summaryrefslogtreecommitdiff
path: root/lib/libmenu/menu.h
blob: 30ec458ec7138c13beccf8d041dbd66e65bb33dc (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
/*	$OpenBSD: menu.h,v 1.5 1999/05/17 03:04:26 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998 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            *
 ****************************************************************************/

#ifndef ETI_MENU
#define ETI_MENU

#include <curses.h>
#include <eti.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef int Menu_Options;
typedef int Item_Options;

/* Menu options: */
#define O_ONEVALUE      (0x01)
#define O_SHOWDESC      (0x02)
#define O_ROWMAJOR      (0x04)
#define O_IGNORECASE    (0x08)
#define O_SHOWMATCH     (0x10)
#define O_NONCYCLIC     (0x20)

/* Item options: */
#define O_SELECTABLE    (0x01)

typedef struct
{
  const char* str;
  unsigned short length;
} TEXT;

typedef struct tagITEM 
{
  TEXT           name;        /* name of menu item                         */
  TEXT           description; /* description of item, optional in display  */ 
  struct tagMENU *imenu;      /* Pointer to parent menu                    */
  void           *userptr;    /* Pointer to user defined per item data     */ 
  Item_Options   opt;         /* Item options                              */ 
  short          index;       /* Item number if connected to a menu        */
  short          y;           /* y and x location of item in menu          */
  short          x;
  bool           value;       /* Selection value                           */
                             
  struct tagITEM *left;       /* neighbour items                           */
  struct tagITEM *right;
  struct tagITEM *up;
  struct tagITEM *down;

} ITEM;

typedef void (*Menu_Hook)(struct tagMENU *);

typedef struct tagMENU 
{
  short          height;                /* Nr. of chars high               */
  short          width;                 /* Nr. of chars wide               */
  short          rows;                  /* Nr. of items high               */
  short          cols;                  /* Nr. of items wide               */
  short          frows;                 /* Nr. of formatted items high     */
  short          fcols;                 /* Nr. of formatted items wide     */
  short          arows;                 /* Nr. of items high (actual)      */
  short          namelen;               /* Max. name length                */
  short          desclen;               /* Max. description length         */
  short          marklen;               /* Length of mark, if any          */
  short          itemlen;               /* Length of one item              */
  short          spc_desc;              /* Spacing for descriptor          */
  short          spc_cols;              /* Spacing for columns             */
  short          spc_rows;              /* Spacing for rows                */ 
  char          *pattern;               /* Buffer to store match chars     */
  short          pindex;                /* Index into pattern buffer       */
  WINDOW        *win;                   /* Window containing menu          */
  WINDOW        *sub;                   /* Subwindow for menu display      */
  WINDOW        *userwin;               /* User's window                   */
  WINDOW        *usersub;               /* User's subwindow                */
  ITEM          **items;                /* array of items                  */ 
  short          nitems;                /* Nr. of items in menu            */
  ITEM          *curitem;               /* Current item                    */
  short          toprow;                /* Top row of menu                 */
  chtype         fore;                  /* Selection attribute             */
  chtype         back;                  /* Nonselection attribute          */
  chtype         grey;                  /* Inactive attribute              */
  unsigned char  pad;                   /* Pad character                   */

  Menu_Hook      menuinit;              /* User hooks                      */
  Menu_Hook      menuterm;
  Menu_Hook      iteminit;
  Menu_Hook      itemterm;

  void          *userptr;               /* Pointer to menus user data      */
  char          *mark;                  /* Pointer to marker string        */

  Menu_Options   opt;                   /* Menu options                    */
  unsigned short status;                /* Internal state of menu          */

} MENU;


/* Define keys */

#define REQ_LEFT_ITEM           (KEY_MAX + 1)
#define REQ_RIGHT_ITEM          (KEY_MAX + 2)
#define REQ_UP_ITEM             (KEY_MAX + 3)
#define REQ_DOWN_ITEM           (KEY_MAX + 4)
#define REQ_SCR_ULINE           (KEY_MAX + 5)
#define REQ_SCR_DLINE           (KEY_MAX + 6)
#define REQ_SCR_DPAGE           (KEY_MAX + 7)
#define REQ_SCR_UPAGE           (KEY_MAX + 8)
#define REQ_FIRST_ITEM          (KEY_MAX + 9)
#define REQ_LAST_ITEM           (KEY_MAX + 10)
#define REQ_NEXT_ITEM           (KEY_MAX + 11)
#define REQ_PREV_ITEM           (KEY_MAX + 12)
#define REQ_TOGGLE_ITEM         (KEY_MAX + 13)
#define REQ_CLEAR_PATTERN       (KEY_MAX + 14)
#define REQ_BACK_PATTERN        (KEY_MAX + 15)
#define REQ_NEXT_MATCH          (KEY_MAX + 16)
#define REQ_PREV_MATCH          (KEY_MAX + 17)

