xref: /freebsd/contrib/ncurses/menu/menu.h (revision f7c4bd95ba735bd6a5454b4953945a99cefbb80c)
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3  *                                                                          *
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28 
29 /****************************************************************************
30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
31  ****************************************************************************/
32 
33 /* $Id: menu.h,v 1.19 2007/02/24 17:32:13 tom Exp $ */
34 
35 #ifndef ETI_MENU
36 #define ETI_MENU
37 
38 #ifdef AMIGA
39 #define TEXT TEXT_ncurses
40 #endif
41 
42 #include <curses.h>
43 #include <eti.h>
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 typedef int Menu_Options;
50 typedef int Item_Options;
51 
52 /* Menu options: */
53 #define O_ONEVALUE      (0x01)
54 #define O_SHOWDESC      (0x02)
55 #define O_ROWMAJOR      (0x04)
56 #define O_IGNORECASE    (0x08)
57 #define O_SHOWMATCH     (0x10)
58 #define O_NONCYCLIC     (0x20)
59 
60 /* Item options: */
61 #define O_SELECTABLE    (0x01)
62 
63 typedef struct
64 {
65   const char* str;
66   unsigned short length;
67 } TEXT;
68 
69 typedef struct tagITEM
70 {
71   TEXT           name;        /* name of menu item                         */
72   TEXT           description; /* description of item, optional in display  */
73   struct tagMENU *imenu;      /* Pointer to parent menu                    */
74   void           *userptr;    /* Pointer to user defined per item data     */
75   Item_Options   opt;         /* Item options                              */
76   short          index;       /* Item number if connected to a menu        */
77   short          y;           /* y and x location of item in menu          */
78   short          x;
79   bool           value;       /* Selection value                           */
80 
81   struct tagITEM *left;       /* neighbor items                            */
82   struct tagITEM *right;
83   struct tagITEM *up;
84   struct tagITEM *down;
85 
86 } ITEM;
87 
88 typedef void (*Menu_Hook)(struct tagMENU *);
89 
90 typedef struct tagMENU
91 {
92   short          height;                /* Nr. of chars high               */
93   short          width;                 /* Nr. of chars wide               */
94   short          rows;                  /* Nr. of items high               */
95   short          cols;                  /* Nr. of items wide               */
96   short          frows;                 /* Nr. of formatted items high     */
97   short          fcols;                 /* Nr. of formatted items wide     */
98   short          arows;                 /* Nr. of items high (actual)      */
99   short          namelen;               /* Max. name length                */
100   short          desclen;               /* Max. description length         */
101   short          marklen;               /* Length of mark, if any          */
102   short          itemlen;               /* Length of one item              */
103   short          spc_desc;              /* Spacing for descriptor          */
104   short          spc_cols;              /* Spacing for columns             */
105   short          spc_rows;              /* Spacing for rows                */
106   char          *pattern;               /* Buffer to store match chars     */
107   short          pindex;                /* Index into pattern buffer       */
108   WINDOW        *win;                   /* Window containing menu          */
