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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVELAYOUTS_H
+#define QDECLARATIVELAYOUTS_H
+
+#include "qdeclarativeitem.h"
+
+#include "../util/qdeclarativestate_p.h"
+#include <private/qpodvector_p.h>
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+class QDeclarativeBasePositionerPrivate;
+
+class Q_DECLARATIVE_EXPORT QDeclarativeBasePositioner : public QDeclarativeItem
+{
+ Q_OBJECT
+
+ Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
+ Q_PROPERTY(QDeclarativeTransition *move READ move WRITE setMove NOTIFY moveChanged)
+ Q_PROPERTY(QDeclarativeTransition *add READ add WRITE setAdd NOTIFY addChanged)
+public:
+ enum PositionerType { None = 0x0, Horizontal = 0x1, Vertical = 0x2, Both = 0x3 };
+ QDeclarativeBasePositioner(PositionerType, QDeclarativeItem *parent);
+ ~QDeclarativeBasePositioner();
+
+ int spacing() const;
+ void setSpacing(int);
+
+ QDeclarativeTransition *move() const;
+ void setMove(QDeclarativeTransition *);
+
+ QDeclarativeTransition *add() const;
+ void setAdd(QDeclarativeTransition *);
+
+protected:
+ QDeclarativeBasePositioner(QDeclarativeBasePositionerPrivate &dd, PositionerType at, QDeclarativeItem *parent);
+ virtual void componentComplete();
+ virtual QVariant itemChange(GraphicsItemChange, const QVariant &);
+ void finishApplyTransitions();
+
+Q_SIGNALS:
+ void spacingChanged();
+ void moveChanged();
+ void addChanged();
+
+protected Q_SLOTS:
+ virtual void doPositioning()=0;
+ void prePositioning();
+
+protected:
+ struct PositionedItem {
+ PositionedItem(QDeclarativeItem *i) : item(i), isNew(false), isVisible(true) {}
+ bool operator==(const PositionedItem &other) const { return other.item == item; }
+ QDeclarativeItem *item;
+ bool isNew;
+ bool isVisible;
+ };
+
+ QPODVector<PositionedItem,8> positionedItems;
+ void positionX(int,const PositionedItem &target);
+ void positionY(int,const PositionedItem &target);
+
+private:
+ Q_DISABLE_COPY(QDeclarativeBasePositioner)
+ Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeBasePositioner)
+};
+
+class Q_DECLARATIVE_EXPORT QDeclarativeColumn : public QDeclarativeBasePositioner
+{
+ Q_OBJECT
+public:
+ QDeclarativeColumn(QDeclarativeItem *parent=0);
+protected Q_SLOTS:
+ virtual void doPositioning();
+private:
+ Q_DISABLE_COPY(QDeclarativeColumn)
+};
+
+class Q_DECLARATIVE_EXPORT QDeclarativeRow: public QDeclarativeBasePositioner
+{
+ Q_OBJECT
+public:
+ QDeclarativeRow(QDeclarativeItem *parent=0);
+protected Q_SLOTS:
+ virtual void doPositioning();
+private:
+ Q_DISABLE_COPY(QDeclarativeRow)
+};
+
+class Q_DECLARATIVE_EXPORT QDeclarativeGrid : public QDeclarativeBasePositioner
+{
+ Q_OBJECT
+ Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowChanged)
+ Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)
+public:
+ QDeclarativeGrid(QDeclarativeItem *parent=0);
+
+ int rows() const {return _rows;}
+ void setRows(const int rows);
+
+ int columns() const {return _columns;}
+ void setColumns(const int columns);
+
+Q_SIGNALS:
+ void rowsChanged();
+ void columnsChanged();
+
+protected Q_SLOTS:
+ virtual void doPositioning();
+
+private:
+ int _rows;
+ int _columns;
+ Q_DISABLE_COPY(QDeclarativeGrid)
+};
+
+class QDeclarativeFlowPrivate;
+class Q_DECLARATIVE_EXPORT QDeclarativeFlow: public QDeclarativeBasePositioner
+{
+ Q_OBJECT
+ Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
+public:
+ QDeclarativeFlow(QDeclarativeItem *parent=0);
+
+ Q_ENUMS(Flow)
+ enum Flow { LeftToRight, TopToBottom };
+ Flow flow() const;
+ void setFlow(Flow);
+
+Q_SIGNALS:
+ void flowChanged();
+
+protected Q_SLOTS:
+ virtual void doPositioning();
+
+protected:
+ QDeclarativeFlow(QDeclarativeFlowPrivate &dd, QDeclarativeItem *parent);
+private:
+ Q_DISABLE_COPY(QDeclarativeFlow)
+ Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeFlow)
+};
+
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QDeclarativeColumn)
+QML_DECLARE_TYPE(QDeclarativeRow)
+QML_DECLARE_TYPE(QDeclarativeGrid)
+QML_DECLARE_TYPE(QDeclarativeFlow)
+
+QT_END_HEADER
+
+#endif