#include <qgridlayoutengine_p.h>

Inheritance diagram for QGridLayoutEngine:

Collaboration diagram for QGridLayoutEngine:

Public Member Functions
	QGridLayoutEngine (Qt::Alignment defaultAlignment={ }, bool snapToPixelGrid=false)

	~QGridLayoutEngine ()

int	rowCount (Qt::Orientation orientation) const

int	columnCount (Qt::Orientation orientation) const

int	rowCount () const

int	columnCount () const

int	itemCount () const

QGridLayoutItem *	itemAt (int index) const

int	effectiveFirstRow (Qt::Orientation orientation=Qt::Vertical) const

int	effectiveLastRow (Qt::Orientation orientation=Qt::Vertical) const

void	setSpacing (qreal spacing, Qt::Orientations orientations)

qreal	spacing (Qt::Orientation orientation, const QAbstractLayoutStyleInfo *styleInfo) const

void	setRowSpacing (int row, qreal spacing, Qt::Orientation orientation=Qt::Vertical)

qreal	rowSpacing (int row, Qt::Orientation orientation=Qt::Vertical) const

void	setRowStretchFactor (int row, int stretch, Qt::Orientation orientation=Qt::Vertical)

int	rowStretchFactor (int row, Qt::Orientation orientation=Qt::Vertical) const

void	setRowSizeHint (Qt::SizeHint which, int row, qreal size, Qt::Orientation orientation=Qt::Vertical)

qreal	rowSizeHint (Qt::SizeHint which, int row, Qt::Orientation orientation=Qt::Vertical) const

bool	uniformCellWidths () const

void	setUniformCellWidths (bool uniformCellWidths)

bool	uniformCellHeights () const

void	setUniformCellHeights (bool uniformCellHeights)

void	setRowAlignment (int row, Qt::Alignment alignment, Qt::Orientation orientation)

Qt::Alignment	rowAlignment (int row, Qt::Orientation orientation) const

Qt::Alignment	effectiveAlignment (const QGridLayoutItem *layoutItem) const

void	insertItem (QGridLayoutItem *item, int index)

void	addItem (QGridLayoutItem *item)

void	removeItem (QGridLayoutItem *item)

void	deleteItems ()

QGridLayoutItem *	itemAt (int row, int column, Qt::Orientation orientation=Qt::Vertical) const

void	insertRow (int row, Qt::Orientation orientation=Qt::Vertical)

void	removeRows (int row, int count, Qt::Orientation orientation)

void	invalidate ()

void	setGeometries (const QRectF &contentsGeometry, const QAbstractLayoutStyleInfo *styleInfo)

QRectF	cellRect (const QRectF &contentsGeometry, int row, int column, int rowSpan, int columnSpan, const QAbstractLayoutStyleInfo *styleInfo) const

QSizeF	sizeHint (Qt::SizeHint which, const QSizeF &constraint, const QAbstractLayoutStyleInfo *styleInfo) const

QSizeF	dynamicallyConstrainedSizeHint (Qt::SizeHint which, const QSizeF &constraint) const

bool	ensureDynamicConstraint () const

bool	hasDynamicConstraint () const

Qt::Orientation	constraintOrientation () const

QLayoutPolicy::ControlTypes	controlTypes (LayoutSide side) const

void	transpose ()

void	setVisualDirection (Qt::LayoutDirection direction)

Qt::LayoutDirection	visualDirection () const

Protected Attributes
QList< QGridLayoutItem * >	q_items

Friends
class	QGridLayoutItem

Detailed Description

Definition at line 309 of file qgridlayoutengine_p.h.

Constructor & Destructor Documentation

◆ QGridLayoutEngine()

QGridLayoutEngine::QGridLayoutEngine	(	Qt::Alignment	defaultAlignment = { },
		bool	snapToPixelGrid = false )

Definition at line 760 of file qgridlayoutengine.cpp.

References invalidate(), and Qt::LeftToRight.

