summaryrefslogtreecommitdiff
path: root/lib/libform/form.priv.h
blob: f2770a6564203d06a78f70b2df99b5759c120923 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*	$OpenBSD: form.priv.h,v 1.6 2001/01/22 18:02:14 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
 ****************************************************************************/

#include "mf_common.h"
#include "form.h"

/* form  status values */
#define _OVLMODE         (0x04) /* Form is in overlay mode                */
#define _WINDOW_MODIFIED (0x10) /* Current field window has been modified */
#define _FCHECK_REQUIRED (0x20) /* Current field needs validation         */

/* field status values */
#define _CHANGED         (0x01) /* Field has been changed                 */
#define _NEWTOP          (0x02) /* Vertical scrolling occured             */
#define _NEWPAGE	 (0x04) /* field begins new page of form          */
#define _MAY_GROW        (0x08) /* dynamic field may still grow           */

/* fieldtype status values */
#define _LINKED_TYPE     (0x01) /* Type is a linked type                  */
#define _HAS_ARGS        (0x02) /* Type has arguments                     */
#define _HAS_CHOICE      (0x04) /* Type has choice methods                */
#define _RESIDENT        (0x08) /* Type is builtin                        */

/* This are the field options required to be a selectable field in field
   navigation requests */
#define O_SELECTABLE (O_ACTIVE | O_VISIBLE)

/* If form is NULL replace form argument by default-form */
#define Normalize_Form(form)  ((form)=(form)?(form):_nc_Default_Form)

/* If field is NULL replace field argument by default-field */
#define Normalize_Field(field)  ((field)=(field)?(field):_nc_Default_Field)

/* Retrieve forms window */
#define Get_Form_Window(form) \
  ((form)->sub?(form)->sub:((form)->win?(form)->win:stdscr))

/* Calculate the size for a single buffer for this field */
#define Buffer_Length(field) ((field)->drows * (field)->dcols)

/* Calculate the total size of all buffers for this field */
#define Total_Buffer_Size(field) \
   ( (Buffer_Length(field) + 1) * (1+(field)->nbuf) )

/* Logic to determine whether or not a field is single lined */
#define Single_Line_Field(field) \
   (((field)->rows + (field)->nrow) == 1)

/* Logic to determine whether or not a field is selectable */
#define Field_Is_Selectable(f)     (((f)->opts & O_SELECTABLE)==O_SELECTABLE)
#define Field_Is_Not_Selectable(f) (((f)->opts & O_SELECTABLE)!=O_SELECTABLE)

typedef struct typearg {
  struct typearg *left;
  struct typearg *right;
} TypeArgument;

/* This is a dummy request code (normally invalid) to be used internally
   with the form_driver() routine to position to the first active field
   on the form
*/
#define FIRST_ACTIVE_MAGIC (-291056)

#define ALL_FORM_OPTS  (                \
			O_NL_OVERLOAD  |\
			O_BS_OVERLOAD   )

#define ALL_FIELD_OPTS (           \
			O_VISIBLE |\
			O_ACTIVE  |\
			O_PUBLIC  |\
			O_EDIT    |\
			O_WRAP    |\
			O_BLANK   |\
			O_AUTOSKIP|\
			O_NULLOK  |\
			O_PASSOK  |\
			O_STATIC   )


#define C_BLANK ' '
#define is_blank(c) ((c)==C_BLANK)

extern NCURSES_EXPORT_VAR(const FIELDTYPE *) _nc_Default_FieldType;

extern NCURSES_EXPORT(TypeArgument *) _nc_Make_Argument (const FIELDTYPE*,va_list*,int*);
extern NCURSES_EXPORT(TypeArgument *) _nc_Copy_Argument (const FIELDTYPE*,const TypeArgument*, int*);
extern NCURSES_EXPORT(void) _nc_Free_Argument (const FIELDTYPE*,TypeArgument*);
extern NCURSES_EXPORT(bool) _nc_Copy_Type (FIELD*, FIELD const *);
extern NCURSES_EXPORT(void) _nc_Free_Type (FIELD *);

extern NCURSES_EXPORT(int) _nc_Synchronize_Attributes (FIELD*);
extern NCURSES_EXPORT(int) _nc_Synchronize_Options (FIELD*,Field_Options);
extern NCURSES_EXPORT(int) _nc_Set_Form_Page (FORM*,int,FIELD*);
extern NCURSES_EXPORT(int) _nc_Refresh_Current_Field (FORM*);
extern NCURSES_EXPORT(FIELD *) _nc_First_Active_Field (FORM*);
extern NCURSES_EXPORT(bool) _nc_Internal_Validation (FORM*);
extern NCURSES_EXPORT(int) _nc_Set_Current_Field (FORM*,FIELD*);
extern NCURSES_EXPORT(int) _nc_Position_Form_Cursor (FORM*);