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|
Version:
1.9.1-1486596246 ▾
|
"use strict";
var CompositionHelper_1 = require('./CompositionHelper');
var EventEmitter_1 = require('./EventEmitter');
var Viewport_1 = require('./Viewport');
var Clipboard_1 = require('./handlers/Clipboard');
var CircularList_1 = require('./utils/CircularList');
var EscapeSequences_1 = require('./EscapeSequences');
var InputHandler_1 = require('./InputHandler');
var Parser_1 = require('./Parser');
var CharMeasure_1 = require('./utils/CharMeasure');
var Browser = require('./utils/Browser');
var document = (typeof window != 'undefined') ? window.document : null;
var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
var WRITE_BATCH_SIZE = 300;
var MAX_REFRESH_FRAME_SKIP = 5;
function Terminal(options) {
var self = this;
if (!(this instanceof Terminal)) {
return new Terminal(arguments[0], arguments[1], arguments[2]);
}
self.browser = Browser;
self.cancel = Terminal.cancel;
EventEmitter_1.EventEmitter.call(this);
if (typeof options === 'number') {
options = {
cols: arguments[0],
rows: arguments[1],
handler: arguments[2]
};
}
options = options || {};
Object.keys(Terminal.defaults).forEach(function (key) {
if (options[key] == null) {
options[key] = Terminal.options[key];
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.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2));
}
this.colors = options.colors;
this.options = options;
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];
this.geometry = [this.cols, this.rows];
if (options.handler) {
this.on('data', options.handler);
}
this.ybase = 0;
this.ydisp = 0;
this.x = 0;
this.y = 0;
this.refreshRowsQueue = [];
this.cursorState = 0;
this.cursorHidden = false;
this.convertEol;
this.queue = '';
this.scrollTop = 0;
this.scrollBottom = this.rows - 1;
this.customKeydownHandler = null;
this.applicationKeypad = false;
this.applicationCursor = false;
this.originMode = false;
this.insertMode = false;
this.wraparoundMode = true;
this.normal = null;
this.charset = null;
this.gcharset = null;
this.glevel = 0;
this.charsets = [null];
this.decLocator;
this.x10Mouse;
this.vt200Mouse;
this.vt300Mouse;
this.normalMouse;
this.mouseEvents;
this.sendFocus;
this.utfMouse;
this.sgrMouse;
this.urxvtMouse;
this.element;
this.children;
this.refreshStart;
this.refreshEnd;
this.savedX;
this.savedY;
this.savedCols;
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.inputHandler = new InputHandler_1.InputHandler(this);
this.parser = new Parser_1.Parser(this.inputHandler, this);
this.writeBuffer = [];
this.writeInProgress = false;
this.refreshFramesSkipped = 0;
this.xoffSentToCatchUp = false;
this.writeStopped = false;
this.surrogate_high = '';
this.lines = new CircularList_1.CircularList(this.scrollback);
var i = this.rows;
while (i--) {
this.lines.push(this.blankLine());
}
this.tabs;
this.setupStops();
this.userScrolling = false;
}
inherits(Terminal, EventEmitter_1.EventEmitter);
Terminal.prototype.eraseAttr = function () {
return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
};
Terminal.tangoColors = [
'#2e3436',
'#cc0000',
'#4e9a06',
'#c4a000',
'#3465a4',
'#75507b',
'#06989a',
'#d3d7cf',
'#555753',
'#ef2929',
'#8ae234',
'#fce94f',
'#729fcf',
'#ad7fa8',
'#34e2e2',
'#eeeeec'
];
Terminal.colors = (function () {
var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i;
i = 0;
for (; i < 216; i++) {
out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
}
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;
})();
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;
})();
Terminal.defaults = {
colors: Terminal.colors,
theme: 'default',
convertEol: false,
termName: 'xterm',
geometry: [80, 24],
cursorBlink: false,
cursorStyle: 'block',
visualBell: false,
popOnBell: false,
scrollback: 1000,
screenKeys: false,
debug: false,
cancelEvents: false,
disableStdin: false,
useFlowControl: false
};
Terminal.options = {};
Terminal.focus = null;
each(keys(Terminal.defaults), function (key) {
Terminal[key] = Terminal.defaults[key];
Terminal.options[key] = Terminal.defaults[key];
});
Terminal.prototype.focus = function () {
