7 -> Set background color to White.
|
|
*
|
|
* If xterm is compiled with the 16-color support disabled, it
|
|
* supports the following, from rxvt:
|
|
* Ps = 1 0 0 -> Set foreground and background color to
|
|
* default.
|
|
*
|
|
* If 88- or 256-color support is compiled, the following apply.
|
|
* Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
|
|
* Ps.
|
|
* Ps = 4 8 ; 5 ; Ps -> Set background color to the second
|
|
* Ps.
|
|
*/
|
|
Terminal.prototype.charAttributes = function(params) {
|
|
// Optimize a single SGR0.
|
|
if (params.length === 1 && params[0] === 0) {
|
|
this.curAttr = this.defAttr;
|
|
return;
|
|
}
|
|
|
|
var l = params.length
|
|
, i = 0
|
|
, flags = this.curAttr >> 18
|
|
, fg = (this.curAttr >> 9) & 0x1ff
|
|
, bg = this.curAttr & 0x1ff
|
|
, p;
|
|
|
|
for (; i < l; i++) {
|
|
p = params[i];
|
|
if (p >= 30 && p <= 37) {
|
|
// fg color 8
|
|
fg = p - 30;
|
|
} else if (p >= 40 && p <= 47) {
|
|
// bg color 8
|
|
bg = p - 40;
|
|
} else if (p >= 90 && p <= 97) {
|
|
// fg color 16
|
|
p += 8;
|
|
fg = p - 90;
|
|
} else if (p >= 100 && p <= 107) {
|
|
// bg color 16
|
|
p += 8;
|
|
bg = p - 100;
|
|
} else if (p === 0) {
|
|
// default
|
|
flags = this.defAttr >> 18;
|
|
fg = (this.defAttr >> 9) & 0x1ff;
|
|
bg = this.defAttr & 0x1ff;
|
|
// flags = 0;
|
|
// fg = 0x1ff;
|
|
// bg = 0x1ff;
|
|
} else if (p === 1) {
|
|
// bold text
|
|
flags |= 1;
|
|
} else if (p === 4) {
|
|
// underlined text
|
|
flags |= 2;
|
|
} else if (p === 5) {
|
|
// blink
|
|
flags |= 4;
|
|
} else if (p === 7) {
|
|
// inverse and positive
|
|
// test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
|
|
flags |= 8;
|
|
} else if (p === 8) {
|
|
// invisible
|
|
flags |= 16;
|
|
} else if (p === 22) {
|
|
// not bold
|
|
flags &= ~1;
|
|
} else if (p === 24) {
|
|
// not underlined
|
|
flags &= ~2;
|
|
} else if (p === 25) {
|
|
// not blink
|
|
flags &= ~4;
|
|
} else if (p === 27) {
|
|
// not inverse
|
|
flags &= ~8;
|
|
} else if (p === 28) {
|
|
// not invisible
|
|
flags &= ~16;
|
|
} else if (p === 39) {
|
|
// reset fg
|
|
fg = (this.defAttr >> 9) & 0x1ff;
|
|
} else if (p === 49) {
|
|
// reset bg
|
|
bg = this.defAttr & 0x1ff;
|
|
} else if (p === 38) {
|
|
// fg color 256
|
|
if (params[i + 1] === 2) {
|
|
i += 2;
|
|
fg = matchColor(
|
|
params[i] & 0xff,
|
|
params[i + 1] & 0xff,
|
|
params[i + 2] & 0xff);
|
|
if (fg === -1) fg = 0x1ff;
|
|
i += 2;
|
|
} else if (params[i + 1] === 5) {
|
|
i += 2;
|
|
p = params[i] & 0xff;
|
|
fg = p;
|
|
}
|
|
} else if (p === 48) {
|
|
// bg color 256
|
|
if (params[i + 1] === 2) {
|
|
i += 2;
|
|
bg = matchColor(
|
|
params[i] & 0xff,
|
|
params[i + 1] & 0xff,
|
|
params[i + 2] & 0xff);
|
|
if (bg === -1) bg = 0x1ff;
|
|
i += 2;
|
|
} else if (params[i + 1] === 5) {
|
|
i += 2;
|
|
p = params[i] & 0xff;
|
|
bg = p;
|
|
}
|
|
} else if (p === 100) {
|
|
// reset fg/bg
|
|
fg = (this.defAttr >> 9) & 0x1ff;
|
|
bg = this.defAttr & 0x1ff;
|
|
} else {
|
|
this.error('Unknown SGR attribute: %d.', p);
|
|
}
|
|
}
|
|
|
|
this.curAttr = (flags << 18) | (fg << 9) | bg;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps n Device Status Report (DSR).
|
|
* Ps = 5 -> Status Report. Result (``OK'') is
|
|
* CSI 0 n
|
|
* Ps = 6 -> Report Cursor Position (CPR) [row;column].
|
|
* Result is
|
|
* CSI r ; c R
|
|
* CSI ? Ps n
|
|
* Device Status Report (DSR, DEC-specific).
|
|
* Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
|
|
* ? r ; c R (assumes page is zero).
|
|
* Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
|
|
* or CSI ? 1 1 n (not ready).
|
|
* Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
|
|
* or CSI ? 2 1 n (locked).
|
|
* Ps = 2 6 -> Report Keyboard status as
|
|
* CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
|
|
* The last two parameters apply to VT400 & up, and denote key-
|
|
* board ready and LK01 respectively.
|
|
* Ps = 5 3 -> Report Locator status as
|
|
* CSI ? 5 3 n Locator available, if compiled-in, or
|
|
* CSI ? 5 0 n No Locator, if not.
|
|
*/
|
|
Terminal.prototype.deviceStatus = function(params) {
|
|
if (!this.prefix) {
|
|
switch (params[0]) {
|
|
case 5:
|
|
// status report
|
|
this.send('\x1b[0n');
|
|
break;
|
|
case 6:
|
|
// cursor position
|
|
this.send('\x1b['
|
|
+ (this.y + 1)
|
|
+ ';'
|
|
+ (this.x + 1)
|
|
+ 'R');
|
|
break;
|
|
}
|
|
} else if (this.prefix === '?') {
|
|
// modern xterm doesnt seem to
|
|
// respond to any of these except ?6, 6, and 5
|
|
switch (params[0]) {
|
|
case 6:
|
|
// cursor position
|
|
this.send('\x1b[?'
|
|
+ (this.y + 1)
|
|
+ ';'
|
|
+ (this.x + 1)
|
|
+ 'R');
|
|
break;
|
|
case 15:
|
|
// no printer
|
|
// this.send('\x1b[?11n');
|
|
break;
|
|
case 25:
|
|
// dont support user defined keys
|
|
// this.send('\x1b[?21n');
|
|
break;
|
|
case 26:
|
|
// north american keyboard
|
|
// this.send('\x1b[?27;1;0;0n');
|
|
break;
|
|
case 53:
|
|
// no dec locator/mouse
|
|
// this.send('\x1b[?50n');
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Additions
|
|
*/
|
|
|
|
/**
|
|
* CSI Ps @
|
|
* Insert Ps (Blank) Character(s) (default = 1) (ICH).
