Annotation of src/lib/libcurses/curses_private.h, Revision 1.36
1.36 ! jdc 1: /* $NetBSD: curses_private.h,v 1.35 2004/03/22 18:57:38 jdc Exp $ */
1.1 blymn 2:
3: /*-
4: * Copyright (c) 1998-2000 Brett Lymn
5: * (blymn@baea.com.au, brett_lymn@yahoo.com.au)
6: * All rights reserved.
7: *
8: * This code has been donated to The NetBSD Foundation by the Author.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. The name of the author may not be used to endorse or promote products
1.16 wiz 16: * derived from this software without specific prior written permission
1.1 blymn 17: *
18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28: *
29: *
30: */
31:
1.17 blymn 32: #include <termios.h>
33:
1.1 blymn 34: /* Private structure definitions for curses. */
1.18 blymn 35:
36: /* Termcap capabilities. */
37: extern char __tc_am, __tc_bs, __tc_cc, __tc_da, __tc_eo,
38: __tc_hc, __tc_hl, __tc_in, __tc_mi, __tc_ms,
39: __tc_nc, __tc_ns, __tc_os, __tc_ul, __tc_ut,
40: __tc_xb, __tc_xn, __tc_xt, __tc_xs, __tc_xx;
41: extern char __CA;
42: extern int __tc_pa, __tc_Co, __tc_NC;
43: extern char *__tc_ac, *__tc_AB, *__tc_ae, *__tc_AF, *__tc_AL,
44: *__tc_al, *__tc_as, *__tc_bc, *__tc_bl, *__tc_bt,
45: *__tc_cd, *__tc_ce, *__tc_cl, *__tc_cm, *__tc_cr,
46: *__tc_cs, *__tc_dc, *__tc_DL, *__tc_dl, *__tc_dm,
47: *__tc_DO, *__tc_do, *__tc_eA, *__tc_ed, *__tc_ei,
48: *__tc_ho, *__tc_Ic, *__tc_ic, *__tc_im, *__tc_Ip,
49: *__tc_ip, *__tc_k0, *__tc_k1, *__tc_k2, *__tc_k3,
50: *__tc_k4, *__tc_k5, *__tc_k6, *__tc_k7, *__tc_k8,
51: *__tc_k9, *__tc_kd, *__tc_ke, *__tc_kh, *__tc_kl,
52: *__tc_kr, *__tc_ks, *__tc_ku, *__tc_LE, *__tc_ll,
53: *__tc_ma, *__tc_mb, *__tc_md, *__tc_me, *__tc_mh,
54: *__tc_mk, *__tc_mm, *__tc_mo, *__tc_mp, *__tc_mr,
55: *__tc_nd, *__tc_nl, *__tc_oc, *__tc_op,
56: *__tc_rc, *__tc_RI, *__tc_Sb, *__tc_sc, *__tc_se,
57: *__tc_SF, *__tc_Sf, *__tc_sf, *__tc_so, *__tc_sp,
58: *__tc_SR, *__tc_sr, *__tc_ta, *__tc_te, *__tc_ti,
59: *__tc_uc, *__tc_ue, *__tc_UP, *__tc_up, *__tc_us,
60: *__tc_vb, *__tc_ve, *__tc_vi, *__tc_vs;
61:
1.1 blymn 62: /*
63: * A window an array of __LINE structures pointed to by the 'lines' pointer.
64: * A line is an array of __LDATA structures pointed to by the 'line' pointer.
65: *
66: * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new
67: * fields are added -- padding fields with *constant values* should ensure
68: * that the compiler will not generate any padding when storing an array of
69: * __LDATA structures. This is to enable consistent use of memcmp, and memcpy
70: * for comparing and copying arrays.
