| 1 | // Copyright (C) 2017 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QQUICKITEMGROUP_P_H |
| 5 | #define QQUICKITEMGROUP_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtQuick/private/qquickimplicitsizeitem_p.h> |
| 19 | #include <QtQuick/private/qquickitemchangelistener_p.h> |
| 20 | #include <QtQuickControls2Impl/private/qtquickcontrols2implglobal_p.h> |
| 21 | |
| 22 | QT_BEGIN_NAMESPACE |
| 23 | |
| 24 | class Q_QUICKCONTROLS2IMPL_EXPORT QQuickItemGroup : public QQuickImplicitSizeItem, protected QQuickItemChangeListener |
| 25 | { |
| 26 | Q_OBJECT |
| 27 | QML_NAMED_ELEMENT(ItemGroup) |
| 28 | QML_ADDED_IN_VERSION(2, 2) |
| 29 | |
| 30 | public: |
| 31 | explicit QQuickItemGroup(QQuickItem *parent = nullptr); |
| 32 | ~QQuickItemGroup(); |
| 33 | |
| 34 | protected: |
| 35 | void watch(QQuickItem *item); |
| 36 | void unwatch(QQuickItem *item); |
| 37 | |
| 38 | QSizeF calculateImplicitSize() const; |
| 39 | void updateImplicitSize(); |
| 40 | |
| 41 | void itemChange(ItemChange change, const ItemChangeData &data) override; |
| 42 | void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
| 43 | |
| 44 | void itemImplicitWidthChanged(QQuickItem *item) override; |
| 45 | void itemImplicitHeightChanged(QQuickItem *item) override; |
| 46 | }; |
| 47 | |
| 48 | QT_END_NAMESPACE |
| 49 | |
| 50 | #endif // QQUICKITEMGROUP_P_H |
| 51 |