qquickdesignersupport_p.h

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// Copyright (C) 2021 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

// Qt-Security score:significant reason:default

#ifndef DESIGNERSUPPORT_H

#define DESIGNERSUPPORT_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 <QtQuick/qtquickglobal.h>

#include <QtCore/QtGlobal>

#include <QtCore/QHash>

#include <QtCore/QRectF>

#include <QtCore/private/qglobal_p.h>

QT_BEGIN_NAMESPACE

class QQuickItem;

class QSGLayer;

class QImage;

class QTransform;

class QQmlContext;

class QQuickView;

class QObject;

class QQuickWindow;

class Q_QUICK_EXPORT QQuickDesignerSupport

public:

    typedef QByteArray PropertyName;

    typedef QList<PropertyName> PropertyNameList;

    typedef QByteArray TypeName;

    enum DirtyType {

        TransformOrigin         = 0x00000001,

        Transform               = 0x00000002,

        BasicTransform          = 0x00000004,

        Position                = 0x00000008,

        Size                    = 0x00000010,

        ZValue                  = 0x00000020,

        Content                 = 0x00000040,

        Smooth                  = 0x00000080,

        OpacityValue            = 0x00000100,

        ChildrenChanged         = 0x00000200,

        ChildrenStackingChanged = 0x00000400,

        ParentChanged           = 0x00000800,

        Clip                    = 0x00001000,

        Window                  = 0x00002000,

        EffectReference         = 0x00008000,

        Visible                 = 0x00010000,

        HideReference           = 0x00020000,

        TransformUpdateMask     = TransformOrigin | Transform | BasicTransform | Position | Size | Window,

        ComplexTransformUpdateMask     = Transform | Window,

        ContentUpdateMask       = Size | Content | Smooth | Window,

        ChildrenUpdateMask      = ChildrenChanged | ChildrenStackingChanged | EffectReference | Window,

        AllMask                 = TransformUpdateMask | ContentUpdateMask | ChildrenUpdateMask

};

    QQuickDesignerSupport();

    ~QQuickDesignerSupport();

    void refFromEffectItem(QQuickItem *referencedItem, bool hide = true);

    void derefFromEffectItem(QQuickItem *referencedItem, bool unhide = true);

    QImage renderImageForItem(QQuickItem *referencedItem, const QRectF &boundingRect, const QSize &imageSize);

    static bool isDirty(QQuickItem *referencedItem, DirtyType dirtyType);

    static void addDirty(QQuickItem *referencedItem, DirtyType dirtyType);

    static void resetDirty(QQuickItem *referencedItem);

    static QTransform windowTransform(QQuickItem *referencedItem);

    static QTransform parentTransform(QQuickItem *referencedItem);

    static bool isAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);

    static bool areChildrenAnchoredTo(QQuickItem *fromItem, QQuickItem *toItem);

    static bool hasAnchor(QQuickItem *item, const QString &name);

    static QQuickItem *anchorFillTargetItem(QQuickItem *item);

    static QQuickItem *anchorCenterInTargetItem(QQuickItem *item);

    static std::pair<QString, QObject*> anchorLineTarget(QQuickItem *item, const QString &name, QQmlContext *context);

    static void resetAnchor(QQuickItem *item, const QString &name);

    static void emitComponentCompleteSignalForAttachedProperty(QObject *item);

    static QList<QObject*> statesForItem(QQuickItem *item);

    static bool isComponentComplete(QQuickItem *item);

    static int borderWidth(QQuickItem *item);

    static void refreshExpressions(QQmlContext *context);

    static void setRootItem(QQuickView *view, QQuickItem *item);

    static bool isValidWidth(QQuickItem *item);

    static bool isValidHeight(QQuickItem *item);

    static void updateDirtyNode(QQuickItem *item);

    static void activateDesignerMode();

    static void disableComponentComplete();

    static void enableComponentComplete();

    static void polishItems(QQuickWindow *window);

private:

    QHash<QQuickItem*, QSGLayer*> m_itemTextureHash;

};

class Q_QUICK_EXPORT ComponentCompleteDisabler

public:

    ComponentCompleteDisabler();

    ~ComponentCompleteDisabler();

};

typedef QQuickDesignerSupport DesignerSupport;

QT_END_NAMESPACE

#endif // DESIGNERSUPPORT_H