本文整理汇总了Python中AnyQt.QtWidgets.QGraphicsView.deleteLater方法的典型用法代码示例。如果您正苦于以下问题：Python QGraphicsView.deleteLater方法的具体用法？Python QGraphicsView.deleteLater怎么用？Python QGraphicsView.deleteLater使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AnyQt.QtWidgets.QGraphicsView的用法示例。
在下文中一共展示了QGraphicsView.deleteLater方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TestItems
# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import deleteLater [as 别名]
class TestItems(QAppTestCase):
def setUp(self):
super().setUp()
self.scene = QGraphicsScene()
self.view = QGraphicsView(self.scene)
self.view.setRenderHints(
QPainter.Antialiasing |
QPainter.SmoothPixmapTransform |
QPainter.TextAntialiasing
)
self.view.resize(500, 300)
self.view.show()
def tearDown(self):
self.scene.clear()
self.scene.deleteLater()
self.view.deleteLater()
del self.scene
del self.view
super().tearDown()示例2: TestItems
# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import deleteLater [as 别名]
class TestItems(unittest.TestCase):
def setUp(self):
import logging
from AnyQt.QtWidgets import \
QApplication, QGraphicsScene, QGraphicsView
from AnyQt.QtGui import QPainter
from AnyQt.QtCore import QTimer
logging.basicConfig()
self.app = QApplication([])
self.scene = QGraphicsScene()
self.view = QGraphicsView(self.scene)
self.view.setRenderHints(
QPainter.Antialiasing | \
QPainter.SmoothPixmapTransform | \
QPainter.TextAntialiasing
)
self.view.resize(500, 300)
self.view.show()
QTimer.singleShot(10000, self.app.exit)
def my_excepthook(*args):
sys.setrecursionlimit(1010)
traceback.print_exc(limit=4)
self._orig_excepthook = sys.excepthook
sys.excepthook = my_excepthook
self.singleShot = QTimer.singleShot
def tearDown(self):
self.scene.clear()
self.scene.deleteLater()
self.view.deleteLater()
del self.scene
del self.view
self.app.processEvents()
del self.app
sys.excepthook = self._orig_excepthook示例3: TestAnchorLayout
# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import deleteLater [as 别名]
class TestAnchorLayout(QAppTestCase):
def setUp(self):
super().setUp()
self.scene = CanvasScene()
self.view = QGraphicsView(self.scene)
self.view.setRenderHint(QPainter.Antialiasing)
self.view.show()
self.view.resize(600, 400)
def tearDown(self):
self.scene.clear()
self.view.deleteLater()
self.scene.deleteLater()
del self.scene
del self.view
super().tearDown()
def test_layout(self):
one_desc, negate_desc, cons_desc = self.widget_desc()
one_item = NodeItem()
one_item.setWidgetDescription(one_desc)
one_item.setPos(0, 150)
self.scene.add_node_item(one_item)
cons_item = NodeItem()
cons_item.setWidgetDescription(cons_desc)
cons_item.setPos(200, 0)
self.scene.add_node_item(cons_item)
negate_item = NodeItem()
negate_item.setWidgetDescription(negate_desc)
negate_item.setPos(200, 300)
self.scene.add_node_item(negate_item)
link = LinkItem()
link.setSourceItem(one_item)
link.setSinkItem(negate_item)
self.scene.add_link_item(link)
link = LinkItem()
link.setSourceItem(one_item)
link.setSinkItem(cons_item)
self.scene.add_link_item(link)
layout = AnchorLayout()
self.scene.addItem(layout)
self.scene.set_anchor_layout(layout)
layout.invalidateNode(one_item)
layout.activate()
p1, p2 = one_item.outputAnchorItem.anchorPositions()
self.assertTrue(p1 > p2)
self.scene.node_item_position_changed.connect(layout.invalidateNode)
path = QPainterPath()
path.addEllipse(125, 0, 50, 300)
def advance():
t = time.process_time()
cons_item.setPos(path.pointAtPercent(t % 1.0))
negate_item.setPos(path.pointAtPercent((t + 0.5) % 1.0))
timer = QTimer(negate_item, interval=20)
timer.start()
timer.timeout.connect(advance)
self.app.exec_()
def widget_desc(self):
reg = small_testing_registry()
one_desc = reg.widget("one")
negate_desc = reg.widget("negate")
cons_desc = reg.widget("cons")
return one_desc, negate_desc, cons_desc示例4: TestScene
# 需要导入模块: from AnyQt.QtWidgets import QGraphicsView [as 别名]
# 或者: from AnyQt.QtWidgets.QGraphicsView import deleteLater [as 别名]
class TestScene(QAppTestCase):
def setUp(self):
super().setUp()
self.scene = CanvasScene()
self.view = QGraphicsView(self.scene)
self.view.setRenderHints(QPainter.Antialiasing |
QPainter.TextAntialiasing)
self.view.show()
self.view.resize(400, 300)
def tearDown(self):
self.scene.clear()
self.view.deleteLater()
self.scene.deleteLater()
del self.view
del self.scene
super().tearDown()
def test_scene(self):
"""Test basic scene functionality.
