128 lines
3.8 KiB
C++
128 lines
3.8 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_BOX_H
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#define QSK_LINEAR_BOX_H
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#include "QskIndexedLayoutBox.h"
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class QSK_EXPORT QskLinearBox : public QskIndexedLayoutBox
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{
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Q_OBJECT
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Q_PROPERTY( Qt::Orientation orientation READ orientation
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WRITE setOrientation NOTIFY orientationChanged FINAL )
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Q_PROPERTY( uint dimension READ dimension
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WRITE setDimension NOTIFY dimensionChanged FINAL )
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Q_PROPERTY( qreal spacing READ spacing
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WRITE setSpacing RESET resetSpacing NOTIFY spacingChanged FINAL )
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Q_PROPERTY( Qt::Alignment defaultAlignment READ defaultAlignment
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WRITE setDefaultAlignment NOTIFY defaultAlignmentChanged )
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Q_PROPERTY( Qt::Edges extraSpacingAt READ extraSpacingAt
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WRITE setExtraSpacingAt NOTIFY extraSpacingAtChanged )
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Q_PROPERTY( int elementCount READ elementCount )
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Q_PROPERTY( bool empty READ isEmpty() )
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using Inherited = QskIndexedLayoutBox;
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public:
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explicit QskLinearBox( QQuickItem* parent = nullptr );
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explicit QskLinearBox( Qt::Orientation, QQuickItem* parent = nullptr );
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QskLinearBox( Qt::Orientation, uint dimension, QQuickItem* parent = nullptr );
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~QskLinearBox() override;
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bool isEmpty() const;
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int elementCount() const; // items and spacers
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qreal spacingAtIndex( int index ) const;
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QQuickItem* itemAtIndex( int index ) const;
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int indexOf( const QQuickItem* ) const;
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void removeItem( const QQuickItem* );
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void removeAt( int index );
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Qt::Orientation orientation() const;
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void setOrientation( Qt::Orientation );
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void setDimension( uint );
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uint dimension() const;
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void setExtraSpacingAt( Qt::Edges );
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Qt::Edges extraSpacingAt() const;
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void setDefaultAlignment( Qt::Alignment );
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Qt::Alignment defaultAlignment() const;
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void setSpacing( qreal spacing );
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void resetSpacing();
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qreal spacing() const;
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Q_INVOKABLE int addItem( QQuickItem* );
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int addItem( QQuickItem*, Qt::Alignment );
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Q_INVOKABLE int insertItem( int index, QQuickItem* );
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int insertItem( int index, QQuickItem*, Qt::Alignment );
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Q_INVOKABLE int addSpacer( qreal spacing, int stretchFactor = 0 );
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Q_INVOKABLE int insertSpacer( int index, qreal spacing, int stretchFactor = 0 );
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Q_INVOKABLE int addStretch( int stretchFactor = 0 );
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Q_INVOKABLE int insertStretch( int index, int stretchFactor = 0 );
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Q_INVOKABLE void setStretchFactor( int index, int stretchFactor );
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Q_INVOKABLE int stretchFactor( int index ) const;
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void setStretchFactor( const QQuickItem*, int stretchFactor );
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int stretchFactor( const QQuickItem* ) const;
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void dump() const;
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public Q_SLOTS:
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void transpose();
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void activate();
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void invalidate();
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void clear( bool autoDelete = false );
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Q_SIGNALS:
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void orientationChanged();
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void dimensionChanged();
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void defaultAlignmentChanged();
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void spacingChanged();
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void extraSpacingAtChanged();
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protected:
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bool event( QEvent* ) override;
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void geometryChangeEvent( QskGeometryChangeEvent* ) override;
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void itemChange( ItemChange, const ItemChangeData& ) override;
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void updateLayout() override;
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QSizeF layoutSizeHint( Qt::SizeHint, const QSizeF& ) const override;
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private:
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void autoAddItem( QQuickItem* ) override final;
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void autoRemoveItem( QQuickItem* ) override final;
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void setItemActive( QQuickItem*, bool );
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void removeItemInternal( int index, bool unparent );
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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 bool QskLinearBox::isEmpty() const
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{
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return elementCount() <= 0;
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}
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#endif
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