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/****************************************************************************
**
** Copyright (C) 2010 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKLAYOUT_P_H
#define QQUICKLAYOUT_P_H
#include <QPointer>
#include <QQuickItem>
QT_BEGIN_NAMESPACE
class QQuickComponentsLayoutAttached;
class QQuickComponentsLayout : public QQuickItem
{
Q_OBJECT
Q_ENUMS(SizePolicy)
public:
enum SizePolicy {
Fixed,
Expanding
};
explicit QQuickComponentsLayout(QQuickItem *parent = 0);
~QQuickComponentsLayout();
static QQuickComponentsLayoutAttached *qmlAttachedProperties(QObject *object);
protected:
void invalidate();
bool event(QEvent *e);
void reconfigureTopDown();
virtual void reconfigureLayout();
void setupItemLayout(QQuickItem *item);
private:
bool m_dirty;
friend class QQuickComponentsLayoutAttached;
};
class QQuickComponentsLayoutAttached : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal minimumWidth READ minimumWidth WRITE setMinimumWidth NOTIFY minimumWidthChanged)
Q_PROPERTY(qreal minimumHeight READ minimumHeight WRITE setMinimumHeight NOTIFY minimumHeightChanged)
Q_PROPERTY(qreal maximumWidth READ maximumWidth WRITE setMaximumWidth NOTIFY maximumWidthChanged)
Q_PROPERTY(qreal maximumHeight READ maximumHeight WRITE setMaximumHeight NOTIFY maximumHeightChanged)
Q_PROPERTY(QQuickComponentsLayout::SizePolicy verticalSizePolicy READ verticalSizePolicy WRITE setVerticalSizePolicy NOTIFY verticalSizePolicyChanged)
Q_PROPERTY(QQuickComponentsLayout::SizePolicy horizontalSizePolicy READ horizontalSizePolicy WRITE setHorizontalSizePolicy NOTIFY horizontalSizePolicyChanged)
public:
QQuickComponentsLayoutAttached(QObject *object);
qreal minimumWidth() const { return m_minimumWidth; }
void setMinimumWidth(qreal width);
qreal minimumHeight() const { return m_minimumHeight; }
void setMinimumHeight(qreal height);
qreal maximumWidth() const { return m_maximumWidth; }
void setMaximumWidth(qreal width);
qreal maximumHeight() const { return m_maximumHeight; }
void setMaximumHeight(qreal height);
QQuickComponentsLayout::SizePolicy verticalSizePolicy() const { return m_verticalSizePolicy; }
void setVerticalSizePolicy(QQuickComponentsLayout::SizePolicy policy);
QQuickComponentsLayout::SizePolicy horizontalSizePolicy() const { return m_horizontalSizePolicy; }
void setHorizontalSizePolicy(QQuickComponentsLayout::SizePolicy policy);
signals:
void minimumWidthChanged();
void minimumHeightChanged();
void maximumWidthChanged();
void maximumHeightChanged();
void verticalSizePolicyChanged();
void horizontalSizePolicyChanged();
protected:
void updateLayout();
private:
qreal m_minimumWidth;
qreal m_minimumHeight;
qreal m_maximumWidth;
qreal m_maximumHeight;
QQuickComponentsLayout::SizePolicy m_verticalSizePolicy;
QQuickComponentsLayout::SizePolicy m_horizontalSizePolicy;
QPointer<QQuickComponentsLayout> m_layout;
friend class QQuickComponentsLayout;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickComponentsLayout)
QML_DECLARE_TYPEINFO(QQuickComponentsLayout, QML_HAS_ATTACHED_PROPERTIES)
#endif // QQUICKLAYOUT_P_H
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