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ant-http/build/htdocs/term/term.js

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add websocket support, remote terminal as example
2016-11-12 17:39:11 +01:00
/**
* term.js - an xterm emulator
* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
* https://github.com/chjj/term.js
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Originally forked from (with the author's permission):
* Fabrice Bellard's javascript vt100 for jslinux:
* http://bellard.org/jslinux/
* Copyright (c) 2011 Fabrice Bellard
* The original design remains. The terminal itself
* has been extended to include xterm CSI codes, among
* other features.
*/
;(function() {
/**
* Terminal Emulation References:
* http://vt100.net/
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
* http://invisible-island.net/vttest/
* http://www.inwap.com/pdp10/ansicode.txt
* http://linux.die.net/man/4/console_codes
* http://linux.die.net/man/7/urxvt
*/
'use strict';
/**
* Shared
*/
var window = this
, document = this.document;
/**
* EventEmitter
*/
function EventEmitter() {
this._events = this._events || {};
}
EventEmitter.prototype.addListener = function(type, listener) {
this._events[type] = this._events[type] || [];
this._events[type].push(listener);
};
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
EventEmitter.prototype.removeListener = function(type, listener) {
if (!this._events[type]) return;
var obj = this._events[type]
, i = obj.length;
while (i--) {
if (obj[i] === listener || obj[i].listener === listener) {
obj.splice(i, 1);
return;
}
}
};
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
EventEmitter.prototype.removeAllListeners = function(type) {
if (this._events[type]) delete this._events[type];
};
EventEmitter.prototype.once = function(type, listener) {
function on() {
var args = Array.prototype.slice.call(arguments);
this.removeListener(type, on);
return listener.apply(this, args);
}
on.listener = listener;
return this.on(type, on);
};
EventEmitter.prototype.emit = function(type) {
if (!this._events[type]) return;
var args = Array.prototype.slice.call(arguments, 1)
, obj = this._events[type]
, l = obj.length
, i = 0;
for (; i < l; i++) {
obj[i].apply(this, args);
}
};
EventEmitter.prototype.listeners = function(type) {
return this._events[type] = this._events[type] || [];
};
/**
* Stream
*/
function Stream() {
EventEmitter.call(this);
}
inherits(Stream, EventEmitter);
Stream.prototype.pipe = function(dest, options) {
var src = this
, ondata
, onerror
, onend;
function unbind() {
src.removeListener('data', ondata);
src.removeListener('error', onerror);
src.removeListener('end', onend);
dest.removeListener('error', onerror);
dest.removeListener('close', unbind);
}
src.on('data', ondata = function(data) {
dest.write(data);
});
src.on('error', onerror = function(err) {
unbind();
if (!this.listeners('error').length) {
throw err;
}
});
src.on('end', onend = function() {
dest.end();
unbind();
});
dest.on('error', onerror);
dest.on('close', unbind);
dest.emit('pipe', src);
return dest;
};
/**
* States
*/
var normal = 0
, escaped = 1
, csi = 2
, osc = 3
, charset = 4
, dcs = 5
, ignore = 6
, UDK = { type: 'udk' };
/**
* Terminal
*/
function Terminal(options) {
var self = this;
if (!(this instanceof Terminal)) {
return new Terminal(arguments[0], arguments[1], arguments[2]);
}
Stream.call(this);
if (typeof options === 'number') {
options = {
cols: arguments[0],
rows: arguments[1],
handler: arguments[2]
};
}
options = options || {};
each(keys(Terminal.defaults), function(key) {
if (options[key] == null) {
options[key] = Terminal.options[key];
// Legacy:
if (Terminal[key] !== Terminal.defaults[key]) {
options[key] = Terminal[key];
}
}
self[key] = options[key];
});
if (options.colors.length === 8) {
options.colors = options.colors.concat(Terminal._colors.slice(8));
} else if (options.colors.length === 16) {
options.colors = options.colors.concat(Terminal._colors.slice(16));
} else if (options.colors.length === 10) {
options.colors = options.colors.slice(0, -2).concat(
Terminal._colors.slice(8, -2), options.colors.slice(-2));
} else if (options.colors.length === 18) {
options.colors = options.colors.slice(0, -2).concat(
Terminal._colors.slice(16, -2), options.colors.slice(-2));
}
this.colors = options.colors;
this.options = options;
// this.context = options.context || window;
// this.document = options.document || document;
this.parent = options.body || options.parent
|| (document ? document.getElementsByTagName('body')[0] : null);
this.cols = options.cols || options.geometry[0];
this.rows = options.rows || options.geometry[1];
// Act as though we are a node TTY stream:
this.setRawMode;
this.isTTY = true;
this.isRaw = true;
this.columns = this.cols;
this.rows = this.rows;
if (options.handler) {
this.on('data', options.handler);
}
this.ybase = 0;
this.ydisp = 0;
this.x = 0;
this.y = 0;
this.cursorState = 0;
this.cursorHidden = false;
this.convertEol;
this.state = 0;
this.queue = '';
this.scrollTop = 0;
this.scrollBottom = this.rows - 1;
// modes
this.applicationKeypad = false;
this.applicationCursor = false;
this.originMode = false;
this.insertMode = false;
this.wraparoundMode = false;
this.normal = null;
// select modes
this.prefixMode = false;
this.selectMode = false;
this.visualMode = false;
this.searchMode = false;
this.searchDown;
this.entry = '';
this.entryPrefix = 'Search: ';
this._real;
this._selected;
this._textarea;
// charset
this.charset = null;
this.gcharset = null;
this.glevel = 0;
this.charsets = [null];
// mouse properties
this.decLocator;
this.x10Mouse;
this.vt200Mouse;
this.vt300Mouse;
this.normalMouse;
this.mouseEvents;
this.sendFocus;
this.utfMouse;
this.sgrMouse;
this.urxvtMouse;
// misc
this.element;
this.children;
this.refreshStart;
this.refreshEnd;
this.savedX;
this.savedY;
this.savedCols;
// stream
this.readable = true;
this.writable = true;
this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);
this.curAttr = this.defAttr;
this.params = [];
this.currentParam = 0;
this.prefix = '';
this.postfix = '';
this.lines = [];
var i = this.rows;
while (i--) {
this.lines.push(this.blankLine());
}
this.tabs;
this.setupStops();
}
inherits(Terminal, Stream);
/**
* Colors
*/
// Colors 0-15
Terminal.tangoColors = [
// dark:
'#2e3436',
'#cc0000',
'#4e9a06',
'#c4a000',
'#3465a4',
'#75507b',
'#06989a',
'#d3d7cf',
// bright:
'#555753',
'#ef2929',
'#8ae234',
'#fce94f',
'#729fcf',
'#ad7fa8',
'#34e2e2',
'#eeeeec'
];
Terminal.xtermColors = [
// dark:
'#000000', // black
'#cd0000', // red3
'#00cd00', // green3
'#cdcd00', // yellow3
'#0000ee', // blue2
'#cd00cd', // magenta3
'#00cdcd', // cyan3
'#e5e5e5', // gray90
// bright:
'#7f7f7f', // gray50
'#ff0000', // red
'#00ff00', // green
'#ffff00', // yellow
'#5c5cff', // rgb:5c/5c/ff
'#ff00ff', // magenta
'#00ffff', // cyan
'#ffffff' // white
];
// Colors 0-15 + 16-255
// Much thanks to TooTallNate for writing this.
Terminal.colors = (function() {
var colors = Terminal.tangoColors.slice()
, r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]
, i;
// 16-231
i = 0;
for (; i < 216; i++) {
out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
}
// 232-255 (grey)
i = 0;
for (; i < 24; i++) {
r = 8 + i * 10;
out(r, r, r);
}
function out(r, g, b) {
colors.push('#' + hex(r) + hex(g) + hex(b));
}
function hex(c) {
c = c.toString(16);
return c.length < 2 ? '0' + c : c;
}
return colors;
})();
// Default BG/FG
Terminal.colors[256] = '#000000';
Terminal.colors[257] = '#f0f0f0';
Terminal._colors = Terminal.colors.slice();
Terminal.vcolors = (function() {
var out = []
, colors = Terminal.colors
, i = 0
, color;
for (; i < 256; i++) {
color = parseInt(colors[i].substring(1), 16);
out.push([
(color >> 16) & 0xff,
(color >> 8) & 0xff,
color & 0xff
]);
}
return out;
})();
/**
* Options
*/
Terminal.defaults = {
colors: Terminal.colors,
convertEol: false,
termName: 'xterm',
geometry: [80, 24],
cursorBlink: true,
visualBell: false,
popOnBell: false,
scrollback: 1000,
screenKeys: false,
debug: false,
useStyle: false
// programFeatures: false,
// focusKeys: false,
};
Terminal.options = {};
each(keys(Terminal.defaults), function(key) {
Terminal[key] = Terminal.defaults[key];
Terminal.options[key] = Terminal.defaults[key];
});
/**
* Focused Terminal
*/
Terminal.focus = null;
Terminal.prototype.focus = function() {
if (Terminal.focus === this) return;
if (Terminal.focus) {
Terminal.focus.blur();
}
if (this.sendFocus) this.send('\x1b[I');
this.showCursor();
// try {
// this.element.focus();
// } catch (e) {
// ;
// }
// this.emit('focus');
Terminal.focus = this;
};
Terminal.prototype.blur = function() {
if (Terminal.focus !== this) return;
this.cursorState = 0;
this.refresh(this.y, this.y);
if (this.sendFocus) this.send('\x1b[O');
// try {
// this.element.blur();
// } catch (e) {
// ;
// }
// this.emit('blur');
Terminal.focus = null;
};
/**
* Initialize global behavior
*/
Terminal.prototype.initGlobal = function() {
var document = this.document;
Terminal._boundDocs = Terminal._boundDocs || [];
if (~indexOf(Terminal._boundDocs, document)) {
return;
}
Terminal._boundDocs.push(document);
Terminal.bindPaste(document);
Terminal.bindKeys(document);
Terminal.bindCopy(document);
if (this.isMobile) {
this.fixMobile(document);
}
if (this.useStyle) {
Terminal.insertStyle(document, this.colors[256], this.colors[257]);
}
};
/**
* Bind to paste event
*/
Terminal.bindPaste = function(document) {
// This seems to work well for ctrl-V and middle-click,
// even without the contentEditable workaround.