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◆ ~QGridLayoutEngine()

QGridLayoutEngine::~QGridLayoutEngine ( )

inline

Definition at line 313 of file qgridlayoutengine_p.h.

References qDeleteAll().

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Member Function Documentation

◆ addItem()

void QGridLayoutEngine::addItem ( QGridLayoutItem * item )

Definition at line 977 of file qgridlayoutengine.cpp.

References insertItem(), and item.

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◆ cellRect()

QRectF QGridLayoutEngine::cellRect	(	const QRectF &	contentsGeometry,
		int	row,
		int	column,
		int	rowSpan,
		int	columnSpan,
		const QAbstractLayoutStyleInfo *	styleInfo ) const

Definition at line 1064 of file qgridlayoutengine.cpp.

References columnCount(), qMax(), and rowCount().

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◆ columnCount() [1/2]

int QGridLayoutEngine::columnCount ( ) const

inline

Definition at line 318 of file qgridlayoutengine_p.h.

References Qt::Horizontal.

Referenced by cellRect(), controlTypes(), itemAt(), setGeometries(), and sizeHint().

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◆ columnCount() [2/2]

int QGridLayoutEngine::columnCount ( Qt::Orientation orientation ) const

Definition at line 775 of file qgridlayoutengine.cpp.

References QHVContainer< T >::transposed().

Referenced by QGraphicsLinearLayoutPrivate::gridColumn().

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◆ constraintOrientation()

Qt::Orientation QGridLayoutEngine::constraintOrientation ( ) const

Definition at line 1647 of file qgridlayoutengine.cpp.

References ensureDynamicConstraint(), and void.

Referenced by sizeHint().

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◆ controlTypes()

QLayoutPolicy::ControlTypes QGridLayoutEngine::controlTypes ( LayoutSide side ) const

Definition at line 1143 of file qgridlayoutengine.cpp.

References Bottom, columnCount(), effectiveFirstRow(), effectiveLastRow(), Qt::Horizontal, item, itemAt(), Left, Top, and Qt::Vertical.

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◆ deleteItems()

void QGridLayoutEngine::deleteItems ( )

inline

Definition at line 355 of file qgridlayoutengine_p.h.

References Qt::Horizontal, qDeleteAll(), and Qt::Vertical.

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◆ dynamicallyConstrainedSizeHint()

QSizeF QGridLayoutEngine::dynamicallyConstrainedSizeHint	(	Qt::SizeHint	which,
		const QSizeF &	constraint ) const

◆ effectiveAlignment()

Qt::Alignment QGridLayoutEngine::effectiveAlignment ( const QGridLayoutItem * layoutItem ) const

Definition at line 931 of file qgridlayoutengine.cpp.

References Qt::AlignHorizontal_Mask, Qt::AlignVertical_Mask, Qt::Horizontal, layoutItem(), rowAlignment(), and Qt::Vertical.

Referenced by setGeometries().

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◆ effectiveFirstRow()

int QGridLayoutEngine::effectiveFirstRow ( Qt::Orientation orientation = Qt::Vertical ) const

Definition at line 791 of file qgridlayoutengine.cpp.

Referenced by controlTypes().

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◆ effectiveLastRow()

int QGridLayoutEngine::effectiveLastRow ( Qt::Orientation orientation = Qt::Vertical ) const

Definition at line 797 of file qgridlayoutengine.cpp.

Referenced by controlTypes().

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◆ ensureDynamicConstraint()

bool QGridLayoutEngine::ensureDynamicConstraint ( ) const

returns false if the layout has contradicting constraints (i.e. some items with a horizontal constraint and other items with a vertical constraint)

Definition at line 1614 of file qgridlayoutengine.cpp.

References QList< T >::at(), i, item, NoConstraint, q_items, qWarning, QList< T >::size(), UnfeasibleConstraint, and UnknownConstraint.

Referenced by constraintOrientation(), and hasDynamicConstraint().

