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Annotation of src/lib/libcurses/curses_private.h, Revision 1.17

1.17    ! blymn       1: /*     $NetBSD: curses_private.h,v 1.16 2001/06/13 10:45:57 wiz 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. */
                     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 */
1.5       jdc        49:        wchar_t bch;                    /* Background character */
                     50:        attr_t  battr;                  /* Background attributes */
1.1       blymn      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 */
1.5       jdc        88:        wchar_t bch;                    /* Background character */
1.2       jdc        89:        attr_t  battr;                  /* Background attributes */
1.14      jdc        90:        int     scr_t, scr_b;           /* Scrolling region top, bottom */
1.1       blymn      91: };
1.5       jdc        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)
1.2       jdc        96:
1.3       jdc        97: struct __winlist {
                     98:        struct __window         *winp;  /* The window. */
                     99:        struct __winlist        *nextp; /* Next window. */
                    100: };
                    101:
1.17    ! blymn     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:
1.11      jdc       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. */
1.17    ! blymn     217: extern SCREEN   *_cursesi_screen;       /* The current screen in use */
1.11      jdc       218:
1.2       jdc       219: /* Private functions. */
                    220: #ifdef DEBUG
1.4       blymn     221: void    __CTRACE(const char *fmt, ...);
1.2       jdc       222: #endif
1.17    ! blymn     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);
1.4       blymn     228: int     __delay(void);
                    229: unsigned int __hash(char *s, int len);
                    230: void    __id_subwins(WINDOW *orig);
1.17    ! blymn     231: void    __init_getch(SCREEN *screen);
        !           232: void    __init_acs(SCREEN *screen);
1.4       blymn     233: char   *__longname(char *bp, char *def);       /* Original BSD version */
                    234: int     __mvcur(int ly, int lx, int y, int x, int in_refresh);
1.17    ! blymn     235: WINDOW  *__newwin(SCREEN *screen, int lines, int cols, int y, int x);
1.4       blymn     236: int     __nodelay(void);
                    237: int     __notimeout(void);
                    238: char   *__parse_cap(const char *, ...);
                    239: void    __restartwin(void);
                    240: void    __restore_colors(void);
1.6       blymn     241: void     __restore_cursor_vis(void);
                    242: void     __restore_meta_state(void);
1.4       blymn     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);
1.17    ! blymn     249: void    __startwin(SCREEN *screen);
1.4       blymn     250: void    __stop_signal_handler(int signo);
                    251: int     __stopwin(void);
                    252: void    __swflags(WINDOW *win);
                    253: int     __timeout(int delay);
1.10      mycroft   254: int     __touchline(WINDOW *win, int y, int sx, int ex);
1.4       blymn     255: int     __touchwin(WINDOW *win);
                    256: char   *__tscroll(const char *cap, int n1, int n2);
1.7       jdc       257: void    __unsetattr(int);
1.4       blymn     258: int     __waddch(WINDOW *win, __LDATA *dp);
1.15      jdc       259: int     __wgetnstr(WINDOW *, char *, int);
1.2       jdc       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. */
1.3       jdc       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;
1.11      jdc       272: extern attr_t           __mask_op, __mask_me, __mask_ue, __mask_se;
1.3       jdc       273: extern struct __winlist        *__winlistp;
1.7       jdc       274: extern WINDOW          *__virtscr;

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