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- /****************************************************************************
- **
- ** Copyright (C) 2016 The Qt Company Ltd.
- ** Contact: https://www.qt.io/licensing/
- **
- ** This file is part of the QtWidgets module of the Qt Toolkit.
- **
- ** $QT_BEGIN_LICENSE:LGPL$
- ** 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 https://www.qt.io/terms-conditions. For further
- ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
- ** Public license version 3 or any later version approved by the KDE Free
- ** Qt Foundation. The licenses are as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
- ** included in the packaging of this file. Please review the following
- ** information to ensure the GNU General Public License requirements will
- ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
- ** https://www.gnu.org/licenses/gpl-3.0.html.
- **
- ** $QT_END_LICENSE$
- **
- ****************************************************************************/
- #ifndef QGRAPHICSLAYOUTITEM_H
- #define QGRAPHICSLAYOUTITEM_H
- #include <QtCore/qscopedpointer.h>
- #include <QtWidgets/qsizepolicy.h>
- #include <QtGui/qevent.h>
- QT_BEGIN_NAMESPACE
- #if !defined(QT_NO_GRAPHICSVIEW)
- class QGraphicsLayoutItemPrivate;
- class QGraphicsItem;
- class Q_WIDGETS_EXPORT QGraphicsLayoutItem
- {
- public:
- QGraphicsLayoutItem(QGraphicsLayoutItem *parent = Q_NULLPTR, bool isLayout = false);
- virtual ~QGraphicsLayoutItem();
- void setSizePolicy(const QSizePolicy &policy);
- void setSizePolicy(QSizePolicy::Policy hPolicy, QSizePolicy::Policy vPolicy, QSizePolicy::ControlType controlType = QSizePolicy::DefaultType);
- QSizePolicy sizePolicy() const;
- void setMinimumSize(const QSizeF &size);
- inline void setMinimumSize(qreal w, qreal h);
- QSizeF minimumSize() const;
- void setMinimumWidth(qreal width);
- inline qreal minimumWidth() const;
- void setMinimumHeight(qreal height);
- inline qreal minimumHeight() const;
- void setPreferredSize(const QSizeF &size);
- inline void setPreferredSize(qreal w, qreal h);
- QSizeF preferredSize() const;
- void setPreferredWidth(qreal width);
- inline qreal preferredWidth() const;
- void setPreferredHeight(qreal height);
- inline qreal preferredHeight() const;
- void setMaximumSize(const QSizeF &size);
- inline void setMaximumSize(qreal w, qreal h);
- QSizeF maximumSize() const;
- void setMaximumWidth(qreal width);
- inline qreal maximumWidth() const;
- void setMaximumHeight(qreal height);
- inline qreal maximumHeight() const;
- virtual void setGeometry(const QRectF &rect);
- QRectF geometry() const;
- virtual void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
- QRectF contentsRect() const;
- QSizeF effectiveSizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
- virtual void updateGeometry();
- QGraphicsLayoutItem *parentLayoutItem() const;
- void setParentLayoutItem(QGraphicsLayoutItem *parent);
- bool isLayout() const;
- QGraphicsItem *graphicsItem() const;
- bool ownedByLayout() const;
- protected:
- void setGraphicsItem(QGraphicsItem *item);
- void setOwnedByLayout(bool ownedByLayout);
- QGraphicsLayoutItem(QGraphicsLayoutItemPrivate &dd);
- virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const = 0;
- QScopedPointer<QGraphicsLayoutItemPrivate> d_ptr;
- private:
- QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
- Q_DECLARE_PRIVATE(QGraphicsLayoutItem)
- friend class QGraphicsLayout;
- };
- Q_DECLARE_INTERFACE(QGraphicsLayoutItem, "org.qt-project.Qt.QGraphicsLayoutItem")
- inline void QGraphicsLayoutItem::setMinimumSize(qreal aw, qreal ah)
- { setMinimumSize(QSizeF(aw, ah)); }
- inline void QGraphicsLayoutItem::setPreferredSize(qreal aw, qreal ah)
- { setPreferredSize(QSizeF(aw, ah)); }
- inline void QGraphicsLayoutItem::setMaximumSize(qreal aw, qreal ah)
- { setMaximumSize(QSizeF(aw, ah)); }
- inline qreal QGraphicsLayoutItem::minimumWidth() const
- { return effectiveSizeHint(Qt::MinimumSize).width(); }
- inline qreal QGraphicsLayoutItem::minimumHeight() const
- { return effectiveSizeHint(Qt::MinimumSize).height(); }
- inline qreal QGraphicsLayoutItem::preferredWidth() const
- { return effectiveSizeHint(Qt::PreferredSize).width(); }
- inline qreal QGraphicsLayoutItem::preferredHeight() const
- { return effectiveSizeHint(Qt::PreferredSize).height(); }
- inline qreal QGraphicsLayoutItem::maximumWidth() const
- { return effectiveSizeHint(Qt::MaximumSize).width(); }
- inline qreal QGraphicsLayoutItem::maximumHeight() const
- { return effectiveSizeHint(Qt::MaximumSize).height(); }
- #endif
- QT_END_NAMESPACE
- #endif
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