xref: /netbsd-src/lib/libcurses/curses.h (revision 6ea46cb5e46c49111a6ecf3bcbe3c7e2730fe9f6)
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 int	 tputs __P((char *, int, void (*)(int)));
339 __END_DECLS
340 
341 #endif /* !_CURSES_H_ */
342