xref: /openbsd/lib/libmenu/menu.h (revision c7ef0cfc)
1 /*	$OpenBSD: menu.h,v 1.10 2023/10/17 09:52:10 nicm Exp $	*/
2 /****************************************************************************
3  * Copyright 2020 Thomas E. Dickey                                          *
4  * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
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10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *   Author:  Juergen Pfeifer, 1995,1997                                    *
33  ****************************************************************************/
34 
35 /* $Id: menu.h,v 1.10 2023/10/17 09:52:10 nicm Exp $ */
36 
37 #ifndef ETI_MENU
38 #define ETI_MENU
39 
40 #ifdef AMIGA
41 #define TEXT TEXT_ncurses
42 #endif
43 
44 #include <curses.h>
45 #include <eti.h>
46 
47 #ifdef __cplusplus
48 extern "C"
49 {
50 #endif
51 
52 #if defined(BUILDING_MENU)
53 # define MENU_IMPEXP NCURSES_EXPORT_GENERAL_EXPORT
54 #else
55 # define MENU_IMPEXP NCURSES_EXPORT_GENERAL_IMPORT
56 #endif
57 
58 #define MENU_WRAPPED_VAR(type,name) extern MENU_IMPEXP type NCURSES_PUBLIC_VAR(name)(void)
59 
60 #define MENU_EXPORT(type) MENU_IMPEXP type NCURSES_API
61 #define MENU_EXPORT_VAR(type) MENU_IMPEXP type
62 
63   typedef int Menu_Options;
64   typedef int Item_Options;
65 
66 /* Menu options: */
67 #define O_ONEVALUE      (0x01)
68 #define O_SHOWDESC      (0x02)
69 #define O_ROWMAJOR      (0x04)
70 #define O_IGNORECASE    (0x08)
71 #define O_SHOWMATCH     (0x10)
72 #define O_NONCYCLIC     (0x20)
73 #define O_MOUSE_MENU    (0x40)
74 
75 /* Item options: */
76 #define O_SELECTABLE    (0x01)
77 
78 #if !NCURSES_OPAQUE_MENU
79   typedef struct
80     {
81       const char *str;
82       unsigned short length;
83     }
84   TEXT;
85 #endif				/* !NCURSES_OPAQUE_MENU */
86 
87   struct tagMENU;
88 
89   typedef struct tagITEM
90 #if !NCURSES_OPAQUE_MENU
91     {
92       TEXT name;		/* name of menu item                         */
93       TEXT description;		/* description of item, optional in display  */
94       struct tagMENU *imenu;	/* Pointer to parent menu                    */
95       void *userptr;		/* Pointer to user defined per item data     */
96       Item_Options opt;		/* Item options                              */
97       short index;		/* Item number if connected to a menu        */
98       short y;			/* y and x location of item in menu          */
99       short x;
100       bool value;		/* Selection value                           */
101 
102       struct tagITEM *left;	/* neighbor items                            */
103       struct tagITEM *right;
104       struct tagITEM *up;
105       struct tagITEM *down;
106 
107     }
108 #endif				/* !NCURSES_OPAQUE_MENU */
109   ITEM;
110 
111   typedef void (*Menu_Hook) (struct tagMENU *);
112 
113   typedef struct tagMENU
114 #if 1				/* not yet: !NCURSES_OPAQUE_MENU   */
115     {
116       short height;		/* Nr. of chars high               */
117       short width;		/* Nr. of chars wide               */
118       short rows;		/* Nr. of items high               */
119       short cols;		/* Nr. of items wide               */
120       short frows;		/* Nr. of formatted items high     */
121       short fcols;		/* Nr. of formatted items wide     */
122       short arows;		/* Nr. of items high (actual)      */
123       short namelen;		/* Max. name length                */
124       short desclen;		/* Max. description length         */
125       short marklen;		/* Length of mark, if any          */
126       short itemlen;		/* Length of one item              */
127       short spc_desc;		/* Spacing for descriptor          */
