* @license MIT
*/
-import { CompositionHelper } from './CompositionHelper.js';
-import { EventEmitter } from './EventEmitter.js';
-import { Viewport } from './Viewport.js';
-import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';
-import { CircularList } from './utils/CircularList.js';
+import { CompositionHelper } from './CompositionHelper';
+import { EventEmitter } from './EventEmitter';
+import { Viewport } from './Viewport';
+import { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard';
+import { CircularList } from './utils/CircularList';
+import { C0 } from './EscapeSequences';
+import { InputHandler } from './InputHandler';
+import { Parser } from './Parser';
+import { CharMeasure } from './utils/CharMeasure';
import * as Browser from './utils/Browser';
import * as Keyboard from './utils/Keyboard';
+import { CHARSETS } from './Charsets';
/**
* Terminal Emulation References:
var document = (typeof window != 'undefined') ? window.document : null;
/**
- * States
+ * The amount of write requests to queue before sending an XOFF signal to the
+ * pty process. This number must be small in order for ^C and similar sequences
+ * to be responsive.
*/
-var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;
+var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
+
+/**
+ * The number of writes to perform in a single batch before allowing the
+ * renderer to catch up with a 0ms setTimeout.
+ */
+var WRITE_BATCH_SIZE = 300;
+
+/**
+ * The maximum number of refresh frames to skip when the write buffer is non-
+ * empty. Note that these frames may be intermingled with frames that are
+ * skipped via requestAnimationFrame's mechanism.
+ */
+var MAX_REFRESH_FRAME_SKIP = 5;
/**
* Terminal
*/
this.y = 0;
- /**
- * Used to debounce the refresh function
- */
- this.isRefreshing = false;
-
- /**
- * Whether there is a full terminal refresh queued
- */
+ /** A queue of the rows to be refreshed */
+ this.refreshRowsQueue = [];
this.cursorState = 0;
this.cursorHidden = false;
this.convertEol;
- this.state = 0;
this.queue = '';
this.scrollTop = 0;
this.scrollBottom = this.rows - 1;
this.prefix = '';
this.postfix = '';
+ this.inputHandler = new InputHandler(this);
+ this.parser = new Parser(this.inputHandler, this);
+
+ // user input states
+ this.writeBuffer = [];
+ this.writeInProgress = false;
+ this.refreshFramesSkipped = 0;
+
+ /**
+ * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.
+ * This is a distinct state from writeStopped so that if the user requested
+ * XOFF via ^S that it will not automatically resume when the writeBuffer goes
+ * below threshold.
+ */
+ this.xoffSentToCatchUp = false;
+
+ /** Whether writing has been stopped as a result of XOFF */
+ this.writeStopped = false;
+
// leftover surrogate high from previous write invocation
this.surrogate_high = '';
termName: 'xterm',
geometry: [80, 24],
cursorBlink: false,
+ cursorStyle: 'block',
visualBell: false,
popOnBell: false,
scrollback: 1000,
screenKeys: false,
debug: false,
- cancelEvents: false
+ cancelEvents: false,
+ disableStdin: false,
+ tabStopWidth: 8
// programFeatures: false,
// focusKeys: false,
};
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) {
+ const amountToTrim = this.lines.length - value;
+ const 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':
+ // Style 'block' applies with no class
+ 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('\x1b[I');
+ term.send(C0.ESC + '[I');
}
term.element.classList.add('focus');
term.showCursor();
*/
Terminal.bindBlur = function (term) {
on(term.textarea, 'blur', function (ev) {
- term.refresh(term.y, term.y);
+ term.queueRefresh(term.y, term.y);
if (term.sendFocus) {
- term.send('\x1b[O');
+ term.send(C0.ESC + '[O');
}
term.element.classList.remove('focus');
Terminal.focus = null;
term.keyPress(ev);
}, true);
- on(term.element, 'keyup', term.focus.bind(term));
+ on(term.element, 'keyup', function(ev) {
+ if (!wasMondifierKeyOnlyEvent(ev)) {
+ term.focus(term);
+ }
+ }, true);
on(term.textarea, 'keydown', function(ev) {
term.keyDown(ev);
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.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);
this.helperContainer.appendChild(this.compositionView);
- this.charMeasureElement = document.createElement('div');
- this.charMeasureElement.classList.add('xterm-char-measure-element');
- this.charMeasureElement.innerHTML = 'W';
- this.helperContainer.appendChild(this.charMeasureElement);
+ this.charSizeStyleElement = document.createElement('style');
+ this.helperContainer.appendChild(this.charSizeStyleElement);
for (; i < this.rows; i++) {
this.insertRow();
}
this.parent.appendChild(this.element);
- this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);
+ this.charMeasure = new CharMeasure(this.helperContainer);
+ this.charMeasure.on('charsizechanged', function () {
+ self.updateCharSizeCSS();
+ });
+ this.charMeasure.measure();
+
+ this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
- // Draw the screen.
- this.refresh(0, this.rows - 1);
+ // Setup loop that draws to screen
+ this.queueRefresh(0, this.rows - 1);
+ this.refreshLoop();
// Initialize global actions that
// need to be taken on the document.
}
};
+/**
+ * Updates the helper CSS class with any changes necessary after the terminal's
+ * character width has been changed.
+ */
+Terminal.prototype.updateCharSizeCSS = function() {
+ this.charSizeStyleElement.textContent = '.xterm-wide-char{width:' + (this.charMeasure.width * 2) + 'px;}';
+}
/**
* XTerm mouse events
button &= 3;
pos.x -= 32;
pos.y -= 32;
- var data = '\x1b[24';
+ var data = C0.ESC + '[24';
if (button === 0) data += '1';
else if (button === 1) data += '3';
else if (button === 2) data += '5';
else if (button === 1) button = 4;
else if (button === 2) button = 6;
else if (button === 3) button = 3;
- self.send('\x1b['
+ self.send(C0.ESC + '['
+ button
+ ';'
+ (button === 3 ? 4 : 0)
pos.y -= 32;
pos.x++;
pos.y++;
- self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');
+ self.send(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
return;
}
if (self.sgrMouse) {
pos.x -= 32;
pos.y -= 32;
- self.send('\x1b[<'
+ self.send(C0.ESC + '[<'
+ (((button & 3) === 3 ? button & ~3 : button) - 32)
+ ';'
+ pos.x
encode(data, pos.x);
encode(data, pos.y);
- self.send('\x1b[M' + String.fromCharCode.apply(String, data));
+ self.send(C0.ESC + '[M' + String.fromCharCode.apply(String, data));
}
function getButton(ev) {
INVISIBLE: 16
}
+/**
+ * Queues a refresh between two rows (inclusive), to be done on next animation
+ * frame.
+ * @param {number} start The start row.
+ * @param {number} end The end row.
+ */
+Terminal.prototype.queueRefresh = function(start, end) {
+ this.refreshRowsQueue.push({ start: start, end: end });
+}
+
+/**
+ * Performs the refresh loop callback, calling refresh only if a refresh is
+ * necessary before queueing up the next one.
+ */
+Terminal.prototype.refreshLoop = function() {
+ // Don't refresh if there were no row changes
+ if (this.refreshRowsQueue.length > 0) {
+ // Skip MAX_REFRESH_FRAME_SKIP frames if the writeBuffer is non-empty as it
+ // will need to be immediately refreshed anyway. This saves a lot of
+ // rendering time as the viewport DOM does not need to be refreshed, no
+ // scroll events, no layouts, etc.
+ 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) {
+ // Just do a full refresh when 5+ refreshes are queued
+ start = 0;
+ end = this.rows - 1;
+ } else {
+ // Get start and end rows that need refreshing
+ 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));
+}
+
/**
* Refreshes (re-renders) terminal content within two rows (inclusive)
*
*
* @param {number} start The row to start from (between 0 and terminal's height terminal - 1)
* @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)
- * @param {boolean} queue Whether the refresh should ran right now or be queued
*/
-Terminal.prototype.refresh = function(start, end, queue) {
+Terminal.prototype.refresh = function(start, end) {
var self = this;
- // queue defaults to true
- queue = (typeof queue == 'undefined') ? true : queue;
-
- /**
- * The refresh queue allows refresh to execute only approximately 30 times a second. For
- * commands that pass a significant amount of output to the write function, this prevents the
- * terminal from maxing out the CPU and making the UI unresponsive. While commands can still
- * run beyond what they do on the terminal, it is far better with a debounce in place as
- * every single terminal manipulation does not need to be constructed in the DOM.
- *
- * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.
- */
- if (queue) {
- // If refresh should be queued, order the refresh and return.
- if (this._refreshIsQueued) {
- // If a refresh has already been queued, just order a full refresh next
- this._fullRefreshNext = true;
- } else {
- setTimeout(function () {
- self.refresh(start, end, false);
- }, 34)
- this._refreshIsQueued = true;
- }
- return;
- }
-
- // If refresh should be run right now (not be queued), release the lock
- this._refreshIsQueued = false;
-
- // If multiple refreshes were requested, make a full refresh.
- if (this._fullRefreshNext) {
- start = 0;
- end = this.rows - 1;
- this._fullRefreshNext = false // reset lock
- }
-
var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;
// If this is a big refresh, remove the terminal rows from the DOM for faster calculations
row = y + this.ydisp;
line = this.lines.get(row);
+ if (!line || !this.children[y]) {
+ // Continue if the line is not available, this means a resize is currently in progress
+ continue;
+ }
out = '';
if (this.y === y - (this.ybase - this.ydisp)
i = 0;
for (; i < width; i++) {
+ if (!line[i]) {
+ // Continue if the character is not available, this means a resize is currently in progress
+ continue;
+ }
data = line[i][0];
ch = line[i][1];
ch_width = line[i][2];
}
if (data !== this.defAttr) {
if (data === -1) {
- out += '<span class="reverse-video terminal-cursor';
- if (this.cursorBlink) {
- out += ' blinking';
- }
- out += '">';
+ out += '<span class="reverse-video terminal-cursor">';
} else {
var classNames = [];
}
}
+ if (ch_width === 2) {
+ out += '<span class="xterm-wide-char">';
+ }
switch (ch) {
case '&':
out += '&';
}
break;
}
+ if (ch_width === 2) {
+ out += '</span>';
+ }
attr = data;
}
Terminal.prototype.showCursor = function() {
if (!this.cursorState) {
this.cursorState = 1;
- this.refresh(this.y, this.y);
+ this.queueRefresh(this.y, this.y);
}
};
Terminal.prototype.scroll = function() {
var row;
+ // Make room for the new row in lines
+ if (this.lines.length === this.lines.maxLength) {
+ this.lines.trimStart(1);
+ this.ybase--;
+ if (this.ydisp !== 0) {
+ this.ydisp--;
+ }
+ }
+
this.ybase++;
// TODO: Why is this done twice?
row -= this.rows - 1 - this.scrollBottom;
if (row === this.lines.length) {
- // Compensate ybase and ydisp if lines has hit the maximum buffer size
- if (this.lines.length === this.lines.maxLength) {
- this.ybase--;
- this.ydisp--;
- }
// Optimization: pushing is faster than splicing when they amount to the same behavior
this.lines.push(this.blankLine());
} else {
this.emit('scroll', this.ydisp);
}
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
};
/**
* @param {string} text The text to write to the terminal.
*/
Terminal.prototype.write = function(data) {
- var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
-
- this.refreshStart = this.y;
- this.refreshEnd = this.y;
-
- // apply leftover surrogate high from last write
- if (this.surrogate_high) {
- data = this.surrogate_high + data;
- this.surrogate_high = '';
+ this.writeBuffer.push(data);
+
+ // Send XOFF to pause the pty process if the write buffer becomes too large so
+ // xterm.js can catch up before more data is sent. This is necessary in order
+ // to keep signals such as ^C responsive.
+ if (!this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
+ // XOFF - stop pty pipe
+ // XON will be triggered by emulator before processing data chunk
+ this.send(C0.DC3);
+ this.xoffSentToCatchUp = true;
+ }
+
+ if (!this.writeInProgress && this.writeBuffer.length > 0) {
+ // Kick off a write which will write all data in sequence recursively
+ this.writeInProgress = true;
+ // Kick off an async innerWrite so more writes can come in while processing data
+ var self = this;
+ setTimeout(function () {
+ self.innerWrite();
+ });
}
+}
- for (; i < l; i++) {
- ch = data[i];
-
- // FIXME: higher chars than 0xa0 are not allowed in escape sequences
- // --> maybe move to default
- code = data.charCodeAt(i);
- if (0xD800 <= code && code <= 0xDBFF) {
- // we got a surrogate high
- // get surrogate low (next 2 bytes)
- low = data.charCodeAt(i+1);
- if (isNaN(low)) {
- // end of data stream, save surrogate high
- this.surrogate_high = ch;
- continue;
- }
- code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
- ch += data.charAt(i+1);
+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 XOFF was sent in order to catch up with the pty process, resume it if
+ // the writeBuffer is empty to allow more data to come in.
