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Annotation of src/lib/libcurses/curses_private.h, Revision 1.20.2.1

1.20.2.1! grant       1: /*     $NetBSD: curses_private.h,v 1.20 2002/01/02 10:38:27 blymn 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 {
                     83: #define        __ISDIRTY       0x01            /* Line is dirty. */
                     84: #define __ISPASTEOL    0x02            /* Cursor is past end of line */
                     85:        unsigned int flags;
                     86:        unsigned int hash;              /* Hash value for the line. */
                     87:        int *firstchp, *lastchp;        /* First and last chngd columns ptrs */
                     88:        int firstch, lastch;            /* First and last changed columns. */
                     89:        __LDATA *line;                  /* Pointer to the line text. */
                     90: };
                     91:
                     92: struct __window {              /* Window structure. */
                     93:        struct __window *nextp, *orig;  /* Subwindows list and parent. */
                     94:        int begy, begx;                 /* Window home. */
                     95:        int cury, curx;                 /* Current x, y coordinates. */
                     96:        int maxy, maxx;                 /* Maximum values for curx, cury. */
                     97:        short ch_off;                   /* x offset for firstch/lastch. */
                     98:        __LINE **lines;                 /* Array of pointers to the lines */
                     99:        __LINE  *lspace;                /* line space (for cleanup) */
                    100:        __LDATA *wspace;                /* window space (for cleanup) */
                    101:
                    102: #define        __ENDLINE       0x00000001      /* End of screen. */
                    103: #define        __FLUSH         0x00000002      /* Fflush(stdout) after refresh. */
                    104: #define        __FULLWIN       0x00000004      /* Window is a screen. */
                    105: #define        __IDLINE        0x00000008      /* Insert/delete sequences. */
                    106: #define        __SCROLLWIN     0x00000010      /* Last char will scroll window. */
                    107: #define        __SCROLLOK      0x00000020      /* Scrolling ok. */
                    108: #define        __CLEAROK       0x00000040      /* Clear on next refresh. */
                    109: #define        __LEAVEOK       0x00000100      /* If cursor left */
                    110: #define        __KEYPAD        0x00010000      /* If interpreting keypad codes */
                    111: #define        __NOTIMEOUT     0x00020000      /* Wait indefinitely for func keys */
                    112:        unsigned int flags;
                    113:        int     delay;                  /* delay for getch() */
                    114:        attr_t  wattr;                  /* Character attributes */
1.5       jdc       115:        wchar_t bch;                    /* Background character */
1.2       jdc       116:        attr_t  battr;                  /* Background attributes */
1.14      jdc       117:        int     scr_t, scr_b;           /* Scrolling region top, bottom */
1.1       blymn     118: };
1.5       jdc       119:
                    120: /* Set of attributes unset by 'me' - 'mb', 'md', 'mh', 'mk', 'mp' and 'mr'. */
                    121: #define        __TERMATTR \
                    122:        (__REVERSE | __BLINK | __DIM | __BOLD | __BLANK | __PROTECT)
1.2       jdc       123:
1.3       jdc       124: struct __winlist {
                    125:        struct __window         *winp;  /* The window. */
                    126:        struct __winlist        *nextp; /* Next window. */
                    127: };
                    128:
1.17      blymn     129: struct __color {
                    130:        short   num;
                    131:        short   red;
                    132:        short   green;
                    133:        short   blue;
                    134:        int     flags;
                    135: };
                    136:
                    137: /* List of colour pairs */
                    138: struct __pair {
                    139:        short   fore;
                    140:        short   back;
                    141:        int     flags;
                    142: };
                    143:
                    144: /* Maximum colours */
                    145: #define        MAX_COLORS      64
                    146: /* Maximum colour pairs - determined by number of colour bits in attr_t */
                    147: #define        MAX_PAIRS       64      /* PAIR_NUMBER(__COLOR) + 1 */
                    148:
                    149: typedef struct keymap keymap_t;
                    150:
                    151: /* this is the encapsulation of the terminal definition, one for
                    152:  * each terminal that curses talks to.
