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1994-04-12
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tv - DESQview like shell for OS/2 text-mode apps.
(C) 1994, Jim Dugger, J&J Computer Consulting
Just because I included the source does NOT mean its for your
free use in other applications!
Here's the deal: I meant for this utility to be perfected and
included in The J&J Utilities for OS/2, release 1.5. That never
happened, and I am tired of messing with it, so here it is.
Likely, it would have provided little advantage to most of my
customers, anyway.
For those of you familiar with The J&J Utilities for OS/2, you
also know that 1.5 isn't out yet. If you own 1.0, call our
office-- we are going to upgrade all 1.0 owners to 1.5 for just
$5 plus shipping! Yup, just $5.
Here's the deal for you non- J&J customers. The J&J Utilities is
the best OS/2 software bargain around! The package includes
text-search, file locate, HPFS and FAT defragmenters, the ability
to run jobs at critical, high, and idle priorities, and MUCH
MORE! (Like delete but and xdelete!). All this, just $34.95!
(MSRP) ($24.95 seems to be the street price among the retailers)
PLUS : 1.5 will contain a powerful cron-like job scheduler, the
ability to view and terminate running processes on the fly,
Navigate ( our wonderful interactive shell that makes hard drive
maintenance a snap-- plus includes application association so
your favorite apps are automatically loaded when a file of that
type is selected!), and MUCH MORE! Wow! v1.5 will cost $39.95,
so by purchasing 1.0 at street prices and then upgrading you can
save some dough! What a deal! (Don't forget to ask about the
free set of ghinzu knives available to selected customers!)
BUT WAIT! There's more: free tech support!
Want more info? Contact:
J&J Computer Consulting
2321 W 7th Place
Stillwater, OK 74075
405-624-1472 voice
405-743-2613 fax
405-624-6347 bbs
...or see our add in the March and May issues of OS/2
professional, and June issue of OS/2 Magazine!
Anyway, advertisement over.
Here's the scoop on tv:
INTRODUCTION *
**************
TextView for OS/2 is a text-based protected mode application that
allows a user to view portions of multiple full-screen OS/2
sessions at one time. Its advantage lies in the fact that
TextView only requires about 100k of memory versus the nearly 2
megabytes required by the WPS. TextView, combined with a good
command line shell such as 4os2 by JP Software, makes it easy to
interact with multiple OS/2 fullscreen sessions at one time.
WHY? *
******
Because. I miss good 'ol DESQview. It was quick, fast, and down
right homely. While TextView isn't exactly like DESQview, its
purpose is the same: A simple method by which one can view
multiple text mode applications at the same time.
LIMITATIONS *
*************
Before I get to just how truly cool TextView is, let me discuss a
few bad spots in the program.
1. Don't hit control-break while using TextView. It will
cause TextView to stop operating, just like a good
little program should. In the process, you loose the
multi-view of your sessions! If it should happen,
don't worry. Simply switch to your apps using alt-esc
and kill them off one by one. Restart TextView. Be
happy.
2. TextView is an OS/2 purist's delight. It *will not*
display or interact with DOS sessions. If you ask it
to, it will silently complain by giving you a nice,
black screen in the window you started the DOS app in
until you use alt-esc to bring the DOS app fg and kill
it. Don't ask me to add DOS capability because I have
no earthly idea how. I'm an OS/2 programmer, not God.
3. There is no way to scroll a window's view of a session.
The view will automatically follow the cursor,
scrolling the window if necessary.
4. TextView works with fullscreen sessions only. This is
a limitation imposed by the DosMonitor calls used in
the program. While the TextView program itself may be
run in a PM window, the sessions spawned by TextView
must be fullscreen.
5. At this time, TextView only works with the 4os2 command
interpreter. If you are still using cmd.exe, get a
copy of 4os2 by JP Software. It will be the best thing
you ever do for your OS/2 box.
6. Function keys don't work in all apps. Plus, the t32
editior tends to cause tv to generate trap 8's.
USAGE *
*******
Once you are into the directory you decompressed TextView into,
type tv. Window0 will be opened in the middle of the screen.
Hit control-\ (backslash) to display the little system menu at
the bottom of the screen. From this menu you can resize, move,
begin new sessions, and switch windows. If an application you
were planning on running under TextView requires control
backslash, you may begin whining now.
To begin a session, switch to an unused window. (One not
currently displayed on the screen.) Once displayed, hit control-
\ and 'b' for begin. If you hit a key between bringing the
window foreground and control-\, you will cause TextView to think
the session has died and remove the window. If this happens,
simply let it happen, then bring the window fg and try again
after the screen riot has finished.
If you wish to close a session simply bring it fg and type 'exit'
at the prompt. One additional keystroke in the displayed window
will cause TextView to stall momentarily while it realizes that
nothing is happening anymore. Once this has occurred, TextView
will kindly kill off the session's window for you. (Note: If a
session dies, this will occur automatically, however, the session
may remain in the task list. You will have to kill it manually.)
At this time, this is all that is documented.
The source code should complie with bcos2. you will need 286lib
from the toolkit. If you get function keys working, please let
me know.
To contact me, call the voice number listed above in the plug, or
fax.
Jim Dugger
J&J Computer Consulting