Create Message Box with Tkinter

Dev Prakash Sharma
Updated on 04-May-2021 14:26:28

3K+ Views

In a particular application, we can create messagebox using messagebox method. Here is the list of messagebox we can create for a particular application, showinfo() - to show a general message on the screen.showwarning() - to show the warning to the user.showerror() - Display error message.askquestion() - Query the user through the messagebox.asktocancel() - Display the info to cancel an operation.askretrycancel() - Display the message to prompt the user to retry again or not.ExampleIn this example, we will create an application that will show an info message box after clicking a button.#Import required libraries from tkinter import * from tkinter ... Read More

Disable a ComboBox in Tkinter

Dev Prakash Sharma
Updated on 04-May-2021 14:25:48

4K+ Views

The Combobox widget is similar to the OptionMenu widget in Tkinter which gives the user a choice to select from the group of options. The Combobox widget allows users to select the option with an Entry widget that adds selected menu items from the dropdown list.We can Enable or Disable the options in the given Combobox widget by providing the state property. The state property forces to make a widget either active or disabled. To disable the Combobox widget, we have to set the state property as readonly or disabled.Example#Import the required Libraries from tkinter import * from tkinter import ttk ... Read More

Erase Everything from the Tkinter Text Widget

Dev Prakash Sharma
Updated on 04-May-2021 14:24:53

439 Views

Tkinter Text widget accepts and supports multiline user input. We can specify other properties of the Text Widget such as the width, height, background, border-width, and other properties as well.Let us suppose that we want to erase all the content in the given Text widget; then, we can use the delete("1.0", END) function.ExampleIn this example, we will insert some random text using random module in Python and erase using the delete() method.#Import the required Libraries from tkinter import * from tkinter import ttk import random #Create an instance of Tkinter frame win = Tk() #Set the geometry of Tkinter Frame ... Read More

Gray Out or Disable a Tkinter Frame

Dev Prakash Sharma
Updated on 04-May-2021 14:24:18

6K+ Views

A Tkinter frame widget can contain a group of widgets. We can change the state of widgets in the frame by enabling or disabling the state of its underlying frame. To disable all the widgets inside that particular frame, we have to select all the children widgets that are lying inside that frame using winfor_children() and change the state using state=(‘disabled’ or ‘enable’) attribute.ExampleIn this example, we will create a button and an entry widget. Initially, the state of entry widget is disabled. But when we click the button, it will enable all the widgets in the frame.#Import the required Libraries ... Read More

Insert Image in a Tkinter Canvas Item

Dev Prakash Sharma
Updated on 04-May-2021 14:23:41

30K+ Views

Tkinter canvas is the most versatile widget in the Tkinter library. It is used to create images, shapes, arcs, animating objects, and many more other works. In order to work and process the images, Python supports Pillow Package or PIL. We can add images in the canvas as the items using the create_image(width, height, image_location, options) method. We can also specify where the image should open in the window by defining the Positional arguments such as anchor(options) property.Example#Import the required Libraries from tkinter import * from PIL import Image, ImageTk #Create an instance of tkinter frame win = Tk() ... Read More

Insert Text at the Beginning of Text Box in Tkinter

Dev Prakash Sharma
Updated on 04-May-2021 14:23:16

11K+ Views

There are two types of Text editors that Tkinter supports -- the Entry widget and the Text widget. Tkinter text widgets are used to create the text editor where we can edit, add or delete the text whenever we need. We can create a text widget using the Text(parent) constructor. In order to insert a default text for the text widget, we can use the insert(INSERT, "text_to_insert") or insert("1.0", "text_to_insert") method after the text widget declaration.ExampleIn this example, we will insert the text at the beginning of the text box.#Import the required Libraries from tkinter import * #Create an instance ... Read More

Open PIL Image in Tkinter on Canvas

Dev Prakash Sharma
Updated on 04-May-2021 14:22:38

6K+ Views

Pillow package (or PIL) helps a lot to process and load images in Python projects. It is a free open-source library available in Python that adds support to load, process, and manipulate the images of different formats.In order to open the Image in Tkinter canvas, we have to first import the library using from PIL import Image, ImageTk command. To display the image in our Tkinter application, we can use the Canvas widget by specifying the image file in the create_image(x, y, image) method.Example#Import the required Libraries from tkinter import * from PIL import Image, ImageTk #Create an instance of ... Read More

Set Widget's Size in Tkinter

Dev Prakash Sharma
Updated on 04-May-2021 14:21:38

5K+ Views

Tkinter widgets are the building blocks of any Tkinter GUI application. It is one of the very useful components of the application that helps to structure the application functionality. Consider a case where we want to set the size (width and height) of any widget. Tkinter has built-in width and height properties defined in geometry manager. Each geometry manager has different ways to configure the widget’s property.For the pack geometry manager, we can specify the value of width in the constructor.However, there might be times when we want to add the advance padding (internal and external) in the widget which ... Read More

Set Focus for Tkinter Widget

Dev Prakash Sharma
Updated on 04-May-2021 14:21:13

12K+ Views

Tkinter has many inbuilt functions or methods that can be used to extend the functionality of any widget in the application. Sometimes, we need to change or modify the focus of any widget in the application which can be achieved by using the focus_set() method.This method sets the default focus for any widget and makes it active till the execution of the program.ExampleIn this example, we will set the focus on first Entry widget where we are required to Enter the name of the User.#Import the required Libraries from tkinter import * from tkinter import ttk #Create an instance of ... Read More

Set Min and Max Height or Width of a Frame in Tkinter

Dev Prakash Sharma
Updated on 04-May-2021 14:20:50

6K+ Views

In order to manage too many widgets in the window, we can use Frame widgets in Tkinter. In order to place the widgets inside the frame widget, we have to set the relative width and height of the frame. To configure the relative height and width of the frame, we have to configure it using the place(relx, rely) method.Now, let us create a frame and add a button to it.Example#import required libraries from tkinter import * from tkinter import ttk #Create an instance of Tkinter frame win= Tk() #Set the geometry of the window win.geometry("750x250") #Create a LabelFrame ... Read More

Advertisements