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/* curses.h */
/* Author:
* Steve Kirkendall
* 14407 SW Teal Blvd. #C
* Beaverton, OR 97005
* kirkenda@cs.pdx.edu
*/
/* This is the header file for a small, fast, fake curses package */
/* termcap stuff */
extern char *tgoto();
extern char *tgetstr();
extern void tputs();
#if MSDOS
/* BIOS interface used instead of termcap for MS-DOS */
extern int vmode;
extern void v_up();
extern void v_cb();
extern void v_cs();
extern void v_ce();
extern void v_cl();
extern void v_cd();
extern void v_al();
extern void v_dl();
extern void v_sr();
extern void v_move();
#endif
/* faddch() is a function. a pointer to it is passed to tputs() */
extern int faddch();
/* data types */
#define WINDOW char
/* CONSTANTS & SYMBOLS */
#define TRUE 1
#define FALSE 0
#define A_NORMAL 0
#define A_STANDOUT 1
#define A_BOLD 2
#define A_UNDERLINE 3
#define A_ALTCHARSET 4
#if MSDOS
#define KBSIZ (10*1024)
#else
#define KBSIZ (6*1024)
#endif
/* extern variables, defined in curses.c */
extern short ospeed; /* tty speed, eg B2400 */
#if OSK
extern char PC_; /* Pad char */
extern char *BC; /* Backspace char string */
#else
extern char PC; /* Pad char */
#endif
extern WINDOW *stdscr; /* pointer into kbuf[] */
extern WINDOW kbuf[KBSIZ]; /* a very large output buffer */
extern int LINES; /* :li#: number of rows */
extern int COLS; /* :co#: number of columns */
extern int AM; /* :am: boolean: auto margins? */
extern int PT; /* :pt: boolean: physical tabs? */
extern char *VB; /* :vb=: visible bell */
extern char *UP; /* :up=: move cursor up */
extern char *SO; /* :so=: standout start */
extern char *SE; /* :se=: standout end */
extern char *US; /* :us=: underline start */
extern char *UE; /* :ue=: underline end */
extern char *MD; /* :md=: bold start */
extern char *ME; /* :me=: bold end */
extern char *AS; /* :as=: alternate (italic) start */
extern char *AE; /* :ae=: alternate (italic) end */
extern char *CM; /* :cm=: cursor movement */
extern char *CE; /* :ce=: clear to end of line */
extern char *CD; /* :cd=: clear to end of screen */
extern char *AL; /* :al=: add a line */
extern char *DL; /* :dl=: delete a line */
#if OSK
extern char *SR_; /* :sr=: scroll reverse */
#else
extern char *SR; /* :sr=: scroll reverse */
#endif
extern char *KS; /* :ks=: init string for cursor */
extern char *KE; /* :ke=: restore string for cursor */
extern char *KU; /* :ku=: sequence sent by up key */
extern char *KD; /* :kd=: sequence sent by down key */
extern char *KL; /* :kl=: sequence sent by left key */
extern char *KR; /* :kr=: sequence sent by right key */
extern char *PU; /* :PU=: key sequence sent by PgUp key */
extern char *PD; /* :PD=: key sequence sent by PgDn key */
extern char *HM; /* :HM=: key sequence sent by Home key */
extern char *EN; /* :EN=: key sequence sent by End key */
extern char *IM; /* :im=: insert mode start */
extern char *IC; /* :ic=: insert following char */
extern char *EI; /* :ei=: insert mode end */
extern char *DC; /* :dc=: delete a character */
extern char *TI; /* :ti=: terminal init */ /* GB */
extern char *TE; /* :te=: terminal exit */ /* GB */
#ifndef NO_CURSORSHAPE
extern char *CQ; /* :cQ=: normal cursor */
extern char *CX; /* :cX=: cursor used for EX command/entry */
extern char *CV; /* :cV=: cursor used for VI command mode */
extern char *CI; /* :cI=: cursor used for VI input mode */
extern char *CR; /* :cR=: cursor used for VI replace mode */
#endif
extern char *aend; /* end an attribute -- either UE or ME */
extern char ERASEKEY; /* taken from the ioctl structure */
/* Msdos-versions may use bios; others always termcap.
