FLTK - Fast Light Tool Kit - https://github.com/fltk/fltk - cross platform GUI development
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ManoloFLTK 6064518100 Remove unneeded FL_EXPORT declaration. 3 years ago
.github/workflows Fix whitespace errors (no code changes) 3 years ago
CMake Wayland under FreeBSD: detect <GL/glu.h> and fix LIBDECOR_PLUGIN_DIR. 3 years ago
FL Comment-only changes. 3 years ago
GL Remove $Id$ tags, update URL's, and more 5 years ago
cairo Configure/make: update dependencies 3 years ago
documentation Improve automatic documentation generation 3 years ago
examples Add option to test Fl_Flex in test/pack.cxx 3 years ago
fluid Build and use fluid-cmd on Windows for .fl files (#224, #293) 3 years ago
jpeg Use "symbol prefixing" in bundled libs (part 3 of 3) 4 years ago
lib Improve documentation about library build folders and more 4 years ago
libdecor libdecor GTK: remove the last code change required by FLTK. 3 years ago
misc Fix README files and remove stale config.guess and config.sub 4 years ago
nanosvg Upgrade the bundled nanosvg library to current version 3 years ago
png Silence compiler warnings [-Wunused-but-set-variable] 3 years ago
public Activate GitLab CI and GitLab Pages (HTML docs). 7 years ago
src Remove unneeded FL_EXPORT declaration. 3 years ago
test Improve layout, fix resizing of test/demo 3 years ago
util Move src/cmap.cxx to util/cmap.cxx (utilities folder) 3 years ago
zlib Use "symbol prefixing" in bundled libs (part 3 of 3) 4 years ago
.clang-format Update .clang-format control file 3 years ago
.gitattributes Remove experimental platforms Android, Pico, SDL (PR #376) 3 years ago
.gitignore Generate FL/fl_config.h rather than FL/abi-version.h 3 years ago
.gitlab-ci.yml GitLab CI: fix syntax error 3 years ago
ANNOUNCEMENT Fix ignored files, add 'build' directory to ignored files. 9 years ago
CHANGES.txt Mention support of macOS 13.0 "Ventura". 3 years ago
CHANGES_1.0.txt Remove $Id$ tags, update URL's, and more 5 years ago
CHANGES_1.1.txt Fix old URL's and forum/newsgroup names 5 years ago
CHANGES_1.3.txt Remove $Id$ tags, update URL's, and more 5 years ago
CMakeLists.txt CMake: Improve configuration summary, add fl_debug_pkg macro 3 years ago
COPYING Remove $Id$ tags, update URL's, and more 5 years ago
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DartConfig.cmake Remove $Id$ tags, update URL's, and more 5 years ago
Makefile Wayland: fix configure-based build 3 years ago
README.CMake.txt Documentation: add missing mentions of the Wayland platform. 3 years ago
README.Cairo.txt Generate FL/fl_config.h rather than FL/abi-version.h 3 years ago
README.IDE.txt Remove experimental platforms Android, Pico, SDL (PR #376) 3 years ago
README.Unix.txt Fix README files and remove stale config.guess and config.sub 4 years ago
README.Wayland.txt Wayland: update known limitation about minimum window width. 3 years ago
README.Windows.txt Generate FL/fl_config.h rather than FL/abi-version.h 3 years ago
README.abi-version.txt Generate FL/fl_config.h rather than FL/abi-version.h 3 years ago
README.bundled-libs.txt Upgrade the bundled nanosvg library to current version 3 years ago
README.experimental.txt Remove experimental platforms Android, Pico, SDL (PR #376) 3 years ago
README.macOS.md update README.macOS.md (Creating new Projects) 3 years ago
README.md Fix whitespace errors (no code changes) 3 years ago
README.txt Documentation: add missing mentions of the Wayland platform. 3 years ago
autogen.sh Fix README files and remove stale config.guess and config.sub 4 years ago
config.guess Add autoconf cross-compilation support files. 4 years ago
config.sub Add autoconf cross-compilation support files. 4 years ago
configh.cmake.in Remove obsolete config variable 'HAVE_LIBPNG_PNG_H' 3 years ago
configh.in Remove obsolete config variable 'HAVE_LIBPNG_PNG_H' 3 years ago
configure.ac Add FL_EXPORT directives to support building shared libs with -no-undefined 3 years ago
fl_config.cmake.in Add the Wayland platform to FLTK 1.4 3 years ago
fl_config.in Add the Wayland platform to FLTK 1.4 3 years ago
fltk-config.in Fix for fltk when make install used 3 years ago
fltk.list.in Refactor macOS bundle generation to avoid "quarantine" 4 years ago
fltk.spec.in CMake: refactor and reformat CMake files 5 years ago
fltk.xpm Fixed all Pixmaps to be '*const' (STR #3108). 6 years ago
fltk_version.dat Rename file 'VERSION' to 'fltk_version.dat' (#191) 4 years ago
forms.h Initial revision 27 years ago
install-sh Remove $Id$ tags, update URL's, and more 5 years ago
mac_endianness.h Remove $Id$ tags, update URL's, and more 5 years ago
makeinclude.in Wayland platform: add support of FreeBSD version 13.1 3 years ago
makesrcdist Fix README files and remove stale config.guess and config.sub 4 years ago

README.md

README - Fast Light Tool Kit (FLTK) Version 1.4.0

WHAT IS FLTK?

The Fast Light Tool Kit ("FLTK", pronounced "fulltick") is a
cross-platform C++ GUI toolkit for UNIX®/Linux® (X11 or
Wayland), Microsoft® Windows®, and macOS®.
FLTK provides modern GUI functionality without the bloat and
supports 3D graphics via OpenGL® and its built-in GLUT
emulation. It was originally developed by Mr. Bill Spitzak
and is currently maintained by a small group of developers
across the world with a central repository on GitHub.

For more information see README.txt:
https://github.com/fltk/fltk/blob/master/README.txt

Build