101 lines
2.8 KiB
JavaScript
101 lines
2.8 KiB
JavaScript
// http://www.x.org/releases/X11R7.6/doc/damageproto/damageproto.txt
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var x11 = Require('x11/core/x11');
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// TODO: move to templates
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exports.requireExt = function(display, callback)
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{
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var X = display.client;
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X.QueryExtension('DAMAGE', function(err, ext) {
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if (!ext.present)
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return callback(new Error('extension not available'));
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ext.ReportLevel = {
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RawRectangles: 0,
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DeltaRectangles: 1,
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BoundingBox: 2,
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NonEmpty: 3
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};
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ext.QueryVersion = function(clientMaj, clientMin, callback)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 0, 3, clientMaj, clientMin]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var res = buf.unpack('LL');
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return res;
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},
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callback
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];
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X.pack_stream.flush();
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}
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ext.Create = function( damage, drawable, reportlevel )
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLLCxxx', [ext.majorOpcode, 1, 4, damage, drawable, reportlevel]);
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X.pack_stream.flush();
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}
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ext.Destroy = function( damage )
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 2, 3, damage]);
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X.pack_stream.flush();
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}
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ext.Subtract = function(damage, repair, parts)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLLL', [ext.majorOpcode, 3, 4, damage, repair, parts]);
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X.pack_stream.flush();
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}
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ext.Add = function(damage, region)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 4, 3, damage, region]);
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X.pack_stream.flush();
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}
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ext.QueryVersion(1, 1, function(err, vers) {
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if (err)
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return callback(err);
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ext.major = vers[0];
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ext.minor = vers[1];
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callback(null, ext);
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});
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ext.events = {
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DamageNotify: 0
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}
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X.eventParsers[ext.firstEvent + ext.events.DamageNotify] = function(type, seq, extra, code, raw)
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{
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var event = {};
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event.level = code;
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event.seq = seq;
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event.drawable = extra;
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var values = raw.unpack('LLssSSssSS');
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event.damage = values[0];
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event.time = values[1];
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event.area = {
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x: values[2],
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y: values[3],
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w: values[4],
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h: values[5]
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};
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event.geometry = {
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x: values[6],
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y: values[7],
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w: values[8],
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h: values[9]
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};
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event.name = 'DamageNotify';
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return event;
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};
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});
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}
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