* Will emit some 'code has no effect' warnings in unix.
*/
#if MSDOS
extern char o_pcbios[1]; /* BAH! */
#define CHECKBIOS(x,y) (*o_pcbios ? (x) : (y))
#define VOIDBIOS(x,y) {if (*o_pcbios) {x;} else {y;}}
#else
#define CHECKBIOS(x,y) (y)
#define VOIDBIOS(x,y) {y;}
#endif
#define do_VB() VOIDBIOS(;, tputs(VB, 1, faddch))
#define do_UP() VOIDBIOS(v_up(), tputs(UP, 1, faddch))
#define do_SO() VOIDBIOS((vmode=A_STANDOUT), tputs(SO, 1, faddch))
#define do_SE() VOIDBIOS((vmode=A_NORMAL), tputs(SE, 1, faddch))
#define do_US() VOIDBIOS((vmode=A_UNDERLINE), tputs(US, 1, faddch))
#define do_UE() VOIDBIOS((vmode=A_NORMAL), tputs(UE, 1, faddch))
#define do_MD() VOIDBIOS((vmode=A_BOLD), tputs(MD, 1, faddch))
#define do_ME() VOIDBIOS((vmode=A_NORMAL), tputs(ME, 1, faddch))
#define do_AS() VOIDBIOS((vmode=A_ALTCHARSET), tputs(AS, 1, faddch))
#define do_AE() VOIDBIOS((vmode=A_NORMAL), tputs(AE, 1, faddch))
#undef do_CM /* move */
#define do_CE() VOIDBIOS(v_ce(), tputs(CE, 1, faddch))
#define do_CD() VOIDBIOS(v_cd(), tputs(CD, 1, faddch))
#define do_AL() VOIDBIOS(v_al(), tputs(AL, LINES, faddch))
#define do_DL() VOIDBIOS(v_dl(), tputs(DL, LINES, faddch))
#if OSK
#define do_SR() VOIDBIOS(v_sr(), tputs(SR_, 1, faddch))
#else
#define do_SR() VOIDBIOS(v_sr(), tputs(SR, 1, faddch))
#endif
#define do_KS() VOIDBIOS(1, tputs(KS, 1, faddch))
#define do_KE() VOIDBIOS(1, tputs(KE, 1, faddch))
#define do_IM() VOIDBIOS(;, tputs(IM, 1, faddch))
#define do_IC() VOIDBIOS(;, tputs(IC, 1, faddch))
#define do_EI() VOIDBIOS(;, tputs(EI, 1, faddch))
#define do_DC() VOIDBIOS(;, tputs(DC, COLS, faddch))
#define do_TI() VOIDBIOS(;, (void)ttywrite(TI, (unsigned)strlen(TI)))
#define do_TE() VOIDBIOS(;, (void)ttywrite(TE, (unsigned)strlen(TE)))
#ifndef NO_CURSORSHAPE
# define do_CQ() VOIDBIOS(v_cs(), tputs(CQ, 1, faddch))
# define do_CX() VOIDBIOS(v_cs(), tputs(CX, 1, faddch))
# define do_CV() VOIDBIOS(v_cs(), tputs(CV, 1, faddch))
# define do_CI() VOIDBIOS(v_cb(), tputs(CI, 1, faddch))
# define do_CR() VOIDBIOS(v_cb(), tputs(CR, 1, faddch))
#endif
#define do_aend() VOIDBIOS((vmode=A_NORMAL), tputs(aend, 1, faddch))
#define has_AM CHECKBIOS(1, AM)
#define has_PT CHECKBIOS(0, PT)
#define has_VB CHECKBIOS((char *)0, VB)
#define has_UP CHECKBIOS((char *)1, UP)
#define has_SO CHECKBIOS((char)1, (*SO))
#define has_SE CHECKBIOS((char)1, (*SE))
#define has_US CHECKBIOS((char)1, (*US))
#define has_UE CHECKBIOS((char)1, (*UE))
#define has_MD CHECKBIOS((char)1, (*MD))
#define has_ME CHECKBIOS((char)1, (*ME))
#define has_AS CHECKBIOS((char)1, (*AS))
#define has_AE CHECKBIOS((char)1, (*AE))