"""
one_desc, negate_desc, cons_desc = self.widget_desc()
one_item = items.NodeItem(one_desc)
negate_item = items.NodeItem(negate_desc)
cons_item = items.NodeItem(cons_desc)
one_item = self.scene.add_node_item(one_item)
negate_item = self.scene.add_node_item(negate_item)
cons_item = self.scene.add_node_item(cons_item)
# Remove a node
self.scene.remove_node_item(cons_item)
self.assertSequenceEqual(self.scene.node_items(),
[one_item, negate_item])
# And add it again
self.scene.add_node_item(cons_item)
self.assertSequenceEqual(self.scene.node_items(),
[one_item, negate_item, cons_item])
# Adding the same item again should raise an exception
with self.assertRaises(ValueError):
self.scene.add_node_item(cons_item)
# Add links
link1 = self.scene.new_link_item(
one_item, "value", negate_item, "value")
link2 = self.scene.new_link_item(
negate_item, "result", cons_item, "first")
link1a = self.scene.add_link_item(link1)
link2a = self.scene.add_link_item(link2)
self.assertEqual(link1, link1a)
self.assertEqual(link2, link2a)
self.assertSequenceEqual(self.scene.link_items(), [link1, link2])
# Remove links
self.scene.remove_link_item(link2)
self.scene.remove_link_item(link1)
self.assertSequenceEqual(self.scene.link_items(), [])
self.assertTrue(link1.sourceItem is None and link1.sinkItem is None)
self.assertTrue(link2.sourceItem is None and link2.sinkItem is None)
self.assertSequenceEqual(one_item.outputAnchors(), [])
self.assertSequenceEqual(negate_item.inputAnchors(), [])
self.assertSequenceEqual(negate_item.outputAnchors(), [])
self.assertSequenceEqual(cons_item.outputAnchors(), [])
# And add one link again
link1 = self.scene.new_link_item(
one_item, "value", negate_item, "value")
link1 = self.scene.add_link_item(link1)
self.assertSequenceEqual(self.scene.link_items(), [link1])
self.assertTrue(one_item.outputAnchors())
self.assertTrue(negate_item.inputAnchors())
self.app.exec_()
def test_scene_with_scheme(self):
"""Test scene through modifying the scheme.
"""
test_scheme = scheme.Scheme()
self.scene.set_scheme(test_scheme)
node_items = []
link_items = []
self.scene.node_item_added.connect(node_items.append)
self.scene.node_item_removed.connect(node_items.remove)
self.scene.link_item_added.connect(link_items.append)
self.scene.link_item_removed.connect(link_items.remove)
one_desc, negate_desc, cons_desc = self.widget_desc()
one_node = scheme.SchemeNode(one_desc)
negate_node = scheme.SchemeNode(negate_desc)
cons_node = scheme.SchemeNode(cons_desc)
#.........这里部分代码省略.........