+ if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
+ this.send(C0.DC1);
+ this.xoffSentToCatchUp = false;
}
- // surrogate low - already handled above
- if (0xDC00 <= code && code <= 0xDFFF)
- continue;
- switch (this.state) {
- case normal:
- switch (ch) {
- case '\x07':
- this.bell();
- break;
-
- // '\n', '\v', '\f'
- case '\n':
- case '\x0b':
- case '\x0c':
- if (this.convertEol) {
- this.x = 0;
- }
- this.y++;
- if (this.y > this.scrollBottom) {
- this.y--;
- this.scroll();
- }
- break;
-
- // '\r'
- case '\r':
- this.x = 0;
- break;
-
- // '\b'
- case '\x08':
- if (this.x > 0) {
- this.x--;
- }
- break;
-
- // '\t'
- case '\t':
- this.x = this.nextStop();
- break;
-
- // shift out
- case '\x0e':
- this.setgLevel(1);
- break;
-
- // shift in
- case '\x0f':
- this.setgLevel(0);
- break;
-
- // '\e'
- case '\x1b':
- this.state = escaped;
- break;
-
- default:
- // ' '
- // calculate print space
- // expensive call, therefore we save width in line buffer
- ch_width = wcwidth(code);
-
- if (ch >= ' ') {
- if (this.charset && this.charset[ch]) {
- ch = this.charset[ch];
- }
-
- row = this.y + this.ybase;
-
- // insert combining char in last cell
- // FIXME: needs handling after cursor jumps
- if (!ch_width && this.x) {
- // dont overflow left
- if (this.lines.get(row)[this.x-1]) {
- if (!this.lines.get(row)[this.x-1][2]) {
-
- // found empty cell after fullwidth, need to go 2 cells back
- if (this.lines.get(row)[this.x-2])
- this.lines.get(row)[this.x-2][1] += ch;
-
- } else {
- this.lines.get(row)[this.x-1][1] += ch;
- }
- this.updateRange(this.y);
- }
- break;
- }
-
- // goto next line if ch would overflow
- // TODO: needs a global min terminal width of 2
- if (this.x+ch_width-1 >= this.cols) {
- // autowrap - DECAWM
- if (this.wraparoundMode) {
- this.x = 0;
- this.y++;
- if (this.y > this.scrollBottom) {
- this.y--;
- this.scroll();
- }
- } else {
- this.x = this.cols-1;
- if(ch_width===2) // FIXME: check for xterm behavior
- continue;
- }
- }
- row = this.y + this.ybase;
-
- // insert mode: move characters to right
- if (this.insertMode) {
- // do this twice for a fullwidth char
- for (var moves=0; moves<ch_width; ++moves) {
- // remove last cell, if it's width is 0
- // we have to adjust the second last cell as well
- var removed = this.lines.get(this.y + this.ybase).pop();
- if (removed[2]===0
- && this.lines.get(row)[this.cols-2]
- && this.lines.get(row)[this.cols-2][2]===2)
- this.lines.get(row)[this.cols-2] = [this.curAttr, ' ', 1];
-
- // insert empty cell at cursor
- this.lines.get(row).splice(this.x, 0, [this.curAttr, ' ', 1]);
- }
- }
-
- this.lines.get(row)[this.x] = [this.curAttr, ch, ch_width];
- this.x++;
- this.updateRange(this.y);
-
- // fullwidth char - set next cell width to zero and advance cursor
- if (ch_width===2) {
- this.lines.get(row)[this.x] = [this.curAttr, '', 0];
- this.x++;
- }
- }
- break;
- }
- break;
- case escaped:
- switch (ch) {
- // ESC [ Control Sequence Introducer ( CSI is 0x9b).
- case '[':
- this.params = [];
- this.currentParam = 0;
- this.state = csi;
- break;
-
- // ESC ] Operating System Command ( OSC is 0x9d).
- case ']':
- this.params = [];
- this.currentParam = 0;
- this.state = osc;
- break;
-
- // ESC P Device Control String ( DCS is 0x90).
- case 'P':
- this.params = [];
- this.currentParam = 0;
- this.state = dcs;
- break;
-
- // ESC _ Application Program Command ( APC is 0x9f).
- case '_':
- this.state = ignore;
- break;
-
- // ESC ^ Privacy Message ( PM is 0x9e).
- case '^':
- this.state = ignore;
- break;
-
- // ESC c Full Reset (RIS).
- case 'c':
- this.reset();
- break;
-
- // ESC E Next Line ( NEL is 0x85).
- // ESC D Index ( IND is 0x84).
- case 'E':
- this.x = 0;
- ;
- case 'D':
- this.index();
- break;
-
- // ESC M Reverse Index ( RI is 0x8d).
- case 'M':
- this.reverseIndex();
- break;
-
- // ESC % Select default/utf-8 character set.
- // @ = default, G = utf-8
- case '%':
- //this.charset = null;
- this.setgLevel(0);
- this.setgCharset(0, Terminal.charsets.US);
- this.state = normal;
- i++;
- break;
-
- // ESC (,),*,+,-,. Designate G0-G2 Character Set.
- case '(': // <-- this seems to get all the attention
- case ')':
- case '*':
- case '+':
- case '-':
- case '.':
- switch (ch) {
- case '(':
- this.gcharset = 0;
- break;
- case ')':
- this.gcharset = 1;
- break;
- case '*':
- this.gcharset = 2;
- break;
- case '+':
- this.gcharset = 3;
- break;
- case '-':
- this.gcharset = 1;
- break;
- case '.':
- this.gcharset = 2;
- break;
- }
- this.state = charset;
- break;
-
- // Designate G3 Character Set (VT300).
- // A = ISO Latin-1 Supplemental.
- // Not implemented.
- case '/':
- this.gcharset = 3;
- this.state = charset;
- i--;
- break;
-
- // ESC N
- // Single Shift Select of G2 Character Set
- // ( SS2 is 0x8e). This affects next character only.
- case 'N':
- break;
- // ESC O
- // Single Shift Select of G3 Character Set
- // ( SS3 is 0x8f). This affects next character only.
- case 'O':
- break;
- // ESC n
- // Invoke the G2 Character Set as GL (LS2).
- case 'n':
- this.setgLevel(2);
- break;
- // ESC o
- // Invoke the G3 Character Set as GL (LS3).
- case 'o':
- this.setgLevel(3);
- break;
- // ESC |
- // Invoke the G3 Character Set as GR (LS3R).
- case '|':
- this.setgLevel(3);
- break;
- // ESC }
- // Invoke the G2 Character Set as GR (LS2R).
- case '}':
- this.setgLevel(2);
- break;
- // ESC ~
- // Invoke the G1 Character Set as GR (LS1R).
- case '~':
- this.setgLevel(1);
- break;
-
- // ESC 7 Save Cursor (DECSC).
- case '7':
- this.saveCursor();
- this.state = normal;
- break;
-
- // ESC 8 Restore Cursor (DECRC).
- case '8':
- this.restoreCursor();
- this.state = normal;
- break;
-
- // ESC # 3 DEC line height/width
- case '#':
- this.state = normal;
- i++;
- break;
-
- // ESC H Tab Set (HTS is 0x88).
- case 'H':
- this.tabSet();
- break;
-
- // ESC = Application Keypad (DECKPAM).
- case '=':
- this.log('Serial port requested application keypad.');
- this.applicationKeypad = true;
- this.viewport.syncScrollArea();
- this.state = normal;
- break;
-
- // ESC > Normal Keypad (DECKPNM).
- case '>':
- this.log('Switching back to normal keypad.');
- this.applicationKeypad = false;
- this.viewport.syncScrollArea();
- this.state = normal;
- break;
-
- default:
- this.state = normal;
- this.error('Unknown ESC control: %s.', ch);
- break;
- }
- break;
-
- case charset:
- switch (ch) {
- case '0': // DEC Special Character and Line Drawing Set.
- cs = Terminal.charsets.SCLD;
- break;
- case 'A': // UK
- cs = Terminal.charsets.UK;
- break;
- case 'B': // United States (USASCII).
- cs = Terminal.charsets.US;
- break;
- case '4': // Dutch
- cs = Terminal.charsets.Dutch;
- break;
- case 'C': // Finnish
- case '5':
- cs = Terminal.charsets.Finnish;
- break;
- case 'R': // French
- cs = Terminal.charsets.French;
- break;
- case 'Q': // FrenchCanadian
- cs = Terminal.charsets.FrenchCanadian;
- break;
- case 'K': // German
- cs = Terminal.charsets.German;
- break;
- case 'Y': // Italian
- cs = Terminal.charsets.Italian;
- break;
- case 'E': // NorwegianDanish
- case '6':
- cs = Terminal.charsets.NorwegianDanish;
- break;
- case 'Z': // Spanish
- cs = Terminal.charsets.Spanish;
- break;
- case 'H': // Swedish
- case '7':
- cs = Terminal.charsets.Swedish;
- break;
- case '=': // Swiss
- cs = Terminal.charsets.Swiss;
- break;
- case '/': // ISOLatin (actually /A)
- cs = Terminal.charsets.ISOLatin;
- i++;
- break;
- default: // Default
- cs = Terminal.charsets.US;
- break;
- }
- this.setgCharset(this.gcharset, cs);
- this.gcharset = null;
- this.state = normal;
- break;
-
- case osc:
- // OSC Ps ; Pt ST
- // OSC Ps ; Pt BEL
- // Set Text Parameters.
- if (ch === '\x1b' || ch === '\x07') {
- if (ch === '\x1b') i++;
-
- this.params.push(this.currentParam);
-
- switch (this.params[0]) {
- case 0:
- case 1:
- case 2:
- if (this.params[1]) {
- this.title = this.params[1];
- this.handleTitle(this.title);
- }
- break;
- case 3:
- // set X property
- break;
- case 4:
- case 5:
- // change dynamic colors
- break;
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 15:
- case 16:
- case 17:
- case 18:
- case 19:
- // change dynamic ui colors
- break;
- case 46:
- // change log file
- break;
- case 50:
- // dynamic font
- break;
- case 51:
- // emacs shell
- break;
- case 52:
- // manipulate selection data
- break;
- case 104:
- case 105:
- case 110:
- case 111:
- case 112:
- case 113:
- case 114:
- case 115:
- case 116:
- case 117:
- case 118:
- // reset colors
- break;
- }
-
- this.params = [];
- this.currentParam = 0;
- this.state = normal;
- } else {
- if (!this.params.length) {
- if (ch >= '0' && ch <= '9') {
- this.currentParam =
- this.currentParam * 10 + ch.charCodeAt(0) - 48;
- } else if (ch === ';') {
- this.params.push(this.currentParam);
- this.currentParam = '';
- }
- } else {
- this.currentParam += ch;
- }
- }
- break;
-
- case csi:
- // '?', '>', '!'
- if (ch === '?' || ch === '>' || ch === '!') {
- this.prefix = ch;
- break;
- }
-
- // 0 - 9
- if (ch >= '0' && ch <= '9') {
- this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;
- break;
- }
-
- // '$', '"', ' ', '\''
- if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') {
- this.postfix = ch;
- break;
- }
-
- this.params.push(this.currentParam);
- this.currentParam = 0;
-
- // ';'
- if (ch === ';') break;
-
- this.state = normal;
-
- switch (ch) {
- // CSI Ps A
- // Cursor Up Ps Times (default = 1) (CUU).
- case 'A':
- this.cursorUp(this.params);
- break;
-
- // CSI Ps B
- // Cursor Down Ps Times (default = 1) (CUD).
- case 'B':
- this.cursorDown(this.params);
- break;
-
- // CSI Ps C
- // Cursor Forward Ps Times (default = 1) (CUF).
- case 'C':
- this.cursorForward(this.params);
- break;
-
- // CSI Ps D
- // Cursor Backward Ps Times (default = 1) (CUB).
- case 'D':
- this.cursorBackward(this.params);
- break;
-
- // CSI Ps ; Ps H
- // Cursor Position [row;column] (default = [1,1]) (CUP).
