PyQt5 QColorDialog - Setting Multiple Color Dialog Options

Last Updated : 24 Jun, 2020

In this article we will see how we can set multiple options of the QColorDialog widget. There are basically three dialog options available for the QColorDialog widget, below is the options 1. ShowAlphaChannel : Allow the user to select the alpha component of a color 2. NoButtons : Don't display OK and Cancel buttons 3. DontUseNativeDialog : Use Qt's standard color dialog instead of the operating system native color dialog By default all options are disabled, we can set single option with the help of setOption method Note : Options should be set before showing the dialog. Setting them while the dialog is visible is not guaranteed to have an immediate effect on the dialog (depending on the option and on the platform). In order to do this we use setOptions method with the QColorDialog object

Syntax : dialog.setOptions(QColorDialog.ShowAlphaChannel and QColorDialog.DontUseNativeDialog) Argument : It takes option objects as argument Return : It returns None

Below is the implementation

Python3 1==

# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys


class Window(QMainWindow):

    def __init__(self):
        super().__init__()

        # setting title
        self.setWindowTitle("Python ")

        # setting geometry
        self.setGeometry(100, 100, 500, 400)

        # calling method
        self.UiComponents()

        # showing all the widgets
        self.show()


    # method for components
    def UiComponents(self):

        # creating a QColorDialog object
        dialog = QColorDialog(self)

        # setting multiple options
        dialog.setOptions(QColorDialog.DontUseNativeDialog and QColorDialog.ShowAlphaChannel)

        # executing the dialog
        dialog.exec_()


        # creating label
        label = QLabel("GeeksforGeeks", self)

        # setting geometry to the label
        label.setGeometry(100, 100, 300, 80)

        # making label multi line
        label.setWordWrap(True)

        # setting stylesheet of the label
        label.setStyleSheet("QLabel"
                            "{"
                            "border : 5px solid black;"
                            "}")



# create pyqt5 app
App = QApplication(sys.argv)

# create the instance of our Window
window = Window()

# start the app
sys.exit(App.exec())