I have a small issue. I can make a widget's backgroud to be transparent by using following code.
self.setwindowFlags(Qt.WA_TranslucentBackground)
after applying this, I want to revert this to initial state by any event. Help me.
Try it:
import sys
from PyQt5 import QtWidgets, QtCore
class Widget(QtWidgets.QWidget):
def __init__(self, parent=None):
super(Widget, self).__init__(parent)
self.setAttribute(QtCore.Qt.WA_TranslucentBackground)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
self.widget = QtWidgets.QWidget(self)
self.widget.setStyleSheet('.QWidget {background-color: blue;}')
self.widget.setObjectName('widget')
self.widget.setFixedSize(700, 500)
close_button = QtWidgets.QPushButton('close window', clicked=self.close)
self.change_button = QtWidgets.QPushButton('change StyleSheet')
self.change_button.setCheckable(True)
self.change_button.toggled.connect(self.button_state_func)
layout = QtWidgets.QGridLayout(self.widget)
layout.addWidget(close_button)
layout.addWidget(self.change_button)
def button_state_func(self, state):
if state:
self.widget.setStyleSheet('QWidget#widget {background-color: transparent;}')
else:
self.widget.setStyleSheet('QWidget#widget {background-color: yellow;}')
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
w = Widget()
w.show()
sys.exit(app.exec_())