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◆ hasDynamicConstraint()

bool QGridLayoutEngine::hasDynamicConstraint ( ) const

Definition at line 1637 of file qgridlayoutengine.cpp.

References ensureDynamicConstraint(), and NoConstraint.

Referenced by sizeHint().

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◆ insertItem()

void QGridLayoutEngine::insertItem	(	QGridLayoutItem *	item,
		int	index )

The index is only used by QGraphicsLinearLayout to ensure that itemAt() reflects the order of visual arrangement. Strictly speaking it does not have to, but most people expect it to. (And if it didn't we would have to add itemArrangedAt(int index) or something..)

Definition at line 956 of file qgridlayoutengine.cpp.

References QList< T >::append(), i, QList< T >::insert(), item, itemAt(), j, q_items, qPrintable, qWarning, and QList< T >::size().

Referenced by addItem().

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◆ insertRow()

void QGridLayoutEngine::insertRow	(	int	row,
		Qt::Orientation	orientation = Qt::Vertical )

inline

Definition at line 368 of file qgridlayoutengine_p.h.

◆ invalidate()

void QGridLayoutEngine::invalidate ( )

Definition at line 1008 of file qgridlayoutengine.cpp.

References UnknownConstraint.

Referenced by QGridLayoutEngine(), removeItem(), QGraphicsGridLayoutEngine::setAlignment(), QQuickGridLayoutEngine::setAlignment(), setRowSpacing(), setSpacing(), QQuickGridLayoutEngine::setStretchFactor(), setUniformCellHeights(), setUniformCellWidths(), and transpose().

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◆ itemAt() [1/2]

QGridLayoutItem * QGridLayoutEngine::itemAt ( int index ) const

Definition at line 785 of file qgridlayoutengine.cpp.

References QList< T >::at(), itemCount(), Q_ASSERT, and q_items.

Referenced by controlTypes(), insertItem(), and removeItem().

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◆ itemAt() [2/2]

QGridLayoutItem * QGridLayoutEngine::itemAt	(	int	row,
		int	column,
		Qt::Orientation	orientation = Qt::Vertical ) const

Definition at line 999 of file qgridlayoutengine.cpp.

References QList< T >::at(), columnCount(), Qt::Horizontal, qSwap(), and rowCount().

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◆ itemCount()

int QGridLayoutEngine::itemCount ( ) const

Definition at line 780 of file qgridlayoutengine.cpp.

References q_items, and QList< T >::size().

Referenced by itemAt().

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◆ removeItem()

void QGridLayoutEngine::removeItem ( QGridLayoutItem * item )

Definition at line 982 of file qgridlayoutengine.cpp.

References QListSpecialMethodsBase< T >::contains(), i, invalidate(), item, itemAt(), j, Q_ASSERT, q_items, and QList< T >::removeAll().

Referenced by QGraphicsLinearLayoutPrivate::removeGridItem().

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◆ removeRows()

void QGridLayoutEngine::removeRows	(	int	row,
		int	count,
		Qt::Orientation	orientation )

inline

Definition at line 370 of file qgridlayoutengine_p.h.

Referenced by QGraphicsLinearLayoutPrivate::removeGridItem().

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◆ rowAlignment()

Qt::Alignment QGridLayoutEngine::rowAlignment	(	int	row,
		Qt::Orientation	orientation ) const

Definition at line 925 of file qgridlayoutengine.cpp.

References Q_ASSERT.

Referenced by effectiveAlignment().

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◆ rowCount() [1/2]

int QGridLayoutEngine::rowCount ( ) const

inline

Definition at line 317 of file qgridlayoutengine_p.h.

References Qt::Vertical.

Referenced by cellRect(), itemAt(), setGeometries(), and sizeHint().

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◆ rowCount() [2/2]

int QGridLayoutEngine::rowCount ( Qt::Orientation orientation ) const

Definition at line 770 of file qgridlayoutengine.cpp.

