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sideshow.doc
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1987-07-22
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************************** SideShow ****************************
SideShow is a simple utility for use with the ConMan console handler. It
allows one or more "scratchpad" windows to be used to prepare commands for
a host window; the commands are then slipped into the main command stream
using a special "backdoor" mechanism implemented in the console handler.
Operation.
Any number of "SideShow" windows may be opened by entering "run sideshow"
from a command window. Commands may then be entered and edited in the
new window using the usual ConMan editing facilites. Once the desired
command or data sequence has been prepared, hit F8 to submit it to the
host's stream. The host window need not be active to receive the command
stream; it may may be sitting in the background somewhere. The close
gadget or F3 may be used to exit at any time.
An alternate window definition may be specified as a command-line argument.
For example, "run sideshow con:////BigGuy/c" specifies a full-screen window
with a close gadget.
Note: SideShow requires version V0.98B or later of ConMan; if used with a
prior version or with a normal DOS window, an error message will be displayed
whenever an attempt is made to transmit a sequence of commands.
Principles of Operation.
SideShow uses a special packet type called "ACTION_MERGE" which has been
implemented in the ConMan console handler. This packet takes the same
parameters as a "write" packet, but causes the data to be entered into
the input stream, just as though it had been entered at the keyboard.
The stream is edited in exactly the same fashion as actual keyboard input
input, so control sequences may be included for special effects.
This program serves as an example of function-key interrupt processing
using the ConHandler library functions. In this case the keys of interest
are F3, F8, and HELP; the "close gadget" event is also checked, but is
passed back to the console handler rather than being trapped. The assembler
source code for "SideShow" has been included.
'C' programmers should note that the event handler function may be written
entirely in 'C', as the arguments are available on the stack as well as in
registers. I haven't yet had time to write the binding functions for the
library calls, though.
Distribution.
This program is to be distributed as shareware to Amigoid life-forms
everywhere! Make sure your friends get a copy. Comments and contributions
will be appreciated and may be sent to:
William S. Hawes (bix: whawes)
P.O. Box 308
Maynard, MA 01754
(617) 568-8695
-- WSH (May 10, 1987)