var x11 = require('../../lib'); x11.createClient(function(err, display) { var X = display.client; var id = parseInt(process.argv[2]); var root = display.screen[0].root; X.SetSelectionOwner(root, X.atoms.PRIMARY); X.GetSelectionOwner(X.atoms.PRIMARY, function(err, win) { console.log(err, win, root); }); X.on('event', console.log); X.on('error', console.error); });