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Contents of /lbbs/include/menu.h

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Revision 1.23 - (show annotations)
Thu May 29 01:21:44 2025 UTC (9 months, 2 weeks ago) by sysadm
Branch: MAIN
Changes since 1.22: +1 -0 lines
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1 /***************************************************************************
2 menu.h - description
3 -------------------
4 Copyright : (C) 2004-2025 by Leaflet
5 Email : leaflet@leafok.com
6 ***************************************************************************/
7
8 /***************************************************************************
9 * *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 3 of the License, or *
13 * (at your option) any later version. *
14 * *
15 ***************************************************************************/
16
17 #ifndef _MENU_H_
18 #define _MENU_H_
19
20 #include "common.h"
21 #include "trie_dict.h"
22 #include "bbs_cmd.h"
23 #include <stdint.h>
24 #include <sys/shm.h>
25
26 #define MAX_MENU_NAME_LENGTH 30
27 #define MAX_ITEMS_PER_MENU 256
28 #define MAX_MENUITEM_NAME_LENGTH 256
29 #define MAX_MENUITEM_TEXT_LENGTH 100
30 #define MAX_MENUITEM_ACTION_LENGTH 30
31 #define MAX_MENUTITLE_TEXT_LENGTH 50
32 #define MAX_MENU_SCR_NAME_LENGTH 20
33 #define MAX_MENU_SCR_BUF_LENGTH 2000
34 #define MAX_MENUS 256
35 #define MAX_MENUITEMS 5120
36 #define MAX_MENU_DEPTH 50
37
38 typedef uint64_t MENU_ID;
39 typedef uint64_t MENU_ITEM_ID;
40 typedef uint64_t MENU_SCREEN_ID;
41
42 struct menu_item_t
43 {
44 int16_t row, col;
45 char action[MAX_MENUITEM_ACTION_LENGTH];
46 MENU_ID action_menu_id;
47 bbs_cmd_handler action_cmd_handler;
48 int8_t submenu;
49 int priv, level;
50 char name[MAX_MENUITEM_NAME_LENGTH];
51 char text[MAX_MENUITEM_TEXT_LENGTH];
52 };
53 typedef struct menu_item_t MENU_ITEM;
54
55 struct menu_title_t
56 {
57 int16_t row, col;
58 int8_t show;
59 char text[MAX_MENUTITLE_TEXT_LENGTH];
60 };
61 typedef struct menu_title_t MENU_TITLE;
62
63 struct menu_screen_t
64 {
65 char name[MAX_MENU_SCR_NAME_LENGTH];
66 int64_t buf_offset;
67 int64_t buf_length;
68 };
69 typedef struct menu_screen_t MENU_SCREEN;
70
71 struct menu_t
72 {
73 char name[MAX_MENU_NAME_LENGTH];
74 MENU_TITLE title;
75 char screen_name[MAX_MENU_SCR_NAME_LENGTH];
76 MENU_SCREEN_ID screen_id;
77 int8_t screen_show;
78 int16_t screen_row, screen_col;
79 MENU_ITEM_ID items[MAX_ITEMS_PER_MENU];
80 int16_t item_count;
81 int16_t page_row, page_col;
82 int16_t page_item_limit;
83 };
84 typedef struct menu_t MENU;
85
86 struct menu_set_t
87 {
88 int shmid;
89 void *p_reserved;
90 void *p_menu_pool;
91 void *p_menu_item_pool;
92 void *p_menu_screen_pool;
93 char *p_menu_screen_buf;
94 char *p_menu_screen_buf_free;
95 int16_t menu_count;
96 int16_t menu_item_count;
97 int16_t menu_screen_count;
98 TRIE_NODE *p_menu_name_dict;
99 TRIE_NODE *p_menu_screen_dict;
100 MENU_ID menu_id_path[MAX_MENU_DEPTH];
101 int16_t menu_item_pos[MAX_MENU_DEPTH];
102 int16_t choose_step;
103 int8_t menu_item_display[MAX_ITEMS_PER_MENU];
104 int16_t menu_item_r_row[MAX_ITEMS_PER_MENU];
105 int16_t menu_item_r_col[MAX_ITEMS_PER_MENU];
106 int16_t menu_item_page_id[MAX_ITEMS_PER_MENU];
107 };
108 typedef struct menu_set_t MENU_SET;
109
110 extern MENU_SET *p_bbs_menu;
111
112 extern int load_menu(MENU_SET *p_menu_set, const char *conf_file);
113 extern int unload_menu(MENU_SET *p_menu_set);
114
115 extern int set_menu_shm_readonly(MENU_SET *p_menu_set);
116 extern int detach_menu_shm(MENU_SET *p_menu_set);
117
118 extern int display_menu_cursor(MENU_SET *p_menu_set, int show);
119 extern int menu_control(MENU_SET *p_menu_set, int key);
120 extern int display_menu(MENU_SET *p_menu_set);
121
122 inline MENU *get_menu(MENU_SET *p_menu_set, const char *menu_name)
123 {
124 MENU *value = NULL;
125
126 trie_dict_get(p_menu_set->p_menu_name_dict, menu_name, (int64_t *)&value);
127
128 return ((MENU *)value);
129 }
130
131 inline MENU *get_menu_by_id(MENU_SET *p_menu_set, MENU_ID menu_id)
132 {
133 if (menu_id < 0 || menu_id >= p_menu_set->menu_count)
134 {
135 return NULL;
136 }
137
138 return (p_menu_set->p_menu_pool + sizeof(MENU) * menu_id);
139 }
140
141 inline MENU_ITEM *get_menu_item_by_id(MENU_SET *p_menu_set, MENU_ITEM_ID menu_item_id)
142 {
143 if (menu_item_id < 0 || menu_item_id >= p_menu_set->menu_item_count)
144 {
145 return NULL;
146 }
147
148 return (p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * menu_item_id);
149 }
150
151 inline MENU_SCREEN *get_menu_screen_by_id(MENU_SET *p_menu_set, MENU_SCREEN_ID menu_screen_id)
152 {
153 if (menu_screen_id < 0 || menu_screen_id >= p_menu_set->menu_screen_count)
154 {
155 return NULL;
156 }
157
158 return (p_menu_set->p_menu_screen_pool + sizeof(MENU_ITEM) * menu_screen_id);
159 }
160
161 #endif //_MENU_H_

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