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README.md

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)

status

implemented requests documentation

example

Core requsests usage:

var x11 = require('../lib/x11');

var xclient = x11.createClient();
var Exposure = x11.eventMask.Exposure;
var PointerMotion = x11.eventMask.PointerMotion;

xclient.on('connect', function(display) {
    var X = this;
    var root = display.screen[0].root;
    var white = display.screen[0].white_pixel;
    var black = display.screen[0].black_pixel;

    var wid = X.AllocID();
    X.CreateWindow(
       wid, root, 
       0, 0, 100, 100, 
       1, 1, 0,
       { 
           backgroundPixel: white, eventMask: Exposure|PointerMotion  
       }
    );
    X.MapWindow(wid);

    var gc = X.AllocID();
    X.CreateGC(gc, wid, { foreground: black, background: white } );

    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);
    });
});

'click&draw' demo using simple Window wrapper:

var x11 = require('../lib/x11');
var Window = require('./wndwrap');

x11.createClient(function(display) {

    var pts = [];
    new Window(display.client, 0, 0, 700, 500)
        .handle({

            mousemove: function(ev) {
                if (this.pressed)
                {
                    var lastpoly = pts[pts.length - 1];
                    lastpoly.push(ev.x); 
                    lastpoly.push(ev.y);
                    if (lastpoly.length > 3)
                        this.gc.polyLine(lastpoly.slice(-4));
                }
            },

            mousedown: function(ev) {
                if (ev.keycode == 1) { // left button                    
                    this.pressed = true;
                    pts.push([]);    // start next polyline
            }            
            },

            mouseup: function(ev) {
                if (ev.keycode == 1) // left button
                   this.pressed = false;
            },

            expose: function(ev) {        
                for (var i=0; i < pts.length ; ++i)
                    this.gc.polyLine(pts[i]);
            }

        })
       .map()
       .title = 'Hello, world!';
});

Screenshots

tetris game XRENDER gradients

Protocol documentation

Other implementations

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