71: */
72:
73: struct __ldata {
74: wchar_t ch; /* Character */
75: attr_t attr; /* Attributes */
1.5 jdc 76: wchar_t bch; /* Background character */
77: attr_t battr; /* Background attributes */
1.1 blymn 78: };
79:
80: #define __LDATASIZE (sizeof(__LDATA))
81:
82: struct __line {
1.24 blymn 83: #ifdef DEBUG
84: #define SENTINEL_VALUE 0xaac0ffee
85:
86: unsigned int sentinel; /* try to catch line overflows */
87: #endif
1.1 blymn 88: #define __ISDIRTY 0x01 /* Line is dirty. */
89: #define __ISPASTEOL 0x02 /* Cursor is past end of line */
90: unsigned int flags;
91: unsigned int hash; /* Hash value for the line. */
92: int *firstchp, *lastchp; /* First and last chngd columns ptrs */
93: int firstch, lastch; /* First and last changed columns. */
94: __LDATA *line; /* Pointer to the line text. */
95: };
96:
97: struct __window { /* Window structure. */
98: struct __window *nextp, *orig; /* Subwindows list and parent. */
99: int begy, begx; /* Window home. */
100: int cury, curx; /* Current x, y coordinates. */
101: int maxy, maxx; /* Maximum values for curx, cury. */
1.29 dsl 102: int reqy, reqx; /* Size requested when created */
103: int ch_off; /* x offset for firstch/lastch. */
1.1 blymn 104: __LINE **lines; /* Array of pointers to the lines */
105: __LINE *lspace; /* line space (for cleanup) */
106: __LDATA *wspace; /* window space (for cleanup) */
107:
108: #define __ENDLINE 0x00000001 /* End of screen. */
109: #define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */
110: #define __FULLWIN 0x00000004 /* Window is a screen. */
111: #define __IDLINE 0x00000008 /* Insert/delete sequences. */
112: #define __SCROLLWIN 0x00000010 /* Last char will scroll window. */
113: #define __SCROLLOK 0x00000020 /* Scrolling ok. */
114: #define __CLEAROK 0x00000040 /* Clear on next refresh. */
115: #define __LEAVEOK 0x00000100 /* If cursor left */
116: #define __KEYPAD 0x00010000 /* If interpreting keypad codes */
117: #define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */
1.26 jdc 118: #define __IDCHAR 0x00040000 /* insert/delete char sequences */
119: #define __ISPAD 0x00080000 /* "window" is a pad */
1.1 blymn 120: unsigned int flags;
121: int delay; /* delay for getch() */
122: attr_t wattr; /* Character attributes */
1.5 jdc 123: wchar_t bch; /* Background character */
1.2 jdc 124: attr_t battr; /* Background attributes */
1.14 jdc 125: int scr_t, scr_b; /* Scrolling region top, bottom */
1.32 dsl 126: SCREEN *screen; /* Screen for this window */
1.36 ! jdc 127: int pbegy, pbegx,
! 128: sbegy, sbegx,
! 129: smaxy, smaxx; /* Saved prefresh() values */
1.1 blymn 130: };
1.5 jdc 131:
132: /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */
133: #define __TERMATTR \
134: (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT)
1.2 jdc 135:
1.3 jdc 136: struct __winlist {
137: struct __window *winp; /* The window. */
138: struct __winlist *nextp; /* Next window. */
139: };
140:
1.17 blymn 141: struct __color {
142: short num;
143: short red;
144: short green;
145: short blue;
146: int flags;
147: };
148:
149: /* List of colour pairs */
150: struct __pair {
151: short fore;
152: short back;
153: int flags;
154: };
155:
156: /* Maximum colours */
157: #define MAX_COLORS 64
158: /* Maximum colour pairs - determined by number of colour bits in attr_t */
1.25 jdc 159: #define MAX_PAIRS PAIR_NUMBER(__COLOR)
1.17 blymn 160:
161: typedef struct keymap keymap_t;
162:
163: /* this is the encapsulation of the terminal definition, one for
164: * each terminal that curses talks to.
165: */
166: struct __screen {
167: FILE *infd, *outfd; /* input and output file descriptors */
168: WINDOW *curscr; /* Current screen. */
169: WINDOW *stdscr; /* Standard screen. */
170: WINDOW *__virtscr; /* Virtual screen (for doupdate()). */
171: int curwin; /* current window for refresh */
1.29 dsl 172: int lx, ly; /* loop parameters for refresh */
1.17 blymn 173: int COLS; /* Columns on the screen. */
174: int LINES; /* Lines on the screen. */
175: int COLORS; /* Maximum colors on the screen */
176: int COLOR_PAIRS; /* Maximum color pairs on the screen */
177: int My_term; /* Use Def_term regardless. */
178: char GT; /* Gtty indicates tabs. */
179: char NONL; /* Term can't hack LF doing a CR. */
180: char UPPERCASE; /* Terminal is uppercase only. */
181:
182: /* BEWARE!!! The order of the following terminal capabilities */
183: /* (tc_foo) is important - do not update without fixing the zap */
184: /* function in setterm.c */
185: char tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi,
186: tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt,
187: tc_xs, tc_xx;
188: int flag_count;
189: int tc_pa, tc_Co, tc_NC;
190: int int_count;
191: char *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL,
192: *tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt,
193: *tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr,
194: *tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm,
195: *tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei,
196: *tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip,
