mirror of
https://github.com/Ylianst/MeshCentral.git
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313 lines
14 KiB
JavaScript
313 lines
14 KiB
JavaScript
/*
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Copyright 2018 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var promise = require('promise');
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var PPosition = 4;
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var PSize = 8;
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var _NET_WM_STATE_REMOVE = 0; // remove/unset property
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var _NET_WM_STATE_ADD = 1; // add/set property
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var _NET_WM_STATE_TOGGLE = 2; // toggle property
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var SubstructureRedirectMask = (1 << 20);
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var SubstructureNotifyMask = (1 << 19);
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function getLibInfo(libname)
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{
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if (process.platform != 'linux') { throw ('Only supported on linux'); }
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = '';
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child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
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child.stdin.write("ldconfig -p | grep '" + libname + ".so.'\nexit\n");
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child.waitExit();
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var v = [];
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var lines = child.stdout.str.split('\n');
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for (var i in lines) {
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if (lines[i]) {
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var info = lines[i].split('=>');
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var pth = info[1].trim();
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var libinfo = info[0].trim().split(' ');
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var lib = libinfo[0];
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var plat = libinfo[1].substring(1, libinfo[1].length - 1).split(',');
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if (lib.startsWith(libname + '.so.')) {
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v.push({ lib: lib, path: pth, info: plat });
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}
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}
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}
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return (v);
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}
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function monitorinfo()
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{
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this._ObjectID = 'monitor-info';
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this._gm = require('_GenericMarshal');
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if (process.platform == 'win32')
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{
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this._user32 = this._gm.CreateNativeProxy('user32.dll');
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this._user32.CreateMethod('EnumDisplayMonitors');
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this._kernel32 = this._gm.CreateNativeProxy('kernel32.dll');
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this._kernel32.CreateMethod('GetLastError');
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this.getInfo = function getInfo()
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{
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var info = this;
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return (new promise(function (resolver, rejector) {
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this._monitorinfo = { resolver: resolver, rejector: rejector, self: info, callback: info._gm.GetGenericGlobalCallback(4) };
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this._monitorinfo.callback.info = this._monitorinfo;
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this._monitorinfo.dwData = info._gm.ObjectToPtr(this._monitorinfo);
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this._monitorinfo.callback.results = [];
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this._monitorinfo.callback.on('GlobalCallback', function OnMonitorInfo(hmon, hdc, r, user) {
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if (this.ObjectToPtr_Verify(this.info, user)) {
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var rb = r.Deref(0, 16).toBuffer();
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this.results.push({ left: rb.readInt32LE(0), top: rb.readInt32LE(4), right: rb.readInt32LE(8), bottom: rb.readInt32LE(12) });
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var r = this.info.self._gm.CreateInteger();
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r.Val = 1;
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return (r);
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}
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});
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if (info._user32.EnumDisplayMonitors(0, 0, this._monitorinfo.callback, this._monitorinfo.dwData).Val == 0) {
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rejector('LastError=' + info._kernel32.GetLastError().Val);
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return;
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}
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else {
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resolver(this._monitorinfo.callback.results);
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}
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}));
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}
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}
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else if(process.platform == 'linux')
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{
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// First thing we need to do, is determine where the X11 libraries are
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var askOS = false;
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try
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{
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if (require('user-sessions').isRoot()) { askOS = true; }
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}
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catch (e)
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{ }
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if (askOS)
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{
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// Sufficient access rights to use ldconfig
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var x11info = getLibInfo('libX11');
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var xtstinfo = getLibInfo('libXtst');
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var xextinfo = getLibInfo('libXext');
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var ix;
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for(ix in x11info)
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{
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try
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{
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this._gm.CreateNativeProxy(x11info[ix].path);
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Object.defineProperty(this, 'Location_X11LIB', { value: x11info[ix].path });
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break;