|
|
*/
|
|
Terminal.prototype.insertChars = function(params) {
|
|
var param, row, j, ch;
|
|
|
|
param = params[0];
|
|
if (param < 1) param = 1;
|
|
|
|
row = this.y + this.ybase;
|
|
j = this.x;
|
|
ch = [this.eraseAttr(), ' ', 1]; // xterm
|
|
|
|
while (param-- && j < this.cols) {
|
|
this.lines[row].splice(j++, 0, ch);
|
|
this.lines[row].pop();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* CSI Ps E
|
|
* Cursor Next Line Ps Times (default = 1) (CNL).
|
|
* same as CSI Ps B ?
|
|
*/
|
|
Terminal.prototype.cursorNextLine = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y += param;
|
|
if (this.y >= this.rows) {
|
|
this.y = this.rows - 1;
|
|
}
|
|
this.x = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps F
|
|
* Cursor Preceding Line Ps Times (default = 1) (CNL).
|
|
* reuse CSI Ps A ?
|
|
*/
|
|
Terminal.prototype.cursorPrecedingLine = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y -= param;
|
|
if (this.y < 0) this.y = 0;
|
|
this.x = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps G
|
|
* Cursor Character Absolute [column] (default = [row,1]) (CHA).
|
|
*/
|
|
Terminal.prototype.cursorCharAbsolute = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.x = param - 1;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps L
|
|
* Insert Ps Line(s) (default = 1) (IL).
|
|
*/
|
|
Terminal.prototype.insertLines = function(params) {
|
|
var param, row, j;
|
|
|
|
param = params[0];
|
|
if (param < 1) param = 1;
|
|
row = this.y + this.ybase;
|
|
|
|
j = this.rows - 1 - this.scrollBottom;
|
|
j = this.rows - 1 + this.ybase - j + 1;
|
|
|
|
while (param--) {
|
|
// test: echo -e '\e[44m\e[1L\e[0m'
|
|
// blankLine(true) - xterm/linux behavior
|
|
this.lines.splice(row, 0, this.blankLine(true));
|
|
this.lines.splice(j, 1);
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(this.y);
|
|
this.updateRange(this.scrollBottom);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps M
|
|
* Delete Ps Line(s) (default = 1) (DL).
|
|
*/
|
|
Terminal.prototype.deleteLines = function(params) {
|
|
var param, row, j;
|
|
|
|
param = params[0];
|
|
if (param < 1) param = 1;
|
|
row = this.y + this.ybase;
|
|
|
|
j = this.rows - 1 - this.scrollBottom;
|
|
j = this.rows - 1 + this.ybase - j;
|
|
|
|
while (param--) {
|
|
// test: echo -e '\e[44m\e[1M\e[0m'
|
|
// blankLine(true) - xterm/linux behavior
|
|
this.lines.splice(j + 1, 0, this.blankLine(true));
|
|
this.lines.splice(row, 1);
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(this.y);
|
|
this.updateRange(this.scrollBottom);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps P
|
|
* Delete Ps Character(s) (default = 1) (DCH).
|
|
*/
|
|
Terminal.prototype.deleteChars = function(params) {
|
|
var param, row, ch;
|
|
|
|
param = params[0];
|
|
if (param < 1) param = 1;
|
|
|
|
row = this.y + this.ybase;
|
|
ch = [this.eraseAttr(), ' ', 1]; // xterm
|
|
|
|
while (param--) {
|
|
this.lines[row].splice(this.x, 1);
|
|
this.lines[row].push(ch);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* CSI Ps X
|
|
* Erase Ps Character(s) (default = 1) (ECH).
|
|
*/
|
|
Terminal.prototype.eraseChars = function(params) {
|
|
var param, row, j, ch;
|
|
|
|
param = params[0];
|
|
if (param < 1) param = 1;
|
|
|
|
row = this.y + this.ybase;
|
|
j = this.x;
|
|
ch = [this.eraseAttr(), ' ', 1]; // xterm
|
|
|
|
while (param-- && j < this.cols) {
|
|
this.lines[row][j++] = ch;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* CSI Pm ` Character Position Absolute
|
|
* [column] (default = [row,1]) (HPA).
|
|
*/
|
|
Terminal.prototype.charPosAbsolute = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.x = param - 1;
|
|
if (this.x >= this.cols) {
|
|
this.x = this.cols - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* 141 61 a * HPR -
|
|
* Horizontal Position Relative
|
|
* reuse CSI Ps C ?
|
|
*/
|
|
Terminal.prototype.HPositionRelative = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.x += param;
|
|
if (this.x >= this.cols) {
|
|
this.x = this.cols - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps c Send Device Attributes (Primary DA).
|
|
* Ps = 0 or omitted -> request attributes from terminal. The
|
|
* response depends on the decTerminalID resource setting.
|
|
* -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
|
|
* -> CSI ? 1 ; 0 c (``VT101 with No Options'')
|
|
* -> CSI ? 6 c (``VT102'')
|
|
* -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
|
|
* The VT100-style response parameters do not mean anything by
|
|
* themselves. VT220 parameters do, telling the host what fea-
|
|
* tures the terminal supports:
|
|
* Ps = 1 -> 132-columns.
|
|
* Ps = 2 -> Printer.
|
|
* Ps = 6 -> Selective erase.
|
|
* Ps = 8 -> User-defined keys.
|
|
* Ps = 9 -> National replacement character sets.
|
|
* Ps = 1 5 -> Technical characters.
|
|
* Ps = 2 2 -> ANSI color, e.g., VT525.
|
|
* Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
|
|
* CSI > Ps c
|
|
* Send Device Attributes (Secondary DA).
|
|
* Ps = 0 or omitted -> request the terminal's identification
|
|
* code. The response depends on the decTerminalID resource set-
|
|
* ting. It should apply only to VT220 and up, but xterm extends
|
|
* this to VT100.
|
|
* -> CSI > Pp ; Pv ; Pc c
|
|
* where Pp denotes the terminal type
|
|
* Pp = 0 -> ``VT100''.
|
|
* Pp = 1 -> ``VT220''.
|
|
* and Pv is the firmware version (for xterm, this was originally
|
|
* the XFree86 patch number, starting with 95). In a DEC termi-
|
|
* nal, Pc indicates the ROM cartridge registration number and is
|
|
* always zero.
|
|
* More information:
|
|
* xterm/charproc.c - line 2012, for more information.
|
|
* vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
|
|
*/
|
|
Terminal.prototype.sendDeviceAttributes = function(params) {
|
|
if (params[0] > 0) return;
|
|
|
|
if (!this.prefix) {
|
|
if (this.is('xterm')
|
|
|| this.is('rxvt-unicode')
|
|
|| this.is('screen')) {
|
|
this.send('\x1b[?1;2c');
|
|
} else if (this.is('linux')) {
|
|
this.send('\x1b[?6c');
|
|
}
|
|
} else if (this.prefix === '>') {
|
|
// xterm and urxvt
|
|
// seem to spit this
|
|
// out around ~370 times (?).
|
|
if (this.is('xterm')) {
|
|
this.send('\x1b[>0;276;0c');
|
|
} else if (this.is('rxvt-unicode')) {
|
|
this.send('\x1b[>85;95;0c');
|
|
} else if (this.is('linux')) {
|
|
// not supported by linux console.
