Stores and manages the snap guides used by a layout. More...

#include <qgslayoutguidecollection.h>

Inheritance diagram for QgsLayoutGuideCollection:

[legend]

Public Types
enum class	CustomRole : int { Orientation = Qt::UserRole , Position , Units , Page , LayoutPosition }
	Model roles. More...

Public Member Functions
	QgsLayoutGuideCollection (QgsLayout layout, QgsLayoutPageCollection pageCollection)
	Constructor for QgsLayoutGuideCollection belonging to the specified layout, and linked to the specified pageCollection.

	~QgsLayoutGuideCollection () override

void	addGuide (QgsLayoutGuide *guide)
	Adds a guide to the collection.

void	applyGuidesToAllOtherPages (int sourcePage)
	Resets all other pages' guides to match the guides from the specified sourcePage.

void	clear ()
	Removes all guides from the collection.

int	columnCount (const QModelIndex &) const override

QVariant	data (const QModelIndex &index, int role) const override

Qt::ItemFlags	flags (const QModelIndex &index) const override

QList< QgsLayoutGuide * >	guides ()
	Returns a list of all guides contained in the collection.

QList< QgsLayoutGuide * >	guides (Qt::Orientation orientation, int page=-1)
	Returns the list of guides contained in the collection with the specified orientation and on a matching page.

QList< QgsLayoutGuide * >	guidesOnPage (int page)
	Returns the list of guides contained on a matching page.

QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override

QgsLayout *	layout () override
	Returns the layout the object belongs to.

bool	readXml (const QDomElement &collectionElement, const QDomDocument &document, const QgsReadWriteContext &context) override
	Sets the collection's state from a DOM element.

void	removeGuide (QgsLayoutGuide *guide)
	Removes the specified guide, and deletes it.

bool	removeRows (int row, int count, const QModelIndex &parent=QModelIndex()) override

int	rowCount (const QModelIndex &) const override

bool	setData (const QModelIndex &index, const QVariant &value, int role) override

void	setGuideLayoutPosition (QgsLayoutGuide *guide, double position)
	Sets the absolute position (in layout coordinates) for guide within the layout.

void	setVisible (bool visible)
	Sets whether the guide lines should be visible.

QString	stringType () const override
	Returns the object type as a string.

void	update ()
	Updates the position (and visibility) of all guide line items.

bool	visible () const
	Returns `true` if the guide lines should be drawn.

bool	writeXml (QDomElement &parentElement, QDomDocument &document, const QgsReadWriteContext &context) const override
	Stores the collection's state in a DOM element.

Public Member Functions inherited from QgsLayoutSerializableObject
QgsAbstractLayoutUndoCommand *	createCommand (const QString &text, int id, QUndoCommand *parent=nullptr) override
	Creates a new layout undo command with the specified text and parent.

Public Member Functions inherited from QgsLayoutUndoObjectInterface
virtual	~QgsLayoutUndoObjectInterface ()=default

Friends
class	QgsLayoutGuideCollectionUndoCommand

Detailed Description

Stores and manages the snap guides used by a layout.

Definition at line 166 of file qgslayoutguidecollection.h.

Member Enumeration Documentation

◆ CustomRole

enum class QgsLayoutGuideCollection::CustomRole : int

strong

Model roles.

Custom model roles.

Note: Prior to QGIS 3.36 this was available as QgsLayoutGuideCollection::Roles

Since: QGIS 3.36

Enumerator
Orientation	Guide orientation role.
Position	Guide position role.
Units	Guide position units role.
Page	Guide page role.
LayoutPosition	Guide position in layout coordinates.

Definition at line 183 of file qgslayoutguidecollection.h.

Constructor & Destructor Documentation

◆ QgsLayoutGuideCollection()

QgsLayoutGuideCollection::QgsLayoutGuideCollection	(	QgsLayout *	layout,
		QgsLayoutPageCollection *	pageCollection
	)

Constructor for QgsLayoutGuideCollection belonging to the specified layout, and linked to the specified pageCollection.

Definition at line 194 of file qgslayoutguidecollection.cpp.

◆ ~QgsLayoutGuideCollection()

QgsLayoutGuideCollection::~QgsLayoutGuideCollection ( )

override

Definition at line 205 of file qgslayoutguidecollection.cpp.

Member Function Documentation

◆ addGuide()

void QgsLayoutGuideCollection::addGuide ( QgsLayoutGuide * guide )

Adds a guide to the collection.

Ownership of the guide is transferred to the collection, and the guide will automatically have the correct layout set.

Definition at line 390 of file qgslayoutguidecollection.cpp.

◆ applyGuidesToAllOtherPages()

void QgsLayoutGuideCollection::applyGuidesToAllOtherPages ( int sourcePage )

Resets all other pages' guides to match the guides from the specified sourcePage.

Definition at line 438 of file qgslayoutguidecollection.cpp.

◆ clear()

void QgsLayoutGuideCollection::clear ( )

Removes all guides from the collection.

See also: removeGuide()

Definition at line 428 of file qgslayoutguidecollection.cpp.

◆ columnCount()

int QgsLayoutGuideCollection::columnCount ( const QModelIndex & parent ) const

override

Definition at line 220 of file qgslayoutguidecollection.cpp.

◆ data()

QVariant QgsLayoutGuideCollection::data	(	const QModelIndex &	index,
		int	role
	)		const

override

Definition at line 228 of file qgslayoutguidecollection.cpp.

◆ flags()

Qt::ItemFlags QgsLayoutGuideCollection::flags ( const QModelIndex & index ) const

override

Definition at line 354 of file qgslayoutguidecollection.cpp.