- case 'H':
- this.cursorPos(this.params);
- break;
-
- // CSI Ps J Erase in Display (ED).
- case 'J':
- this.eraseInDisplay(this.params);
- break;
-
- // CSI Ps K Erase in Line (EL).
- case 'K':
- this.eraseInLine(this.params);
- break;
-
- // CSI Pm m Character Attributes (SGR).
- case 'm':
- if (!this.prefix) {
- this.charAttributes(this.params);
- }
- break;
-
- // CSI Ps n Device Status Report (DSR).
- case 'n':
- if (!this.prefix) {
- this.deviceStatus(this.params);
- }
- break;
-
- /**
- * Additions
- */
- // CSI Ps @
- // Insert Ps (Blank) Character(s) (default = 1) (ICH).
- case '@':
- this.insertChars(this.params);
- break;
-
- // CSI Ps E
- // Cursor Next Line Ps Times (default = 1) (CNL).
- case 'E':
- this.cursorNextLine(this.params);
- break;
-
- // CSI Ps F
- // Cursor Preceding Line Ps Times (default = 1) (CNL).
- case 'F':
- this.cursorPrecedingLine(this.params);
- break;
-
- // CSI Ps G
- // Cursor Character Absolute [column] (default = [row,1]) (CHA).
- case 'G':
- this.cursorCharAbsolute(this.params);
- break;
-
- // CSI Ps L
- // Insert Ps Line(s) (default = 1) (IL).
- case 'L':
- this.insertLines(this.params);
- break;
-
- // CSI Ps M
- // Delete Ps Line(s) (default = 1) (DL).
- case 'M':
- this.deleteLines(this.params);
- break;
-
- // CSI Ps P
- // Delete Ps Character(s) (default = 1) (DCH).
- case 'P':
- this.deleteChars(this.params);
- break;
-
- // CSI Ps X
- // Erase Ps Character(s) (default = 1) (ECH).
- case 'X':
- this.eraseChars(this.params);
- break;
-
- // CSI Pm ` Character Position Absolute
- // [column] (default = [row,1]) (HPA).
- case '`':
- this.charPosAbsolute(this.params);
- break;
-
- // 141 61 a * HPR -
- // Horizontal Position Relative
- case 'a':
- this.HPositionRelative(this.params);
- break;
-
- // CSI P s c
- // Send Device Attributes (Primary DA).
- // CSI > P s c
- // Send Device Attributes (Secondary DA)
- case 'c':
- this.sendDeviceAttributes(this.params);
- break;
-
- // CSI Pm d
- // Line Position Absolute [row] (default = [1,column]) (VPA).
- case 'd':
- this.linePosAbsolute(this.params);
- break;
-
- // 145 65 e * VPR - Vertical Position Relative
- case 'e':
- this.VPositionRelative(this.params);
- break;
-
- // CSI Ps ; Ps f
- // Horizontal and Vertical Position [row;column] (default =
- // [1,1]) (HVP).
- case 'f':
- this.HVPosition(this.params);
- break;
-
- // CSI Pm h Set Mode (SM).
- // CSI ? Pm h - mouse escape codes, cursor escape codes
- case 'h':
- this.setMode(this.params);
- break;
-
- // CSI Pm l Reset Mode (RM).
- // CSI ? Pm l
- case 'l':
- this.resetMode(this.params);
- break;
-
- // CSI Ps ; Ps r
- // Set Scrolling Region [top;bottom] (default = full size of win-
- // dow) (DECSTBM).
- // CSI ? Pm r
- case 'r':
- this.setScrollRegion(this.params);
- break;
-
- // CSI s
- // Save cursor (ANSI.SYS).
- case 's':
- this.saveCursor(this.params);
- break;
-
- // CSI u
- // Restore cursor (ANSI.SYS).
- case 'u':
- this.restoreCursor(this.params);
- break;
+ this.refreshStart = this.y;
+ this.refreshEnd = this.y;
- /**
- * Lesser Used
- */
-
- // CSI Ps I
- // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
- case 'I':
- this.cursorForwardTab(this.params);
- break;
-
- // CSI Ps S Scroll up Ps lines (default = 1) (SU).
- case 'S':
- this.scrollUp(this.params);
- break;
-
- // CSI Ps T Scroll down Ps lines (default = 1) (SD).
- // CSI Ps ; Ps ; Ps ; Ps ; Ps T
- // CSI > Ps; Ps T
- case 'T':
- // if (this.prefix === '>') {
- // this.resetTitleModes(this.params);
- // break;
- // }
- // if (this.params.length > 2) {
- // this.initMouseTracking(this.params);
- // break;
- // }
- if (this.params.length < 2 && !this.prefix) {
- this.scrollDown(this.params);
- }
- break;
-
- // CSI Ps Z
- // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
- case 'Z':
- this.cursorBackwardTab(this.params);
- break;
-
- // CSI Ps b Repeat the preceding graphic character Ps times (REP).
- case 'b':
- this.repeatPrecedingCharacter(this.params);
- break;
-
- // CSI Ps g Tab Clear (TBC).
- case 'g':
- this.tabClear(this.params);
- break;
-
- // CSI Pm i Media Copy (MC).
- // CSI ? Pm i
- // case 'i':
- // this.mediaCopy(this.params);
- // break;
-
- // CSI Pm m Character Attributes (SGR).
- // CSI > Ps; Ps m
- // case 'm': // duplicate
- // if (this.prefix === '>') {
- // this.setResources(this.params);
- // } else {
- // this.charAttributes(this.params);
- // }
- // break;
-
- // CSI Ps n Device Status Report (DSR).
- // CSI > Ps n
- // case 'n': // duplicate
- // if (this.prefix === '>') {
- // this.disableModifiers(this.params);
- // } else {
- // this.deviceStatus(this.params);
- // }
- // break;
-
- // CSI > Ps p Set pointer mode.
- // CSI ! p Soft terminal reset (DECSTR).
- // CSI Ps$ p
- // Request ANSI mode (DECRQM).
- // CSI ? Ps$ p
- // Request DEC private mode (DECRQM).
- // CSI Ps ; Ps " p
- case 'p':
- switch (this.prefix) {
- // case '>':
- // this.setPointerMode(this.params);
- // break;
- case '!':
- this.softReset(this.params);
- break;
- // case '?':
- // if (this.postfix === '$') {
- // this.requestPrivateMode(this.params);
- // }
- // break;
- // default:
- // if (this.postfix === '"') {
- // this.setConformanceLevel(this.params);
- // } else if (this.postfix === '$') {
- // this.requestAnsiMode(this.params);
- // }
- // break;
- }
- break;
-
- // CSI Ps q Load LEDs (DECLL).
- // CSI Ps SP q
- // CSI Ps " q
- // case 'q':
- // if (this.postfix === ' ') {
- // this.setCursorStyle(this.params);
- // break;
- // }
- // if (this.postfix === '"') {
- // this.setCharProtectionAttr(this.params);
- // break;
- // }
- // this.loadLEDs(this.params);
- // break;
-
- // CSI Ps ; Ps r
- // Set Scrolling Region [top;bottom] (default = full size of win-
- // dow) (DECSTBM).
- // CSI ? Pm r
- // CSI Pt; Pl; Pb; Pr; Ps$ r
- // case 'r': // duplicate
- // if (this.prefix === '?') {
- // this.restorePrivateValues(this.params);
- // } else if (this.postfix === '$') {
- // this.setAttrInRectangle(this.params);
- // } else {
- // this.setScrollRegion(this.params);
- // }
- // break;
-
- // CSI s Save cursor (ANSI.SYS).
- // CSI ? Pm s
- // case 's': // duplicate
- // if (this.prefix === '?') {
- // this.savePrivateValues(this.params);
- // } else {
- // this.saveCursor(this.params);
- // }
- // break;
-
- // CSI Ps ; Ps ; Ps t
- // CSI Pt; Pl; Pb; Pr; Ps$ t
- // CSI > Ps; Ps t
- // CSI Ps SP t
- // case 't':
- // if (this.postfix === '$') {
- // this.reverseAttrInRectangle(this.params);
- // } else if (this.postfix === ' ') {
- // this.setWarningBellVolume(this.params);
- // } else {
- // if (this.prefix === '>') {
- // this.setTitleModeFeature(this.params);
- // } else {
- // this.manipulateWindow(this.params);
- // }
- // }
- // break;
-
- // CSI u Restore cursor (ANSI.SYS).
- // CSI Ps SP u
- // case 'u': // duplicate
- // if (this.postfix === ' ') {
- // this.setMarginBellVolume(this.params);
- // } else {
- // this.restoreCursor(this.params);
- // }
- // break;
-
- // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v
- // case 'v':
- // if (this.postfix === '$') {
- // this.copyRectagle(this.params);
- // }
- // break;
-
- // CSI Pt ; Pl ; Pb ; Pr ' w
- // case 'w':
- // if (this.postfix === '\'') {
- // this.enableFilterRectangle(this.params);
- // }
- // break;
-
- // CSI Ps x Request Terminal Parameters (DECREQTPARM).
- // CSI Ps x Select Attribute Change Extent (DECSACE).
- // CSI Pc; Pt; Pl; Pb; Pr$ x
- // case 'x':
- // if (this.postfix === '$') {
- // this.fillRectangle(this.params);
- // } else {
- // this.requestParameters(this.params);
- // //this.__(this.params);
- // }
- // break;
-
- // CSI Ps ; Pu ' z
- // CSI Pt; Pl; Pb; Pr$ z
- // case 'z':
- // if (this.postfix === '\'') {
- // this.enableLocatorReporting(this.params);
- // } else if (this.postfix === '$') {
- // this.eraseRectangle(this.params);
- // }
- // break;
-
- // CSI Pm ' {
- // CSI Pt; Pl; Pb; Pr$ {
- // case '{':
- // if (this.postfix === '\'') {
- // this.setLocatorEvents(this.params);
- // } else if (this.postfix === '$') {
- // this.selectiveEraseRectangle(this.params);
- // }
- // break;
-
- // CSI Ps ' |
- // case '|':
- // if (this.postfix === '\'') {
- // this.requestLocatorPosition(this.params);
- // }
- // break;
-
- // CSI P m SP }
- // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
- // case '}':
- // if (this.postfix === ' ') {
- // this.insertColumns(this.params);
- // }
- // break;
-
- // CSI P m SP ~
- // Delete P s Column(s) (default = 1) (DECDC), VT420 and up
- // case '~':
- // if (this.postfix === ' ') {
- // this.deleteColumns(this.params);
- // }
- // break;
-
- default:
- this.error('Unknown CSI code: %s.', ch);
- break;
- }
-
- this.prefix = '';
- this.postfix = '';
- break;
-
- case dcs:
- if (ch === '\x1b' || ch === '\x07') {
- if (ch === '\x1b') i++;
-
- switch (this.prefix) {
- // User-Defined Keys (DECUDK).
- case '':
- break;
-
- // Request Status String (DECRQSS).
- // test: echo -e '\eP$q"p\e\\'
- case '$q':
- var pt = this.currentParam
- , valid = false;
-
- switch (pt) {
- // DECSCA
- case '"q':
- pt = '0"q';
- break;
-
- // DECSCL
- case '"p':
- pt = '61"p';
- break;
-
- // DECSTBM
- case 'r':
- pt = ''
- + (this.scrollTop + 1)
- + ';'
- + (this.scrollBottom + 1)
- + 'r';
- break;
-
- // SGR
- case 'm':
- pt = '0m';
- break;
-
- default:
- this.error('Unknown DCS Pt: %s.', pt);
- pt = '';
- break;
- }
-
- this.send('\x1bP' + +valid + '$r' + pt + '\x1b\\');
- break;
-
- // Set Termcap/Terminfo Data (xterm, experimental).
- case '+p':
- break;
-
- // Request Termcap/Terminfo String (xterm, experimental)
- // Regular xterm does not even respond to this sequence.
- // This can cause a small glitch in vim.
- // test: echo -ne '\eP+q6b64\e\\'
- case '+q':
- var pt = this.currentParam
- , valid = false;
-
- this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\');
- break;
-
- default:
- this.error('Unknown DCS prefix: %s.', this.prefix);
- break;
- }
+ this.parser.parse(data);
- this.currentParam = 0;
- this.prefix = '';
- this.state = normal;
- } else if (!this.currentParam) {
- if (!this.prefix && ch !== '$' && ch !== '+') {
- this.currentParam = ch;
- } else if (this.prefix.length === 2) {
- this.currentParam = ch;
- } else {
- this.prefix += ch;
- }
- } else {
- this.currentParam += ch;
- }
- break;
-
- case ignore:
- // For PM and APC.