|
|
// linux console echoes parameters.
|
|
this.send(params[0] + 'c');
|
|
} else if (this.is('screen')) {
|
|
this.send('\x1b[>83;40003;0c');
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pm d
|
|
* Line Position Absolute [row] (default = [1,column]) (VPA).
|
|
*/
|
|
Terminal.prototype.linePosAbsolute = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y = param - 1;
|
|
if (this.y >= this.rows) {
|
|
this.y = this.rows - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* 145 65 e * VPR - Vertical Position Relative
|
|
* reuse CSI Ps B ?
|
|
*/
|
|
Terminal.prototype.VPositionRelative = function(params) {
|
|
var param = params[0];
|
|
if (param < 1) param = 1;
|
|
this.y += param;
|
|
if (this.y >= this.rows) {
|
|
this.y = this.rows - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Ps f
|
|
* Horizontal and Vertical Position [row;column] (default =
|
|
* [1,1]) (HVP).
|
|
*/
|
|
Terminal.prototype.HVPosition = function(params) {
|
|
if (params[0] < 1) params[0] = 1;
|
|
if (params[1] < 1) params[1] = 1;
|
|
|
|
this.y = params[0] - 1;
|
|
if (this.y >= this.rows) {
|
|
this.y = this.rows - 1;
|
|
}
|
|
|
|
this.x = params[1] - 1;
|
|
if (this.x >= this.cols) {
|
|
this.x = this.cols - 1;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pm h Set Mode (SM).
|
|
* Ps = 2 -> Keyboard Action Mode (AM).
|
|
* Ps = 4 -> Insert Mode (IRM).
|
|
* Ps = 1 2 -> Send/receive (SRM).
|
|
* Ps = 2 0 -> Automatic Newline (LNM).
|
|
* CSI ? Pm h
|
|
* DEC Private Mode Set (DECSET).
|
|
* Ps = 1 -> Application Cursor Keys (DECCKM).
|
|
* Ps = 2 -> Designate USASCII for character sets G0-G3
|
|
* (DECANM), and set VT100 mode.
|
|
* Ps = 3 -> 132 Column Mode (DECCOLM).
|
|
* Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
|
|
* Ps = 5 -> Reverse Video (DECSCNM).
|
|
* Ps = 6 -> Origin Mode (DECOM).
|
|
* Ps = 7 -> Wraparound Mode (DECAWM).
|
|
* Ps = 8 -> Auto-repeat Keys (DECARM).
|
|
* Ps = 9 -> Send Mouse X & Y on button press. See the sec-
|
|
* tion Mouse Tracking.
|
|
* Ps = 1 0 -> Show toolbar (rxvt).
|
|
* Ps = 1 2 -> Start Blinking Cursor (att610).
|
|
* Ps = 1 8 -> Print form feed (DECPFF).
|
|
* Ps = 1 9 -> Set print extent to full screen (DECPEX).
|
|
* Ps = 2 5 -> Show Cursor (DECTCEM).
|
|
* Ps = 3 0 -> Show scrollbar (rxvt).
|
|
* Ps = 3 5 -> Enable font-shifting functions (rxvt).
|
|
* Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
|
|
* Ps = 4 0 -> Allow 80 -> 132 Mode.
|
|
* Ps = 4 1 -> more(1) fix (see curses resource).
|
|
* Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
|
|
* RCM).
|
|
* Ps = 4 4 -> Turn On Margin Bell.
|
|
* Ps = 4 5 -> Reverse-wraparound Mode.
|
|
* Ps = 4 6 -> Start Logging. This is normally disabled by a
|
|
* compile-time option.
|
|
* Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
|
|
* abled by the titeInhibit resource).
|
|
* Ps = 6 6 -> Application keypad (DECNKM).
|
|
* Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
|
|
* Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
|
|
* release. See the section Mouse Tracking.
|
|
* Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
|
|
* Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
|
|
* Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
|
|
* Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
|
|
* Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
|
|
* Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
|
|
* Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
|
|
* Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
|
|
* (enables the eightBitInput resource).
|
|
* Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
|
|
* Lock keys. (This enables the numLock resource).
|
|
* Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
|
|
* enables the metaSendsEscape resource).
|
|
* Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
|
|
* key.
|
|
* Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
|
|
* enables the altSendsEscape resource).
|
|
* Ps = 1 0 4 0 -> Keep selection even if not highlighted.
|
|
* (This enables the keepSelection resource).
|
|
* Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
|
|
* the selectToClipboard resource).
|
|
* Ps = 1 0 4 2 -> Enable Urgency window manager hint when
|
|
* Control-G is received. (This enables the bellIsUrgent
|
|
* resource).
|
|
* Ps = 1 0 4 3 -> Enable raising of the window when Control-G
|
|
* is received. (enables the popOnBell resource).
|
|
* Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
|
|
* disabled by the titeInhibit resource).
|
|
* Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
|
|
* abled by the titeInhibit resource).
|
|
* Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
|
|
* Screen Buffer, clearing it first. (This may be disabled by
|
|
* the titeInhibit resource). This combines the effects of the 1
|
|
* 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
|
|
* applications rather than the 4 7 mode.
|
|
* Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
|
|
* Ps = 1 0 5 1 -> Set Sun function-key mode.
|
|
* Ps = 1 0 5 2 -> Set HP function-key mode.
|
|
* Ps = 1 0 5 3 -> Set SCO function-key mode.
|
|
* Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
|
|
* Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
|
|
* Ps = 2 0 0 4 -> Set bracketed paste mode.
|
|
* Modes:
|
|
* http: *vt100.net/docs/vt220-rm/chapter4.html
|
|
*/
|
|
Terminal.prototype.setMode = function(params) {
|
|
if (typeof params === 'object') {
|
|
var l = params.length
|
|
, i = 0;
|
|
|
|
for (; i < l; i++) {
|
|
this.setMode(params[i]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!this.prefix) {
|
|
switch (params) {
|
|
case 4:
|
|
this.insertMode = true;
|
|
break;
|
|
case 20:
|
|
//this.convertEol = true;
|
|
break;
|
|
}
|
|
} else if (this.prefix === '?') {
|
|
switch (params) {
|
|
case 1:
|
|
this.applicationCursor = true;
|
|
break;
|
|
case 2:
|
|
this.setgCharset(0, Terminal.charsets.US);
|
|
this.setgCharset(1, Terminal.charsets.US);
|
|
this.setgCharset(2, Terminal.charsets.US);
|
|
this.setgCharset(3, Terminal.charsets.US);
|
|
// set VT100 mode here
|
|
break;
|
|
case 3: // 132 col mode
|
|
this.savedCols = this.cols;
|
|
this.resize(132, this.rows);
|
|
break;
|
|
case 6:
|
|
this.originMode = true;
|
|
break;
|
|
case 7:
|
|
this.wraparoundMode = true;
|
|
break;
|
|
case 12:
|
|
// this.cursorBlink = true;
|
|
break;
|
|
case 66:
|
|
this.log('Serial port requested application keypad.');
|
|
this.applicationKeypad = true;
|
|
this.viewport.syncScrollArea();
|
|
break;
|
|
case 9: // X10 Mouse
|
|
// no release, no motion, no wheel, no modifiers.
