QskListViewSkinlet.h

/******************************************************************************
 * QSkinny - Copyright (C) The authors
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/
 
#ifndef QSK_LIST_VIEW_SKINLET_H
#define QSK_LIST_VIEW_SKINLET_H
 
#include "QskScrollViewSkinlet.h"
 
class QskListView;
 
class QMarginsF;
class QSizeF;
class QRectF;
class QSGTransformNode;
 
class QSK_EXPORT QskListViewSkinlet : public QskScrollViewSkinlet
{
    Q_GADGET
 
    using Inherited = QskScrollViewSkinlet;
 
  public:
    enum NodeRole
    {
        TextRole = Inherited::RoleCount,
        GraphicRole,
 
        RoleCount
    };
 
    Q_INVOKABLE QskListViewSkinlet( QskSkin* = nullptr );
    ~QskListViewSkinlet() override;
 
    QSizeF sizeHint( const QskSkinnable*,
        Qt::SizeHint, const QSizeF& ) const override;
 
    QRectF sampleRect( const QskSkinnable*,
        const QRectF&, QskAspect::Subcontrol, int index ) const override;
 
    QskAspect::States sampleStates( const QskSkinnable*,
        QskAspect::Subcontrol, int index ) const override;
 
  protected:
    QSGNode* updateContentsNode(
        const QskScrollView*, QSGNode* ) const override;
 
  private:
    void updateForegroundNodes( const QskListView*, QSGNode* ) const;
    void updateBackgroundNodes( const QskListView*, QSGNode* ) const;
 
    void updateVisibleForegroundNodes(
        const QskListView*, QSGNode*,
        int rowMin, int rowMax, const QMarginsF& margin ) const;
 
    QSGTransformNode* updateForegroundNode( const QskListView*,
        QSGNode* parentNode, QSGTransformNode* cellNode,
        int row, int col, const QSizeF& ) const;
 
    QSGNode* updateCellNode( const QskListView*,
        QSGNode*, const QRectF&, int row, int col ) const;
};
 
#endif