xref: /386bsd/usr/X386/include/X11/Xaw/AsciiSrcP.h (revision a2142627)
1 /*
2 * $XConsortium: AsciiSrcP.h,v 1.8 91/02/20 17:58:15 converse 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 <X11/Xaw/TextSrcP.h>
53 #include <X11/Xaw/AsciiSrc.h>
54 
55 /************************************************************
56  *
57  * Private declarations.
58  *
59  ************************************************************/
60 
61 #ifdef L_tmpnam
62 #define TMPSIZ L_tmpnam
63 #else
64 #define TMPSIZ 32		/* bytes to allocate for tmpnam */
65 #endif
66 
67 #define MAGIC_VALUE ((XawTextPosition) -1) /* Magic value. */
68 
69 #define streq(a, b)        ( strcmp((a), (b)) == 0 )
70 
71 typedef struct _Piece {		/* Piece of the text file of BUFSIZ allocated
72 				   characters. */
73   char * text;			/* The text in this buffer. */
74   XawTextPosition used;		/* The number of characters of this buffer
75 				   that have been used. */
76   struct _Piece *prev, *next;	/* linked list pointers. */
77 } Piece;
78 
79 /************************************************************
80  *
81  * New fields for the AsciiSrc object class record.
82  *
83  ************************************************************/
84 
85 typedef struct _AsciiSrcClassPart { char foo; } AsciiSrcClassPart;
86 
87 /* Full class record declaration */
88 typedef struct _AsciiSrcClassRec {
89     ObjectClassPart     object_class;
90     TextSrcClassPart	text_src_class;
91     AsciiSrcClassPart	ascii_src_class;
92 } AsciiSrcClassRec;
93 
94 extern AsciiSrcClassRec asciiSrcClassRec;
95 
96 /* New fields for the AsciiSrc object record */
97 
98 typedef struct _AsciiSrcPart {
99 
100   /* Resources. */
101 
102   char       *string;		/* either the string, or the
103 				   file name, depending upon the type. */
104   XawAsciiType type;		/* either string or disk. */
105   XawTextPosition piece_size;	/* Size of text buffer for each piece. */
106   Boolean data_compression;	/* compress to minimum memory automatically
107 				   on save? */
108   XtCallbackList callback;	/* A callback list to call when the source is
109 				   changed. */
110   Boolean use_string_in_place;	/* Use the string passed in place. */
111   int     ascii_length;		/* length field for ascii string emulation. */
112 
113 #ifdef ASCII_DISK
114   String filename;		/* name of file for Compatability. */
115 #endif /* ASCII_DISK */
116 
117 /* Private data. */
118 
119   Boolean	is_tempfile;	  /* Is this a temporary file? */
120   Boolean       changes;	  /* Has this file been edited? */
121   Boolean       allocated_string; /* Have I allocated the
122 				     string in ascii_src->string? */
123   XawTextPosition length; 	/* length of file */
124   Piece * first_piece;		/* first piece of the text. */
125 } AsciiSrcPart;
126 
127 /****************************************************************
128  *
129  * Full instance record declaration
130  *
131  ****************************************************************/
132 
133 typedef struct _AsciiSrcRec {
134   ObjectPart    object;
135   TextSrcPart	text_src;
136   AsciiSrcPart	ascii_src;
137 } AsciiSrcRec;
138 
139 #endif /* _XawAsciiSrcP_h  --- Don't add anything after this line. */
140