103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
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// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QtGui>
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#include "../../shared/nativewindow.h"
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#include <QDebug>
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class TestWindow : public QRasterWindow
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{
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public:
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using QRasterWindow::QRasterWindow;
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TestWindow(const QBrush &brush) : m_brush(brush) {}
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protected:
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void mousePressEvent(QMouseEvent *) override
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{
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m_pressed = true;
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update();
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}
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void mouseReleaseEvent(QMouseEvent *) override
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{
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m_pressed = false;
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update();
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}
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void paintEvent(QPaintEvent *event) override
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{
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QPainter painter(this);
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painter.setCompositionMode(QPainter::CompositionMode_Source);
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painter.fillRect(event->rect(), m_pressed ? QGradient(QGradient::JuicyPeach) : m_brush);
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}
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private:
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QBrush m_brush = QGradient(QGradient::DustyGrass);
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bool m_pressed = false;
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};
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int main(int argc, char *argv[])
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{
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QGuiApplication app(argc, argv);
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TestWindow window{QGradient(QGradient::WinterNeva)};
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window.resize(500, 500);
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TestWindow *opaqueChildWindow = new TestWindow;
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opaqueChildWindow->setParent(&window);
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opaqueChildWindow->setGeometry(50, 50, 100, 100);
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opaqueChildWindow->showNormal();
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TestWindow *maskedChildWindow = new TestWindow;
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maskedChildWindow->setParent(&window);
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maskedChildWindow->setGeometry(200, 50, 100, 100);
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maskedChildWindow->setMask(QRegion(0, 0, 100, 100, QRegion::Ellipse));
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maskedChildWindow->showNormal();
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static const QColor transparentGreen = QColor(0, 255, 0, 20);
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TestWindow *transparentChildWindow = new TestWindow(transparentGreen);
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// The default surface format of a platform may not include
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// an alpha, so set it explicitly.
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QSurfaceFormat format = transparentChildWindow->format();
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format.setAlphaBufferSize(8);
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transparentChildWindow->setFormat(format);
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// FIXME: Windows requires this, even for child windows
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transparentChildWindow->setFlag(Qt::FramelessWindowHint);
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transparentChildWindow->setParent(&window);
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transparentChildWindow->setGeometry(350, 50, 100, 100);
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transparentChildWindow->showNormal();
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NativeWindow nativeWindow;
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if (QWindow *foreignWindow = QWindow::fromWinId(nativeWindow)) {
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foreignWindow->setParent(&window);
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foreignWindow->setGeometry(50, 200, 100, 100);
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foreignWindow->showNormal();
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}
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NativeWindow maskedNativeWindow;
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if (QWindow *foreignWindow = QWindow::fromWinId(maskedNativeWindow)) {
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foreignWindow->setParent(&window);
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foreignWindow->setGeometry(200, 200, 100, 100);
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foreignWindow->setMask(QRegion(0, 0, 100, 100, QRegion::Ellipse));
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foreignWindow->showNormal();
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}
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NativeWindow nativeParentWindow;
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if (QWindow *foreignWindow = QWindow::fromWinId(nativeParentWindow)) {
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foreignWindow->setParent(&window);
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foreignWindow->setGeometry(50, 350, 100, 100);
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foreignWindow->showNormal();
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TestWindow *maskedChildWindowOfNativeWindow = new TestWindow;
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maskedChildWindowOfNativeWindow->setParent(foreignWindow);
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maskedChildWindowOfNativeWindow->setGeometry(25, 25, 50, 50);
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maskedChildWindowOfNativeWindow->showNormal();
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}
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window.show();
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return app.exec();
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}
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