#define MIN_MENU_COMMAND        (KEY_MAX + 1)
#define MAX_MENU_COMMAND        (KEY_MAX + 17)

/*
 * Some AT&T code expects MAX_COMMAND to be out-of-band not
 * just for menu commands but for forms ones as well.
 */
#if defined(MAX_COMMAND)
#  if (MAX_MENU_COMMAND > MAX_COMMAND)
#    error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND
#  elif (MAX_COMMAND != (KEY_MAX + 128))
#    error Something is wrong -- MAX_COMMAND is already inconsistently defined.
#  endif
#else
#  define MAX_COMMAND (KEY_MAX + 128)
#endif


/* --------- prototypes for libmenu functions ----------------------------- */

extern ITEM     **menu_items(const MENU *),
                *current_item(const MENU *),
                *new_item(const char *,const char *);

extern MENU     *new_menu(ITEM **);

extern Item_Options  item_opts(const ITEM *);
extern Menu_Options  menu_opts(const MENU *);

Menu_Hook       item_init(const MENU *),
                item_term(const MENU *),
                menu_init(const MENU *),
                menu_term(const MENU *);

extern WINDOW   *menu_sub(const MENU *),
                *menu_win(const MENU *);

extern const char *item_description(const ITEM *),
                  *item_name(const ITEM *),
                  *menu_mark(const MENU *),
                  *menu_request_name(int);

extern char     *menu_pattern(const MENU *);

extern void     *menu_userptr(const MENU *),
                *item_userptr(const ITEM *);

extern chtype   menu_back(const MENU *),
                menu_fore(const MENU *),
                menu_grey(const MENU *);

extern int      free_item(ITEM *),
                free_menu(MENU *),
                item_count(const MENU *),
                item_index(const ITEM *),
                item_opts_off(ITEM *,Item_Options),
                item_opts_on(ITEM *,Item_Options),
                menu_driver(MENU *,int),
                menu_opts_off(MENU *,Menu_Options),
                menu_opts_on(MENU *,Menu_Options),
                menu_pad(const MENU *),
                pos_menu_cursor(const MENU *),
                post_menu(MENU *),
                scale_menu(const MENU *,int *,int *),
                set_current_item(MENU *menu,ITEM *item),
                set_item_init(MENU *,void(*)(MENU *)),
                set_item_opts(ITEM *,Item_Options),
                set_item_term(MENU *,void(*)(MENU *)),
                set_item_userptr(ITEM *, void *),
                set_item_value(ITEM *,bool),
                set_menu_back(MENU *,chtype),
                set_menu_fore(MENU *,chtype),
                set_menu_format(MENU *,int,int),
                set_menu_grey(MENU *,chtype),
                set_menu_init(MENU *,void(*)(MENU *)),
                set_menu_items(MENU *,ITEM **),
                set_menu_mark(MENU *, const char *),
                set_menu_opts(MENU *,Menu_Options),
                set_menu_pad(MENU *,int),
                set_menu_pattern(MENU *,const char *),
                set_menu_sub(MENU *,WINDOW *),
                set_menu_term(MENU *,void(*)(MENU *)),
                set_menu_userptr(MENU *,void *),
                set_menu_win(MENU *,WINDOW *),
                set_top_row(MENU *,int),
                top_row(const MENU *),
                unpost_menu(MENU *),
                menu_request_by_name(const char *),
                set_menu_spacing(MENU *,int,int,int),
                menu_spacing(const MENU *,int *,int *,int *);


extern bool     item_value(const ITEM *),
                item_visible(const ITEM *);

void            menu_format(const MENU *,int *,int *);

#ifdef __cplusplus
  }
#endif

#endif /* ETI_MENU */