var window = document.defaultView;
on(window, 'paste', function(ev) {
var term = Terminal.focus;
if (!term) return;
if (ev.clipboardData) {
term.send(ev.clipboardData.getData('text/plain'));
} else if (term.context.clipboardData) {
term.send(term.context.clipboardData.getData('Text'));
}
// Not necessary. Do it anyway for good measure.
term.element.contentEditable = 'inherit';
return cancel(ev);
});
};
/**
* Global Events for key handling
*/
Terminal.bindKeys = function(document) {
// We should only need to check `target === body` below,
// but we can check everything for good measure.
on(document, 'keydown', function(ev) {
if (!Terminal.focus) return;
var target = ev.target || ev.srcElement;
if (!target) return;
if (target === Terminal.focus.element
|| target === Terminal.focus.context
|| target === Terminal.focus.document
|| target === Terminal.focus.body
|| target === Terminal._textarea
|| target === Terminal.focus.parent) {
return Terminal.focus.keyDown(ev);
}
}, true);
on(document, 'keypress', function(ev) {
if (!Terminal.focus) return;
var target = ev.target || ev.srcElement;
if (!target) return;
if (target === Terminal.focus.element
|| target === Terminal.focus.context
|| target === Terminal.focus.document
|| target === Terminal.focus.body
|| target === Terminal._textarea
|| target === Terminal.focus.parent) {
return Terminal.focus.keyPress(ev);
}
}, true);
// If we click somewhere other than a
// terminal, unfocus the terminal.
on(document, 'mousedown', function(ev) {
if (!Terminal.focus) return;
var el = ev.target || ev.srcElement;
if (!el) return;
do {
if (el === Terminal.focus.element) return;
} while (el = el.parentNode);
Terminal.focus.blur();
});
};
/**
* Copy Selection w/ Ctrl-C (Select Mode)
*/
Terminal.bindCopy = function(document) {
var window = document.defaultView;
// if (!('onbeforecopy' in document)) {
// // Copies to *only* the clipboard.
// on(window, 'copy', function fn(ev) {
// var term = Terminal.focus;
// if (!term) return;
// if (!term._selected) return;
// var text = term.grabText(
// term._selected.x1, term._selected.x2,
// term._selected.y1, term._selected.y2);
// term.emit('copy', text);
// ev.clipboardData.setData('text/plain', text);
// });
// return;
// }
// Copies to primary selection *and* clipboard.
// NOTE: This may work better on capture phase,
// or using the `beforecopy` event.
on(window, 'copy', function(ev) {
var term = Terminal.focus;
if (!term) return;
if (!term._selected) return;
var textarea = term.getCopyTextarea();
var text = term.grabText(
term._selected.x1, term._selected.x2,
term._selected.y1, term._selected.y2);
term.emit('copy', text);
textarea.focus();
textarea.textContent = text;
textarea.value = text;
textarea.setSelectionRange(0, text.length);
setTimeout(function() {
term.element.focus();
term.focus();
}, 1);
});
};
/**
* Fix Mobile
*/
Terminal.prototype.fixMobile = function(document) {
var self = this;
var textarea = document.createElement('textarea');
textarea.style.position = 'absolute';
textarea.style.left = '-32000px';
textarea.style.top = '-32000px';
textarea.style.width = '0px';
textarea.style.height = '0px';
textarea.style.opacity = '0';
textarea.style.backgroundColor = 'transparent';
textarea.style.borderStyle = 'none';
textarea.style.outlineStyle = 'none';
textarea.autocapitalize = 'none';
textarea.autocorrect = 'off';
document.getElementsByTagName('body')[0].appendChild(textarea);
Terminal._textarea = textarea;
setTimeout(function() {
textarea.focus();
}, 1000);
if (this.isAndroid) {
on(textarea, 'change', function() {
var value = textarea.textContent || textarea.value;
textarea.value = '';
textarea.textContent = '';
self.send(value + '\r');
});
}
};
/**
* Insert a default style
*/
Terminal.insertStyle = function(document, bg, fg) {
var style = document.getElementById('term-style');
if (style) return;
var head = document.getElementsByTagName('head')[0];
if (!head) return;
var style = document.createElement('style');
style.id = 'term-style';
// textContent doesn't work well with IE for <style> elements.
style.innerHTML = ''
+ '.terminal {\n'
+ ' float: left;\n'
+ ' border: ' + bg + ' solid 5px;\n'
+ ' font-family: "DejaVu Sans Mono", "Liberation Mono", monospace;\n'
+ ' font-size: 11px;\n'
+ ' color: ' + fg + ';\n'
+ ' background: ' + bg + ';\n'
+ '}\n'
+ '\n'
+ '.terminal-cursor {\n'
+ ' color: ' + bg + ';\n'
+ ' background: ' + fg + ';\n'
+ '}\n';
// var out = '';
// each(Terminal.colors, function(color, i) {
// if (i === 256) {
// out += '\n.term-bg-color-default { background-color: ' + color + '; }';
// }
// if (i === 257) {
// out += '\n.term-fg-color-default { color: ' + color + '; }';
// }
// out += '\n.term-bg-color-' + i + ' { background-color: ' + color + '; }';
// out += '\n.term-fg-color-' + i + ' { color: ' + color + '; }';
// });
// style.innerHTML += out + '\n';
head.insertBefore(style, head.firstChild);
};
/**
* Open Terminal
*/
Terminal.prototype.open = function(parent) {
var self = this
, i = 0
, div;
this.parent = parent || this.parent;
if (!this.parent) {
throw new Error('Terminal requires a parent element.');
}
// Grab global elements.
this.context = this.parent.ownerDocument.defaultView;
this.document = this.parent.ownerDocument;
this.body = this.document.getElementsByTagName('body')[0];
// Parse user-agent strings.
if (this.context.navigator && this.context.navigator.userAgent) {
this.isMac = !!~this.context.navigator.userAgent.indexOf('Mac');
this.isIpad = !!~this.context.navigator.userAgent.indexOf('iPad');
this.isIphone = !!~this.context.navigator.userAgent.indexOf('iPhone');
this.isAndroid = !!~this.context.navigator.userAgent.indexOf('Android');
this.isMobile = this.isIpad || this.isIphone || this.isAndroid;
this.isMSIE = !!~this.context.navigator.userAgent.indexOf('MSIE');
}
// Create our main terminal element.
this.element = this.document.createElement('div');
this.element.className = 'terminal';
this.element.style.outline = 'none';
this.element.setAttribute('tabindex', 0);
this.element.setAttribute('spellcheck', 'false');
this.element.style.backgroundColor = this.colors[256];
this.element.style.color = this.colors[257];
// Create the lines for our terminal.
this.children = [];
for (; i < this.rows; i++) {
div = this.document.createElement('div');
this.element.appendChild(div);
this.children.push(div);
}
this.parent.appendChild(this.element);
// Draw the screen.
this.refresh(0, this.rows - 1);
if (!('useEvents' in this.options) || this.options.useEvents) {
// Initialize global actions that
// need to be taken on the document.
this.initGlobal();
}
if (!('useFocus' in this.options) || this.options.useFocus) {
// Ensure there is a Terminal.focus.
this.focus();
// Start blinking the cursor.
this.startBlink();
// Bind to DOM events related
// to focus and paste behavior.
on(this.element, 'focus', function() {
self.focus();
if (self.isMobile) {
Terminal._textarea.focus();
}
});
// This causes slightly funky behavior.
// on(this.element, 'blur', function() {
// self.blur();
// });
on(this.element, 'mousedown', function() {
self.focus();
});
// Clickable paste workaround, using contentEditable.
