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 this ...