|
|
case 1000: // vt200 mouse
|
|
// no motion.
|
|
// no modifiers, except control on the wheel.
|
|
case 1002: // button event mouse
|
|
case 1003: // any event mouse
|
|
// any event - sends motion events,
|
|
// even if there is no button held down.
|
|
this.x10Mouse = params === 9;
|
|
this.vt200Mouse = params === 1000;
|
|
this.normalMouse = params > 1000;
|
|
this.mouseEvents = true;
|
|
this.element.style.cursor = 'default';
|
|
this.log('Binding to mouse events.');
|
|
break;
|
|
case 1004: // send focusin/focusout events
|
|
// focusin: ^[[I
|
|
// focusout: ^[[O
|
|
this.sendFocus = true;
|
|
break;
|
|
case 1005: // utf8 ext mode mouse
|
|
this.utfMouse = true;
|
|
// for wide terminals
|
|
// simply encodes large values as utf8 characters
|
|
break;
|
|
case 1006: // sgr ext mode mouse
|
|
this.sgrMouse = true;
|
|
// for wide terminals
|
|
// does not add 32 to fields
|
|
// press: ^[[<b;x;yM
|
|
// release: ^[[<b;x;ym
|
|
break;
|
|
case 1015: // urxvt ext mode mouse
|
|
this.urxvtMouse = true;
|
|
// for wide terminals
|
|
// numbers for fields
|
|
// press: ^[[b;x;yM
|
|
// motion: ^[[b;x;yT
|
|
break;
|
|
case 25: // show cursor
|
|
this.cursorHidden = false;
|
|
break;
|
|
case 1049: // alt screen buffer cursor
|
|
//this.saveCursor();
|
|
; // FALL-THROUGH
|
|
case 47: // alt screen buffer
|
|
case 1047: // alt screen buffer
|
|
if (!this.normal) {
|
|
var normal = {
|
|
lines: this.lines,
|
|
ybase: this.ybase,
|
|
ydisp: this.ydisp,
|
|
x: this.x,
|
|
y: this.y,
|
|
scrollTop: this.scrollTop,
|
|
scrollBottom: this.scrollBottom,
|
|
tabs: this.tabs
|
|
// XXX save charset(s) here?
|
|
// charset: this.charset,
|
|
// glevel: this.glevel,
|
|
// charsets: this.charsets
|
|
};
|
|
this.reset();
|
|
this.normal = normal;
|
|
this.showCursor();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* CSI Pm l Reset Mode (RM).
|
|
* Ps = 2 -> Keyboard Action Mode (AM).
|
|
* Ps = 4 -> Replace Mode (IRM).
|
|
* Ps = 1 2 -> Send/receive (SRM).
|
|
* Ps = 2 0 -> Normal Linefeed (LNM).
|
|
* CSI ? Pm l
|
|
* DEC Private Mode Reset (DECRST).
|
|
* Ps = 1 -> Normal Cursor Keys (DECCKM).
|
|
* Ps = 2 -> Designate VT52 mode (DECANM).
|
|
* Ps = 3 -> 80 Column Mode (DECCOLM).
|
|
* Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
|
|
* Ps = 5 -> Normal Video (DECSCNM).
|
|
* Ps = 6 -> Normal Cursor Mode (DECOM).
|
|
* Ps = 7 -> No Wraparound Mode (DECAWM).
|
|
* Ps = 8 -> No Auto-repeat Keys (DECARM).
|
|
* Ps = 9 -> Don't send Mouse X & Y on button press.
|
|
* Ps = 1 0 -> Hide toolbar (rxvt).
|
|
* Ps = 1 2 -> Stop Blinking Cursor (att610).
|
|
* Ps = 1 8 -> Don't print form feed (DECPFF).
|
|
* Ps = 1 9 -> Limit print to scrolling region (DECPEX).
|
|
* Ps = 2 5 -> Hide Cursor (DECTCEM).
|
|
* Ps = 3 0 -> Don't show scrollbar (rxvt).
|
|
* Ps = 3 5 -> Disable font-shifting functions (rxvt).
|
|
* Ps = 4 0 -> Disallow 80 -> 132 Mode.
|
|
* Ps = 4 1 -> No more(1) fix (see curses resource).
|
|
* Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
|
|
* NRCM).
|
|
* Ps = 4 4 -> Turn Off Margin Bell.
|
|
* Ps = 4 5 -> No Reverse-wraparound Mode.
|
|
* Ps = 4 6 -> Stop Logging. (This is normally disabled by a
|
|
* compile-time option).
|
|
* Ps = 4 7 -> Use Normal Screen Buffer.
|
|
* Ps = 6 6 -> Numeric keypad (DECNKM).
|
|
* Ps = 6 7 -> Backarrow key sends delete (DECBKM).
|
|
* Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
|
|
* release. See the section Mouse Tracking.
|
|
* Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
|
|
* Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
|
|
* Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
|
|
* Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
|
|
* Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
|
|
* Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
|
|
* (rxvt).
|
|
* Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
|
|
* Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
|
|
* the eightBitInput resource).
|
|
* Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
|
|
* Lock keys. (This disables the numLock resource).
|
|
* Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
|
|
* (This disables the metaSendsEscape resource).
|
|
* Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
|
|
* Delete key.
|
|
* Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
|
|
* (This disables the altSendsEscape resource).
|
|
* Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
|
|
* (This disables the keepSelection resource).
|
|
* Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
|
|
* the selectToClipboard resource).
|
|
* Ps = 1 0 4 2 -> Disable Urgency window manager hint when
|
|
* Control-G is received. (This disables the bellIsUrgent
|
|
* resource).
|
|
* Ps = 1 0 4 3 -> Disable raising of the window when Control-
|
|
* G is received. (This disables the popOnBell resource).
|
|
* Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
|
|
* first if in the Alternate Screen. (This may be disabled by
|
|
* the titeInhibit resource).
|
|
* Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
|
|
* disabled by the titeInhibit resource).
|
|
* Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
|
|
* as in DECRC. (This may be disabled by the titeInhibit
|
|
* resource). This combines the effects of the 1 0 4 7 and 1 0
|
|
* 4 8 modes. Use this with terminfo-based applications rather
|
|
* than the 4 7 mode.
|
|
* Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
|
|
* Ps = 1 0 5 1 -> Reset Sun function-key mode.
|
|
* Ps = 1 0 5 2 -> Reset HP function-key mode.
|
|
* Ps = 1 0 5 3 -> Reset SCO function-key mode.
|
|
* Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
|
|
* Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
|
|
* Ps = 2 0 0 4 -> Reset bracketed paste mode.