Referenced by QGraphicsLinearLayoutPrivate::fixIndex(), and QGraphicsLinearLayoutPrivate::gridRow().

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◆ rowSizeHint()

qreal QGridLayoutEngine::rowSizeHint	(	Qt::SizeHint	which,
		int	row,
		Qt::Orientation	orientation = Qt::Vertical ) const

Definition at line 879 of file qgridlayoutengine.cpp.

◆ rowSpacing()

qreal QGridLayoutEngine::rowSpacing	(	int	row,
		Qt::Orientation	orientation = Qt::Vertical ) const

Definition at line 836 of file qgridlayoutengine.cpp.

References spacing.

◆ rowStretchFactor()

int QGridLayoutEngine::rowStretchFactor	(	int	row,
		Qt::Orientation	orientation = Qt::Vertical ) const

Definition at line 857 of file qgridlayoutengine.cpp.

References QLayoutParameter< T >::isDefault(), and QLayoutParameter< T >::value().

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◆ setGeometries()

void QGridLayoutEngine::setGeometries	(	const QRectF &	contentsGeometry,
		const QAbstractLayoutStyleInfo *	styleInfo )

Definition at line 1025 of file qgridlayoutengine.cpp.

References Qt::AlignBaseline, QList< T >::at(), columnCount(), effectiveAlignment(), i, item, QRectF::moveLeft(), QRectF::moveTop(), q_items, rowCount(), QList< T >::size(), visualDirection(), visualRect(), QRectF::x(), and QRectF::y().

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◆ setRowAlignment()

void QGridLayoutEngine::setRowAlignment	(	int	row,
		Qt::Alignment	alignment,
		Qt::Orientation	orientation )

Definition at line 912 of file qgridlayoutengine.cpp.

References alignment, and Q_ASSERT.

◆ setRowSizeHint()

void QGridLayoutEngine::setRowSizeHint	(	Qt::SizeHint	which,
		int	row,
		qreal	size,
		Qt::Orientation	orientation = Qt::Vertical )

Definition at line 865 of file qgridlayoutengine.cpp.

References Q_ASSERT.

◆ setRowSpacing()

void QGridLayoutEngine::setRowSpacing	(	int	row,
		qreal	spacing,
		Qt::Orientation	orientation = Qt::Vertical )

Definition at line 822 of file qgridlayoutengine.cpp.

References invalidate(), Q_ASSERT, and spacing.

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◆ setRowStretchFactor()

void QGridLayoutEngine::setRowStretchFactor	(	int	row,
		int	stretch,
		Qt::Orientation	orientation = Qt::Vertical )

Definition at line 844 of file qgridlayoutengine.cpp.

References Q_ASSERT.

◆ setSpacing()

void QGridLayoutEngine::setSpacing	(	qreal	spacing,
		Qt::Orientations	orientations )

Definition at line 803 of file qgridlayoutengine.cpp.

References Qt::Horizontal, invalidate(), spacing, and Qt::Vertical.

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◆ setUniformCellHeights()

void QGridLayoutEngine::setUniformCellHeights ( bool uniformCellHeights )

Definition at line 903 of file qgridlayoutengine.cpp.

References invalidate(), and uniformCellHeights().

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◆ setUniformCellWidths()

void QGridLayoutEngine::setUniformCellWidths ( bool uniformCellWidths )

Definition at line 889 of file qgridlayoutengine.cpp.

References invalidate(), and uniformCellWidths().

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◆ setVisualDirection()

void QGridLayoutEngine::setVisualDirection ( Qt::LayoutDirection direction )

Definition at line 1170 of file qgridlayoutengine.cpp.

References direction.

◆ sizeHint()

QSizeF QGridLayoutEngine::sizeHint	(	Qt::SizeHint	which,
		const QSizeF &	constraint,
		const QAbstractLayoutStyleInfo *	styleInfo ) const

Definition at line 1089 of file qgridlayoutengine.cpp.

