110 lines
3.0 KiB
JavaScript
110 lines
3.0 KiB
JavaScript
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// http://www.x.org/releases/X11R7.6/doc/scrnsaverproto/saver.pdf
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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('MIT-SCREEN-SAVER', 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.QueryVersion = function(clientMaj, clientMin, cb)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSCCxx', [ext.majorOpcode, 0, 2, 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('CC');
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return res;
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},
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cb
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];
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X.pack_stream.flush();
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}
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ext.State = {
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Off: 0,
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On: 1,
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Disabled: 2
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};
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ext.Kind = {
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Blanked: 0,
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Internal: 1,
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External: 2
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};
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ext.QueryInfo = function(drawable, callback)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 1, 2, drawable]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var info = {};
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info.state = opt;
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var res = buf.unpack('LLLLC');
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info.window = res[0];
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info.until = res[1];
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info.idle = res[2];
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info.eventMask = res[3];
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info.kind = res[4]
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return info;
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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.eventMask = {
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Notify: 1,
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Cycle: 2
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};
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ext.SelectInput = function( drawable, eventMask )
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{
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X.seq_num++;
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console.log('CCSLL', [ext.majorOpcode, 2, 3, drawable, eventMask]);
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 2, 3, drawable, eventMask]);
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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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ScreenSaverNotify: 0
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}
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ext.NotifyState = {
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Off: 0,
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On: 1,
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Cycle: 2
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}
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X.eventParsers[ext.firstEvent + ext.events.ScreenSaverNotify] = function(type, seq, extra, code, raw)
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{
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var event = {};
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event.state = code;
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event.seq = seq;
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event.time = extra;
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// CCSL = type, code, seq, extra
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var values = raw.unpack('LLCC');
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event.root = values[0];
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event.saverWindow = values[1];
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event.kind = values[2];
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event.forced = values[1];
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event.name = 'ScreenSaverNotify';
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return event;
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};
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});
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}
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