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neo-blessed
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neo-blessed/lib/program.js

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2013-01-27 10:30:52 +00:00
/**
* Modules
*/
var EventEmitter = require('events').EventEmitter;
/**
* Program
*/
function Program(input, output) {
var self = this;
EventEmitter.call(this);
this.input = input || process.stdin;
this.output = output || process.stdout;
this.x = 1;
this.y = 1;
this.cols = this.output.columns || 1;
this.rows = this.output.rows || 1;
this.listen();
}
Program.prototype.__proto__ = EventEmitter.prototype;
Program.prototype.listen = function() {
if (!this.input.isTTY || !this.output.isTTY) return;
var readline = require('readline')
, self = this;
this._raw = true;
this.input.setRawMode(true);
this.input.on('keypress', function(ch, key) {
key = key || 0;
if (key.ctrl && key.name === 'c') {
if (process.listeners('SIGINT').length) {
process.emit('SIGINT');
}
if (self.listeners('SIGINT').length) {
self.emit('SIGINT');
}
return;
}
self.emit('keypress', ch, key);
});
readline.emitKeypressEvents(this.input);
this.input.resume();
this.output.on('resize', function() {
self.cols = self.output.columns;
self.rows = self.output.rows;
self.emit('resize');
});
};
Program.prototype.receive = function(text, callback) {
var listeners = this.listeners('keypress')
, bak = listeners.slice();
if (!this._raw) {
throw new Error('Input must be raw.');
}
listeners.length = 0;
if (!callback) {
callback = text;
text = null;
}
this.input.once('data', function(data) {
listeners.push.apply(listeners, bak);
if (typeof data !== 'string') {
data = data.toString('utf8');
}
return callback(null, data);
});
if (text) this.echo(text);
};
Program.prototype.listChoices = function(list) {
var self = this;
};
Program.prototype.write =
Program.prototype.echo = function(text, attr) {
if (attr) {
this.attr(attr, true);
this.echo(text);
this.attr(attr, false);
return;
}
return this.output.write(text);
};
Program.prototype.setX = function(x) {
return this.cursorPos(this.y, x);
};
Program.prototype.setY = function(y) {
return this.cursorPos(y, this.x);
};
Program.prototype.move = function(x, y) {
return this.cursorPos(y, x);
};
// NOTE: There are better ways to do rel movements.
Program.prototype.rsetX = function(x) {
return this.cursorPos(this.y, this.x + x);
};
Program.prototype.rsetY = function(y) {
return this.cursorPos(this.y + y, this.x);
};
Program.prototype.rmove = function(x, y) {
return this.cursorPos(this.y + y, this.x + x);
};
/*
Program.prototype.__defineGetter('x', function() {
return this._x || 1;
});
Program.prototype.__defineSetter__('x', function(x) {
this.cursorPos(x, this.y);
return this._x = x;
});
Program.prototype.__defineGetter('y', function() {
return this._y || 1;
});
Program.prototype.__defineSetter__('y', function(y) {
this.cursorPos(this.x, y);
return this._y = y;
});
*/
/**
* Normal
*/
Program.prototype.nul = function() {
this.echo('\0');
};
Program.prototype.bell = function() {
this.echo('\x07');
};
Program.prototype.vtab = function() {
this.echo('\x0b');
};
Program.prototype.form = function() {
this.echo('\x0c');
};
Program.prototype.backspace = function() {
this.echo('\x08');
};
Program.prototype.tab = function() {
this.echo('\t');
};
Program.prototype.shiftOut = function() {
this.echo('\x0e');
};
Program.prototype.shiftIn = function() {
this.echo('\x0f');
};
Program.prototype.return = function() {
this.echo('\r');
};
Program.prototype.feed = function() {
this.echo('\n');
};
/**
* Esc
*/
// ESC D Index (IND is 0x84).
Program.prototype.index = function() {
this.echo('\x1bD');
};
// ESC M Reverse Index (RI is 0x8d).
Program.prototype.reverse =
Program.prototype.reverseIndex = function() {
this.echo('\x1bM');
};
// ESC c Full Reset (RIS).
Program.prototype.reset = function() {
this.echo('\x1bc');
};
// ESC H Tab Set (HTS is 0x88).
Program.prototype.tabSet = function() {
this.echo('\x1bH');
};
Program.prototype.esc = function(code) {
this.echo('\x1b' + code);
};
/**
* CSI
*/
Program.prototype.csi = function(code) {
this.esc('[' + code);
};
// CSI Ps A
// Cursor Up Ps Times (default = 1) (CUU).
Program.prototype.up =
Program.prototype.cursorUp = function(param) {
this.y -= param || 1;
this.echo('\x1b[' + (param || '') + 'A');
};
// CSI Ps B
// Cursor Down Ps Times (default = 1) (CUD).
