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PyQt5 QColorDialog – How to execute it ?

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  • Last Updated : 21 Jun, 2020

In this article we will see how we can execute the QColorDialog widget, executing means to opening it. There are basically two ways of opening the QColorDialog one is to call the getColor method, this is a static way that will open the new instance of QColorDialog every time, this way is useful for quick uses but not preferred. The second way is by executing it, how the QColorDialog looks like.

In order to do this we use exec_() method with the QColorDialog object

Syntax : dialog.exec_()

Argument : It takes no argument

Action Performed : It opens the QColorDialog widget

Below is the implementation

# 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):
        # setting title
        self.setWindowTitle("Python ")
        # setting geometry
        self.setGeometry(100, 100, 500, 400)
        # calling method
        # showing all the widgets
    # method for components
    def UiComponents(self):
        # creating a QColorDialog object
        dialog = QColorDialog(self)
        # executing the dialog
        # creating label to display the color
        label = QLabel("GfG", self)
        # setting geometry to the label
        label.setGeometry(100, 100, 200, 60)
        # making label multi line
        # setting stylesheet of the label
                            "border : 5px solid black;"
        color =
        # setting graphic effect to the label
        graphic = QGraphicsColorizeEffect(self)
        # setting color to the graphic
        # setting graphic to the label
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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