version 1.1, 1996/01/07 17:22:16
|
version 1.2, 1996/01/25 16:45:56
|
Line 18
|
Line 18
|
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
|
|
|
|
\ Currently we get the size from the environment. If the variables |
|
\ LINES and COLUMNS are not set or wrong, do an "eval `resize`" before |
|
\ starting Gforth. If you change the window size after starting |
|
\ Gforth, you are out of luck. |
|
|
|
\ To do: An implementation that uses termcap and/or ioctl TIOCGWINSZ. |
|
|
|
\ # rows and columns that the terminal has. |
\ # rows and columns that the terminal has. |
\ these words are also present in PFE. |
\ these words are also present in PFE. |
&80 Value cols |
|
&24 Value rows |
|
|
|
: getenv-unum ( udefault c-addr ucount -- u ) |
: rows ( -- u ) |
getenv over |
form drop ; |
IF |
|
0. 2swap >number 0= |
|
IF ( udefault d c-addr2 ) |
|
drop drop nip |
|
ELSE ( udefault djunk c-addr2 ) |
|
drop 2drop |
|
ENDIF |
|
ELSE ( udefault c-addr ucount ) |
|
2drop |
|
ENDIF ; |
|
|
|
:noname ( -- ) |
: cols ( -- u ) |
defers 'cold |
form nip ; |
cols s" COLUMNS" getenv-unum TO cols |
|
rows s" LINES" getenv-unum TO rows ; |
|
IS 'cold |
|