|
|
*/
|
|
Terminal.prototype.resetMode = function(params) {
|
|
if (typeof params === 'object') {
|
|
var l = params.length
|
|
, i = 0;
|
|
|
|
for (; i < l; i++) {
|
|
this.resetMode(params[i]);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!this.prefix) {
|
|
switch (params) {
|
|
case 4:
|
|
this.insertMode = false;
|
|
break;
|
|
case 20:
|
|
//this.convertEol = false;
|
|
break;
|
|
}
|
|
} else if (this.prefix === '?') {
|
|
switch (params) {
|
|
case 1:
|
|
this.applicationCursor = false;
|
|
break;
|
|
case 3:
|
|
if (this.cols === 132 && this.savedCols) {
|
|
this.resize(this.savedCols, this.rows);
|
|
}
|
|
delete this.savedCols;
|
|
break;
|
|
case 6:
|
|
this.originMode = false;
|
|
break;
|
|
case 7:
|
|
this.wraparoundMode = false;
|
|
break;
|
|
case 12:
|
|
// this.cursorBlink = false;
|
|
break;
|
|
case 66:
|
|
this.log('Switching back to normal keypad.');
|
|
this.applicationKeypad = false;
|
|
this.viewport.syncScrollArea();
|
|
break;
|
|
case 9: // X10 Mouse
|
|
case 1000: // vt200 mouse
|
|
case 1002: // button event mouse
|
|
case 1003: // any event mouse
|
|
this.x10Mouse = false;
|
|
this.vt200Mouse = false;
|
|
this.normalMouse = false;
|
|
this.mouseEvents = false;
|
|
this.element.style.cursor = '';
|
|
break;
|
|
case 1004: // send focusin/focusout events
|
|
this.sendFocus = false;
|
|
break;
|
|
case 1005: // utf8 ext mode mouse
|
|
this.utfMouse = false;
|
|
break;
|
|
case 1006: // sgr ext mode mouse
|
|
this.sgrMouse = false;
|
|
break;
|
|
case 1015: // urxvt ext mode mouse
|
|
this.urxvtMouse = false;
|
|
break;
|
|
case 25: // hide cursor
|
|
this.cursorHidden = true;
|
|
break;
|
|
case 1049: // alt screen buffer cursor
|
|
; // FALL-THROUGH
|
|
case 47: // normal screen buffer
|
|
case 1047: // normal screen buffer - clearing it first
|
|
if (this.normal) {
|
|
this.lines = this.normal.lines;
|
|
this.ybase = this.normal.ybase;
|
|
this.ydisp = this.normal.ydisp;
|
|
this.x = this.normal.x;
|
|
this.y = this.normal.y;
|
|
this.scrollTop = this.normal.scrollTop;
|
|
this.scrollBottom = this.normal.scrollBottom;
|
|
this.tabs = this.normal.tabs;
|
|
this.normal = null;
|
|
// if (params === 1049) {
|
|
// this.x = this.savedX;
|
|
// this.y = this.savedY;
|
|
// }
|
|
this.refresh(0, this.rows - 1);
|
|
this.showCursor();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Ps r
|
|
* Set Scrolling Region [top;bottom] (default = full size of win-
|
|
* dow) (DECSTBM).
|
|
* CSI ? Pm r
|
|
*/
|
|
Terminal.prototype.setScrollRegion = function(params) {
|
|
if (this.prefix) return;
|
|
this.scrollTop = (params[0] || 1) - 1;
|
|
this.scrollBottom = (params[1] || this.rows) - 1;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI s
|
|
* Save cursor (ANSI.SYS).
|
|
*/
|
|
Terminal.prototype.saveCursor = function(params) {
|
|
this.savedX = this.x;
|
|
this.savedY = this.y;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI u
|
|
* Restore cursor (ANSI.SYS).
|
|
*/
|
|
Terminal.prototype.restoreCursor = function(params) {
|
|
this.x = this.savedX || 0;
|
|
this.y = this.savedY || 0;
|
|
};
|
|
|
|
|
|
/**
|
|
* Lesser Used
|
|
*/
|
|
|
|
/**
|
|
* CSI Ps I
|
|
* Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
|
|
*/
|
|
Terminal.prototype.cursorForwardTab = function(params) {
|
|
var param = params[0] || 1;
|
|
while (param--) {
|
|
this.x = this.nextStop();
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps S Scroll up Ps lines (default = 1) (SU).
|
|
*/
|
|
Terminal.prototype.scrollUp = function(params) {
|
|
var param = params[0] || 1;
|
|
while (param--) {
|
|
this.lines.splice(this.ybase + this.scrollTop, 1);
|
|
this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());
|
|
}
|
|
// this.maxRange();
|
|
this.updateRange(this.scrollTop);
|
|
this.updateRange(this.scrollBottom);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps T Scroll down Ps lines (default = 1) (SD).
|
|
*/
|
|
Terminal.prototype.scrollDown = function(params) {
|
|
var param = params[0] || 1;
|
|
while (param--) {
|
|
this.lines.splice(this.ybase + this.scrollBottom, 1);
|
|
this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());
|
|
}
|
|
// this.maxRange();
|
|
this.updateRange(this.scrollTop);
|
|
this.updateRange(this.scrollBottom);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Ps ; Ps ; Ps ; Ps T
|
|
* Initiate highlight mouse tracking. Parameters are
|
|
* [func;startx;starty;firstrow;lastrow]. See the section Mouse
|
|
* Tracking.
|
|
*/
|
|
Terminal.prototype.initMouseTracking = function(params) {
|
|
// Relevant: DECSET 1001
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI > Ps; Ps T
|
|
* Reset one or more features of the title modes to the default
|
|
* value. Normally, "reset" disables the feature. It is possi-
|
|
* ble to disable the ability to reset features by compiling a
|
|
* different default for the title modes into xterm.
|
|
* Ps = 0 -> Do not set window/icon labels using hexadecimal.
|
|
* Ps = 1 -> Do not query window/icon labels using hexadeci-
|
|
* mal.
|
|
* Ps = 2 -> Do not set window/icon labels using UTF-8.
|
|
* Ps = 3 -> Do not query window/icon labels using UTF-8.
|
|
* (See discussion of "Title Modes").
|
|
*/
|
|
Terminal.prototype.resetTitleModes = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
|
|
*/
|
|
Terminal.prototype.cursorBackwardTab = function(params) {
|
|
var param = params[0] || 1;
|
|
while (param--) {
|
|
this.x = this.prevStop();
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps b Repeat the preceding graphic character Ps times (REP).
|
|
*/
|
|
Terminal.prototype.repeatPrecedingCharacter = function(params) {
|
|
var param = params[0] || 1
|
|
, line = this.lines[this.ybase + this.y]
|
|
, ch = line[this.x - 1] || [this.defAttr, ' ', 1];
|
|
|
|
while (param--) line[this.x++] = ch;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps g Tab Clear (TBC).
|
|
* Ps = 0 -> Clear Current Column (default).
|
|
* Ps = 3 -> Clear All.
|
|
* Potentially:
|
|
* Ps = 2 -> Clear Stops on Line.
|
|
* http://vt100.net/annarbor/aaa-ug/section6.html
|
|
*/
|
|
Terminal.prototype.tabClear = function(params) {
|
|
var param = params[0];
|
|
if (param <= 0) {
|
|
delete this.tabs[this.x];
|
|
} else if (param === 3) {
|
|
this.tabs = {};
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pm i Media Copy (MC).
|
|
* Ps = 0 -> Print screen (default).
|
|
* Ps = 4 -> Turn off printer controller mode.
|
|
* Ps = 5 -> Turn on printer controller mode.
|
|
* CSI ? Pm i
|
|
* Media Copy (MC, DEC-specific).