// This probably shouldn't work,
// ... but it does. Firefox's paste
// event seems to only work for textareas?
on(this.element, 'mousedown', function(ev) {
var button = ev.button != null
? +ev.button
: ev.which != null
? ev.which - 1
: null;
// Does IE9 do this?
if (self.isMSIE) {
button = button === 1 ? 0 : button === 4 ? 1 : button;
}
if (button !== 2) return;
self.element.contentEditable = 'true';
setTimeout(function() {
self.element.contentEditable = 'inherit'; // 'false';
}, 1);
}, true);
}
if (!('useMouse' in this.options) || this.options.useMouse) {
// Listen for mouse events and translate
// them into terminal mouse protocols.
this.bindMouse();
}
// this.emit('open');
if (!('useFocus' in this.options) || this.options.useFocus) {
// This can be useful for pasting,
// as well as the iPad fix.
setTimeout(function() {
self.element.focus();
}, 100);
}
// Figure out whether boldness affects
// the character width of monospace fonts.
if (Terminal.brokenBold == null) {
Terminal.brokenBold = isBoldBroken(this.document);
}
this.emit('open');
};
Terminal.prototype.setRawMode = function(value) {
this.isRaw = !!value;
};
// 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;
var wheelEvent = 'onmousewheel' in this.context
? 'mousewheel'
: 'DOMMouseScroll';
// mouseup, mousedown, mousewheel
// left click: ^[[M 3<^[[M#3<
// mousewheel 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.type) {
case 'mousedown':
pressed = button;
break;
case 'mouseup':
// keep it at the left
// button, just in case.
pressed = 32;
break;
case wheelEvent:
// 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.type) {
case 'mousedown':
button = ev.button != null
? +ev.button
: ev.which != null
? ev.which - 1
: null;
if (self.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 'mousewheel':
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.round((x / w) * self.cols);
y = Math.round((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: ev.type === wheelEvent
? 'mousewheel'
: ev.type
};
}
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) {
// XXX This seems to break certain programs.
// if (self.vt200Mouse) {
// sendButton({ __proto__: ev, type: 'mouseup' });
// return 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 cancel(ev);
});
}
return cancel(ev);
});
//if (self.normalMouse) {
// on(self.document, 'mousemove', sendMove);
//}
on(el, wheelEvent, function(ev) {
if (!self.mouseEvents) return;
if (self.x10Mouse
|| self.vt300Mouse
|| self.decLocator) return;
sendButton(ev);
return cancel(ev);
});
// allow mousewheel scrolling in
// the shell for example
on(el, wheelEvent, function(ev) {
if (self.mouseEvents) return;
if (self.applicationKeypad) return;
if (ev.type === 'DOMMouseScroll') {
self.scrollDisp(ev.detail < 0 ? -5 : 5);
} else {
self.scrollDisp(ev.wheelDeltaY > 0 ? -5 : 5);
}
return cancel(ev);
});
};
/**
* Destroy Terminal
*/
Terminal.prototype.close =
Terminal.prototype.destroySoon =
Terminal.prototype.destroy = function() {
if (this.destroyed) {
return;
}
if (this._blink) {
clearInterval(this._blink);
delete this._blink;
}
this.readable = false;
this.writable = false;
this.destroyed = true;
this._events = {};
this.handler = function() {};
this.write = function() {};
this.end = function() {};
if (this.element.parentNode) {
this.element.parentNode.removeChild(this.element);
}
this.emit('end');
this.emit('close');
this.emit('finish');
this.emit('destroy');
};
/**
* 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
Terminal.prototype.refresh = function(start, end) {
var x
, y
, i
, line
, out
, ch
, width
, data
, attr
, bg
, fg
, flags
, row
, parent;
if (end - start >= this.rows / 2) {
parent = this.element.parentNode;
if (parent) parent.removeChild(this.element);
}
width = this.cols;
y = start;
if (end >= this.lines.length) {
this.log('`end` is too large. Most likely a bad CSR.');
end = this.lines.length - 1;
}
for (; y <= end; y++) {
row = y + this.ydisp;
line = this.lines[row];
out = '';
if (y === this.y
&& this.cursorState
&& (this.ydisp === this.ybase || this.selectMode)
&& !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];
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">';
} else {
out += '<span style="';
bg = data & 0x1ff;
fg = (data >> 9) & 0x1ff;
flags = data >> 18;
// bold
if (flags & 1) {
if (!Terminal.brokenBold) {
out += 'font-weight:bold;';
}
// See: XTerm*boldColors
if (fg < 8) fg += 8;
}
// underline
if (flags & 2) {
out += 'text-decoration:underline;';
}
// blink
if (flags & 4) {
if (flags & 2) {
out = out.slice(0, -1);
out += ' blink;';
} else {
out += 'text-decoration:blink;';
}
}
// inverse
if (flags & 8) {
bg = (data >> 9) & 0x1ff;
fg = data & 0x1ff;
// Should inverse just be before the
// above boldColors effect instead?
if ((flags & 1) && fg < 8) fg += 8;
}
// invisible
if (flags & 16) {
out += 'visibility:hidden;';
}
// out += '" class="'
// + 'term-bg-color-' + bg
// + ' '
// + 'term-fg-color-' + fg
// + '">';
if (bg !== 256) {
out += 'background-color:'
+ this.colors[bg]
+ ';';
}
if (fg !== 257) {
out += 'color:'
+ this.colors[fg]
+ ';';
}
out += '">';
}
}
}
switch (ch) {
case '&':
out += '&amp;';
break;
case '<':
out += '&lt;';
break;
case '>':
out += '&gt;';
break;
default:
if (ch <= ' ') {
out += '&nbsp;';
} else {
if (isWide(ch)) i++;
out += ch;
}
break;
}
attr = data;
}
if (attr !== this.defAttr) {
out += '</span>';
}
this.children[y].innerHTML = out;
}
if (parent) parent.appendChild(this.element);
};
Terminal.prototype._cursorBlink = function() {
if (Terminal.focus !== this) return;
this.cursorState ^= 1;
this.refresh(this.y, this.y);
};
Terminal.prototype.showCursor = function() {
if (!this.cursorState) {
this.cursorState = 1;
this.refresh(this.y, this.y);
} else {
// Temporarily disabled:
// this.refreshBlink();
}
};
Terminal.prototype.startBlink = function() {
if (!this.cursorBlink) return;
var self = this;
this._blinker = function() {
self._cursorBlink();
};
this._blink = setInterval(this._blinker, 500);
};
Terminal.prototype.refreshBlink = function() {
if (!this.cursorBlink || !this._blink) return;
clearInterval(this._blink);
this._blink = setInterval(this._blinker, 500);
};
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);
}
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--;
this.ydisp = this.ybase;
}
this.lines.splice(this.ybase + this.scrollTop, 1);
}
// this.maxRange();
this.updateRange(this.scrollTop);
this.updateRange(this.scrollBottom);
};
Terminal.prototype.scrollDisp = function(disp) {
this.ydisp += disp;
if (this.ydisp > this.ybase) {
this.ydisp = this.ybase;
} else if (this.ydisp < 0) {
this.ydisp = 0;
}
this.refresh(0, this.rows - 1);
};
Terminal.prototype.write = function(data) {
var l = data.length
, i = 0
, j
, cs
, ch;
this.refreshStart = this.y;
this.refreshEnd = this.y;
if (this.ybase !== this.ydisp) {
this.ydisp = this.ybase;
this.maxRange();
}
// this.log(JSON.stringify(data.replace(/\x1b/g, '^[')));
for (; i < l; i++, this.lch = ch) {
ch = data[i];
switch (this.state) {
case normal:
switch (ch) {
// '\0'
// case '\0':
// case '\200':
// break;
// '\a'
case '\x07':
this.bell();
break;
// '\n', '\v', '\f'
case '\n':
case '\x0b':
case '\x0c':
if (this.convertEol) {
this.x = 0;
}
// TODO: Implement eat_newline_glitch.
// if (this.realX >= this.cols) break;
// this.realX = 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:
// ' '
if (ch >= ' ') {
if (this.charset && this.charset[ch]) {
ch = this.charset[ch];
}
if (this.x >= this.cols) {
this.x = 0;
this.y++;
if (this.y > this.scrollBottom) {
this.y--;
this.scroll();
}
}
this.lines[this.y + this.ybase][this.x] = [this.curAttr, ch];
this.x++;
this.updateRange(this.y);
if (isWide(ch)) {
j = this.y + this.ybase;
if (this.cols < 2 || this.x >= this.cols) {
this.lines[j][this.x - 1] = [this.curAttr, ' '];
break;
}
this.lines[j][this.x] = [this.curAttr, ' '];
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.prefix = '';
this.currentParam = '';
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 (DECPAM).
case '=':
this.log('Serial port requested application keypad.');
this.applicationKeypad = true;
this.state = normal;
break;
// ESC > Normal Keypad (DECPNM).
case '>':
this.log('Switching back to normal keypad.');
this.applicationKeypad = false;
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 ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') {
if (this.lch === '\x1b') {
if (typeof this.currentParam === 'string') {
this.currentParam = this.currentParam.slice(0, -1);
} else if (typeof this.currentParam == 'number') {
this.currentParam = (this.currentParam - ('\x1b'.charCodeAt(0) - 48)) / 10;
}
}
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 ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') {
// Workarounds:
if (this.prefix === 'tmux;\x1b') {
// `DCS tmux; Pt ST` may contain a Pt with an ST
// XXX Does tmux work this way?
