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Merge pull request #20 from santigimeno/new_create_client

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Change createClient signature
This commit is contained in:
Andrey Sidorov 2012-12-19 01:22:52 -08:00
commit 568465da52
13 changed files with 177 additions and 117 deletions
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50
README.md
View file

@ -14,35 +14,39 @@ Windows users:
# example
Core requsests usage:
Core requests 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);
});
x11.createClient(function(err, display) {
if (!err) {
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);
});
} else {
console.log(err);
}
});
# Screenshots

26
lib/x11/xcore.js
View file

@ -430,15 +430,18 @@ XClient.prototype.require = function(extName, callback)
ext.requireExt(this.display, callback);
}
module.exports.createClient = function(initCb, display, options)
module.exports.createClient = function(options, initCb)
{
if (!options)
options = false;
if (typeof options === 'function') {
initCb = options;
options = {};
}
if (!options) options = {};
var display = options.display;
if (!display)
display = process.env.DISPLAY;
if (!display)
display = ':0';
display = (process.env.DISPLAY) ? process.env.DISPLAY : ':0';
var displayMatch = display.match(/^(?:[^:]*?\/)?(.*):(\d+)(?:.(\d+))?$/);
if (!displayMatch)
@ -485,18 +488,25 @@ module.exports.createClient = function(initCb, display, options)
if (initCb)
{
client.on('connect', function(display) {
// Once connected don't call initCb on error, just emit
stream.removeListener('error', initCb);
stream.on('error', function(err) {
client.emit('error', err);
});
// opt-in BigReq
if (!options.disableBigRequests) {
client.require('big-requests', function(BigReq) {
BigReq.Enable(function(err, maxLen) {
display.max_request_length = maxLen;
initCb(display);
initCb(undefined, display);
});
});
} else {
initCb(display);
initCb(undefined, display);
}
});
stream.on('error', initCb);
}
return client;
}

6
test-runner.js
View file

@ -14,7 +14,8 @@ var mocha = new Mocha({
// 2 - dpms version is 1.1.
// 3 - to be dpms capable.
var run_dpms_test = function(cb) {
var client = x11.createClient(function(dpy) {
var client = x11.createClient(function(err, dpy) {
if (err) return cb(false);
var display = dpy;
var X = display.client;
X.require('dpms', function(ext) {
@ -42,7 +43,8 @@ var run_dpms_test = function(cb) {
};
var run_xtest_test = function(cb) {
var client = x11.createClient(function(dpy) {
var client = x11.createClient(function(err, dpy) {
if (err) return cb(false);
var display = dpy;
var X = display.client;
X.require('dpms', function(ext) {

29
test/connect.js
View file

@ -1,16 +1,22 @@
var x11 = require('../lib/x11');
var should = require('should');
var assert = require('assert');
var util = require('util');
describe('Client', function() {
var display;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
done();
client.removeListener('error', done);
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
done();
client.removeListener('error', done);
} else {
done(err);
}
});
client.on('error', done);
});
@ -26,9 +32,7 @@ describe('Client', function() {
it('uses display variable from parameter if present ignoring anvironment $DISPLAY', function(done) {
var disp = process.env.DISPLAY;
process.env.DISPLAY = 'BOGUS DISPLAY';
var client = x11.createClient(function(display) {
done();
}, disp);
var client = x11.createClient({ display : disp }, done);
client.on('error', done);
process.env.DISPLAY=disp;
});
@ -36,9 +40,9 @@ describe('Client', function() {
it('throws error if $DISPLAY is bogus', function(done) {
try {
assert.throws(function() {
var client = x11.createClient(function(display) {
var client = x11.createClient({ display : 'BOGUS DISPLAY' }, function(err, display) {
done('Should not reach here');
}, 'BOGUS DISPLAY');
});
client.on('error', function(err) { done(); });
}, /Cannot parse display/);
done();
@ -46,4 +50,11 @@ describe('Client', function() {
done();
}
});
it('returns error when connecting to non existent display', function(done) {
var client = x11.createClient({ display : ':44' }, function(err, display) {
assert(util.isError(err));
done();
});
});
});

16
test/connection-utils.js
View file

@ -6,12 +6,16 @@ describe('Client', function() {
var display;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
done();
client.removeListener('error', done);
});
client.on('error', done);
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
done();
client.removeListener('error', done);
} else {
done(err);
}
});
client.on('error', done);
});
it('should respond to ping()', function(done) {

