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Tkinter Articles
Page 10 of 46
How to stop event propagation in Python Tkinter?
Tkinter events are very powerful in handling the different objects and attributes of the widgets as well as the elements of an application. There are events such as mouse events and keyboard button events that can be handled by binding the event or callback function with the button. Let us assume that we are creating an application that has two events of clicking the objects defined in a canvas widget. The two objects are basically the shapes (a rectangle and an oval) defined inside the canvas. We can perform actions like the Button Click event to verify if the use ...
Read MorePython: How to update tkinter labels using a loop?
We normally use the Tkinter Label widget to display text and images in an application. Let us assume that we want to create an application such that the Label widget continuously gets updated with a value whenever the application executes. To achieve this, we will use a StringVar object and update its value using a while loop that will iterate as long as a particular condition satisfies. A StringVar object in Tkinter can help manage the value of a widget such as an Entry widget or a Label widget. You can assign a StringVar object to the textvariable of a ...
Read MorePython: How to put a border around an OptionMenu using Tkinter?
To save the contents of a Textbox in Tkinter, we can take the following steps − Create an instance of tkinter frame. Set the size of the frame using win.geometry method. Define a user-defined method "open_text" to open a text file in "read" mode. Read the contents of the text file and save it in a variable called "content". Then, use the "insert" method to insert the content in a Textbox. Next, define another user-defined method called "save_text" and in it, use the "write" method to save the contents of the textbox in the text file. Create ...
Read MoreHow to get the longitude and latitude of a city using Python?
To get the longitude and latitude of a city, we will use the geopy module. geopy uses third-party geocoders and other data sources to locate the coordinates of addresses, cities, countries, etc.First of all, make sure the geopy module is installed −pip install geopyIn the following example, we will use the Nominatim geocoder to find the longitude and latitude of the city "Hyderabad".Steps −Import Nominatim geocoder from geopy module.Initialize the Nominatim API and use the geocode method to get the location of the input string.Finally, get the latitude and longitude of the location by location.latitude and location.longitude.Example 1# Import the ...
Read MoreHow to put a border around a Frame in Python Tkinter?
To put a border around a Frame in Tkinter, we have to use the highlightbackground and highlightthickeness parameters while creating the Frame. Let's take an example and see how to use these two parameters.Steps −Import the tkinter library and create an instance of tkinter frame.Set the size of the frame using geometry() method.Create a frame with Frame() method. Highlight the border of the frame with a color, highlightbackground="blue". Then, set the thickness of the border, highlightthickness=2.Next, create some widgets inside the frame. In the example, we have placed four checkbuttons and a button inside the frame.Finally, run the mainloop of ...
Read MoreHow to convert PDF files to Excel files using Python?
Python has a large set of libraries for handling different types of operations. Through this article, we will see how to convert a pdf file to an Excel file. There are various packages are available in Python to convert pdf to CSV but we will use the tabula-py module. The major part of tabula-py is written in Java that reads the pdf document and converts the Python DataFrame into a JSON object.In order to work with tabula-py, we must have java preinstalled in our system. Now, to convert the pdf file to csv we will follow the steps-First, install the ...
Read MoreHow to place an image into a frame in Tkinter?
To place an image into a Tkinter frame, you can follow the steps given below −Steps −Import the required libraries and create an instance of tkinter frame. To open an image and place it inside the frame, we will use the Pillow (PIL) library.Set the size of the frame using geometry method.Create a frame and specify its height and width. Place the frame at the center of the window using place() method with anchor='center'.Open an image using ImageTk.PhotoImage(Image.open("image"))Next, create a label object inside the frame and pass the image inside the label.Finally, run the mainloop of the application windowExample# Import ...
Read MoreWeight Conversion GUI using Tkinter
Graphical User Interfaces (GUIs) are an integral part of modern software applications, providing an interactive and user-friendly experience. In this tutorial, we will explore how to create a Weight Conversion GUI using Tkinter, a popular Python library for creating GUI applications. Our Weight Conversion GUI will allow users to easily convert weights between different units such as kilograms (kg), pounds (lb), and ounces (oz). Let's start by setting up the project. Open your favorite text editor or integrated development environment (IDE) and create a new Python script file. Let's name it weight_converter.py. Importing Required Modules In our weight_converter.py file, we'll ...
Read MoreTreeview Scrollbar in Python-Tkinter
When working with hierarchical data in graphical user interfaces (GUIs), it's often necessary to display the data in a structured and organized manner. The Treeview widget in Python-Tkinter provides a powerful solution for presenting hierarchical data in a user-friendly way. However, as the number of items in the Treeview grows, it becomes crucial to include a scrollbar to ensure smooth navigation and usability. Firstly, ensure that you have Python and Tkinter installed on your system. Python 3 is recommended for compatibility and improved features. If you don't have Tkinter installed, you can easily install it using pip, the Python package ...
Read MoreHow to change Tkinter Window Icon
The Tkinter is a popular GUI(Graphical User Interface) library in Python that provides a simple and easy way to create a GUI application. In Python, we have some built−in functions such as Tk(), PhotoImage(), mainloop(), title(), and, wm_title() will be used to change the Tkinter Window Icon. Syntax The following syntax is used in the examples- Tk() This built−in method in Python creates the main window of the tkinter application. PhotoImage(file='image_address_link') The PhotoImage is a class in the tkinter module that allows displaying the image with the help of a parameter named file that sets the image location. ...
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