/[LeafOK_CVS]/lbbs/src/menu.c
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Revision 1.71 - (hide annotations)
Wed Jul 2 04:17:33 2025 UTC (8 months, 2 weeks ago) by sysadm
Branch: MAIN
Changes since 1.70: +2 -2 lines
Content type: text/x-csrc 
Support UTF8 instead of GBK
1 sysadm 1.1 /***************************************************************************
2 sysadm 1.21 menu.c - description
3     -------------------
4 sysadm 1.30 Copyright : (C) 2004-2025 by Leaflet
5     Email : leaflet@leafok.com
6 sysadm 1.1 ***************************************************************************/
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 sysadm 1.30 * the Free Software Foundation; either version 3 of the License, or *
13 sysadm 1.1 * (at your option) any later version. *
14     * *
15     ***************************************************************************/
16    
17 sysadm 1.3 #include "bbs.h"
18 sysadm 1.17 #include "bbs_cmd.h"
19 sysadm 1.22 #include "bbs_cmd.h"
20 sysadm 1.67 #include "common.h"
21     #include "io.h"
22     #include "log.h"
23 sysadm 1.1 #include "menu.h"
24 sysadm 1.22 #include "screen.h"
25 sysadm 1.67 #include "user_priv.h"
26     #include <ctype.h>
27     #include <errno.h>
28 sysadm 1.1 #include <stdio.h>
29 sysadm 1.6 #include <stdlib.h>
30 sysadm 1.67 #include <string.h>
31 sysadm 1.40 #include <unistd.h>
32 sysadm 1.67 #include <sys/ipc.h>
33 sysadm 1.40 #include <sys/shm.h>
34 sysadm 1.1
35 sysadm 1.31 #define MENU_SCREEN_PATH_PREFIX "var/MENU_SCR_"
36     #define MENU_CONF_DELIM_WITH_SPACE " ,\t\r\n"
37     #define MENU_CONF_DELIM_WITHOUT_SPACE "\r\n"
38 sysadm 1.25
39 sysadm 1.40 #define MENU_SET_RESERVED_LENGTH (sizeof(int16_t) * 4)
40    
41 sysadm 1.69 MENU_SET bbs_menu;
42 sysadm 1.1
43 sysadm 1.21 int load_menu(MENU_SET *p_menu_set, const char *conf_file)
44 sysadm 1.1 {
45 sysadm 1.40 FILE *fin;
46 sysadm 1.31 int fin_line = 0;
47 sysadm 1.23 char buffer[LINE_BUFFER_LEN];
48 sysadm 1.33 char temp[LINE_BUFFER_LEN];
49 sysadm 1.31 char *p = NULL;
50     char *q = NULL;
51 sysadm 1.48 char *r = NULL;
52 sysadm 1.31 char *saveptr = NULL;
53     MENU *p_menu = NULL;
54 sysadm 1.40 MENU_ITEM *p_menu_item = NULL;
55     MENU_SCREEN *p_screen = NULL;
56     MENU_ID menu_id;
57     MENU_ITEM_ID menu_item_id;
58     MENU_SCREEN_ID screen_id;
59     int proj_id;
60     key_t key;
61     size_t size;
62 sysadm 1.31
63 sysadm 1.69 // Initialize the data structure
64     memset(p_menu_set, 0, sizeof(*p_menu_set));
65    
66 sysadm 1.40 // Use trie_dict to search menu_id by menu name
67 sysadm 1.39 p_menu_set->p_menu_name_dict = trie_dict_create();
68 sysadm 1.40 if (p_menu_set->p_menu_name_dict == NULL)
69     {
70     log_error("trie_dict_create() error\n");
71     return -3;
72     }
73    
74     // Use trie_dict to search screen_id by menu screen name
75     p_menu_set->p_menu_screen_dict = trie_dict_create();
76     if (p_menu_set->p_menu_screen_dict == NULL)
77     {
78     log_error("trie_dict_create() error\n");
79     return -3;
80     }
81 sysadm 1.21
82     if ((fin = fopen(conf_file, "r")) == NULL)
83     {
84 sysadm 1.68 log_error("Open %s failed\n", conf_file);
85 sysadm 1.31 return -2;
86 sysadm 1.21 }
87    
88 sysadm 1.40 // Allocate shared memory
89     proj_id = (int)(time(NULL) % getpid());
90     key = ftok(conf_file, proj_id);
91     if (key == -1)
92     {
93     log_error("ftok(%s %d) error (%d)\n", conf_file, proj_id, errno);
94     return -2;
95     }
96    
97     size = MENU_SET_RESERVED_LENGTH +
98     sizeof(MENU) * MAX_MENUS +
99     sizeof(MENU_ITEM) * MAX_MENUITEMS +
100     sizeof(MENU_SCREEN) * MAX_MENUS +
101     MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS;
102     p_menu_set->shmid = shmget(key, size, IPC_CREAT | IPC_EXCL | 0600);
103     if (p_menu_set->shmid == -1)
104     {
105     log_error("shmget(size = %d) error (%d)\n", size, errno);
106     return -3;
107     }
108     p_menu_set->p_reserved = shmat(p_menu_set->shmid, NULL, 0);
109     if (p_menu_set->p_reserved == (void *)-1)
110     {
111     log_error("shmat() error (%d)\n", errno);
112     return -3;
113     }
114     p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;
115     p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;
116     p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;
117     p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;
118     p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
119    
120     p_menu_set->menu_count = 0;
