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If you want to create a dropdown list of items and enable the items of list to be selected by the user, then you can use the Combobox widget. The Combobox widget allows you to create a dropdown list in which the list of items can be selected instantly. However, if you want to get the index of selected items in the combobox widget, then you can use the get() method. The get() method returns an integer of the selected item known as the index of the item.ExampleLet’s take an example to see how it works. In this example, we ... Read More
There are various methods and built-in functions available with the messagebox library in tkinter. Let's assume you want to display a messagebox and take some input from the user in an Entry widget. In this case, you can use the askstring library from simpledialog. The askstring library creates a window that takes two arguments, the title of the window, and the input title before the Entry widget. Let's take an example to understand how it works.Example# Import the required library from tkinter import * from tkinter.simpledialog import askstring from tkinter.messagebox import showinfo # Create an instance of tkinter frame ... Read More
If you want to display a list of items that contains some columns in it, then you can use the Treeview widget in Tkinter. The Treeview widget allows the user to add a large number of lists along with the properties that can be customized instantly.If you want to attach a vertical scrollbar to the list of items in a Treeview widget, then you can define a constructor of Scrollbar and configure it by adding the command to it. Let’s take an example and see how it works.Example# Import the required libraries from tkinter import * from tkinter import ttk ... Read More
The Treeview widget is used to display a list of items with more than one feature in the form of columns. By default, the listed items in a Treeview widget can be selected multiple times, however you can disable this feature by using selectmode="browse" in the Treeview widget constructor. The Treeview widget can be implemented by using the Treeview(root, column, **options) constructor.ExampleThe following example demonstrates how to disable multiselection in a Treeview widget.# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame win=Tk() # Set the size of ... Read More
The Combobox widget is one of the versatile widgets in tkinter that is used to create a dropdown list containing some values in it. You can select a value from the dropdown list that gets replaced by the default value of the combobox widget. You can create a combobox widget by initializing the constructor of Combobox(root, width, text) widget.Consider the case, if the user wants to clear the selected value from the combobox widget, the only way you can do so is to set the value of the combobox widget as NULL by using the set (' ') method. The ... Read More
There are various built-in functions, widgets and methods available in the tkinter toolkit library which you can use to build robust and powerful desktop applications. The Button widget in tkinter helps users in creating buttons and performing different actions with the help of its functions. You can also bind the buttons to perform some specific events or callback by using the bind("button", callback) method.ExampleConsider the following example. to create a function that prints a message on the screen whenever the user presses the key. To bind the key with the function, you can use the bind("", callback) method.# ... Read More
Tkinter offers many built-in functions and methods that contain several utility functions to help us construct a user-friendly application. In tkinter, if you want to open a webpage, you can use the built-in Python library, webview, which allows the users to view the HTML content in its own native GUI window. You can install the webview library by using the following command −pip install pywebviewTo create a window that will open the requested HTML content, you have to first create a window container by using the create_window(win_title, 'URL') method and specify the URL in the method. This will create a ... Read More
In Tkinter, the toplevel widget is used to create a popup modal window. The popup window created by the toplevel window works similar to the default window of the tkinter application. It can have widgets such as text widget, button widget, canvas widget, frame, etc.The size and position of the toplevel window can be decided by making it flexible throughout the screen. In the toplevel window, all the widgets are always placed on top of the other windows.You can use root.winfo_x() and root.winfo_y() to get the position of the root window. Then, you can use the geometry method to position ... Read More
Tkinter provides many built-in widgets which can be used to create highlevel desktop applications. The LabelFrame widget is one of them, which allows the users to add a labelled frame. The Label is another widget in the LabelFrame, which is used to add text or images in a frame or any container.There are two main components of the LabelFrame widget, The Title Bar (also known as the text of the LabelFrame widget).The content (the content of the LabelFrame widget. You can add an image, or text as the content inside the LabelFrame widget.)To define a LabelFrame widget, you’ll need to ... Read More
APIs are extremely useful in implementing a service or feature in an application. APIs help to establish the connection between the server and a client, so whenever a client sends a request using one of the API methods to the server, the server responds with a status code (201 as a successful response) to the client.You can make a request to any API you want using one of the methods (GET, POST, PUT or DELETE). However, if you want to create an application where you need a request to the server using one of the publicly available API (for example, ... Read More