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Articles by Dev Prakash Sharma
Page 10 of 42
How to change Entry.get() into an integer in Tkinter?
The Entry widget in Tkinter is generally used to accept one-line input in the text field. We can get the output from the Entry widget using .get() method. However, the .get() method returns the output in string format. For example, if the user types an integer number in the Entry widget, it gets converted to a string. To change the type of the Entry input into an integer, we can cast the string to an integer.ExampleIn this example, we have shown how to calculate the sum while taking an integer input from the user.# Import the required libraries from tkinter ...
Read MoreHow to configure default Mouse Double-Click behavior in a Tkinter text widget?
The Text widget in Tkinter is used to add a text editor-like functionality in the application. The Text widget supports multiline user input from the user. We can configure the text widget properties such as its font properties, text color, background, etc., by using the configure() method.The Text widget also provides tagging through which we can make a selection of text. To extend this functionality, we can also bind the Double-Click button that will possess the event for selecting a Word at a time.ExampleLet us have a look at the example, where we have disabled the double mouse-click button to ...
Read MoreHow to hide a widget after some time in Python Tkinter?
Tkinter is a standard Python library for developing GUI-based applications. We can create games, tools, and other applications using the Tkinter library. To develop GUI-based applications, Tkinter provides widgets.Sometimes, there might be a requirement to hide a widget for some time. This can be achieved by using the pack_forget() method. When we pack the widget in the window using the various methods, we have to use the same method for hiding the widget.Example# Import the required libraries from tkinter import * from PIL import Image, ImageTk # Create an instance of tkinter frame or window win=Tk() # Set ...
Read MoreHow to change the TKinter canvas line from dash to solid?
Canvas widget is one of the most widely used widgets for graphical representation in a Tkinter application. To display a line in the Canvas widget, we can use the built-in library method create_line(x1, y1, x2, y2, **options).We can also specify the type of line using the dash property. To change the line type from solid to dash dynamically, we can use configure() method. By passing an empty value to the dash property, we can change the line from solid to dash.ExampleLet us take an example to see how it works.# Import the required libraries from tkinter import * from tkinter ...
Read MoreHow to get the current length of the Text in a Tkinter Text widget?
The Text widget in Tkinter supports multiline user input from the user. We can configure the Text widget properties such as its font properties, text color, background, etc., by using the configure() method.To create an application that will count the currently written characters in a Text widget, we can follow these steps −Create a Text widget and define its width and height properties.A label widget is needed to display the total count of the characters.Define an event with and functionality and that will show the updated character count in the label widget.The function will have a label configuration ...
Read MoreHow to change the mouse pointer color in Tkinter?
Tkinter is a standard Python library for developing GUI-based applications. We can change the properties of its widgets by using the built-in functions and methods. In some applications, the properties affect the mouse pointer as well.Tkinter provides us a way to change the mouse pointer color in the window. To configure the mouse pointer color, we can specify the cursor value with (cursor type and its color). For example, to change the cursor color in a label widget, we can specify the value as, cursor="plus #aab1212" where "plus" defines the cursor type and #aab1212 is the Hex value of the ...
Read MoreHow can I identify when a Button is released in Tkinter?
In Tkinter, events are generally called by buttons or keys. Whenever the user presses an assigned key or clicks an assigned button, the events get executed. To execute the events, we can bind a button or a key with the callback function.Consider an application where we need to trigger an event whenever we release the mouse button. This can be achieved by passing the parameter in the bind(, callback) method.Example# Import the required libraries from tkinter import * # Create an instance of tkinter frame or window win=Tk() # Set the size of the window win.geometry("700x350") ...
Read MoreHow to highlight the current line of a Text widget in Tkinter?
We can use the Tkinter text widget to accept multiline user input. We can insert text, display information, and get the output from the text widget.To highlight the currently selected text in a text widget, we can use the tag_add() method that adds a tag in the current text only.Example# Import the required library from tkinter import * # Create an instance of tkinter frame win=Tk() # Set the geometry win.geometry("700x350") # Add a text widget text=Text(win, width=80, height=15, font=('Calibri 12')) # Set default text for text widget text.insert(INSERT, "Tkinter is a Python Library to create ...
Read MoreHow do I print and have user input in a text box in Tkinter?
We can use the Tkinter text widget to insert text, display information, and get the output from the text widget. To get the user input in a text widget, we've to use the get() method. Let's take an example to see how it works.Example# Import the required library from tkinter import * from tkinter import ttk # Create an instance of tkinter frame win=Tk() # Set the geometry win.geometry("700x350") def get_input(): label.config(text=""+text.get(1.0, "end-1c")) # Add a text widget text=Text(win, width=80, height=15) text.insert(END, "") text.pack() # Create a button to get the text input b=ttk.Button(win, ...
Read MoreHow to get an element to stick to the bottom-right corner in Tkinter?
Tkinter has many inbuilt features, functions, and methods that we can use to construct the GUI of an application. It is necessary to know how we can set the position of a particular widget in the application so that it becomes responsive in nature.Tkinter also provides geometry managers through which we can set the position of elements and widgets. The Place geometry manager is used for configuring the position of complex widgets.ExampleLet us suppose that we want our widget position to the bottom-right of the application window, then we can use place geometry manager with anchor property.# Import the required ...
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