There are only two mainstream solutions for building the graphical interface of Linux-based desktop applications, and GTK+ (GIMP Toolkit) is one of them. As the standard for the GNOME and XFCE desktop environments, it is a necessary technology for all Linux programmers.
Foundations of GTK+ Development guides the reader through the complexities of GTK+, laying the groundwork that allows the reader to make the leap from novice to professional. Beginning with an overview of key topics such as widget choice, placement, and behavior, readers move on to learn about advanced issues such as custom widget creation. Replete with real-world examples, the developer can quickly take advantages of the concepts presented within to begin building his own projects.