GTK is a free and open-source project maintained by GNOME and an active community of contributors. GTK is released under the terms of the GNU Lesser General Public License.

This chapter contains some tutorial information to get you started with GTK programming. It assumes that you have GTK, its dependencies and a C compiler installed and ready to use. If …

Overview [src] GTK is a library for creating graphical user interfaces. It works on many UNIX -like platforms, Windows, and macOS. GTK is released under the terms of the GNU Lesser …

Migrating from GTK 3.x to GTK 4 [src] GTK 4 is a major new version of GTK that breaks both API and ABI compared to GTK 3.x. Thankfully, most of the changes are not hard to adapt to and …

Namespace Gtk – 3.0 The GTK toolkit ... [−] Build ... [−] Dependencies ... [−] Additional documentation

It provides common data types used in GTK, the main loop implementation, and a large set of utility functions for strings and general portability across different platforms.

The GTK Drawing Model Overview of the drawing model This chapter describes the GTK drawing model in detail. If you are interested in the procedure which GTK follows to draw its widgets …

GtkDropDown knows how to obtain strings from the items in a GtkStringList; for other models, you have to provide an expression to find the strings via gtk_drop_down_set_expression().

GTK widgets generally deal with the logical devices, and thus can be used with any pointing device or keyboard. When a user interacts with an input device (e.g. moves a mouse or …

If you’re lucky, this will all go smoothly, and you’ll be ready to start compiling your own GTK applications. You can test your GTK installation by running the gtk4-demo program that GTK …