curses_private.h revision 1.17
1 /* $NetBSD: curses_private.h,v 1.17 2001/12/02 09:14:21 blymn Exp $ */ 2 3 /*- 4 * Copyright (c) 1998-2000 Brett Lymn 5 * (blymn (at) baea.com.au, brett_lymn (at) 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 16 * derived from this software without specific prior written permission 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 32 #include <termios.h> 33 34 /* Private structure definitions for curses. */ 35 /* 36 * A window an array of __LINE structures pointed to by the 'lines' pointer. 37 * A line is an array of __LDATA structures pointed to by the 'line' pointer. 38 * 39 * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new 40 * fields are added -- padding fields with *constant values* should ensure 41 * that the compiler will not generate any padding when storing an array of 42 * __LDATA structures. This is to enable consistent use of memcmp, and memcpy 43 * for comparing and copying arrays. 44 */ 45 46 struct __ldata { 47 wchar_t ch; /* Character */ 48 attr_t attr; /* Attributes */ 49 wchar_t bch; /* Background character */ 50 attr_t battr; /* Background attributes */ 51 }; 52 53 #define __LDATASIZE (sizeof(__LDATA)) 54 55 struct __line { 56 #define __ISDIRTY 0x01 /* Line is dirty. */ 57 #define __ISPASTEOL 0x02 /* Cursor is past end of line */ 58 unsigned int flags; 59 unsigned int hash; /* Hash value for the line. */ 60 int *firstchp, *lastchp; /* First and last chngd columns ptrs */ 61 int firstch, lastch; /* First and last changed columns. */ 62 __LDATA *line; /* Pointer to the line text. */ 63 }; 64 65 struct __window { /* Window structure. */ 66 struct __window *nextp, *orig; /* Subwindows list and parent. */ 67 int begy, begx; /* Window home. */ 68 int cury, curx; /* Current x, y coordinates. */ 69 int maxy, maxx; /* Maximum values for curx, cury. */ 70 short ch_off; /* x offset for firstch/lastch. */ 71 __LINE **lines; /* Array of pointers to the lines */ 72 __LINE *lspace; /* line space (for cleanup) */ 73 __LDATA *wspace; /* window space (for cleanup) */ 74 75 #define __ENDLINE 0x00000001 /* End of screen. */ 76 #define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */ 77 #define __FULLWIN 0x00000004 /* Window is a screen. */ 78 #define __IDLINE 0x00000008 /* Insert/delete sequences. */ 79 #define __SCROLLWIN 0x00000010 /* Last char will scroll window. */ 80 #define __SCROLLOK 0x00000020 /* Scrolling ok. */ 81 #define __CLEAROK 0x00000040 /* Clear on next refresh. */ 82 #define __LEAVEOK 0x00000100 /* If cursor left */ 83 #define __KEYPAD 0x00010000 /* If interpreting keypad codes */ 84 #define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */ 85 unsigned int flags; 86 int delay; /* delay for getch() */ 87 attr_t wattr; /* Character attributes */ 88 wchar_t bch; /* Background character */ 89 attr_t battr; /* Background attributes */ 90 int scr_t, scr_b; /* Scrolling region top, bottom */ 91 }; 92 93 /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */ 94 #define __TERMATTR \ 95 (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT) 96 97 struct __winlist { 98 struct __window *winp; /* The window. */ 99 struct __winlist *nextp; /* Next window. */ 100 }; 101 102 struct __color { 103 short num; 104 short red; 105 short green; 106 short blue; 107 int flags; 108 }; 109 110 /* List of colour pairs */ 111 struct __pair { 112 short fore; 113 short back; 114 int flags; 115 }; 116 117 /* Maximum colours */ 118 #define MAX_COLORS 64 119 /* Maximum colour pairs - determined by number of colour bits in attr_t */ 120 #define MAX_PAIRS 64 /* PAIR_NUMBER(__COLOR) + 1 */ 121 122 typedef struct keymap keymap_t; 123 124 /* this is the encapsulation of the terminal definition, one for 125 * each terminal that curses talks to. 126 */ 127 struct __screen { 128 FILE *infd, *outfd; /* input and output file descriptors */ 129 WINDOW *curscr; /* Current screen. */ 130 WINDOW *stdscr; /* Standard screen. */ 131 WINDOW *__virtscr; /* Virtual screen (for doupdate()). */ 132 int curwin; /* current window for refresh */ 133 short lx, ly; /* loop parameters for refresh */ 134 int COLS; /* Columns on the screen. */ 135 int LINES; /* Lines on the screen. */ 136 int COLORS; /* Maximum colors on the screen */ 137 int COLOR_PAIRS; /* Maximum color pairs on the screen */ 138 int My_term; /* Use Def_term regardless. */ 139 char GT; /* Gtty indicates tabs. */ 140 char NONL; /* Term can't hack LF doing a CR. */ 141 char UPPERCASE; /* Terminal is uppercase only. */ 142 143 /* BEWARE!!! The order of the following terminal capabilities */ 144 /* (tc_foo) is important - do not update without fixing the zap */ 145 /* function in setterm.c */ 146 char tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi, 147 tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt, 148 tc_xs, tc_xx; 149 int flag_count; 150 int tc_pa, tc_Co, tc_NC; 151 int int_count; 152 char *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL, 153 *tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt, 154 *tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr, 155 *tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm, 156 *tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei, 157 *tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip, 158 *tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3, 159 *tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8, 160 *tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl, 161 *tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll, 162 *tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh, 163 *tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr, 164 *tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc, 165 *tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se, 166 *tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp, 167 *tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti, 168 *tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us, 169 *tc_vb, *tc_ve, *tc_vi, *tc_vs; 170 char CA; 171 int str_count; 172 chtype acs_char[NUM_ACS]; 173 struct __color colours[MAX_COLORS]; 174 struct __pair colour_pairs[MAX_PAIRS]; 175 attr_t nca; 176 177 /* Style of colour manipulation */ 178 #define COLOR_NONE 0 179 #define COLOR_ANSI 1 /* ANSI/DEC-style colour manipulation */ 180 #define COLOR_HP 2 /* HP-style colour manipulation */ 181 #define COLOR_TEK 3 /* Tektronix-style colour manipulation */ 182 #define COLOR_OTHER 4 /* None of the others but can set fore/back */ 183 int color_type; 184 185 attr_t mask_op; 186 attr_t mask_me; 187 attr_t mask_ue; 188 attr_t mask_se; 189 struct tinfo *cursesi_genbuf; 190 int old_mode; /* old cursor visibility state for terminal */ 191 keymap_t *base_keymap; 192 int echoit; 193 int pfast; 194 int rawmode; 195 int noqch; 196 int clearok; 197 int useraw; 198 struct __winlist *winlistp; 199 struct termios cbreakt, rawt, *curt, save_termios; 200 struct termios orig_termios, baset, savedtty; 201 int ovmin; 202 int ovtime; 203 char *stdbuf; 204 unsigned int len; 205 int meta_state; 206 char pad_char; 207 char ttytype[1024]; 208 int endwin; 209 }; 210 211 212 extern char __GT; /* Gtty indicates tabs. */ 213 extern char __NONL; /* Term can't hack LF doing a CR. */ 214 extern char __UPPERCASE; /* Terminal is uppercase only. */ 215 extern int My_term; /* Use Def_term regardless. */ 216 extern const char *Def_term; /* Default terminal type. */ 217 extern SCREEN *_cursesi_screen; /* The current screen in use */ 218 219 /* Private functions. */ 220 #ifdef DEBUG 221 void __CTRACE(const char *fmt, ...); 222 #endif 223 void _cursesi_free_keymap(keymap_t *map); 224 int _cursesi_gettmode(SCREEN *screen); 225 void _cursesi_reset_acs(SCREEN *screen); 226 void _cursesi_resetterm(SCREEN *screen); 227 int _cursesi_setterm(char *type, SCREEN *screen); 228 int __delay(void); 229 unsigned int __hash(char *s, int len); 230 void __id_subwins(WINDOW *orig); 231 void __init_getch(SCREEN *screen); 232 void __init_acs(SCREEN *screen); 233 char *__longname(char *bp, char *def); /* Original BSD version */ 234 int __mvcur(int ly, int lx, int y, int x, int in_refresh); 235 WINDOW *__newwin(SCREEN *screen, int lines, int cols, int y, int x); 236 int __nodelay(void); 237 int __notimeout(void); 238 char *__parse_cap(const char *, ...); 239 void __restartwin(void); 240 void __restore_colors(void); 241 void __restore_cursor_vis(void); 242 void __restore_meta_state(void); 243 void __restore_termios(void); 244 void __restore_stophandler(void); 245 void __save_termios(void); 246 void __set_color(attr_t attr); 247 void __set_stophandler(void); 248 void __set_subwin(WINDOW *orig, WINDOW *win); 249 void __startwin(SCREEN *screen); 250 void __stop_signal_handler(int signo); 251 int __stopwin(void); 252 void __swflags(WINDOW *win); 253 int __timeout(int delay); 254 int __touchline(WINDOW *win, int y, int sx, int ex); 255 int __touchwin(WINDOW *win); 256 char *__tscroll(const char *cap, int n1, int n2); 257 void __unsetattr(int); 258 int __waddch(WINDOW *win, __LDATA *dp); 259 int __wgetnstr(WINDOW *, char *, int); 260 261 /* Private #defines. */ 262 #define min(a,b) (a < b ? a : b) 263 #define max(a,b) (a > b ? a : b) 264 265 /* Private externs. */ 266 extern int __echoit; 267 extern int __endwin; 268 extern int __pfast; 269 extern int __rawmode; 270 extern int __noqch; 271 extern attr_t __nca; 272 extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se; 273 extern struct __winlist *__winlistp; 274 extern WINDOW *__virtscr; 275
Indexes created Wed Sep 24 05:09:52 GMT 2025