return this.textarea.focus();
};
Terminal.prototype.getOption = function (key, value) {
if (!(key in Terminal.defaults)) {
throw new Error('No option with key "' + key + '"');
}
if (typeof this.options[key] !== 'undefined') {
return this.options[key];
}
return this[key];
};
Terminal.prototype.setOption = function (key, value) {
if (!(key in Terminal.defaults)) {
throw new Error('No option with key "' + key + '"');
}
switch (key) {
case 'scrollback':
if (this.options[key] !== value) {
if (this.lines.length > value) {
var amountToTrim = this.lines.length - value;
var needsRefresh = (this.ydisp - amountToTrim < 0);
this.lines.trimStart(amountToTrim);
this.ybase = Math.max(this.ybase - amountToTrim, 0);
this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
if (needsRefresh) {
this.refresh(0, this.rows - 1);
}
}
this.lines.maxLength = value;
this.viewport.syncScrollArea();
}
break;
}
this[key] = value;
this.options[key] = value;
switch (key) {
case 'cursorBlink':
this.element.classList.toggle('xterm-cursor-blink', value);
break;
case 'cursorStyle':
this.element.classList.toggle("xterm-cursor-style-underline", value === 'underline');
this.element.classList.toggle("xterm-cursor-style-bar", value === 'bar');
break;
}
};
Terminal.bindFocus = function (term) {
on(term.textarea, 'focus', function (ev) {
if (term.sendFocus) {
term.send(EscapeSequences_1.C0.ESC + '[I');
}
term.element.classList.add('focus');
term.showCursor();
Terminal.focus = term;
term.emit('focus', { terminal: term });
});
};
Terminal.prototype.blur = function () {
return this.textarea.blur();
};
Terminal.bindBlur = function (term) {
on(term.textarea, 'blur', function (ev) {
term.queueRefresh(term.y, term.y);
if (term.sendFocus) {
term.send(EscapeSequences_1.C0.ESC + '[O');
}
term.element.classList.remove('focus');
Terminal.focus = null;
term.emit('blur', { terminal: term });
});
};
Terminal.prototype.initGlobal = function () {
var term = this;
Terminal.bindKeys(this);
Terminal.bindFocus(this);
Terminal.bindBlur(this);
on(this.element, 'copy', function (ev) {
Clipboard_1.copyHandler.call(this, ev, term);
});
on(this.textarea, 'paste', function (ev) {
Clipboard_1.pasteHandler.call(this, ev, term);
});
on(this.element, 'paste', function (ev) {
Clipboard_1.pasteHandler.call(this, ev, term);
});
function rightClickHandlerWrapper(ev) {
Clipboard_1.rightClickHandler.call(this, ev, term);
}
if (term.browser.isFirefox) {
on(this.element, 'mousedown', function (ev) {
if (ev.button == 2) {
rightClickHandlerWrapper(ev);
}
});
}
else {
on(this.element, 'contextmenu', rightClickHandlerWrapper);
}
};
Terminal.bindKeys = function (term) {
on(term.element, 'keydown', function (ev) {
if (document.activeElement != this) {
return;
}
term.keyDown(ev);
}, true);
on(term.element, 'keypress', function (ev) {
if (document.activeElement != this) {
return;
}
term.keyPress(ev);
}, true);
on(term.element, 'keyup', function (ev) {
if (!wasMondifierKeyOnlyEvent(ev)) {
term.focus(term);
}
}, true);
on(term.textarea, 'keydown', function (ev) {
term.keyDown(ev);
}, true);
on(term.textarea, 'keypress', function (ev) {
term.keyPress(ev);
this.value = '';
}, true);
on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));
on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));
on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));
term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
};
Terminal.prototype.insertRow = function (row) {
if (typeof row != 'object') {
row = document.createElement('div');
}
this.rowContainer.appendChild(row);
this.children.push(row);
return row;
};
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.');
}
this.context = this.parent.ownerDocument.defaultView;
this.document = this.parent.ownerDocument;
this.body = this.document.getElementsByTagName('body')[0];
this.element = this.document.createElement('div');
this.element.classList.add('terminal');
this.element.classList.add('xterm');
this.element.classList.add('xterm-theme-' + this.theme);
this.element.classList.toggle('xterm-cursor-blink', this.options.cursorBlink);
