Class: QgsModelArrowItem

A link arrow item for use in the model designer.

Warning

Not stable API

Added in version 3.14.

List of all members, including inherited members

Class Hierarchy

Base classes

QObject
QGraphicsPathItem
QAbstractGraphicsShapeItem
QGraphicsItem

Classes

Marker

Methods

setPenStyle	Sets the pen style to use for rendering the arrow line.
updatePath	Updates the cached path linking the two items.

Attributes

ArrowHead
Circle
NoMarker

class qgis.gui.QgsModelArrowItem

Bases: QObject, QGraphicsPathItem

__init__(startItem: QgsModelComponentGraphicItem | None, startEdge: Qt.Edge, startIndex: int, startIsOutgoing: bool, startMarker: QgsModelArrowItem.Marker, endItem: QgsModelComponentGraphicItem | None, endEdge: Qt.Edge, endIndex: int, endIsIncoming: bool, endMarker: QgsModelArrowItem.Marker)

Constructor for QgsModelArrowItem, with the specified parent item.

The arrow will link startItem to endItem, joining the specified startEdge and startIndex to endEdge and endIndex.

Parameters:

• startItem (Optional[QgsModelComponentGraphicItem])

• startEdge (Qt.Edge)

• startIndex (int)

• startIsOutgoing (bool)

• startMarker (QgsModelArrowItem.Marker)

• endItem (Optional[QgsModelComponentGraphicItem])

• endEdge (Qt.Edge)

• endIndex (int)

• endIsIncoming (bool)

• endMarker (QgsModelArrowItem.Marker)

__init__(startItem: QgsModelComponentGraphicItem | None, startEdge: Qt.Edge, startIndex: int, startMarker: QgsModelArrowItem.Marker, endItem: QgsModelComponentGraphicItem | None, endMarker: QgsModelArrowItem.Marker)

Constructor for QgsModelArrowItem, with the specified parent item.

The arrow will link startItem to endItem, joining the specified startEdge and startIndex to an automatic point on endItem.

Parameters:

• startItem (Optional[QgsModelComponentGraphicItem])

• startEdge (Qt.Edge)

• startIndex (int)

• startMarker (QgsModelArrowItem.Marker)

• endItem (Optional[QgsModelComponentGraphicItem])

• endMarker (QgsModelArrowItem.Marker)

__init__(startItem: QgsModelComponentGraphicItem | None, startMarker: QgsModelArrowItem.Marker, endItem: QgsModelComponentGraphicItem | None, endEdge: Qt.Edge, endIndex: int, endMarker: QgsModelArrowItem.Marker)

Constructor for QgsModelArrowItem, with the specified parent item.

The arrow will link startItem to endItem, joining an automatic point on startItem to the specified endEdge and endIndex.

Parameters:

• startItem (Optional[QgsModelComponentGraphicItem])

• startMarker (QgsModelArrowItem.Marker)

• endItem (Optional[QgsModelComponentGraphicItem])

• endEdge (Qt.Edge)

• endIndex (int)

• endMarker (QgsModelArrowItem.Marker)

__init__(startItem: QgsModelComponentGraphicItem | None, startMarker: QgsModelArrowItem.Marker, endItem: QgsModelComponentGraphicItem | None, endMarker: QgsModelArrowItem.Marker)

Constructor for QgsModelArrowItem, with the specified parent item.

The arrow will link startItem to endItem, joining an automatic points on both items.

Parameters:

• startItem (Optional[QgsModelComponentGraphicItem])

• startMarker (QgsModelArrowItem.Marker)

• endItem (Optional[QgsModelComponentGraphicItem])

• endMarker (QgsModelArrowItem.Marker)

ArrowHead = 1

Circle = 0

class Marker

Bases: int

NoMarker = 2

setPenStyle(self, style: Qt.PenStyle)

Sets the pen style to use for rendering the arrow line.

Parameters:

style (Qt.PenStyle)

updatePath(self)

Updates the cached path linking the two items.