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}
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catch(ex)
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{
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}
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}
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for (ix in xtstinfo)
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{
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try
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{
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this._gm.CreateNativeProxy(xtstinfo[ix].path);
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Object.defineProperty(this, 'Location_X11TST', { value: xtstinfo[ix].path });
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break;
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}
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catch (ex)
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{
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}
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}
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for (ix in xextinfo)
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{
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try
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{
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this._gm.CreateNativeProxy(xextinfo[ix].path);
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Object.defineProperty(this, 'Location_X11EXT', { value: xextinfo[ix].path });
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break;
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}
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catch (ex)
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{
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}
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}
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}
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else
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{
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// Not enough access rights to use ldconfig, so manually search
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var fs = require('fs');
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var files = fs.readdirSync('/usr/lib');
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var files2;
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for (var i in files) {
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try {
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if (files[i].split('libX11.so.').length > 1 && files[i].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11LIB', { value: '/usr/lib/' + files[i] });
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}
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if (files[i].split('libXtst.so.').length > 1 && files[i].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11TST', { value: '/usr/lib/' + files[i] });
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}
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if (files[i].split('libXext.so.').length > 1 && files[i].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11EXT', { value: '/usr/lib/' + files[i] });
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}
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if (files[i].split('-linux-').length > 1) {
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files2 = fs.readdirSync('/usr/lib/' + files[i]);
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for (j in files2) {
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if (files2[j].split('libX11.so.').length > 1 && files2[j].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11LIB', { value: '/usr/lib/' + files[i] + '/' + files2[j] });
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}
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if (files2[j].split('libXtst.so.').length > 1 && files2[j].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11TST', { value: '/usr/lib/' + files[i] + '/' + files2[j] });
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}
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if (files2[j].split('libXext.so.').length > 1 && files2[j].split('.').length == 3) {
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Object.defineProperty(this, 'Location_X11EXT', { value: '/usr/lib/' + files[i] + '/' + files2[j] });
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}
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}
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}
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} catch (ex) { }
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}
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}
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Object.defineProperty(this, 'kvm_x11_support', { value: (this.Location_X11LIB && this.Location_X11TST && this.Location_X11EXT)?true:false });
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if (this.Location_X11LIB)
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{
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this._X11 = this._gm.CreateNativeProxy(this.Location_X11LIB);
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this._X11.CreateMethod('XChangeProperty');
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this._X11.CreateMethod('XCloseDisplay');
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this._X11.CreateMethod('XConnectionNumber');
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this._X11.CreateMethod('XConvertSelection');
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this._X11.CreateMethod('XCreateGC');
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this._X11.CreateMethod('XCreateWindow');
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this._X11.CreateMethod('XCreateSimpleWindow');
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this._X11.CreateMethod('XDefaultColormap');
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this._X11.CreateMethod('XDefaultScreen');
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this._X11.CreateMethod('XDestroyWindow');
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this._X11.CreateMethod('XDrawLine');
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this._X11.CreateMethod('XDisplayHeight');
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this._X11.CreateMethod('XDisplayWidth');
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this._X11.CreateMethod('XFetchName');
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this._X11.CreateMethod('XFlush');
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this._X11.CreateMethod('XFree');
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this._X11.CreateMethod('XCreateGC');
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this._X11.CreateMethod('XGetWindowProperty');
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this._X11.CreateMethod('XInternAtom');
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this._X11.CreateMethod('XMapWindow');
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this._X11.CreateMethod({ method: 'XNextEvent', threadDispatch: true });
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this._X11.CreateMethod({ method: 'XNextEvent', newName: 'XNextEventSync' });
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this._X11.CreateMethod('XOpenDisplay');
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this._X11.CreateMethod('XPending');
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this._X11.CreateMethod('XRootWindow');
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this._X11.CreateMethod('XSelectInput');
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this._X11.CreateMethod('XScreenCount');
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this._X11.CreateMethod('XScreenOfDisplay');
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this._X11.CreateMethod('XSelectInput');