this.element.style.height;
this.element.setAttribute('tabindex', 0);
this.viewportElement = document.createElement('div');
this.viewportElement.classList.add('xterm-viewport');
this.element.appendChild(this.viewportElement);
this.viewportScrollArea = document.createElement('div');
this.viewportScrollArea.classList.add('xterm-scroll-area');
this.viewportElement.appendChild(this.viewportScrollArea);
this.rowContainer = document.createElement('div');
this.rowContainer.classList.add('xterm-rows');
this.element.appendChild(this.rowContainer);
this.children = [];
this.helperContainer = document.createElement('div');
this.helperContainer.classList.add('xterm-helpers');
this.element.appendChild(this.helperContainer);
this.textarea = document.createElement('textarea');
this.textarea.classList.add('xterm-helper-textarea');
this.textarea.setAttribute('autocorrect', 'off');
this.textarea.setAttribute('autocapitalize', 'off');
this.textarea.setAttribute('spellcheck', 'false');
this.textarea.tabIndex = 0;
this.textarea.addEventListener('focus', function () {
self.emit('focus', { terminal: self });
});
this.textarea.addEventListener('blur', function () {
self.emit('blur', { terminal: self });
});
this.helperContainer.appendChild(this.textarea);
this.compositionView = document.createElement('div');
this.compositionView.classList.add('composition-view');
this.compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this.compositionView, this);
this.helperContainer.appendChild(this.compositionView);
this.charSizeStyleElement = document.createElement('style');
this.helperContainer.appendChild(this.charSizeStyleElement);
for (; i < this.rows; i++) {
this.insertRow();
}
this.parent.appendChild(this.element);
this.charMeasure = new CharMeasure_1.CharMeasure(this.helperContainer);
this.charMeasure.on('charsizechanged', function () {
self.updateCharSizeCSS();
});
this.charMeasure.measure();
this.viewport = new Viewport_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
this.queueRefresh(0, this.rows - 1);
this.refreshLoop();
this.initGlobal();
this.focus();
on(this.element, 'click', function () {
var selection = document.getSelection(), collapsed = selection.isCollapsed, isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';
if (!isRange) {
self.focus();
}
});
this.bindMouse();
if (Terminal.brokenBold == null) {
Terminal.brokenBold = isBoldBroken(this.document);
}
this.emit('open');
};
Terminal.loadAddon = function (addon, callback) {
if (typeof exports === 'object' && typeof module === 'object') {
return require('./addons/' + addon + '/' + addon);
}
else if (typeof define == 'function') {
return require(['./addons/' + addon + '/' + addon], callback);
}
else {
console.error('Cannot load a module without a CommonJS or RequireJS environment.');
return false;
}
};
Terminal.prototype.updateCharSizeCSS = function () {
this.charSizeStyleElement.textContent = '.xterm-wide-char{width:' + (this.charMeasure.width * 2) + 'px;}';
};
Terminal.prototype.bindMouse = function () {
var el = this.element, self = this, pressed = 32;
function sendButton(ev) {
var button, pos;
button = getButton(ev);
pos = getCoords(ev);
if (!pos)
return;
sendEvent(button, pos);
switch (ev.overrideType || ev.type) {
case 'mousedown':
pressed = button;
break;
case 'mouseup':
pressed = 32;
break;
case 'wheel':
break;
}
}
function sendMove(ev) {
var button = pressed, pos;
pos = getCoords(ev);
if (!pos)
return;
button += 32;
sendEvent(button, pos);
}
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));
}
}
}
function sendEvent(button, pos) {
if (self.vt300Mouse) {
button &= 3;
pos.x -= 32;
pos.y -= 32;
var data = EscapeSequences_1.C0.ESC + '[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) {
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(EscapeSequences_1.C0.ESC + '['
+ 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(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
return;
}
if (self.sgrMouse) {
pos.x -= 32;
pos.y -= 32;
self.send(EscapeSequences_1.C0.ESC + '[<'
+ (((button & 3) === 3 ? button & ~3 : button) - 32)
+ ';'