Program.prototype.down =
Program.prototype.cursorDown = function(param) {
this.y += param || 1;
this.echo('\x1b[' + (param || '') + 'B');
};
// CSI Ps C
// Cursor Forward Ps Times (default = 1) (CUF).
Program.prototype.forward =
Program.prototype.cursorForward = function(param) {
this.x += param || 1;
this.echo('\x1b[' + (param || '') + 'C');
};
// CSI Ps D
// Cursor Backward Ps Times (default = 1) (CUB).
Program.prototype.back =
Program.prototype.cursorBackward = function(param) {
this.x -= param || 1;
this.echo('\x1b[' + (param || '') + 'D');
};
// CSI Ps ; Ps H
// Cursor Position [row;column] (default = [1,1]) (CUP).
Program.prototype.pos =
Program.prototype.cursorPos = function(row, col) {
this.x = col || 1;
this.y = row || 1;
this.echo('\x1b[' + (row || '1') + ';' + (col || '1') + 'H');
};
// 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.
Program.prototype.eraseInDisplay = function(param) {
switch (param) {
case 'above':
this.echo('\x1b[1J');
break;
case 'all':
this.echo('\x1b[2J');
break;
case 'saved':
this.echo('\x1b[3J');
break;
case 'below':
default:
this.echo('\x1b[J');
break;
}
};
Program.prototype.clear = function() {
return this.eraseInDisplay('all');
};
// 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.
Program.prototype.eraseInLine = function(param) {
switch (param) {
case 'left':
this.echo('\x1b[1K');
break;
case 'all':
this.echo('\x1b[2K');
break;
case 'right':
default:
this.echo('\x1b[K');
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.
Program.prototype.attr =
Program.prototype.charAttributes = function(param, val) {
switch (param) {
case 'normal':
this.echo('\x1b[m');
break;
case 'bold':
if (val === false) {
this.echo('\x1b[22m');
} else {
this.echo('\x1b[1m');
}
break;
case 'underlined':
if (val === false) {
this.echo('\x1b[24m');
} else {
this.echo('\x1b[4m');
}
break;
case 'blink':
if (val === false) {
this.echo('\x1b[25m');
} else {
this.echo('\x1b[5m');
}
break;
case 'inverse':
if (val === false) {
this.echo('\x1b[27m');
} else {
this.echo('\x1b[7m');
}
break;
case 'invisible':
if (val === false) {
this.echo('\x1b[28m');
} else {
this.echo('\x1b[8m');
}
break;
case 'invisible':
if (val === false) {
this.echo('\x1b[28m');
} else {
this.echo('\x1b[8m');
}
break;
case 'black fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[30m');
break;
case 'red fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[31m');
break;
case 'green fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[32m');
break;
case 'yellow fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[33m');
break;
case 'blue fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[34m');
break;
case 'magenta fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[35m');
break;
case 'cyan fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[36m');
break;
case 'white fg':
if (val === false) {
this.echo('\x1b[39m');
break;
}
this.echo('\x1b[37m');
break;
case 'default fg':
this.echo('\x1b[39m');
break;
case 'black bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[40m');
break;
case 'red bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[41m');
break;
case 'green bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[42m');
break;
case 'yellow bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[43m');
break;
case 'blue bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[44m');
break;
case 'magenta bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[45m');
break;
case 'cyan bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[46m');
break;
case 'white bg':
if (val === false) {
this.echo('\x1b[49m');
break;
}
this.echo('\x1b[47m');
break;
case 'default bg':
this.echo('\x1b[49m');
break;
default:
this.echo('\x1b[' + param + 'm');
break;
}
};
Program.prototype.fg =
Program.prototype.setForeground = function(color, val) {
return this.attr(color + ' fg', val);
};
Program.prototype.bg =
Program.prototype.setBackground = function(color, val) {
return this.attr(color + ' bg', val);
};
// 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.
Program.prototype.deviceStatus = function(params) {
};
/**
* Additions
*/
Program.prototype.isArray = function(obj) {
return Object.prototype.toString.call(obj) === '[object Array]';
};
// CSI Ps @
// Insert Ps (Blank) Character(s) (default = 1) (ICH).
Program.prototype.insertChars = function(param) {
this.echo('\x1b[' + (param || '') + '@');
};
// CSI Ps E
// Cursor Next Line Ps Times (default = 1) (CNL).
// same as CSI Ps B ?
Program.prototype.cursorNextLine = function(param) {
this.y += param || 1;
this.echo('\x1b[' + (param || '') + 'E');
};
// CSI Ps F
// Cursor Preceding Line Ps Times (default = 1) (CNL).
