qt 6.5.1 original

tests/manual/wasm/rasterwindow/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+qt_internal_add_manual_test(rasterwindow
+    GUI
+    SOURCES
+        main.cpp rasterwindow.cpp
+    LIBRARIES
+        Qt::Core
+        Qt::Gui
+)

tests/manual/wasm/rasterwindow/main.cpp

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+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+#include <QtGui>
+#include "rasterwindow.h"
+
+int main(int argc, char **argv)
+{
+    QGuiApplication app(argc, argv);
+
+    RasterWindow window;
+    window.show();
+
+    return app.exec();
+}

tests/manual/wasm/rasterwindow/rasterwindow.cpp

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+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+#include "rasterwindow.h"
+
+RasterWindow::RasterWindow()
+:m_eventCount(0)
+,m_timeoutCount(0)
+,m_frameCount(0)
+,m_fps(0)
+,m_pressed(false)
+{
+    qDebug() << "RasterWindow()";
+
+    // disable alpha; saves filling the window with transparent pixels
+    QSurfaceFormat format;
+    format.setAlphaBufferSize(0);
+    setFormat(format);
+
+    QTimer *timer = new QTimer(this);
+    connect(timer, &QTimer::timeout, [this](){
+        ++m_timeoutCount;
+        m_fps = m_frameCount;
+        m_frameCount = 0;
+        update();
+    });
+    timer->start(1000);
+}
+
+void RasterWindow::paintEvent(QPaintEvent * event)
+{
+    QRect r = event->rect();
+    qDebug() << "RasterWindow::paintEvent" << r;
+
+    ++m_frameCount;
+
+    QPainter p(this);
+
+    QColor fillColor(0, 102, 153);
+    QColor fillColor2(0, 85, 123);
+
+    int tileSize = 40;
+    for (int i = -tileSize * 2; i < r.width() + tileSize * 2; i += tileSize) {
+        for (int j = -tileSize * 2; j < r.height() + tileSize * 2; j += tileSize) {
+            QRect rect(i + (m_offset.x() % tileSize * 2), j + (m_offset.y() % tileSize * 2), tileSize, tileSize);
+            int colorIndex = abs((i/tileSize - j/tileSize) % 2);
+            p.fillRect(rect, colorIndex == 0 ? fillColor : fillColor2);
+        }
+    }
+
+    QRect g = geometry();
+    QRect sg = this->screen()->geometry();
+    QString text;
+    text += QString("Window Geometry: %1 %2 %3 %4\n").arg(g.x()).arg(g.y()).arg(g.width()).arg(g.height());
+    text += QString("Window devicePixelRatio: %1\n").arg(devicePixelRatio());
+    text += QString("Screen Geometry: %1 %2 %3 %4\n").arg(sg.x()).arg(sg.y()).arg(sg.width()).arg(sg.height());
+    text += QString("Received Events: %1\n").arg(m_eventCount);
+    text += QString("Received Timers: %1\n").arg(m_timeoutCount);
+    text += QString("Frames Per Second: %1\n").arg(m_fps);
+
+    p.drawText(QRectF(0, 0, width(), height()), Qt::AlignCenter, text);
+}
+void RasterWindow::exposeEvent(QExposeEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::exposeEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::focusInEvent(QFocusEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::focusInEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::focusOutEvent(QFocusEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::focusOutEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::hideEvent(QHideEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::hideEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::keyPressEvent(QKeyEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::keyPressEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::keyReleaseEvent(QKeyEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::keyReleaseEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::mouseDoubleClickEvent(QMouseEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::mouseDoubleClickEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::mouseMoveEvent(QMouseEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::mouseMoveEvent(ev);
+    incrementEventCount();
+
+    if (m_pressed)
+        m_offset += ev->position().toPoint() - m_lastPos;
+    m_lastPos = ev->position().toPoint();
+}
+
+void RasterWindow::mousePressEvent(QMouseEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::mousePressEvent(ev);
+    incrementEventCount();
+    m_pressed = true;
+}
+
+void RasterWindow::mouseReleaseEvent(QMouseEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::mouseReleaseEvent(ev);
+    incrementEventCount();
+    m_pressed = false;
+}
+
+void RasterWindow::moveEvent(QMoveEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::moveEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::resizeEvent(QResizeEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::resizeEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::showEvent(QShowEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::showEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::tabletEvent(QTabletEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::tabletEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::touchEvent(QTouchEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::touchEvent(ev);
+    incrementEventCount();
+}
+
+void RasterWindow::wheelEvent(QWheelEvent * ev)
+{
+    qDebug() << __PRETTY_FUNCTION__;
+    QRasterWindow::wheelEvent(ev);
+    incrementEventCount();
+    m_offset += ev->pixelDelta();
+}
+
+void RasterWindow::incrementEventCount()
+{
+    ++m_eventCount;
+    update();
+}

tests/manual/wasm/rasterwindow/rasterwindow.h

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+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+#ifndef RASTERWINDOW_H
+#define RASTERWINDOW_H
+
+#include <QtGui>
+
+class RasterWindow : public QRasterWindow
+{
+public:
+    RasterWindow();
+
+    virtual void paintEvent(QPaintEvent * event);
+
+    virtual void exposeEvent(QExposeEvent * ev);
+    virtual void focusInEvent(QFocusEvent * ev);
+    virtual void focusOutEvent(QFocusEvent * ev);
+    virtual void hideEvent(QHideEvent * ev);
+    virtual void keyPressEvent(QKeyEvent * ev);
+    virtual void keyReleaseEvent(QKeyEvent * ev);
+    virtual void mouseDoubleClickEvent(QMouseEvent * ev);
+    virtual void mouseMoveEvent(QMouseEvent * ev);
+    virtual void mousePressEvent(QMouseEvent * ev);
+    virtual void mouseReleaseEvent(QMouseEvent * ev);
+    virtual void moveEvent(QMoveEvent * ev);
+//    virtual bool nativeEvent(const QByteArray & eventType, void * message, long * result);
+    virtual void resizeEvent(QResizeEvent * ev);
+    virtual void showEvent(QShowEvent * ev);
+    virtual void tabletEvent(QTabletEvent * ev);
+    virtual void touchEvent(QTouchEvent * ev);
+    virtual void wheelEvent(QWheelEvent * ev);
+private:
+    void incrementEventCount();
+    int m_eventCount;
+    int m_timeoutCount;
+    int m_frameCount;
+    int m_fps;
+    QPoint m_offset;
+    QPoint m_lastPos;
+    bool m_pressed;
+};
+
+#endif // RASTERWINDOW_H