+ 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(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));
}
function getButton(ev) {
var button, shift, meta, ctrl, mod;
switch (ev.overrideType || ev.type) {
case 'mousedown':
button = ev.button != null
? +ev.button
: ev.which != null
? ev.which - 1
: null;
if (self.browser.isMSIE) {
button = button === 1 ? 0 : button === 4 ? 1 : button;
}
break;
case 'mouseup':
button = 3;
break;
case 'DOMMouseScroll':
button = ev.detail < 0
? 64
: 65;
break;
case 'wheel':
button = ev.wheelDeltaY > 0
? 64
: 65;
break;
}
shift = ev.shiftKey ? 4 : 0;
meta = ev.metaKey ? 8 : 0;
ctrl = ev.ctrlKey ? 16 : 0;
mod = shift | meta | ctrl;
if (self.vt200Mouse) {
mod &= ctrl;
}
else if (!self.normalMouse) {
mod = 0;
}
button = (32 + (mod << 2)) + button;
return button;
}
function getCoords(ev) {
var x, y, w, h, el;
if (ev.pageX == null)
return;
x = ev.pageX;
y = ev.pageY;
el = self.element;
while (el && el !== self.document.documentElement) {
x -= el.offsetLeft;
y -= el.offsetTop;
el = 'offsetParent' in el
? el.offsetParent
: el.parentNode;
}
w = self.element.clientWidth;
h = self.element.clientHeight;
x = Math.ceil((x / w) * self.cols);
y = Math.ceil((y / h) * self.rows);
if (x < 0)
x = 0;
if (x > self.cols)
x = self.cols;
if (y < 0)
y = 0;
if (y > self.rows)
y = self.rows;
x += 32;
y += 32;
return {
x: x,
y: y,
type: 'wheel'
};
}
on(el, 'mousedown', function (ev) {
if (!self.mouseEvents)
return;
sendButton(ev);
self.focus();
if (self.vt200Mouse) {
ev.overrideType = 'mouseup';
sendButton(ev);
return self.cancel(ev);
}
if (self.normalMouse)
on(self.document, 'mousemove', sendMove);
if (!self.x10Mouse) {
on(self.document, 'mouseup', function up(ev) {
sendButton(ev);
if (self.normalMouse)
off(self.document, 'mousemove', sendMove);
off(self.document, 'mouseup', up);
return self.cancel(ev);
});
}
return self.cancel(ev);
});
on(el, 'wheel', function (ev) {
if (!self.mouseEvents)
return;
if (self.x10Mouse
|| self.vt300Mouse
|| self.decLocator)
return;
sendButton(ev);
return self.cancel(ev);
});
on(el, 'wheel', function (ev) {
if (self.mouseEvents)
return;
self.viewport.onWheel(ev);
return self.cancel(ev);
});
};
Terminal.prototype.destroy = function () {
this.readable = false;
this.writable = false;
this._events = {};
this.handler = function () { };
this.write = function () { };
if (this.element.parentNode) {
this.element.parentNode.removeChild(this.element);
}
};
Terminal.flags = {
BOLD: 1,
UNDERLINE: 2,
BLINK: 4,
INVERSE: 8,
INVISIBLE: 16
};
Terminal.prototype.queueRefresh = function (start, end) {
this.refreshRowsQueue.push({ start: start, end: end });
};
Terminal.prototype.refreshLoop = function () {
if (this.refreshRowsQueue.length > 0) {
var skipFrame = this.writeBuffer.length > 0 && this.refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;
if (!skipFrame) {
this.refreshFramesSkipped = 0;
var start;
var end;
if (this.refreshRowsQueue.length > 4) {
start = 0;
end = this.rows - 1;
}
else {
start = this.refreshRowsQueue[0].start;
end = this.refreshRowsQueue[0].end;
for (var i = 1; i < this.refreshRowsQueue.length; i++) {
if (this.refreshRowsQueue[i].start < start) {
start = this.refreshRowsQueue[i].start;
}
if (this.refreshRowsQueue[i].end > end) {
end = this.refreshRowsQueue[i].end;
}
}
}
this.refreshRowsQueue = [];
this.refresh(start, end);
}
}
window.requestAnimationFrame(this.refreshLoop.bind(this));
};
Terminal.prototype.refresh = function (start, end) {
var self = this;
var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;
if (end - start >= this.rows / 2) {
parent = this.element.parentNode;
if (parent) {
this.element.removeChild(this.rowContainer);
}
}
width = this.cols;
y = start;
if (end >= this.rows.length) {
this.log('`end` is too large. Most likely a bad CSR.');
end = this.rows.length - 1;
}
for (; y <= end; y++) {
row = y + this.ydisp;
line = this.lines.get(row);
if (!line || !this.children[y]) {
continue;
}
out = '';
if (this.y === y - (this.ybase - this.ydisp)
&& this.cursorState
&& !this.cursorHidden) {
x = this.x;
}
else {
x = -1;
}
attr = this.defAttr;
i = 0;
for (; i < width; i++) {
if (!line[i]) {