121     p_menu_set->menu_item_count = 0;
122     p_menu_set->menu_screen_count = 0;
123     p_menu_set->choose_step = 0;
124     p_menu_set->menu_id_path[0] = 0;
125 sysadm 1.69 p_menu_set->menu_item_pos[0] = 0;
126 sysadm 1.68 p_menu_set->allow_exit = 0;
127 sysadm 1.21
128 sysadm 1.23 while (fgets(buffer, sizeof(buffer), fin))
129 sysadm 1.3 {
130 sysadm 1.31 fin_line++;
131    
132     p = strtok_r(buffer, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
133     if (p == NULL) // Blank line
134 sysadm 1.21 {
135 sysadm 1.31 continue;
136     }
137    
138     if (*p == '#' || *p == '\r' || *p == '\n') // Comment or blank line
139     {
140     continue;
141     }
142    
143     if (*p == '%')
144     {
145     p++;
146    
147     if (strcmp(p, "menu") == 0) // BEGIN of sub-menu
148 sysadm 1.21 {
149 sysadm 1.31 if (p_menu != NULL)
150     {
151 sysadm 1.33 log_error("Incomplete menu definition in menu config line %d\n", fin_line);
152 sysadm 1.31 return -1;
153     }
154 sysadm 1.40
155     if (p_menu_set->menu_count >= MAX_MENUS)
156 sysadm 1.31 {
157 sysadm 1.40 log_error("Menu count (%d) exceed limit (%d)\n", p_menu_set->menu_count, MAX_MENUS);
158 sysadm 1.31 return -3;
159     }
160 sysadm 1.40 menu_id = (MENU_ID)p_menu_set->menu_count;
161     p_menu_set->menu_count++;
162    
163     p_menu = get_menu_by_id(p_menu_set, menu_id);
164 sysadm 1.21
165 sysadm 1.31 p_menu->item_count = 0;
166     p_menu->title.show = 0;
167 sysadm 1.40 p_menu->screen_show = 0;
168 sysadm 1.51 p_menu->page_item_limit = 0;
169 sysadm 1.62 p_menu->use_filter = 0;
170     p_menu->filter_handler = NULL;
171 sysadm 1.31
172     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
173     if (q == NULL)
174     {
175     log_error("Error menu name in menu config line %d\n", fin_line);
176     return -1;
177     }
178     p = q;
179 sysadm 1.48 while (isalnum(*q) || *q == '_' || *q == '-')
180 sysadm 1.31 {
181     q++;
182     }
183     if (*q != '\0')
184 sysadm 1.21 {
185 sysadm 1.31 log_error("Error menu name in menu config line %d\n", fin_line);
186     return -1;
187 sysadm 1.21 }
188    
189 sysadm 1.31 if (q - p > sizeof(p_menu->name) - 1)
190 sysadm 1.21 {
191 sysadm 1.31 log_error("Too longer menu name in menu config line %d\n", fin_line);
192     return -1;
193 sysadm 1.21 }
194 sysadm 1.31 strncpy(p_menu->name, p, sizeof(p_menu->name) - 1);
195     p_menu->name[sizeof(p_menu->name) - 1] = '\0';
196 sysadm 1.40
197     if (trie_dict_set(p_menu_set->p_menu_name_dict, p_menu->name, (int64_t)menu_id) != 1)
198 sysadm 1.39 {
199     log_error("Error set menu dict [%s]\n", p_menu->name);
200     }
201 sysadm 1.21
202 sysadm 1.31 // Check syntax
203     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
204     if (q != NULL)
205     {
206     log_error("Unknown extra content in menu config line %d\n", fin_line);
207     return -1;
208     }
209 sysadm 1.21
210 sysadm 1.31 while (fgets(buffer, sizeof(buffer), fin))
211     {
212     fin_line++;
213 sysadm 1.21
214 sysadm 1.31 p = strtok_r(buffer, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
215     if (p == NULL) // Blank line
216     {
217     continue;
218     }
219 sysadm 1.21
220 sysadm 1.31 if (*p == '#' || *p == '\r' || *p == '\n') // Comment or blank line
221 sysadm 1.21 {
222     continue;
223     }
224 sysadm 1.31
225     if (*p == '%') // END of sub-menu
226 sysadm 1.21 {
227 sysadm 1.31 p_menu = NULL;
228 sysadm 1.21 break;
229     }
230 sysadm 1.31 else if (*p == '!' || *p == '@')
231 sysadm 1.21 {
232 sysadm 1.31 // BEGIN of menu item
233 sysadm 1.40 if (p_menu->item_count >= MAX_ITEMS_PER_MENU)
234     {
235     log_error("Menuitem count per menu (%d) exceed limit (%d)\n", p_menu->item_count, MAX_ITEMS_PER_MENU);
236     return -1;
237     }
238     if (p_menu_set->menu_item_count >= MAX_MENUITEMS)
239 sysadm 1.31 {
240 sysadm 1.40 log_error("Menuitem count (%d) exceed limit (%d)\n", p_menu_set->menu_item_count, MAX_MENUITEMS);
241 sysadm 1.31 return -3;
242     }
243 sysadm 1.40 menu_item_id = (MENU_ITEM_ID)p_menu_set->menu_item_count;
244     p_menu_set->menu_item_count++;
245 sysadm 1.31
246 sysadm 1.40 p_menu->items[p_menu->item_count] = menu_item_id;
247     p_menu->item_count++;
248    
249     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
250    
251     p_menu_item->submenu = (*p == '!' ? 1 : 0);
252 sysadm 1.31
253     // Menu item action
254     p++;
255     if (strcmp(p, "..") == 0) // Return to parent menu
256     {
257     q = p + 2; // strlen("..")
