xref: /openbsd/lib/libmenu/menu.h (revision 5af055cd)
1 /*	$OpenBSD: menu.h,v 1.9 2015/01/23 22:48:51 krw Exp $	*/
2 /****************************************************************************
3  * Copyright (c) 1998-2003,2007 Free Software Foundation, Inc.              *
4  *                                                                          *
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6  * copy of this software and associated documentation files (the            *
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11  * furnished to do so, subject to the following conditions:                 *
12  *                                                                          *
13  * The above copyright notice and this permission notice shall be included  *
14  * in all copies or substantial portions of the Software.                   *
15  *                                                                          *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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24  * Except as contained in this notice, the name(s) of the above copyright   *
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29 
30 /****************************************************************************
31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
32  ****************************************************************************/
33 
34 /* $Id: menu.h,v 1.9 2015/01/23 22:48:51 krw Exp $ */
35 
36 #ifndef ETI_MENU
37 #define ETI_MENU
38 
39 #ifdef AMIGA
40 #define TEXT TEXT_ncurses
41 #endif
42 
43 #include <curses.h>
44 #include <eti.h>
45 
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49 
50 typedef int Menu_Options;
51 typedef int Item_Options;
52 
53 /* Menu options: */
54 #define O_ONEVALUE      (0x01)
55 #define O_SHOWDESC      (0x02)
56 #define O_ROWMAJOR      (0x04)
57 #define O_IGNORECASE    (0x08)
58 #define O_SHOWMATCH     (0x10)
59 #define O_NONCYCLIC     (0x20)
60 
61 /* Item options: */
62 #define O_SELECTABLE    (0x01)
63 
64 typedef struct
65 {
66   const char* str;
67   unsigned short length;
68 } TEXT;
69 
70 typedef struct tagITEM
71 {
72   TEXT           name;        /* name of menu item                         */
73   TEXT           description; /* description of item, optional in display  */
74   struct tagMENU *imenu;      /* Pointer to parent menu                    */
75   void           *userptr;    /* Pointer to user defined per item data     */
76   Item_Options   opt;         /* Item options                              */
77   short          index;       /* Item number if connected to a menu        */
78   short          y;           /* y and x location of item in menu          */
79   short          x;
80   bool           value;       /* Selection value                           */
81 
82   struct tagITEM *left;       /* neighbor items                            */
83   struct tagITEM *right;
84   struct tagITEM *up;
85   struct tagITEM *down;
86 
87 } ITEM;
88 
89 typedef void (*Menu_Hook)(struct tagMENU *);
90 
91 typedef struct tagMENU
92 {
93   short          height;                /* Nr. of chars high               */
94   short          width;                 /* Nr. of chars wide               */
95   short          rows;                  /* Nr. of items high               */
96   short          cols;                  /* Nr. of items wide               */
97   short          frows;                 /* Nr. of formatted items high     */
98   short          fcols;                 /* Nr. of formatted items wide     */
99   short          arows;                 /* Nr. of items high (actual)      */
100   short          namelen;               /* Max. name length                */
101   short          desclen;               /* Max. description length         */
102   short          marklen;               /* Length of mark, if any          */
