/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. SPDX-FileCopyrightText: 2016 Martin Gräßlin SPDX-License-Identifier: GPL-2.0-or-later *********************************************************************/ #include #include #include #include #include class Window : public QRasterWindow { Q_OBJECT public: explicit Window(); ~Window() override; protected: void paintEvent(QPaintEvent *event) override; void focusInEvent(QFocusEvent *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::red); } void Window::focusInEvent(QFocusEvent *event) { QRasterWindow::focusInEvent(event); // TODO: make it work without singleshot QTimer::singleShot(100,[] { qApp->clipboard()->setText(QStringLiteral("test")); }); } int main(int argc, char *argv[]) { QGuiApplication app(argc, argv); QScopedPointer w(new Window); w->setGeometry(QRect(0, 0, 100, 200)); w->show(); return app.exec(); } #include "copy.moc"