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curses.h revision 1.15
      1 /*
      2  * Copyright (c) 1981, 1993, 1994
      3  *	The Regents of the University of California.  All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	@(#)curses.h	8.4 (Berkeley) 8/10/94
     34  */
     35 
     36 #ifndef _CURSES_H_
     37 #define	_CURSES_H_
     38 
     39 #include <sys/types.h>
     40 #include <sys/cdefs.h>
     41 
     42 #include <stdio.h>
     43 
     44 /*
     45  * The following #defines and #includes are present for backward
     46  * compatibility only.  They should not be used in future code.
     47  *
     48  * START BACKWARD COMPATIBILITY ONLY.
     49  */
     50 #ifndef _CURSES_PRIVATE
     51 #define	bool	char
     52 #define	reg	register
     53 
     54 #ifndef TRUE
     55 #define	TRUE	(1)
     56 #endif
     57 #ifndef FALSE
     58 #define	FALSE	(0)
     59 #endif
     60 
     61 #define	_puts(s)	tputs(s, 0, __cputchar)
     62 #define	_putchar(c)	__cputchar(c)
     63 
     64 /* Old-style terminal modes access. */
     65 #define	baudrate()	(cfgetospeed(&__baset))
     66 #define	crmode()	cbreak()
     67 #define	erasechar()	(__baset.c_cc[VERASE])
     68 #define	killchar()	(__baset.c_cc[VKILL])
     69 #define	nocrmode()	nocbreak()
     70 #define	ospeed		(cfgetospeed(&__baset))
     71 #endif /* _CURSES_PRIVATE */
     72 
     73 extern char	 GT;			/* Gtty indicates tabs. */
     74 extern char	 NONL;			/* Term can't hack LF doing a CR. */
     75 extern char	 UPPERCASE;		/* Terminal is uppercase only. */
     76 
     77 extern int	 My_term;		/* Use Def_term regardless. */
     78 extern char	*Def_term;		/* Default terminal type. */
     79 
     80 /* Termcap capabilities. */
     81 extern char	AM, BS, CA, DA, EO, HC, IN, MI, MS, NC, NS, OS,
     82 		PC, UL, XB, XN, XT, XS, XX;
     83 extern char	*AL, *BC, *BT, *CD, *CE, *CL, *CM, *CR, *CS, *DC, *DL,
     84 		*DM, *DO, *ED, *EI, *K0, *K1, *K2, *K3, *K4, *K5, *K6,
     85 		*K7, *K8, *K9, *HO, *IC, *IM, *IP, *KD, *KE, *KH, *KL,
     86 		*KR, *KS, *KU, *LL, *MA, *ND, *NL, *RC, *SC, *SE, *SF,
     87 		*SO, *SR, *TA, *TE, *TI, *UC, *UE, *UP, *US, *VB, *VS,
     88 		*VE, *al, *dl, *sf, *sr,
     89 		*AL_PARM, *DL_PARM, *UP_PARM, *DOWN_PARM, *LEFT_PARM,
     90 		*RIGHT_PARM;
     91 
     92 /* END BACKWARD COMPATIBILITY ONLY. */
     93 
     94 /* 8-bit ASCII characters. */
     95 #define	unctrl(c)		__unctrl[(c) & 0xff]
     96 #define	unctrllen(ch)		__unctrllen[(ch) & 0xff]
     97 
     98 extern char	*__unctrl[256];	/* Control strings. */
     99 extern char	 __unctrllen[256];	/* Control strings length. */
    100 
    101 /*
    102  * A window an array of __LINE structures pointed to by the 'lines' pointer.
    103  * A line is an array of __LDATA structures pointed to by the 'line' pointer.
    104  *
    105  * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
    106  * fields are added -- padding fields with *constant values* should ensure
    107  * that the compiler will not generate any padding when storing an array of
    108  *  __LDATA structures.  This is to enable consistent use of memcmp, and memcpy
    109  * for comparing and copying arrays.
