Dev Prakash Sharma has Published 556 Articles

How to interactively validate an Entry widget content in tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 16-Apr-2021 06:52:46

1K+ Views

Validating the content is a necessary part of any featured application where we allow only the required data to be processed. An Entry Widget in tkinter is used to display single line text Input. However, we can validate the Entry widget to accept only digits or alphabets.Let us first create ... Read More

How to highlight text in a tkinter Text widget?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 16-Apr-2021 06:50:53

4K+ Views

Tkinter Text widget is used to create text fields that accept multiline user inputs. Let us suppose that in a text widget, we want to highlight some text. In order to highlight a specific text written in the text widget, tkinter provides the tag_add(tag, i, j) method. It adds tags to ... Read More

How to disable (grey out) a checkbutton in Tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:35:59

1K+ Views

Tkinter provides a variety of input widgets such as entry widget, text widget, listbox, combobox, spinbox, checkbox, etc. Checkboxes are used for taking validity input and the state gets active whenever the user clicks on the checkbutton. In terms of a particular application, we can enable and disable the state ... Read More

How to Disable / Enable a Button in TKinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:34:12

17K+ Views

There are various attributes and properties in each tkinter widget to help us extend the functionality of the application. Tkinter Button widgets can be enabled and disabled by defining its state in the Button Object. The state attribute generally accepts two values Normal and Disabled which are used for enabling ... Read More

How to create a timer using tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:28:45

8K+ Views

In this example, we will create a timer using Python Tkinter. For displaying time, we will use the Time Module in Python.Initially, we will follow these steps to create the timer, Create three entry widget each for Hours, Minute and Seconds and set the value ‘00’ by default.Create a Button ... Read More

How to Change Tkinter Frame Title?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:20:31

3K+ Views

Tkinter window is the native component of tkinter application that contains some frames, a group of widgets, and some other elements. A Tkinter frame has a group of too many widgets.Let us suppose that we have created a frame with some widgets and now we want to rename the title ... Read More

How to change the font and size of buttons and frame in tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:19:10

4K+ Views

Tkinter Button Widgets are a general way to provide Event Handling in a variety of applications. Sometimes, we may need to style the buttons which are defined in an application. In order to add styling in the button widgets, first create an instance of Button widget using a variable. Then, ... Read More

How to change the color of ttk button in Tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:08:57

5K+ Views

Tkinter widgets have a consistent look and style across all the platforms and operating systems. Ttk works like CSS in an HTML script. It has many inbuilt functions, modules and methods that add style to a regular tkinter widget. Tkinter ttk buttons generally have a default color scheme, thus we ... Read More

How to change text cursor color in Tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:07:01

1K+ Views

Tkinter Entry and text widgets are used to create single and multiline text input fields. In order to change the color of the cursor, we can specify the insertbackground property by assigning the color of the cursor.ExampleIn this example, we have created the text field and we have changed the ... Read More

How to bind a click event to a Canvas in Tkinter?

Dev Prakash Sharma

Dev Prakash Sharma

Updated on 15-Apr-2021 14:04:40

2K+ Views

The Canvas widget is undoubtedly the most powerful widget available in tkinter. It can be used to create and develop from custom widgets to a complete user interface. We can even bind the click event to handle the canvas and its object.ExampleIn this example, we will add an image inside ... Read More

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