About

X11 protocol client for node.js

install

npm install x11

Windows users:

1. install XMing or Cygwin/X
2. get node-x11 copy (using git or from Github)

example

Core requsests usage:

var x11 = require('x11');

var Exposure = x11.eventMask.Exposure;
var PointerMotion = x11.eventMask.PointerMotion;

x11.createClient(function(display) {
    var X = display.client;
    var root = display.screen[0].root;
    var wid = X.AllocID();
    X.CreateWindow(
       wid, root,        // new window id, parent
       0, 0, 100, 100,   // x, y, w, h
       0, 0, 0, 0,       // border, depth, class, visual
       { eventMask: Exposure|PointerMotion } // other parameters
    );
    X.MapWindow(wid);      
    var gc = X.AllocID();
    X.CreateGC(gc, wid);
    X.on('event', function(ev) {
        if (ev.type == 12)
        {
            X.PolyText8(wid, gc, 50, 50, ['Hello, Node.JS!']); 
        } 
    });
    X.on('error', function(e) {
        console.log(e);
    });
});

Screenshots

Protocol documentation

• http://www.x.org/releases/X11R7.6/doc/
• http://www.x.org/releases/X11R7.6/doc/xproto/x11protocol.pdf
• C Xlib to X11 request mapping table http://tronche.com/gui/x/xlib/appendix/a.html

Other implementations

• C: XLib - http://codesearch.google.com/codesearch/p?hl=en#xEHUuo8Crmg/sites/ftp.x.org/pub/X11R7.2/src/update/everything/libX11-X11R7.2-1.1.1.tar.bz2%7CnOqwAyDlYlo/libX11-X11R7.2-1.1.1/src/OpenDis.c&q=XOpenDisplay&d=3
• C: XCB - http://xcb.freedesktop.org/
• Python: http://sourceforge.net/projects/python-xlib/ ( github fork: https://github.com/Ademan/python-xlib-branch pypi: http://pypi.python.org/pypi/Python%20Xlib )
• Python/twisted: https://launchpad.net/twisted-x11
• Perl: http://search.cpan.org/~smccam/X11-Protocol-0.56/Protocol.pm