continue;
}
data = line[i][0];
ch = line[i][1];
ch_width = line[i][2];
if (!ch_width)
continue;
if (i === x)
data = -1;
if (data !== attr) {
if (attr !== this.defAttr) {
out += '</span>';
}
if (data !== this.defAttr) {
if (data === -1) {
out += '<span class="reverse-video terminal-cursor">';
}
else {
var classNames = [];
bg = data & 0x1ff;
fg = (data >> 9) & 0x1ff;
flags = data >> 18;
if (flags & Terminal.flags.BOLD) {
if (!Terminal.brokenBold) {
classNames.push('xterm-bold');
}
if (fg < 8)
fg += 8;
}
if (flags & Terminal.flags.UNDERLINE) {
classNames.push('xterm-underline');
}
if (flags & Terminal.flags.BLINK) {
classNames.push('xterm-blink');
}
if (flags & Terminal.flags.INVERSE) {
bg = [fg, fg = bg][0];
if ((flags & 1) && fg < 8)
fg += 8;
}
if (flags & Terminal.flags.INVISIBLE) {
classNames.push('xterm-hidden');
}
if (flags & Terminal.flags.INVERSE) {
if (bg == 257) {
bg = 15;
}
if (fg == 256) {
fg = 0;
}
}
if (bg < 256) {
classNames.push('xterm-bg-color-' + bg);
}
if (fg < 256) {
classNames.push('xterm-color-' + fg);
}
out += '<span';
if (classNames.length) {
out += ' class="' + classNames.join(' ') + '"';
}
out += '>';
}
}
}
if (ch_width === 2) {
out += '<span class="xterm-wide-char">';
}
switch (ch) {
case '&':
out += '&';
break;
case '<':
out += '<';
break;
case '>':
out += '>';
break;
default:
if (ch <= ' ') {
out += ' ';
}
else {
out += ch;
}
break;
}
if (ch_width === 2) {
out += '</span>';
}
attr = data;
}
if (attr !== this.defAttr) {
out += '</span>';
}
this.children[y].innerHTML = out;
}
if (parent) {
this.element.appendChild(this.rowContainer);
}
this.emit('refresh', { element: this.element, start: start, end: end });
};
Terminal.prototype.showCursor = function () {
if (!this.cursorState) {
this.cursorState = 1;
this.queueRefresh(this.y, this.y);
}
};
Terminal.prototype.scroll = function () {
var row;
if (this.lines.length === this.lines.maxLength) {
this.lines.trimStart(1);
this.ybase--;
if (this.ydisp !== 0) {
this.ydisp--;
}
}
this.ybase++;
if (!this.userScrolling) {
this.ydisp = this.ybase;
}
row = this.ybase + this.rows - 1;
row -= this.rows - 1 - this.scrollBottom;
if (row === this.lines.length) {
this.lines.push(this.blankLine());
}
else {
this.lines.splice(row, 0, this.blankLine());
}
if (this.scrollTop !== 0) {
if (this.ybase !== 0) {
this.ybase--;
if (!this.userScrolling) {
this.ydisp = this.ybase;
}
}
this.lines.splice(this.ybase + this.scrollTop, 1);
}
this.updateRange(this.scrollTop);
this.updateRange(this.scrollBottom);
this.emit('scroll', this.ydisp);
};
Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) {
if (disp < 0) {
this.userScrolling = true;
}
else if (disp + this.ydisp >= this.ybase) {
this.userScrolling = false;
}
this.ydisp += disp;
if (this.ydisp > this.ybase) {
this.ydisp = this.ybase;
}
else if (this.ydisp < 0) {
this.ydisp = 0;
}
if (!suppressScrollEvent) {
this.emit('scroll', this.ydisp);
}
this.queueRefresh(0, this.rows - 1);
};
Terminal.prototype.scrollPages = function (pageCount) {
this.scrollDisp(pageCount * (this.rows - 1));
};
Terminal.prototype.scrollToTop = function () {
this.scrollDisp(-this.ydisp);
};
Terminal.prototype.scrollToBottom = function () {
this.scrollDisp(this.ybase - this.ydisp);
};
Terminal.prototype.write = function (data) {
this.writeBuffer.push(data);
if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
this.send(EscapeSequences_1.C0.DC3);
this.xoffSentToCatchUp = true;
}
if (!this.writeInProgress && this.writeBuffer.length > 0) {
this.writeInProgress = true;
var self = this;
setTimeout(function () {
self.innerWrite();
});
}
};
Terminal.prototype.innerWrite = function () {
var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);
while (writeBatch.length > 0) {
var data = writeBatch.shift();
var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
this.send(EscapeSequences_1.C0.DC1);
this.xoffSentToCatchUp = false;
}
this.refreshStart = this.y;
this.refreshEnd = this.y;
this.parser.parse(data);
this.updateRange(this.y);
this.queueRefresh(this.refreshStart, this.refreshEnd);
}
if (this.writeBuffer.length > 0) {
var self = this;
