def __init__(self, sys_argv):
super().__init__()
self.__m_previousWorldX: float = 0.0
self.__m_previousWorldY: float = 0.0
self.__m_draggingMouse: bool = False
self.__m_showFileDialog: bool = False
self.__m_vtkFboItem = None
#* Set style: https://stackoverflow.com/questions/43093797/PySide2-quickcontrols-material-style
sys_argv += ['--style', 'material'] #! MUST HAVE
app = QApplication(sys_argv)
engine = QQmlApplicationEngine()
# engine.setImportPathList(['C:\\Users\\tungdao\\.conda\\envs\\qtvtkpy\\Lib\\site-packages\\PySide2\\qml'])
# print(engine.importPathList())
app.setApplicationName('QtVTK-Py')
#* Register QML Types
qmlRegisterType(Squircle, 'QtVTK', 1, 0, 'VtkFboItem')
# #* Create classes instances
self.__m_processingEngine = ProcessingEngine()
# #* Expose/Bind Python classes (QObject) to QML
ctxt = engine.rootContext() # returns QQmlContext
ctxt.setContextProperty('canvasHandler', self)
# #* Load main QML file
engine.load(QUrl.fromLocalFile('resources\\main.qml'))
# #* Get reference to the QVTKFramebufferObjectItem in QML
rootObject = engine.rootObjects()[0] # returns QObject
self.__m_vtkFboItem = rootObject.findChild(Squircle, 'vtkFboItem')
# # #* Give the vtkFboItem reference to the CanvasHandler
if (self.__m_vtkFboItem):
qDebug(
'CanvasHandler::CanvasHandler: setting vtkFboItem to CanvasHandler'
)
self.__m_vtkFboItem.setProcessingEngine(self.__m_processingEngine)
self.__m_vtkFboItem.rendererInitialized.connect(
self.startApplication)
self.__m_vtkFboItem.isModelSelectedChanged.connect(
self.isModelSelectedChanged)
self.__m_vtkFboItem.selectedModelPositionXChanged.connect(
self.selectedModelPositionXChanged)
self.__m_vtkFboItem.selectedModelPositionYChanged.connect(
self.selectedModelPositionYChanged)
else:
qCritical(
'CanvasHandler::CanvasHandler: Unable to get vtkFboItem instance'
)
return
rc = app.exec_()
qDebug(
f'CanvasHandler::CanvasHandler: Execution finished with return code: {rc}'
)
def setup(self, engine):
# Get reference to the QVTKFramebufferObjectItem in QML
rootObject = engine.rootObjects()[0] # returns QObject
self._m_vtkFboItem = rootObject.findChild(FboItem, 'vtkFboItem')
# Give the vtkFboItem reference to the CanvasHandler
if (self._m_vtkFboItem):
qDebug(
'CanvasHandler::CanvasHandler: setting vtkFboItem to CanvasHandler'
)
self._m_vtkFboItem.rendererInitialized.connect(
self.startApplication)
else:
qCritical(
'CanvasHandler::CanvasHandler: Unable to get vtkFboItem instance'
)
return
def __init__(self, sys_argv):
super().__init__()
self.__m_vtkFboItem = None
#* Set style: https://stackoverflow.com/questions/43093797/PySide2-quickcontrols-material-style
sys_argv += ['--style', 'material'] #! MUST HAVE
QApplication.setAttribute( Qt.AA_UseDesktopOpenGL )
QtGui.QSurfaceFormat.setDefaultFormat(defaultFormat(False)) # from vtk 8.2.0
app = QApplication(sys_argv)
engine = QQmlApplicationEngine()
app.setApplicationName('QtVTK-Py')
# Register QML Types
qmlRegisterType(FboItem, 'QtVTK', 1, 0, 'VtkFboItem')
# Expose/Bind Python classes (QObject) to QML
ctxt = engine.rootContext() # returns QQmlContext
ctxt.setContextProperty('canvasHandler', self)
self.dataProvider = ChartDataProvider()
ctxt.setContextProperty('chartDataProvider', self.dataProvider)
# Load main QML file
engine.load(QUrl.fromLocalFile('resources/main.qml'))
# Get reference to the QVTKFramebufferObjectItem in QML
rootObject = engine.rootObjects()[0] # returns QObject
self.__m_vtkFboItem = rootObject.findChild(FboItem, 'vtkFboItem')
# Give the vtkFboItem reference to the CanvasHandler
if (self.__m_vtkFboItem):
qDebug('CanvasHandler::CanvasHandler: setting vtkFboItem to CanvasHandler')
self.__m_vtkFboItem.rendererInitialized.connect(self.startApplication)
else:
qCritical('CanvasHandler::CanvasHandler: Unable to get vtkFboItem instance')
return
rc = app.exec_()
qDebug(f'CanvasHandler::CanvasHandler: Execution finished with return code: {rc}')