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.

GTK is a widget toolkit. Each user interface created by GTK consists of widgets. This is implemented in C using GObject, an object-oriented framework for C. Widgets are organized …

GTK is a free and open-source cross-platform widget toolkit for creating graphical user interfaces.

GTK is a widget toolkit. Each user interface created by GTK consists of widgets. This is implemented in C using GObject, an object-oriented framework for C. Widgets are organized …

Below are some examples to get you started with GTK programming. Note: We assume that you have GTK, its dependencies and a C compiler installed and ready to use. If you need to build …

This method provides scripts to build the GTK stack from source and outputs libraries and tools that can be consumed by Visual Studio or Meson based projects. We assume that you are …

#GTK_WINDOW_POPUP is used to implement widgets such as GtkMenu or tooltips that you normally don’t think of as windows per se. Nearly all windows should be …

In order to install GTK for GNU/Linux and Unix systems, you will need to get the GLib, GObject-Introspection, Pango, Gdk-Pixbuf, ATK and GTK packages to build GTK. To read more about …

GTK 4.14 will be released very soon, with new renderers that were introduced earlier this year. The new renderers have much improved support for fractional scaling—on my system, I now …

GTK is the primary library used to construct user interfaces. It provides user interface controls and signal callbacks to respond to user actions. GTK API reference