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This source code for curses was originally written and released by Larry
Gensch. I have modified it substantially both in order to make in run on the
Macintosh and to include some additional functionality. I have included
Larry's original README file unmodified. Following is some information about
what is new to my release. I'll apologize ahead of time that my
documentation is not clearer and more organized. I'm leaving the country for
the summer in about a week, and when I get back I'm moving to Boston to go back
to school during which time I hope to be doing little or no programming. So
its clear that I better post this stuff now or never. I hope it is useful to
somebody. It should be clear from the above that I'm not in a position to
support this code, though I have tested it fairly extensively. I suspect that
I will be reachable at the e-mail addresses I listed below for a while (though
not June-August 1994), and I will be happy to try to answer questions that
anyone has. If you find the code useful, I'd like to hear about that too. You
can also reach Larry Gensch on the internet at 'lar3ry@world.std.com'.
-Robert Zimmerman June 1, 1994
* Internet: robert@master.uchicago.edu
* CI$: 71233,1345
------------------------------------------------------------
Notes about update by Robert Zimmerman:
General
Ported to Macintosh (Think C) and 32-bit Dos (using Watcom's DOS/3GW 32-bit
linear executable format). Added support for pads and subwindows.
New files
v_doscur.c (was v_msdos.c)
v_maccur.c Macintosh-specific code.
v_maccur.r Basic resources used by Macintosh curses.
macurses.h Macintosh specific header.
readme.mac Macintosh specific implementation notes.
Extensions
My main extension to the library are pads and sub-windows (and sub-pads).
I also implemented getstr and scanw.
List of new functions:
prefresh
pnoutrefresh
subwin
newpad
subpad
pechochar
copywin
overwrite
overlay
ungetch
wgetstr
scanw
mvscanw
wscanw
mvwscanw
vwscanw
I added the following members to the WINDOW structure:
short _pmap_orgy, _pmap_orgx; /* Upper left corner of most recent prefresh on pad. */
short _pmap_maxy, _pmap_maxx; /* Max x/y of most recent prefresh on pad. */
short _xdim; /* Value to add to chtype pointer to move down a row. */
Changes to machine specific code
I changed to name of the MSDOS specific source file to v_doscur.c, since
v_msdos seemed a bit too generic (no way to tell it had anything to do
with curses). The screen redrawing routine had to be rewritten somewhat
to take account of the needs of pads and sub-windows.
In order to make it easier to support multiple machine implementations,
I used the following macros to point to the machine-specific functions:
CURS_INIT_FN
CURS_REFRESH_FN
CURS_END_FN
CURS_BEEP_FN
CURS_KBINP_FN
CURS_FLUSHINP_FN
The final macro on this list (CURS_FLUSHINP_FN) is optional. If it is
defined, the function refered to is called by flushinp to flush typeahead
characters not yet buffered by wgetch.
There is some code to support interactions with the system under Watcom's
DOS/3GW 32-bit linear executable format.
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