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Annotation of src/lib/libcurses/curses_private.h, Revision 1.1

1.1     ! blymn       1: /*     $NetBSD$        */
        !             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: #define __CHARTEXT     0x000000ff      /* bits for 8-bit characters */
        !            46:        wchar_t ch;                     /* Character */
        !            47: #define __NORMAL       0x00000000      /* Added characters are normal. */
        !            48: #define __STANDOUT     0x00010000      /* Added characters are standout. */
        !            49: #define __UNDERSCORE   0x00020000      /* Added characters are underscored. */
        !            50: #define __REVERSE      0x00040000      /* Added characters are reverse
        !            51:                                           video. */
        !            52: #define __BLINK                0x00080000      /* Added characters are blinking. */
        !            53: #define __DIM          0x00100000      /* Added characters are dim. */
        !            54: #define __BOLD         0x00200000      /* Added characters are bold. */
        !            55: #define __BLANK                0x00400000      /* Added characters are blanked. */
        !            56: #define __PROTECT      0x00800000      /* Added characters are protected. */
        !            57: #define __ALTCHARSET   0x01000000      /* Added characters are ACS */
        !            58: #define __COLOR                0xee000000      /* Color bits */
        !            59: #define __ATTRIBUTES   0xefff0000      /* All 8-bit attribute bits */
        !            60: #define __TERMATTR     0x00fc0000      /* Termcap attribute modes
        !            61:                                           (reverse, blinking, dim, bold,
        !            62:                                           blanked & protected */
        !            63:        attr_t  attr;                   /* Attributes */
        !            64: };
        !            65:
        !            66: #define __LDATASIZE    (sizeof(__LDATA))
        !            67:
        !            68: struct __line {
        !            69: #define        __ISDIRTY       0x01            /* Line is dirty. */
        !            70: #define __ISPASTEOL    0x02            /* Cursor is past end of line */
        !            71: #define __FORCEPAINT   0x04            /* Force a repaint of the line */
        !            72:        unsigned int flags;
        !            73:        unsigned int hash;              /* Hash value for the line. */
        !            74:        int *firstchp, *lastchp;        /* First and last chngd columns ptrs */
        !            75:        int firstch, lastch;            /* First and last changed columns. */
        !            76:        __LDATA *line;                  /* Pointer to the line text. */
        !            77: };
        !            78:
        !            79: struct __window {              /* Window structure. */
        !            80:        struct __window *nextp, *orig;  /* Subwindows list and parent. */
        !            81:        int begy, begx;                 /* Window home. */
        !            82:        int cury, curx;                 /* Current x, y coordinates. */
        !            83:        int maxy, maxx;                 /* Maximum values for curx, cury. */
        !            84:        short ch_off;                   /* x offset for firstch/lastch. */
        !            85:        __LINE **lines;                 /* Array of pointers to the lines */
        !            86:        __LINE  *lspace;                /* line space (for cleanup) */
        !            87:        __LDATA *wspace;                /* window space (for cleanup) */
        !            88:
        !            89: #define        __ENDLINE       0x00000001      /* End of screen. */
        !            90: #define        __FLUSH         0x00000002      /* Fflush(stdout) after refresh. */
        !            91: #define        __FULLWIN       0x00000004      /* Window is a screen. */
        !            92: #define        __IDLINE        0x00000008      /* Insert/delete sequences. */
        !            93: #define        __SCROLLWIN     0x00000010      /* Last char will scroll window. */
        !            94: #define        __SCROLLOK      0x00000020      /* Scrolling ok. */
        !            95: #define        __CLEAROK       0x00000040      /* Clear on next refresh. */
        !            96: #define        __LEAVEOK       0x00000100      /* If cursor left */
        !            97: #define        __KEYPAD        0x00010000      /* If interpreting keypad codes */
        !            98: #define        __NOTIMEOUT     0x00020000      /* Wait indefinitely for func keys */
        !            99:        unsigned int flags;
        !           100:        int     delay;                  /* delay for getch() */
        !           101:        attr_t  wattr;                  /* Character attributes */
        !           102: };