#undef has_CM /* cursor move: don't need */
#define has_CB CHECKBIOS(1, 0)
#define has_CS CHECKBIOS(1, 0)
#define has_CE CHECKBIOS((char *)1, CE)
#define has_CD CHECKBIOS((char *)1, CD)
#define has_AL CHECKBIOS((char *)1, AL)
#define has_DL CHECKBIOS((char *)1, DL)
#if OSK
#define has_SR CHECKBIOS((char *)1, SR_)
#else
#define has_SR CHECKBIOS((char *)1, SR)
#endif
#define has_KS CHECKBIOS((char)1, (*KS))
#define has_KE CHECKBIOS((char)1, (*KE))
#define has_KU CHECKBIOS("#H", KU)
#define has_KD CHECKBIOS("#P", KD)
#define has_KL CHECKBIOS("#K", KL)
#define has_KR CHECKBIOS("#M", KR)
#define has_HM CHECKBIOS("#G", HM)
#define has_EN CHECKBIOS("#O", EN)
#define has_PU CHECKBIOS("#I", PU)
#define has_PD CHECKBIOS("#Q", PD)
#define has_IM CHECKBIOS((char)0, (*IM))
#define has_IC CHECKBIOS((char)0, (*IC))
#define has_EI CHECKBIOS((char)0, (*EI))
#define has_DC CHECKBIOS((char *)0, DC)
#define has_TI CHECKBIOS((char)0, (*TI))
#define has_TE CHECKBIOS((char)0, (*TE))
#ifndef NO_CURSORSHAPE
#define has_CQ CHECKBIOS((char *)1, CQ)
#endif
/* (pseudo)-Curses-functions */
#ifdef lint
# define _addCR VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\r') : (stdscr[-1] = '\n')))
#else
# if OSK
# define _addCR VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\l') : (stdscr[-1] = stdscr[-1])))
# else
# define _addCR VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\r') : 0))
#endif
#endif
#define qaddch(ch) CHECKBIOS(v_put(ch), (*stdscr++ = (ch)))
#if OSK
#define addch(ch) if (qaddch(ch) == '\n') qaddch('\l'); else
#else
#define addch(ch) if (qaddch(ch) == '\n') qaddch('\r'); else
#endif
extern void initscr();
extern void endwin();
extern void suspend_curses();
extern void resume_curses();
extern void attrset();
extern void insch();
extern void qaddstr();
#define addstr(str) {qaddstr(str); _addCR;}
#define move(y,x) VOIDBIOS(v_move(x,y), \
tputs(tgoto(CM, x, y), 1, faddch))
#define mvaddch(y,x,ch) {move(y,x); addch(ch);}
#define refresh() VOIDBIOS(;, wrefresh(stdscr))
#define wrefresh(w) if ((w) != kbuf) VOIDBIOS((w) = kbuf, {ttywrite(kbuf, (unsigned)((w) - kbuf)); (w) = kbuf;}) else
#define wqrefresh(w) if ((w) - kbuf > 2000) VOIDBIOS((w) = kbuf, {ttywrite(kbuf, (unsigned)((w) - kbuf)); (w) = kbuf;}) else
#define standout() do_SO()
#define standend() do_SE()
#define clrtoeol() do_CE()
#define clrtobot() do_CD()
#define insertln() do_AL()
#define deleteln() do_DL()
#define delch() do_DC()
#define scrollok(w,b)
#define raw()
#define echo()
#define cbreak()
#define noraw()
#define noecho()
#define nocbreak()
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