jam/js/x11/core/ext/fixes.js

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2025-07-21 23:03:34 +02:00
// http://www.x.org/releases/X11R7.6/doc/fixesproto/fixesproto.txt
var x11 = Require('x11/core/x11');
// TODO: move to templates
function parse_rectangle(buf, pos) {
if (!pos) {
pos = 0;
}
return {
x : buf[pos],
y : buf[pos + 1],
width : buf[pos + 2],
height : buf[pos + 3]
}
}
exports.requireExt = function(display, callback)
{
var X = display.client;
X.QueryExtension('XFIXES', function(err, ext) {
if (!ext.present)
return callback(new Error('extension not available'));
ext.QueryVersion = function(clientMaj, clientMin, callback)
{
X.seq_num++;
X.pack_stream.pack('CCSLL', [ext.majorOpcode, 0, 3, clientMaj, clientMin]);
X.replies[X.seq_num] = [
function(buf, opt) {
var res = buf.unpack('LL');
return res;
},
callback
];
X.pack_stream.flush();
}
ext.SaveSetMode = { Insert: 0, Delete: 1 };
ext.SaveSetTarget = { Nearest: 0, Root: 1 };
ext.SaveSetMap = { Map: 0, Unmap: 1 };
ext.ChangeSaveSet = function(window, mode, target, map) {
X.seq_num++;
X.pack_stream.pack('CCSCCxL', [ext.majorOpcode, 1, 3, mode, target, map]);
X.pack_stream.flush();
};
ext.WindowRegionKind = {
Bounding : 0,
Clip : 1
};
ext.CreateRegion = function(region, rects) {
X.seq_num ++;
var format = 'CCSL';
format += Array(rects.length + 1).join('ssSS');
var args = [ ext.majorOpcode, 5, 2 + (rects.length << 1), region ];
rects.forEach(function(rect) {
args.push(rect.x);
args.push(rect.y);
args.push(rect.width);
args.push(rect.height);
});
X.pack_stream.pack(format, args);
X.pack_stream.flush();
}
ext.CreateRegionFromWindow = function(region, wid, kind) {
X.seq_num ++;
X.pack_stream.pack('CCSLLCxxx', [ ext.majorOpcode, 7, 4, region, wid, kind ]);
X.pack_stream.flush();
}
ext.DestroyRegion = function(region) {
X.seq_num ++;
X.pack_stream.pack('CCSL', [ ext.majorOpcode, 10, 2, region ]);
X.pack_stream.flush();
}
ext.UnionRegion = function(src1, src2, dst) {
X.seq_num ++;
X.pack_stream.pack('CCSLLL', [ ext.majorOpcode, 13, 4, src1, src2, dst ]);
X.pack_stream.flush();
}
ext.TranslateRegion = function(region, dx, dy) {
X.seq_num ++;
X.pack_stream.pack('CCSLss', [ ext.majorOpcode, 17, 3, region, dx, dy ]);
X.pack_stream.flush();
}
ext.FetchRegion = function(region, cb) {
X.seq_num ++;
X.pack_stream.pack('CCSL', [ ext.majorOpcode, 19, 2, region ]);
X.replies[X.seq_num] = [
function(buf, opt) {
var n_rectangles = (buf.length - 24) >> 3;
var format = 'ssSSxxxxxxxxxxxxxxxx';
format += Array(n_rectangles + 1).join('ssSS');
var res = buf.unpack(format);
var reg = {
extents : parse_rectangle(res),
rectangles : []
};
for (var i = 0; i < n_rectangles; ++ i) {
reg.rectangles.push(parse_rectangle(res, 4 + (i << 2)));
}
return reg;
},
cb
];
X.pack_stream.flush();
}
ext.QueryVersion(5, 0, function(err, vers) {
if (err)
return callback(err);
ext.major = vers[0];
ext.minor = vers[1];
callback(null, ext);
});
ext.events = {
DamageNotify: 0
}
X.eventParsers[ext.firstEvent + ext.events.DamageNotify] = function(type, seq, extra, code, raw)
{
var event = {};
event.level = code;
event.seq = seq;
event.drawable = extra;
var values = raw.unpack('LLssSSssSS');
event.damage = values[0];
event.time = values[1];
event.area = {
x: values[2],
y: values[3],
w: values[4],
h: values[5]
};
event.geometry = {
x: values[6],
y: values[7],
w: values[8],
h: values[9]
};
event.name = 'DamageNotify';
return event;
};
});
}