    110  */
    111 typedef struct {
    112 	char ch;			/* the actual character */
    113 
    114 #define	__STANDOUT	0x01  		/* Added characters are standout. */
    115 	char attr;			/* attributes of character */
    116 } __LDATA;
    117 
    118 #define __LDATASIZE	(sizeof(__LDATA))
    119 
    120 typedef struct {
    121 #define	__ISDIRTY	0x01		/* Line is dirty. */
    122 #define __ISPASTEOL	0x02		/* Cursor is past end of line */
    123 #define __FORCEPAINT	0x04		/* Force a repaint of the line */
    124 	u_int flags;
    125 	u_int hash;			/* Hash value for the line. */
    126 	size_t *firstchp, *lastchp;	/* First and last chngd columns ptrs */
    127 	size_t firstch, lastch;		/* First and last changed columns. */
    128 	__LDATA *line;			/* Pointer to the line text. */
    129 } __LINE;
    130 
    131 typedef struct __window {		/* Window structure. */
    132 	struct __window	*nextp, *orig;	/* Subwindows list and parent. */
    133 	size_t begy, begx;		/* Window home. */
    134 	size_t cury, curx;		/* Current x, y coordinates. */
    135 	size_t maxy, maxx;		/* Maximum values for curx, cury. */
    136 	short ch_off;			/* x offset for firstch/lastch. */
    137 	__LINE **lines;			/* Array of pointers to the lines */
    138 	__LINE  *lspace;		/* line space (for cleanup) */
    139 	__LDATA *wspace;		/* window space (for cleanup) */
    140 
    141 #define	__ENDLINE	0x001		/* End of screen. */
    142 #define	__FLUSH		0x002		/* Fflush(stdout) after refresh. */
    143 #define	__FULLWIN	0x004		/* Window is a screen. */
    144 #define	__IDLINE	0x008		/* Insert/delete sequences. */
    145 #define	__SCROLLWIN	0x010		/* Last char will scroll window. */
    146 #define	__SCROLLOK	0x020		/* Scrolling ok. */
    147 #define	__CLEAROK	0x040		/* Clear on next refresh. */
    148 #define __WSTANDOUT	0x080		/* Standout window */
    149 #define __LEAVEOK	0x100		/* If curser left */
    150 	u_int flags;
    151 } WINDOW;
    152 
    153 /* Curses external declarations. */
    154 extern WINDOW	*curscr;		/* Current screen. */
    155 extern WINDOW	*stdscr;		/* Standard screen. */
    156 
    157 extern struct termios __orig_termios;	/* Terminal state before curses */
    158 extern struct termios __baset;		/* Our base terminal state */
    159 extern int __tcaction;			/* If terminal hardware set. */
    160 
    161 extern int	 COLS;			/* Columns on the screen. */
    162 extern int	 LINES;			/* Lines on the screen. */
    163 
    164 extern char	*ttytype;		/* Full name of current terminal. */
    165 
    166 #define	ERR	(0)			/* Error return. */
    167 #define	OK	(1)			/* Success return. */
    168 
    169 /* Standard screen pseudo functions. */
    170 #define	addbytes(s, n)			__waddbytes(stdscr, s, n, 0)
    171 #define	addch(ch)			waddch(stdscr, ch)
    172 #define	addnstr(s, n)			waddnstr(stdscr, s, n)
    173 #define	addstr(s)			__waddbytes(stdscr, s, strlen(s), 0)
    174 #define	clear()				wclear(stdscr)
    175 #define	clrtobot()			wclrtobot(stdscr)
    176 #define	clrtoeol()			wclrtoeol(stdscr)
    177 #define	delch()				wdelch(stdscr)
    178 #define	deleteln()			wdeleteln(stdscr)
    179 #define	erase()				werase(stdscr)
    180 #define	getch()				wgetch(stdscr)
    181 #define	getstr(s)			wgetstr(stdscr, s)
    182 #define	inch()				winch(stdscr)
    183 #define	insch(ch)			winsch(stdscr, ch)
    184 #define	insertln()			winsertln(stdscr)
