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+// Commit: 95814418f9d6adeba365c795462e8afb00138211
+/****************************************************************************
+**
+** Copyright (C) 2011 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 QSGGRIDVIEW_P_H
+#define QSGGRIDVIEW_P_H
+
+#include "qsgflickable_p.h"
+
+#include <private/qdeclarativeguard_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+class QSGVisualModel;
+class QSGGridViewAttached;
+class QSGGridViewPrivate;
+class Q_AUTOTEST_EXPORT QSGGridView : public QSGFlickable
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QSGGridView)
+
+ Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
+ Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
+ Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
+ Q_PROPERTY(QSGItem *currentItem READ currentItem NOTIFY currentIndexChanged)
+ Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+ Q_PROPERTY(QDeclarativeComponent *highlight READ highlight WRITE setHighlight NOTIFY highlightChanged)
+ Q_PROPERTY(QSGItem *highlightItem READ highlightItem NOTIFY highlightItemChanged)
+ Q_PROPERTY(bool highlightFollowsCurrentItem READ highlightFollowsCurrentItem WRITE setHighlightFollowsCurrentItem)
+ Q_PROPERTY(int highlightMoveDuration READ highlightMoveDuration WRITE setHighlightMoveDuration NOTIFY highlightMoveDurationChanged)
+
+ Q_PROPERTY(qreal preferredHighlightBegin READ preferredHighlightBegin WRITE setPreferredHighlightBegin NOTIFY preferredHighlightBeginChanged RESET resetPreferredHighlightBegin)
+ Q_PROPERTY(qreal preferredHighlightEnd READ preferredHighlightEnd WRITE setPreferredHighlightEnd NOTIFY preferredHighlightEndChanged RESET resetPreferredHighlightEnd)
+ Q_PROPERTY(HighlightRangeMode highlightRangeMode READ highlightRangeMode WRITE setHighlightRangeMode NOTIFY highlightRangeModeChanged)
+
+ Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
+ Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged)
+ Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged)
+ Q_PROPERTY(bool keyNavigationWraps READ isWrapEnabled WRITE setWrapEnabled NOTIFY keyNavigationWrapsChanged)
+ Q_PROPERTY(int cacheBuffer READ cacheBuffer WRITE setCacheBuffer NOTIFY cacheBufferChanged)
+ Q_PROPERTY(int cellWidth READ cellWidth WRITE setCellWidth NOTIFY cellWidthChanged)
+ Q_PROPERTY(int cellHeight READ cellHeight WRITE setCellHeight NOTIFY cellHeightChanged)
+
+ Q_PROPERTY(SnapMode snapMode READ snapMode WRITE setSnapMode NOTIFY snapModeChanged)
+
+ Q_PROPERTY(QDeclarativeComponent *header READ header WRITE setHeader NOTIFY headerChanged)
+ Q_PROPERTY(QDeclarativeComponent *footer READ footer WRITE setFooter NOTIFY footerChanged)
+
+ Q_ENUMS(HighlightRangeMode)
+ Q_ENUMS(SnapMode)
+ Q_ENUMS(Flow)
+ Q_ENUMS(PositionMode)
+ Q_CLASSINFO("DefaultProperty", "data")
+
+public:
+ QSGGridView(QSGItem *parent=0);
+ ~QSGGridView();
+
+ QVariant model() const;
+ int modelCount() const;
+ void setModel(const QVariant &);
+
+ QDeclarativeComponent *delegate() const;
+ void setDelegate(QDeclarativeComponent *);
+
+ int currentIndex() const;
+ void setCurrentIndex(int idx);
+
+ QSGItem *currentItem();
+ QSGItem *highlightItem();
+ int count() const;
+
+ QDeclarativeComponent *highlight() const;
+ void setHighlight(QDeclarativeComponent *highlight);
+
+ bool highlightFollowsCurrentItem() const;
+ void setHighlightFollowsCurrentItem(bool);
+
+ int highlightMoveDuration() const;
+ void setHighlightMoveDuration(int);
+
+ enum HighlightRangeMode { NoHighlightRange, ApplyRange, StrictlyEnforceRange };
+ HighlightRangeMode highlightRangeMode() const;
+ void setHighlightRangeMode(HighlightRangeMode mode);
+
+ qreal preferredHighlightBegin() const;
+ void setPreferredHighlightBegin(qreal);
+ void resetPreferredHighlightBegin();
+
+ qreal preferredHighlightEnd() const;
+ void setPreferredHighlightEnd(qreal);
+ void resetPreferredHighlightEnd();
+
+ Qt::LayoutDirection layoutDirection() const;
+ void setLayoutDirection(Qt::LayoutDirection);
