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 you need to …

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.

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 General …

Getting Started with GTK Building GTK Compiling GTK Applications on UNIX Running and debugging GTK Applications Common Questions Contact information and bug reports Initializing GTK Overview …

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

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 there are a …

The details are spelled out here. Summary GTK 4.22 will natively support SVG, including SVG animations. If you’d like to help improve this further, here are some some suggestions. If you would …

GTK includes an interactive debugger, called the GTK Inspector, which lets you explore the widget tree of any GTK application at runtime, as well as tweak the theme and trigger visual debugging aids.

When compiling GTK on Windows, this backend is the default. More information about GTK on Windows, including detailed build instructions, binary downloads, etc, can be found online.