Xforms widgetry

Steve Lamont (spl@szechuan.ucsd.edu)
Wed, 9 Apr 97 06:42:15 PDT

To subscribers of the xforms list from spl@szechuan.ucsd.edu (Steve Lamont) :

> 1.) I setup a new web-page, showing the combination of the
> GUI-builder xforms and the 3D-renderer VTK. There is a simple
> example code at the end. ...

Hmmm... cool. For those not familiar with it, VTK is Visualization
Toolkit, an object oriented 3D graphics toolkit developed by Will
Schroeder, Ken Martin, and Bill Lorensen, the latter being the famed
Lorensen of Lorensen and Kline, "inventors" of the equally famed
Marching Cubes surface tiling algorithm.

They have a book out called _The Visualization Toolkit: An
Object-Oriented Approach to 3D Graphics_ (ISBN 0-13-199837-4) that
comes with a CDROM containing complete sources. I believe that the
sources are also available via anonymous FTP but you're going to need
the book to use the system anyhow. As I recall it's about $40 (US).

I've played with it and it's pretty nifty.

> 2.) Do anybody know how to get or create the corresponding
> WIDGET-information of an existing xforms-window?

The is no Widget information available in XForms for the simple fact
that XForms is not a X Toolkit (Widget) based library. It's based
solely on XLib.

Much of the general information about XForms objects is available by
interrogating the FL_FORM or FL_OBJECT data structures. The data
structures are enumerated in the forms.h header file.


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