197: *tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3,
198: *tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8,
199: *tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl,
200: *tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll,
201: *tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh,
202: *tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr,
203: *tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc,
204: *tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se,
205: *tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp,
206: *tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti,
207: *tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us,
208: *tc_vb, *tc_ve, *tc_vi, *tc_vs;
209: char CA;
210: int str_count;
211: chtype acs_char[NUM_ACS];
212: struct __color colours[MAX_COLORS];
213: struct __pair colour_pairs[MAX_PAIRS];
214: attr_t nca;
1.20 blymn 215:
1.17 blymn 216: /* Style of colour manipulation */
217: #define COLOR_NONE 0
218: #define COLOR_ANSI 1 /* ANSI/DEC-style colour manipulation */
219: #define COLOR_HP 2 /* HP-style colour manipulation */
220: #define COLOR_TEK 3 /* Tektronix-style colour manipulation */
221: #define COLOR_OTHER 4 /* None of the others but can set fore/back */
222: int color_type;
1.20 blymn 223:
1.17 blymn 224: attr_t mask_op;
225: attr_t mask_me;
226: attr_t mask_ue;
227: attr_t mask_se;
228: struct tinfo *cursesi_genbuf;
229: int old_mode; /* old cursor visibility state for terminal */
230: keymap_t *base_keymap;
231: int echoit;
232: int pfast;
233: int rawmode;
1.30 jdc 234: int nl;
1.17 blymn 235: int noqch;
236: int clearok;
237: int useraw;
238: struct __winlist *winlistp;
239: struct termios cbreakt, rawt, *curt, save_termios;
240: struct termios orig_termios, baset, savedtty;
241: int ovmin;
242: int ovtime;
243: char *stdbuf;
244: unsigned int len;
245: int meta_state;
246: char pad_char;
1.21 christos 247: char ttytype[128];
1.17 blymn 248: int endwin;
1.22 itojun 249: int notty;
1.27 blymn 250: int half_delay;
1.35 jdc 251: int resized;
1.17 blymn 252: };
253:
254:
1.11 jdc 255: extern char __GT; /* Gtty indicates tabs. */
256: extern char __NONL; /* Term can't hack LF doing a CR. */
257: extern char __UPPERCASE; /* Terminal is uppercase only. */
258: extern int My_term; /* Use Def_term regardless. */
259: extern const char *Def_term; /* Default terminal type. */
1.17 blymn 260: extern SCREEN *_cursesi_screen; /* The current screen in use */
1.11 jdc 261:
1.2 jdc 262: /* Private functions. */
263: #ifdef DEBUG
1.29 dsl 264: void __CTRACE(const char *, ...) __attribute__((__format__(__printf__, 1, 0)));
1.2 jdc 265: #endif
1.23 itojun 266: void __cputchar_args(char, void *);
267: void _cursesi_free_keymap(keymap_t *);
268: int _cursesi_gettmode(SCREEN *);
269: void _cursesi_reset_acs(SCREEN *);
270: void _cursesi_resetterm(SCREEN *);
271: int _cursesi_setterm(char *, SCREEN *);
1.4 blymn 272: int __delay(void);
1.23 itojun 273: u_int __hash_more(char *, size_t, u_int);
274: #define __hash(s, len) __hash_more((s), (len), 0u)
275: void __id_subwins(WINDOW *);
276: void __init_getch(SCREEN *);
277: void __init_acs(SCREEN *);
278: char *__longname(char *, char *); /* Original BSD version */
279: int __mvcur(int, int, int, int, int);
1.26 jdc 280: WINDOW *__newwin(SCREEN *, int, int, int, int, int);
1.4 blymn 281: int __nodelay(void);
282: int __notimeout(void);
283: char *__parse_cap(const char *, ...);
284: void __restartwin(void);
285: void __restore_colors(void);
1.6 blymn 286: void __restore_cursor_vis(void);
287: void __restore_meta_state(void);
1.4 blymn 288: void __restore_termios(void);
289: void __restore_stophandler(void);
1.35 jdc 290: void __restore_winchhandler(void);
1.4 blymn 291: void __save_termios(void);
1.25 jdc 292: void __set_color(WINDOW *win, attr_t attr);
1.4 blymn 293: void __set_stophandler(void);
1.35 jdc 294: void __set_winchhandler(void);
1.23 itojun 295: void __set_subwin(WINDOW *, WINDOW *);
296: void __startwin(SCREEN *);
297: void __stop_signal_handler(int);
1.4 blymn 298: int __stopwin(void);
1.23 itojun 299: void __swflags(WINDOW *);
300: int __timeout(int);
301: int __touchline(WINDOW *, int, int, int);
302: int __touchwin(WINDOW *);
303: char *__tscroll(const char *, int, int);
1.7 jdc 304: void __unsetattr(int);
1.25 jdc 305: void __unset_color(WINDOW *win);
1.23 itojun 306: int __waddch(WINDOW *, __LDATA *);
1.15 jdc 307: int __wgetnstr(WINDOW *, char *, int);
1.35 jdc 308: void __winch_signal_handler(int);
1.2 jdc 309:
310: /* Private #defines. */
1.23 itojun 311: #define min(a,b) ((a) < (b) ? (a) : (b))
312: #define max(a,b) ((a) > (b) ? (a ): (b))
1.2 jdc 313:
314: /* Private externs. */
1.3 jdc 315: extern int __echoit;
316: extern int __endwin;
317: extern int __pfast;
318: extern int __rawmode;
319: extern int __noqch;
1.11 jdc 320: extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se;
1.7 jdc 321: extern WINDOW *__virtscr;
1.25 jdc 322: extern int __using_color;
323: extern attr_t __default_color;
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