    185 #define	move(y, x)			wmove(stdscr, y, x)
    186 #define	refresh()			wrefresh(stdscr)
    187 #define	standend()			wstandend(stdscr)
    188 #define	standout()			wstandout(stdscr)
    189 #define	waddbytes(w, s, n)		__waddbytes(w, s, n, 0)
    190 #define	waddstr(w, s)			__waddbytes(w, s, strlen(s), 0)
    191 
    192 /* Standard screen plus movement pseudo functions. */
    193 #define	mvaddbytes(y, x, s, n)		mvwaddbytes(stdscr, y, x, s, n)
    194 #define	mvaddch(y, x, ch)		mvwaddch(stdscr, y, x, ch)
    195 #define	mvaddnstr(y, x, s, n)		mvwaddnstr(stdscr, y, x, s, n)
    196 #define	mvaddstr(y, x, s)		mvwaddstr(stdscr, y, x, s)
    197 #define	mvdelch(y, x)			mvwdelch(stdscr, y, x)
    198 #define	mvgetch(y, x)			mvwgetch(stdscr, y, x)
    199 #define	mvgetstr(y, x, s)		mvwgetstr(stdscr, y, x, s)
    200 #define	mvinch(y, x)			mvwinch(stdscr, y, x)
    201 #define	mvinsch(y, x, c)		mvwinsch(stdscr, y, x, c)
    202 #define	mvwaddbytes(w, y, x, s, n) \
    203 	(wmove(w, y, x) == ERR ? ERR : __waddbytes(w, s, n, 0))
    204 #define	mvwaddch(w, y, x, ch) \
    205 	(wmove(w, y, x) == ERR ? ERR : waddch(w, ch))
    206 #define	mvwaddnstr(w, y, x, s, n) \
    207 	(wmove(w, y, x) == ERR ? ERR : waddnstr(w, s, n))
    208 #define	mvwaddstr(w, y, x, s) \
    209 	(wmove(w, y, x) == ERR ? ERR : __waddbytes(w, s, strlen(s), 0))
    210 #define	mvwdelch(w, y, x) \
    211 	(wmove(w, y, x) == ERR ? ERR : wdelch(w))
    212 #define	mvwgetch(w, y, x) \
    213 	(wmove(w, y, x) == ERR ? ERR : wgetch(w))
    214 #define	mvwgetstr(w, y, x, s) \
    215 	(wmove(w, y, x) == ERR ? ERR : wgetstr(w, s))
    216 #define	mvwinch(w, y, x) \
    217 	(wmove(w, y, x) == ERR ? ERR : winch(w))
    218 #define	mvwinsch(w, y, x, c) \
    219 	(wmove(w, y, x) == ERR ? ERR : winsch(w, c))
    220 
    221 /* Psuedo functions. */
    222 #define	clearok(w, bf) \
    223 	((bf) ? ((w)->flags |= __CLEAROK) : ((w)->flags &= ~__CLEAROK))
    224 #define	flushok(w, bf) \
    225 	((bf) ? ((w)->flags |= __FLUSH) : ((w)->flags &= ~__FLUSH))
    226 #define	getyx(w, y, x) \
    227 	(y) = (w)->cury, (x) = (w)->curx
    228 #define	leaveok(w, bf) \
    229 	((bf) ? ((w)->flags |= __LEAVEOK) : ((w)->flags &= ~__LEAVEOK))
    230 #define	scrollok(w, bf) \
    231 	((bf) ? ((w)->flags |= __SCROLLOK) : ((w)->flags &= ~__SCROLLOK))
    232 #define	winch(w) \
    233 	((w)->lines[(w)->cury]->line[(w)->curx].ch & 0177)
    234 
    235 /* Public function prototypes. */
    236 __BEGIN_DECLS
    237 int	 box __P((WINDOW *, int, int));
    238 int	 cbreak __P((void));
    239 int	 delwin __P((WINDOW *));
    240 int	 echo __P((void));
    241 int	 endwin __P((void));
    242 char	*fullname __P((char *, char *));
    243 char	*getcap __P((char *));
    244 int	 gettmode __P((void));
    245 void	 idlok __P((WINDOW *, int));
    246 WINDOW	*initscr __P((void));
    247 char	*longname __P((char *, char *));
    248 int	 mvcur __P((int, int, int, int));
    249 int	 mvprintw __P((int, int, const char *, ...));
    250 int	 mvscanw __P((int, int, const char *, ...));
    251 int	 mvwin __P((WINDOW *, int, int));
    252 int	 mvwprintw __P((WINDOW *, int, int, const char *, ...));
    253 int	 mvwscanw __P((WINDOW *, int, int, const char *, ...));
    254 WINDOW	*newwin __P((int, int, int, int));
    255 int	 nl __P((void));
    256 int	 nocbreak __P((void));
