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GTK+ — The GTK toolkit
======================
General information
-------------------
GTK+ is a multi-platform toolkit for creating graphical user interfaces.
Offering a complete set of widgets, GTK+ is suitable for projects ranging
from small one-off projects to complete application suites.
GTK+ is free software and part of the GNU Project. However, the
licensing terms for GTK+, the GNU LGPL, allow it to be used by all
developers, including those developing proprietary software, without any
license fees or royalties.
The official download location
- https://download.gnome.org/sources/gtk+
The official web site
- https://www.gtk.org
The official developers blog
- https://blog.gtk.org
Information about mailing lists can be found at
- http://www.gtk.org/mailing-lists.php
Building and installing
-----------------------
In order to build GTK+ you will need:
- a C99 compatible compiler
- Python 3
- [Meson](http://mesonbuild.com)
- [Ninja](https://ninja-build.org)
You will also need various dependencies, based on the platform you are
building for:
- [GLib](https://download.gnome.org/sources/glib)
- [GdkPixbuf](https://download.gnome.org/sources/gdk-pixbuf)
- [GObject-Introspection](https://download.gnome.org/sources/gobject-introspection)
- [Cairo](https://www.cairographics.org)
- [Pango](https://download.gnome.org/sources/pango)
- [Epoxy](https://github.com/anholt/libepoxy)
- [Graphene](https://github.com/ebassi/graphene)
- [ATK](https://download.gnome.org/sources/atk)
- [Xkb-common](https://github.com/xkbcommon/libxkbcommon)
If you are building the X11 backend, you will also need:
- Xlib, and the following X extensions:
- xrandr
- xrender
- xi
- xext
- xfixes (optional)
- xcursor (optional)
- xdamage (optional)
- xcomposite (optional)
- [atk-bridge-2.0](https://download.gnome.org/sources/at-spi2-atk)
If you are building the Wayland backend, you will also need:
- Wayland-client
- Wayland-protocols
- Wayland-cursor
- Wayland-EGL
Once you have all the necessary dependencies, you can build GTK+ by using
Meson:
```sh
$ meson _build .
$ cd _build
$ ninja
```
You can run the test suite using:
```sh
$ meson test
```
And, finally, you can install GTK+ using:
```
$ sudo ninja install
```
Complete information about installing GTK+ and related libraries
can be found in the file:
```
docs/reference/gtk/html/gtk-building.html
```
Or [online](https://developer.gnome.org/gtk4/stable/gtk-building.html)
How to report bugs
------------------
Bugs should be reported to the GNOME [bug tracking system](https://bugzilla.gnome.org/enter_bug.cgi?product=gtk%2b).
You will need an account for yourself.
In the bug report please include:
* Information about your system. For instance:
- which version of GTK+ you are using
- what operating system and version
- for Linux, which distribution
- if you built GTK+, the list of options used to configure the build
And anything else you think is relevant.
* How to reproduce the bug.
If you can reproduce it with one of the test programs that are built
in the tests/ subdirectory, that will be most convenient. Otherwise,
please include a short test program that exhibits the behavior.
As a last resort, you can also provide a pointer to a larger piece
of software that can be downloaded.
* If the bug was a crash, the exact text that was printed out
when the crash occurred.
* Further information such as stack traces may be useful, but
is not necessary.
Contributing
------------
Patches should also be submitted to the bug tracking system. If the patch
fixes an existing bug, add the patch as an attachment to that bug report;
otherwise, enter a new bug report that describes the patch, and attach the
patch to that bug report.
Patches should be in Git-formatted form. You should use `git format-patch`
to generate them. We recommend using [git-bz](http://git.fishsoup.net/man/git-bz.html).
For more information on the recommended workflow, please read
[this wiki page](https://wiki.gnome.org/Git/WorkingWithPatches).
Please, follow the `CODING_STYLE` document in order to conform to GTK+'s
coding style when submitting a code contribution.
Release notes
-------------
The release notes for GTK+ are part of the migration guide in the API
reference. See:
- [3.x release notes](https://developer.gnome.org/gtk3/unstable/gtk-migrating-2-to-3.html)
- [4.x release notes](https://developer.gnome.org/gtk4/unstable/gtk-migrating-3-to-4.html)
Licensing terms
---------------
GTK+ is released under the terms of the GNU Lesser General Public License,
version 2.1 or, at your option, any later version, as published by the Free
Software Foundation.
Please, see the `COPYING` file for further information.
|
