FVWM: locking screen

From: Dale Stahl <stahl_at_eco.utexas.edu>
Date: Tue, 21 Oct 2003 16:22:49 -0500

Gentlemen:

         I am poorly skilled in windows management, and yet I cannot get
help from the University staff. So I am hoping someone on this list can
help me. I am trying to develop a system for administering tests in a
computer lab.

         The test is coded as a java application that I want to run on a
full screen. When done, I instruct the student enter text in a box, upon
whichthe java program terminates, but until that time, I do not want the
student to be able to resize the window, close the window, toggle to
another window or anything else. About six years ago, with the help of a
unix consultant, we used the first version of fvwm to do this. We simple
executed "fvwm&" and then our java program. We've been told now that we
exploited some bug in that first version (perhaps some option in the
.fvwmrc file), but this version no longer runs on our Solaris 9 system.

         Our computer lab is equipped with SunRay terminals. A terminal is
logged into a unix server, and then a simple gnome terminal window
appears. From that prompt, we want to launch fvwm -replace&, and then our
java application. From looking at the online fvwm manual, it seemed that I
should be able to turn off the title bar buttons by commenting out the
appropriate lines in the .fvwmrc file (which I did successfully). However,
I was still able to resize the screen by grabbing onto a border, and
double-clicking on the mouse sometimes brought the original gnome terminal
window back on top, from which a student could easily kill the
program. Also, after shrinking the window, and clicking outside the
window, a menu of fvwm options came up, among which was to exit fvwm!

         I suspect that I could replace my default .fvwmrc file with a
simple config file that would give me a maximized window with no title bar,
no grabbable border, no accessible menus, and no way to close the window or
exit our program until we want to by inputting a password.

         I would be profoundly grateful to anyone who could help me with this.

Sincerely yours,



Dale O. Stahl

Malcolm Forsman Centennial Professor

http://www.eco.utexas.edu/faculty/Stahl

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Received on Tue Oct 21 2003 - 16:25:23 BST

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