- if (ch === '\x1b' || ch === '\x07') {
- if (ch === '\x1b') i++;
- this.state = normal;
- }
- break;
- }
+ this.updateRange(this.y);
+ this.queueRefresh(this.refreshStart, this.refreshEnd);
+ }
+ if (this.writeBuffer.length > 0) {
+ // Allow renderer to catch up before processing the next batch
+ var self = this;
+ setTimeout(function () {
+ self.innerWrite();
+ }, 0);
+ } else {
+ this.writeInProgress = false;
}
-
- this.updateRange(this.y);
- this.refresh(this.refreshStart, this.refreshEnd);
};
/**
var self = this;
var result = this.evaluateKeyEscapeSequence(ev);
+ if (result.key === C0.DC3) { // XOFF
+ this.writeStopped = true;
+ } else if (result.key === C0.DC1) { // XON
+ this.writeStopped = false;
+ }
+
if (result.scrollDisp) {
this.scrollDisp(result.scrollDisp);
return this.cancel(ev, true);
case 8:
// backspace
if (ev.shiftKey) {
- result.key = '\x08'; // ^H
+ result.key = C0.BS; // ^H
break;
}
- result.key = '\x7f'; // ^?
+ result.key = C0.DEL; // ^?
break;
case 9:
// tab
if (ev.shiftKey) {
- result.key = '\x1b[Z';
+ result.key = C0.ESC + '[Z';
break;
}
- result.key = '\t';
+ result.key = C0.HT;
result.cancel = true;
break;
case 13:
// return/enter
- result.key = '\r';
+ result.key = C0.CR;
result.cancel = true;
break;
case 27:
// escape
- result.key = '\x1b';
+ result.key = C0.ESC;
result.cancel = true;
break;
case 37:
// left-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'D';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';
// HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards
// http://unix.stackexchange.com/a/108106
// macOS uses different escape sequences than linux
- if (result.key == '\x1b[1;3D') {
- result.key = (this.browser.isMac) ? '\x1bb' : '\x1b[1;5D';
+ if (result.key == C0.ESC + '[1;3D') {
+ result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOD';
+ result.key = C0.ESC + 'OD';
} else {
- result.key = '\x1b[D';
+ result.key = C0.ESC + '[D';
}
break;
case 39:
// right-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'C';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';
// HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward
// http://unix.stackexchange.com/a/108106
// macOS uses different escape sequences than linux
- if (result.key == '\x1b[1;3C') {
- result.key = (this.browser.isMac) ? '\x1bf' : '\x1b[1;5C';
+ if (result.key == C0.ESC + '[1;3C') {
+ result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOC';
+ result.key = C0.ESC + 'OC';
} else {
- result.key = '\x1b[C';
+ result.key = C0.ESC + '[C';
}
break;
case 38:
// up-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'A';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';
// HACK: Make Alt + up-arrow behave like Ctrl + up-arrow
// http://unix.stackexchange.com/a/108106
- if (result.key == '\x1b[1;3A') {
- result.key = '\x1b[1;5A';
+ if (result.key == C0.ESC + '[1;3A') {
+ result.key = C0.ESC + '[1;5A';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOA';
+ result.key = C0.ESC + 'OA';
} else {
- result.key = '\x1b[A';
+ result.key = C0.ESC + '[A';
}
break;
case 40:
// down-arrow
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'B';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';
// HACK: Make Alt + down-arrow behave like Ctrl + down-arrow
// http://unix.stackexchange.com/a/108106
- if (result.key == '\x1b[1;3B') {
- result.key = '\x1b[1;5B';
+ if (result.key == C0.ESC + '[1;3B') {
+ result.key = C0.ESC + '[1;5B';
}
} else if (this.applicationCursor) {
- result.key = '\x1bOB';
+ result.key = C0.ESC + 'OB';
} else {
- result.key = '\x1b[B';
+ result.key = C0.ESC + '[B';
}
break;
case 45:
if (!ev.shiftKey && !ev.ctrlKey) {
// <Ctrl> or <Shift> + <Insert> are used to
// copy-paste on some systems.
- result.key = '\x1b[2~';
+ result.key = C0.ESC + '[2~';
}
break;
case 46:
// delete
if (modifiers) {
- result.key = '\x1b[3;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[3~';
+ result.key = C0.ESC + '[3~';
}
break;
case 36:
// home
if (modifiers)
- result.key = '\x1b[1;' + (modifiers + 1) + 'H';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';
else if (this.applicationCursor)
- result.key = '\x1bOH';
+ result.key = C0.ESC + 'OH';
else
- result.key = '\x1b[H';
+ result.key = C0.ESC + '[H';
break;
case 35:
// end
if (modifiers)
- result.key = '\x1b[1;' + (modifiers + 1) + 'F';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';
else if (this.applicationCursor)
- result.key = '\x1bOF';
+ result.key = C0.ESC + 'OF';
else
- result.key = '\x1b[F';
+ result.key = C0.ESC + '[F';
break;
case 33:
// page up
if (ev.shiftKey) {
result.scrollDisp = -(this.rows - 1);
} else {
- result.key = '\x1b[5~';
+ result.key = C0.ESC + '[5~';
}
break;
case 34:
if (ev.shiftKey) {
result.scrollDisp = this.rows - 1;
} else {
- result.key = '\x1b[6~';
+ result.key = C0.ESC + '[6~';
}
break;
case 112:
// F1-F12
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'P';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';
} else {
- result.key = '\x1bOP';
+ result.key = C0.ESC + 'OP';
}
break;
case 113:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'Q';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';
} else {
- result.key = '\x1bOQ';
+ result.key = C0.ESC + 'OQ';
}
break;
case 114:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'R';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';
} else {
- result.key = '\x1bOR';
+ result.key = C0.ESC + 'OR';
}
break;
case 115:
if (modifiers) {
- result.key = '\x1b[1;' + (modifiers + 1) + 'S';
+ result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';
} else {
- result.key = '\x1bOS';
+ result.key = C0.ESC + 'OS';
}
break;
case 116:
if (modifiers) {
- result.key = '\x1b[15;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[15~';
+ result.key = C0.ESC + '[15~';
}
break;
case 117:
if (modifiers) {
- result.key = '\x1b[17;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[17~';
+ result.key = C0.ESC + '[17~';
}
break;
case 118:
if (modifiers) {
- result.key = '\x1b[18;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[18~';
+ result.key = C0.ESC + '[18~';
}
break;
case 119:
if (modifiers) {
- result.key = '\x1b[19;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[19~';
+ result.key = C0.ESC + '[19~';
}
break;
case 120:
if (modifiers) {
- result.key = '\x1b[20;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[20~';
+ result.key = C0.ESC + '[20~';
}
break;
case 121:
if (modifiers) {
- result.key = '\x1b[21;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[21~';
+ result.key = C0.ESC + '[21~';
}
break;
case 122:
if (modifiers) {
- result.key = '\x1b[23;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[23~';
+ result.key = C0.ESC + '[23~';
}
break;
case 123:
if (modifiers) {
- result.key = '\x1b[24;' + (modifiers + 1) + '~';
+ result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';
} else {
- result.key = '\x1b[24~';
+ result.key = C0.ESC + '[24~';
}
break;
default:
} else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
// On Mac this is a third level shift. Use <Esc> instead.
if (ev.keyCode >= 65 && ev.keyCode <= 90) {
- result.key = '\x1b' + String.fromCharCode(ev.keyCode + 32);
+ result.key = C0.ESC + String.fromCharCode(ev.keyCode + 32);
} else if (ev.keyCode === 192) {
- result.key = '\x1b`';
+ result.key = C0.ESC + '`';
} else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
- result.key = '\x1b' + (ev.keyCode - 48);
+ result.key = C0.ESC + (ev.keyCode - 48);
}
}
break;
}
+
return result;
};
this.scrollTop = 0;
this.scrollBottom = y - 1;
- this.refresh(0, this.rows - 1);
+ this.charMeasure.measure();
+
+ this.queueRefresh(0, this.rows - 1);
this.normal = null;
i = 0;
}
- for (; i < this.cols; i += 8) {
+ for (; i < this.cols; i += this.getOption('tabStopWidth')) {
this.tabs[i] = true;
}
};
for (var i = 1; i < this.rows; i++) {
this.lines.push(this.blankLine());
}
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
this.emit('scroll', this.ydisp);
};
* @param {string} data The data to populate in the event.
*/
Terminal.prototype.handler = function(data) {
+ // Prevents all events to pty process if stdin is disabled
+ if (this.options.disableStdin) {
+ return;
+ }
+
// Input is being sent to the terminal, the terminal should focus the prompt.
if (this.ybase !== this.ydisp) {
this.scrollToBottom();
this.y--;
this.scroll();
}
- this.state = normal;
};
} else {
this.y--;
}
- this.state = normal;
};
var customKeydownHandler = this.customKeydownHandler;
Terminal.call(this, this.options);
this.customKeydownHandler = customKeydownHandler;
- this.refresh(0, this.rows - 1);
+ this.queueRefresh(0, this.rows - 1);
this.viewport.syncScrollArea();
};
*/
Terminal.prototype.tabSet = function() {
this.tabs[this.x] = true;
- this.state = normal;
};
-
/**
- * CSI
+ * Helpers
*/
-/**
- * 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;
-};
+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);
+}
-/**
- * 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;
+function cancel(ev, force) {
+ if (!this.cancelEvents && !force) {
+ return;
}
-};
-
+ ev.preventDefault();
+ ev.stopPropagation();
+ return false;
+}
-/**
- * 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;
+function inherits(child, parent) {
+ function f() {
+ this.constructor = child;
}
-};
+ f.prototype = parent.prototype;
+ child.prototype = new f;
+}
+// if bold is broken, we can't
+// use it in the terminal.
+function isBoldBroken(document) {
+ var body = document.getElementsByTagName('body')[0];
+ var el = document.createElement('span');
+ el.innerHTML = 'hello world';
+ body.appendChild(el);
+ var w1 = el.scrollWidth;
+ el.style.fontWeight = 'bold';
+ var w2 = el.scrollWidth;
+ body.removeChild(el);
+ return w1 !== w2;
+}
-/**
- * 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;
-};
+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);
-/**
- * CSI Ps ; Ps H
- * Cursor Position [row;column] (default = [1,1]) (CUP).
- */
-Terminal.prototype.cursorPos = function(params) {
- var row, col;
+ if (ev.type == 'keypress') {
+ return thirdLevelKey;
+ }
- row = params[0] - 1;
+ // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
+ return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+}
- if (params.length >= 2) {
- col = params[1] - 1;
- } else {
- col = 0;
- }
+// Expose to InputHandler (temporary)
+Terminal.prototype.matchColor = matchColor;
- if (row < 0) {
- row = 0;
- } else if (row >= this.rows) {
- row = this.rows - 1;
- }
+function matchColor(r1, g1, b1) {
+ var hash = (r1 << 16) | (g1 << 8) | b1;
- if (col < 0) {
- col = 0;
- } else if (col >= this.cols) {
- col = this.cols - 1;
+ if (matchColor._cache[hash] != null) {
+ return matchColor._cache[hash];
}
- this.x = col;
- this.y = row;
-};
+ var ldiff = Infinity
+ , li = -1
+ , i = 0
+ , c
+ , r2
+ , g2
+ , b2
+ , diff;
-
-/**
- * CSI Ps J Erase in Display (ED).
- * Ps = 0 -> Erase Below (default).
- * Ps = 1 -> Erase Above.
- * Ps = 2 -> Erase All.
- * Ps = 3 -> Erase Saved Lines (xterm).
- * CSI ? Ps J
- * Erase in Display (DECSED).
- * Ps = 0 -> Selective Erase Below (default).
- * Ps = 1 -> Selective Erase Above.
- * Ps = 2 -> Selective Erase All.
- */
-Terminal.prototype.eraseInDisplay = function(params) {
- var j;
- switch (params[0]) {
- case 0:
- this.eraseRight(this.x, this.y);
- j = this.y + 1;
- for (; j < this.rows; j++) {
- this.eraseLine(j);
- }
- break;
- case 1:
- this.eraseLeft(this.x, this.y);
- j = this.y;
- while (j--) {
- this.eraseLine(j);
- }
- break;
- case 2:
- j = this.rows;
- while (j--) this.eraseLine(j);
- break;
- case 3:
- ; // no saved lines
- break;
- }
-};
-
-
-/**
- * CSI Ps K Erase in Line (EL).