    257 int	 noecho __P((void));
    258 int	 nonl __P((void));
    259 int	 noraw __P((void));
    260 int	 overlay __P((WINDOW *, WINDOW *));
    261 int	 overwrite __P((WINDOW *, WINDOW *));
    262 int	 printw __P((const char *, ...));
    263 int	 raw __P((void));
    264 int	 resetty __P((void));
    265 int	 savetty __P((void));
    266 int	 scanw __P((const char *, ...));
    267 int	 scroll __P((WINDOW *));
    268 int	 setterm __P((char *));
    269 int	 sscans __P((WINDOW *, const char *, ...));
    270 WINDOW	*subwin __P((WINDOW *, int, int, int, int));
    271 int	 suspendwin __P((void));
    272 int	 touchline __P((WINDOW *, int, int, int));
    273 int	 touchoverlap __P((WINDOW *, WINDOW *));
    274 int	 touchwin __P((WINDOW *));
    275 int 	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));
    276 int      vwscanw __P((WINDOW *, const char *, _BSD_VA_LIST_));
    277 int	 waddch __P((WINDOW *, int));
    278 int	 waddnstr __P((WINDOW *, const char *, int));
    279 int	 wclear __P((WINDOW *));
    280 int	 wclrtobot __P((WINDOW *));
    281 int	 wclrtoeol __P((WINDOW *));
    282 int	 wdelch __P((WINDOW *));
    283 int	 wdeleteln __P((WINDOW *));
    284 int	 werase __P((WINDOW *));
    285 int	 wgetch __P((WINDOW *));
    286 int	 wgetstr __P((WINDOW *, char *));
    287 int	 winsch __P((WINDOW *, int));
    288 int	 winsertln __P((WINDOW *));
    289 int	 wmove __P((WINDOW *, int, int));
    290 int	 wprintw __P((WINDOW *, const char *, ...));
    291 int	 wrefresh __P((WINDOW *));
    292 int	 wscanw __P((WINDOW *, const char *, ...));
    293 int	 wstandend __P((WINDOW *));
    294 int	 wstandout __P((WINDOW *));
    295 int	 vwprintw __P((WINDOW *, const char *, _BSD_VA_LIST_));
    296 
    297 /* Private functions that are needed for user programs prototypes. */
    298 void	 __cputchar __P((int));
    299 int	 __waddbytes __P((WINDOW *, const char *, int, int));
    300 __END_DECLS
    301 
    302 /* Private functions. */
    303 #ifdef _CURSES_PRIVATE
    304 void	 __CTRACE __P((const char *, ...));
    305 u_int	 __hash __P((char *, int));
    306 void	 __id_subwins __P((WINDOW *));
    307 int	 __mvcur __P((int, int, int, int, int));
    308 void	 __restore_stophandler __P((void));
    309 void	 __set_stophandler __P((void));
    310 void	 __set_subwin __P((WINDOW *, WINDOW *));
    311 void	 __startwin __P((void));
    312 void	 __stop_signal_handler __P((int));
    313 void	 __swflags __P((WINDOW *));
    314 int	 __touchline __P((WINDOW *, int, int, int, int));
    315 int	 __touchwin __P((WINDOW *));
    316 char	*__tscroll __P((const char *, int, int));
    317 int	 __waddch __P((WINDOW *, __LDATA *));
    318 
    319 /* Private #defines. */
    320 #define	min(a,b)	(a < b ? a : b)
    321 #define	max(a,b)	(a > b ? a : b)
    322 
    323 /* Private externs. */
    324 extern int	 __echoit;
    325 extern int	 __endwin;
    326 extern int	 __pfast;
    327 extern int	 __rawmode;
    328 extern int	 __noqch;
    329 #endif
    330 
    331 /* Termcap functions. */
    332 __BEGIN_DECLS
    333 int	 tgetent __P((char *, char *));
    334 int	 tgetnum __P((char *));
    335 int	 tgetflag __P((char *));
    336 char	*tgetstr __P((char *, char **));
    337 char	*tgoto __P((char *, int, int));
    338 void	 tputs __P((char *, int, void (*)(int)));
    339 __END_DECLS
    340 
    341 #endif /* !_CURSES_H_ */
    342