◆ guides() [1/2]

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guides ( )

Returns a list of all guides contained in the collection.

Definition at line 482 of file qgslayoutguidecollection.cpp.

◆ guides() [2/2]

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guides	(	Qt::Orientation	orientation,
		int	page = `-1`
	)

Returns the list of guides contained in the collection with the specified orientation and on a matching page.

If page is -1, guides from all pages will be returned.

See also: guidesOnPage()

Definition at line 487 of file qgslayoutguidecollection.cpp.

◆ guidesOnPage()

QList< QgsLayoutGuide * > QgsLayoutGuideCollection::guidesOnPage ( int page )

Returns the list of guides contained on a matching page.

See also: guides()

Definition at line 500 of file qgslayoutguidecollection.cpp.

◆ headerData()

QVariant QgsLayoutGuideCollection::headerData	(	int	section,
		Qt::Orientation	orientation,
		int	role = `Qt::DisplayRole`
	)		const

override

Definition at line 361 of file qgslayoutguidecollection.cpp.

◆ layout()

QgsLayout * QgsLayoutGuideCollection::layout ( )

overridevirtual

Returns the layout the object belongs to.

Implements QgsLayoutSerializableObject.

Definition at line 210 of file qgslayoutguidecollection.cpp.

◆ readXml()

bool QgsLayoutGuideCollection::readXml	(	const QDomElement &	collectionElement,
		const QDomDocument &	document,
		const QgsReadWriteContext &	context
	)

overridevirtual

Sets the collection's state from a DOM element.

collectionElement is the DOM node corresponding to the collection.

See also: writeXml()

Implements QgsLayoutSerializableObject.

Definition at line 555 of file qgslayoutguidecollection.cpp.

◆ removeGuide()

void QgsLayoutGuideCollection::removeGuide ( QgsLayoutGuide * guide )

Removes the specified guide, and deletes it.

See also: clear()

Definition at line 410 of file qgslayoutguidecollection.cpp.

◆ removeRows()

bool QgsLayoutGuideCollection::removeRows	(	int	row,
		int	count,
		const QModelIndex &	parent = `QModelIndex()`
	)

override

Definition at line 372 of file qgslayoutguidecollection.cpp.

◆ rowCount()

int QgsLayoutGuideCollection::rowCount ( const QModelIndex & ) const

override

Definition at line 215 of file qgslayoutguidecollection.cpp.

◆ setData()

bool QgsLayoutGuideCollection::setData	(	const QModelIndex &	index,
		const QVariant &	value,
		int	role
	)

override

Definition at line 268 of file qgslayoutguidecollection.cpp.

◆ setGuideLayoutPosition()

void QgsLayoutGuideCollection::setGuideLayoutPosition	(	QgsLayoutGuide *	guide,
		double	position
	)

Sets the absolute position (in layout coordinates) for guide within the layout.

Definition at line 419 of file qgslayoutguidecollection.cpp.

◆ setVisible()

void QgsLayoutGuideCollection::setVisible ( bool visible )

Sets whether the guide lines should be visible.

See also: visible()

Definition at line 517 of file qgslayoutguidecollection.cpp.

◆ stringType()

QString QgsLayoutGuideCollection::stringType ( ) const

inlineoverridevirtual

Returns the object type as a string.

This string must be a unique, single word, character only representation of the item type, eg "LayoutScaleBar"

Implements QgsLayoutSerializableObject.

Definition at line 201 of file qgslayoutguidecollection.h.

◆ update()

void QgsLayoutGuideCollection::update ( )

Updates the position (and visibility) of all guide line items.

Definition at line 473 of file qgslayoutguidecollection.cpp.

◆ visible()

bool QgsLayoutGuideCollection::visible ( ) const

Returns true if the guide lines should be drawn.

See also: setVisible()

Definition at line 512 of file qgslayoutguidecollection.cpp.

◆ writeXml()

bool QgsLayoutGuideCollection::writeXml	(	QDomElement &	parentElement,
		QDomDocument &	document,
		const QgsReadWriteContext &	context
	)		const

overridevirtual

Stores the collection's state in a DOM element.

The parentElement should refer to the parent layout's DOM element.

See also: readXml()

Implements QgsLayoutSerializableObject.

Definition at line 536 of file qgslayoutguidecollection.cpp.

Friends And Related Symbol Documentation

◆ QgsLayoutGuideCollectionUndoCommand

friend class QgsLayoutGuideCollectionUndoCommand

friend

Definition at line 311 of file qgslayoutguidecollection.h.

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

/build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/core/layout/qgslayoutguidecollection.h
/build/qgis-3.41.0+git20241214+cea29feecf2+99sid/src/core/layout/qgslayoutguidecollection.cpp

Public Types

Public Member Functions

Friends

Detailed Description

Member Enumeration Documentation

◆ CustomRole

Constructor & Destructor Documentation

◆ QgsLayoutGuideCollection()

◆ ~QgsLayoutGuideCollection()

Member Function Documentation

◆ addGuide()

◆ applyGuidesToAllOtherPages()

◆ clear()

◆ columnCount()

◆ data()

◆ flags()

◆ guides() [1/2]

◆ guides() [2/2]

◆ guidesOnPage()

◆ headerData()

◆ layout()

◆ readXml()

◆ removeGuide()

◆ removeRows()

◆ rowCount()

◆ setData()

◆ setGuideLayoutPosition()

◆ setVisible()

◆ stringType()

◆ update()

◆ visible()

◆ writeXml()

Friends And Related Symbol Documentation

◆ QgsLayoutGuideCollectionUndoCommand