FLTK is a cross-platform C++ GUI toolkit for UNIX ® /Linux ® (X11 and 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.

2011年1月3日 · We recommend to use the latest stable release FLTK 1.4.2, the first entry in the table below. Only old software should use 1.3.11, and only very old software may need older versions. These older releases are end of life and may not even compile on new platforms.

This chapter teaches you the basics of compiling programs that use FLTK. Writing Your First FLTK Program. All programs must include the file <FL/Fl.H>. In addition the program must include a header file for each FLTK class it uses. Listing 1 shows a simple "Hello, World!" program that uses FLTK to display the window. Listing 1 - "hello.cxx"

2011年5月30日 · You can view the FLTK documentation in a number of formats on-line: Frequently Asked Questions. HTML; Developer Documents. Configuration Management Plan w/Coding Standards (updated 17 Jan 2025) HTML; Credits (updated 13 Nov 2024) HTML; Development Roadmap (updated 14 Nov 2024) HTML; Human Interface Guidelines (updated …

FLTK is a LGPL'd C++ graphical user interface toolkit for X (UNIX®), Linux® (X11 and Wayland), macOS (aka OS X), OpenGL, and Windows (Microsoft® Windows® XP, 2000, and later). ... 1464 FLTK code repository on Github

FLTK includes all of the usual widgets to develop your applications, and new widgets can be created easily through C++ subclassing. All widgets support keyboard shortcuts and can be controlled both via the keyboard or mouse.

The Fast Light User Interface Designer, or FLUID, is a graphical editor that is used to produce FLTK source code. FLUID edits and saves its state in .fl files. These files are text, and you can (with care) edit them in a text editor, perhaps to get some special effects. FLUID can "compile" the .fl file into a .cxx and a .h file.

The FLTK distribution contains over 60 sample applications written in, or ported to, FLTK. If the FLTK archive you received does not contain either an 'examples' or 'test' directory, you can download the complete FLTK distribution from http://fltk.org/software.php .

The Fl_Group class is the main FLTK container widget. It maintains an array of child widgets. These children can themselves be any widget including Fl_Group. The most important subclass of Fl_Group is Fl_Window, however groups can also be used to control radio buttons or to enforce resize behavior.

2010年1月1日 · Developing new FLTK applications? Please use our Download page to download current stable versions of FLTK. This page is for old FLTK versions, use it only if you really need!