Preface

This manual describes the Fast Light Tool Kit ("FLTK") version 1.1.7, a C++ Graphical User Interface ("GUI") toolkit for UNIX, Microsoft Windows and MacOS. Each of the chapters in this manual is designed as a tutorial for using FLTK, while the appendices provide a convenient reference for all FLTK widgets, functions, and operating system interfaces.

This manual may be printed, modified, and/or used under the terms of the FLTK license provided in Appendix A.

Organization

This manual is organized into the following chapters and appendices:

• Chapter 1 - Introduction to FLTK
• Chapter 2 - FLTK Basics
• Chapter 3 - Common Widgets and Attributes
• Chapter 4 - Designing a Simple Text Editor
• Chapter 5 - Drawing Things in FLTK
• Chapter 6 - Handling Events
• Chapter 7 - Extending and Adding Widgets
• Chapter 8 - Using OpenGL
• Chapter 9 - Programming With FLUID
• Appendix A - Class Reference
• Appendix B - Function Reference
• Appendix C - Enumeration Reference
• Appendix D - GLUT Compatibility
• Appendix E - Forms Compatibility
• Appendix F - Operating System Issues
• Appendix G - Migrating from FLTK 1.0.x to FLTK 1.1.x
• Appendix H - Software License
• Appendix I - Example Source Code

Conventions

The following typeface conventions are used in this manual:

• Function and constant names are shown in bold courier type
• Code samples and commands are shown in regular courier type

Abbreviations

The following abbreviations are used in this manual:

X11

The X Window System version 11.

Xlib

The X Window System interface library.

WIN32

The Microsoft Windows 32-bit Application Programmer's Interface.

MacOS

The Apple Macintosh OS 8.6 and later, including OS X.

Copyrights and Trademarks

FLTK is Copyright 1998-2006 by Bill Spitzak and others. Use and distribution of FLTK is governed by the GNU Library General Public License, located in Appendix H.

UNIX is a registered trademark of the X Open Group, Inc. Microsoft and Windows are registered trademarks of Microsoft Corporation. OpenGL is a registered trademark of Silicon Graphics, Inc. Apple, Macintosh, MacOS, and Mac OS X are registered trademarks of Apple Computer, Inc.