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GTK is a multi-platform toolkit for creating graphical user interfaces.
60,271 Commits 969 Branches 749 Tags 504 MiB
C 90.4%
CSS 7.9%
Meson 0.5%
SCSS 0.4%
JavaScript 0.3%
Other 0.3%
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Timm Bäder 8d15efba8f cssarrayvalue: Allow calling array API on non-arrays 
Just allow calling _get_nth() and _get_n_values() on every kind of css
value. This way we can allow all values in places where only array
values would be allowed before.

This spares us around 1000 array values in the widget factory.

css value stats before:

GtkCssFilterValue: 3
GtkCssRgbaValue: 1092
GtkCssShadowValue: 708
GtkCssEaseValue: 33
GtkCssBorderValue: 2
GtkCssTransformValue: 11
GtkCssDimensionValue: 882
GtkCssShadowsValue: 584
GtkCssBgSizeValue: 23
GtkCssIdentValue: 25
GtkCssPositionValue: 81
GtkCssCornerValue: 556
GtkCssArrayValue: 1130
GtkCssStringValue: 33
GtkCssPaletteValue: 29
GtkCssImageValue: 2765
GtkCssColorValue: 1452
SUM: 9415

and after:

GtkCssBgSizeValue: 23
GtkCssIdentValue: 25
GtkCssPositionValue: 81
GtkCssCornerValue: 556
GtkCssArrayValue: 143
GtkCssStringValue: 33
GtkCssPaletteValue: 29
GtkCssImageValue: 2765
GtkCssColorValue: 1452
GtkCssFilterValue: 3
GtkCssRgbaValue: 1092
GtkCssShadowValue: 708
GtkCssEaseValue: 33
GtkCssBorderValue: 2
GtkCssTransformValue: 11
GtkCssDimensionValue: 882
GtkCssShadowsValue: 584
SUM: 8428

9415 to 8428 is a 987 reduction (10.4%)
2020-01-18 08:49:51 +01:00
.gitlab/issue_templates issue templates: reproducers should be written in C 2019-05-18 13:47:59 +02:00
.gitlab-ci CI: Install a newer MSYS2 pango package; Don't allow failures again 2019-12-18 09:25:06 +01:00
build-aux Add a flatpak manifest for org.gtk.IconBrowser4 2019-04-02 00:33:05 +00:00
demos demo: Use pinch translation in the gestures demo 2020-01-17 22:34:48 +02:00
docs Merge branch 'dnd-gestures-2' into 'master' 2020-01-11 06:09:58 +00:00
examples Rename GtkGestureMultiPress to GtkGestureClick 2019-05-29 17:10:46 +00:00
gdk Tweak the file transfer portal _again_ 2020-01-17 23:46:37 -05:00
gsk build: Check for sincosf() 2020-01-08 17:15:29 +08:00
gtk cssarrayvalue: Allow calling array API on non-arrays 2020-01-18 08:49:51 +01:00
modules Add missing (closure) GIR annotations 2020-01-13 14:26:50 +13:00
po Update Indonesian translation 2020-01-14 15:11:27 +00:00
po-properties Update Indonesian translation 2020-01-14 06:27:18 +00:00
subprojects meson: Update pango and gdk-pixbuf wrap locations 2018-07-23 20:17:04 +05:30
tests Update all callers 2020-01-11 00:50:22 -05:00
testsuite Remove the widget-factory test again 2020-01-18 00:27:52 -05:00
.gitignore .gitignore: Ignore all subdirs in the subprojects dir 2018-10-12 14:23:53 +05:30
.gitlab-ci.yml CI: Install a newer MSYS2 pango package; Don't allow failures again 2019-12-18 09:25:06 +01:00
AUTHORS small update 2006-03-24 03:09:08 +00:00
config.h.meson Remove NEED_XIPROTO_H_FOR_XREPLY check 2019-08-21 20:46:30 +02:00
CONTRIBUTING.md rename CODE-OWNERS to CODEOWNERS 2020-01-08 21:03:15 +01:00
COPYING Change FSF Address 2012-02-27 17:06:11 +00:00
gtk4-unix-print.pc.in Adjust some more pkg-config references for gtk+ to gtk rename 2019-02-06 09:56:08 +01:00
gtk4.pc.in gtk4.pc: Move third-party libraries from Libs to Libs.private 2019-07-18 09:24:41 +01:00
gtk.doap Rename project files 2019-02-06 10:42:50 +01:00
gtk.supp supp: Ignore calloc in the AMD driver 2020-01-07 17:27:16 +01:00
make-pot make-pot: Make it executable 2017-08-15 16:30:14 +02:00
meson_options.txt meson: Rename documentation option to gtk_doc 2019-07-01 20:16:37 -04:00
meson.build build: Check for sincosf() 2020-01-08 17:15:29 +08:00
NEWS NEWS: Updates 2019-05-02 22:20:31 +00:00
NEWS.pre-1.0 Split NEWS 2018-01-10 19:06:45 -05:00
NEWS.pre-2.0 Split NEWS 2018-01-10 19:06:45 -05:00
NEWS.pre-3.0 Split NEWS 2018-01-10 19:06:45 -05:00
README.md Rename some references to GTK+ 2019-02-04 11:58:09 -05:00

README.md

GTK — The GTK toolkit

Build Status

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

The official web site

The official developers blog

Information about mailing lists can be found at

Nightly documentation can be found at

Building and installing

In order to build GTK you will need:

You will also need various dependencies, based on the platform you are building for:

If you are building the X11 backend, you will also need:

  • Xlib, and the following X extensions:
    • xrandr
    • xrender
    • xi
    • xext
    • xfixes
    • xcursor
    • xdamage
    • xcomposite
  • atk-bridge-2.0

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:

$ meson _build .
$ cd _build
$ ninja

You can run the test suite using:

$ 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

How to report bugs

Bugs should be reported on the issues page.

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 demo applications that are built in the demos/ subdirectory, on 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.

Release notes

The release notes for GTK are part of the migration guide in the API reference. See:

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.