|
|
* Ps = 1 -> Print line containing cursor.
|
|
* Ps = 4 -> Turn off autoprint mode.
|
|
* Ps = 5 -> Turn on autoprint mode.
|
|
* Ps = 1 0 -> Print composed display, ignores DECPEX.
|
|
* Ps = 1 1 -> Print all pages.
|
|
*/
|
|
Terminal.prototype.mediaCopy = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI > Ps; Ps m
|
|
* Set or reset resource-values used by xterm to decide whether
|
|
* to construct escape sequences holding information about the
|
|
* modifiers pressed with a given key. The first parameter iden-
|
|
* tifies the resource to set/reset. The second parameter is the
|
|
* value to assign to the resource. If the second parameter is
|
|
* omitted, the resource is reset to its initial value.
|
|
* Ps = 1 -> modifyCursorKeys.
|
|
* Ps = 2 -> modifyFunctionKeys.
|
|
* Ps = 4 -> modifyOtherKeys.
|
|
* If no parameters are given, all resources are reset to their
|
|
* initial values.
|
|
*/
|
|
Terminal.prototype.setResources = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI > Ps n
|
|
* Disable modifiers which may be enabled via the CSI > Ps; Ps m
|
|
* sequence. This corresponds to a resource value of "-1", which
|
|
* cannot be set with the other sequence. The parameter identi-
|
|
* fies the resource to be disabled:
|
|
* Ps = 1 -> modifyCursorKeys.
|
|
* Ps = 2 -> modifyFunctionKeys.
|
|
* Ps = 4 -> modifyOtherKeys.
|
|
* If the parameter is omitted, modifyFunctionKeys is disabled.
|
|
* When modifyFunctionKeys is disabled, xterm uses the modifier
|
|
* keys to make an extended sequence of functions rather than
|
|
* adding a parameter to each function key to denote the modi-
|
|
* fiers.
|
|
*/
|
|
Terminal.prototype.disableModifiers = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI > Ps p
|
|
* Set resource value pointerMode. This is used by xterm to
|
|
* decide whether to hide the pointer cursor as the user types.
|
|
* Valid values for the parameter:
|
|
* Ps = 0 -> never hide the pointer.
|
|
* Ps = 1 -> hide if the mouse tracking mode is not enabled.
|
|
* Ps = 2 -> always hide the pointer. If no parameter is
|
|
* given, xterm uses the default, which is 1 .
|
|
*/
|
|
Terminal.prototype.setPointerMode = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI ! p Soft terminal reset (DECSTR).
|
|
* http://vt100.net/docs/vt220-rm/table4-10.html
|
|
*/
|
|
Terminal.prototype.softReset = function(params) {
|
|
this.cursorHidden = false;
|
|
this.insertMode = false;
|
|
this.originMode = false;
|
|
this.wraparoundMode = false; // autowrap
|
|
this.applicationKeypad = false; // ?
|
|
this.viewport.syncScrollArea();
|
|
this.applicationCursor = false;
|
|
this.scrollTop = 0;
|
|
this.scrollBottom = this.rows - 1;
|
|
this.curAttr = this.defAttr;
|
|
this.x = this.y = 0; // ?
|
|
this.charset = null;
|
|
this.glevel = 0; // ??
|
|
this.charsets = [null]; // ??
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps$ p
|
|
* Request ANSI mode (DECRQM). For VT300 and up, reply is
|
|
* CSI Ps; Pm$ y
|
|
* where Ps is the mode number as in RM, and Pm is the mode
|
|
* value:
|
|
* 0 - not recognized
|
|
* 1 - set
|
|
* 2 - reset
|
|
* 3 - permanently set
|
|
* 4 - permanently reset
|
|
*/
|
|
Terminal.prototype.requestAnsiMode = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI ? Ps$ p
|
|
* Request DEC private mode (DECRQM). For VT300 and up, reply is
|
|
* CSI ? Ps; Pm$ p
|
|
* where Ps is the mode number as in DECSET, Pm is the mode value
|
|
* as in the ANSI DECRQM.
|
|
*/
|
|
Terminal.prototype.requestPrivateMode = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Ps " p
|
|
* Set conformance level (DECSCL). Valid values for the first
|
|
* parameter:
|
|
* Ps = 6 1 -> VT100.
|
|
* Ps = 6 2 -> VT200.
|
|
* Ps = 6 3 -> VT300.
|
|
* Valid values for the second parameter:
|
|
* Ps = 0 -> 8-bit controls.
|
|
* Ps = 1 -> 7-bit controls (always set for VT100).
|
|
* Ps = 2 -> 8-bit controls.
|
|
*/
|
|
Terminal.prototype.setConformanceLevel = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps q Load LEDs (DECLL).
|
|
* Ps = 0 -> Clear all LEDS (default).
|
|
* Ps = 1 -> Light Num Lock.
|
|
* Ps = 2 -> Light Caps Lock.
|
|
* Ps = 3 -> Light Scroll Lock.
|
|
* Ps = 2 1 -> Extinguish Num Lock.
|
|
* Ps = 2 2 -> Extinguish Caps Lock.
|
|
* Ps = 2 3 -> Extinguish Scroll Lock.
|
|
*/
|
|
Terminal.prototype.loadLEDs = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps SP q
|
|
* Set cursor style (DECSCUSR, VT520).
|
|
* Ps = 0 -> blinking block.
|
|
* Ps = 1 -> blinking block (default).
|
|
* Ps = 2 -> steady block.
|
|
* Ps = 3 -> blinking underline.
|
|
* Ps = 4 -> steady underline.
|
|
*/
|
|
Terminal.prototype.setCursorStyle = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps " q
|
|
* Select character protection attribute (DECSCA). Valid values
|
|
* for the parameter:
|
|
* Ps = 0 -> DECSED and DECSEL can erase (default).
|
|
* Ps = 1 -> DECSED and DECSEL cannot erase.
|
|
* Ps = 2 -> DECSED and DECSEL can erase.
|
|
*/
|
|
Terminal.prototype.setCharProtectionAttr = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI ? Pm r
|
|
* Restore DEC Private Mode Values. The value of Ps previously
|
|
* saved is restored. Ps values are the same as for DECSET.
|
|
*/
|
|
Terminal.prototype.restorePrivateValues = function(params) {
|
|
;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pt; Pl; Pb; Pr; Ps$ r
|
|
* Change Attributes in Rectangular Area (DECCARA), VT400 and up.
|
|
* Pt; Pl; Pb; Pr denotes the rectangle.
|
|
* Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
|
|
* NOTE: xterm doesn't enable this code by default.
|
|
*/
|
|
Terminal.prototype.setAttrInRectangle = function(params) {
|
|
var t = params[0]
|
|
, l = params[1]
|
|
, b = params[2]
|
|
, r = params[3]
|
|
, attr = params[4];
|
|
|
|
var line
|
|
, i;
|
|
|
|
for (; t < b + 1; t++) {
|
|
line = this.lines[this.ybase + t];
|
|
for (i = l; i < r; i++) {
|
|
line[i] = [attr, line[i][1]];
|
|
}
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(params[0]);
|
|
this.updateRange(params[2]);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pc; Pt; Pl; Pb; Pr$ x
|
|
* Fill Rectangular Area (DECFRA), VT420 and up.