// if (this.lch === '\x1b' & data[i + 1] === '\x1b' && data[i + 2] === '\\') {
// this.currentParam += ch;
// continue;
// }
// Tmux only accepts ST, not BEL:
if (ch === '\x07') {
this.currentParam += ch;
continue;
}
}
if (this.lch === '\x1b') {
if (typeof this.currentParam === 'string') {
this.currentParam = this.currentParam.slice(0, -1);
} else if (typeof this.currentParam == 'number') {
this.currentParam = (this.currentParam - ('\x1b'.charCodeAt(0) - 48)) / 10;
}
}
this.params.push(this.currentParam);
var pt = this.params[this.params.length - 1];
switch (this.prefix) {
// User-Defined Keys (DECUDK).
// DCS Ps; Ps| Pt ST
case UDK:
this.emit('udk', {
clearAll: this.params[0] === 0,
eraseBelow: this.params[0] === 1,
lockKeys: this.params[1] === 0,
dontLockKeys: this.params[1] === 1,
keyList: (this.params[2] + '').split(';').map(function(part) {
part = part.split('/');
return {
keyCode: part[0],
hexKeyValue: part[1]
};
})
});
break;
// Request Status String (DECRQSS).
// DCS $ q Pt ST
// test: echo -e '\eP$q"p\e\\'
case '$q':
var valid = 0;
switch (pt) {
// DECSCA
// CSI Ps " q
case '"q':
pt = '0"q';
valid = 1;
break;
// DECSCL
// CSI Ps ; Ps " p
case '"p':
pt = '61;0"p';
valid = 1;
break;
// DECSTBM
// CSI Ps ; Ps r
case 'r':
pt = ''
+ (this.scrollTop + 1)
+ ';'
+ (this.scrollBottom + 1)
+ 'r';
valid = 1;
break;
// SGR
// CSI Pm m
case 'm':
// TODO: Parse this.curAttr here.
// pt = '0m';
// valid = 1;
valid = 0; // Not implemented.
break;
default:
this.error('Unknown DCS Pt: %s.', pt);
valid = 0; // unimplemented
break;
}
this.send('\x1bP' + valid + '$r' + pt + '\x1b\\');
break;
// Set Termcap/Terminfo Data (xterm, experimental).
// DCS + p Pt ST
case '+p':
this.emit('set terminfo', {
name: this.params[0]
});
break;
// Request Termcap/Terminfo String (xterm, experimental)
// Regular xterm does not even respond to this sequence.
// This can cause a small glitch in vim.
// DCS + q Pt ST
// test: echo -ne '\eP+q6b64\e\\'
case '+q':
var valid = false;
this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\');
break;
// Implement tmux sequence forwarding is
// someone uses term.js for a multiplexer.
// DCS tmux; ESC Pt ST
case 'tmux;\x1b':
this.emit('passthrough', pt);
break;
default:
this.error('Unknown DCS prefix: %s.', pt);
break;
}
this.currentParam = 0;
this.prefix = '';
this.state = normal;
} else {
this.currentParam += ch;
if (!this.prefix) {
if (/^\d*;\d*\|/.test(this.currentParam)) {
this.prefix = UDK;
this.params = this.currentParam.split(/[;|]/).map(function(n) {
if (!n.length) return 0;
return +n;
}).slice(0, -1);
this.currentParam = '';
} else if (/^[$+][a-zA-Z]/.test(this.currentParam)
|| /^\w+;\x1b/.test(this.currentParam)) {
this.prefix = this.currentParam;
this.currentParam = '';
}
}
}
break;
case ignore:
// For PM and APC.
if ((this.lch === '\x1b' && ch === '\\') || ch === '\x07') {
this.state = normal;
}
break;
}
}
this.updateRange(this.y);
this.refresh(this.refreshStart, this.refreshEnd);
return true;
};
Terminal.prototype.writeln = function(data) {
return this.write(data + '\r\n');
};
Terminal.prototype.end = function(data) {
var ret = true;
if (data) {
ret = this.write(data);
}
this.destroySoon();
return ret;
};
Terminal.prototype.resume = function() {
;
};
Terminal.prototype.pause = function() {
;
};
// Key Resources:
// https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent
Terminal.prototype.keyDown = function(ev) {
var self = this
, key;
switch (ev.keyCode) {
// backspace
case 8:
if (ev.altKey) {
key = '\x17';
break;
}
if (ev.shiftKey) {
key = '\x08'; // ^H
break;
}
key = '\x7f'; // ^?
break;
// tab
case 9:
if (ev.shiftKey) {
key = '\x1b[Z';
break;
}
key = '\t';
break;
// return/enter
case 13:
key = '\r';
break;
// escape
case 27:
key = '\x1b';
break;
// space
case 32:
key = '\x20';
break;
// left-arrow
case 37:
if (this.applicationCursor) {
key = '\x1bOD'; // SS3 as ^[O for 7-bit
//key = '\x8fD'; // SS3 as 0x8f for 8-bit
break;
}
if (ev.ctrlKey) {
key = '\x1b[5D';
break;
}
key = '\x1b[D';
break;
// right-arrow
case 39:
if (this.applicationCursor) {
key = '\x1bOC';
break;
}
if (ev.ctrlKey) {
key = '\x1b[5C';
break;
}
key = '\x1b[C';
break;
// up-arrow
case 38:
if (this.applicationCursor) {
key = '\x1bOA';
break;
}
if (ev.ctrlKey) {
this.scrollDisp(-1);
return cancel(ev);
} else {
key = '\x1b[A';
}
break;
// down-arrow
case 40:
if (this.applicationCursor) {
key = '\x1bOB';
break;
}
if (ev.ctrlKey) {
this.scrollDisp(1);
return cancel(ev);
} else {
key = '\x1b[B';
}
break;
// delete
case 46:
key = '\x1b[3~';
break;
// insert
case 45:
key = '\x1b[2~';
break;
// home
case 36:
if (this.applicationKeypad) {
key = '\x1bOH';
break;
}
key = '\x1bOH';
break;
// end
case 35:
if (this.applicationKeypad) {
key = '\x1bOF';
break;
}
key = '\x1bOF';
break;
// page up
case 33:
if (ev.shiftKey) {
this.scrollDisp(-(this.rows - 1));
return cancel(ev);
} else {
key = '\x1b[5~';
}
break;
// page down
case 34:
if (ev.shiftKey) {
this.scrollDisp(this.rows - 1);
return cancel(ev);
} else {
key = '\x1b[6~';
}
break;
// F1
case 112:
key = '\x1bOP';
break;
// F2
case 113:
key = '\x1bOQ';
break;
// F3
case 114:
key = '\x1bOR';
break;
// F4
case 115:
key = '\x1bOS';
break;
// F5
case 116:
key = '\x1b[15~';
break;
// F6
case 117:
key = '\x1b[17~';
break;
// F7
case 118:
key = '\x1b[18~';
break;
// F8
case 119:
key = '\x1b[19~';
break;
// F9
case 120:
key = '\x1b[20~';
break;
// F10
case 121:
key = '\x1b[21~';
break;
// F11
case 122:
key = '\x1b[23~';
break;
// F12
case 123:
key = '\x1b[24~';
break;
default:
// a-z and space
if (ev.ctrlKey) {
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
// Ctrl-A
if (this.screenKeys) {
if (!this.prefixMode && !this.selectMode && ev.keyCode === 65) {
this.enterPrefix();
return cancel(ev);
}
}
// Ctrl-V
if (this.prefixMode && ev.keyCode === 86) {
this.leavePrefix();
return;
}
// Ctrl-C
if ((this.prefixMode || this.selectMode) && ev.keyCode === 67) {
if (this.visualMode) {
setTimeout(function() {
self.leaveVisual();
}, 1);
}
return;
}
key = String.fromCharCode(ev.keyCode - 64);
} else if (ev.keyCode === 32) {
// NUL
key = String.fromCharCode(0);
} else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
// escape, file sep, group sep, record sep, unit sep
key = String.fromCharCode(ev.keyCode - 51 + 27);
} else if (ev.keyCode === 56) {
// delete
key = String.fromCharCode(127);
} else if (ev.keyCode === 219) {
// ^[ - escape
key = String.fromCharCode(27);
} else if (ev.keyCode === 221) {
// ^] - group sep
key = String.fromCharCode(29);
}
} else if (ev.altKey) {
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
key = '\x1b' + String.fromCharCode(ev.keyCode + 32);
} else if (ev.keyCode === 192) {
key = '\x1b`';
} else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
key = '\x1b' + (ev.keyCode - 48);
}
}
break;
}
if (!key) return true;
if (this.prefixMode) {
this.leavePrefix();
return cancel(ev);
}
if (this.selectMode) {
this.keySelect(ev, key);
return cancel(ev);
}
this.emit('keydown', ev);
this.emit('key', key, ev);
this.showCursor();
this.handler(key);
return cancel(ev);
};
Terminal.prototype.setgLevel = function(g) {
this.glevel = g;
this.charset = this.charsets[g];
};
Terminal.prototype.setgCharset = function(g, charset) {
this.charsets[g] = charset;
if (this.glevel === g) {
this.charset = charset;
}
};
Terminal.prototype.keyPress = function(ev) {
var key;
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.ctrlKey || ev.altKey || ev.metaKey) return false;
key = String.fromCharCode(key);
if (this.prefixMode) {
this.leavePrefix();
this.keyPrefix(ev, key);
return false;
}
if (this.selectMode) {
this.keySelect(ev, key);
return false;
}
this.emit('keypress', key, ev);
this.emit('key', key, ev);
this.showCursor();
this.handler(key);
return false;
};
Terminal.prototype.send = function(data) {
var self = this;
if (!this.queue) {
setTimeout(function() {
self.handler(self.queue);
self.queue = '';
}, 1);
}
this.queue += data;
};
Terminal.prototype.bell = function() {
this.emit('bell');
if (!this.visualBell) return;
var self = this;
this.element.style.borderColor = 'white';
setTimeout(function() {
self.element.style.borderColor = '';
}, 10);
if (this.popOnBell) this.focus();
};
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);
};
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);
};
Terminal.prototype.resize = function(x, y) {
var line
, el
, i
, j
, ch;
if (x < 1) x = 1;
if (y < 1) y = 1;
// resize cols
j = this.cols;
if (j < x) {
ch = [this.defAttr, ' ']; // does xterm use the default attr?
