qskinny/src/layouts/QskLayout.h
2018-08-03 08:15:28 +02:00

82 lines
2.1 KiB
C++

/******************************************************************************
* QSkinny - Copyright (C) 2016 Uwe Rathmann
* This file may be used under the terms of the QSkinny License, Version 1.0
*****************************************************************************/
#ifndef QSK_LAYOUT_H
#define QSK_LAYOUT_H
#include "QskControl.h"
class QskLayoutEngine;
class QskLayoutItem;
// might be derived from QskFrame
class QSK_EXPORT QskLayout : public QskControl
{
Q_OBJECT
using Inherited = QskControl;
public:
explicit QskLayout( QQuickItem* parent = 0 );
~QskLayout() override;
Q_INVOKABLE bool isEmpty() const;
Q_INVOKABLE int itemCount() const;
Q_INVOKABLE QQuickItem* itemAtIndex( int index ) const;
Q_INVOKABLE int indexOf( const QQuickItem* ) const;
void removeItem( const QQuickItem* );
Q_INVOKABLE void removeItem( QQuickItem* );
Q_INVOKABLE void removeAt( int index );
Q_INVOKABLE void clear();
Q_INVOKABLE void setActive( bool );
Q_INVOKABLE bool isActive() const;
void adjustItem( const QQuickItem* );
void adjustItemAt( int index );
public Q_SLOTS:
void activate();
void invalidate();
protected:
bool event( QEvent* ) override;
void geometryChangeEvent( QskGeometryChangeEvent* ) override;
void itemChange( ItemChange, const ItemChangeData& ) override;
void updateLayout() override;
QskLayoutEngine& engine();
const QskLayoutEngine& engine() const;
void setItemActive( const QQuickItem*, bool on );
void insertItemInternal( QskLayoutItem*, int index );
virtual void setupLayoutItem( QskLayoutItem*, int index );
virtual void layoutItemInserted( QskLayoutItem*, int index );
virtual void layoutItemRemoved( QskLayoutItem*, int index );
virtual QRectF alignedLayoutRect( const QRectF& ) const;
private:
class PrivateData;
std::unique_ptr< PrivateData > m_data;
};
inline bool QskLayout::isEmpty() const
{
return itemCount() > 0;
}
inline void QskLayout::removeItem( const QQuickItem* item )
{
removeItem( const_cast< QQuickItem* >( item ) );
}
#endif