pyqtgraph/graphicsItems/GraphicsObject.py

29 lines
1.1 KiB
Python
Raw Normal View History

from pyqtgraph.Qt import QtGui, QtCore
2012-05-11 22:05:41 +00:00
from .GraphicsItem import GraphicsItem
__all__ = ['GraphicsObject']
2012-04-16 20:45:55 +00:00
class GraphicsObject(GraphicsItem, QtGui.QGraphicsObject):
"""
**Bases:** :class:`GraphicsItem <pyqtgraph.graphicsItems.GraphicsItem>`, :class:`QtGui.QGraphicsObject`
Extension of QGraphicsObject with some useful methods (provided by :class:`GraphicsItem <pyqtgraph.graphicsItems.GraphicsItem>`)
"""
def __init__(self, *args):
QtGui.QGraphicsObject.__init__(self, *args)
2012-04-16 20:45:55 +00:00
GraphicsItem.__init__(self)
def itemChange(self, change, value):
ret = QtGui.QGraphicsObject.itemChange(self, change, value)
if change in [self.ItemParentHasChanged, self.ItemSceneHasChanged]:
self._updateView()
return ret
def setParentItem(self, parent):
## Workaround for Qt bug: https://bugreports.qt-project.org/browse/QTBUG-18616
pscene = parent.scene()
if pscene is not None and self.scene() is not pscene:
pscene.addItem(self)
return QtGui.QGraphicsObject.setParentItem(self, parent)