i = this.lines.length;
while (i--) {
while (this.lines[i].length < x) {
this.lines[i].push(ch);
}
}
} else if (j > x) {
i = this.lines.length;
while (i--) {
while (this.lines[i].length > x) {
this.lines[i].pop();
}
}
}
this.setupStops(j);
this.cols = x;
this.columns = x;
// resize rows
j = this.rows;
if (j < y) {
el = this.element;
while (j++ < y) {
if (this.lines.length < y + this.ybase) {
this.lines.push(this.blankLine());
}
if (this.children.length < y) {
line = this.document.createElement('div');
el.appendChild(line);
this.children.push(line);
}
}
} else if (j > y) {
while (j-- > y) {
if (this.lines.length > y + this.ybase) {
this.lines.pop();
}
if (this.children.length > y) {
el = this.children.pop();
if (!el) continue;
el.parentNode.removeChild(el);
}
}
}
this.rows = y;
// make sure the cursor stays on screen
if (this.y >= y) this.y = y - 1;
if (this.x >= x) this.x = x - 1;
this.scrollTop = 0;
this.scrollBottom = y - 1;
this.refresh(0, this.rows - 1);
// it's a real nightmare trying
// to resize the original
// screen buffer. just set it
// to null for now.
this.normal = null;
// Act as though we are a node TTY stream:
this.emit('resize');
};
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;
// }
// }
};
Terminal.prototype.maxRange = function() {
this.refreshStart = 0;
this.refreshEnd = this.rows - 1;
};
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;
}
};
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;
};
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;
};
// back_color_erase feature for xterm.
Terminal.prototype.eraseAttr = function() {
// if (this.is('screen')) return this.defAttr;
return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
};
Terminal.prototype.eraseRight = function(x, y) {
var line = this.lines[this.ybase + y]
, ch = [this.eraseAttr(), ' ']; // xterm
for (; x < this.cols; x++) {
line[x] = ch;
}
this.updateRange(y);
};
Terminal.prototype.eraseLeft = function(x, y) {
var line = this.lines[this.ybase + y]
, ch = [this.eraseAttr(), ' ']; // xterm
x++;
while (x--) line[x] = ch;
this.updateRange(y);
};
Terminal.prototype.eraseLine = function(y) {
this.eraseRight(0, y);
};
Terminal.prototype.blankLine = function(cur) {
var attr = cur
? this.eraseAttr()
: this.defAttr;
var ch = [attr, ' ']
, line = []
, i = 0;
for (; i < this.cols; i++) {
line[i] = ch;
}
return line;
};
Terminal.prototype.ch = function(cur) {
return cur
? [this.eraseAttr(), ' ']
: [this.defAttr, ' '];
};
Terminal.prototype.is = function(term) {
var name = this.termName;
return (name + '').indexOf(term) === 0;
};
Terminal.prototype.handler = function(data) {
this.emit('data', data);
};
Terminal.prototype.handleTitle = function(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;
Terminal.call(this, this.options);
this.refresh(0, this.rows - 1);
};
// 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(), ' ']; // 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(), ' ']; // 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(), ' ']; // 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;
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;
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, ' '];
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.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 ? Pm s
// Save DEC Private Mode Values. Ps values are the same as for
// DECSET.
Terminal.prototype.savePrivateValues = function(params) {
;
};
// CSI Ps ; Ps ; Ps t
// Window manipulation (from dtterm, as well as extensions).
// These controls may be disabled using the allowWindowOps
// resource. Valid values for the first (and any additional
// parameters) are:
// Ps = 1 -> De-iconify window.
// Ps = 2 -> Iconify window.
// Ps = 3 ; x ; y -> Move window to [x, y].
// Ps = 4 ; height ; width -> Resize the xterm window to
// height and width in pixels.
// Ps = 5 -> Raise the xterm window to the front of the stack-
// ing order.
// Ps = 6 -> Lower the xterm window to the bottom of the
// stacking order.
// Ps = 7 -> Refresh the xterm window.
// Ps = 8 ; height ; width -> Resize the text area to
// [height;width] in characters.
// Ps = 9 ; 0 -> Restore maximized window.
// Ps = 9 ; 1 -> Maximize window (i.e., resize to screen
// size).
// Ps = 1 0 ; 0 -> Undo full-screen mode.
// Ps = 1 0 ; 1 -> Change to full-screen.
// Ps = 1 1 -> Report xterm window state. If the xterm window
// is open (non-iconified), it returns CSI 1 t . If the xterm
// window is iconified, it returns CSI 2 t .
// Ps = 1 3 -> Report xterm window position. Result is CSI 3
// ; x ; y t
// Ps = 1 4 -> Report xterm window in pixels. Result is CSI
// 4 ; height ; width t
// Ps = 1 8 -> Report the size of the text area in characters.
// Result is CSI 8 ; height ; width t
// Ps = 1 9 -> Report the size of the screen in characters.
// Result is CSI 9 ; height ; width t
// Ps = 2 0 -> Report xterm window's icon label. Result is
// OSC L label ST
// Ps = 2 1 -> Report xterm window's title. Result is OSC l
// label ST
// Ps = 2 2 ; 0 -> Save xterm icon and window title on
// stack.
// Ps = 2 2 ; 1 -> Save xterm icon title on stack.
// Ps = 2 2 ; 2 -> Save xterm window title on stack.
// Ps = 2 3 ; 0 -> Restore xterm icon and window title from
// stack.
// Ps = 2 3 ; 1 -> Restore xterm icon title from stack.
// Ps = 2 3 ; 2 -> Restore xterm window title from stack.
// Ps >= 2 4 -> Resize to Ps lines (DECSLPP).
Terminal.prototype.manipulateWindow = function(params) {
;
};
// CSI Pt; Pl; Pb; Pr; Ps$ t
// Reverse Attributes in Rectangular Area (DECRARA), VT400 and
// up.
// Pt; Pl; Pb; Pr denotes the rectangle.
// Ps denotes the attributes to reverse, i.e., 1, 4, 5, 7.
// NOTE: xterm doesn't enable this code by default.
Terminal.prototype.reverseAttrInRectangle = function(params) {
;
};
// CSI > Ps; Ps t
// Set one or more features of the title modes. Each parameter
// enables a single feature.
// Ps = 0 -> Set window/icon labels using hexadecimal.
// Ps = 1 -> Query window/icon labels using hexadecimal.
// Ps = 2 -> Set window/icon labels using UTF-8.
// Ps = 3 -> Query window/icon labels using UTF-8. (See dis-
// cussion of "Title Modes")
Terminal.prototype.setTitleModeFeature = function(params) {
;
};
// CSI Ps SP t
// Set warning-bell volume (DECSWBV, VT520).
// Ps = 0 or 1 -> off.
// Ps = 2 , 3 or 4 -> low.
// Ps = 5 , 6 , 7 , or 8 -> high.
Terminal.prototype.setWarningBellVolume = function(params) {
;
};
// CSI Ps SP u
// Set margin-bell volume (DECSMBV, VT520).
// Ps = 1 -> off.
// Ps = 2 , 3 or 4 -> low.
// Ps = 0 , 5 , 6 , 7 , or 8 -> high.
Terminal.prototype.setMarginBellVolume = function(params) {
;
};
// CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
// Copy Rectangular Area (DECCRA, VT400 and up).
