Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In order to work with Tabs and separate your workflow in an application, Tkinter provides a Notebook widget. We can use the Notebook widget to create Tabs in an application. Tabs are useful to isolate one particular frame or event from another.Generally, Notebook widget can be configured and styled using the ttk themed widget. So, to style a Notebook widget, we pass TNotebook and TNotebook.Tab parameters in the configuration. If we click on a particular Tab, there may appear some rectangular dashed line which can be removed.Example# Import the required library from tkinter import * from tkinter import ttk ... Read More
Tkinter has many inbuilt features and attributes that help the application developer to build a robust and featured application. We can set the attributes such as background color, foreground color, and other properties of a widget using the configure method in Tkinter.To set the background color or foreground color of a widget, we can use both default and RGB color codes. RGB is defined by the 6 digit alphanumeric character containing different digits of R, G, B values. In order to use RGB color codes in tkinter, we have to define it using the format #aab123.Example# Import the required libraries ... Read More
Tkinter Events are very useful for making an application interactive and functional. It provides a way to interact with the internal functionality of the application and helps them to rise whenever we perform a Click or Keypress event.In order to schedule the events in tkinter, we generally use the bind('Button', callback) method. We can bind any key to perform certain tasks or events in the application. To bind the Esc key such that it will close the application window, we have to pass the Key and a callback event as the parameter in the bind(key, callback) method.Example# Import the required ... Read More
Dialog Boxes are a very essential component of any application. It is generally used to interact with the user and the application interface. We can create dialog boxes for any tkinter application using the Toplevel window and other widgets. The toplevel window pops up the stuff above all the other windows. Thus, we can add more stuff on the toplevel window for building dialog boxes.ExampleIn this example, we have created a modal dialog which has two parts, Initialization of the Toplevel window.Function Definition for Popup Dialog Event.Adding widgets in the Toplevel window.Function Definition for Dialog options.# Import required libraries from ... Read More
Generally, Tkinter treeview widget is used to draft or construct tables for the given data points in the input. We can even add items in the treeview widget to maintain a nested list in an application. If we want to remove or clear all the items in a given treeview widget, then we have to first select all the items present in the treeview widget using get_children() method.Once we have selected all the treeview items programmatically, then we can delete the items using delete(item) method. In order to get all the children, we can use the delete() method inside a loop.Example# ... Read More
Tkinter is a Python library which is used to create and develop GUI-based applications.Let us suppose that we have to create an application such that we can show or hide the widgets.In order to display/show the widget, use pack() geometry managerTo hide any widget from the application, use pack_forget() method.ExampleLet us take this example to understand how to show/hide widgets −# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame win = Tk() # Set the size of the tkinter window win.geometry("700x350") # Define the style for ... Read More
Tkinter supports ttk widget which is used to change the style and properties of any widget in a tkinter application. We can set the background color, foreground color, and other attributes of the Combobox widget by visiting the configure function in ttk and passing 'TCombobox' as the first parameter.ExampleIn this example, we will set the background color of the Combobox widget by defining its values in the ttk widget.# Import the required libraries from tkinter import * from tkinter import ttk # Create an instance of tkinter frame win = Tk() # Set the size of the tkinter ... Read More
The ttk themed widget in Tkinter is introduced to design the external properties and styles of a widget in application. The ttk uses Tcl/Tk interpreter to give the user access to the interface that has many inbuilt attributes and features useful for any widget or application. Now, if we compare Ttk themes with Tcl themes, there are lots of variations in it.Ttk generally supports only a few themes which are as follows −winnativeclamaltdefaultclassicvistaxpnativeIn order to change the overall theme of a tkinter application, we have to use the style.theme_use(theme_name) function.Example# Import the required libraries in tkinter from tkinter import * ... Read More
Python has a rich library of extensions and modules which are used for multiple purposes. To work with web-based content, Python provides a webbrowser module. The module creates an environment which enables the user to display web-based content in the application. To work with webbrowser, you have to make sure that it is installed in your local machine.import webbrowserIf the module is not available in your environment, then you can install it using the following command −pip install webbrowserExampleUsing the webbrowser module in our program, we will open an URL in our web browser. To open the URL in a ... Read More
Tkinter Events are very useful for any application where we need to perform a certain task or action. In Tkinter, the events are generally created by defining the function which contains the piece of code and the logic for the certain event. To call the event, we generally bind the Event with some Keys or a Button widget. The bind function takes two parameters ('', callback) which enable the button to trigger the event.Using the same approach in the following example, we will trigger a popup message by pressing the key combination .Example# Import the required libraries from tkinter import ... Read More