103   short          itemlen;               /* Length of one item              */
104   short          spc_desc;              /* Spacing for descriptor          */
105   short          spc_cols;              /* Spacing for columns             */
106   short          spc_rows;              /* Spacing for rows                */
107   char          *pattern;               /* Buffer to store match chars     */
108   short          pindex;                /* Index into pattern buffer       */
109   WINDOW        *win;                   /* Window containing menu          */
110   WINDOW        *sub;                   /* Subwindow for menu display      */
111   WINDOW        *userwin;               /* User's window                   */
112   WINDOW        *usersub;               /* User's subwindow                */
113   ITEM          **items;                /* array of items                  */
114   short          nitems;                /* Nr. of items in menu            */
115   ITEM          *curitem;               /* Current item                    */
116   short          toprow;                /* Top row of menu                 */
117   chtype         fore;                  /* Selection attribute             */
118   chtype         back;                  /* Nonselection attribute          */
119   chtype         grey;                  /* Inactive attribute              */
120   unsigned char  pad;                   /* Pad character                   */
121 
122   Menu_Hook      menuinit;              /* User hooks                      */
123   Menu_Hook      menuterm;
124   Menu_Hook      iteminit;
125   Menu_Hook      itemterm;
126 
127   void          *userptr;               /* Pointer to menus user data      */
128   char          *mark;                  /* Pointer to marker string        */
129 
130   Menu_Options   opt;                   /* Menu options                    */
131   unsigned short status;                /* Internal state of menu          */
132 
133 } MENU;
134 
135 
136 /* Define keys */
137 
138 #define REQ_LEFT_ITEM           (KEY_MAX + 1)
139 #define REQ_RIGHT_ITEM          (KEY_MAX + 2)
140 #define REQ_UP_ITEM             (KEY_MAX + 3)
141 #define REQ_DOWN_ITEM           (KEY_MAX + 4)
142 #define REQ_SCR_ULINE           (KEY_MAX + 5)
143 #define REQ_SCR_DLINE           (KEY_MAX + 6)
144 #define REQ_SCR_DPAGE           (KEY_MAX + 7)
145 #define REQ_SCR_UPAGE           (KEY_MAX + 8)
146 #define REQ_FIRST_ITEM          (KEY_MAX + 9)
147 #define REQ_LAST_ITEM           (KEY_MAX + 10)
148 #define REQ_NEXT_ITEM           (KEY_MAX + 11)
149 #define REQ_PREV_ITEM           (KEY_MAX + 12)
150 #define REQ_TOGGLE_ITEM         (KEY_MAX + 13)
151 #define REQ_CLEAR_PATTERN       (KEY_MAX + 14)
152 #define REQ_BACK_PATTERN        (KEY_MAX + 15)
153 #define REQ_NEXT_MATCH          (KEY_MAX + 16)
154 #define REQ_PREV_MATCH          (KEY_MAX + 17)
155 
156 #define MIN_MENU_COMMAND        (KEY_MAX + 1)
157 #define MAX_MENU_COMMAND        (KEY_MAX + 17)
158 
159 /*
160  * Some AT&T code expects MAX_COMMAND to be out-of-band not
161  * just for menu commands but for forms ones as well.
162  */
163 #if defined(MAX_COMMAND)
164 #  if (MAX_MENU_COMMAND > MAX_COMMAND)
165 #    error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND
166 #  elif (MAX_COMMAND != (KEY_MAX + 128))
167 #    error Something is wrong -- MAX_COMMAND is already inconsistently defined.
168 #  endif
169 #else
170 #  define MAX_COMMAND (KEY_MAX + 128)
171 #endif
172 
173 
174 /* --------- prototypes for libmenu functions ----------------------------- */
175 
176 extern NCURSES_EXPORT(ITEM **)	menu_items (const MENU *);
177 extern NCURSES_EXPORT(ITEM *)	current_item (const MENU *);
178 extern NCURSES_EXPORT(ITEM *)	new_item (const char *,const char *);
179 
180 extern NCURSES_EXPORT(MENU *)	new_menu (ITEM **);
181 
182 extern NCURSES_EXPORT(Item_Options)	item_opts (const ITEM *);