// Pt; Pl; Pb; Pr denotes the rectangle.
// Pp denotes the source page.
// Pt; Pl denotes the target location.
// Pp denotes the target page.
// NOTE: xterm doesn't enable this code by default.
Terminal.prototype.copyRectangle = function(params) {
;
};
// CSI Pt ; Pl ; Pb ; Pr ' w
// Enable Filter Rectangle (DECEFR), VT420 and up.
// Parameters are [top;left;bottom;right].
// Defines the coordinates of a filter rectangle and activates
// it. Anytime the locator is detected outside of the filter
// rectangle, an outside rectangle event is generated and the
// rectangle is disabled. Filter rectangles are always treated
// as "one-shot" events. Any parameters that are omitted default
// to the current locator position. If all parameters are omit-
// ted, any locator motion will be reported. DECELR always can-
// cels any prevous rectangle definition.
Terminal.prototype.enableFilterRectangle = function(params) {
;
};
// CSI Ps x Request Terminal Parameters (DECREQTPARM).
// if Ps is a "0" (default) or "1", and xterm is emulating VT100,
// the control sequence elicits a response of the same form whose
// parameters describe the terminal:
// Ps -> the given Ps incremented by 2.
// Pn = 1 <- no parity.
// Pn = 1 <- eight bits.
// Pn = 1 <- 2 8 transmit 38.4k baud.
// Pn = 1 <- 2 8 receive 38.4k baud.
// Pn = 1 <- clock multiplier.
// Pn = 0 <- STP flags.
Terminal.prototype.requestParameters = function(params) {
;
};
// CSI Ps x Select Attribute Change Extent (DECSACE).
// Ps = 0 -> from start to end position, wrapped.
// Ps = 1 -> from start to end position, wrapped.
// Ps = 2 -> rectangle (exact).
Terminal.prototype.selectChangeExtent = function(params) {
;
};
// 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(), ' ']; // 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 Pm ' {
// Select Locator Events (DECSLE).
// Valid values for the first (and any additional parameters)
// are:
// Ps = 0 -> only respond to explicit host requests (DECRQLP).
// (This is default). It also cancels any filter
// rectangle.
// Ps = 1 -> report button down transitions.
// Ps = 2 -> do not report button down transitions.
// Ps = 3 -> report button up transitions.
// Ps = 4 -> do not report button up transitions.
Terminal.prototype.setLocatorEvents = function(params) {
;
};
// CSI Pt; Pl; Pb; Pr$ {
// Selective Erase Rectangular Area (DECSERA), VT400 and up.
// Pt; Pl; Pb; Pr denotes the rectangle.
Terminal.prototype.selectiveEraseRectangle = function(params) {
;
};
// CSI Ps ' |
// Request Locator Position (DECRQLP).
// Valid values for the parameter are:
// Ps = 0 , 1 or omitted -> transmit a single DECLRP locator
// report.
// If Locator Reporting has been enabled by a DECELR, xterm will
// respond with a DECLRP Locator Report. This report is also
// generated on button up and down events if they have been
// enabled with a DECSLE, or when the locator is detected outside
// of a filter rectangle, if filter rectangles have been enabled
// with a DECEFR.
// -> CSI Pe ; Pb ; Pr ; Pc ; Pp & w
// Parameters are [event;button;row;column;page].
// Valid values for the event:
// Pe = 0 -> locator unavailable - no other parameters sent.
// Pe = 1 -> request - xterm received a DECRQLP.
// Pe = 2 -> left button down.
// Pe = 3 -> left button up.
// Pe = 4 -> middle button down.
// Pe = 5 -> middle button up.
// Pe = 6 -> right button down.
// Pe = 7 -> right button up.
// Pe = 8 -> M4 button down.
// Pe = 9 -> M4 button up.
// Pe = 1 0 -> locator outside filter rectangle.
// ``button'' parameter is a bitmask indicating which buttons are
// pressed:
// Pb = 0 <- no buttons down.
// Pb & 1 <- right button down.
// Pb & 2 <- middle button down.
// Pb & 4 <- left button down.
// Pb & 8 <- M4 button down.
// ``row'' and ``column'' parameters are the coordinates of the
// locator position in the xterm window, encoded as ASCII deci-
// mal.
// The ``page'' parameter is not used by xterm, and will be omit-
// ted.
Terminal.prototype.requestLocatorPosition = function(params) {
;
};
// 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(), ' '] // 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(), ' '] // 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();
};
/**
* Prefix/Select/Visual/Search Modes
*/
Terminal.prototype.enterPrefix = function() {
this.prefixMode = true;
};
Terminal.prototype.leavePrefix = function() {
this.prefixMode = false;
};
Terminal.prototype.enterSelect = function() {
this._real = {
x: this.x,
y: this.y,
ydisp: this.ydisp,
ybase: this.ybase,
cursorHidden: this.cursorHidden,
lines: this.copyBuffer(this.lines),
write: this.write
};
this.write = function() {};
this.selectMode = true;
this.visualMode = false;
this.cursorHidden = false;
this.refresh(this.y, this.y);
};
Terminal.prototype.leaveSelect = function() {
this.x = this._real.x;
this.y = this._real.y;
this.ydisp = this._real.ydisp;
this.ybase = this._real.ybase;
this.cursorHidden = this._real.cursorHidden;
this.lines = this._real.lines;
this.write = this._real.write;
delete this._real;
this.selectMode = false;
this.visualMode = false;
this.refresh(0, this.rows - 1);
};
Terminal.prototype.enterVisual = function() {
this._real.preVisual = this.copyBuffer(this.lines);
this.selectText(this.x, this.x, this.ydisp + this.y, this.ydisp + this.y);
this.visualMode = true;
};
Terminal.prototype.leaveVisual = function() {
this.lines = this._real.preVisual;
delete this._real.preVisual;
delete this._selected;
this.visualMode = false;
this.refresh(0, this.rows - 1);
};
Terminal.prototype.enterSearch = function(down) {
this.entry = '';
this.searchMode = true;
this.searchDown = down;
this._real.preSearch = this.copyBuffer(this.lines);
this._real.preSearchX = this.x;
this._real.preSearchY = this.y;
var bottom = this.ydisp + this.rows - 1;
for (var i = 0; i < this.entryPrefix.length; i++) {
//this.lines[bottom][i][0] = (this.defAttr & ~0x1ff) | 4;
//this.lines[bottom][i][1] = this.entryPrefix[i];
this.lines[bottom][i] = [
(this.defAttr & ~0x1ff) | 4,
this.entryPrefix[i]
];
}
this.y = this.rows - 1;
this.x = this.entryPrefix.length;
this.refresh(this.rows - 1, this.rows - 1);
};
Terminal.prototype.leaveSearch = function() {
this.searchMode = false;
if (this._real.preSearch) {
this.lines = this._real.preSearch;
this.x = this._real.preSearchX;
this.y = this._real.preSearchY;
delete this._real.preSearch;
delete this._real.preSearchX;
delete this._real.preSearchY;
}
this.refresh(this.rows - 1, this.rows - 1);
};
Terminal.prototype.copyBuffer = function(lines) {
var lines = lines || this.lines
, out = [];
for (var y = 0; y < lines.length; y++) {
out[y] = [];
for (var x = 0; x < lines[y].length; x++) {
out[y][x] = [lines[y][x][0], lines[y][x][1]];
}
}
return out;
};
Terminal.prototype.getCopyTextarea = function(text) {
var textarea = this._copyTextarea
, document = this.document;
if (!textarea) {
textarea = document.createElement('textarea');
textarea.style.position = 'absolute';
textarea.style.left = '-32000px';
textarea.style.top = '-32000px';
textarea.style.width = '0px';
textarea.style.height = '0px';
textarea.style.opacity = '0';
textarea.style.backgroundColor = 'transparent';
textarea.style.borderStyle = 'none';
textarea.style.outlineStyle = 'none';
document.getElementsByTagName('body')[0].appendChild(textarea);
this._copyTextarea = textarea;
}
return textarea;
};
// NOTE: Only works for primary selection on X11.
// Non-X11 users should use Ctrl-C instead.
