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Create radio button in Tkinter Python

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by vinitharaguram dot icon Updated: Jul 20, 2023

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The Python Tkinter library has a widget called Tkinter Radiobutton. It enables users to choose one item from a group of limited options. It is a component of the Tkinter family of input widgets. It is used in GUI applications to give users a choice among many options. Only one button can be selected at a time while using the Radio button widget, which has many buttons. A circle appears when the button is clicked and shows a radio button's selection status. The previous button is removed if another button within the same group is selected.  

 

It enables users to choose a single variable from a list of alternatives. It has been predefined, ensuring that only one option can pick one at a time. This feature makes it particularly useful in situations. It is where the user's choice needs to be offered only a few choices. 

 

There are many situations in which the radio button can be used, such as:  

  • Single-choice selection  
  • Preference settings  
  • Form input  
  • Filtering and sorting  
  • Multistep methods, and  
  • Game interfaces. 


Radio buttons offer several design options:  

  • Simple text labels,  
  • Image-based options,  
  • Customization possibilities to match the theme of the GUI application. 


This allows for more dynamic and interconnected user interfaces. Modifying Colors, fonts, and borders can customize radio buttons. It allows developers to create appealing and consistent interfaces. Radio buttons use a selection indicator to represent the selected option. 

 

The tkinter buttons can suit specific design requirements. The text displayed next to each Radio button can be customized. You can change the font type, size, active & normal colors, and alignment to match the desired style. You can change the radio button indicator's size, shape, and color. It represents the selected variable option. This allows you to create unique check button styles. It aligns with your application's visual design. 

 

Tkinter provides style class options to customize the Radio button's appearance further. You can change the background, foreground, border color, and width. These properties enable you to match the Radio button with the theme or color scheme. Instead of using text labels and line text, Radio buttons can be customized. It displays icons, graphical or image objects. You can associate an image option or icon with each Radio button option. It helps enhance the user experience. 

 

Radio buttons can be bound to mouse cursor key presses to trigger custom actions. It provides layout managers. It allows you to control the arrangement of Radio buttons within the GUI interface. You can customize the layout to align Radio buttons in rows, columns, or grids. This allows you to retrieve and manipulate the selected. 

Here is an example of Create radiobutton in Tkinter Python

Fig: Preview of the output that you will get on running this code from your IDE

Code

In this solution we are using Tkinter library

Tkinter-How to add a Canvas/Frame in ttk.Notebook()

PythondotLines of Code : 36dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
import tkinter as tk
from tkinter import ttk

root = tk.Tk()
root.title('Scroll Bar Test')
root.geometry('500x400')

# Create NoteBook
book = ttk.Notebook(root)
book.pack(fill=tk.BOTH, expand=1)

# Create Main Frame
main_frame = tk.Frame(book)
# put the main frame into notebook
book.add(main_frame, text='Tab 1')

# Create canvas inside main frame
my_canvas = tk.Canvas(main_frame)
my_canvas.pack(side=tk.LEFT, fill=tk.BOTH, expand=1)

# Create ScrollBar inside main frame
my_scrollbar = ttk.Scrollbar(main_frame, orient=tk.VERTICAL, command=my_canvas.yview)
my_scrollbar.pack(side=tk.RIGHT, fill=tk.Y)

my_canvas.configure(yscrollcommand=my_scrollbar.set)

# Creating internal frame for the buttons
main = tk.Frame(my_canvas)
main.bind('<Configure>', lambda e: my_canvas.configure(scrollregion=my_canvas.bbox("all")))
my_canvas.create_window((0,0), window=main, anchor="nw")

for i in range(100):
    tk.Button(main, text=f'Button {1+i} Yoo!', font='arial 15').pack()

root.mainloop()

Instructions

Follow the steps carefully to get the output easily.


  1. Download and Install the PyCharm Community Edition on your computer.
  2. Open the terminal and install the required libraries with the following commands.
  3. Install Tkinter- pip install Tkinter
  4. Create a new Python file on your IDE.
  5. Copy the snippet using the 'copy' button and paste it into your Python file.
  6. Remove the below mentioned parts of the code for better understanding

7.Run the current file to generate the output.



I hope you found this useful. I have added version information and depending libraries in the following sections.

"Tkinter-How to add a Canvas/Frame in ttk.Notebook()" in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. PyCharm Community Edition 2023.1
  2. The solution is created in Python 3.11.1 Version
  3. Tkinter 1.0.7 Version



Using this solution, we can able to create a virtual event in Tkinter Python with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to create a virtual event in Tkinter Python.


Dependent Library


Tkinter-Designerby ParthJadhav

Python doticonstar image 5885 doticonVersion:v1.0.7doticon
License: Permissive (BSD-3-Clause)

An easy and fast way to create a Python GUI 🐍

Support
    Quality
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            Tkinter-Designerby ParthJadhav

            Python doticon star image 5885 doticonVersion:v1.0.7doticon License: Permissive (BSD-3-Clause)

            An easy and fast way to create a Python GUI 🐍
            Support
              Quality
                Security
                  License
                    Reuse

                      You can search for any dependent library on kandi like 'Tkinter'.

                      FAQ:  

                      1. What is a radio button indicator, and how does it work in Tkinter Button?  

                      In Tkinter, a radio button indicator refers to a small graphical element. It represents the selected state of a radio button. It indicates which option has been chosen from a group of radio buttons. The radio button indicator is a small circle. It can be either filled or empty, depending on its selection state. When a radio button is selected, its indicator indicates the active choice. Conversely, when a radio button is deselected, its indicator is empty.  

                       The radio button indicator uses the Button widget and its associated variable. Tkinter provides a special variable called a "control variable" or "selection variable." It is associated with a group of radio buttons. This variable is used to store the value of the selected radio button within the group. 

                       

                      2. How can I add an Entry widget to my Tkinter radio button program?  

                      To add an Entry widget to your Tkinter Radio button program, you can follow these steps:  

                      • Import the tkinter modules. 
                      • Create the main Tkinter window.  
                      • Create a control variable to store the selected value from the Radio buttons.  
                      • Create Radiobuttons and associate them with the control variable.  
                      • Create an Entry widget.  
                      • Define a function to retrieve and display the selected value in the Entry widget.  
                      • Create a button to trigger the display function.  
                      • Pack the Radio buttons, Entry widget, and button into the main window. 
                      • Start the Tkinter event loop.  

                       

                      3. How do I create a check button showing selected options?  

                      To create a Check button widget that shows the selected options follow these steps:  

                      • Import the required modules. 
                      • Create the main Tkinter window. 
                      • Create control variables for each option. 
                      • Create Check buttons and associate them with the control variables.  
                      • Define a function to display the selected options.  
                      • Create a button to trigger the display function.  
                      • Pack the Check buttons and the button into the main window.  
                      • Start the Tkinter event loop.  


                      4. Can I use a graphical or image object for my radio button selection?  

                      Yes, you can use a graphical or image object as part of your radio button selection in Tkinter. Tkinter provides the compound option for the Radio button widget. It allows you to combine text and image elements within the radio button.  

                       

                      5. Is it possible to set different active and normal colors for the radio buttons in Tkinter?  

                      The Radio button widget does not provide direct options. It helps set different active and normal colors for the radio buttons. The Radio buttons inherit the color scheme of the parent widget or the default system colors. But you can achieve the desired effect by customizing the appearance using techniques:  

                      • Custom Style  
                      • Custom Images  
                      • Custom Drawing 

                       

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