/usr/local/lib/node_modules/pm2/node_modules/@pm2/blessed/lib/widgets
Edit: /usr/local/lib/node_modules/pm2/node_modules/@pm2/blessed/lib/widgets/terminal.js (10168B)
/**
* terminal.js - term.js terminal element for blessed
* Copyright (c) 2013-2015, Christopher Jeffrey and contributors (MIT License).
* https://github.com/chjj/blessed
*/
/**
* Modules
*/
var nextTick = global.setImmediate || process.nextTick.bind(process);
var Node = require('./node');
var Box = require('./box');
/**
* Terminal
*/
function Terminal(options) {
if (!(this instanceof Node)) {
return new Terminal(options);
}
options = options || {};
options.scrollable = false;
Box.call(this, options);
// XXX Workaround for all motion
if (this.screen.program.tmux && this.screen.program.tmuxVersion >= 2) {
this.screen.program.enableMouse();
}
this.handler = options.handler;
this.shell = options.shell || process.env.SHELL || 'sh';
this.args = options.args || [];
this.cursor = this.options.cursor;
this.cursorBlink = this.options.cursorBlink;
this.screenKeys = this.options.screenKeys;
this.style = this.style || {};
this.style.bg = this.style.bg || 'default';
this.style.fg = this.style.fg || 'default';
this.termName = options.terminal
|| options.term
|| process.env.TERM
|| 'xterm';
this.bootstrap();
}
Terminal.prototype.__proto__ = Box.prototype;
Terminal.prototype.type = 'terminal';
Terminal.prototype.bootstrap = function() {
var self = this;
var element = {
// window
get document() { return element; },
navigator: { userAgent: 'node.js' },
// document
get defaultView() { return element; },
get documentElement() { return element; },
createElement: function() { return element; },
// element
get ownerDocument() { return element; },
addEventListener: function() {},
removeEventListener: function() {},
getElementsByTagName: function() { return [element]; },
getElementById: function() { return element; },
parentNode: null,
offsetParent: null,
appendChild: function() {},
removeChild: function() {},
setAttribute: function() {},
getAttribute: function() {},
style: {},
focus: function() {},
blur: function() {},
console: console
};
element.parentNode = element;
element.offsetParent = element;
this.term = require('term.js')({
termName: this.termName,
cols: this.width - this.iwidth,
rows: this.height - this.iheight,
context: element,
document: element,
body: element,
parent: element,
cursorBlink: this.cursorBlink,
screenKeys: this.screenKeys
});
this.term.refresh = function() {
self.screen.render();
};
this.term.keyDown = function() {};
this.term.keyPress = function() {};
this.term.open(element);
// Emits key sequences in html-land.
// Technically not necessary here.
// In reality if we wanted to be neat, we would overwrite the keyDown and
// keyPress methods with our own node.js-keys->terminal-keys methods, but
// since all the keys are already coming in as escape sequences, we can just
// send the input directly to the handler/socket (see below).
// this.term.on('data', function(data) {
// self.handler(data);
// });
// Incoming keys and mouse inputs.
// NOTE: Cannot pass mouse events - coordinates will be off!
this.screen.program.input.on('data', this._onData = function(data) {
if (self.screen.focused === self && !self._isMouse(data)) {
self.handler(data);
}
});
this.onScreenEvent('mouse', function(data) {
if (self.screen.focused !== self) return;
if (data.x < self.aleft + self.ileft) return;
if (data.y < self.atop + self.itop) return;
if (data.x > self.aleft - self.ileft + self.width) return;
if (data.y > self.atop - self.itop + self.height) return;
if (self.term.x10Mouse
|| self.term.vt200Mouse
|| self.term.normalMouse
|| self.term.mouseEvents
|| self.term.utfMouse
|| self.term.sgrMouse
|| self.term.urxvtMouse) {
;
} else {
return;
}
var b = data.raw[0]
, x = data.x - self.aleft
, y = data.y - self.atop
, s;
if (self.term.urxvtMouse) {
if (self.screen.program.sgrMouse) {
b += 32;
}
s = '\x1b[' + b + ';' + (x + 32) + ';' + (y + 32) + 'M';
} else if (self.term.sgrMouse) {
if (!self.screen.program.sgrMouse) {
b -= 32;
}
s = '\x1b[<' + b + ';' + x + ';' + y
+ (data.action === 'mousedown' ? 'M' : 'm');
} else {
if (self.screen.program.sgrMouse) {
b += 32;
}
s = '\x1b[M'
+ String.fromCharCode(b)
+ String.fromCharCode(x + 32)
+ String.fromCharCode(y + 32);
}
self.handler(s);
});
this.on('focus', function() {
self.term.focus();
});
this.on('blur', function() {
self.term.blur();
});
this.term.on('title', function(title) {
self.title = title;
self.emit('title', title);
});
this.term.on('passthrough', function(data) {
self.screen.program.flush();