128       short spc_cols;		/* Spacing for columns             */
129       short spc_rows;		/* Spacing for rows                */
130       char *pattern;		/* Buffer to store match chars     */
131       short pindex;		/* Index into pattern buffer       */
132       WINDOW *win;		/* Window containing menu          */
133       WINDOW *sub;		/* Subwindow for menu display      */
134       WINDOW *userwin;		/* User's window                   */
135       WINDOW *usersub;		/* User's subwindow                */
136       ITEM **items;		/* array of items                  */
137       short nitems;		/* Nr. of items in menu            */
138       ITEM *curitem;		/* Current item                    */
139       short toprow;		/* Top row of menu                 */
140       chtype fore;		/* Selection attribute             */
141       chtype back;		/* Nonselection attribute          */
142       chtype grey;		/* Inactive attribute              */
143       unsigned char pad;	/* Pad character                   */
144 
145       Menu_Hook menuinit;	/* User hooks                      */
146       Menu_Hook menuterm;
147       Menu_Hook iteminit;
148       Menu_Hook itemterm;
149 
150       void *userptr;		/* Pointer to menus user data      */
151       char *mark;		/* Pointer to marker string        */
152 
153       Menu_Options opt;		/* Menu options                    */
154       unsigned short status;	/* Internal state of menu          */
155     }
156 #endif				/* !NCURSES_OPAQUE_MENU */
157   MENU;
158 
159 /* Define keys */
160 
161 #define REQ_LEFT_ITEM           (KEY_MAX + 1)
162 #define REQ_RIGHT_ITEM          (KEY_MAX + 2)
163 #define REQ_UP_ITEM             (KEY_MAX + 3)
164 #define REQ_DOWN_ITEM           (KEY_MAX + 4)
165 #define REQ_SCR_ULINE           (KEY_MAX + 5)
166 #define REQ_SCR_DLINE           (KEY_MAX + 6)
167 #define REQ_SCR_DPAGE           (KEY_MAX + 7)
168 #define REQ_SCR_UPAGE           (KEY_MAX + 8)
169 #define REQ_FIRST_ITEM          (KEY_MAX + 9)
170 #define REQ_LAST_ITEM           (KEY_MAX + 10)
171 #define REQ_NEXT_ITEM           (KEY_MAX + 11)
172 #define REQ_PREV_ITEM           (KEY_MAX + 12)
173 #define REQ_TOGGLE_ITEM         (KEY_MAX + 13)
174 #define REQ_CLEAR_PATTERN       (KEY_MAX + 14)
175 #define REQ_BACK_PATTERN        (KEY_MAX + 15)
176 #define REQ_NEXT_MATCH          (KEY_MAX + 16)
177 #define REQ_PREV_MATCH          (KEY_MAX + 17)
178 
179 #define MIN_MENU_COMMAND        (KEY_MAX + 1)
180 #define MAX_MENU_COMMAND        (KEY_MAX + 17)
181 
182 /*
183  * Some AT&T code expects MAX_COMMAND to be out-of-band not
184  * just for menu commands but for forms ones as well.
185  */
186 #if defined(MAX_COMMAND)
187 #  if (MAX_MENU_COMMAND > MAX_COMMAND)
188 #    error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND
189 #  elif (MAX_COMMAND != (KEY_MAX + 128))
190 #    error Something is wrong -- MAX_COMMAND is already inconsistently defined.
191 #  endif
192 #else
193 #  define MAX_COMMAND (KEY_MAX + 128)
194 #endif
195 
196 /* --------- prototypes for libmenu functions ----------------------------- */
197 
198   extern MENU_EXPORT(ITEM **) menu_items(const MENU *);
199   extern MENU_EXPORT(ITEM *) current_item(const MENU *);
200   extern MENU_EXPORT(ITEM *) new_item(const char *, const char *);
201 
202   extern MENU_EXPORT(MENU *) new_menu(ITEM **);
203 
204   extern MENU_EXPORT(Item_Options) item_opts(const ITEM *);
205   extern MENU_EXPORT(Menu_Options) menu_opts(const MENU *);
206 
207   extern MENU_EXPORT(Menu_Hook) item_init(const MENU *);
208   extern MENU_EXPORT(Menu_Hook) item_term(const MENU *);
209   extern MENU_EXPORT(Menu_Hook) menu_init(const MENU *);
