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Sun Jan 7 17:22:16 1996 UTC
(25 years ago) by anton
CVS tags: HEAD
added more.fs for people with old terminals.
WORDS and SEE now now respect the terminal size.
a lot of reordering in the Makefile, approaching the GNU standards.
factored NAME>STRING out of many words.
use AC_DECL_SYS_SIGLIST test in configure.in.
removed emitcounter (it was not used anyway).
SYSTEM now unpreps and repreps the terminal.
fixed byg in prims2x.fs.
added NEEDS, ?CSP, !CSP.
1: \ terminal size stuff
3: \ Copyright (C) 1996 Free Software Foundation, Inc.
5: \ This file is part of Gforth.
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22: \ Currently we get the size from the environment. If the variables
23: \ LINES and COLUMNS are not set or wrong, do an "eval `resize`" before
24: \ starting Gforth. If you change the window size after starting
25: \ Gforth, you are out of luck.
27: \ To do: An implementation that uses termcap and/or ioctl TIOCGWINSZ.
29: \ # rows and columns that the terminal has.
30: \ these words are also present in PFE.
31: &80 Value cols
32: &24 Value rows
34: : getenv-unum ( udefault c-addr ucount -- u )
35: getenv over
37: 0. 2swap >number 0=
38: IF ( udefault d c-addr2 )
39: drop drop nip
40: ELSE ( udefault djunk c-addr2 )
41: drop 2drop
43: ELSE ( udefault c-addr ucount )
45: ENDIF ;
47: :noname ( -- )
48: defers 'cold
49: cols s" COLUMNS" getenv-unum TO cols
50: rows s" LINES" getenv-unum TO rows ;
51: IS 'cold