GLUI User Interface Library

Version 2.35

Written by Paul Rademacher
Maintained by Nigel Stewart and Bill Baxter

GLUI
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Status

July 2006
After about a year of GLUI 2.3 sitting around in CVS, finally a new official release.
GLUI 2.35 includes the changes made for 2.3 that never got put into an actual release, and some new improvements submitted by Alain Daurat and Orion Sky Lawlor.

There are still a lot of bugs in the new widgets, particularly the tree widget. So use with caution.

March 2005
GLUI website migration to SourceForge.
Some new features are being merged into CVS.

October 2003
GLUI is being migrated to SourceForge.
Source code is now available via CVS.
Help, developer, and open discussion forums have been established.
Bug Tracking is also available.

25th November 2002
Version 2.2 is available.
This is an update for gcc 3.2.
There are no feature enhancements or incompatibilities with 2.1.
Download GLUI 2.2

What is GLUI?

GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, relying on GLUT to handle all system-dependent issues, such as window and mouse management.

Features of the GLUI User Interface Library include:

Complete integration with GLUT toolkit
Simple creation of a new user interface window with a single line of code
Support for multiple user interface windows
Standard user interface controls such as:
- Buttons
- Checkboxes for boolean variables
- Radio Buttons for mutually-exclusive options
- Editable text boxes for inputting text, integers, and floating-point values
- Spinners for interactively manipulating integer and floating-point values
- Static text fields
- Panels for grouping sets of controls
- Separator lines to help visually organize groups of controls
Controls can generate callbacks when their values change
Variables can be linked to controls and automatically updated when the value of the control changes ("live variables")
Controls can be automatically synchronized to reflect changes in live variables
Controls can trigger GLUT redisplay events when their values change
Layout and sizing of controls is automatic
Controls can be grouped into columns
User can cycle through controls using Tab key

What does GLUI look like?

Here's an example GLUI window, showing the different controls. This window is rendered entirely in OpenGL. It therefore looks the same on PCs, Macs, SGIs, and other Unixes, using either SGI's implementation of OpenGL, Microsoft's, or Mesa's.

GLUI OpenGL Interface

New in Version 2

GLUI version 2 includes the following new features and controls:

GLUI controls within the main graphics window.
Functions for cleanly destroying GLUI windows and subwindows.
Functions for hiding and showing GLUI windows and subwindows.
A sync_live_all() for automatically synchronizing all live variables in all GLUI windows simultaneously.
Rollouts - collapsible panels for reducing screen clutter.
Listboxes - allows the user to choose an item from a list of strings.
Rotation and translation controllers - for easily receiving 3D interaction input from the user.

Here is a screenshot (from Windows) showing all the GLUI version 2.0 controls:

Windows GLUI

And another screenshot (from X-Windows/Mwm), showing the new features, including GLUI subwindows docked inside the main graphics window.

X-Windows GLUI

This screenshot (from Windows) shows the new widgets in GLUI 2.3, including scrollbars, a list widget, an area text widget, and a simple file browser.

GLUI 2.3 Widgets