Tkinter GUI Application Development Blueprints, Second Edition - Second Edition

The icons toolbar and View menu functions

In this iteration, we will add the following functionalities to the text editor:

• Showing shortcut icons on the toolbar
• Displaying line numbers
• Highlighting the current line
• Changing the color theme of the editor

Let's start with a simple task first. In this step, we will add shortcut icons to the toolbar, as shown in the following screenshot:

You may recall that we have already created a frame to hold these icons. Let's add these icons now.

While adding these icons, we have followed a convention. The icons have been named exactly the same as the corresponding function that handles them. Following ...