text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtQuick 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 QQUICKGRIDVIEW_P_H
  #define QQUICKGRIDVIEW_P_H
  
  //
  //  W A R N I N G
  //  -------------
  //
  // This file is not part of the Qt API.  It exists purely as an
  // implementation detail.  This header file may change from version to
  // version without notice, or even be removed.
  //
  // We mean it.
  //
  
  #include "qquickitemview_p.h"
  
  
  QT_BEGIN_NAMESPACE
  
  class QQuickGridViewAttached;
  class QQuickGridViewPrivate;
  class Q_AUTOTEST_EXPORT QQuickGridView : public QQuickItemView
  {
      Q_OBJECT
      Q_DECLARE_PRIVATE(QQuickGridView)
  
      Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
      Q_PROPERTY(qreal cellWidth READ cellWidth WRITE setCellWidth NOTIFY cellWidthChanged)
      Q_PROPERTY(qreal cellHeight READ cellHeight WRITE setCellHeight NOTIFY cellHeightChanged)
  
      Q_PROPERTY(SnapMode snapMode READ snapMode WRITE setSnapMode NOTIFY snapModeChanged)
  
      Q_CLASSINFO("DefaultProperty", "data")
  
  public:
      enum Flow {
          FlowLeftToRight = LeftToRight,
          FlowTopToBottom = TopToBottom
      };
      Q_ENUM(Flow)
  
      QQuickGridView(QQuickItem *parent=0);
      ~QQuickGridView();
  
      void setHighlightFollowsCurrentItem(bool) Q_DECL_OVERRIDE;
      void setHighlightMoveDuration(int) Q_DECL_OVERRIDE;
  
      Flow flow() const;
      void setFlow(Flow);
  
      qreal cellWidth() const;
      void setCellWidth(qreal);
  
      qreal cellHeight() const;
      void setCellHeight(qreal);
  
      enum SnapMode { NoSnap, SnapToRow, SnapOneRow };
      Q_ENUM(SnapMode)
      SnapMode snapMode() const;
      void setSnapMode(SnapMode mode);
  
      static QQuickGridViewAttached *qmlAttachedProperties(QObject *);
  
  public Q_SLOTS:
      void moveCurrentIndexUp();
      void moveCurrentIndexDown();
      void moveCurrentIndexLeft();
      void moveCurrentIndexRight();
  
  Q_SIGNALS:
      void cellWidthChanged();
      void cellHeightChanged();
      void highlightMoveDurationChanged();
      void flowChanged();
      void snapModeChanged();
  
  protected:
      void viewportMoved(Qt::Orientations) Q_DECL_OVERRIDE;
      void keyPressEvent(QKeyEvent *) Q_DECL_OVERRIDE;
      void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;
      void initItem(int index, QObject *item) Q_DECL_OVERRIDE;
  };
  
  class QQuickGridViewAttached : public QQuickItemViewAttached
  {
      Q_OBJECT
  public:
      QQuickGridViewAttached(QObject *parent)
          : QQuickItemViewAttached(parent) {}
      ~QQuickGridViewAttached() {}
  };
  
  
  QT_END_NAMESPACE
  
  QML_DECLARE_TYPE(QQuickGridView)
  QML_DECLARE_TYPEINFO(QQuickGridView, QML_HAS_ATTACHED_PROPERTIES)
  
  #endif // QQUICKGRIDVIEW_P_H
  