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Mon 21 Jul 22:43:21 CEST 2025

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sbosse 2025-07-21 23:03:15 +02:00
parent 5a321d46dc
commit 3ecca6d634
1 changed files with 117 additions and 0 deletions
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js/x11/core/ext/composite.js Normal file
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// /usr/share/doc/x11proto-composite-dev/compositeproto.txt.gz
// http://cgit.freedesktop.org/xorg/proto/compositeproto/plain/compositeproto.txt
//
// /usr/include/X11/extensions/Xcomposite.h Xlib
// /usr/include/X11/extensions/composite.h constants
// /usr/include/X11/extensions/compositeproto.h structs
//
// http://ktown.kde.org/~fredrik/composite_howto.html
//
// server side source:
// http://cgit.freedesktop.org/xorg/xserver/tree/composite/compext.c
//
var x11 = Require('x11/core/x11');
// TODO: move to templates
exports.requireExt = function(display, callback)
{
var X = display.client;
X.QueryExtension('Composite', function(err, ext) {
if (!ext.present)
return callback(new Error('extension not available'));
ext.Redirect = {
Automatic: 0,
Manual: 1
};
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.RedirectWindow = function( window, updateType )
{
X.seq_num++;
X.pack_stream.pack('CCSLCxxx', [ext.majorOpcode, 1, 3, window, updateType]);
X.pack_stream.flush();
}
ext.RedirectSubwindows = function( window, updateType )
{
X.seq_num++;
X.pack_stream.pack('CCSLCxxx', [ext.majorOpcode, 2, 3, window, updateType]);
X.pack_stream.flush();
}
ext.UnredirectWindow = function(window)
{
X.seq_num++;
X.pack_stream.pack('CCSL', [ext.majorOpcode, 3, 2, window]);
X.pack_stream.flush();
}
ext.UnredirectSubwindows = function(window)
{
X.seq_num++;
X.pack_stream.pack('CCSL', [ext.majorOpcode, 4, 2, window]);
X.pack_stream.flush();
}
ext.CreateRegionFromBorderClip = function(region, window)
{
X.seq_num++;
X.pack_stream.pack('CCSLL', [ext.majorOpcode, 5, 3, damage, region]);
X.pack_stream.flush();
}
ext.NameWindowPixmap = function(window, pixmap)
{
X.seq_num++;
X.pack_stream.pack('CCSLL', [ext.majorOpcode, 6, 3, window, pixmap]);
X.pack_stream.flush();
}
ext.GetOverlayWindow = function(window, callback)
{
X.seq_num++;
X.pack_stream.pack('CCSL', [ext.majorOpcode, 7, 2, window]);
X.replies[X.seq_num] = [
function(buf, opt) {
var res = buf.unpack('L');
return res[0];
},
callback
];
X.pack_stream.flush();
}
ext.ReleaseOverlayWindow = function(window)
{
X.seq_num++;
X.pack_stream.pack('CCSL', [ext.majorOpcode, 8, 2, window]);
X.pack_stream.flush();
}
// currently version 0.4 TODO: bump up with coordinate translations
ext.QueryVersion(0, 4, function(err, vers) {
if (err)
return callback(err);
ext.major = vers[0];
ext.minor = vers[1];
callback(null, ext);
});
});
}