Shadow effect error, blur in PyQt

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Shadow effect error, blur in PyQt

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#1 by (0 votes)

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I am generating a small interface but when I try to add a shadow effect (DropShadowEffect) and a blur () effect, it throws me an error:

This is my code.

import sys
from PyQt5.QtWidgets import QMainWindow, QApplication ,QLabel, QGraphicsEffect, QVBoxLayout, QGraphicsDropShadowEffect, QGraphicsBlurEffect
from PyQt5 import uic
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5 import QtGui

class Pinricpal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)


        self.resize(97,98)
        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setObjectName("Verticallayout")
        self.label = QLabel(self)
        self.label.setText("Nuevo")

        self.shadow = QGraphicsDropSahowEffect()
        self.shadow.setBlurRadius(5)
        self.label.setGraphicsEffect(self.shadow)

        self.verticalLayout.addWidget(self.label)



app = QApplication([])
principal = Pinricpal()
principal.show()
app.exec_()

AS AN EXTRA QUESTION: Is it possible to implement this effect in the background of a MainWindow?

python python-3.x pyqt5

asked by Revsky01 08.03.2018 в 21:25

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1 answer

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score 0 · Accepted Answer

Try the following:

import sys
from PyQt5.QtWidgets import (QMainWindow, QApplication ,QLabel, 
                             QGraphicsEffect, QVBoxLayout, 
                             QGraphicsDropShadowEffect, QGraphicsBlurEffect,
                             QWidget)                         # +
#from PyQt5 import uic
#from PyQt5.QtGui import *
#from PyQt5.QtCore import *
#from PyQt5 import QtGui

class Pinricpal(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)

        self.wid = QWidget()                                   # +
        self.setCentralWidget(self.wid)                        # +

        self.resize(97,98)
        self.verticalLayout = QVBoxLayout(self.wid)            # -self
        self.verticalLayout.setObjectName("Verticallayout")

        self.label = QLabel(self)     
        self.label.setText("Hello Revsky01")

        #self.shadow = QGraphicsDropSahowEffect()              # -
        self.shadow  = QGraphicsDropShadowEffect()             # +
        self.shadow.setBlurRadius(3)
        self.label.setGraphicsEffect(self.shadow)

        self.verticalLayout.addWidget(self.label)



app = QApplication([])
principal = Pinricpal()
principal.show()
app.exec_()