109   WINDOW        *sub;                   /* Subwindow for menu display      */
110   WINDOW        *userwin;               /* User's window                   */
111   WINDOW        *usersub;               /* User's subwindow                */
112   ITEM          **items;                /* array of items                  */
113   short          nitems;                /* Nr. of items in menu            */
114   ITEM          *curitem;               /* Current item                    */
115   short          toprow;                /* Top row of menu                 */
116   chtype         fore;                  /* Selection attribute             */
117   chtype         back;                  /* Nonselection attribute          */
118   chtype         grey;                  /* Inactive attribute              */
119   unsigned char  pad;                   /* Pad character                   */
120 
121   Menu_Hook      menuinit;              /* User hooks                      */
122   Menu_Hook      menuterm;
123   Menu_Hook      iteminit;
124   Menu_Hook      itemterm;
125 
126   void          *userptr;               /* Pointer to menus user data      */
127   char          *mark;                  /* Pointer to marker string        */
128 
129   Menu_Options   opt;                   /* Menu options                    */
130   unsigned short status;                /* Internal state of menu          */
131 
132 } MENU;
133 
134 
135 /* Define keys */
136 
137 #define REQ_LEFT_ITEM           (KEY_MAX + 1)
138 #define REQ_RIGHT_ITEM          (KEY_MAX + 2)
139 #define REQ_UP_ITEM             (KEY_MAX + 3)
140 #define REQ_DOWN_ITEM           (KEY_MAX + 4)
141 #define REQ_SCR_ULINE           (KEY_MAX + 5)
142 #define REQ_SCR_DLINE           (KEY_MAX + 6)
143 #define REQ_SCR_DPAGE           (KEY_MAX + 7)
144 #define REQ_SCR_UPAGE           (KEY_MAX + 8)
145 #define REQ_FIRST_ITEM          (KEY_MAX + 9)
146 #define REQ_LAST_ITEM           (KEY_MAX + 10)
147 #define REQ_NEXT_ITEM           (KEY_MAX + 11)
148 #define REQ_PREV_ITEM           (KEY_MAX + 12)
149 #define REQ_TOGGLE_ITEM         (KEY_MAX + 13)
150 #define REQ_CLEAR_PATTERN       (KEY_MAX + 14)
151 #define REQ_BACK_PATTERN        (KEY_MAX + 15)
152 #define REQ_NEXT_MATCH          (KEY_MAX + 16)
153 #define REQ_PREV_MATCH          (KEY_MAX + 17)
154 
155 #define MIN_MENU_COMMAND        (KEY_MAX + 1)
156 #define MAX_MENU_COMMAND        (KEY_MAX + 17)
157 
158 /*
159  * Some AT&T code expects MAX_COMMAND to be out-of-band not
160  * just for menu commands but for forms ones as well.
161  */
162 #if defined(MAX_COMMAND)
163 #  if (MAX_MENU_COMMAND > MAX_COMMAND)
164 #    error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND
165 #  elif (MAX_COMMAND != (KEY_MAX + 128))
166 #    error Something is wrong -- MAX_COMMAND is already inconsistently defined.
167 #  endif
168 #else
169 #  define MAX_COMMAND (KEY_MAX + 128)
170 #endif
171 
172 
173 /* --------- prototypes for libmenu functions ----------------------------- */
174 
175 extern NCURSES_EXPORT(ITEM **)	menu_items (const MENU *);
176 extern NCURSES_EXPORT(ITEM *)	current_item (const MENU *);
177 extern NCURSES_EXPORT(ITEM *)	new_item (const char *,const char *);
178 
179 extern NCURSES_EXPORT(MENU *)	new_menu (ITEM **);
180 
181 extern NCURSES_EXPORT(Item_Options)	item_opts (const ITEM *);
182 extern NCURSES_EXPORT(Menu_Options)	menu_opts (const MENU *);
183 
184 extern NCURSES_EXPORT(Menu_Hook)	item_init (const MENU *);
185 extern NCURSES_EXPORT(Menu_Hook)	item_term (const MENU *);
186 extern NCURSES_EXPORT(Menu_Hook)	menu_init (const MENU *);