// reuse CSI Ps A ?
Program.prototype.cursorPrecedingLine = function(param) {
this.y -= param || 1;
this.echo('\x1b[' + (param || '') + 'F');
};
// CSI Ps G
// Cursor Character Absolute [column] (default = [row,1]) (CHA).
Program.prototype.cursorCharAbsolute = function(param) {
this.x = param || 1;
this.y = 1;
this.echo('\x1b[' + (param || '') + 'G');
};
// CSI Ps L
// Insert Ps Line(s) (default = 1) (IL).
Program.prototype.insertLines = function(param) {
this.echo('\x1b[' + (param || '') + 'L');
};
// CSI Ps M
// Delete Ps Line(s) (default = 1) (DL).
Program.prototype.deleteLines = function(param) {
this.echo('\x1b[' + (param || '') + 'M');
};
// CSI Ps P
// Delete Ps Character(s) (default = 1) (DCH).
Program.prototype.deleteChars = function(param) {
this.echo('\x1b[' + (param || '') + 'P');
};
// CSI Ps X
// Erase Ps Character(s) (default = 1) (ECH).
Program.prototype.eraseChars = function(param) {
this.echo('\x1b[' + (param || '') + 'X');
};
// CSI Pm ` Character Position Absolute
// [column] (default = [row,1]) (HPA).
Program.prototype.charPosAbsolute = function() {
var param = Array.prototype.slice.call(arguments).join(';');
this.echo('\x1b[' + (param || '') + '`');
};
// 141 61 a * HPR -
// Horizontal Position Relative
// reuse CSI Ps C ?
Program.prototype.HPositionRelative = function(param) {
this.echo('\x1b[' + (param || '') + 'a');
};
// 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 (?)
Program.prototype.sendDeviceAttributes = function(param, callback) {
return this.receive('\x1b[' + (param || '') + 'c', function(err, response) {
if (err) return callback(err);
if (response === '\x1b[?1;2c') {
return callback(null, 'VT100 with Advanced Video Option');
}
return callback(null, 'Unknown');
});
};
// CSI Pm d
// Line Position Absolute [row] (default = [1,column]) (VPA).
Program.prototype.linePosAbsolute = function() {
var param = Array.prototype.slice.call(arguments).join(';');
this.echo('\x1b[' + (param || '') + 'd');
};
// 145 65 e * VPR - Vertical Position Relative
// reuse CSI Ps B ?
Program.prototype.VPositionRelative = function(param) {
this.echo('\x1b[' + (param || '') + 'e');
};
// CSI Ps ; Ps f
// Horizontal and Vertical Position [row;column] (default =
// [1,1]) (HVP).
Program.prototype.HVPosition = function(row, col) {
this.echo('\x1b[' + (row || '1') + ';' + (col || '1') + 'f');
};
// 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
Program.prototype.setMode = function() {
var param = Array.prototype.slice.call(arguments).join(';');
//if (private) {
// return this.echo('\x1b[?' + (param || '') + 'h');
//}
this.echo('\x1b[' + (param || '') + 'h');
};
Program.prototype.showCursor = function() {
return this.setMode('?25');
};
Program.prototype.alternateBuffer = function() {
//return this.setMode('?47');
//return this.setMode('?1047');
return this.setMode('?1049');
};
// 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.
Program.prototype.resetMode = function() {
var param = Array.prototype.slice.call(arguments).join(';');
//if (private) {
// return this.echo('\x1b[?' + (param || '') + 'l');
//}
this.echo('\x1b[' + (param || '') + 'l');
};
Program.prototype.hideCursor = function() {
return this.resetMode('?25');
};
Program.prototype.normalBuffer = function() {
//return this.resetMode('?47');
//return this.resetMode('?1047');
return this.resetMode('?1049');
};
// CSI Ps ; Ps r
// Set Scrolling Region [top;bottom] (default = full size of win-
// dow) (DECSTBM).
// CSI ? Pm r
Program.prototype.setScrollRegion = function(top, bottom) {
this.echo('\x1b[' + (top || 1) + ';' + (bottom || this.rows) + 'r');
this.scrollTop = (top || 1) - 1;
this.scrollBottom = (bottom || this.rows) - 1;
this.x = 0;
this.y = 0;
};
// CSI s
// Save cursor (ANSI.SYS).
Program.prototype.saveCursor = function() {
this.echo('\x1b[s');
this.savedX = this.x;
this.savedY = this.y;
};
// CSI u
// Restore cursor (ANSI.SYS).
Program.prototype.restoreCursor = function() {
this.echo('\x1b[u');
this.x = this.savedX || 0;
this.y = this.savedY || 0;
};
/**
* Expose
*/
module.exports = Program;