Python QGraphicsRectItem.scene примеры использования

Пример #1

Файл: qgraphicsscene_test.py Проект: puskini33/pyside2-setup

 def testIt(self):
     scene = QGraphicsScene()
     i1 = QGraphicsRectItem()
     scene.addItem(i1)
     i2 = QGraphicsRectItem(i1)
     i3 = QGraphicsRectItem()
     i4 = QGraphicsRectItem()
     group = scene.createItemGroup((i2, i3, i4))
     scene.removeItem(i1)
     del i1  # this shouldn't delete i2
     self.assertEqual(i2.scene(), scene)
     scene.destroyItemGroup(group)
     self.assertRaises(RuntimeError, group.type)

Пример #2

Файл: qgraphicsscene_test.py Проект: BadSingleton/pyside2

 def testIt(self):
     scene = QGraphicsScene()
     i1 = QGraphicsRectItem()
     scene.addItem(i1)
     i2 = QGraphicsRectItem(i1)
     i3 = QGraphicsRectItem()
     i4 = QGraphicsRectItem()
     group = scene.createItemGroup((i2, i3, i4))
     scene.removeItem(i1)
     del i1 # this shouldn't delete i2
     self.assertEqual(i2.scene(), scene)
     scene.destroyItemGroup(group)
     self.assertRaises(RuntimeError, group.type)