187 extern NCURSES_EXPORT(Menu_Hook)	menu_term (const MENU *);
188 
189 extern NCURSES_EXPORT(WINDOW *)	menu_sub (const MENU *);
190 extern NCURSES_EXPORT(WINDOW *)	menu_win (const MENU *);
191 
192 extern NCURSES_EXPORT(const char *)	item_description (const ITEM *);
193 extern NCURSES_EXPORT(const char *)	item_name (const ITEM *);
194 extern NCURSES_EXPORT(const char *)	menu_mark (const MENU *);
195 extern NCURSES_EXPORT(const char *)	menu_request_name (int);
196 
197 extern NCURSES_EXPORT(char *)	menu_pattern (const MENU *);
198 
199 extern NCURSES_EXPORT(void *)	menu_userptr (const MENU *);
200 extern NCURSES_EXPORT(void *)	item_userptr (const ITEM *);
201 
202 extern NCURSES_EXPORT(chtype)	menu_back (const MENU *);
203 extern NCURSES_EXPORT(chtype)	menu_fore (const MENU *);
204 extern NCURSES_EXPORT(chtype)	menu_grey (const MENU *);
205 
206 extern NCURSES_EXPORT(int)	free_item (ITEM *);
207 extern NCURSES_EXPORT(int)	free_menu (MENU *);
208 extern NCURSES_EXPORT(int)	item_count (const MENU *);
209 extern NCURSES_EXPORT(int)	item_index (const ITEM *);
210 extern NCURSES_EXPORT(int)	item_opts_off (ITEM *,Item_Options);
211 extern NCURSES_EXPORT(int)	item_opts_on (ITEM *,Item_Options);
212 extern NCURSES_EXPORT(int)	menu_driver (MENU *,int);
213 extern NCURSES_EXPORT(int)	menu_opts_off (MENU *,Menu_Options);
214 extern NCURSES_EXPORT(int)	menu_opts_on (MENU *,Menu_Options);
215 extern NCURSES_EXPORT(int)	menu_pad (const MENU *);
216 extern NCURSES_EXPORT(int)	pos_menu_cursor (const MENU *);
217 extern NCURSES_EXPORT(int)	post_menu (MENU *);
218 extern NCURSES_EXPORT(int)	scale_menu (const MENU *,int *,int *);
219 extern NCURSES_EXPORT(int)	set_current_item (MENU *menu,ITEM *item);
220 extern NCURSES_EXPORT(int)	set_item_init (MENU *, Menu_Hook);
221 extern NCURSES_EXPORT(int)	set_item_opts (ITEM *,Item_Options);
222 extern NCURSES_EXPORT(int)	set_item_term (MENU *, Menu_Hook);
223 extern NCURSES_EXPORT(int)	set_item_userptr (ITEM *, void *);
224 extern NCURSES_EXPORT(int)	set_item_value (ITEM *,bool);
225 extern NCURSES_EXPORT(int)	set_menu_back (MENU *,chtype);
226 extern NCURSES_EXPORT(int)	set_menu_fore (MENU *,chtype);
227 extern NCURSES_EXPORT(int)	set_menu_format (MENU *,int,int);
228 extern NCURSES_EXPORT(int)	set_menu_grey (MENU *,chtype);
229 extern NCURSES_EXPORT(int)	set_menu_init (MENU *, Menu_Hook);
230 extern NCURSES_EXPORT(int)	set_menu_items (MENU *,ITEM **);
231 extern NCURSES_EXPORT(int)	set_menu_mark (MENU *, const char *);
232 extern NCURSES_EXPORT(int)	set_menu_opts (MENU *,Menu_Options);
233 extern NCURSES_EXPORT(int)	set_menu_pad (MENU *,int);
234 extern NCURSES_EXPORT(int)	set_menu_pattern (MENU *,const char *);
235 extern NCURSES_EXPORT(int)	set_menu_sub (MENU *,WINDOW *);
236 extern NCURSES_EXPORT(int)	set_menu_term (MENU *, Menu_Hook);
237 extern NCURSES_EXPORT(int)	set_menu_userptr (MENU *,void *);
238 extern NCURSES_EXPORT(int)	set_menu_win (MENU *,WINDOW *);
239 extern NCURSES_EXPORT(int)	set_top_row (MENU *,int);
240 extern NCURSES_EXPORT(int)	top_row (const MENU *);
241 extern NCURSES_EXPORT(int)	unpost_menu (MENU *);
242 extern NCURSES_EXPORT(int)	menu_request_by_name (const char *);
243 extern NCURSES_EXPORT(int)	set_menu_spacing (MENU *,int,int,int);
244 extern NCURSES_EXPORT(int)	menu_spacing (const MENU *,int *,int *,int *);
245 
246 
247 extern NCURSES_EXPORT(bool)	item_value (const ITEM *);
248 extern NCURSES_EXPORT(bool)	item_visible (const ITEM *);
249 
250 extern NCURSES_EXPORT(void)	menu_format (const MENU *,int *,int *);
251 
252 #ifdef __cplusplus
253   }
254 #endif
255 
256 #endif /* ETI_MENU */
257