Terminal.prototype.copyText = function(text) {
var self = this
, textarea = this.getCopyTextarea();
this.emit('copy', text);
textarea.focus();
textarea.textContent = text;
textarea.value = text;
textarea.setSelectionRange(0, text.length);
setTimeout(function() {
self.element.focus();
self.focus();
}, 1);
};
Terminal.prototype.selectText = function(x1, x2, y1, y2) {
var ox1
, ox2
, oy1
, oy2
, tmp
, x
, y
, xl
, attr;
if (this._selected) {
ox1 = this._selected.x1;
ox2 = this._selected.x2;
oy1 = this._selected.y1;
oy2 = this._selected.y2;
if (oy2 < oy1) {
tmp = ox2;
ox2 = ox1;
ox1 = tmp;
tmp = oy2;
oy2 = oy1;
oy1 = tmp;
}
if (ox2 < ox1 && oy1 === oy2) {
tmp = ox2;
ox2 = ox1;
ox1 = tmp;
}
for (y = oy1; y <= oy2; y++) {
x = 0;
xl = this.cols - 1;
if (y === oy1) {
x = ox1;
}
if (y === oy2) {
xl = ox2;
}
for (; x <= xl; x++) {
if (this.lines[y][x].old != null) {
//this.lines[y][x][0] = this.lines[y][x].old;
//delete this.lines[y][x].old;
attr = this.lines[y][x].old;
delete this.lines[y][x].old;
this.lines[y][x] = [attr, this.lines[y][x][1]];
}
}
}
y1 = this._selected.y1;
x1 = this._selected.x1;
}
y1 = Math.max(y1, 0);
y1 = Math.min(y1, this.ydisp + this.rows - 1);
y2 = Math.max(y2, 0);
y2 = Math.min(y2, this.ydisp + this.rows - 1);
this._selected = { x1: x1, x2: x2, y1: y1, y2: y2 };
if (y2 < y1) {
tmp = x2;
x2 = x1;
x1 = tmp;
tmp = y2;
y2 = y1;
y1 = tmp;
}
if (x2 < x1 && y1 === y2) {
tmp = x2;
x2 = x1;
x1 = tmp;
}
for (y = y1; y <= y2; y++) {
x = 0;
xl = this.cols - 1;
if (y === y1) {
x = x1;
}
if (y === y2) {
xl = x2;
}
for (; x <= xl; x++) {
//this.lines[y][x].old = this.lines[y][x][0];
//this.lines[y][x][0] &= ~0x1ff;
//this.lines[y][x][0] |= (0x1ff << 9) | 4;
attr = this.lines[y][x][0];
this.lines[y][x] = [
(attr & ~0x1ff) | ((0x1ff << 9) | 4),
this.lines[y][x][1]
];
this.lines[y][x].old = attr;
}
}
y1 = y1 - this.ydisp;
y2 = y2 - this.ydisp;
y1 = Math.max(y1, 0);
y1 = Math.min(y1, this.rows - 1);
y2 = Math.max(y2, 0);
y2 = Math.min(y2, this.rows - 1);
//this.refresh(y1, y2);
this.refresh(0, this.rows - 1);
};
Terminal.prototype.grabText = function(x1, x2, y1, y2) {
var out = ''
, buf = ''
, ch
, x
, y
, xl
, tmp;
if (y2 < y1) {
tmp = x2;
x2 = x1;
x1 = tmp;
tmp = y2;
y2 = y1;
y1 = tmp;
}
if (x2 < x1 && y1 === y2) {
tmp = x2;
x2 = x1;
x1 = tmp;
}
for (y = y1; y <= y2; y++) {
x = 0;
xl = this.cols - 1;
if (y === y1) {
x = x1;
}
if (y === y2) {
xl = x2;
}
for (; x <= xl; x++) {
ch = this.lines[y][x][1];
if (ch === ' ') {
buf += ch;
continue;
}
if (buf) {
out += buf;
buf = '';
}
out += ch;
if (isWide(ch)) x++;
}
buf = '';
out += '\n';
}
// If we're not at the end of the
// line, don't add a newline.
for (x = x2, y = y2; x < this.cols; x++) {
if (this.lines[y][x][1] !== ' ') {
out = out.slice(0, -1);
break;
}
}
return out;
};
Terminal.prototype.keyPrefix = function(ev, key) {
if (key === 'k' || key === '&') {
this.destroy();
} else if (key === 'p' || key === ']') {
this.emit('request paste');
} else if (key === 'c') {
this.emit('request create');
} else if (key >= '0' && key <= '9') {
key = +key - 1;
if (!~key) key = 9;
this.emit('request term', key);
} else if (key === 'n') {
this.emit('request term next');
} else if (key === 'P') {
this.emit('request term previous');
} else if (key === ':') {
this.emit('request command mode');
} else if (key === '[') {
this.enterSelect();
}
};
Terminal.prototype.keySelect = function(ev, key) {
this.showCursor();
if (this.searchMode || key === 'n' || key === 'N') {
return this.keySearch(ev, key);
}
if (key === '\x04') { // ctrl-d
var y = this.ydisp + this.y;
if (this.ydisp === this.ybase) {
// Mimic vim behavior
this.y = Math.min(this.y + (this.rows - 1) / 2 | 0, this.rows - 1);
this.refresh(0, this.rows - 1);
} else {
this.scrollDisp((this.rows - 1) / 2 | 0);
}
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
}
return;
}
if (key === '\x15') { // ctrl-u
var y = this.ydisp + this.y;
if (this.ydisp === 0) {
// Mimic vim behavior
this.y = Math.max(this.y - (this.rows - 1) / 2 | 0, 0);
this.refresh(0, this.rows - 1);
} else {
this.scrollDisp(-(this.rows - 1) / 2 | 0);
}
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
}
return;
}
if (key === '\x06') { // ctrl-f
var y = this.ydisp + this.y;
this.scrollDisp(this.rows - 1);
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
}
return;
}
if (key === '\x02') { // ctrl-b
var y = this.ydisp + this.y;
this.scrollDisp(-(this.rows - 1));
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
}
return;
}
if (key === 'k' || key === '\x1b[A') {
var y = this.ydisp + this.y;
this.y--;
if (this.y < 0) {
this.y = 0;
this.scrollDisp(-1);
}
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
} else {
this.refresh(this.y, this.y + 1);
}
return;
}
if (key === 'j' || key === '\x1b[B') {
var y = this.ydisp + this.y;
this.y++;
if (this.y >= this.rows) {
this.y = this.rows - 1;
this.scrollDisp(1);
}
if (this.visualMode) {
this.selectText(this.x, this.x, y, this.ydisp + this.y);
} else {
this.refresh(this.y - 1, this.y);
}
return;
}
if (key === 'h' || key === '\x1b[D') {
var x = this.x;
this.x--;
if (this.x < 0) {
this.x = 0;
}
if (this.visualMode) {
this.selectText(x, this.x, this.ydisp + this.y, this.ydisp + this.y);
} else {
this.refresh(this.y, this.y);
}
return;
}
if (key === 'l' || key === '\x1b[C') {
var x = this.x;
this.x++;
if (this.x >= this.cols) {
this.x = this.cols - 1;
}
if (this.visualMode) {
this.selectText(x, this.x, this.ydisp + this.y, this.ydisp + this.y);
} else {
this.refresh(this.y, this.y);
}
return;
}
if (key === 'v' || key === ' ') {
if (!this.visualMode) {
this.enterVisual();
} else {
this.leaveVisual();
}
return;
}
if (key === 'y') {
if (this.visualMode) {
var text = this.grabText(
this._selected.x1, this._selected.x2,
this._selected.y1, this._selected.y2);
this.copyText(text);
this.leaveVisual();
// this.leaveSelect();
}
return;
}
if (key === 'q' || key === '\x1b') {
if (this.visualMode) {
this.leaveVisual();
} else {
this.leaveSelect();
}
return;
}
if (key === 'w' || key === 'W') {
var ox = this.x;
var oy = this.y;
var oyd = this.ydisp;
var x = this.x;
var y = this.y;
var yb = this.ydisp;
var saw_space = false;
for (;;) {
var line = this.lines[yb + y];
while (x < this.cols) {
if (line[x][1] <= ' ') {
saw_space = true;
} else if (saw_space) {
break;
}
x++;
}
if (x >= this.cols) x = this.cols - 1;
if (x === this.cols - 1 && line[x][1] <= ' ') {
x = 0;
if (++y >= this.rows) {
y--;
if (++yb > this.ybase) {
yb = this.ybase;
x = this.x;
break;
}
}
continue;
}
break;
}
this.x = x, this.y = y;
this.scrollDisp(-this.ydisp + yb);
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
if (key === 'b' || key === 'B') {
var ox = this.x;
var oy = this.y;
var oyd = this.ydisp;
var x = this.x;
var y = this.y;
var yb = this.ydisp;
for (;;) {
var line = this.lines[yb + y];
var saw_space = x > 0 && line[x][1] > ' ' && line[x - 1][1] > ' ';
while (x >= 0) {
if (line[x][1] <= ' ') {
if (saw_space && (x + 1 < this.cols && line[x + 1][1] > ' ')) {
x++;
break;
} else {
saw_space = true;
}
}
x--;
}
if (x < 0) x = 0;
if (x === 0 && (line[x][1] <= ' ' || !saw_space)) {
x = this.cols - 1;
if (--y < 0) {
y++;
if (--yb < 0) {
yb++;
x = 0;
break;
}
}
continue;
}
break;
}
this.x = x, this.y = y;
this.scrollDisp(-this.ydisp + yb);
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
if (key === 'e' || key === 'E') {
var x = this.x + 1;
var y = this.y;
var yb = this.ydisp;
if (x >= this.cols) x--;
for (;;) {
var line = this.lines[yb + y];
while (x < this.cols) {
if (line[x][1] <= ' ') {
