This pages is a collection of information regarding the implementation of icons inside of Inkscape.
Inkscape's interface makes extensive use of custom icons, and now provides a few mechanisms and different code to handle them. Over the years this area has seen distinct approaches taken, and has needs to move completely away from legacy approaches.
Aside from the state of the code, this section also covers some of the details on themes and how to and and implement icons, along with some of the internal details and design issues related to the implementation.
Also see ApplicationIcons