node_graphics_node Module

A module containing Graphics representation of Node

class nodeeditor.node_graphics_node.QDMGraphicsNode(node: Node, parent: PyQt5.QtWidgets.QWidget = None)

Bases: PyQt5.QtWidgets.QGraphicsItem

Class describing Graphics representation of Node

Parameters

• node (Node) – reference to Node

• parent (QWidget) – parent widget

Instance Attributes

• node - reference to Node

property content

Reference to Node Content

property title

title of this Node

Getter

current Graphics Node title

Setter

stores and make visible the new title

Type

str

initUI()

Set up this QGraphicsItem

initSizes()

Set up internal attributes like width, height, etc.

initAssets()

Initialize QObjects like QColor, QPen and QBrush

onSelected()

Our event handling when the node was selected

doSelect(new_state=True)

Safe version of selecting the Graphics Node. Takes care about the selection state flag used internally

Parameters

new_state (bool) – True to select, False to deselect

mouseMoveEvent(event)

Overridden event to detect that we moved with this Node

mouseReleaseEvent(event)

Overriden event to handle when we moved, selected or deselected this Node

mouseDoubleClickEvent(event)

Overriden event for doubleclick. Resend to Node::onDoubleClicked

hoverEnterEvent(event: PyQt5.QtWidgets.QGraphicsSceneHoverEvent) → None

Handle hover effect

hoverLeaveEvent(event: PyQt5.QtWidgets.QGraphicsSceneHoverEvent) → None

Handle hover effect

boundingRect() → PyQt5.QtCore.QRectF

Defining Qt’ bounding rectangle

initTitle()

Set up the title Graphics representation: font, color, position, etc.

initContent()

Set up the grContent - QGraphicsProxyWidget to have a container for Graphics Content

paint(painter, QStyleOptionGraphicsItem, widget=None)

Painting the rounded rectanglar Node