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Tkinter Articles
Page 23 of 46
How to open an Excel Spreadsheet in Treeview widget in Tkinter?
An Excel Spreadsheet contains a set of information stored in the form of rows and columns. We can display and use the spreadsheet data in the Tkinter application using Treeview widget. The Treeview widget in Tkinter helps users to add and manipulate the data in the form of a table. However, to analyze and manipulate a large set of data, Python provides Pandas library which gives access to many inbuilt functions and methods to perform data analysis.For this example, we will follow these steps to display the Excel Data in Tkinter, Import the required Libraries such as Numpy, Pandas, and filedialog.Add a ...
Read MoreWhat is the best way to show data in a table in Tkinter?
Generally, we represent data in the form of tables. A table contains a set of rows and columns. Data gets stored sequentially in the form of rows and columns in a table.Let us suppose that we are building a Tkinter application such that we have to store the Student’s data somewhere in a table. The table structure contains 3 columns to store the First Name, Last Name, and Roll Number of students. To display this type of information, Tkinter provides a Notebook widget where we can store our data in the form of a Table.Example# Import the required libraries from tkinter ...
Read MoreHow to create a resizable Windows without title bar in Tkinter?
To create a tkinter window without title bar, we can use overrideredirect(boolean) property which disables the navigation panel from the top of the tkinter window. However, it doesn’t allow the user to resize the window instantly.If we are required to create a resizable window without the title bar programmatically, then we can use Sizegrip(parent) widget in Tkinter. The Sizegrip widget adds extendibility to the application that allows users to pull and resize the main window. To work with Sizegrip widget, we have to Bind the mouse buttons and a function that resizes the window whenever we pull the grip.Example# Import the required ...
Read MoreHow to switch between two frames in Tkinter?
In most cases, you need to have several screens to allow the user to switch between different segments of your program. One way to achieve this is to create separate frames that lie inside the main window.A-Frame widget is used to group too many widgets in the application. We can add separate widgets in two different frames. The user can switch to the frame from one to another by clicking the button.ExampleIn this application, we will create two separate frames greet frame and order frame. Each frame consists of two different objects. A Button will be used to switch between ...
Read MoreHow to open multiple filenames in Tkinter and add the file names to a list?
To open a file dialog in a tkinter application, tkinter provides the tkfiledialog package which creates a dialog box to interact with the external files located on the system. In order to work with filedialog, we have to first import the package using the following command, import tkinter.filedialog as fdTo open the explorer in the window, use asopenfilename(parent, title, **options) function. It will just pull the window and allow the user to select the file from the explorer. Once the file has been opened, we can define a function to print the list of all the selected files.Example# Import the required libraries ...
Read MoreHow to display a Listbox with columns using Tkinter?
To deal with lots of data in any application, Tkinter provides a Treeview widget. It has various features such as displaying data in the form of tables consisting of Rows and Columns.Treeview widget enables the user to add tables, insert data into it, and manipulate the data from the table. The Treeview widget can be constructed by defining the Treeview(parent, column, **options) constructor.Example# 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") s = ttk.Style() ...
Read MoreHow to move a Tkinter canvas with Mouse?
Tkinter Canvas widget is one of the versatile widgets in the Tkinter library. It is used to create different shapes, images, and animating objects. We can move images in a particular direction on the Canvas widget using the move() method.Define the image and the coordinates as a parameter in the move(Image, x, y) method to move the object in the Canvas. We declare images globally in order to move or change the position.We can follow these steps to allow our image to move within the canvas, First, define the Canvas widget and add images to it.Define the move() function to allow ...
Read MoreHow to Move an Image in Tkinter canvas with Arrow Keys?
Tkinter Canvas widget is one of the versatile widgets in the Tkinter library. It is used to create different shapes, images, and animating objects. We can provide a dynamic attribute to the image defined in a Canvas widget by using the move() method.Define the image and the coordinates as a parameter in the move(Image, x, y) method to move the Image in the Canvas. We declare images globally in order to track the Image location in the Canvas.We can follow these steps to make our image movable within the canvas, First, define the Canvas widget and add images to it.Define the move() function ...
Read MoreHow to create a directly-executable cross-platform GUI app using Python(Tkinter)?
Python is a programming language which can be used to create cross-platform applications that are supported in various operating systems such as Microsoft Windows, Mac OS, and Linux.To create a GUI-based application, we can use the Tkinter library. However, Python provides different modules and extensions which convert a program into an executable application.For Windows executables - PyInstaller, py2exeFor Linux executables - FreezeFor Max executables - py2appExampleFor this example, we will first install the PyInstaller module using pip in our Windows operating system. The module can be installed by using the command, pip install pyInstallerUsing this module, we will convert our application into ...
Read MoreHow to read multiple text files from a folder in Python?(Tkinter)
Python is capable of handling files, objects, and creating different applications. We can use Python's extensions and packages to build and develop fully featured applications.Suppose you want to control the files in your system; then Python provides an OS Module which has system-enabled functionalities to allow you interact with the files in the operating system.Let us see how we can read multiple text files from a folder using the OS module in Python.Import the OS module in your notebook.Define a path where the text files are located in your system.Create a list of files and iterate over to find if ...
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