Intro Apart from setting up a new open source project, it is important to understand how the application works in order to make the changes you need. In this blog I will go over how I find code, understand the application, and my progress so far with the Selection Action Bar. Searching code One Stop Shop for Searching Command Line grep -rn "<string_to_search>" QTCreator ctrl + f crtl + shift + f Debug in C++ code qDebug()<<"[Debug] <string_to_display_for_debugger> << <additional_parameters>; ...