/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2016 Martin Gräßlin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #include #include #include #include #include int main(int argc, char *argv[]) { qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("wayland")); QApplication app(argc, argv); QWidget w; w.setGeometry(QRect(0, 0, 100, 200)); w.show(); //after showing the window block the main thread //1 as we want it to come after the singleshots in qApp construction QTimer::singleShot(1, []() { //block while(true) { sleep(100000); } }); return app.exec(); }