self.screen.program._owrite(data);
});
this.on('resize', function() {
nextTick(function() {
self.term.resize(self.width - self.iwidth, self.height - self.iheight);
});
});
this.once('render', function() {
self.term.resize(self.width - self.iwidth, self.height - self.iheight);
});
this.on('destroy', function() {
self.kill();
self.screen.program.input.removeListener('data', self._onData);
});
if (this.handler) {
return;
}
this.pty = require('pty.js').fork(this.shell, this.args, {
name: this.termName,
cols: this.width - this.iwidth,
rows: this.height - this.iheight,
cwd: process.env.HOME,
env: this.options.env || process.env
});
this.on('resize', function() {
nextTick(function() {
try {
self.pty.resize(self.width - self.iwidth, self.height - self.iheight);
} catch (e) {
;
}
});
});
this.handler = function(data) {
self.pty.write(data);
self.screen.render();
};
this.pty.on('data', function(data) {
self.write(data);
self.screen.render();
});
this.pty.on('exit', function(code) {
self.emit('exit', code || null);
});
this.onScreenEvent('keypress', function() {
self.screen.render();
});
this.screen._listenKeys(this);
};
Terminal.prototype.write = function(data) {
return this.term.write(data);
};
Terminal.prototype.render = function() {
var ret = this._render();
if (!ret) return;
this.dattr = this.sattr(this.style);
var xi = ret.xi + this.ileft
, xl = ret.xl - this.iright
, yi = ret.yi + this.itop
, yl = ret.yl - this.ibottom
, cursor;
var scrollback = this.term.lines.length - (yl - yi);
for (var y = Math.max(yi, 0); y < yl; y++) {
var line = this.screen.lines[y];
if (!line || !this.term.lines[scrollback + y - yi]) break;
if (y === yi + this.term.y
&& this.term.cursorState
&& this.screen.focused === this
&& (this.term.ydisp === this.term.ybase || this.term.selectMode)
&& !this.term.cursorHidden) {
cursor = xi + this.term.x;
} else {
cursor = -1;
}
for (var x = Math.max(xi, 0); x < xl; x++) {
if (!line[x] || !this.term.lines[scrollback + y - yi][x - xi]) break;
line[x][0] = this.term.lines[scrollback + y - yi][x - xi][0];
if (x === cursor) {
if (this.cursor === 'line') {
line[x][0] = this.dattr;
line[x][1] = '\u2502';
continue;
} else if (this.cursor === 'underline') {
line[x][0] = this.dattr | (2 << 18);
} else if (this.cursor === 'block' || !this.cursor) {
line[x][0] = this.dattr | (8 << 18);
}
}
line[x][1] = this.term.lines[scrollback + y - yi][x - xi][1];
// default foreground = 257
if (((line[x][0] >> 9) & 0x1ff) === 257) {
line[x][0] &= ~(0x1ff << 9);
line[x][0] |= ((this.dattr >> 9) & 0x1ff) << 9;
}
// default background = 256
if ((line[x][0] & 0x1ff) === 256) {
line[x][0] &= ~0x1ff;
line[x][0] |= this.dattr & 0x1ff;
}
}
line.dirty = true;
}
return ret;
};
Terminal.prototype._isMouse = function(buf) {
var s = buf;
if (Buffer.isBuffer(s)) {
if (s[0] > 127 && s[1] === undefined) {
s[0] -= 128;
s = '\x1b' + s.toString('utf-8');
} else {
s = s.toString('utf-8');
}
}
return (buf[0] === 0x1b && buf[1] === 0x5b && buf[2] === 0x4d)
|| /^\x1b\[M([\x00\u0020-\uffff]{3})/.test(s)
|| /^\x1b\[(\d+;\d+;\d+)M/.test(s)
|| /^\x1b\[<(\d+;\d+;\d+)([mM])/.test(s)
|| /^\x1b\[<(\d+;\d+;\d+;\d+)&w/.test(s)
|| /^\x1b\[24([0135])~\[(\d+),(\d+)\]\r/.test(s)
|| /^\x1b\[(O|I)/.test(s);
};
Terminal.prototype.setScroll =
Terminal.prototype.scrollTo = function(offset) {
this.term.ydisp = offset;
return this.emit('scroll');
};
Terminal.prototype.getScroll = function() {
return this.term.ydisp;
};
Terminal.prototype.scroll = function(offset) {
this.term.scrollDisp(offset);
return this.emit('scroll');
};
Terminal.prototype.resetScroll = function() {
this.term.ydisp = 0;
this.term.ybase = 0;
return this.emit('scroll');
};
Terminal.prototype.getScrollHeight = function() {
return this.term.rows - 1;
};
Terminal.prototype.getScrollPerc = function() {
return (this.term.ydisp / this.term.ybase) * 100;
};
Terminal.prototype.setScrollPerc = function(i) {
return this.setScroll((i / 100) * this.term.ybase | 0);
};
Terminal.prototype.screenshot = function(xi, xl, yi, yl) {
xi = 0 + (xi || 0);
if (xl != null) {
xl = 0 + (xl || 0);
} else {
xl = this.term.lines[0].length;
}
yi = 0 + (yi || 0);
if (yl != null) {
yl = 0 + (yl || 0);
} else {
yl = this.term.lines.length;
}
return this.screen.screenshot(xi, xl, yi, yl, this.term);
};
Terminal.prototype.kill = function() {
if (this.pty) {
this.pty.destroy();
this.pty.kill();
}
this.term.refresh = function() {};
this.term.write('\x1b[H\x1b[J');
if (this.term._blink) {
clearInterval(this.term._blink);
}
this.term.destroy();
};
/**
* Expose
*/
module.exports = Terminal;