258     }
259     else
260     {
261     q = p;
262 sysadm 1.48 while (isalnum(*q) || *q == '_' || *q == '-')
263 sysadm 1.31 {
264     q++;
265     }
266     if (*q != '\0')
267     {
268     log_error("Error menu item action in menu config line %d\n", fin_line);
269     return -1;
270     }
271     }
272    
273 sysadm 1.40 if (q - p > sizeof(p_menu_item->action) - 1)
274 sysadm 1.31 {
275     log_error("Too longer menu action in menu config line %d\n", fin_line);
276     return -1;
277     }
278 sysadm 1.40 strncpy(p_menu_item->action, p, sizeof(p_menu_item->action) - 1);
279     p_menu_item->action[sizeof(p_menu_item->action) - 1] = '\0';
280 sysadm 1.31
281     // Menu item row
282     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
283     if (q == NULL)
284     {
285     log_error("Error menu item row in menu config line %d\n", fin_line);
286     return -1;
287     }
288     p = q;
289     while (isdigit(*q))
290     {
291     q++;
292     }
293     if (*q != '\0')
294     {
295     log_error("Error menu item row in menu config line %d\n", fin_line);
296     return -1;
297     }
298 sysadm 1.40 p_menu_item->row = (int16_t)atoi(p);
299 sysadm 1.31
300     // Menu item col
301     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
302     if (q == NULL)
303     {
304     log_error("Error menu item col in menu config line %d\n", fin_line);
305     return -1;
306     }
307     p = q;
308     while (isdigit(*q))
309     {
310     q++;
311     }
312     if (*q != '\0')
313     {
314     log_error("Error menu item col in menu config line %d\n", fin_line);
315     return -1;
316     }
317 sysadm 1.40 p_menu_item->col = (int16_t)atoi(p);
318 sysadm 1.31
319     // Menu item priv
320     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
321     if (q == NULL)
322     {
323     log_error("Error menu item priv in menu config line %d\n", fin_line);
324     return -1;
325     }
326     p = q;
327     while (isdigit(*q))
328     {
329     q++;
330     }
331     if (*q != '\0')
332     {
333     log_error("Error menu item priv in menu config line %d\n", fin_line);
334     return -1;
335     }
336 sysadm 1.40 p_menu_item->priv = atoi(p);
337 sysadm 1.31
338     // Menu item level
339     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
340     if (q == NULL)
341     {
342     log_error("Error menu item level in menu config line %d\n", fin_line);
343     return -1;
344     }
345     p = q;
346     while (isdigit(*q))
347     {
348     q++;
349     }
350     if (*q != '\0')
351     {
352     log_error("Error menu item level in menu config line %d\n", fin_line);
353     return -1;
354     }
355 sysadm 1.40 p_menu_item->level = atoi(p);
356 sysadm 1.31
357     // Menu item name
358     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
359     if (q == NULL || *q != '\"')
360     {
361     log_error("Error menu item name in menu config line %d\n", fin_line);
362     return -1;
363     }
364     q++;
365     p = q;
366     while (*q != '\0' && *q != '\"')
367     {
368 sysadm 1.48 if (*q == '\\')
369     {
370     r = q;
371     while (*r != '\0')
372     {
373     *r = *(r + 1);
374     r++;
375     }
376     }
377 sysadm 1.31 q++;
378     }
379     if (*q != '\"' || *(q + 1) != '\0')
380     {
381     log_error("Error menu item name in menu config line %d\n", fin_line);
382     return -1;
383     }
384     *q = '\0';
385    
386 sysadm 1.40 if (q - p > sizeof(p_menu_item->name) - 1)
387 sysadm 1.31 {
388     log_error("Too longer menu name in menu config line %d\n", fin_line);
389     return -1;
390     }
391 sysadm 1.40 strncpy(p_menu_item->name, p, sizeof(p_menu_item->name) - 1);
392     p_menu_item->name[sizeof(p_menu_item->name) - 1] = '\0';
393 sysadm 1.31
394     // Menu item text
395     q = strtok_r(NULL, MENU_CONF_DELIM_WITHOUT_SPACE, &saveptr);
396     if (q == NULL || (q = strchr(q, '\"')) == NULL)
397     {
398 sysadm 1.32 log_error("Error menu item text in menu config line %d\n", fin_line);
399 sysadm 1.31 return -1;
400     }
401     q++;
402     p = q;
403     while (*q != '\0' && *q != '\"')
404     {
405 sysadm 1.48 if (*q == '\\')
406     {
407     r = q;
408     while (*r != '\0')
409     {
410     *r = *(r + 1);
411     r++;
412     }
413     }
414 sysadm 1.31 q++;
415     }
416     if (*q != '\"')
417     {
418     log_error("Error menu item text in menu config line %d\n", fin_line);
419     return -1;
420     }
421     *q = '\0';
422    
423 sysadm 1.40 if (q - p > sizeof(p_menu_item->text) - 1)
424 sysadm 1.31 {
425     log_error("Too longer menu item text in menu config line %d\n", fin_line);
426     return -1;
427     }
