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XC-MISC extension

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This commit is contained in:
Andrey Sidorov 2012-05-31 11:06:46 +10:00
parent b0931f1feb
commit f40eb4e3d2
2 changed files with 87 additions and 0 deletions
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68
lib/x11/ext/xc-misc.js Normal file
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// http://www.x.org/releases/X11R7.6/doc/xcmiscproto/xc-misc.pdf
var x11 = require('..');
// TODO: move to templates
exports.requireExt = function(display, callback)
{
var X = display.client;
X.QueryExtension('XC-MISC', function(err, ext) {
if (!ext.present)
callback(new Error('extension not available'));
ext.QueryVersion = function(clientMaj, clientMin, cb)
{
X.seq_num++;
X.pack_stream.pack('CCSSS', [ext.majorOpcode, 0, 2, clientMaj, clientMin]);
X.replies[X.seq_num] = [
function(buf, opt) {
var res = buf.unpack('SS');
return res;
},
cb
];
X.pack_stream.flush();
}
ext.GetXIDRange = function(cb)
{
X.seq_num++;
X.pack_stream.pack('CCS', [ext.majorOpcode, 1, 1]);
X.replies[X.seq_num] = [
function(buf, opt) {
var res = buf.unpack('LL');
return {
startId: res[0],
count: res[1]
};
},
cb
];
X.pack_stream.flush();
}
ext.GetXIDList = function( count, cb )
{
X.seq_num++;
X.pack_stream.pack('CCSL', [ext.majorOpcode, 2, 2, count]);
X.replies[X.seq_num] = [
function(buf, opt) {
var numIds = buf.unpack('L')[0];
var res = [];
for (var i = 0; i < numIds; ++i)
res.push(buf.unpack('L', 24+i*4));
return res;
},
cb
];
X.pack_stream.flush();
}
ext.QueryVersion(1, 1, function(err, vers) {
ext.major = vers[0];
ext.minor = vers[1];
callback(ext);
});
});
}

19
test/xcmisc.js Normal file
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var x11 = require('../lib/x11');
x11.createClient(function(display) {
var X = display.client;
var root = display.screen[0].root;
X.require('xc-misc', function(Misc) {
var xid = X.AllocID();
console.log("first ID from connection: " + xid);
debugger;
Misc.GetXIDRange(function(err, range) {
console.log("ID range from GetIDRange: [start:" + range.startId + ", count: " + range.count + "]");
});
Misc.GetXIDList(100, function(err, list) {
console.log("ID list from GetIDList(100) : " + list);
});
});
X.on('error', function(err) { console.log("Error", err); });
});