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Articles on Trending Technologies
Technical articles with clear explanations and examples
How 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 and provides various configuration options. 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 bind the Double-Click button event to customize the selection behavior, such as selecting a word or entire text at a time. Default Double-Click Behavior By default, double-clicking ...
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(), grid_forget(), or place_forget() methods depending on how the widget was placed. We can also use the after() method to delay the hiding action. Using pack_forget() Method When a widget is placed using pack(), use pack_forget() to hide it ? import tkinter as tk # ...
Read MoreHow to change the TKinter canvas line from dash to solid?
The 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 specify the line type using the dash property. To change the line type from dash to solid dynamically, we can use the itemconfig() method. By passing an empty tuple () to the dash property, we can change the line from dash to solid. Basic Example Let's create a dashed line and change it to solid when a ...
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 that will show the updated character count in the label widget. ...
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 ...
Read MoreHow can I identify when a Button is released in Tkinter?
In Tkinter, events are triggered by user interactions like button clicks or key presses. To detect when a mouse button is released, you can use the event binding. This is useful for applications that need to respond differently to button press and release actions. Button Release Event Syntax The bind() connects events to callback functions − widget.bind("", callback_function) Where detects left mouse button release. You can use for middle button and for right button. Example Here's a complete example that responds to both button press and release events ...
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 current line or selected text in a Text widget, we can use the tag_add() method that adds a tag to specific text ranges, combined with tag_configure() to define the highlighting style. Basic Text Highlighting Here's how to highlight specific text in a Text widget ? import tkinter as tk # Create an instance of tkinter window win = tk.Tk() win.geometry("700x350") # Add a text ...
Read MoreHow do I print and have user input in a text box in Tkinter?
Tkinter's Text widget allows you to create multi-line text input areas and display information. You can retrieve user input using the get() method and display content using insert(). Here's how to create an interactive text box application. Basic Text Widget Example This example creates a text box where users can type, and clicking "Print" displays the content in a label ? # 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") win.title("Text Widget Example") def ...
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 with precise control over their placement. Using place() with anchor Property To position a widget at the bottom-right corner, we can use the place() ...
Read MoreHow to align text to the right in ttk Treeview widget?
The Treeview widget displays data in a hierarchical table structure with rows and columns. By default, text in Treeview columns is left-aligned, but you can control alignment using the anchor property. To align text to the right in a ttk Treeview widget, use the anchor parameter with the value "E" (East) when configuring columns. This property controls the position of text within each column cell. Syntax tree.column("column_id", anchor="E") Anchor Values The anchor parameter accepts the following values ? Value Alignment Description "W" Left West (default) "CENTER" ...
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