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PyQt5 QColorDialog – Making color done
  • Last Updated : 24 Jun, 2020

In this article we will see how we can done the color in the QColorDialog widget. This closes the dialog and sets its result code to r. The finished signal will be emitted, if r is QDialog::Accepted or QDialog::Rejected, the accepted or the rejected signals will also be emitted, respectively.

In order to do this we use done method with the QColorDialog object

Syntax : dialog.done(1)

Argument : It takes integer as argument if 0 is passed it will reject the color if 1 is passed it will accept the color

Return : It returns None



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):
        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 current color to the dialog
        dialog.setCurrentColor(Qt.red)
  
        # making color done
        dialog.done(1)
  
        # 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;"
                            "}")
  
        # getting the selected color
        color = dialog.selectedColor()
  
        # setting graphic effect to the label
        graphic = QGraphicsColorizeEffect(self)
  
        # setting color to the graphic
        graphic.setColor(color)
  
        # setting graphic to the label
        label.setGraphicsEffect(graphic)
  
        # setting text to the label
        label.setText("Accepted Color : " + str(color))
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

In this implementation we didn’t execute the color dialog because we set the current color and accept the color programmatically will make it selected color instead of white which is default by calling the done method

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