1 /* $NetBSD: curses_private.h,v 1.12 2000/12/22 17:07:13 jdc Exp $ */ 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 16 * derived from this software withough 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 /* Private structure definitions for curses. */ 33 /* 34 * A window an array of __LINE structures pointed to by the 'lines' pointer. 35 * A line is an array of __LDATA structures pointed to by the 'line' pointer. 36 * 37 * IMPORTANT: the __LDATA structure must NOT induce any padding, so if new 38 * fields are added -- padding fields with *constant values* should ensure 39 * that the compiler will not generate any padding when storing an array of 40 * __LDATA structures. This is to enable consistent use of memcmp, and memcpy 41 * for comparing and copying arrays. 42 */ 43 44 struct __ldata { 45 wchar_t ch; /* Character */ 46 attr_t attr; /* Attributes */ 47 wchar_t bch; /* Background character */ 48 attr_t battr; /* Background attributes */ 49 }; 50 51 #define __LDATASIZE (sizeof(__LDATA)) 52 53 struct __line { 54 #define __ISDIRTY 0x01 /* Line is dirty. */ 55 #define __ISPASTEOL 0x02 /* Cursor is past end of line */ 56 unsigned int flags; 57 unsigned int hash; /* Hash value for the line. */ 58 int *firstchp, *lastchp; /* First and last chngd columns ptrs */ 59 int firstch, lastch; /* First and last changed columns. */ 60 __LDATA *line; /* Pointer to the line text. */ 61 }; 62 63 struct __window { /* Window structure. */ 64 struct __window *nextp, *orig; /* Subwindows list and parent. */ 65 int begy, begx; /* Window home. */ 66 int cury, curx; /* Current x, y coordinates. */ 67 int maxy, maxx; /* Maximum values for curx, cury. */ 68 short ch_off; /* x offset for firstch/lastch. */ 69 __LINE **lines; /* Array of pointers to the lines */ 70 __LINE *lspace; /* line space (for cleanup) */ 71 __LDATA *wspace; /* window space (for cleanup) */ 72 73 #define __ENDLINE 0x00000001 /* End of screen. */ 74 #define __FLUSH 0x00000002 /* Fflush(stdout) after refresh. */ 75 #define __FULLWIN 0x00000004 /* Window is a screen. */ 76 #define __IDLINE 0x00000008 /* Insert/delete sequences. */ 77 #define __SCROLLWIN 0x00000010 /* Last char will scroll window. */ 78 #define __SCROLLOK 0x00000020 /* Scrolling ok. */ 79 #define __CLEAROK 0x00000040 /* Clear on next refresh. */ 80 #define __LEAVEOK 0x00000100 /* If cursor left */ 81 #define __KEYPAD 0x00010000 /* If interpreting keypad codes */ 82 #define __NOTIMEOUT 0x00020000 /* Wait indefinitely for func keys */ 83 unsigned int flags; 84 int delay; /* delay for getch() */ 85 attr_t wattr; /* Character attributes */ 86 wchar_t bch; /* Background character */ 87 attr_t battr; /* Background attributes */ 88 }; 89 90 /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */ 91 #define __TERMATTR \ 92 (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT) 93 94 struct __winlist { 95 struct __window *winp; /* The window. */ 96 struct __winlist *nextp; /* Next window. */ 97 }; 98 99 /* Private variables. */ 100 extern char __GT; /* Gtty indicates tabs. */ 101 extern char __NONL; /* Term can't hack LF doing a