qt 6.5.1 original

tests/manual/cocoa/nativewidgets/CMakeLists.txt

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

tests/manual/cocoa/nativewidgets/main.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QtCore>
+#include <QtWidgets>
+
+class ColorWidget : public QWidget
+{
+    QColor color;
+    int s;
+    int v;
+
+    void changeColor()
+    {
+        color.setHsv(QRandomGenerator::global()->bounded(50) + 200, s, s);
+    }
+
+public:
+    ColorWidget()
+    {
+        s = 150;
+        v = 150;
+        changeColor();
+        setMouseTracking(true);
+    }
+
+    void mousePressEvent(QMouseEvent *)
+    {
+        changeColor();
+        update();
+    }
+
+    void mouseMoveEvent(QMouseEvent *)
+    {
+        changeColor();
+        update();
+    }
+
+    void enterEvent(QEnterEvent *)
+    {
+        s = 200;
+        v = 200;
+        changeColor();
+        update();
+    }
+
+    void leaveEvent(QEvent *)
+    {
+        s = 75;
+        v = 75;
+        changeColor();
+        update();
+    }
+
+    void paintEvent(QPaintEvent *){
+        QPainter p(this);
+        p.fillRect(QRect(QPoint(0, 0), size()), QBrush(color));
+    }
+};
+
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+
+    ColorWidget window;
+
+    QWidget *w1 = new ColorWidget;
+    QWidget *w2 = new ColorWidget;
+    QWidget *w3 = new ColorWidget;
+
+    QHBoxLayout *layout = new QHBoxLayout;
+    layout->addWidget(w1);
+    layout->addWidget(w2);
+    layout->addWidget(w3);
+
+    QWidget *w3_1 = new ColorWidget;
+    QWidget *w3_2 = new ColorWidget;
+    QWidget *w3_3 = new ColorWidget;
+
+    QVBoxLayout *layout3 = new QVBoxLayout;
+    layout3->setMargin(0);
+    layout3->addWidget(w3_1);
+    layout3->addWidget(w3_2);
+    layout3->addWidget(w3_3);
+    w3->setLayout(layout3);
+
+    window.setLayout(layout);
+
+    bool native = 1;
+
+    if (native) {
+        w1->winId();
+        w2->winId();
+        w3->winId();
+
+        w3_1->winId();
+        w3_2->winId();
+        w3_3->winId();
+    }
+
+    window.resize(640, 480);
+    window.show();
+
+    return app.exec();
+}
+
+
+

tests/manual/cocoa/nativewidgets/nativewigets.pro

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+TEMPLATE = app
+
+HEADERS +=
+SOURCES += main.cpp
+
+QT += core widgets