+ Qt::LayoutDirection effectiveLayoutDirection() const;
+
+ enum Flow { LeftToRight, TopToBottom };
+ Flow flow() const;
+ void setFlow(Flow);
+
+ bool isWrapEnabled() const;
+ void setWrapEnabled(bool);
+
+ int cacheBuffer() const;
+ void setCacheBuffer(int);
+
+ int cellWidth() const;
+ void setCellWidth(int);
+
+ int cellHeight() const;
+ void setCellHeight(int);
+
+ enum SnapMode { NoSnap, SnapToRow, SnapOneRow };
+ SnapMode snapMode() const;
+ void setSnapMode(SnapMode mode);
+
+ QDeclarativeComponent *footer() const;
+ void setFooter(QDeclarativeComponent *);
+
+ QDeclarativeComponent *header() const;
+ void setHeader(QDeclarativeComponent *);
+
+ virtual void setContentX(qreal pos);
+ virtual void setContentY(qreal pos);
+
+ enum PositionMode { Beginning, Center, End, Visible, Contain };
+
+ Q_INVOKABLE void positionViewAtIndex(int index, int mode);
+ Q_INVOKABLE int indexAt(qreal x, qreal y) const;
+ Q_INVOKABLE void positionViewAtBeginning();
+ Q_INVOKABLE void positionViewAtEnd();
+
+ static QSGGridViewAttached *qmlAttachedProperties(QObject *);
+
+public Q_SLOTS:
+ void moveCurrentIndexUp();
+ void moveCurrentIndexDown();
+ void moveCurrentIndexLeft();
+ void moveCurrentIndexRight();
+
+Q_SIGNALS:
+ void countChanged();
+ void currentIndexChanged();
+ void cellWidthChanged();
+ void cellHeightChanged();
+ void highlightChanged();
+ void highlightItemChanged();
+ void preferredHighlightBeginChanged();
+ void preferredHighlightEndChanged();
+ void highlightRangeModeChanged();
+ void highlightMoveDurationChanged();
+ void modelChanged();
+ void delegateChanged();
+ void flowChanged();
+ void layoutDirectionChanged();
+ void effectiveLayoutDirectionChanged();
+ void keyNavigationWrapsChanged();
+ void cacheBufferChanged();
+ void snapModeChanged();
+ void headerChanged();
+ void footerChanged();
+
+protected:
+ virtual void updatePolish();
+ virtual void viewportMoved();
+ virtual qreal minYExtent() const;
+ virtual qreal maxYExtent() const;
+ virtual qreal minXExtent() const;
+ virtual qreal maxXExtent() const;
+ virtual void keyPressEvent(QKeyEvent *);
+ virtual void componentComplete();
+
+private Q_SLOTS:
+ void trackedPositionChanged();
+ void itemsInserted(int index, int count);
+ void itemsRemoved(int index, int count);
+ void itemsMoved(int from, int to, int count);
+ void modelReset();
+ void destroyRemoved();
+ void createdItem(int index, QSGItem *item);
+ void destroyingItem(QSGItem *item);
+ void animStopped();
+
+private:
+ void refill();
+};
+
+class QSGGridViewAttached : public QObject
+{
+ Q_OBJECT
+public:
+ QSGGridViewAttached(QObject *parent)
+ : QObject(parent), m_view(0), m_isCurrent(false), m_delayRemove(false) {}
+ ~QSGGridViewAttached() {}
+
+ Q_PROPERTY(QSGGridView *view READ view NOTIFY viewChanged)
+ QSGGridView *view() { return m_view; }
+ void setView(QSGGridView *view) {
+ if (view != m_view) {
+ m_view = view;
+ emit viewChanged();
+ }
+ }
+
+ Q_PROPERTY(bool isCurrentItem READ isCurrentItem NOTIFY currentItemChanged)
+ bool isCurrentItem() const { return m_isCurrent; }
+ void setIsCurrentItem(bool c) {
+ if (m_isCurrent != c) {
+ m_isCurrent = c;
+ emit currentItemChanged();
+ }
+ }
+
+ Q_PROPERTY(bool delayRemove READ delayRemove WRITE setDelayRemove NOTIFY delayRemoveChanged)
+ bool delayRemove() const { return m_delayRemove; }
+ void setDelayRemove(bool delay) {
+ if (m_delayRemove != delay) {
+ m_delayRemove = delay;
+ emit delayRemoveChanged();
+ }
+ }
+
+ void emitAdd() { emit add(); }
+ void emitRemove() { emit remove(); }
+
+Q_SIGNALS:
+ void currentItemChanged();
+ void delayRemoveChanged();
+ void add();
+ void remove();
+ void viewChanged();
+
+public:
+ QDeclarativeGuard<QSGGridView> m_view;
+ bool m_isCurrent : 1;
+ bool m_delayRemove : 1;
+};
+
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QSGGridView)
+QML_DECLARE_TYPEINFO(QSGGridView, QML_HAS_ATTACHED_PROPERTIES)
+
+QT_END_HEADER
+
+#endif // QSGGRIDVIEW_P_H
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