79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#ifndef QSK_LINEAR_LAYOUT_ENGINE_H
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#define QSK_LINEAR_LAYOUT_ENGINE_H
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#include "QskGlobal.h"
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#include "QskLayoutEngine2D.h"
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#include <qnamespace.h>
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#include <memory>
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class QQuickItem;
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class QSizeF;
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class QRectF;
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class QSK_EXPORT QskLinearLayoutEngine : public QskLayoutEngine2D
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{
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public:
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QskLinearLayoutEngine( Qt::Orientation, uint dimension );
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~QskLinearLayoutEngine() override;
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Qt::Orientation orientation() const;
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bool setOrientation( Qt::Orientation );
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bool setDimension( uint dimension );
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uint dimension() const;
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int count() const override final;
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int insertItem( QQuickItem*, int index );
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int addItem( QQuickItem* );
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int insertSpacerAt( int index, qreal spacing );
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int addSpacer( qreal spacing );
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bool removeAt( int index );
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bool clear();
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int indexOf( const QQuickItem* ) const;
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QQuickItem* itemAt( int index ) const;
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qreal spacerAt( int index ) const;
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bool setStretchFactorAt( int index, int stretchFactor );
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int stretchFactorAt( int index ) const;
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private:
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Q_DISABLE_COPY(QskLinearLayoutEngine)
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QskSizePolicy sizePolicyAt( int index ) const override final;
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void layoutItems() override;
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int effectiveCount() const;
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int effectiveCount( Qt::Orientation ) const override;
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void invalidateElementCache() override;
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virtual void setupChain( Qt::Orientation, const QskLayoutChain::Segments&,
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QskLayoutChain& ) const override final;
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class PrivateData;
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std::unique_ptr< PrivateData > m_data;
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};
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inline int QskLinearLayoutEngine::addItem( QQuickItem* item )
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{
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return insertItem( item, -1 );
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}
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inline int QskLinearLayoutEngine::addSpacer( qreal spacing )
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{
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return insertSpacerAt( -1, spacing );
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}
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#endif
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