- * Ps = 0 -> Erase to Right (default).
- * Ps = 1 -> Erase to Left.
- * Ps = 2 -> Erase All.
- * CSI ? Ps K
- * Erase in Line (DECSEL).
- * Ps = 0 -> Selective Erase to Right (default).
- * Ps = 1 -> Selective Erase to Left.
- * Ps = 2 -> Selective Erase All.
- */
-Terminal.prototype.eraseInLine = function(params) {
- switch (params[0]) {
- case 0:
- this.eraseRight(this.x, this.y);
- break;
- case 1:
- this.eraseLeft(this.x, this.y);
- break;
- case 2:
- this.eraseLine(this.y);
- break;
- }
-};
-
-
-/**
- * CSI Pm m Character Attributes (SGR).
- * Ps = 0 -> Normal (default).
- * Ps = 1 -> Bold.
- * Ps = 4 -> Underlined.
- * Ps = 5 -> Blink (appears as Bold).
- * Ps = 7 -> Inverse.
- * Ps = 8 -> Invisible, i.e., hidden (VT300).
- * Ps = 2 2 -> Normal (neither bold nor faint).
- * Ps = 2 4 -> Not underlined.
- * Ps = 2 5 -> Steady (not blinking).
- * Ps = 2 7 -> Positive (not inverse).
- * Ps = 2 8 -> Visible, i.e., not hidden (VT300).
- * Ps = 3 0 -> Set foreground color to Black.
- * Ps = 3 1 -> Set foreground color to Red.
- * Ps = 3 2 -> Set foreground color to Green.
- * Ps = 3 3 -> Set foreground color to Yellow.
- * Ps = 3 4 -> Set foreground color to Blue.
- * Ps = 3 5 -> Set foreground color to Magenta.
- * Ps = 3 6 -> Set foreground color to Cyan.
- * Ps = 3 7 -> Set foreground color to White.
- * Ps = 3 9 -> Set foreground color to default (original).
- * Ps = 4 0 -> Set background color to Black.
- * Ps = 4 1 -> Set background color to Red.
- * Ps = 4 2 -> Set background color to Green.
- * Ps = 4 3 -> Set background color to Yellow.
- * Ps = 4 4 -> Set background color to Blue.
- * Ps = 4 5 -> Set background color to Magenta.
- * Ps = 4 6 -> Set background color to Cyan.
- * Ps = 4 7 -> Set background color to White.
- * Ps = 4 9 -> Set background color to default (original).
- *
- * If 16-color support is compiled, the following apply. Assume
- * that xterm's resources are set so that the ISO color codes are
- * the first 8 of a set of 16. Then the aixterm colors are the
- * bright versions of the ISO colors:
- * Ps = 9 0 -> Set foreground color to Black.
- * Ps = 9 1 -> Set foreground color to Red.
- * Ps = 9 2 -> Set foreground color to Green.
- * Ps = 9 3 -> Set foreground color to Yellow.
- * Ps = 9 4 -> Set foreground color to Blue.
- * Ps = 9 5 -> Set foreground color to Magenta.
- * Ps = 9 6 -> Set foreground color to Cyan.
- * Ps = 9 7 -> Set foreground color to White.
- * Ps = 1 0 0 -> Set background color to Black.
- * Ps = 1 0 1 -> Set background color to Red.
- * Ps = 1 0 2 -> Set background color to Green.
- * Ps = 1 0 3 -> Set background color to Yellow.
- * Ps = 1 0 4 -> Set background color to Blue.
- * Ps = 1 0 5 -> Set background color to Magenta.
- * Ps = 1 0 6 -> Set background color to Cyan.
- * Ps = 1 0 7 -> Set background color to White.
- *
- * If xterm is compiled with the 16-color support disabled, it
- * supports the following, from rxvt:
- * Ps = 1 0 0 -> Set foreground and background color to
- * default.
- *
- * If 88- or 256-color support is compiled, the following apply.
- * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second
- * Ps.
- * Ps = 4 8 ; 5 ; Ps -> Set background color to the second
- * Ps.
- */
-Terminal.prototype.charAttributes = function(params) {
- // Optimize a single SGR0.
- if (params.length === 1 && params[0] === 0) {
- this.curAttr = this.defAttr;
- return;
- }
-
- var l = params.length
- , i = 0
- , flags = this.curAttr >> 18
- , fg = (this.curAttr >> 9) & 0x1ff
- , bg = this.curAttr & 0x1ff
- , p;
-
- for (; i < l; i++) {
- p = params[i];
- if (p >= 30 && p <= 37) {
- // fg color 8
- fg = p - 30;
- } else if (p >= 40 && p <= 47) {
- // bg color 8
- bg = p - 40;
- } else if (p >= 90 && p <= 97) {
- // fg color 16
- p += 8;
- fg = p - 90;
- } else if (p >= 100 && p <= 107) {
- // bg color 16
- p += 8;
- bg = p - 100;
- } else if (p === 0) {
- // default
- flags = this.defAttr >> 18;
- fg = (this.defAttr >> 9) & 0x1ff;
- bg = this.defAttr & 0x1ff;
- // flags = 0;
- // fg = 0x1ff;
- // bg = 0x1ff;
- } else if (p === 1) {
- // bold text
- flags |= 1;
- } else if (p === 4) {
- // underlined text
- flags |= 2;
- } else if (p === 5) {
- // blink
- flags |= 4;
- } else if (p === 7) {
- // inverse and positive
- // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m'
- flags |= 8;
- } else if (p === 8) {
- // invisible
- flags |= 16;
- } else if (p === 22) {
- // not bold
- flags &= ~1;
- } else if (p === 24) {
- // not underlined
- flags &= ~2;
- } else if (p === 25) {
- // not blink
- flags &= ~4;
- } else if (p === 27) {
- // not inverse
- flags &= ~8;
- } else if (p === 28) {
- // not invisible
- flags &= ~16;
- } else if (p === 39) {
- // reset fg
- fg = (this.defAttr >> 9) & 0x1ff;
- } else if (p === 49) {
- // reset bg
- bg = this.defAttr & 0x1ff;
- } else if (p === 38) {
- // fg color 256
- if (params[i + 1] === 2) {
- i += 2;
- fg = matchColor(
- params[i] & 0xff,
- params[i + 1] & 0xff,
- params[i + 2] & 0xff);
- if (fg === -1) fg = 0x1ff;
- i += 2;
- } else if (params[i + 1] === 5) {
- i += 2;
- p = params[i] & 0xff;
- fg = p;
- }
- } else if (p === 48) {
- // bg color 256
- if (params[i + 1] === 2) {
- i += 2;
- bg = matchColor(
- params[i] & 0xff,
- params[i + 1] & 0xff,
- params[i + 2] & 0xff);
- if (bg === -1) bg = 0x1ff;
- i += 2;
- } else if (params[i + 1] === 5) {
- i += 2;
- p = params[i] & 0xff;
- bg = p;
- }
- } else if (p === 100) {
- // reset fg/bg
- fg = (this.defAttr >> 9) & 0x1ff;
- bg = this.defAttr & 0x1ff;
- } else {
- this.error('Unknown SGR attribute: %d.', p);
- }
- }
-
- this.curAttr = (flags << 18) | (fg << 9) | bg;
-};
-
-
-/**
- * CSI Ps n Device Status Report (DSR).
- * Ps = 5 -> Status Report. Result (``OK'') is
- * CSI 0 n
- * Ps = 6 -> Report Cursor Position (CPR) [row;column].
- * Result is
- * CSI r ; c R
- * CSI ? Ps n
- * Device Status Report (DSR, DEC-specific).
- * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI
- * ? r ; c R (assumes page is zero).
- * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).
- * or CSI ? 1 1 n (not ready).
- * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)
- * or CSI ? 2 1 n (locked).
- * Ps = 2 6 -> Report Keyboard status as
- * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).
- * The last two parameters apply to VT400 & up, and denote key-
- * board ready and LK01 respectively.
- * Ps = 5 3 -> Report Locator status as
- * CSI ? 5 3 n Locator available, if compiled-in, or
- * CSI ? 5 0 n No Locator, if not.
- */
-Terminal.prototype.deviceStatus = function(params) {
- if (!this.prefix) {
- switch (params[0]) {
- case 5:
- // status report
- this.send('\x1b[0n');
- break;
- case 6:
- // cursor position
- this.send('\x1b['
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
- }
- } else if (this.prefix === '?') {
- // modern xterm doesnt seem to
- // respond to any of these except ?6, 6, and 5
- switch (params[0]) {
- case 6:
- // cursor position
- this.send('\x1b[?'
- + (this.y + 1)
- + ';'
- + (this.x + 1)
- + 'R');
- break;
- case 15:
- // no printer
- // this.send('\x1b[?11n');
- break;
- case 25:
- // dont support user defined keys
- // this.send('\x1b[?21n');
- break;
- case 26:
- // north american keyboard
- // this.send('\x1b[?27;1;0;0n');
- break;
- case 53:
- // no dec locator/mouse
- // this.send('\x1b[?50n');
- break;
- }
- }
-};
-
-
-/**
- * Additions
- */
-
-/**
- * CSI Ps @
- * Insert Ps (Blank) Character(s) (default = 1) (ICH).
- */
-Terminal.prototype.insertChars = function(params) {
- var param, row, j, ch;
-
- param = params[0];
- if (param < 1) param = 1;
-
- row = this.y + this.ybase;
- j = this.x;
- ch = [this.eraseAttr(), ' ', 1]; // xterm
-
- while (param-- && j < this.cols) {
- this.lines.get(row).splice(j++, 0, ch);
- this.lines.get(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--) {
- if (this.lines.length === this.lines.maxLength) {
- this.lines.trimStart(1);
- this.ybase--;
- this.ydisp--;
- row--;
- j--;
- }
- // 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--) {
- if (this.lines.length === this.lines.maxLength) {
- // Trim the start of lines to make room for the new temporary row
- // TODO: This section could be optimized by introducing a CircularList function that inserts,
- // deletes and shifts elements to accomplish this task.
- this.lines.trimStart(1);
- this.ybase -= 1;
- this.ydisp -= 1;
- }
- // test: echo -e '\e[44m\e[1M\e[0m'
- // blankLine(true) - xterm/linux behavior
- this.lines.splice(j + 1, 0, this.blankLine(true));
- this.lines.splice(row, 1);
- }
-
- // this.maxRange();
- this.updateRange(this.y);
- this.updateRange(this.scrollBottom);
-};
-
-
-/**
- * CSI Ps P
- * Delete Ps Character(s) (default = 1) (DCH).
- */
-Terminal.prototype.deleteChars = function(params) {
- var param, row, ch;
-
- param = params[0];
- if (param < 1) param = 1;
-
- row = this.y + this.ybase;
- ch = [this.eraseAttr(), ' ', 1]; // xterm
-
- while (param--) {
- this.lines.get(row).splice(this.x, 1);
- this.lines.get(row).push(ch);
- }
-};
-
-/**
- * CSI Ps X
- * Erase Ps Character(s) (default = 1) (ECH).
- */
-Terminal.prototype.eraseChars = function(params) {
- var param, row, j, ch;
-
- param = params[0];
- if (param < 1) param = 1;
-
- row = this.y + this.ybase;
- j = this.x;
- ch = [this.eraseAttr(), ' ', 1]; // xterm
-
- while (param-- && j < this.cols) {
- this.lines.get(row)[j++] = ch;
- }
-};
-
-/**
- * CSI Pm ` Character Position Absolute
- * [column] (default = [row,1]) (HPA).
- */
-Terminal.prototype.charPosAbsolute = function(params) {
- var param = params[0];
- if (param < 1) param = 1;
- this.x = param - 1;
- if (this.x >= this.cols) {
- this.x = this.cols - 1;
- }
-};
-
-
-/**
- * 141 61 a * HPR -
- * Horizontal Position Relative
- * reuse CSI Ps C ?
- */
-Terminal.prototype.HPositionRelative = function(params) {
- var param = params[0];
- if (param < 1) param = 1;
- this.x += param;
- if (this.x >= this.cols) {
- this.x = this.cols - 1;
- }
-};
-
-
-/**
- * CSI Ps c Send Device Attributes (Primary DA).
- * Ps = 0 or omitted -> request attributes from terminal. The
- * response depends on the decTerminalID resource setting.
- * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')
- * -> CSI ? 1 ; 0 c (``VT101 with No Options'')
- * -> CSI ? 6 c (``VT102'')
- * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')
- * The VT100-style response parameters do not mean anything by
- * themselves. VT220 parameters do, telling the host what fea-
- * tures the terminal supports:
- * Ps = 1 -> 132-columns.
