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- /* tcap: Unix V5, V7 and BS4.2 Termcap video driver
- for MicroEMACS
- */
-
- #define termdef 1 /* don't define "term" external */
-
- #include <stdio.h>
- #include "estruct.h"
- #include "edef.h"
-
- #if TERMCAP
-
- #define MARGIN 8
- #define SCRSIZ 64
- #define NPAUSE 10 /* # times thru update to pause */
- #define BEL 0x07
- #define ESC 0x1B
-
- extern int ttopen();
- extern int ttgetc();
- extern int ttputc();
- extern int tgetnum();
- extern int ttflush();
- extern int ttclose();
- extern int tcapkopen();
- extern int tcapkclose();
- extern int tcapmove();
- extern int tcapeeol();
- extern int tcapeeop();
- extern int tcapbeep();
- extern int tcaprev();
- extern int tcapcres();
- extern int tcapopen();
- extern int tput();
- extern char *tgoto();
- #if COLOR
- extern int tcapfcol();
- extern int tcapbcol();
- #endif
-
- #define TCAPSLEN 315
- char tcapbuf[TCAPSLEN];
- char *UP, PC, *CM, *CE, *CL, *SO, *SE;
-
- TERM term = {
- NULL, /* these four values are set dynamically at open time */
- NULL,
- NULL,
- NULL,
- MARGIN,
- SCRSIZ,
- NPAUSE,
- tcapopen,
- ttclose,
- tcapkopen,
- tcapkclose,
- ttgetc,
- ttputc,
- ttflush,
- tcapmove,
- tcapeeol,
- tcapeeop,
- tcapbeep,
- tcaprev,
- tcapcres
- #if COLOR
- , tcapfcol,
- tcapbcol
- #endif
- };
-
- tcapopen()
-
- {
- char *getenv();
- char *t, *p, *tgetstr();
- char tcbuf[1024];
- char *tv_stype;
- char err_str[72];
-
- if ((tv_stype = getenv("TERM")) == NULL)
- {
- puts("Environment variable TERM not defined!");
- exit(1);
- }
-
- if ((tgetent(tcbuf, tv_stype)) != 1)
- {
- sprintf(err_str, "Unknown terminal type %s!", tv_stype);
- puts(err_str);
- exit(1);
- }
-
-
- if ((term.t_nrow=(short)tgetnum("li")-1) == -1){
- puts("termcap entry incomplete (lines)");
- exit(1);
- }
- term.t_mrow = term.t_nrow;
-
- if ((term.t_ncol=(short)tgetnum("co")) == -1){
- puts("Termcap entry incomplete (columns)");
- exit(1);
- }
- term.t_mcol = term.t_ncol;
-
- p = tcapbuf;
- t = tgetstr("pc", &p);
- if(t)
- PC = *t;
-
- CL = tgetstr("cl", &p);
- CM = tgetstr("cm", &p);
- CE = tgetstr("ce", &p);
- UP = tgetstr("up", &p);
- SE = tgetstr("se", &p);
- SO = tgetstr("so", &p);
- if (SO != NULL)
- revexist = TRUE;
-
- if(CL == NULL || CM == NULL || UP == NULL)
- {
- puts("Incomplete termcap entry\n");
- exit(1);
- }
-
- if (CE == NULL) /* will we be able to use clear to EOL? */
- eolexist = FALSE;
-
- if (p >= &tcapbuf[TCAPSLEN])
- {
- puts("Terminal description too big!\n");
- exit(1);
- }
- ttopen();
- }
-
- tcapkopen()
-
- {
- strcpy(sres, "NORMAL");
- }
-
- tcapkclose()
-
- {
- }
-
- tcapmove(row, col)
- register int row, col;
- {
- putpad(tgoto(CM, col, row));
- }
-
- tcapeeol()
- {
- putpad(CE);
- }
-
- tcapeeop()
- {
- putpad(CL);
- }
-
- tcaprev(state) /* change reverse video status */
-
- int state; /* FALSE = normal video, TRUE = reverse video */
-
- {
- static int revstate = FALSE;
- if (state) {
- if (SO != NULL)
- putpad(SO);
- } else
- if (SE != NULL)
- putpad(SE);
- }
-
- tcapcres() /* change screen resolution */
-
- {
- return(TRUE);
- }
-
- spal(dummy) /* change palette string */
-
- {
- /* Does nothing here */
- }
-
- #if COLOR
- tcapfcol() /* no colors here, ignore this */
- {
- }
-
- tcapbcol() /* no colors here, ignore this */
- {
- }
- #endif
-
- tcapbeep()
- {
- ttputc(BEL);
- }
-
- putpad(str)
- char *str;
- {
- tputs(str, 1, ttputc);
- }
-
- putnpad(str, n)
- char *str;
- {
- tputs(str, n, ttputc);
- }
-
-
- #if FLABEL
- fnclabel(f, n) /* label a function key */
-
- int f,n; /* default flag, numeric argument [unused] */
-
- {
- /* on machines with no function keys...don't bother */
- return(TRUE);
- }
- #endif
- #else
-
- hello()
- {
- }
-
- #endif
-