/[LeafOK_CVS]/lbbs/include/menu.h
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Contents of /lbbs/include/menu.h

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Revision 1.19 - (show annotations)
Sun May 18 08:53:21 2025 UTC (9 months, 4 weeks ago) by sysadm
Branch: MAIN
Changes since 1.18: +1 -0 lines
Content type: text/x-chdr
Refine menu: clear screen lines before output
Truncate blank lines in menu config

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_MENUITEM_LENGTH 50
27 #define MAX_ITEMS_PER_MENU 30
28 #define MAX_MENUNAME_LENGTH 256
29 #define MAX_MENUACTION_LENGTH 20
30 #define MAX_MENUTITLE_LENGTH 50
31 #define MAX_MENU_SCR_NAME_LENGTH 20
32 #define MAX_MENU_SCR_BUF_LENGTH 2000
33 #define MAX_MENUS 256
34 #define MAX_MENUITEMS 5120
35 #define MAX_MENU_DEPTH 50
36
37 typedef uint64_t MENU_ID;
38 typedef uint64_t MENU_ITEM_ID;
39 typedef uint64_t MENU_SCREEN_ID;
40
41 struct menu_item_t
42 {
43 int16_t row, col;
44 char action[MAX_MENUACTION_LENGTH];
45 MENU_ID action_menu_id;
46 bbs_cmd_handler action_cmd_handler;
47 int8_t submenu;
48 int priv, level;
49 char name[MAX_MENUNAME_LENGTH];
50 char text[MAX_MENUITEM_LENGTH];
51 };
52 typedef struct menu_item_t MENU_ITEM;
53
54 struct menu_title_t
55 {
56 int16_t row, col;
57 int8_t show;
58 char text[MAX_MENUTITLE_LENGTH];
59 };
60 typedef struct menu_title_t MENU_TITLE;
61
62 struct menu_screen_t
63 {
64 char name[MAX_MENU_SCR_NAME_LENGTH];
65 int64_t buf_offset;
66 int64_t buf_length;
67 };
68 typedef struct menu_screen_t MENU_SCREEN;
69
70 struct menu_t
71 {
72 char name[MAX_MENUNAME_LENGTH];
73 MENU_TITLE title;
74 char screen_name[MAX_MENU_SCR_NAME_LENGTH];
75 MENU_SCREEN_ID screen_id;
76 int8_t screen_show;
77 int16_t screen_row, screen_col;
78 MENU_ITEM_ID items[MAX_ITEMS_PER_MENU];
79 int16_t item_count;
80 };
81 typedef struct menu_t MENU;
82
83 struct menu_set_t
84 {
85 int shmid;
86 void *p_reserved;
87 void *p_menu_pool;
88 void *p_menu_item_pool;
89 void *p_menu_screen_pool;
90 char *p_menu_screen_buf;
91 char *p_menu_screen_buf_free;
92 int16_t menu_count;
93 int16_t menu_item_count;
94 int16_t menu_screen_count;
95 TRIE_NODE *p_menu_name_dict;
96 TRIE_NODE *p_menu_screen_dict;
97 MENU_ID menu_id_path[MAX_MENU_DEPTH];
98 int16_t menu_item_pos[MAX_MENU_DEPTH];
99 int16_t choose_step;
100 int8_t menu_item_display[MAX_ITEMS_PER_MENU];
101 int16_t menu_item_r_row[MAX_ITEMS_PER_MENU];
102 int16_t menu_item_r_col[MAX_ITEMS_PER_MENU];
103 };
104 typedef struct menu_set_t MENU_SET;
105
106 extern MENU_SET *p_bbs_menu;
107
108 extern int load_menu(MENU_SET *p_menu_set, const char *conf_file);
109 extern int unload_menu(MENU_SET *p_menu_set);
110
111 extern int load_menu_shm(MENU_SET *p_menu_set);
112 extern int unload_menu_shm(MENU_SET *p_menu_set);
113
114 extern int menu_control(MENU_SET *p_menu_set, int key);
115 extern int display_menu(MENU_SET *p_menu_set);
116
117 inline MENU *get_menu(MENU_SET *p_menu_set, const char *menu_name)
118 {
119 MENU *value = NULL;
120
121 trie_dict_get(p_menu_set->p_menu_name_dict, menu_name, (int64_t *)&value);
122
123 return ((MENU *)value);
124 }
125
126 inline MENU *get_menu_by_id(MENU_SET *p_menu_set, MENU_ID menu_id)
127 {
128 if (menu_id < 0 || menu_id >= p_menu_set->menu_count)
129 {
130 return NULL;
131 }
132
133 return (p_menu_set->p_menu_pool + sizeof(MENU) * menu_id);
134 }
135
136 inline MENU_ITEM *get_menu_item_by_id(MENU_SET *p_menu_set, MENU_ITEM_ID menu_item_id)
137 {
138 if (menu_item_id < 0 || menu_item_id >= p_menu_set->menu_item_count)
139 {
140 return NULL;
141 }
142
143 return (p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * menu_item_id);
144 }
145
146 inline MENU_SCREEN *get_menu_screen_by_id(MENU_SET *p_menu_set, MENU_SCREEN_ID menu_screen_id)
147 {
148 if (menu_screen_id < 0 || menu_screen_id >= p_menu_set->menu_screen_count)
149 {
150 return NULL;
151 }
152
153 return (p_menu_set->p_menu_screen_pool + sizeof(MENU_ITEM) * menu_screen_id);
154 }
155
156 #endif //_MENU_H_

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