|
|
* Pc is the character to use.
|
|
* Pt; Pl; Pb; Pr denotes the rectangle.
|
|
* NOTE: xterm doesn't enable this code by default.
|
|
*/
|
|
Terminal.prototype.fillRectangle = function(params) {
|
|
var ch = params[0]
|
|
, t = params[1]
|
|
, l = params[2]
|
|
, b = params[3]
|
|
, r = params[4];
|
|
|
|
var line
|
|
, i;
|
|
|
|
for (; t < b + 1; t++) {
|
|
line = this.lines[this.ybase + t];
|
|
for (i = l; i < r; i++) {
|
|
line[i] = [line[i][0], String.fromCharCode(ch)];
|
|
}
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(params[1]);
|
|
this.updateRange(params[3]);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Ps ; Pu ' z
|
|
* Enable Locator Reporting (DECELR).
|
|
* Valid values for the first parameter:
|
|
* Ps = 0 -> Locator disabled (default).
|
|
* Ps = 1 -> Locator enabled.
|
|
* Ps = 2 -> Locator enabled for one report, then disabled.
|
|
* The second parameter specifies the coordinate unit for locator
|
|
* reports.
|
|
* Valid values for the second parameter:
|
|
* Pu = 0 <- or omitted -> default to character cells.
|
|
* Pu = 1 <- device physical pixels.
|
|
* Pu = 2 <- character cells.
|
|
*/
|
|
Terminal.prototype.enableLocatorReporting = function(params) {
|
|
var val = params[0] > 0;
|
|
//this.mouseEvents = val;
|
|
//this.decLocator = val;
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI Pt; Pl; Pb; Pr$ z
|
|
* Erase Rectangular Area (DECERA), VT400 and up.
|
|
* Pt; Pl; Pb; Pr denotes the rectangle.
|
|
* NOTE: xterm doesn't enable this code by default.
|
|
*/
|
|
Terminal.prototype.eraseRectangle = function(params) {
|
|
var t = params[0]
|
|
, l = params[1]
|
|
, b = params[2]
|
|
, r = params[3];
|
|
|
|
var line
|
|
, i
|
|
, ch;
|
|
|
|
ch = [this.eraseAttr(), ' ', 1]; // xterm?
|
|
|
|
for (; t < b + 1; t++) {
|
|
line = this.lines[this.ybase + t];
|
|
for (i = l; i < r; i++) {
|
|
line[i] = ch;
|
|
}
|
|
}
|
|
|
|
// this.maxRange();
|
|
this.updateRange(params[0]);
|
|
this.updateRange(params[2]);
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI P m SP }
|
|
* Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
|
|
* NOTE: xterm doesn't enable this code by default.
|
|
*/
|
|
Terminal.prototype.insertColumns = function() {
|
|
var param = params[0]
|
|
, l = this.ybase + this.rows
|
|
, ch = [this.eraseAttr(), ' ', 1] // xterm?
|
|
, i;
|
|
|
|
while (param--) {
|
|
for (i = this.ybase; i < l; i++) {
|
|
this.lines[i].splice(this.x + 1, 0, ch);
|
|
this.lines[i].pop();
|
|
}
|
|
}
|
|
|
|
this.maxRange();
|
|
};
|
|
|
|
|
|
/**
|
|
* CSI P m SP ~
|
|
* Delete P s Column(s) (default = 1) (DECDC), VT420 and up
|
|
* NOTE: xterm doesn't enable this code by default.
|
|
*/
|
|
Terminal.prototype.deleteColumns = function() {
|
|
var param = params[0]
|
|
, l = this.ybase + this.rows
|
|
, ch = [this.eraseAttr(), ' ', 1] // xterm?
|
|
, i;
|
|
|
|
while (param--) {
|
|
for (i = this.ybase; i < l; i++) {
|
|
this.lines[i].splice(this.x, 1);
|
|
this.lines[i].push(ch);
|
|
}
|
|
}
|
|
|
|
this.maxRange();
|
|
};
|
|
|
|
/**
|
|
* Character Sets
|
|
*/
|
|
|
|
Terminal.charsets = {};
|
|
|
|
// DEC Special Character and Line Drawing Set.
|
|
// http://vt100.net/docs/vt102-ug/table5-13.html
|
|
// A lot of curses apps use this if they see TERM=xterm.
|
|
// testing: echo -e '\e(0a\e(B'
|
|
// The xterm output sometimes seems to conflict with the
|
|
// reference above. xterm seems in line with the reference
|
|
// when running vttest however.
|
|
// The table below now uses xterm's output from vttest.
|
|
Terminal.charsets.SCLD = { // (0
|
|
'`': '\u25c6', // '◆'
|
|
'a': '\u2592', // '▒'
|
|
'b': '\u0009', // '\t'
|
|
'c': '\u000c', // '\f'
|
|
'd': '\u000d', // '\r'
|
|
'e': '\u000a', // '\n'
|
|
'f': '\u00b0', // '°'
|
|
'g': '\u00b1', // '±'
|
|
'h': '\u2424', // '\u2424' (NL)
|
|
'i': '\u000b', // '\v'
|
|
'j': '\u2518', // '┘'
|
|
'k': '\u2510', // '┐'
|
|
'l': '\u250c', // '┌'
|
|
'm': '\u2514', // '└'
|
|
'n': '\u253c', // '┼'
|
|
'o': '\u23ba', // '⎺'
|
|
'p': '\u23bb', // '⎻'
|
|
'q': '\u2500', // '─'
|
|
'r': '\u23bc', // '⎼'
|
|
's': '\u23bd', // '⎽'
|
|
't': '\u251c', // '├'
|
|
'u': '\u2524', // '┤'
|
|
'v': '\u2534', // '┴'
|
|
'w': '\u252c', // '┬'
|
|
'x': '\u2502', // '│'
|
|
'y': '\u2264', // '≤'
|
|
'z': '\u2265', // '≥'
|
|
'{': '\u03c0', // 'π'
|
|
'|': '\u2260', // '≠'
|
|
'}': '\u00a3', // '£'
|
|
'~': '\u00b7' // '·'
|
|
};
|
|
|
|
Terminal.charsets.UK = null; // (A
|
|
Terminal.charsets.US = null; // (B (USASCII)
|
|
Terminal.charsets.Dutch = null; // (4
|
|
Terminal.charsets.Finnish = null; // (C or (5
|
|
Terminal.charsets.French = null; // (R
|
|
Terminal.charsets.FrenchCanadian = null; // (Q
|
|
Terminal.charsets.German = null; // (K
|
|
Terminal.charsets.Italian = null; // (Y
|
|
Terminal.charsets.NorwegianDanish = null; // (E or (6
|
|
Terminal.charsets.Spanish = null; // (Z
|
|
Terminal.charsets.Swedish = null; // (H or (7
|
|
Terminal.charsets.Swiss = null; // (=
|
|
Terminal.charsets.ISOLatin = null; // /A
|
|
|
|
/**
|
|
* Helpers
|
|
*/
|
|
|
|
function on(el, type, handler, capture) {
|
|
if (!Array.isArray(el)) {
|
|
el = [el];
|
|
}
|
|
el.forEach(function (element) {
|
|
element.addEventListener(type, handler, capture || false);
|
|
});
|
|
}
|
|
|
|
function off(el, type, handler, capture) {
|
|
el.removeEventListener(type, handler, capture || false);
|
|
}
|
|
|
|
function cancel(ev, force) {
|
|
if (!this.cancelEvents && !force) {
|
|
return;
|
|
}
|
|
ev.preventDefault();
|
|
ev.stopPropagation();
|
|
return false;
|
|
}
|
|
|
|
function inherits(child, parent) {
|
|
function f() {
|
|
this.constructor = child;
|
|
}
|
|
f.prototype = parent.prototype;
|
|
child.prototype = new f;
|
|
}
|
|
|
|
// if bold is broken, we can't
|
|
// use it in the terminal.