References QGridLayoutRowData::calculateGeometries(), columnCount(), constraintOrientation(), hasDynamicConstraint(), QSizeF::height(), Qt::Horizontal, rowCount(), Qt::Vertical, and QSizeF::width().

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◆ spacing()

qreal QGridLayoutEngine::spacing	(	Qt::Orientation	orientation,
		const QAbstractLayoutStyleInfo *	styleInfo ) const

Definition at line 813 of file qgridlayoutengine.cpp.

References QAbstractLayoutStyleInfo::spacing().

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◆ transpose()

void QGridLayoutEngine::transpose ( )

Definition at line 1157 of file qgridlayoutengine.cpp.

References QList< T >::at(), i, invalidate(), q_items, QList< T >::size(), QGridLayoutItem::transpose(), and QHVContainer< T >::transpose().

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◆ uniformCellHeights()

bool QGridLayoutEngine::uniformCellHeights ( ) const

Definition at line 898 of file qgridlayoutengine.cpp.

Referenced by setUniformCellHeights().

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◆ uniformCellWidths()

bool QGridLayoutEngine::uniformCellWidths ( ) const

Definition at line 884 of file qgridlayoutengine.cpp.

Referenced by setUniformCellWidths().

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◆ visualDirection()

Qt::LayoutDirection QGridLayoutEngine::visualDirection ( ) const

Definition at line 1175 of file qgridlayoutengine.cpp.

Referenced by setGeometries().

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Friends And Related Symbol Documentation

◆ QGridLayoutItem

friend class QGridLayoutItem

friend

Definition at line 456 of file qgridlayoutengine_p.h.

Member Data Documentation

◆ q_items

QList<QGridLayoutItem *> QGridLayoutEngine::q_items

protected

Definition at line 416 of file qgridlayoutengine_p.h.

Referenced by ensureDynamicConstraint(), QGraphicsGridLayoutEngine::findLayoutItem(), QQuickGridLayoutEngine::findLayoutItem(), QGraphicsGridLayoutEngine::indexOf(), QQuickGridLayoutEngine::indexOf(), insertItem(), itemAt(), itemCount(), removeItem(), setGeometries(), and transpose().

The documentation for this class was generated from the following files:

qtbase/src/gui/util/qgridlayoutengine_p.h (3f720b8acfc3ee63d860a78b58e945923e8bae0a)
qtbase/src/gui/util/qgridlayoutengine.cpp (4f3f7d46223b35082a3c3623042ce0c24bc41202)

Public Member Functions

Protected Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ QGridLayoutEngine()

◆ ~QGridLayoutEngine()

Member Function Documentation

◆ addItem()

◆ cellRect()

◆ columnCount() [1/2]

◆ columnCount() [2/2]

◆ constraintOrientation()

◆ controlTypes()

◆ deleteItems()

◆ dynamicallyConstrainedSizeHint()

◆ effectiveAlignment()

◆ effectiveFirstRow()

◆ effectiveLastRow()

◆ ensureDynamicConstraint()

◆ hasDynamicConstraint()

◆ insertItem()

◆ insertRow()

◆ invalidate()

◆ itemAt() [1/2]

◆ itemAt() [2/2]

◆ itemCount()

◆ removeItem()

◆ removeRows()

◆ rowAlignment()

◆ rowCount() [1/2]

◆ rowCount() [2/2]

◆ rowSizeHint()

◆ rowSpacing()

◆ rowStretchFactor()

◆ setGeometries()

◆ setRowAlignment()

◆ setRowSizeHint()

◆ setRowSpacing()

◆ setRowStretchFactor()

◆ setSpacing()

◆ setUniformCellHeights()

◆ setUniformCellWidths()

◆ setVisualDirection()

◆ sizeHint()

◆ spacing()

◆ transpose()

◆ uniformCellHeights()

◆ uniformCellWidths()

◆ visualDirection()

Friends And Related Symbol Documentation

◆ QGridLayoutItem

Member Data Documentation

◆ q_items