183 extern NCURSES_EXPORT(Menu_Options)	menu_opts (const MENU *);
184 
185 extern NCURSES_EXPORT(Menu_Hook)	item_init (const MENU *);
186 extern NCURSES_EXPORT(Menu_Hook)	item_term (const MENU *);
187 extern NCURSES_EXPORT(Menu_Hook)	menu_init (const MENU *);
188 extern NCURSES_EXPORT(Menu_Hook)	menu_term (const MENU *);
189 
190 extern NCURSES_EXPORT(WINDOW *)	menu_sub (const MENU *);
191 extern NCURSES_EXPORT(WINDOW *)	menu_win (const MENU *);
192 
193 extern NCURSES_EXPORT(const char *)	item_description (const ITEM *);
194 extern NCURSES_EXPORT(const char *)	item_name (const ITEM *);
195 extern NCURSES_EXPORT(const char *)	menu_mark (const MENU *);
196 extern NCURSES_EXPORT(const char *)	menu_request_name (int);
197 
198 extern NCURSES_EXPORT(char *)	menu_pattern (const MENU *);
199 
200 extern NCURSES_EXPORT(void *)	menu_userptr (const MENU *);
201 extern NCURSES_EXPORT(void *)	item_userptr (const ITEM *);
202 
203 extern NCURSES_EXPORT(chtype)	menu_back (const MENU *);
204 extern NCURSES_EXPORT(chtype)	menu_fore (const MENU *);
205 extern NCURSES_EXPORT(chtype)	menu_grey (const MENU *);
206 
207 extern NCURSES_EXPORT(int)	free_item (ITEM *);
208 extern NCURSES_EXPORT(int)	free_menu (MENU *);
209 extern NCURSES_EXPORT(int)	item_count (const MENU *);
210 extern NCURSES_EXPORT(int)	item_index (const ITEM *);
211 extern NCURSES_EXPORT(int)	item_opts_off (ITEM *,Item_Options);
212 extern NCURSES_EXPORT(int)	item_opts_on (ITEM *,Item_Options);
213 extern NCURSES_EXPORT(int)	menu_driver (MENU *,int);
214 extern NCURSES_EXPORT(int)	menu_opts_off (MENU *,Menu_Options);
215 extern NCURSES_EXPORT(int)	menu_opts_on (MENU *,Menu_Options);
216 extern NCURSES_EXPORT(int)	menu_pad (const MENU *);
217 extern NCURSES_EXPORT(int)	pos_menu_cursor (const MENU *);
218 extern NCURSES_EXPORT(int)	post_menu (MENU *);
219 extern NCURSES_EXPORT(int)	scale_menu (const MENU *,int *,int *);
220 extern NCURSES_EXPORT(int)	set_current_item (MENU *menu,ITEM *item);
221 extern NCURSES_EXPORT(int)	set_item_init (MENU *, Menu_Hook);
222 extern NCURSES_EXPORT(int)	set_item_opts (ITEM *,Item_Options);
223 extern NCURSES_EXPORT(int)	set_item_term (MENU *, Menu_Hook);
224 extern NCURSES_EXPORT(int)	set_item_userptr (ITEM *, void *);
225 extern NCURSES_EXPORT(int)	set_item_value (ITEM *,bool);
226 extern NCURSES_EXPORT(int)	set_menu_back (MENU *,chtype);
227 extern NCURSES_EXPORT(int)	set_menu_fore (MENU *,chtype);
228 extern NCURSES_EXPORT(int)	set_menu_format (MENU *,int,int);
229 extern NCURSES_EXPORT(int)	set_menu_grey (MENU *,chtype);
230 extern NCURSES_EXPORT(int)	set_menu_init (MENU *, Menu_Hook);
231 extern NCURSES_EXPORT(int)	set_menu_items (MENU *,ITEM **);
232 extern NCURSES_EXPORT(int)	set_menu_mark (MENU *, const char *);
233 extern NCURSES_EXPORT(int)	set_menu_opts (MENU *,Menu_Options);
234 extern NCURSES_EXPORT(int)	set_menu_pad (MENU *,int);
235 extern NCURSES_EXPORT(int)	set_menu_pattern (MENU *,const char *);
236 extern NCURSES_EXPORT(int)	set_menu_sub (MENU *,WINDOW *);
237 extern NCURSES_EXPORT(int)	set_menu_term (MENU *, Menu_Hook);
238 extern NCURSES_EXPORT(int)	set_menu_userptr (MENU *,void *);
239 extern NCURSES_EXPORT(int)	set_menu_win (MENU *,WINDOW *);
240 extern NCURSES_EXPORT(int)	set_top_row (MENU *,int);
241 extern NCURSES_EXPORT(int)	top_row (const MENU *);
242 extern NCURSES_EXPORT(int)	unpost_menu (MENU *);
243 extern NCURSES_EXPORT(int)	menu_request_by_name (const char *);
244 extern NCURSES_EXPORT(int)	set_menu_spacing (MENU *,int,int,int);
245 extern NCURSES_EXPORT(int)	menu_spacing (const MENU *,int *,int *,int *);
246 
247 
248 extern NCURSES_EXPORT(bool)	item_value (const ITEM *);
249 extern NCURSES_EXPORT(bool)	item_visible (const ITEM *);
250 
251 extern NCURSES_EXPORT(void)	menu_format (const MENU *,int *,int *);
252 
253 #ifdef __cplusplus
254   }
255 #endif
256 
257 #endif /* ETI_MENU */
258