210   extern MENU_EXPORT(Menu_Hook) menu_term(const MENU *);
211 
212   extern MENU_EXPORT(WINDOW *) menu_sub(const MENU *);
213   extern MENU_EXPORT(WINDOW *) menu_win(const MENU *);
214 
215   extern MENU_EXPORT(const char *) item_description(const ITEM *);
216   extern MENU_EXPORT(const char *) item_name(const ITEM *);
217   extern MENU_EXPORT(const char *) menu_mark(const MENU *);
218   extern MENU_EXPORT(const char *) menu_request_name(int);
219 
220   extern MENU_EXPORT(char *) menu_pattern(const MENU *);
221 
222   extern MENU_EXPORT(void *) menu_userptr(const MENU *);
223   extern MENU_EXPORT(void *) item_userptr(const ITEM *);
224 
225   extern MENU_EXPORT(chtype) menu_back(const MENU *);
226   extern MENU_EXPORT(chtype) menu_fore(const MENU *);
227   extern MENU_EXPORT(chtype) menu_grey(const MENU *);
228 
229   extern MENU_EXPORT(int) free_item(ITEM *);
230   extern MENU_EXPORT(int) free_menu(MENU *);
231   extern MENU_EXPORT(int) item_count(const MENU *);
232   extern MENU_EXPORT(int) item_index(const ITEM *);
233   extern MENU_EXPORT(int) item_opts_off(ITEM *, Item_Options);
234   extern MENU_EXPORT(int) item_opts_on(ITEM *, Item_Options);
235   extern MENU_EXPORT(int) menu_driver(MENU *, int);
236   extern MENU_EXPORT(int) menu_opts_off(MENU *, Menu_Options);
237   extern MENU_EXPORT(int) menu_opts_on(MENU *, Menu_Options);
238   extern MENU_EXPORT(int) menu_pad(const MENU *);
239   extern MENU_EXPORT(int) pos_menu_cursor(const MENU *);
240   extern MENU_EXPORT(int) post_menu(MENU *);
241   extern MENU_EXPORT(int) scale_menu(const MENU *, int *, int *);
242   extern MENU_EXPORT(int) set_current_item(MENU *menu, ITEM *item);
243   extern MENU_EXPORT(int) set_item_init(MENU *, Menu_Hook);
244   extern MENU_EXPORT(int) set_item_opts(ITEM *, Item_Options);
245   extern MENU_EXPORT(int) set_item_term(MENU *, Menu_Hook);
246   extern MENU_EXPORT(int) set_item_userptr(ITEM *, void *);
247   extern MENU_EXPORT(int) set_item_value(ITEM *, bool);
248   extern MENU_EXPORT(int) set_menu_back(MENU *, chtype);
249   extern MENU_EXPORT(int) set_menu_fore(MENU *, chtype);
250   extern MENU_EXPORT(int) set_menu_format(MENU *, int, int);
251   extern MENU_EXPORT(int) set_menu_grey(MENU *, chtype);
252   extern MENU_EXPORT(int) set_menu_init(MENU *, Menu_Hook);
253   extern MENU_EXPORT(int) set_menu_items(MENU *, ITEM **);
254   extern MENU_EXPORT(int) set_menu_mark(MENU *, const char *);
255   extern MENU_EXPORT(int) set_menu_opts(MENU *, Menu_Options);
256   extern MENU_EXPORT(int) set_menu_pad(MENU *, int);
257   extern MENU_EXPORT(int) set_menu_pattern(MENU *, const char *);
258   extern MENU_EXPORT(int) set_menu_sub(MENU *, WINDOW *);
259   extern MENU_EXPORT(int) set_menu_term(MENU *, Menu_Hook);
260   extern MENU_EXPORT(int) set_menu_userptr(MENU *, void *);
261   extern MENU_EXPORT(int) set_menu_win(MENU *, WINDOW *);
262   extern MENU_EXPORT(int) set_top_row(MENU *, int);
263   extern MENU_EXPORT(int) top_row(const MENU *);
264   extern MENU_EXPORT(int) unpost_menu(MENU *);
265   extern MENU_EXPORT(int) menu_request_by_name(const char *);
266   extern MENU_EXPORT(int) set_menu_spacing(MENU *, int, int, int);
267   extern MENU_EXPORT(int) menu_spacing(const MENU *, int *, int *, int *);
268 
269   extern MENU_EXPORT(bool) item_value(const ITEM *);
270   extern MENU_EXPORT(bool) item_visible(const ITEM *);
271 
272   extern MENU_EXPORT(void) menu_format(const MENU *, int *, int *);
273 
274 #if NCURSES_SP_FUNCS
275   extern MENU_EXPORT(MENU *) NCURSES_SP_NAME(new_menu) (SCREEN *, ITEM **);
276 #endif
277 
278 #ifdef __cplusplus
279 }
280 #endif
281 
282 #endif				/* ETI_MENU */
283