92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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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 <qnamespace.h>
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#include <qrect.h>
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#include <memory>
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class QQuickItem;
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class QskLinearLayoutEngine
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{
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public:
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QskLinearLayoutEngine( Qt::Orientation, uint dimension );
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~QskLinearLayoutEngine();
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Qt::Orientation orientation() const;
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void setOrientation( Qt::Orientation );
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void setDimension( uint dimension );
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uint dimension() const;
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void setDefaultAlignment( Qt::Alignment );
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Qt::Alignment defaultAlignment() const;
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void setExtraSpacingAt( Qt::Edges );
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Qt::Edges extraSpacingAt() const;
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int count() const;
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int rowCount() const;
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int columnCount() const;
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void setSpacing( qreal spacing, Qt::Orientations );
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qreal spacing( Qt::Orientation ) const;
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qreal defaultSpacing( Qt::Orientation ) const;
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void insertItem( QQuickItem*, int index );
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void addItem( QQuickItem* );
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void insertSpacerAt( int index, qreal spacing );
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void addSpacer( qreal spacing );
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void removeAt( int index );
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QQuickItem* itemAt( int index ) const;
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int spacerAt( int index ) const;
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void setRetainSizeWhenHiddenAt( int index, bool on );
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bool retainSizeWhenHiddenAt( int index ) const;
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void setAlignmentAt( int index, Qt::Alignment );
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Qt::Alignment alignmentAt( int index ) const;
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void setStretchFactorAt( int index, int stretchFactor );
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int stretchFactorAt( int index ) const;
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void setGeometries( const QRectF& );
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qreal widthForHeight( qreal height ) const;
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qreal heightForWidth( qreal width ) const;
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QSizeF sizeHint( Qt::SizeHint, const QSizeF& contraint ) const;
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void setVisualDirection( Qt::LayoutDirection );
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Qt::LayoutDirection visualDirection() const;
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enum
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{
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EntryCache = 1 << 0,
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CellCache = 1 << 1,
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LayoutCache = 1 << 2
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};
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void invalidate( int what = EntryCache | CellCache | LayoutCache );
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private:
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void updateCellGeometries( const QSizeF& );
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private:
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Q_DISABLE_COPY(QskLinearLayoutEngine)
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class PrivateData;
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std::unique_ptr< PrivateData > m_data;
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};
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#endif
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