118 lines
3.5 KiB
JavaScript
118 lines
3.5 KiB
JavaScript
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// /usr/share/doc/x11proto-composite-dev/compositeproto.txt.gz
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// http://cgit.freedesktop.org/xorg/proto/compositeproto/plain/compositeproto.txt
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//
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// /usr/include/X11/extensions/Xcomposite.h Xlib
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// /usr/include/X11/extensions/composite.h constants
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// /usr/include/X11/extensions/compositeproto.h structs
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//
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// http://ktown.kde.org/~fredrik/composite_howto.html
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//
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// server side source:
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// http://cgit.freedesktop.org/xorg/xserver/tree/composite/compext.c
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//
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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('Composite', 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.Redirect = {
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Automatic: 0,
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Manual: 1
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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.RedirectWindow = function( window, updateType )
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLCxxx', [ext.majorOpcode, 1, 3, window, updateType]);
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X.pack_stream.flush();
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}
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ext.RedirectSubwindows = function( window, updateType )
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLCxxx', [ext.majorOpcode, 2, 3, window, updateType]);
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X.pack_stream.flush();
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}
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ext.UnredirectWindow = function(window)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 3, 2, window]);
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X.pack_stream.flush();
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}
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ext.UnredirectSubwindows = function(window)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 4, 2, window]);
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X.pack_stream.flush();
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}
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ext.CreateRegionFromBorderClip = function(region, window)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 5, 3, damage, region]);
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X.pack_stream.flush();
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}
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ext.NameWindowPixmap = function(window, pixmap)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 6, 3, window, pixmap]);
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X.pack_stream.flush();
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}
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ext.GetOverlayWindow = function(window, callback)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 7, 2, window]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var res = buf.unpack('L');
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return res[0];
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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.ReleaseOverlayWindow = function(window)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 8, 2, window]);
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X.pack_stream.flush();
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}
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// currently version 0.4 TODO: bump up with coordinate translations
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ext.QueryVersion(0, 4, 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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});
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}
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