11
test/core-CreateWindow.js
View file

@ -12,10 +12,13 @@ describe('CreateWindow request', function() {
var display;
var X;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
X = display.client;
done();
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
}
done(err);
});
client.on('error', done);
});

11
test/core-ForceScreenSaver.js
View file

@ -7,10 +7,13 @@ describe('ForceScreenSaver request', function() {
var display;
var X;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
X = display.client;
done();
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
}
done(err);
});
client.on('error', done);
});

28
test/core-KillKlient.js
View file

@ -7,13 +7,15 @@ describe('KillKlient request', function() {
var display;
var X;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
X = display.client;
done();
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
}
done(err);
});
client.on('error', function(err) {
console.log(err);
done(err);
});
});
@ -32,12 +34,16 @@ describe('KillKlient request', function() {
});
it('should terminate other client connection', function(done) {
x11.createClient(function(dpy) {
var otherclient = dpy.client;
var wnd = otherclient.AllocID();
otherclient.CreateWindow(wnd, dpy.screen[0].root, 0, 0, 1, 1);
otherclient.on('end', done);
X.KillKlient(wnd);
x11.createClient(function(err, dpy) {
if (!err) {
var otherclient = dpy.client;
var wnd = otherclient.AllocID();
otherclient.CreateWindow(wnd, dpy.screen[0].root, 0, 0, 1, 1);
otherclient.on('end', done);
X.KillKlient(wnd);
} else {
done(err);
}
});
});

18
test/core-properties.js
View file

@ -13,13 +13,17 @@ describe('Window property', function() {
var X;
var wid;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
X = display.client;
wid = X.AllocID();
X.CreateWindow(wid, display.screen[0].root, 0, 0, 100, 100, 0, 0, 0, 0, { eventMask: x11.eventMask.PropertyChange});
done();
client.removeListener('error', done); // all future errors should be attached to corresponding test 'done'
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
wid = X.AllocID();
X.CreateWindow(wid, display.screen[0].root, 0, 0, 100, 100, 0, 0, 0, 0, { eventMask: x11.eventMask.PropertyChange});
done();
client.removeListener('error', done); // all future errors should be attached to corresponding test 'done'
} else {
done(err);
}
});
client.on('error', done);
});

26
test/dpms.js
View file

@ -8,17 +8,21 @@ describe('DPMS extension', function() {
var X;
var dpms;
before(function(done) {
var client = x11.createClient(function(dpy) {
display = dpy;
X = display.client;
X.require('dpms', function(ext) {
if (util.isError(ext)) {
done(ext);
} else {
dpms = ext;
done();
}
});
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
X.require('dpms', function(ext) {
if (util.isError(ext)) {
done(ext);
} else {
dpms = ext;
done();
}
});
} else {
done(err);
}
});
client.on('error', done);

11
test/errors.js
View file

@ -6,13 +6,14 @@ describe('Client', function() {
var display;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
done();
});
var client = x11.createClient(function(err, dpy) {
console.log(err)
display = dpy;
done(err);
});
});
it('should emit error which is instance of Error with seqence number corresponding to source request', function(done) {
it('should emit error which is instance of Error with sequence number corresponding to source request', function(done) {
display.client.options.debug = true;
display.client.CreateWindow(); // should emit error
var seq = display.client.seq_num;

12
test/sequence-overflow.js
View file

@ -6,10 +6,14 @@ describe('Client', function() {
var display;
beforeEach(function(done) {
var client = x11.createClient(function(dpy) {
display=dpy;
done();
client.removeListener('error', done);
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
done();
client.removeListener('error', done);
} else {
done(err);
}
});
client.on('error', done);
});

26
test/xtest.js
View file

@ -8,17 +8,21 @@ describe('XTEST extension', function() {
var X;
var xtest;
before(function(done) {
var client = x11.createClient(function(dpy) {
display = dpy;
X = display.client;
X.require('xtest', function(ext) {
if (util.isError(ext)) {
done(ext);
} else {
xtest = ext;
done();
}
});
var client = x11.createClient(function(err, dpy) {
if (!err) {
display = dpy;
X = display.client;
X.require('xtest', function(ext) {
if (util.isError(ext)) {
done(ext);
} else {
xtest = ext;
done();
}
});
} else {
done(err);
}
});
client.on('error', done);