internals.h revision 1.8 
1/*	$NetBSD: internals.h,v 1.8 2002/05/20 15:00:12 blymn Exp $	*/
2
3/*-
4 * Copyright (c) 1998-1999 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 without 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#include <stdio.h>
33#include "form.h"
34
35#ifndef FORMI_INTERNALS_H
36#define FORMI_INTERNALS_H 1
37
38#ifdef DEBUG
39extern FILE *dbg;
40#endif
41
42/* direction definitions for _formi_pos_new_field */
43#define _FORMI_BACKWARD 1
44#define _FORMI_FORWARD  2
45
46/* define the default options for a form... */
47#define DEFAULT_FORM_OPTS (O_VISIBLE | O_ACTIVE | O_PUBLIC | O_EDIT | \
48                           O_WRAP | O_BLANK | O_AUTOSKIP | O_NULLOK | \
49                           O_PASSOK | O_STATIC)
50
51/* definitions of the flags for the FIELDTYPE structure */
52#define _TYPE_NO_FLAGS   0
53#define _TYPE_HAS_ARGS   0x01
54#define _TYPE_IS_LINKED  0x02
55#define _TYPE_IS_BUILTIN 0x04
56#define _TYPE_HAS_CHOICE 0x08
57
58typedef struct formi_type_link_struct formi_type_link;
59
60struct formi_type_link_struct
61{
62	FIELDTYPE *next;
63	FIELDTYPE *prev;
64};
65
66
67struct _formi_page_struct
68{
69	int in_use;
70	int first;
71	int last;
72	int top_left;
73	int bottom_right;
74};
75
76struct _formi_tab_stops
77{
78	struct _formi_tab_stops *fwd;
79	struct _formi_tab_stops *back;
80	unsigned char in_use;
81	unsigned pos;
82	unsigned size;
83};
84
85typedef struct _formi_tab_stops _formi_tab_t;
86
87/* lines structure for the field - keeps start and ends and length of the
88 * lines in a field.
89 */
90struct _formi_field_lines
91{
92	unsigned length;
93	unsigned start;
94	unsigned end;
95	_formi_tab_t *tabs;
96};
97
98
99/* function prototypes */
100unsigned
101_formi_skip_blanks(char *, unsigned int);
102int
103_formi_add_char(FIELD *cur, unsigned pos, char c);
104void
105_formi_calculate_tabs(FIELD *field, unsigned row);
106int
107_formi_draw_page(FORM *form);
108int
109_formi_find_pages(FORM *form);
110int
111_formi_field_choice(FORM *form, int c);
112int
113_formi_manipulate_field(FORM *form, int c);
114int
115_formi_pos_first_field(FORM *form);
116int
117_formi_pos_new_field(FORM *form, unsigned direction, unsigned use_sorted);
118void
119_formi_redraw_field(FORM *form, int field);
120void
121_formi_sort_fields(FORM *form);
122void
123_formi_stitch_fields(FORM *form);
124int
125_formi_tab_expanded_length(char *str, unsigned int start, unsigned int end);
126int
127_formi_update_field(FORM *form, int old_field);
128int
129_formi_validate_char(FIELD *field, char c);
130int
131_formi_validate_field(FORM *form);
132int
133_formi_wrap_field(FIELD *field, unsigned int pos);
134
135#ifdef DEBUG
136int
137_formi_create_dbg_file(void);
138#endif /* DEBUG */
139
140#endif
141
142
143
144