|
|
function isBoldBroken(document) {
|
|
var body = document.getElementsByTagName('body')[0];
|
|
var el = document.createElement('span');
|
|
el.innerHTML = 'hello world';
|
|
body.appendChild(el);
|
|
var w1 = el.scrollWidth;
|
|
el.style.fontWeight = 'bold';
|
|
var w2 = el.scrollWidth;
|
|
body.removeChild(el);
|
|
return w1 !== w2;
|
|
}
|
|
|
|
function indexOf(obj, el) {
|
|
var i = obj.length;
|
|
while (i--) {
|
|
if (obj[i] === el) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
function isThirdLevelShift(term, ev) {
|
|
var thirdLevelKey =
|
|
(term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
|
|
(term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
|
|
|
|
if (ev.type == 'keypress') {
|
|
return thirdLevelKey;
|
|
}
|
|
|
|
// Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
|
|
return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
|
|
}
|
|
|
|
function matchColor(r1, g1, b1) {
|
|
var hash = (r1 << 16) | (g1 << 8) | b1;
|
|
|
|
if (matchColor._cache[hash] != null) {
|
|
return matchColor._cache[hash];
|
|
}
|
|
|
|
var ldiff = Infinity
|
|
, li = -1
|
|
, i = 0
|
|
, c
|
|
, r2
|
|
, g2
|
|
, b2
|
|
, diff;
|
|
|
|
for (; i < Terminal.vcolors.length; i++) {
|
|
c = Terminal.vcolors[i];
|
|
r2 = c[0];
|
|
g2 = c[1];
|
|
b2 = c[2];
|
|
|
|
diff = matchColor.distance(r1, g1, b1, r2, g2, b2);
|
|
|
|
if (diff === 0) {
|
|
li = i;
|
|
break;
|
|
}
|
|
|
|
if (diff < ldiff) {
|
|
ldiff = diff;
|
|
li = i;
|
|
}
|
|
}
|
|
|
|
return matchColor._cache[hash] = li;
|
|
}
|
|
|
|
matchColor._cache = {};
|
|
|
|
// http://stackoverflow.com/questions/1633828
|
|
matchColor.distance = function(r1, g1, b1, r2, g2, b2) {
|
|
return Math.pow(30 * (r1 - r2), 2)
|
|
+ Math.pow(59 * (g1 - g2), 2)
|
|
+ Math.pow(11 * (b1 - b2), 2);
|
|
};
|
|
|
|
function each(obj, iter, con) {
|
|
if (obj.forEach) return obj.forEach(iter, con);
|
|
for (var i = 0; i < obj.length; i++) {
|
|
iter.call(con, obj[i], i, obj);
|
|
}
|
|
}
|
|
|
|
function keys(obj) {
|
|
if (Object.keys) return Object.keys(obj);
|
|
var key, keys = [];
|
|
for (key in obj) {
|
|
if (Object.prototype.hasOwnProperty.call(obj, key)) {
|
|
keys.push(key);
|
|
}
|
|
}
|
|
return keys;
|
|
}
|
|
|
|
var wcwidth = (function(opts) {
|
|
// extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
|
|
// combining characters
|
|
var COMBINING = [
|
|
[0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
|
|
[0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
|
|
[0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
|
|
[0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
|
|
[0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
|
|
[0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
|
|
[0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
|
|
[0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
|
|
[0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
|
|
[0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
|
|
[0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
|
|
[0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
|
|
[0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
|
|
[0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
|
|
[0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
|
|
[0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
|
|
[0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
|
|
[0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
|
|
[0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
|
|
[0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
|
|
[0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
|
|
[0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
|
|
[0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
|
|
[0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
|
|
[0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
|
|
[0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
|
|
[0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
|
|
[0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
|
|
[0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
|
|
[0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
|
|
[0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
|
|
[0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
|
|
[0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
|
|
[0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
|
|
[0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
|
|
[0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
|
|
[0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
|
|
[0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
|
|
[0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
|
|
[0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
|
|
[0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
|
|
[0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
|
|
[0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
|
|
[0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
|
|
[0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
|
|
[0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
|
|
[0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
|
|
[0xE0100, 0xE01EF]
|
|
];
|
|
// binary search
|
|
function bisearch(ucs) {
|
|
var min = 0;
|
|
var max = COMBINING.length - 1;
|
|
var mid;
|
|
if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
|
|
return false;
|
|
while (max >= min) {
|
|
mid = Math.floor((min + max) / 2);
|
|
if (ucs > COMBINING[mid][1])
|
|
min = mid + 1;
|
|
else if (ucs < COMBINING[mid][0])
|
|
max = mid - 1;
|
|
else
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
function wcwidth(ucs) {
|
|
// test for 8-bit control characters
|
|
if (ucs === 0)
|
|
return opts.nul;
|
|
if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
|
|
return opts.control;
|
|
// binary search in table of non-spacing characters
|
|
if (bisearch(ucs))
|
|
return 0;
|
|
// if we arrive here, ucs is not a combining or C0/C1 control character
|
|
return 1 +
|
|
(
|
|
ucs >= 0x1100 &&
|
|
(
|
|
ucs <= 0x115f || // Hangul Jamo init. consonants
|
|
ucs == 0x2329 ||
|
|
ucs == 0x232a ||
|
|
(ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi
|
|
(ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
|
|
(ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
|
|
(ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
|
|
(ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
|
|
(ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
|
|
(ucs >= 0xffe0 && ucs <= 0xffe6) ||
|
|
(ucs >= 0x20000 && ucs <= 0x2fffd) ||
|
|
(ucs >= 0x30000 && ucs <= 0x3fffd)
|
|
)
|
|
);
|
|
}
|
|
return wcwidth;
|
|
})({nul: 0, control: 0}); // configurable options
|
|
|
|
/**
|
|
* Expose
|
|
*/
|
|
|
|
Terminal.EventEmitter = EventEmitter;
|
|
Terminal.inherits = inherits;
|
|
|
|
/**
|
|
* Adds an event listener to the terminal.
|
|
*
|
|
* @param {string} event The name of the event. TODO: Document all event types
|
|
* @param {function} callback The function to call when the event is triggered.
|
|
*/
|
|
Terminal.on = on;
|
|
Terminal.off = off;
|
|
Terminal.cancel = cancel;
|
|
|
|
module.exports = Terminal;
|