Using Combobox Widget In Python GUI Application

Intro

In this blog, I am going to create a Combo box widget and option capturing function in Python GUI application. When a user chooses a list of options in the combo box and clicks the "Submit" button, the action will capture the option and display the option in button name.

Software requirement

Python 3.5 and IDLE (Python 3.5)

Programming code

#Python Combobox Application
import tkinter as tk
from tkinter import ttk
win = tk.Tk()
#Application Name
win.title("Python GUI App")
#Label Creation
ttk.Label(win, text="Choose the color:").grid(column=0,row=0)
#Button Action
def click():
action.configure(text="chosen color is : "+ numberChosen.get())
#button Creation
action = ttk.Button(win, text="Click", command=click)
action.grid(column=1,row=1)
#Combobox Creation
number= tk.StringVar()
numberChosen= ttk.Combobox(win, width=12, textvariable=number)
#Adding Values
numberChosen['values']=("Red","Blue","Green")
numberChosen.grid(column=0,row=1)
numberChosen.current()
#Calling Main()
win.mainloop()

About the code

• First, I am importing the tkinter module.
• Next, assign a class and variables and give application title.
• Next, create button and define button function.
• Next, create combo box and adding values in the code.
• Finally, I have started the Windows event loop by calling the mainloop method then execute the code.

Output