gtkmm2-tutorial
C++ Bindings for GTK+ -- Tutorial
Gtkmm provides a C++ interface to the GTK+ GUI library. gtkmm wraps GTK+. Highlights include typesafe callbacks, widgets extensible via inheritance, and a comprehensive set of widget classes that can be freely combined to quickly create complex user interfaces.
There is no official package available for openSUSE Leap 15.5배포판
openSUSE Tumbleweed
SUSE SLE-15-SP1
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The following distributions are not officially supported. Use these packages at your own risk.