1 files changed, 64 insertions, 0 deletions
diff --git a/src/gui/platform/darwin/qappleiconengine_p.h b/src/gui/platform/darwin/qappleiconengine_p.h
new file mode 100644
index 0000000000..2a4ff7fc64
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+++ b/src/gui/platform/darwin/qappleiconengine_p.h
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+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QAPPLEICONENGINE_P_H
+#define QAPPLEICONENGINE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/qiconengine.h>
+
+#include <QtCore/private/qcore_mac_p.h>
+
+Q_FORWARD_DECLARE_OBJC_CLASS(UIImage);
+Q_FORWARD_DECLARE_OBJC_CLASS(NSImage);
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QAppleIconEngine : public QIconEngine
+{
+public:
+    QAppleIconEngine(const QString &iconName);
+    ~QAppleIconEngine();
+    QIconEngine *clone() const override;
+    QString key() const override;
+    QString iconName() override;
+    bool isNull() override;
+
+    QList<QSize> availableSizes(QIcon::Mode, QIcon::State) override;
+    QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state) override;
+    QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state) override;
+    QPixmap scaledPixmap(const QSize &size, QIcon::Mode mode, QIcon::State state, qreal scale) override;
+    void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) override;
+
+    static QList<QSize> availableIconSizes(double aspectRatio = 1.0);
+
+private:
+    static constexpr quint64 calculateCacheKey(QIcon::Mode mode, QIcon::State state)
+    {
+        return (quint64(mode) << 32) | state;
+    }
+
+    const QString m_iconName;
+#if defined(Q_OS_MACOS)
+    const NSImage *m_image;
+#elif defined(QT_PLATFORM_UIKIT)
+    const UIImage *m_image;
+#endif
+    mutable QPixmap m_pixmap;
+    mutable quint64 m_cacheKey = {};
+};
+
+
+QT_END_NAMESPACE
+
+#endif // QAPPLEICONENGINE_P_H