setTimeout(function () {
self.innerWrite();
}, 0);
}
else {
this.writeInProgress = false;
}
};
Terminal.prototype.writeln = function (data) {
this.write(data + '\r\n');
};
Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) {
this.customKeydownHandler = customKeydownHandler;
};
Terminal.prototype.keyDown = function (ev) {
if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {
return false;
}
if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {
if (this.ybase !== this.ydisp) {
this.scrollToBottom();
}
return false;
}
var self = this;
var result = this.evaluateKeyEscapeSequence(ev);
if (result.key === EscapeSequences_1.C0.DC3) {
this.writeStopped = true;
}
else if (result.key === EscapeSequences_1.C0.DC1) {
this.writeStopped = false;
}
if (result.scrollDisp) {
this.scrollDisp(result.scrollDisp);
return this.cancel(ev, true);
}
if (isThirdLevelShift(this, ev)) {
return true;
}
if (result.cancel) {
this.cancel(ev, true);
}
if (!result.key) {
return true;
}
this.emit('keydown', ev);
this.emit('key', result.key, ev);
this.showCursor();
this.handler(result.key);
return this.cancel(ev, true);
};
Terminal.prototype.evaluateKeyEscapeSequence = function (ev) {
var result = {
cancel: false,
key: undefined,
scrollDisp: undefined
};
var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;
switch (ev.keyCode) {
case 8:
if (ev.shiftKey) {
result.key = EscapeSequences_1.C0.BS;
break;
}
result.key = EscapeSequences_1.C0.DEL;
break;
case 9:
if (ev.shiftKey) {
result.key = EscapeSequences_1.C0.ESC + '[Z';
break;
}
result.key = EscapeSequences_1.C0.HT;
result.cancel = true;
break;
case 13:
result.key = EscapeSequences_1.C0.CR;
result.cancel = true;
break;
case 27:
result.key = EscapeSequences_1.C0.ESC;
result.cancel = true;
break;
case 37:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';
if (result.key == EscapeSequences_1.C0.ESC + '[1;3D') {
result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';
}
}
else if (this.applicationCursor) {
result.key = EscapeSequences_1.C0.ESC + 'OD';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[D';
}
break;
case 39:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';
if (result.key == EscapeSequences_1.C0.ESC + '[1;3C') {
result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';
}
}
else if (this.applicationCursor) {
result.key = EscapeSequences_1.C0.ESC + 'OC';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[C';
}
break;
case 38:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';
if (result.key == EscapeSequences_1.C0.ESC + '[1;3A') {
result.key = EscapeSequences_1.C0.ESC + '[1;5A';
}
}
else if (this.applicationCursor) {
result.key = EscapeSequences_1.C0.ESC + 'OA';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[A';
}
break;
case 40:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';
if (result.key == EscapeSequences_1.C0.ESC + '[1;3B') {
result.key = EscapeSequences_1.C0.ESC + '[1;5B';
}
}
else if (this.applicationCursor) {
result.key = EscapeSequences_1.C0.ESC + 'OB';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[B';
}
break;
case 45:
if (!ev.shiftKey && !ev.ctrlKey) {
result.key = EscapeSequences_1.C0.ESC + '[2~';
}
break;
case 46:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[3~';
}
break;
case 36:
if (modifiers)
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';
else if (this.applicationCursor)
result.key = EscapeSequences_1.C0.ESC + 'OH';
else
result.key = EscapeSequences_1.C0.ESC + '[H';
break;
case 35:
if (modifiers)
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';
else if (this.applicationCursor)
result.key = EscapeSequences_1.C0.ESC + 'OF';
else
result.key = EscapeSequences_1.C0.ESC + '[F';
break;
case 33:
if (ev.shiftKey) {
result.scrollDisp = -(this.rows - 1);
}
else {
result.key = EscapeSequences_1.C0.ESC + '[5~';
}
break;
case 34:
if (ev.shiftKey) {
result.scrollDisp = this.rows - 1;
}
else {
result.key = EscapeSequences_1.C0.ESC + '[6~';
}
break;
case 112:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';
}
else {
result.key = EscapeSequences_1.C0.ESC + 'OP';
}
break;
case 113:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';