428 sysadm 1.40 strncpy(p_menu_item->text, p, sizeof(p_menu_item->text) - 1);
429     p_menu_item->text[sizeof(p_menu_item->text) - 1] = '\0';
430 sysadm 1.31
431     // Check syntax
432     q = strtok_r(q + 1, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
433     if (q != NULL)
434     {
435     log_error("Unknown extra content in menu config line %d\n", fin_line);
436     return -1;
437     }
438     }
439     else if (strcmp(p, "title") == 0)
440     {
441     p_menu->title.show = 1;
442    
443     // Menu title row
444     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
445     if (q == NULL)
446     {
447     log_error("Error menu title row in menu config line %d\n", fin_line);
448     return -1;
449     }
450     p = q;
451     while (isdigit(*q))
452     {
453     q++;
454     }
455     if (*q != '\0')
456     {
457     log_error("Error menu title row in menu config line %d\n", fin_line);
458     return -1;
459     }
460 sysadm 1.40 p_menu->title.row = (int16_t)atoi(p);
461 sysadm 1.31
462     // Menu title col
463     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
464     if (q == NULL)
465     {
466     log_error("Error menu title col in menu config line %d\n", fin_line);
467     return -1;
468     }
469     p = q;
470     while (isdigit(*q))
471     {
472     q++;
473     }
474     if (*q != '\0')
475     {
476     log_error("Error menu title col in menu config line %d\n", fin_line);
477     return -1;
478     }
479 sysadm 1.40 p_menu->title.col = (int16_t)atoi(p);
480 sysadm 1.31
481     // Menu title text
482     q = strtok_r(NULL, MENU_CONF_DELIM_WITHOUT_SPACE, &saveptr);
483     if (q == NULL || (q = strchr(q, '\"')) == NULL)
484     {
485     log_error("Error menu title text in menu config line %d\n", fin_line);
486     return -1;
487     }
488     q++;
489     p = q;
490     while (*q != '\0' && *q != '\"')
491     {
492 sysadm 1.48 if (*q == '\\')
493     {
494     r = q;
495     while (*r != '\0')
496     {
497     *r = *(r + 1);
498     r++;
499     }
500     }
501 sysadm 1.31 q++;
502     }
503     if (*q != '\"')
504     {
505     log_error("Error menu title text in menu config line %d\n", fin_line);
506     return -1;
507     }
508     *q = '\0';
509    
510 sysadm 1.48 if (q - p > sizeof(p_menu->title.text) - 1)
511 sysadm 1.31 {
512     log_error("Too longer menu title text in menu config line %d\n", fin_line);
513     return -1;
514     }
515     strncpy(p_menu->title.text, p, sizeof(p_menu->title.text) - 1);
516     p_menu->title.text[sizeof(p_menu->title.text) - 1] = '\0';
517    
518     // Check syntax
519     q = strtok_r(q + 1, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
520     if (q != NULL)
521     {
522     log_error("Unknown extra content in menu config line %d\n", fin_line);
523     return -1;
524     }
525 sysadm 1.21 }
526 sysadm 1.31 else if (strcmp(p, "screen") == 0)
527 sysadm 1.21 {
528 sysadm 1.40 p_menu->screen_show = 1;
529 sysadm 1.31
530     // Menu screen row
531     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
532     if (q == NULL)
533     {
534     log_error("Error menu screen row in menu config line %d\n", fin_line);
535     return -1;
536     }
537     p = q;
538     while (isdigit(*q))
539     {
540     q++;
541     }
542     if (*q != '\0')
543     {
544     log_error("Error menu screen row in menu config line %d\n", fin_line);
545     return -1;
546     }
547 sysadm 1.40 p_menu->screen_row = (int16_t)atoi(p);
548 sysadm 1.31
549     // Menu screen col
550     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
551     if (q == NULL)
552     {
553     log_error("Error menu screen col in menu config line %d\n", fin_line);
554     return -1;
555     }
556     p = q;
557     while (isdigit(*q))
558     {
559     q++;
560     }
561     if (*q != '\0')
562     {
563     log_error("Error menu screen col in menu config line %d\n", fin_line);
564     return -1;
565     }
566 sysadm 1.40 p_menu->screen_col = (int16_t)atoi(p);
567 sysadm 1.31
568     // Menu screen name
569     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
570     if (q == NULL)
571     {
572     log_error("Error menu screen name in menu config line %d\n", fin_line);
573     return -1;
574     }
575     p = q;
576 sysadm 1.48 while (isalnum(*q) || *q == '_' || *q == '-')
577 sysadm 1.31 {
578     q++;
579     }
580     if (*q != '\0')
581     {
582     log_error("Error menu screen name in menu config line %d\n", fin_line);
583     return -1;
584     }
585 sysadm 1.47 strncpy(p_menu->screen_name, p, sizeof(p_menu->screen_name) - 1);
586     p_menu->screen_name[sizeof(p_menu->screen_name) - 1] = '\0';
587 sysadm 1.31
588     // Check syntax