x++;
} else {
break;
}
}
while (x < this.cols) {
if (line[x][1] <= ' ') {
if (x - 1 >= 0 && line[x - 1][1] > ' ') {
x--;
break;
}
}
x++;
}
if (x >= this.cols) x = this.cols - 1;
if (x === this.cols - 1 && line[x][1] <= ' ') {
x = 0;
if (++y >= this.rows) {
y--;
if (++yb > this.ybase) {
yb = this.ybase;
break;
}
}
continue;
}
break;
}
this.x = x, this.y = y;
this.scrollDisp(-this.ydisp + yb);
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
if (key === '^' || key === '0') {
var ox = this.x;
if (key === '0') {
this.x = 0;
} else if (key === '^') {
var line = this.lines[this.ydisp + this.y];
var x = 0;
while (x < this.cols) {
if (line[x][1] > ' ') {
break;
}
x++;
}
if (x >= this.cols) x = this.cols - 1;
this.x = x;
}
if (this.visualMode) {
this.selectText(ox, this.x, this.ydisp + this.y, this.ydisp + this.y);
} else {
this.refresh(this.y, this.y);
}
return;
}
if (key === '$') {
var ox = this.x;
var line = this.lines[this.ydisp + this.y];
var x = this.cols - 1;
while (x >= 0) {
if (line[x][1] > ' ') {
if (this.visualMode && x < this.cols - 1) x++;
break;
}
x--;
}
if (x < 0) x = 0;
this.x = x;
if (this.visualMode) {
this.selectText(ox, this.x, this.ydisp + this.y, this.ydisp + this.y);
} else {
this.refresh(this.y, this.y);
}
return;
}
if (key === 'g' || key === 'G') {
var ox = this.x;
var oy = this.y;
var oyd = this.ydisp;
if (key === 'g') {
this.x = 0, this.y = 0;
this.scrollDisp(-this.ydisp);
} else if (key === 'G') {
this.x = 0, this.y = this.rows - 1;
this.scrollDisp(this.ybase);
}
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
if (key === 'H' || key === 'M' || key === 'L') {
var ox = this.x;
var oy = this.y;
if (key === 'H') {
this.x = 0, this.y = 0;
} else if (key === 'M') {
this.x = 0, this.y = this.rows / 2 | 0;
} else if (key === 'L') {
this.x = 0, this.y = this.rows - 1;
}
if (this.visualMode) {
this.selectText(ox, this.x, this.ydisp + oy, this.ydisp + this.y);
} else {
this.refresh(oy, oy);
this.refresh(this.y, this.y);
}
return;
}
if (key === '{' || key === '}') {
var ox = this.x;
var oy = this.y;
var oyd = this.ydisp;
var line;
var saw_full = false;
var found = false;
var first_is_space = -1;
var y = this.y + (key === '{' ? -1 : 1);
var yb = this.ydisp;
var i;
if (key === '{') {
if (y < 0) {
y++;
if (yb > 0) yb--;
}
} else if (key === '}') {
if (y >= this.rows) {
y--;
if (yb < this.ybase) yb++;
}
}
for (;;) {
line = this.lines[yb + y];
for (i = 0; i < this.cols; i++) {
if (line[i][1] > ' ') {
if (first_is_space === -1) {
first_is_space = 0;
}
saw_full = true;
break;
} else if (i === this.cols - 1) {
if (first_is_space === -1) {
first_is_space = 1;
} else if (first_is_space === 0) {
found = true;
} else if (first_is_space === 1) {
if (saw_full) found = true;
}
break;
}
}
if (found) break;
if (key === '{') {
y--;
if (y < 0) {
y++;
if (yb > 0) yb--;
else break;
}
} else if (key === '}') {
y++;
if (y >= this.rows) {
y--;
if (yb < this.ybase) yb++;
else break;
}
}
}
if (!found) {
if (key === '{') {
y = 0;
yb = 0;
} else if (key === '}') {
y = this.rows - 1;
yb = this.ybase;
}
}
this.x = 0, this.y = y;
this.scrollDisp(-this.ydisp + yb);
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
if (key === '/' || key === '?') {
if (!this.visualMode) {
this.enterSearch(key === '/');
}
return;
}
return false;
};
Terminal.prototype.keySearch = function(ev, key) {
if (key === '\x1b') {
this.leaveSearch();
return;
}
if (key === '\r' || (!this.searchMode && (key === 'n' || key === 'N'))) {
this.leaveSearch();
var entry = this.entry;
if (!entry) {
this.refresh(0, this.rows - 1);
return;
}
var ox = this.x;
var oy = this.y;
var oyd = this.ydisp;
var line;
var found = false;
var wrapped = false;
var x = this.x + 1;
var y = this.ydisp + this.y;
var yb, i;
var up = key === 'N'
? this.searchDown
: !this.searchDown;
for (;;) {
line = this.lines[y];
while (x < this.cols) {
for (i = 0; i < entry.length; i++) {
if (x + i >= this.cols) break;
if (line[x + i][1] !== entry[i]) {
break;
} else if (line[x + i][1] === entry[i] && i === entry.length - 1) {
found = true;
break;
}
}
if (found) break;
x += i + 1;
}
if (found) break;
x = 0;
if (!up) {
y++;
if (y > this.ybase + this.rows - 1) {
if (wrapped) break;
// this.setMessage('Search wrapped. Continuing at TOP.');
wrapped = true;
y = 0;
}
} else {
y--;
if (y < 0) {
if (wrapped) break;
// this.setMessage('Search wrapped. Continuing at BOTTOM.');
wrapped = true;
y = this.ybase + this.rows - 1;
}
}
}
if (found) {
if (y - this.ybase < 0) {
yb = y;
y = 0;
if (yb > this.ybase) {
y = yb - this.ybase;
yb = this.ybase;
}
} else {
yb = this.ybase;
y -= this.ybase;
}
this.x = x, this.y = y;
this.scrollDisp(-this.ydisp + yb);
if (this.visualMode) {
this.selectText(ox, this.x, oy + oyd, this.ydisp + this.y);
}
return;
}
// this.setMessage("No matches found.");
this.refresh(0, this.rows - 1);
return;
}
if (key === '\b' || key === '\x7f') {
if (this.entry.length === 0) return;
var bottom = this.ydisp + this.rows - 1;
this.entry = this.entry.slice(0, -1);
var i = this.entryPrefix.length + this.entry.length;
//this.lines[bottom][i][1] = ' ';
this.lines[bottom][i] = [
this.lines[bottom][i][0],
' '
];
this.x--;
this.refresh(this.rows - 1, this.rows - 1);
this.refresh(this.y, this.y);
return;
}
if (key.length === 1 && key >= ' ' && key <= '~') {
var bottom = this.ydisp + this.rows - 1;
this.entry += key;
var i = this.entryPrefix.length + this.entry.length - 1;
//this.lines[bottom][i][0] = (this.defAttr & ~0x1ff) | 4;
//this.lines[bottom][i][1] = key;
this.lines[bottom][i] = [
(this.defAttr & ~0x1ff) | 4,
key
];
this.x++;
this.refresh(this.rows - 1, this.rows - 1);
this.refresh(this.y, this.y);
return;
}
return false;
};
/**
* 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) {
el.addEventListener(type, handler, capture || false);
}
function off(el, type, handler, capture) {
el.removeEventListener(type, handler, capture || false);
}
function cancel(ev) {
if (ev.preventDefault) ev.preventDefault();
ev.returnValue = false;
if (ev.stopPropagation) ev.stopPropagation();
ev.cancelBubble = true;
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 terminal = document.createElement('div');
terminal.className = 'terminal';
var line = document.createElement('div');
var el = document.createElement('span');
el.innerHTML = 'hello world';
line.appendChild(el);
terminal.appendChild(line);
body.appendChild(terminal);
var w1 = el.scrollWidth;
el.style.fontWeight = 'bold';
var w2 = el.scrollWidth;
body.removeChild(terminal);
return w1 !== w2;
}
var String = this.String;
var setTimeout = this.setTimeout;
var setInterval = this.setInterval;
function indexOf(obj, el) {
var i = obj.length;
while (i--) {
if (obj[i] === el) return i;
}
return -1;
}
function isWide(ch) {
if (ch <= '\uff00') return false;
return (ch >= '\uff01' && ch <= '\uffbe')
|| (ch >= '\uffc2' && ch <= '\uffc7')
|| (ch >= '\uffca' && ch <= '\uffcf')
|| (ch >= '\uffd2' && ch <= '\uffd7')
|| (ch >= '\uffda' && ch <= '\uffdc')
|| (ch >= '\uffe0' && ch <= '\uffe6')
|| (ch >= '\uffe8' && ch <= '\uffee');
}
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;
}
/**
* Expose
*/
Terminal.EventEmitter = EventEmitter;
Terminal.Stream = Stream;
Terminal.inherits = inherits;
Terminal.on = on;
Terminal.off = off;
Terminal.cancel = cancel;
if (typeof module !== 'undefined') {
module.exports = Terminal;
} else {
this.Terminal = Terminal;
}
}).call(function() {
return this || (typeof window !== 'undefined' ? window : global);
}());
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