}
else {
result.key = EscapeSequences_1.C0.ESC + 'OQ';
}
break;
case 114:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';
}
else {
result.key = EscapeSequences_1.C0.ESC + 'OR';
}
break;
case 115:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';
}
else {
result.key = EscapeSequences_1.C0.ESC + 'OS';
}
break;
case 116:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[15~';
}
break;
case 117:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[17~';
}
break;
case 118:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[18~';
}
break;
case 119:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[19~';
}
break;
case 120:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[20~';
}
break;
case 121:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[21~';
}
break;
case 122:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[23~';
}
break;
case 123:
if (modifiers) {
result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';
}
else {
result.key = EscapeSequences_1.C0.ESC + '[24~';
}
break;
default:
if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
result.key = String.fromCharCode(ev.keyCode - 64);
}
else if (ev.keyCode === 32) {
result.key = String.fromCharCode(0);
}
else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
result.key = String.fromCharCode(ev.keyCode - 51 + 27);
}
else if (ev.keyCode === 56) {
result.key = String.fromCharCode(127);
}
else if (ev.keyCode === 219) {
result.key = String.fromCharCode(27);
}
else if (ev.keyCode === 220) {
result.key = String.fromCharCode(28);
}
else if (ev.keyCode === 221) {
result.key = String.fromCharCode(29);
}
}
else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(ev.keyCode + 32);
}
else if (ev.keyCode === 192) {
result.key = EscapeSequences_1.C0.ESC + '`';
}
else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
result.key = EscapeSequences_1.C0.ESC + (ev.keyCode - 48);
}
}
break;
}
return result;
};
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;
this.cancel(ev);
if (ev.charCode) {
key = ev.charCode;
}
else if (ev.which == null) {
key = ev.keyCode;
}
else if (ev.which !== 0 && ev.charCode !== 0) {
key = ev.which;
}
else {
return false;
}
if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) {
return false;
}
key = String.fromCharCode(key);
this.emit('keypress', key, ev);
this.emit('key', key, ev);
this.showCursor();
this.handler(key);
return false;
};
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 () {
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, addToY;
if (x === this.cols && y === this.rows) {
return;
}
if (x < 1)
x = 1;
if (y < 1)
y = 1;
j = this.cols;
if (j < x) {
ch = [this.defAttr, ' ', 1];
i = this.lines.length;
while (i--) {
while (this.lines.get(i).length < x) {
this.lines.get(i).push(ch);
}
}
}
else {
i = this.lines.length;
while (i--) {
while (this.lines.get(i).length > x) {
this.lines.get(i).pop();
}
}
}
this.cols = x;
this.setupStops(this.cols);
j = this.rows;
addToY = 0;
if (j < y) {
el = this.element;
while (j++ < y) {
if (this.lines.length < y + this.ybase) {
if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
this.ybase--;
addToY++;
if (this.ydisp > 0) {
this.ydisp--;
}
}
else {
this.lines.push(this.blankLine());
}
}
if (this.children.length < y) {
this.insertRow();
}
}
}
else {
while (j-- > y) {
if (this.lines.length > y + this.ybase) {
if (this.lines.length > this.ybase + this.y + 1) {
this.lines.pop();
}
else {
this.ybase++;
this.ydisp++;
}
}
if (this.children.length > y) {
el = this.children.shift();
if (!el)
continue;
el.parentNode.removeChild(el);
}
}
}
this.rows = y;
if (this.y >= y) {
this.y = y - 1;
}
if (addToY) {
this.y += addToY;
}
if (this.x >= x) {
this.x = x - 1;
}
this.scrollTop = 0;
this.scrollBottom = y - 1;
this.charMeasure.measure();
this.queueRefresh(0, this.rows - 1);
this.normal = null;
this.geometry = [this.cols, this.rows];
this.emit('resize', { terminal: this, cols: x, rows: y });
};
Terminal.prototype.updateRange = function (y) {
if (y < this.refreshStart)
this.refreshStart = y;
if (y > this.refreshEnd)
this.refreshEnd = y;
};