CR. */ 102 extern char __UPPERCASE; /* Terminal is uppercase only. */ 103 104 extern int My_term; /* Use Def_term regardless. */ 105 extern const char *Def_term; /* Default terminal type. */ 106 107 /* Termcap capabilities. */ 108 extern char __tc_am, __tc_bs, __tc_cc, __tc_da, __tc_eo, 109 __tc_hc, __tc_hl, __tc_in, __tc_mi, __tc_ms, 110 __tc_nc, __tc_ns, __tc_os, __tc_ul, __tc_ut, 111 __tc_xb, __tc_xn, __tc_xt, __tc_xs, __tc_xx; 112 extern char __CA; 113 extern int __tc_pa, __tc_Co, __tc_NC; 114 extern char *__tc_ac, *__tc_AB, *__tc_ae, *__tc_AF, *__tc_AL, 115 *__tc_al, *__tc_as, *__tc_bc, *__tc_bl, *__tc_bt, 116 *__tc_cd, *__tc_ce, *__tc_cl, *__tc_cm, *__tc_cr, 117 *__tc_cs, *__tc_dc, *__tc_DL, *__tc_dl, *__tc_dm, 118 *__tc_DO, *__tc_do, *__tc_eA, *__tc_ed, *__tc_ei, 119 *__tc_ho, *__tc_Ic, *__tc_ic, *__tc_im, *__tc_Ip, 120 *__tc_ip, *__tc_k0, *__tc_k1, *__tc_k2, *__tc_k3, 121 *__tc_k4, *__tc_k5, *__tc_k6, *__tc_k7, *__tc_k8, 122 *__tc_k9, *__tc_kd, *__tc_ke, *__tc_kh, *__tc_kl, 123 *__tc_kr, *__tc_ks, *__tc_ku, *__tc_LE, *__tc_ll, 124 *__tc_ma, *__tc_mb, *__tc_md, *__tc_me, *__tc_mh, 125 *__tc_mk, *__tc_mm, *__tc_mo, *__tc_mp, *__tc_mr, 126 *__tc_nd, *__tc_nl, *__tc_oc, *__tc_op, 127 *__tc_rc, *__tc_RI, *__tc_Sb, *__tc_sc, *__tc_se, 128 *__tc_SF, *__tc_Sf, *__tc_sf, *__tc_so, *__tc_sp, 129 *__tc_SR, *__tc_sr, *__tc_ta, *__tc_te, *__tc_ti, 130 *__tc_uc, *__tc_ue, *__tc_UP, *__tc_up, *__tc_us, 131 *__tc_vb, *__tc_ve, *__tc_vi, *__tc_vs; 132 133 /* Private functions. */ 134 #ifdef DEBUG 135 void __CTRACE(const char *fmt, ...); 136 #endif 137 int __delay(void); 138 unsigned int __hash(char *s, int len); 139 void __id_subwins(WINDOW *orig); 140 void __init_getch(void); 141 void __init_acs(void); 142 char *__longname(char *bp, char *def); /* Original BSD version */ 143 int __mvcur(int ly, int lx, int y, int x, int in_refresh); 144 int __nodelay(void); 145 int __notimeout(void); 146 char *__parse_cap(const char *, ...); 147 void __restartwin(void); 148 void __restore_colors(void); 149 void __restore_cursor_vis(void); 150 void __restore_meta_state(void); 151 void __restore_termios(void); 152 void __restore_stophandler(void); 153 void __save_termios(void); 154 void __set_color(attr_t attr); 155 void __set_stophandler(void); 156 void __set_subwin(WINDOW *orig, WINDOW *win); 157 void __startwin(void); 158 void __stop_signal_handler(int signo); 159 int __stopwin(void); 160 void __swflags(WINDOW *win); 161 int __timeout(int delay); 162 int __touchline(WINDOW *win, int y, int sx, int ex); 163 int __touchwin(WINDOW *win); 164 char *__tscroll(const char *cap, int n1, int n2); 165 void __unsetattr(int); 166 int __waddch(WINDOW *win, __LDATA *dp); 167 168 /* Private #defines. */ 169 #define min(a,b) (a < b ? a : b) 170 #define max(a,b) (a > b ? a : b) 171 172 /* Private externs. */ 173 extern int __echoit; 174 extern int __endwin; 175 extern int __pfast; 176 extern int __rawmode; 177 extern int __noqch; 178 extern attr_t __nca; 179 extern attr_t __mask_op, __mask_me, __mask_ue, __mask_se; 180 extern struct __winlist *__winlistp; 181 extern WINDOW *__virtscr; 182