我正在使用PyQt5,并试图将一个包含的3D窗口实现为一个由.ui文件生成的python文件。我创建了一个继承自QWidget的contained3dWindow类,这个类只创建了一个3D窗口,我正在尝试将包含的窗口添加到主窗口文件中的VBoxLayout中。但是,当我在主窗口文件中创建contained3dWindow类的实例时,我收到以下错误消息:
警告:在创建全局共享上下文之后,使用不同的版本或配置文件设置新的默认格式可能会导致上下文共享问题。未能使上下文成为当前上下文: OpenGL资源将不会被销毁
当我运行主文件时,主窗口显示不到一秒钟,然后程序关闭。以下是包含的窗口的函数,位于文件cwindow.py中:
from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout, QCheckBox, QCommandLinkButton, \
QVBoxLayout
from PyQt5.Qt3DExtras import QTorusMesh, QPhongMaterial, QConeMesh, QCylinderMesh, \
QCuboidMesh, QPlaneMesh, QSphereMesh, Qt3DWindow, QFirstPersonCameraController
import sys
class contained3dWindow(QWidget):
def __init__(self):
super().__init__()
view = Qt3DWindow()
这是主窗口文件中的代码:
from PyQt5 import QtCore, QtGui, QtWidgets
import cwindow
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
#Generated by pyuic
MainWindow.setObjectName("MainWindow")
MainWindow.resize(1416, 1041)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.verticalLayoutWidget = QtWidgets.QWidget(self.centralwidget)
self.verticalLayoutWidget.setGeometry(QtCore.QRect(250, 160, 1051, 721))
self.verticalLayoutWidget.setObjectName("verticalLayoutWidget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.verticalLayoutWidget)
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
self.verticalLayout.setObjectName("verticalLayout")
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 1416, 38))
self.menubar.setObjectName("menubar")
self.menuFile = QtWidgets.QMenu(self.menubar)
self.menuFile.setObjectName("menuFile")
self.menuEdit = QtWidgets.QMenu(self.menubar)
self.menuEdit.setObjectName("menuEdit")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.menubar.addAction(self.menuFile.menuAction())
self.menubar.addAction(self.menuEdit.menuAction())
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
#Source of the problem. Error occurs when the contained3dWindow instance is created
c_window = cwindow.contained3dWindow()
self.verticalLayout.addWidget(c_window)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.menuFile.setTitle(_translate("MainWindow", "File"))
self.menuEdit.setTitle(_translate("MainWindow", "Edit"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
在setupUi函数中创建一个contained3dWindow对象,如果未创建该对象,则程序将按预期运行。PyQt文档非常简单,我只找到了另外一个有这个问题的人(https://bugreports.qt.io/browse/QTBUG-60614)。任何帮助都是非常感谢的。
发布于 2018-06-09 09:36:27
我不知道错误的确切原因是什么,我怀疑它与内存释放有关,但以下代码不会产生这个问题,所以现在我应该解决您的问题
cwindow.py
from PyQt5.QtWidgets import QWidget, QVBoxLayout
from PyQt5.Qt3DExtras import Qt3DWindow, QFirstPersonCameraController
from PyQt5.Qt3DCore import QEntity
class contained3dWindow(QWidget):
def __init__(self):
super().__init__()
lay = QVBoxLayout(self)
self.view = Qt3DWindow()
container = QWidget.createWindowContainer(self.view)
lay.addWidget(container)
self.rootEntity = QEntity()
cameraEntity = self.view.camera()
camController = QFirstPersonCameraController(self.rootEntity)
camController.setCamera(cameraEntity)
self.view.setRootEntity(self.rootEntity)
https://stackoverflow.com/questions/50769689
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