/******************************************************************** 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 class Window : public QRasterWindow { Q_OBJECT public: explicit Window(); ~Window() override; protected: void paintEvent(QPaintEvent *event) override; }; Window::Window() : QRasterWindow() { } Window::~Window() = default; void Window::paintEvent(QPaintEvent *event) { Q_UNUSED(event) QPainter p(this); p.fillRect(0, 0, width(), height(), Qt::blue); } int main(int argc, char *argv[]) { QGuiApplication app(argc, argv); QObject::connect(app.clipboard(), &QClipboard::changed, &app, [] { if (qApp->clipboard()->text() == QLatin1String("test")) { QTimer::singleShot(100, qApp, &QCoreApplication::quit); } } ); QScopedPointer w(new Window); w->setGeometry(QRect(0, 0, 100, 200)); w->show(); return app.exec(); } #include "paste.moc"