- * Ps = 2 -> Printer.
- * Ps = 6 -> Selective erase.
- * Ps = 8 -> User-defined keys.
- * Ps = 9 -> National replacement character sets.
- * Ps = 1 5 -> Technical characters.
- * Ps = 2 2 -> ANSI color, e.g., VT525.
- * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).
- * CSI > Ps c
- * Send Device Attributes (Secondary DA).
- * Ps = 0 or omitted -> request the terminal's identification
- * code. The response depends on the decTerminalID resource set-
- * ting. It should apply only to VT220 and up, but xterm extends
- * this to VT100.
- * -> CSI > Pp ; Pv ; Pc c
- * where Pp denotes the terminal type
- * Pp = 0 -> ``VT100''.
- * Pp = 1 -> ``VT220''.
- * and Pv is the firmware version (for xterm, this was originally
- * the XFree86 patch number, starting with 95). In a DEC termi-
- * nal, Pc indicates the ROM cartridge registration number and is
- * always zero.
- * More information:
- * xterm/charproc.c - line 2012, for more information.
- * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)
- */
-Terminal.prototype.sendDeviceAttributes = function(params) {
- if (params[0] > 0) return;
-
- if (!this.prefix) {
- if (this.is('xterm')
- || this.is('rxvt-unicode')
- || this.is('screen')) {
- this.send('\x1b[?1;2c');
- } else if (this.is('linux')) {
- this.send('\x1b[?6c');
- }
- } else if (this.prefix === '>') {
- // xterm and urxvt
- // seem to spit this
- // out around ~370 times (?).
- if (this.is('xterm')) {
- this.send('\x1b[>0;276;0c');
- } else if (this.is('rxvt-unicode')) {
- this.send('\x1b[>85;95;0c');
- } else if (this.is('linux')) {
- // not supported by linux console.
- // linux console echoes parameters.
- this.send(params[0] + 'c');
- } else if (this.is('screen')) {
- this.send('\x1b[>83;40003;0c');
- }
- }
-};
-
-
-/**
- * CSI Pm d
- * Line Position Absolute [row] (default = [1,column]) (VPA).
- */
-Terminal.prototype.linePosAbsolute = function(params) {
- var param = params[0];
- if (param < 1) param = 1;
- this.y = param - 1;
- if (this.y >= this.rows) {
- this.y = this.rows - 1;
- }
-};
-
-
-/**
- * 145 65 e * VPR - Vertical Position Relative
- * reuse CSI Ps B ?
- */
-Terminal.prototype.VPositionRelative = function(params) {
- var param = params[0];
- if (param < 1) param = 1;
- this.y += param;
- if (this.y >= this.rows) {
- this.y = this.rows - 1;
- }
-};
-
-
-/**
- * CSI Ps ; Ps f
- * Horizontal and Vertical Position [row;column] (default =
- * [1,1]) (HVP).
- */
-Terminal.prototype.HVPosition = function(params) {
- if (params[0] < 1) params[0] = 1;
- if (params[1] < 1) params[1] = 1;
-
- this.y = params[0] - 1;
- if (this.y >= this.rows) {
- this.y = this.rows - 1;
- }
-
- this.x = params[1] - 1;
- if (this.x >= this.cols) {
- this.x = this.cols - 1;
- }
-};
-
-
-/**
- * CSI Pm h Set Mode (SM).
- * Ps = 2 -> Keyboard Action Mode (AM).
- * Ps = 4 -> Insert Mode (IRM).
- * Ps = 1 2 -> Send/receive (SRM).
- * Ps = 2 0 -> Automatic Newline (LNM).
- * CSI ? Pm h
- * DEC Private Mode Set (DECSET).
- * Ps = 1 -> Application Cursor Keys (DECCKM).
- * Ps = 2 -> Designate USASCII for character sets G0-G3
- * (DECANM), and set VT100 mode.
- * Ps = 3 -> 132 Column Mode (DECCOLM).
- * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).
- * Ps = 5 -> Reverse Video (DECSCNM).
- * Ps = 6 -> Origin Mode (DECOM).
- * Ps = 7 -> Wraparound Mode (DECAWM).
- * Ps = 8 -> Auto-repeat Keys (DECARM).
- * Ps = 9 -> Send Mouse X & Y on button press. See the sec-
- * tion Mouse Tracking.
- * Ps = 1 0 -> Show toolbar (rxvt).
- * Ps = 1 2 -> Start Blinking Cursor (att610).
- * Ps = 1 8 -> Print form feed (DECPFF).
- * Ps = 1 9 -> Set print extent to full screen (DECPEX).
- * Ps = 2 5 -> Show Cursor (DECTCEM).
- * Ps = 3 0 -> Show scrollbar (rxvt).
- * Ps = 3 5 -> Enable font-shifting functions (rxvt).
- * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).
- * Ps = 4 0 -> Allow 80 -> 132 Mode.
- * Ps = 4 1 -> more(1) fix (see curses resource).
- * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-
- * RCM).
- * Ps = 4 4 -> Turn On Margin Bell.
- * Ps = 4 5 -> Reverse-wraparound Mode.
- * Ps = 4 6 -> Start Logging. This is normally disabled by a
- * compile-time option.
- * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-
- * abled by the titeInhibit resource).
- * Ps = 6 6 -> Application keypad (DECNKM).
- * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).
- * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and
- * release. See the section Mouse Tracking.
- * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.
- * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.
- * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.
- * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.
- * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.
- * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).
- * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).
- * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit.
- * (enables the eightBitInput resource).
- * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-
- * Lock keys. (This enables the numLock resource).
- * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This
- * enables the metaSendsEscape resource).
- * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete
- * key.
- * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This
- * enables the altSendsEscape resource).
- * Ps = 1 0 4 0 -> Keep selection even if not highlighted.
- * (This enables the keepSelection resource).
- * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables
- * the selectToClipboard resource).
- * Ps = 1 0 4 2 -> Enable Urgency window manager hint when
- * Control-G is received. (This enables the bellIsUrgent
- * resource).
- * Ps = 1 0 4 3 -> Enable raising of the window when Control-G
- * is received. (enables the popOnBell resource).
- * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be
- * disabled by the titeInhibit resource).
- * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-
- * abled by the titeInhibit resource).
- * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate
- * Screen Buffer, clearing it first. (This may be disabled by
- * the titeInhibit resource). This combines the effects of the 1
- * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based
- * applications rather than the 4 7 mode.
- * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.
- * Ps = 1 0 5 1 -> Set Sun function-key mode.
- * Ps = 1 0 5 2 -> Set HP function-key mode.
- * Ps = 1 0 5 3 -> Set SCO function-key mode.
- * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).
- * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.
- * Ps = 2 0 0 4 -> Set bracketed paste mode.
- * Modes:
- * http: *vt100.net/docs/vt220-rm/chapter4.html
- */
-Terminal.prototype.setMode = function(params) {
- if (typeof params === 'object') {
- var l = params.length
- , i = 0;
-
- for (; i < l; i++) {
- this.setMode(params[i]);
- }
-
- return;
- }
-
- if (!this.prefix) {
- switch (params) {
- case 4:
- this.insertMode = true;
- break;
- case 20:
- //this.convertEol = true;
- break;
- }
- } else if (this.prefix === '?') {
- switch (params) {
- case 1:
- this.applicationCursor = true;
- break;
- case 2:
- this.setgCharset(0, Terminal.charsets.US);
- this.setgCharset(1, Terminal.charsets.US);
- this.setgCharset(2, Terminal.charsets.US);
- this.setgCharset(3, Terminal.charsets.US);
- // set VT100 mode here
- break;
- case 3: // 132 col mode
- this.savedCols = this.cols;
- this.resize(132, this.rows);
- break;
- case 6:
- this.originMode = true;
- break;
- case 7:
- this.wraparoundMode = true;
- break;
- case 12:
- // this.cursorBlink = true;
- break;
- case 66:
- this.log('Serial port requested application keypad.');
- this.applicationKeypad = true;
- this.viewport.syncScrollArea();
- break;
- case 9: // X10 Mouse
- // no release, no motion, no wheel, no modifiers.
- case 1000: // vt200 mouse
- // no motion.
- // no modifiers, except control on the wheel.
- case 1002: // button event mouse
- case 1003: // any event mouse
- // any event - sends motion events,
- // even if there is no button held down.
- this.x10Mouse = params === 9;
- this.vt200Mouse = params === 1000;
- this.normalMouse = params > 1000;
- this.mouseEvents = true;
- this.element.style.cursor = 'default';
- this.log('Binding to mouse events.');
- break;
- case 1004: // send focusin/focusout events
- // focusin: ^[[I
- // focusout: ^[[O
- this.sendFocus = true;
- break;
- case 1005: // utf8 ext mode mouse
- this.utfMouse = true;
- // for wide terminals
- // simply encodes large values as utf8 characters
- break;
- case 1006: // sgr ext mode mouse
- this.sgrMouse = true;
- // for wide terminals
- // does not add 32 to fields
- // press: ^[[<b;x;yM
- // release: ^[[<b;x;ym
- break;
- case 1015: // urxvt ext mode mouse
- this.urxvtMouse = true;
- // for wide terminals
- // numbers for fields
- // press: ^[[b;x;yM
- // motion: ^[[b;x;yT
- break;
- case 25: // show cursor
- this.cursorHidden = false;
- break;
- case 1049: // alt screen buffer cursor
- //this.saveCursor();
- ; // FALL-THROUGH
- case 47: // alt screen buffer
- case 1047: // alt screen buffer
- if (!this.normal) {
- var normal = {
- lines: this.lines,
- ybase: this.ybase,
- ydisp: this.ydisp,
- x: this.x,
- y: this.y,
- scrollTop: this.scrollTop,
- scrollBottom: this.scrollBottom,
- tabs: this.tabs
- // XXX save charset(s) here?
- // charset: this.charset,
- // glevel: this.glevel,
- // charsets: this.charsets
- };
- this.reset();
- this.normal = normal;
- this.showCursor();
- }
- break;
- }
- }
-};
-
-/**
- * CSI Pm l Reset Mode (RM).
- * Ps = 2 -> Keyboard Action Mode (AM).
- * Ps = 4 -> Replace Mode (IRM).
- * Ps = 1 2 -> Send/receive (SRM).
- * Ps = 2 0 -> Normal Linefeed (LNM).
- * CSI ? Pm l
- * DEC Private Mode Reset (DECRST).
- * Ps = 1 -> Normal Cursor Keys (DECCKM).
- * Ps = 2 -> Designate VT52 mode (DECANM).
- * Ps = 3 -> 80 Column Mode (DECCOLM).
- * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).
- * Ps = 5 -> Normal Video (DECSCNM).
- * Ps = 6 -> Normal Cursor Mode (DECOM).
- * Ps = 7 -> No Wraparound Mode (DECAWM).
- * Ps = 8 -> No Auto-repeat Keys (DECARM).
- * Ps = 9 -> Don't send Mouse X & Y on button press.
- * Ps = 1 0 -> Hide toolbar (rxvt).
- * Ps = 1 2 -> Stop Blinking Cursor (att610).
- * Ps = 1 8 -> Don't print form feed (DECPFF).
- * Ps = 1 9 -> Limit print to scrolling region (DECPEX).
- * Ps = 2 5 -> Hide Cursor (DECTCEM).
- * Ps = 3 0 -> Don't show scrollbar (rxvt).
- * Ps = 3 5 -> Disable font-shifting functions (rxvt).
- * Ps = 4 0 -> Disallow 80 -> 132 Mode.
- * Ps = 4 1 -> No more(1) fix (see curses resource).
- * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-
- * NRCM).
- * Ps = 4 4 -> Turn Off Margin Bell.
- * Ps = 4 5 -> No Reverse-wraparound Mode.
- * Ps = 4 6 -> Stop Logging. (This is normally disabled by a
- * compile-time option).
- * Ps = 4 7 -> Use Normal Screen Buffer.
- * Ps = 6 6 -> Numeric keypad (DECNKM).
- * Ps = 6 7 -> Backarrow key sends delete (DECBKM).
- * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and
- * release. See the section Mouse Tracking.
- * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.
- * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.
- * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.
- * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.
- * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.
- * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output
- * (rxvt).
- * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).
- * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables
- * the eightBitInput resource).
- * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-
- * Lock keys. (This disables the numLock resource).
- * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.
- * (This disables the metaSendsEscape resource).
- * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad
- * Delete key.
- * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.
- * (This disables the altSendsEscape resource).
- * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.
- * (This disables the keepSelection resource).
- * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables
- * the selectToClipboard resource).
- * Ps = 1 0 4 2 -> Disable Urgency window manager hint when
- * Control-G is received. (This disables the bellIsUrgent
- * resource).
- * Ps = 1 0 4 3 -> Disable raising of the window when Control-
- * G is received. (This disables the popOnBell resource).
- * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen
- * first if in the Alternate Screen. (This may be disabled by
- * the titeInhibit resource).
- * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be
- * disabled by the titeInhibit resource).
- * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor
- * as in DECRC. (This may be disabled by the titeInhibit
- * resource). This combines the effects of the 1 0 4 7 and 1 0
- * 4 8 modes. Use this with terminfo-based applications rather
- * than the 4 7 mode.
- * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.
- * Ps = 1 0 5 1 -> Reset Sun function-key mode.
- * Ps = 1 0 5 2 -> Reset HP function-key mode.
- * Ps = 1 0 5 3 -> Reset SCO function-key mode.
- * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).
- * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.
- * Ps = 2 0 0 4 -> Reset bracketed paste mode.
- */
-Terminal.prototype.resetMode = function(params) {
- if (typeof params === 'object') {
- var l = params.length
- , i = 0;
-
- for (; i < l; i++) {
- this.resetMode(params[i]);
- }
-
- return;
- }
-
- if (!this.prefix) {
- switch (params) {
- case 4:
- this.insertMode = false;
- break;
- case 20:
- //this.convertEol = false;
- break;
- }
- } else if (this.prefix === '?') {
- switch (params) {
- case 1:
- this.applicationCursor = false;
- break;
- case 3:
- if (this.cols === 132 && this.savedCols) {
- this.resize(this.savedCols, this.rows);
- }
- delete this.savedCols;
- break;
- case 6:
- this.originMode = false;
- break;
- case 7:
- this.wraparoundMode = false;
- break;
- case 12:
- // this.cursorBlink = false;
- break;
- case 66:
- this.log('Switching back to normal keypad.');
- this.applicationKeypad = false;
- this.viewport.syncScrollArea();
- break;
- case 9: // X10 Mouse
- case 1000: // vt200 mouse
- case 1002: // button event mouse
- case 1003: // any event mouse
- this.x10Mouse = false;
- this.vt200Mouse = false;
- this.normalMouse = false;
- this.mouseEvents = false;
- this.element.style.cursor = '';
- break;
- case 1004: // send focusin/focusout events
- this.sendFocus = false;
- break;
- case 1005: // utf8 ext mode mouse
- this.utfMouse = false;
- break;
- case 1006: // sgr ext mode mouse
- this.sgrMouse = false;
- break;
- case 1015: // urxvt ext mode mouse
- this.urxvtMouse = false;
- break;
- case 25: // hide cursor
- this.cursorHidden = true;
- break;
- case 1049: // alt screen buffer cursor
- ; // FALL-THROUGH
- case 47: // normal screen buffer
- case 1047: // normal screen buffer - clearing it first
- if (this.normal) {
- this.lines = this.normal.lines;
- this.ybase = this.normal.ybase;
- this.ydisp = this.normal.ydisp;
- this.x = this.normal.x;
- this.y = this.normal.y;
- this.scrollTop = this.normal.scrollTop;
- this.scrollBottom = this.normal.scrollBottom;
- this.tabs = this.normal.tabs;
- this.normal = null;
- // if (params === 1049) {
- // this.x = this.savedX;
- // this.y = this.savedY;
- // }
- this.refresh(0, this.rows - 1);
- this.showCursor();
- }
- break;
- }
- }
-};
-
-
-/**
- * CSI Ps ; Ps r
- * Set Scrolling Region [top;bottom] (default = full size of win-
- * dow) (DECSTBM).
- * CSI ? Pm r
- */
-Terminal.prototype.setScrollRegion = function(params) {
- if (this.prefix) return;
- this.scrollTop = (params[0] || 1) - 1;
- this.scrollBottom = (params[1] || this.rows) - 1;
- this.x = 0;
- this.y = 0;
-};
-
-
-/**
- * CSI s
- * Save cursor (ANSI.SYS).
- */
-Terminal.prototype.saveCursor = function(params) {
- this.savedX = this.x;
- this.savedY = this.y;
-};
-
-
-/**
- * CSI u
- * Restore cursor (ANSI.SYS).
- */
-Terminal.prototype.restoreCursor = function(params) {
- this.x = this.savedX || 0;
- this.y = this.savedY || 0;
-};
-
-
-/**
- * Lesser Used
- */
-
-/**
- * CSI Ps I
- * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
- */
-Terminal.prototype.cursorForwardTab = function(params) {
- var param = params[0] || 1;
- while (param--) {
- this.x = this.nextStop();
- }
-};
-
-
-/**
- * CSI Ps S Scroll up Ps lines (default = 1) (SU).
- */
-Terminal.prototype.scrollUp = function(params) {
- var param = params[0] || 1;
- while (param--) {
- this.lines.splice(this.ybase + this.scrollTop, 1);
- this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());
- }
- // this.maxRange();
- this.updateRange(this.scrollTop);
- this.updateRange(this.scrollBottom);
-};
-
-
-/**
- * CSI Ps T Scroll down Ps lines (default = 1) (SD).
- */
-Terminal.prototype.scrollDown = function(params) {
- var param = params[0] || 1;
- while (param--) {
- this.lines.splice(this.ybase + this.scrollBottom, 1);
- this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());
- }
- // this.maxRange();
- this.updateRange(this.scrollTop);
- this.updateRange(this.scrollBottom);
-};
-
-
-/**
- * CSI Ps ; Ps ; Ps ; Ps ; Ps T
- * Initiate highlight mouse tracking. Parameters are
- * [func;startx;starty;firstrow;lastrow]. See the section Mouse
- * Tracking.
- */
-Terminal.prototype.initMouseTracking = function(params) {
- // Relevant: DECSET 1001
-};
-
-
-/**
- * CSI > Ps; Ps T
- * Reset one or more features of the title modes to the default
- * value. Normally, "reset" disables the feature. It is possi-
- * ble to disable the ability to reset features by compiling a
- * different default for the title modes into xterm.
- * Ps = 0 -> Do not set window/icon labels using hexadecimal.
- * Ps = 1 -> Do not query window/icon labels using hexadeci-
- * mal.
- * Ps = 2 -> Do not set window/icon labels using UTF-8.
- * Ps = 3 -> Do not query window/icon labels using UTF-8.
- * (See discussion of "Title Modes").
- */
-Terminal.prototype.resetTitleModes = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
- */
-Terminal.prototype.cursorBackwardTab = function(params) {
- var param = params[0] || 1;
- while (param--) {
- this.x = this.prevStop();
- }
-};
-
-
-/**
- * CSI Ps b Repeat the preceding graphic character Ps times (REP).
- */
-Terminal.prototype.repeatPrecedingCharacter = function(params) {
- var param = params[0] || 1
- , line = this.lines.get(this.ybase + this.y)
- , ch = line[this.x - 1] || [this.defAttr, ' ', 1];
-
- while (param--) line[this.x++] = ch;
-};
-
-
-/**
- * CSI Ps g Tab Clear (TBC).
- * Ps = 0 -> Clear Current Column (default).
- * Ps = 3 -> Clear All.
- * Potentially:
- * Ps = 2 -> Clear Stops on Line.
- * http://vt100.net/annarbor/aaa-ug/section6.html
- */
-Terminal.prototype.tabClear = function(params) {
- var param = params[0];
- if (param <= 0) {
- delete this.tabs[this.x];
- } else if (param === 3) {
- this.tabs = {};
- }
-};
-
-
-/**
- * CSI Pm i Media Copy (MC).
- * Ps = 0 -> Print screen (default).
- * Ps = 4 -> Turn off printer controller mode.
- * Ps = 5 -> Turn on printer controller mode.
- * CSI ? Pm i
- * Media Copy (MC, DEC-specific).
- * Ps = 1 -> Print line containing cursor.
- * Ps = 4 -> Turn off autoprint mode.
- * Ps = 5 -> Turn on autoprint mode.
- * Ps = 1 0 -> Print composed display, ignores DECPEX.
- * Ps = 1 1 -> Print all pages.
- */
-Terminal.prototype.mediaCopy = function(params) {
- ;
-};
-
-
-/**
- * CSI > Ps; Ps m
- * Set or reset resource-values used by xterm to decide whether
- * to construct escape sequences holding information about the
- * modifiers pressed with a given key. The first parameter iden-
- * tifies the resource to set/reset. The second parameter is the
- * value to assign to the resource. If the second parameter is
- * omitted, the resource is reset to its initial value.
- * Ps = 1 -> modifyCursorKeys.
- * Ps = 2 -> modifyFunctionKeys.
- * Ps = 4 -> modifyOtherKeys.
- * If no parameters are given, all resources are reset to their
- * initial values.
- */
-Terminal.prototype.setResources = function(params) {
- ;
-};
-
-
-/**
- * CSI > Ps n
- * Disable modifiers which may be enabled via the CSI > Ps; Ps m
- * sequence. This corresponds to a resource value of "-1", which
- * cannot be set with the other sequence. The parameter identi-
- * fies the resource to be disabled:
- * Ps = 1 -> modifyCursorKeys.
- * Ps = 2 -> modifyFunctionKeys.
- * Ps = 4 -> modifyOtherKeys.
- * If the parameter is omitted, modifyFunctionKeys is disabled.
- * When modifyFunctionKeys is disabled, xterm uses the modifier
- * keys to make an extended sequence of functions rather than
- * adding a parameter to each function key to denote the modi-
- * fiers.
- */
-Terminal.prototype.disableModifiers = function(params) {
- ;
-};
-
-
-/**
- * CSI > Ps p
- * Set resource value pointerMode. This is used by xterm to
- * decide whether to hide the pointer cursor as the user types.
- * Valid values for the parameter:
- * Ps = 0 -> never hide the pointer.
- * Ps = 1 -> hide if the mouse tracking mode is not enabled.
- * Ps = 2 -> always hide the pointer. If no parameter is
- * given, xterm uses the default, which is 1 .
- */
-Terminal.prototype.setPointerMode = function(params) {
- ;
-};
-
-
-/**
- * CSI ! p Soft terminal reset (DECSTR).
- * http://vt100.net/docs/vt220-rm/table4-10.html
- */
-Terminal.prototype.softReset = function(params) {
- this.cursorHidden = false;
- this.insertMode = false;
- this.originMode = false;
- this.wraparoundMode = false; // autowrap
- this.applicationKeypad = false; // ?
- this.viewport.syncScrollArea();
- this.applicationCursor = false;
- this.scrollTop = 0;
- this.scrollBottom = this.rows - 1;
- this.curAttr = this.defAttr;
- this.x = this.y = 0; // ?
- this.charset = null;
- this.glevel = 0; // ??
- this.charsets = [null]; // ??
-};
-
-
-/**
- * CSI Ps$ p
- * Request ANSI mode (DECRQM). For VT300 and up, reply is
- * CSI Ps; Pm$ y
- * where Ps is the mode number as in RM, and Pm is the mode
- * value:
- * 0 - not recognized
- * 1 - set
- * 2 - reset
- * 3 - permanently set
- * 4 - permanently reset
- */
-Terminal.prototype.requestAnsiMode = function(params) {
- ;
-};
-
-
-/**
- * CSI ? Ps$ p
- * Request DEC private mode (DECRQM). For VT300 and up, reply is
- * CSI ? Ps; Pm$ p
- * where Ps is the mode number as in DECSET, Pm is the mode value
- * as in the ANSI DECRQM.
- */
-Terminal.prototype.requestPrivateMode = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps ; Ps " p
- * Set conformance level (DECSCL). Valid values for the first
- * parameter:
- * Ps = 6 1 -> VT100.
- * Ps = 6 2 -> VT200.
- * Ps = 6 3 -> VT300.
- * Valid values for the second parameter:
- * Ps = 0 -> 8-bit controls.
- * Ps = 1 -> 7-bit controls (always set for VT100).
- * Ps = 2 -> 8-bit controls.
- */
-Terminal.prototype.setConformanceLevel = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps q Load LEDs (DECLL).
- * Ps = 0 -> Clear all LEDS (default).
- * Ps = 1 -> Light Num Lock.
- * Ps = 2 -> Light Caps Lock.