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;
};
Terminal.prototype.eraseRight = function (x, y) {
var line = this.lines.get(this.ybase + y), ch = [this.eraseAttr(), ' ', 1];
for (; x < this.cols; x++) {
line[x] = ch;
}
this.updateRange(y);
};
Terminal.prototype.eraseLeft = function (x, y) {
var line = this.lines.get(this.ybase + y), ch = [this.eraseAttr(), ' ', 1];
x++;
while (x--)
line[x] = ch;
this.updateRange(y);
};
Terminal.prototype.clear = function () {
if (this.ybase === 0 && this.y === 0) {
return;
}
this.lines.set(0, this.lines.get(this.ybase + this.y));
this.lines.length = 1;
this.ydisp = 0;
this.ybase = 0;
this.y = 0;
for (var i = 1; i < this.rows; i++) {
this.lines.push(this.blankLine());
}
this.queueRefresh(0, this.rows - 1);
this.emit('scroll', this.ydisp);
};
Terminal.prototype.eraseLine = function (y) {
this.eraseRight(0, y);
};
Terminal.prototype.blankLine = function (cur) {
var attr = cur
? this.eraseAttr()
: this.defAttr;
var ch = [attr, ' ', 1], line = [], i = 0;
for (; i < this.cols; i++) {
line[i] = ch;
}
return line;
};
Terminal.prototype.ch = function (cur) {
return cur
? [this.eraseAttr(), ' ', 1]
: [this.defAttr, ' ', 1];
};
Terminal.prototype.is = function (term) {
var name = this.termName;
return (name + '').indexOf(term) === 0;
};
Terminal.prototype.handler = function (data) {
if (this.options.disableStdin) {
return;
}
if (this.ybase !== this.ydisp) {
this.scrollToBottom();
}
this.emit('data', data);
};
Terminal.prototype.handleTitle = function (title) {
this.emit('title', title);
};
Terminal.prototype.index = function () {
this.y++;
if (this.y > this.scrollBottom) {
this.y--;
this.scroll();
}
};
Terminal.prototype.reverseIndex = function () {
var j;
if (this.y === this.scrollTop) {
this.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1);
this.lines.set(this.y + this.ybase, this.blankLine(true));
this.updateRange(this.scrollTop);
this.updateRange(this.scrollBottom);
}
else {
this.y--;
}
};
Terminal.prototype.reset = function () {
this.options.rows = this.rows;
this.options.cols = this.cols;
var customKeydownHandler = this.customKeydownHandler;
Terminal.call(this, this.options);
this.customKeydownHandler = customKeydownHandler;
this.queueRefresh(0, this.rows - 1);
this.viewport.syncScrollArea();
};
Terminal.prototype.tabSet = function () {
this.tabs[this.x] = true;
};
function on(el, type, handler, capture) {
if (!Array.isArray(el)) {
el = [el];
}
el.forEach(function (element) {
element.addEventListener(type, handler, capture || false);
});
}
function off(el, type, handler, capture) {
el.removeEventListener(type, handler, capture || false);
}
function cancel(ev, force) {
if (!this.cancelEvents && !force) {
return;
}
ev.preventDefault();
ev.stopPropagation();
return false;
}
function inherits(child, parent) {
function f() {
this.constructor = child;
}
f.prototype = parent.prototype;
child.prototype = new f;
}
function isBoldBroken(document) {
var body = document.getElementsByTagName('body')[0];
var el = document.createElement('span');
el.innerHTML = 'hello world';
body.appendChild(el);
var w1 = el.scrollWidth;
el.style.fontWeight = 'bold';
var w2 = el.scrollWidth;
body.removeChild(el);
return w1 !== w2;
}
function indexOf(obj, el) {
var i = obj.length;
while (i--) {
if (obj[i] === el)
return i;
}
return -1;
}
function isThirdLevelShift(term, ev) {
var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
(term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
if (ev.type == 'keypress') {
return thirdLevelKey;
}
return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
}
Terminal.prototype.matchColor = matchColor;
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 = {};
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 wasMondifierKeyOnlyEvent(ev) {
return ev.keyCode === 16 ||
ev.keyCode === 17 ||
ev.keyCode === 18;
}
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;
}
Terminal.EventEmitter = EventEmitter_1.EventEmitter;
Terminal.inherits = inherits;
Terminal.on = on;
Terminal.off = off;
Terminal.cancel = cancel;
module.exports = Terminal;
//# sourceMappingURL=xterm.js.map