def ugly_name_face(node, *args, **kargs): """ This is my item generator. It must receive a node object, and returns a Qt4 graphics item that can be used as a node face. """ # receive an arbitrary number of arguments, in this case width and # height of the faces width = args[0][0] height = args[0][1] ## Creates a main master Item that will contain all other elements ## Items can be standard QGraphicsItem # masterItem = QGraphicsRectItem(0, 0, width, height) # Or your custom Items, in which you can re-implement interactive # functions, etc. Check QGraphicsItem doc for details. masterItem = InteractiveItem(0, 0, width, height) # Keep a link within the item to access node info masterItem.node = node # I dont want a border around the masterItem masterItem.setPen(QPen(QtCore.Qt.NoPen)) # Add ellipse around text ellipse = QGraphicsEllipseItem(masterItem.rect()) ellipse.setParentItem(masterItem) # Change ellipse color ellipse.setBrush(QBrush(QColor( random_color()))) # Add node name within the ellipse text = QGraphicsSimpleTextItem(node.name) text.setParentItem(ellipse) text.setPen(QPen(QPen(QColor("white")))) # Center text according to masterItem size tw = text.boundingRect().width() th = text.boundingRect().height() center = masterItem.boundingRect().center() text.setPos(center.x()-tw/2, center.y()-th/2) return masterItem
def ugly_name_face(node, *args, **kargs): """ This is my item generator. It must receive a node object, and returns a Qt4 graphics item that can be used as a node face. """ # receive an arbitrary number of arguments, in this case width and # height of the faces width = args[0][0] height = args[0][1] ## Creates a main master Item that will contain all other elements ## Items can be standard QGraphicsItem # masterItem = QGraphicsRectItem(0, 0, width, height) # Or your custom Items, in which you can re-implement interactive # functions, etc. Check QGraphicsItem doc for details. masterItem = InteractiveItem(0, 0, width, height) # Keep a link within the item to access node info masterItem.node = node # I dont want a border around the masterItem masterItem.setPen(QPen(QtCore.Qt.NoPen)) # Add ellipse around text ellipse = QGraphicsEllipseItem(masterItem.rect()) ellipse.setParentItem(masterItem) # Change ellipse color ellipse.setBrush(QBrush(QColor(random_color()))) # Add node name within the ellipse text = QGraphicsSimpleTextItem(node.name) text.setParentItem(ellipse) text.setPen(QPen(QPen(QColor("white")))) # Center text according to masterItem size tw = text.boundingRect().width() th = text.boundingRect().height() center = masterItem.boundingRect().center() text.setPos(center.x() - tw / 2, center.y() - th / 2) return masterItem