Editors like Leafpad, shown here, are often included with operating systems as a default helper application for opening text files. A text editor is a type of computer program that edits plain text. Such programs are sometimes known as "notepad" software, following the naming of Microsoft Notepad.Text editors are provided with operating systems and software development packages, and can be used to change configuration files, documentation files and programming language source code. Almost all text editor are made in c++ but i can build the text_editor with python using PyQt5 library. so you can download and go through at-least once. i also create some widgets in this PyQt5 window PyQt5 statusbar PyQt5 buttons PyQt5 messagebox PyQt5 textbox PyQt5 menu PyQt5 tabs PyQt5 horizontal layout PyQt5 grid layout PyQt5 load image PyQt5 color dialog PyQt5 colors Drag and drop PyQt5 font dialog PyQt5 form layout PyQt5 box layout
This text editor even works with all the shortcuts you have been using in your earlier text editor