Long live Qt 4.5!

1 files changed, 152 insertions, 0 deletions

diff --git a/src/gui/graphicsview/qgraphicslayoutitem.h b/src/gui/graphicsview/qgraphicslayoutitem.h
new file mode 100644
index 0000000..31f5d90
--- /dev/null
+++ b/src/gui/graphicsview/qgraphicslayoutitem.h
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 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 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSLAYOUTITEM_H
+#define QGRAPHICSLAYOUTITEM_H
+
+#include <QtGui/qsizepolicy.h>
+#include <QtGui/qevent.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
+
+class QGraphicsLayoutItemPrivate;
+class QGraphicsItem;
+class Q_GUI_EXPORT QGraphicsLayoutItem
+{
+public:
+    QGraphicsLayoutItem(QGraphicsLayoutItem *parent = 0, 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();  //### rename to sizeHintChanged()
+
+    QGraphicsLayoutItem *parentLayoutItem() const;
+    void setParentLayoutItem(QGraphicsLayoutItem *parent);
+
+    bool isLayout() const;
+    // ###Qt5: Make automatic reparenting work regardless of item/object/widget type.
+    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;
+    QGraphicsLayoutItemPrivate *d_ptr;
+
+private:
+    QSizeF *effectiveSizeHints(const QSizeF &constraint) const;
+    Q_DECLARE_PRIVATE(QGraphicsLayoutItem)
+    
+    friend class QGraphicsLayout;
+};
+
+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
+
+QT_END_HEADER
+
+#endif