- * Ps = 3 -> Light Scroll Lock.
- * Ps = 2 1 -> Extinguish Num Lock.
- * Ps = 2 2 -> Extinguish Caps Lock.
- * Ps = 2 3 -> Extinguish Scroll Lock.
- */
-Terminal.prototype.loadLEDs = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps SP q
- * Set cursor style (DECSCUSR, VT520).
- * Ps = 0 -> blinking block.
- * Ps = 1 -> blinking block (default).
- * Ps = 2 -> steady block.
- * Ps = 3 -> blinking underline.
- * Ps = 4 -> steady underline.
- */
-Terminal.prototype.setCursorStyle = function(params) {
- ;
-};
-
-
-/**
- * CSI Ps " q
- * Select character protection attribute (DECSCA). Valid values
- * for the parameter:
- * Ps = 0 -> DECSED and DECSEL can erase (default).
- * Ps = 1 -> DECSED and DECSEL cannot erase.
- * Ps = 2 -> DECSED and DECSEL can erase.
- */
-Terminal.prototype.setCharProtectionAttr = function(params) {
- ;
-};
-
-
-/**
- * CSI ? Pm r
- * Restore DEC Private Mode Values. The value of Ps previously
- * saved is restored. Ps values are the same as for DECSET.
- */
-Terminal.prototype.restorePrivateValues = function(params) {
- ;
-};
-
-
-/**
- * CSI Pt; Pl; Pb; Pr; Ps$ r
- * Change Attributes in Rectangular Area (DECCARA), VT400 and up.
- * Pt; Pl; Pb; Pr denotes the rectangle.
- * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.
- * NOTE: xterm doesn't enable this code by default.
- */
-Terminal.prototype.setAttrInRectangle = function(params) {
- var t = params[0]
- , l = params[1]
- , b = params[2]
- , r = params[3]
- , attr = params[4];
-
- var line
- , i;
-
- for (; t < b + 1; t++) {
- line = this.lines.get(this.ybase + t);
- for (i = l; i < r; i++) {
- line[i] = [attr, line[i][1]];
- }
- }
-
- // this.maxRange();
- this.updateRange(params[0]);
- this.updateRange(params[2]);
-};
-
-
-/**
- * CSI Pc; Pt; Pl; Pb; Pr$ x
- * Fill Rectangular Area (DECFRA), VT420 and up.
- * Pc is the character to use.
- * Pt; Pl; Pb; Pr denotes the rectangle.
- * NOTE: xterm doesn't enable this code by default.
- */
-Terminal.prototype.fillRectangle = function(params) {
- var ch = params[0]
- , t = params[1]
- , l = params[2]
- , b = params[3]
- , r = params[4];
-
- var line
- , i;
-
- for (; t < b + 1; t++) {
- line = this.lines.get(this.ybase + t);
- for (i = l; i < r; i++) {
- line[i] = [line[i][0], String.fromCharCode(ch)];
- }
- }
-
- // this.maxRange();
- this.updateRange(params[1]);
- this.updateRange(params[3]);
-};
-
-
-/**
- * CSI Ps ; Pu ' z
- * Enable Locator Reporting (DECELR).
- * Valid values for the first parameter:
- * Ps = 0 -> Locator disabled (default).
- * Ps = 1 -> Locator enabled.
- * Ps = 2 -> Locator enabled for one report, then disabled.
- * The second parameter specifies the coordinate unit for locator
- * reports.
- * Valid values for the second parameter:
- * Pu = 0 <- or omitted -> default to character cells.
- * Pu = 1 <- device physical pixels.
- * Pu = 2 <- character cells.
- */
-Terminal.prototype.enableLocatorReporting = function(params) {
- var val = params[0] > 0;
- //this.mouseEvents = val;
- //this.decLocator = val;
-};
-
-
-/**
- * CSI Pt; Pl; Pb; Pr$ z
- * Erase Rectangular Area (DECERA), VT400 and up.
- * Pt; Pl; Pb; Pr denotes the rectangle.
- * NOTE: xterm doesn't enable this code by default.
- */
-Terminal.prototype.eraseRectangle = function(params) {
- var t = params[0]
- , l = params[1]
- , b = params[2]
- , r = params[3];
-
- var line
- , i
- , ch;
-
- ch = [this.eraseAttr(), ' ', 1]; // xterm?
-
- for (; t < b + 1; t++) {
- line = this.lines.get(this.ybase + t);
- for (i = l; i < r; i++) {
- line[i] = ch;
- }
- }
-
- // this.maxRange();
- this.updateRange(params[0]);
- this.updateRange(params[2]);
-};
-
-
-/**
- * CSI P m SP }
- * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.
- * NOTE: xterm doesn't enable this code by default.
- */
-Terminal.prototype.insertColumns = function() {
- var param = params[0]
- , l = this.ybase + this.rows
- , ch = [this.eraseAttr(), ' ', 1] // xterm?
- , i;
-
- while (param--) {
- for (i = this.ybase; i < l; i++) {
- this.lines.get(i).splice(this.x + 1, 0, ch);
- this.lines.get(i).pop();
- }
- }
-
- this.maxRange();
-};
-
-
-/**
- * CSI P m SP ~
- * Delete P s Column(s) (default = 1) (DECDC), VT420 and up
- * NOTE: xterm doesn't enable this code by default.
- */
-Terminal.prototype.deleteColumns = function() {
- var param = params[0]
- , l = this.ybase + this.rows
- , ch = [this.eraseAttr(), ' ', 1] // xterm?
- , i;
-
- while (param--) {
- for (i = this.ybase; i < l; i++) {
- this.lines.get(i).splice(this.x, 1);
- this.lines.get(i).push(ch);
- }
- }
-
- this.maxRange();
-};
-
-/**
- * Character Sets
- */
-
-Terminal.charsets = {};
-
-// DEC Special Character and Line Drawing Set.
-// http://vt100.net/docs/vt102-ug/table5-13.html
-// A lot of curses apps use this if they see TERM=xterm.
-// testing: echo -e '\e(0a\e(B'
-// The xterm output sometimes seems to conflict with the
-// reference above. xterm seems in line with the reference
-// when running vttest however.
-// The table below now uses xterm's output from vttest.
-Terminal.charsets.SCLD = { // (0
- '`': '\u25c6', // '◆'
- 'a': '\u2592', // '▒'
- 'b': '\u0009', // '\t'
- 'c': '\u000c', // '\f'
- 'd': '\u000d', // '\r'
- 'e': '\u000a', // '\n'
- 'f': '\u00b0', // '°'
- 'g': '\u00b1', // '±'
- 'h': '\u2424', // '\u2424' (NL)
- 'i': '\u000b', // '\v'
- 'j': '\u2518', // '┘'
- 'k': '\u2510', // '┐'
- 'l': '\u250c', // '┌'
- 'm': '\u2514', // '└'
- 'n': '\u253c', // '┼'
- 'o': '\u23ba', // '⎺'
- 'p': '\u23bb', // '⎻'
- 'q': '\u2500', // '─'
- 'r': '\u23bc', // '⎼'
- 's': '\u23bd', // '⎽'
- 't': '\u251c', // '├'
- 'u': '\u2524', // '┤'
- 'v': '\u2534', // '┴'
- 'w': '\u252c', // '┬'
- 'x': '\u2502', // '│'
- 'y': '\u2264', // '≤'
- 'z': '\u2265', // '≥'
- '{': '\u03c0', // 'π'
- '|': '\u2260', // '≠'
- '}': '\u00a3', // '£'
- '~': '\u00b7' // '·'
-};
-
-Terminal.charsets.UK = null; // (A
-Terminal.charsets.US = null; // (B (USASCII)
-Terminal.charsets.Dutch = null; // (4
-Terminal.charsets.Finnish = null; // (C or (5
-Terminal.charsets.French = null; // (R
-Terminal.charsets.FrenchCanadian = null; // (Q
-Terminal.charsets.German = null; // (K
-Terminal.charsets.Italian = null; // (Y
-Terminal.charsets.NorwegianDanish = null; // (E or (6
-Terminal.charsets.Spanish = null; // (Z
-Terminal.charsets.Swedish = null; // (H or (7
-Terminal.charsets.Swiss = null; // (=
-Terminal.charsets.ISOLatin = null; // /A
-
-/**
- * Helpers
- */
-
-function on(el, type, handler, capture) {
- if (!Array.isArray(el)) {
- el = [el];
- }
- el.forEach(function (element) {
- element.addEventListener(type, handler, capture || false);
- });
-}
-
-function off(el, type, handler, capture) {
- el.removeEventListener(type, handler, capture || false);
-}
-
-function cancel(ev, force) {
- if (!this.cancelEvents && !force) {
- return;
- }
- ev.preventDefault();
- ev.stopPropagation();
- return false;
-}
-
-function inherits(child, parent) {
- function f() {
- this.constructor = child;
- }
- f.prototype = parent.prototype;
- child.prototype = new f;
-}
-
-// if bold is broken, we can't
-// use it in the terminal.
-function isBoldBroken(document) {
- var body = document.getElementsByTagName('body')[0];
- var el = document.createElement('span');
- el.innerHTML = 'hello world';
- body.appendChild(el);
- var w1 = el.scrollWidth;
- el.style.fontWeight = 'bold';
- var w2 = el.scrollWidth;
- body.removeChild(el);
- return w1 !== w2;
-}
-
-function indexOf(obj, el) {
- var i = obj.length;
- while (i--) {
- if (obj[i] === el) return i;
- }
- return -1;
-}
-
-function isThirdLevelShift(term, ev) {
- var thirdLevelKey =
- (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
- (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
-
- if (ev.type == 'keypress') {
- return thirdLevelKey;
- }
-
- // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)
- return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
-}
-
-function matchColor(r1, g1, b1) {
- var hash = (r1 << 16) | (g1 << 8) | b1;
-
- if (matchColor._cache[hash] != null) {
- return matchColor._cache[hash];
- }
-
- var ldiff = Infinity
- , li = -1
- , i = 0
- , c
- , r2
- , g2
- , b2
- , diff;
-
- for (; i < Terminal.vcolors.length; i++) {
- c = Terminal.vcolors[i];
- r2 = c[0];
- g2 = c[1];
- b2 = c[2];
+ 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);
}
}
+function wasMondifierKeyOnlyEvent(ev) {
+ return ev.keyCode === 16 || // Shift
+ ev.keyCode === 17 || // Ctrl
+ ev.keyCode === 18; // Alt
+}
+
function keys(obj) {
if (Object.keys) return Object.keys(obj);
var key, keys = [];
return keys;
}
-var wcwidth = (function(opts) {
- // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c
- // combining characters
- var COMBINING = [
- [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
- [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
- [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
- [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
- [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
- [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
- [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
- [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
- [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
- [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
- [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
- [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
- [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
- [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
- [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
- [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
- [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
- [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
- [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
- [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
- [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
- [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
- [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
- [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
- [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
- [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
- [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
- [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
- [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
- [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
- [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
- [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
- [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
- [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
- [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
- [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
- [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
- [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
- [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
- [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
- [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
- [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
- [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
- [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
- [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
- [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
- [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
- [0xE0100, 0xE01EF]
- ];
- // binary search
- function bisearch(ucs) {
- var min = 0;
- var max = COMBINING.length - 1;
- var mid;
- if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])
- return false;
- while (max >= min) {
- mid = Math.floor((min + max) / 2);
- if (ucs > COMBINING[mid][1])
- min = mid + 1;
- else if (ucs < COMBINING[mid][0])
- max = mid - 1;
- else
- return true;
- }
- return false;
- }
- function wcwidth(ucs) {
- // test for 8-bit control characters
- if (ucs === 0)
- return opts.nul;
- if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
- return opts.control;
- // binary search in table of non-spacing characters
- if (bisearch(ucs))
- return 0;
- // if we arrive here, ucs is not a combining or C0/C1 control character
- return 1 +
- (
- ucs >= 0x1100 &&
- (
- ucs <= 0x115f || // Hangul Jamo init. consonants
- ucs == 0x2329 ||
- ucs == 0x232a ||
- (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi
- (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables
- (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs
- (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms
- (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms
- (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms
- (ucs >= 0xffe0 && ucs <= 0xffe6) ||
- (ucs >= 0x20000 && ucs <= 0x2fffd) ||
- (ucs >= 0x30000 && ucs <= 0x3fffd)
- )
- );
- }
- return wcwidth;
-})({nul: 0, control: 0}); // configurable options
-
/**
* Expose
*/
projects / mirror_xterm.js.git / blobdiff