589     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
590     if (q != NULL)
591     {
592     log_error("Unknown extra content in menu config line %d\n", fin_line);
593     return -1;
594     }
595 sysadm 1.21 }
596 sysadm 1.51 else if (strcmp(p, "page") == 0)
597     {
598     // Menu page row
599     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
600     if (q == NULL)
601     {
602     log_error("Error menu page row in menu config line %d\n", fin_line);
603     return -1;
604     }
605     p = q;
606     while (isdigit(*q))
607     {
608     q++;
609     }
610     if (*q != '\0')
611     {
612     log_error("Error menu page row in menu config line %d\n", fin_line);
613     return -1;
614     }
615     p_menu->page_row = (int16_t)atoi(p);
616    
617     // Menu page col
618     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
619     if (q == NULL)
620     {
621     log_error("Error menu page col in menu config line %d\n", fin_line);
622     return -1;
623     }
624     p = q;
625     while (isdigit(*q))
626     {
627     q++;
628     }
629     if (*q != '\0')
630     {
631     log_error("Error menu page col in menu config line %d\n", fin_line);
632     return -1;
633     }
634     p_menu->page_col = (int16_t)atoi(p);
635    
636     // Menu page item limit
637     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
638     if (q == NULL)
639     {
640     log_error("Error menu page item limit in menu config line %d\n", fin_line);
641     return -1;
642     }
643     p = q;
644     while (isdigit(*q))
645     {
646     q++;
647     }
648     if (*q != '\0')
649     {
650     log_error("Error menu page item limit in menu config line %d\n", fin_line);
651     return -1;
652     }
653     p_menu->page_item_limit = (int16_t)atoi(p);
654    
655     // Check syntax
656     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
657     if (q != NULL)
658     {
659     log_error("Unknown extra content in menu config line %d\n", fin_line);
660     return -1;
661     }
662     }
663 sysadm 1.62 else if (strcmp(p, "use_filter") == 0)
664     {
665     p_menu->use_filter = 1;
666    
667     // Check syntax
668     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
669     if (q != NULL)
670     {
671     log_error("Unknown extra content in menu config line %d\n", fin_line);
672     return -1;
673     }
674     }
675 sysadm 1.31 }
676     }
677     else // BEGIN of menu screen
678     {
679 sysadm 1.40 if (p_menu_set->menu_item_count >= MAX_MENUS)
680     {
681     log_error("Menu screen count (%d) exceed limit (%d)\n", p_menu_set->menu_screen_count, MAX_MENUS);
682     return -3;
683     }
684     screen_id = (MENU_SCREEN_ID)p_menu_set->menu_screen_count;
685     p_menu_set->menu_screen_count++;
686    
687     p_screen = get_menu_screen_by_id(p_menu_set, screen_id);
688    
689 sysadm 1.31 q = p;
690 sysadm 1.48 while (isalnum(*q) || *q == '_' || *q == '-')
691 sysadm 1.31 {
692     q++;
693     }
694     if (*q != '\0')
695     {
696     log_error("Error menu screen name in menu config line %d\n", fin_line);
697     return -1;
698     }
699 sysadm 1.40 strncpy(p_screen->name, p, sizeof(p_screen->name) - 1);
700     p_screen->name[sizeof(p_screen->name) - 1] = '\0';
701 sysadm 1.31
702 sysadm 1.40 if (trie_dict_set(p_menu_set->p_menu_screen_dict, p_screen->name, (int64_t)screen_id) != 1)
703     {
704     log_error("Error set menu screen dict [%s]\n", p_screen->name);
705     }
706 sysadm 1.31
707     // Check syntax
708     q = strtok_r(NULL, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
709     if (q != NULL)
710     {
711     log_error("Unknown extra content in menu config line %d\n", fin_line);
712     return -1;
713     }
714    
715 sysadm 1.40 p_screen->buf_offset = p_menu_set->p_menu_screen_buf_free - p_menu_set->p_menu_screen_buf;
716     p_screen->buf_length = -1;
717    
718     // safety appending boundary
719     q = p_menu_set->p_menu_screen_buf + MAX_MENU_SCR_BUF_LENGTH * MAX_MENUS - 1;
720 sysadm 1.31
721     while (fgets(buffer, sizeof(buffer), fin))
722     {
723     fin_line++;
724    
725 sysadm 1.40 strncpy(temp, buffer, sizeof(temp) - 1); // Duplicate line for strtok_r
726     temp[sizeof(temp) - 1] = '\0';
727 sysadm 1.33 p = strtok_r(temp, MENU_CONF_DELIM_WITH_SPACE, &saveptr);
728 sysadm 1.31 if (p != NULL && *p == '%') // END of menu screen
729 sysadm 1.21 {
730 sysadm 1.40 if (p_menu_set->p_menu_screen_buf_free + 1 > q)
731     {
732     log_error("Menu screen buffer depleted (%p + 1 > %p)\n", p_menu_set->p_menu_screen_buf_free, q);
733     return -3;
734     }
735    
736     *(p_menu_set->p_menu_screen_buf_free) = '\0';
