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Annotation of src/lib/libcurses/curses_private.h, Revision 1.2

1.2     ! jdc         1: /*     $NetBSD: curses_private.h,v 1.1 2000/04/11 13:57:09 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
                     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: };
                     48:
                     49: #define __LDATASIZE    (sizeof(__LDATA))
                     50:
                     51: struct __line {
                     52: #define        __ISDIRTY       0x01            /* Line is dirty. */
                     53: #define __ISPASTEOL    0x02            /* Cursor is past end of line */
                     54: #define __FORCEPAINT   0x04            /* Force a repaint of the line */
                     55:        unsigned int flags;
                     56:        unsigned int hash;              /* Hash value for the line. */
                     57:        int *firstchp, *lastchp;        /* First and last chngd columns ptrs */
                     58:        int firstch, lastch;            /* First and last changed columns. */
                     59:        __LDATA *line;                  /* Pointer to the line text. */
                     60: };
                     61:
                     62: struct __window {              /* Window structure. */
                     63:        struct __window *nextp, *orig;  /* Subwindows list and parent. */
                     64:        int begy, begx;                 /* Window home. */
                     65:        int cury, curx;                 /* Current x, y coordinates. */
                     66:        int maxy, maxx;                 /* Maximum values for curx, cury. */
                     67:        short ch_off;                   /* x offset for firstch/lastch. */
                     68:        __LINE **lines;                 /* Array of pointers to the lines */
                     69:        __LINE  *lspace;                /* line space (for cleanup) */
                     70:        __LDATA *wspace;                /* window space (for cleanup) */
                     71:
                     72: #define        __ENDLINE       0x00000001      /* End of screen. */
                     73: #define        __FLUSH         0x00000002      /* Fflush(stdout) after refresh. */
                     74: #define        __FULLWIN       0x00000004      /* Window is a screen. */
                     75: #define        __IDLINE        0x00000008      /* Insert/delete sequences. */
                     76: #define        __SCROLLWIN     0x00000010      /* Last char will scroll window. */
                     77: #define        __SCROLLOK      0x00000020      /* Scrolling ok. */
                     78: #define        __CLEAROK       0x00000040      /* Clear on next refresh. */
                     79: #define        __LEAVEOK       0x00000100      /* If cursor left */
                     80: #define        __KEYPAD        0x00010000      /* If interpreting keypad codes */
                     81: #define        __NOTIMEOUT     0x00020000      /* Wait indefinitely for func keys */
                     82:        unsigned int flags;
                     83:        int     delay;                  /* delay for getch() */
                     84:        attr_t  wattr;                  /* Character attributes */
1.2     ! jdc        85:        wchar_t bchar;                  /* Background character */
        !            86:        attr_t  battr;                  /* Background attributes */
1.1       blymn      87: };
1.2     ! jdc        88:
        !            89: /* Private functions. */
        !            90: #ifdef DEBUG
        !            91: void    __CTRACE __P((const char *, ...));
        !            92: #endif
        !            93: int     __delay __P((void));
        !            94: unsigned int __hash __P((char *, int));
        !            95: void    __id_subwins __P((WINDOW *));
        !            96: void    __init_getch __P((char *));
        !            97: void    __init_acs __P((void));
        !            98: char   *__longname __P((char *, char *));      /* Original BSD version */
        !            99: int     __mvcur __P((int, int, int, int, int));
        !           100: int     __nodelay __P((void));
        !           101: int     __notimeout __P((void));
        !           102: char   *__parse_cap __P((const char *, ...));
        !           103: void    __restartwin __P((void));
        !           104: void    __restore_colors __P((void));
        !           105: void    __restore_termios __P((void));
        !           106: void    __restore_stophandler __P((void));
        !           107: void    __save_termios __P((void));
        !           108: void    __set_color __P((attr_t));
        !           109: void    __set_stophandler __P((void));
        !           110: void    __set_subwin __P((WINDOW *, WINDOW *));
        !           111: void    __startwin __P((void));
        !           112: void    __stop_signal_handler __P((int));
        !           113: int     __stopwin __P((void));
        !           114: void    __swflags __P((WINDOW *));
        !           115: int     __timeout __P((int));
        !           116: int     __touchline __P((WINDOW *, int, int, int, int));
        !           117: int     __touchwin __P((WINDOW *));
        !           118: char   *__tscroll __P((const char *, int, int));
        !           119: int     __waddch __P((WINDOW *, __LDATA *));
        !           120:
        !           121: /* Private #defines. */
        !           122: #define        min(a,b)        (a < b ? a : b)
        !           123: #define        max(a,b)        (a > b ? a : b)
        !           124:
        !           125: /* Private externs. */
        !           126: extern int      __echoit;
        !           127: extern int      __endwin;
        !           128: extern int      __pfast;
        !           129: extern int      __rawmode;
        !           130: extern int      __noqch;
        !           131: extern attr_t   __nca;

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