diff options
Diffstat (limited to 'src/quickcontrols2impl/qquickitemgroup_p.h')
-rw-r--r-- | src/quickcontrols2impl/qquickitemgroup_p.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/quickcontrols2impl/qquickitemgroup_p.h b/src/quickcontrols2impl/qquickitemgroup_p.h new file mode 100644 index 00000000..9c04a990 --- /dev/null +++ b/src/quickcontrols2impl/qquickitemgroup_p.h @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQUICKITEMGROUP_P_H +#define QQUICKITEMGROUP_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 <QtQuick/private/qquickimplicitsizeitem_p.h> +#include <QtQuick/private/qquickitemchangelistener_p.h> +#include <QtQuickControls2Impl/private/qtquickcontrols2implglobal_p.h> + +QT_BEGIN_NAMESPACE + +class Q_QUICKCONTROLS2_PRIVATE_EXPORT QQuickItemGroup : public QQuickImplicitSizeItem, protected QQuickItemChangeListener +{ + Q_OBJECT + QML_NAMED_ELEMENT(ItemGroup) + QML_ADDED_IN_VERSION(2, 2) + +public: + explicit QQuickItemGroup(QQuickItem *parent = nullptr); + ~QQuickItemGroup(); + +protected: + void watch(QQuickItem *item); + void unwatch(QQuickItem *item); + + QSizeF calculateImplicitSize() const; + void updateImplicitSize(); + + void itemChange(ItemChange change, const ItemChangeData &data) override; + void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override; + + void itemImplicitWidthChanged(QQuickItem *item) override; + void itemImplicitHeightChanged(QQuickItem *item) override; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickItemGroup) + +#endif // QQUICKITEMGROUP_P_H |