737     p_menu_set->p_menu_screen_buf_free++;
738     p_screen->buf_length = p_menu_set->p_menu_screen_buf_free - p_menu_set->p_menu_screen_buf - p_screen->buf_offset;
739 sysadm 1.31 break;
740 sysadm 1.21 }
741 sysadm 1.31
742 sysadm 1.47 // Clear line
743     if (p_menu_set->p_menu_screen_buf_free + strlen(CTRL_SEQ_CLR_LINE) > q)
744     {
745     log_error("Menu screen buffer depleted (%p + %d > %p)\n", p_menu_set->p_menu_screen_buf_free, q, strlen(CTRL_SEQ_CLR_LINE));
746     return -3;
747     }
748     p_menu_set->p_menu_screen_buf_free = stpcpy(p_menu_set->p_menu_screen_buf_free, CTRL_SEQ_CLR_LINE);
749    
750 sysadm 1.40 p = buffer;
751     while (*p != '\0')
752 sysadm 1.21 {
753 sysadm 1.40 if (p_menu_set->p_menu_screen_buf_free + 2 > q)
754     {
755     log_error("Menu screen buffer depleted (%p + 2 > %p)\n", p_menu_set->p_menu_screen_buf_free, q);
756     return -3;
757     }
758    
759     if (*p == '\n' && p > buffer && *(p - 1) != '\r')
760     {
761     *(p_menu_set->p_menu_screen_buf_free) = '\r';
762     p_menu_set->p_menu_screen_buf_free++;
763     }
764    
765     *(p_menu_set->p_menu_screen_buf_free) = *p;
766     p++;
767     p_menu_set->p_menu_screen_buf_free++;
768 sysadm 1.21 }
769     }
770 sysadm 1.31
771 sysadm 1.40 if (p_screen->buf_length == -1)
772     {
773     log_error("End of menu screen [%s] not found\n", p_screen->name);
774     }
775 sysadm 1.21 }
776 sysadm 1.31 }
777     else // Invalid prefix
778     {
779     log_error("Error in menu config line %d\n", fin_line);
780     return -1;
781 sysadm 1.10 }
782 sysadm 1.3 }
783 sysadm 1.21 fclose(fin);
784 sysadm 1.3
785 sysadm 1.47 for (menu_id = 0; menu_id < p_menu_set->menu_count; menu_id++)
786     {
787     p_menu = get_menu_by_id(p_menu_set, menu_id);
788    
789     if (trie_dict_get(p_menu_set->p_menu_screen_dict, p_menu->screen_name, (int64_t *)(&(p_menu->screen_id))) != 1)
790     {
791     log_error("Undefined menu screen [%s]\n", p);
792     return -1;
793     }
794 sysadm 1.62
795     // Set menu->filter_handler of each menu pointing to filter
796     if (p_menu->use_filter == 1)
797     {
798     if ((p_menu->filter_handler = get_cmd_handler(p_menu->name)) == NULL)
799     {
800     log_error("Undefined menu filter handler [%s]\n", p_menu->name);
801     return -1;
802     }
803     }
804 sysadm 1.47 }
805    
806 sysadm 1.40 for (menu_item_id = 0; menu_item_id < p_menu_set->menu_item_count; menu_item_id++)
807     {
808     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
809 sysadm 1.44
810     // Set menu_item->action_cmd_handler of each menu item pointing to bbs_cmd
811     if (p_menu_item->submenu == 0)
812     {
813     if ((p_menu_item->action_cmd_handler = get_cmd_handler(p_menu_item->action)) == NULL)
814     {
815     log_error("Undefined menu action cmd handler [%s]\n", p_menu_item->action);
816     return -1;
817     }
818     }
819     // Set menu_item->action_menu_id of each menu item pointing to a submenu to the menu_id of the corresponding submenu
820     else if (strcmp(p_menu_item->action, "..") != 0)
821 sysadm 1.40 {
822     if (trie_dict_get(p_menu_set->p_menu_name_dict, p_menu_item->action, (int64_t *)&menu_id) != 1)
823     {
824 sysadm 1.48 log_error("Undefined sub menu id [%s]\n", p_menu_item->action);
825 sysadm 1.40 return -1;
826     }
827     p_menu_item->action_menu_id = menu_id;
828     }
829     }
830    
831     // Save status varaibles into reserved memory area
832     *((int16_t *)p_menu_set->p_reserved) = p_menu_set->menu_count;
833     *(((int16_t *)p_menu_set->p_reserved) + 1) = p_menu_set->menu_item_count;
834     *(((int16_t *)p_menu_set->p_reserved) + 2) = p_menu_set->menu_screen_count;
835 sysadm 1.2
836 sysadm 1.21 return 0;
837 sysadm 1.1 }
838    
839 sysadm 1.61 int display_menu_cursor(MENU_SET *p_menu_set, int show)
840 sysadm 1.3 {
841 sysadm 1.40 MENU_ID menu_id;
842     MENU_ITEM_ID menu_item_id;
843     MENU *p_menu;
844     MENU_ITEM *p_menu_item;
845     int16_t menu_item_pos;
846 sysadm 1.39
847 sysadm 1.40 menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
848     p_menu = get_menu_by_id(p_menu_set, menu_id);
849     if (p_menu == NULL)
850     {
851     log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
852     return -1;
853     }
854 sysadm 1.5
855 sysadm 1.40 menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
856     menu_item_id = p_menu->items[menu_item_pos];
857     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
858     if (p_menu_item == NULL)
859 sysadm 1.10 {
860 sysadm 1.40 log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
861     return -1;
862 sysadm 1.10 }
863 sysadm 1.5