                    153:  */
                    154: struct __screen {
                    155:        FILE    *infd, *outfd;  /* input and output file descriptors */
                    156:        WINDOW  *curscr;        /* Current screen. */
                    157:        WINDOW  *stdscr;        /* Standard screen. */
                    158:        WINDOW  *__virtscr;     /* Virtual screen (for doupdate()). */
                    159:        int      curwin;        /* current window for refresh */
                    160:        short    lx, ly;        /* loop parameters for refresh */
                    161:        int      COLS;          /* Columns on the screen. */
                    162:        int      LINES;         /* Lines on the screen. */
                    163:        int      COLORS;        /* Maximum colors on the screen */
                    164:        int      COLOR_PAIRS;   /* Maximum color pairs on the screen */
                    165:        int      My_term;       /* Use Def_term regardless. */
                    166:        char     GT;            /* Gtty indicates tabs. */
                    167:        char     NONL;          /* Term can't hack LF doing a CR. */
                    168:        char     UPPERCASE;     /* Terminal is uppercase only. */
                    169:
                    170:         /* BEWARE!!! The order of the following terminal capabilities */
                    171:         /* (tc_foo) is important - do not update without fixing the zap */
                    172:         /* function in setterm.c */
                    173:        char    tc_am, tc_bs, tc_cc, tc_da, tc_eo, tc_hc, tc_hl, tc_in, tc_mi,
                    174:                tc_ms, tc_nc, tc_ns, tc_os, tc_ul, tc_ut, tc_xb, tc_xn, tc_xt,
                    175:                tc_xs, tc_xx;
                    176:        int     flag_count;
                    177:        int     tc_pa, tc_Co, tc_NC;
                    178:        int     int_count;
                    179:        char    *tc_AB, *tc_ac, *tc_ae, *tc_AF, *tc_AL,
                    180:                *tc_al, *tc_as, *tc_bc, *tc_bl, *tc_bt,
                    181:                *tc_cd, *tc_ce, *tc_cl, *tc_cm, *tc_cr,
                    182:                *tc_cs, *tc_dc, *tc_DL, *tc_dl, *tc_dm,
                    183:                *tc_DO, *tc_do, *tc_eA, *tc_ed, *tc_ei,
                    184:                *tc_ho, *tc_Ic, *tc_ic, *tc_im, *tc_Ip,
                    185:                *tc_ip, *tc_k0, *tc_k1, *tc_k2, *tc_k3,
                    186:                *tc_k4, *tc_k5, *tc_k6, *tc_k7, *tc_k8,
                    187:                *tc_k9, *tc_kd, *tc_ke, *tc_kh, *tc_kl,
                    188:                *tc_kr, *tc_ks, *tc_ku, *tc_LE, *tc_ll,
                    189:                *tc_ma, *tc_mb, *tc_md, *tc_me, *tc_mh,
                    190:                *tc_mk, *tc_mm, *tc_mo, *tc_mp, *tc_mr,
                    191:                *tc_nd, *tc_nl, *tc_oc, *tc_op, *tc_pc,
                    192:                *tc_rc, *tc_RI, *tc_Sb, *tc_sc, *tc_se,
                    193:                *tc_SF, *tc_Sf, *tc_sf, *tc_so, *tc_sp,
                    194:                *tc_SR, *tc_sr, *tc_ta, *tc_te, *tc_ti,
                    195:                *tc_uc, *tc_ue, *tc_UP, *tc_up, *tc_us,
                    196:                *tc_vb, *tc_ve, *tc_vi, *tc_vs;
                    197:        char CA;
                    198:        int str_count;
                    199:        chtype acs_char[NUM_ACS];
                    200:        struct __color colours[MAX_COLORS];
                    201:        struct __pair  colour_pairs[MAX_PAIRS];
                    202:        attr_t  nca;
1.20      blymn     203:
1.17      blymn     204: /* Style of colour manipulation */
                    205: #define COLOR_NONE     0
                    206: #define COLOR_ANSI     1       /* ANSI/DEC-style colour manipulation */
                    207: #define COLOR_HP       2       /* HP-style colour manipulation */
                    208: #define COLOR_TEK      3       /* Tektronix-style colour manipulation */
                    209: #define COLOR_OTHER    4       /* None of the others but can set fore/back */
                    210:        int color_type;
1.20      blymn     211:
1.17      blymn     212:        attr_t mask_op;
                    213:        attr_t mask_me;
                    214:        attr_t mask_ue;
                    215:        attr_t mask_se;
                    216:        struct tinfo *cursesi_genbuf;
                    217:        int old_mode; /* old cursor visibility state for terminal */
                    218:        keymap_t *base_keymap;
                    219:        int echoit;
                    220:        int pfast;
                    221:        int rawmode;
1.20.2.1! grant     222:        int nl;
1.17      blymn     223:        int noqch;
