components/x11/libXaw4/src/Xaw3_1AsciiSrcP.h

   1 /*
   2 * $XConsortium: AsciiSrcP.h,v 1.6 89/10/05 13:17:39 kit Exp $
   3 */
   4
   5
   6 /***********************************************************
   7 Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
   8 and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
   9
  10                         All Rights Reserved
  11
  12 Permission to use, copy, modify, and distribute this software and its
  13 documentation for any purpose and without fee is hereby granted,
  14 provided that the above copyright notice appear in all copies and that
  15 both that copyright notice and this permission notice appear in
  16 supporting documentation, and that the names of Digital or MIT not be
  17 used in advertising or publicity pertaining to distribution of the
  18 software without specific, written prior permission.
  19
  20 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  21 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  22 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  23 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  24 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  25 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  26 SOFTWARE.
  27
  28 ******************************************************************/
  29
  30 /*
  31  * AsciiSrcP.h - Private Header for Ascii Text Source.
  32  *
  33  * This is the private header file for the Ascii Text Source.
  34  * It is intended to be used with the Text widget, the simplest way to use
  35  * this text source is to use the AsciiText Object.
  36  *
  37  * Date:    June 29, 1989
  38  *
  39  * By:      Chris D. Peterson
  40  *          MIT X Consortium
  41  *          kit@expo.lcs.mit.edu
  42  */
  43
  44 /*
  45  * TextSrcP.h - Private definitions for AsciiSrc object
  46  *
  47  */
  48
  49 #ifndef _XawAsciiSrcP_h
  50 #define _XawAsciiSrcP_h
  51
  52 #include <./Xaw3_1AsciiSrc.h>
  53 #include <./Xaw3_1TextSrcP.h>
  54
  55 /************************************************************
  56  *
  57  * Private declarations.
  58  *
  59  ************************************************************/
  60
  61 #define TMPSIZ 32               /* bytes to allocate for tmpnam */
  62
  63 #define MAGIC_VALUE ((XawTextPosition) -1) /* Magic value. */
  64
  65 #define streq(a, b)        ( strcmp((a), (b)) == 0 )
  66
  67 typedef struct _Piece {         /* Piece of the text file of BUFSIZ allocated
  68                                    characters. */
  69   char * text;                  /* The text in this buffer. */
  70   XawTextPosition used;         /* The number of characters of this buffer
  71                                    that have been used. */
  72   struct _Piece *prev, *next;   /* linked list pointers. */
  73 } Piece;
  74
  75 /************************************************************
  76  *
  77  * New fields for the AsciiSrc object class record.
  78  *
  79  ************************************************************/
  80
  81 typedef struct _AsciiSrcClassPart { char foo; } AsciiSrcClassPart;
  82
  83 /* Full class record declaration */
  84 typedef struct _AsciiSrcClassRec {
  85     ObjectClassPart     object_class;
  86     TextSrcClassPart    text_src_class;
  87     AsciiSrcClassPart   ascii_src_class;
  88 } AsciiSrcClassRec;
  89
  90 extern AsciiSrcClassRec asciiSrcClassRec;
  91
  92 /* New fields for the AsciiSrc object record */
  93
  94 typedef struct _AsciiSrcPart {
  95
  96   /* Resources. */
  97
  98   char       *string;           /* either the string, or the
  99                                    file name, depending upon the type. */
 100   XawAsciiType type;            /* either string or disk. */
 101   XawTextPosition piece_size;   /* Size of text buffer for each piece. */
 102   Boolean data_compression;     /* compress to minimum memory automatically
 103                                    on save? */
 104   XtCallbackList callback;      /* A callback list to call when the source is
 105                                    changed. */
 106   Boolean use_string_in_place;  /* Use the string passed in place. */
 107   int     ascii_length;         /* length field for ascii string emulation. */
 108
 109 #ifdef ASCII_DISK
 110   String filename;              /* name of file for Compatability. */
 111 #endif /* ASCII_DISK */
 112
 113 /* Private data. */
 114
 115   Boolean       is_tempfile;      /* Is this a temporary file? */
 116   Boolean       changes;          /* Has this file been edited? */
 117   Boolean       allocated_string; /* Have I allocated the
 118                                      string in ascii_src->string? */
 119   XawTextPosition length;       /* length of file */
 120   Piece * first_piece;          /* first piece of the text. */
 121 } AsciiSrcPart;
 122
 123 /****************************************************************
 124  *
 125  * Full instance record declaration
 126  *
 127  ****************************************************************/
 128
 129 typedef struct _AsciiSrcRec {
 130   ObjectPart    object;
 131   TextSrcPart   text_src;
 132   AsciiSrcPart  ascii_src;
 133 } AsciiSrcRec;
 134
 135 #endif /* _XawAsciiSrcP_h  --- Don't add anything after this line. */