864 sysadm 1.41 moveto(p_menu_set->menu_item_r_row[menu_item_pos], p_menu_set->menu_item_r_col[menu_item_pos] - 2);
865 sysadm 1.26 outc(show ? '>' : ' ');
866 sysadm 1.40
867     return 0;
868 sysadm 1.1 }
869    
870 sysadm 1.51 static int display_menu_current_page(MENU_SET *p_menu_set)
871 sysadm 1.1 {
872 sysadm 1.40 int16_t row = 0;
873     int16_t col = 0;
874     MENU_ID menu_id;
875     MENU_ITEM_ID menu_item_id;
876     MENU *p_menu;
877     MENU_ITEM *p_menu_item;
878 sysadm 1.51 int16_t menu_item_pos;
879     int16_t page_id = 0;
880 sysadm 1.40 MENU_SCREEN *p_menu_screen;
881 sysadm 1.3
882 sysadm 1.40 menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
883     p_menu = get_menu_by_id(p_menu_set, menu_id);
884 sysadm 1.21 if (p_menu == NULL)
885 sysadm 1.26 {
886 sysadm 1.40 log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
887 sysadm 1.21 return -1;
888 sysadm 1.26 }
889 sysadm 1.5
890 sysadm 1.51 clrline(p_menu->page_row, p_menu->page_row + p_menu->page_item_limit - 1);
891 sysadm 1.35
892 sysadm 1.21 if (p_menu->title.show)
893 sysadm 1.26 {
894 sysadm 1.48 if (p_menu->title.row == 0 && p_menu->title.col == 0)
895     {
896 sysadm 1.59 show_top(p_menu->title.text, BBS_name, "");
897 sysadm 1.48 }
898     else
899     {
900     moveto(p_menu->title.row, p_menu->title.col);
901     prints("%s", p_menu->title.text);
902     }
903 sysadm 1.26 }
904 sysadm 1.3
905 sysadm 1.40 if (p_menu->screen_show)
906 sysadm 1.10 {
907 sysadm 1.40 p_menu_screen = get_menu_screen_by_id(p_menu_set, p_menu->screen_id);
908     if (p_menu_screen == NULL)
909 sysadm 1.26 {
910 sysadm 1.40 log_error("get_menu_screen_by_id(%d) return NULL pointer\n", p_menu->screen_id);
911     return -1;
912 sysadm 1.26 }
913 sysadm 1.40
914 sysadm 1.48 row = p_menu->screen_row;
915     col = p_menu->screen_col;
916    
917     moveto(row, col);
918 sysadm 1.40 prints("%s", p_menu_set->p_menu_screen_buf + p_menu_screen->buf_offset);
919 sysadm 1.10 }
920 sysadm 1.21
921 sysadm 1.51 menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
922     page_id = p_menu_set->menu_item_page_id[menu_item_pos];
923    
924     while (menu_item_pos >= 0)
925     {
926     if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
927     {
928     menu_item_pos++;
929     break;
930     }
931    
932     if (menu_item_pos == 0)
933     {
934     break;
935     }
936    
937     menu_item_pos--;
938     }
939    
940     for (; menu_item_pos < p_menu->item_count; menu_item_pos++)
941     {
942     if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
943     {
944     break;
945     }
946    
947     menu_item_id = p_menu->items[menu_item_pos];
948     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
949    
950     if (p_menu_set->menu_item_display[menu_item_pos] == 0)
951     {
952     continue;
953     }
954    
955     row = p_menu_set->menu_item_r_row[menu_item_pos];
956     col = p_menu_set->menu_item_r_col[menu_item_pos];
957    
958     moveto(row, col);
959     prints("%s", p_menu_item->text);
960     }
961    
962     return 0;
963     }
964    
965     int display_menu(MENU_SET *p_menu_set)
966     {
967     int16_t row = 0;
968     int16_t col = 0;
969     int menu_selectable = 0;
970     MENU_ID menu_id;
971     MENU_ITEM_ID menu_item_id;
972     MENU *p_menu;
973     MENU_ITEM *p_menu_item;
974     int16_t menu_item_pos;
975     int16_t page_id = 0;
976     int page_item_count = 0;
977    
978     menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
979     p_menu = get_menu_by_id(p_menu_set, menu_id);
980     if (p_menu == NULL)
981     {
982     log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
983 sysadm 1.53 if (p_menu_set->choose_step > 0)
984     {
985     p_menu_set->choose_step--;
986     return REDRAW;
987     }
988 sysadm 1.68 return EXITMENU;
989 sysadm 1.51 }
990    
991 sysadm 1.70 if(p_menu->item_count <= 0) // empty menu
992     {
993     moveto(p_menu->screen_row, p_menu->screen_col);
994     clrtoeol();
995 sysadm 1.71 prints("没有可选项");
996 sysadm 1.70 press_any_key();
997     return -1;
998     }
999    
1000 sysadm 1.51 menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
1001     menu_item_id = p_menu->items[menu_item_pos];
1002     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1003     if (p_menu_item == NULL)
1004     {
1005     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1006 sysadm 1.68 return EXITMENU;
1007 sysadm 1.51 }
1008    
1009     if (menu_item_pos > 0 &&
1010 sysadm 1.62 !(p_menu->use_filter ? (p_menu->filter_handler((void *)p_menu_item) == 0)
1011     : (checkpriv(&BBS_priv, 0, p_menu_item->priv) == 0 ||