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this._X11.CreateMethod('XSendEvent');
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this._X11.CreateMethod('XSetForeground');
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this._X11.CreateMethod('XSetFunction');
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this._X11.CreateMethod('XSetLineAttributes');
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this._X11.CreateMethod('XSetNormalHints');
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this._X11.CreateMethod('XSetSubwindowMode');
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this._X11.CreateMethod('XSync');
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this._X11.CreateMethod('XBlackPixel');
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this._X11.CreateMethod('XWhitePixel');
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}
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this.isUnity = function isUnity()
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{
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return (process.env['XDG_CURRENT_DESKTOP'] == 'Unity');
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}
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this.unDecorateWindow = function unDecorateWindow(display, window)
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{
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var MwmHints = this._gm.CreateVariable(40);
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var mwmHintsProperty = this._X11.XInternAtom(display, this._gm.CreateVariable('_MOTIF_WM_HINTS'), 0);
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MwmHints.Deref(0, 4).toBuffer().writeUInt32LE(1 << 1);
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this._X11.XChangeProperty(display, window, mwmHintsProperty, mwmHintsProperty, 32, 0, MwmHints, 5);
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}
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this.setWindowSizeHints = function setWindowSizeHints(display, window, x, y, width, height)
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{
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var sizeHints = this._gm.CreateVariable(80);
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sizeHints.Deref(0, 4).toBuffer().writeUInt32LE(PPosition | PSize);
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sizeHints.Deref(8, 4).toBuffer().writeUInt32LE(x);
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sizeHints.Deref(12, 4).toBuffer().writeUInt32LE(y);
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sizeHints.Deref(16, 4).toBuffer().writeUInt32LE(width);
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sizeHints.Deref(20, 4).toBuffer().writeUInt32LE(height);
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this._X11.XSetNormalHints(display, window, sizeHints);
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}
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this.setAlwaysOnTop = function setAlwaysOnTop(display, rootWindow, window)
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{
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var wmNetWmState = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE'), 1);
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var wmStateAbove = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE_ABOVE'), 1);
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var xclient = this._gm.CreateVariable(96);
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xclient.Deref(0, 4).toBuffer().writeUInt32LE(33); // ClientMessage type
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xclient.Deref(48, 4).toBuffer().writeUInt32LE(32); // Format 32
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wmNetWmState.pointerBuffer().copy(xclient.Deref(40, 8).toBuffer()); // message_type
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xclient.Deref(56, 8).toBuffer().writeUInt32LE(_NET_WM_STATE_ADD); // data.l[0]
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wmStateAbove.pointerBuffer().copy(xclient.Deref(64, 8).toBuffer()); // data.l[1]
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window.pointerBuffer().copy(xclient.Deref(32, 8).toBuffer()); // window
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this._X11.XSendEvent(display, rootWindow, 0, SubstructureRedirectMask | SubstructureNotifyMask, xclient);
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}
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this.hideWindowIcon = function hideWindowIcon(display, rootWindow, window)
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{
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var wmNetWmState = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE'), 1);
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var wmStateSkip = this._X11.XInternAtom(display, this._gm.CreateVariable('_NET_WM_STATE_SKIP_TASKBAR'), 1);
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var xclient = this._gm.CreateVariable(96);
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xclient.Deref(0, 4).toBuffer().writeUInt32LE(33); // ClientMessage type
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xclient.Deref(48, 4).toBuffer().writeUInt32LE(32); // Format 32
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wmNetWmState.pointerBuffer().copy(xclient.Deref(40, 8).toBuffer()); // message_type
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xclient.Deref(56, 8).toBuffer().writeUInt32LE(_NET_WM_STATE_ADD); // data.l[0]
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wmStateSkip.pointerBuffer().copy(xclient.Deref(64, 8).toBuffer()); // data.l[1]
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window.pointerBuffer().copy(xclient.Deref(32, 8).toBuffer()); // window
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this._X11.XSendEvent(display, rootWindow, 0, SubstructureRedirectMask | SubstructureNotifyMask, xclient);
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}
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this.getInfo = function getInfo()
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{
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var info = this;
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return (new promise(function (resolver, rejector)
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{
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var display = info._X11.XOpenDisplay(info._gm.CreateVariable(':0'));
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var screenCount = info._X11.XScreenCount(display).Val;
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var ret = [];
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for(var i=0;i<screenCount;++i)
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{
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var screen = info._X11.XScreenOfDisplay(display, i);
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ret.push({ left: 0, top: 0, right: info._X11.XDisplayWidth(display, i).Val, bottom: info._X11.XDisplayHeight(display, i).Val, screen: screen, screenId: i, display: display });
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}
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resolver(ret);
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}));
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}
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}
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else
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{
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throw (process.platform + ' not supported');
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}
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}
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module.exports = new monitorinfo();
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