308 lines
10 KiB
JavaScript
308 lines
10 KiB
JavaScript
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// http://www.x.org/releases/X11R7.6/doc/randrproto/randrproto.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('RANDR', 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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//};
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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.events = {
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RRScreenChangeNotify: 0
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},
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ext.NotifyMask = {
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ScreenChange: 1,
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CrtcChange: 2,
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OutputChange: 4,
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OutputProperty: 8,
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All: 15
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};
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ext.Rotation = {
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Rotate_0: 1,
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Rotate_90: 2,
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Rotate_180: 4,
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Rotate_270: 8,
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Reflect_X: 16,
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Reflect_Y: 32
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};
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ext.ConfigStatus = {
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Sucess: 0,
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InvalidConfigTime: 1,
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InvalidTime: 2,
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Failed: 3
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};
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ext.ModeFlag = {
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HSyncPositive: 1,
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HSyncNegative: 2,
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VSyncPositive: 4,
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VSyncNegative: 8,
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Interlace: 16,
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DoubleScan: 32,
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CSync: 64,
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CSyncPositive: 128,
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CSyncNegative: 256,
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HSkewPresent: 512,
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BCast: 1024,
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PixelMultiplex: 2048,
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DoubleClock: 4096,
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ClockDivideBy2: 8192
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}
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ext.SetScreenConfig = function(win, ts, configTs, sizeId, rotation, rate, cb) {
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X.seq_num ++;
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X.pack_stream.pack('CCSLLLSSSS', [ext.majorOpcode, 2, 6, win, ts, configTs, sizeId, rotation, rate, 0]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var res = buf.unpack('LLLSSLL');
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return {
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status : opt,
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newTs : res [0],
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configTs : res[1],
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root : res[2],
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subpixelOrder : res[3]
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}
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},
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function(err, res) {
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var err;
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if (res.status !== 0) {
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err = new Error('SetScreenConfig error');
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err.code = res.status;
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}
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cb(err, res);
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}
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];
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X.pack_stream.flush();
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},
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ext.SelectInput = function(win, mask)
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{
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X.seq_num++;
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X.pack_stream.pack('CCSLSS', [ext.majorOpcode, 4, 3, win, mask, 0]);
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X.pack_stream.flush();
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},
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ext.GetScreenInfo = function(win, cb) {
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X.seq_num ++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 5, 2, win]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var i, j;
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var res = buf.unpack('LLLSSSSSS');
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var info = {
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rotations : opt,
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root : res [0],
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timestamp : res[1],
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config_timestamp : res[2],
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sizeID : res[4],
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rotation : res[5],
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rate : res[6],
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rates: []
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};
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var nSizes = res[3];
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var nRates = res[7];
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var screens_len = nSizes << 2;
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var format = Array(screens_len + 1).join('S');
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res = buf.unpack(format, 24);
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info.screens = [];
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for (i = 0; i < screens_len; i += 4) {
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info.screens.push({
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px_width : res[i],
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px_height : res[i + 1],
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mm_width : res[i + 2],
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mm_height : res[i + 3]
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});
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}
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format = Array(nRates + 1).join('S');
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info.rates = buf.unpack(format, 24 + screens_len * 2);
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return info;
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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.GetScreenResources = function(win, cb)
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{
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X.seq_num ++;
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X.pack_stream.pack('CCSL', [ext.majorOpcode, 8, 2, win]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var i;
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var pos = 0;
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var res = buf.unpack('LLSSSSxxxxxxxx');
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var resources = {
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timestamp : res[0],
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config_timestamp : res[1],
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modeinfos : []
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};
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pos += 24;
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var format = Array(res[2] + 1).join('L');
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resources.crtcs = buf.unpack(format, pos);
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pos += res[2] << 2;
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format = Array(res[3] + 1).join('L');
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resources.outputs = buf.unpack(format, pos);
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pos += res[3] << 2;
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format = Array(res[4] + 1).join('LSSLSSSSSSSSL');
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res_modes = buf.unpack(format, pos);
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pos += res[4] << 5;
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for (i = 0; i < res[4]; i+= 13) {
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resources.modeinfos.push({
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id : res_modes[i + 0],
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width : res_modes[i + 1],
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height : res_modes[i + 2],
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dot_clock : res_modes[i + 3],
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h_sync_start : res_modes[i + 4],
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h_sync_end : res_modes[i + 5],
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h_total : res_modes[i + 6],
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h_skew : res_modes[i + 7],
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v_sync_start : res_modes[i + 8],
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v_sync_end : res_modes[i + 9],
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v_total : res_modes[i + 10],
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modeflags : res_modes[i + 12],
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name : buf.slice(pos, pos + res_modes[i + 11]).toString()
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});
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pos += res_modes[i + 11];
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}
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return resources;
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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.GetOutputInfo = function(output, ts, cb)
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{
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X.seq_num ++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 9, 3, output, ts ]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var i;
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var pos = 0;
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var res = buf.unpack('LLLLCCSSSSS');
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var info = {
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timestamp : res[0],
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crtc : res[1],
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mm_width : res[2],
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mm_height : res[3],
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connection : res[4],
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subpixelOrder : res[5],
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preferredModes: res[8]
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};
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pos += 28;
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var format = Array(res[6] + 1).join('L');
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info.crtcs = buf.unpack(format, pos);
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pos += res[6] << 2;
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format = Array(res[7] + 1).join('L');
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info.modes = buf.unpack(format, pos);
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pos += res[7] << 2;
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format = Array(res[9] + 1).join('L');
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info.clones = buf.unpack(format, pos);
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pos += res[9] << 2;
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info.name = buf.slice(pos, pos + res_modes[10]).toString('binary');
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return info;
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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.GetCrtcInfo = function(crtc, configTs, cb) {
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X.seq_num ++;
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X.pack_stream.pack('CCSLL', [ext.majorOpcode, 20, 3, crtc, configTs ]);
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X.replies[X.seq_num] = [
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function(buf, opt) {
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var pos = 0;
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var res = buf.unpack('LssSSLSSSS');
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var info = {
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status : opt,
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timestamp : res[0],
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x : res[1],
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y : res[2],
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width : res[3],
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height : res[4],
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mode : res[5],
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rotation : res[6],
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rotations : res[7]
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};
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pos += 24;
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var format = Array(res[8] + 1).join('L');
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info.output = buf.unpack(format, pos);
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format = Array(res[9] + 1).join('L');
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info.possible = buf.unpack(format, pos);
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return info;
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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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X.eventParsers[ext.firstEvent + ext.events.RRScreenChangeNotify] = function(type, seq, extra, code, raw)
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{
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var event = {};
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event.raw = raw;
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event.type = type
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event.seq = seq;
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event.rotation = code;
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var values = raw.unpack('LLLSSSSSS');
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event.time = extra
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event.configtime = values[0];
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event.root = values[1];
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event.requestWindow = values[2];
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event.sizeId = values[3];
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event.subpixelOrder = values[4];
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event.width = values[5];
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event.height = values[6];
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event.physWidth = values[7];
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event.physHeight = values[8];
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event.name = 'RRScreenChangeNotify';
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return event;
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};
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ext.QueryVersion(255, 255, function(err, version) {
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if (err) return callback(err);
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ext.major_version = version[0];
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ext.minor_version = version[1];
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callback(null, ext);
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});
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});
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}
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