slackbuilds_ponce/libraries/gtkmm3
..
gtkmm3.info
gtkmm3.SlackBuild
README
slack-desc

gtkmm is the official C++ interface for the popular GUI library
GTK+. Highlights include typesafe callbacks, and a comprehensive set
of widgets that are easily extensible via inheritance. You can create
user interfaces and there's extensive documentation, including
including API reference and a tutorial.