                    224:        int clearok;
                    225:        int useraw;
                    226:        struct __winlist *winlistp;
                    227:        struct   termios cbreakt, rawt, *curt, save_termios;
                    228:        struct termios orig_termios, baset, savedtty;
                    229:        int ovmin;
                    230:        int ovtime;
                    231:        char *stdbuf;
                    232:        unsigned int len;
                    233:        int meta_state;
                    234:        char pad_char;
                    235:        char ttytype[1024];
                    236:        int endwin;
                    237: };
                    238:
                    239:
1.11      jdc       240: extern char     __GT;                  /* Gtty indicates tabs. */
                    241: extern char     __NONL;                /* Term can't hack LF doing a CR. */
                    242: extern char     __UPPERCASE;           /* Terminal is uppercase only. */
                    243: extern int      My_term;               /* Use Def_term regardless. */
                    244: extern const char      *Def_term;      /* Default terminal type. */
1.17      blymn     245: extern SCREEN   *_cursesi_screen;       /* The current screen in use */
1.11      jdc       246:
1.2       jdc       247: /* Private functions. */
                    248: #ifdef DEBUG
1.4       blymn     249: void    __CTRACE(const char *fmt, ...);
1.2       jdc       250: #endif
1.19      blymn     251: void     __cputchar_args(char ch, void *args);
1.17      blymn     252: void     _cursesi_free_keymap(keymap_t *map);
                    253: int      _cursesi_gettmode(SCREEN *screen);
                    254: void     _cursesi_reset_acs(SCREEN *screen);
                    255: void     _cursesi_resetterm(SCREEN *screen);
                    256: int      _cursesi_setterm(char *type, SCREEN *screen);
1.19      blymn     257: int      _cursesi_wnoutrefresh(SCREEN *screen, WINDOW *win);
1.4       blymn     258: int     __delay(void);
                    259: unsigned int __hash(char *s, int len);
                    260: void    __id_subwins(WINDOW *orig);
1.17      blymn     261: void    __init_getch(SCREEN *screen);
                    262: void    __init_acs(SCREEN *screen);
1.4       blymn     263: char   *__longname(char *bp, char *def);       /* Original BSD version */
                    264: int     __mvcur(int ly, int lx, int y, int x, int in_refresh);
1.17      blymn     265: WINDOW  *__newwin(SCREEN *screen, int lines, int cols, int y, int x);
1.4       blymn     266: int     __nodelay(void);
                    267: int     __notimeout(void);
                    268: char   *__parse_cap(const char *, ...);
                    269: void    __restartwin(void);
                    270: void    __restore_colors(void);
1.6       blymn     271: void     __restore_cursor_vis(void);
                    272: void     __restore_meta_state(void);
1.4       blymn     273: void    __restore_termios(void);
                    274: void    __restore_stophandler(void);
                    275: void    __save_termios(void);
                    276: void    __set_color(attr_t attr);
                    277: void    __set_stophandler(void);
                    278: void    __set_subwin(WINDOW *orig, WINDOW *win);
1.17      blymn     279: void    __startwin(SCREEN *screen);
1.4       blymn     280: void    __stop_signal_handler(int signo);
                    281: int     __stopwin(void);
                    282: void    __swflags(WINDOW *win);
                    283: int     __timeout(int delay);
1.10      mycroft   284: int     __touchline(WINDOW *win, int y, int sx, int ex);
1.4       blymn     285: int     __touchwin(WINDOW *win);
                    286: char   *__tscroll(const char *cap, int n1, int n2);
1.7       jdc       287: void    __unsetattr(int);
1.4       blymn     288: int     __waddch(WINDOW *win, __LDATA *dp);
1.15      jdc       289: int     __wgetnstr(WINDOW *, char *, int);
1.2       jdc       290:
                    291: /* Private #defines. */
                    292: #define        min(a,b)        (a < b ? a : b)
                    293: #define        max(a,b)        (a > b ? a : b)
                    294:
                    295: /* Private externs. */
1.3       jdc       296: extern int              __echoit;
                    297: extern int              __endwin;
                    298: extern int              __pfast;
                    299: extern int              __rawmode;
                    300: extern int              __noqch;
                    301: extern attr_t           __nca;
1.11      jdc       302: extern attr_t           __mask_op, __mask_me, __mask_ue, __mask_se;
1.3       jdc       303: extern struct __winlist        *__winlistp;
1.7       jdc       304: extern WINDOW          *__virtscr;

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