1012     checklevel2(&BBS_priv, p_menu_item->level) == 0)))
1013 sysadm 1.51 {
1014     menu_selectable = 1;
1015     }
1016    
1017 sysadm 1.41 for (menu_item_pos = 0; menu_item_pos < p_menu->item_count; menu_item_pos++)
1018 sysadm 1.26 {
1019 sysadm 1.41 menu_item_id = p_menu->items[menu_item_pos];
1020 sysadm 1.40 p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1021    
1022     if (p_menu_item->row != 0)
1023 sysadm 1.26 {
1024 sysadm 1.40 row = p_menu_item->row;
1025 sysadm 1.26 }
1026 sysadm 1.40 if (p_menu_item->col != 0)
1027 sysadm 1.26 {
1028 sysadm 1.40 col = p_menu_item->col;
1029 sysadm 1.26 }
1030 sysadm 1.21
1031 sysadm 1.51 p_menu_set->menu_item_page_id[menu_item_pos] = page_id;
1032    
1033 sysadm 1.62 if (p_menu->use_filter ? (p_menu->filter_handler((void *)p_menu_item) == 0)
1034     : (checkpriv(&BBS_priv, 0, p_menu_item->priv) == 0 ||
1035     checklevel2(&BBS_priv, p_menu_item->level) == 0))
1036 sysadm 1.21 {
1037 sysadm 1.41 p_menu_set->menu_item_display[menu_item_pos] = 0;
1038     p_menu_set->menu_item_r_row[menu_item_pos] = 0;
1039     p_menu_set->menu_item_r_col[menu_item_pos] = 0;
1040 sysadm 1.21 }
1041     else
1042     {
1043 sysadm 1.41 p_menu_set->menu_item_display[menu_item_pos] = 1;
1044 sysadm 1.10
1045 sysadm 1.26 if (!menu_selectable)
1046     {
1047 sysadm 1.41 p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1048 sysadm 1.26 menu_selectable = 1;
1049     }
1050 sysadm 1.3
1051 sysadm 1.41 p_menu_set->menu_item_r_row[menu_item_pos] = row;
1052     p_menu_set->menu_item_r_col[menu_item_pos] = col;
1053 sysadm 1.26
1054 sysadm 1.51 row++;
1055 sysadm 1.26
1056 sysadm 1.51 page_item_count++;
1057     if (p_menu->page_item_limit > 0 && page_item_count >= p_menu->page_item_limit)
1058     {
1059     page_id++;
1060     page_item_count = 0;
1061     row = p_menu->page_row;
1062     col = p_menu->page_col;
1063     }
1064 sysadm 1.21 }
1065 sysadm 1.10 }
1066    
1067 sysadm 1.21 if (!menu_selectable)
1068 sysadm 1.26 {
1069 sysadm 1.63 moveto(p_menu->screen_row, p_menu->screen_col);
1070 sysadm 1.66 clrtoeol();
1071 sysadm 1.71 prints("没有可选项");
1072 sysadm 1.63 press_any_key();
1073 sysadm 1.21 return -1;
1074 sysadm 1.26 }
1075 sysadm 1.3
1076 sysadm 1.53 if (display_menu_current_page(p_menu_set) != 0)
1077     {
1078     return -1;
1079     }
1080 sysadm 1.51
1081 sysadm 1.40 display_menu_cursor(p_menu_set, 1);
1082 sysadm 1.1
1083 sysadm 1.21 return 0;
1084 sysadm 1.1 }
1085    
1086 sysadm 1.40 int menu_control(MENU_SET *p_menu_set, int key)
1087 sysadm 1.12 {
1088 sysadm 1.40 MENU_ID menu_id;
1089     MENU_ITEM_ID menu_item_id;
1090 sysadm 1.21 MENU *p_menu;
1091 sysadm 1.40 MENU_ITEM *p_menu_item;
1092     int16_t menu_item_pos;
1093 sysadm 1.51 int16_t page_id;
1094     int require_page_change = 0;
1095 sysadm 1.12
1096 sysadm 1.40 if (p_menu_set->menu_count == 0)
1097     {
1098 sysadm 1.53 log_error("Empty menu set\n");
1099     return EXITBBS;
1100 sysadm 1.40 }
1101 sysadm 1.12
1102 sysadm 1.40 menu_id = p_menu_set->menu_id_path[p_menu_set->choose_step];
1103     p_menu = get_menu_by_id(p_menu_set, menu_id);
1104     if (p_menu == NULL)
1105     {
1106     log_error("get_menu_by_id(%d) return NULL pointer\n", menu_id);
1107 sysadm 1.53 if (p_menu_set->choose_step > 0)
1108     {
1109     p_menu_set->choose_step--;
1110     return REDRAW;
1111     }
1112     return EXITBBS;
1113 sysadm 1.40 }
1114 sysadm 1.12
1115 sysadm 1.40 if (p_menu->item_count == 0)
1116 sysadm 1.26 {
1117 sysadm 1.68 #ifdef _DEBUG
1118 sysadm 1.53 log_error("Empty menu (%s)\n", p_menu->name);
1119 sysadm 1.68 #endif
1120 sysadm 1.53 if (p_menu_set->choose_step > 0)
1121     {
1122     p_menu_set->choose_step--;
1123     return REDRAW;
1124     }
1125     return EXITBBS;
1126 sysadm 1.26 }
1127 sysadm 1.3
1128 sysadm 1.40 menu_item_pos = p_menu_set->menu_item_pos[p_menu_set->choose_step];
1129 sysadm 1.51 page_id = p_menu_set->menu_item_page_id[menu_item_pos];
1130    
1131 sysadm 1.40 menu_item_id = p_menu->items[menu_item_pos];
1132     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1133     if (p_menu_item == NULL)
1134     {
1135     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1136 sysadm 1.53 p_menu_set->menu_item_pos[p_menu_set->choose_step] = 0;
1137     return REDRAW;
1138 sysadm 1.40 }
1139 sysadm 1.3
1140 sysadm 1.21 switch (key)
1141 sysadm 1.10 {
1142 sysadm 1.21 case CR:
1143 sysadm 1.40 igetch_reset();
1144 sysadm 1.21 case KEY_RIGHT:
1145 sysadm 1.40 if (p_menu_item->submenu)
1146 sysadm 1.21 {
1147 sysadm 1.40 if (strcmp(p_menu_item->action, "..") == 0)
1148 sysadm 1.26 {
1149 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
1150 sysadm 1.26 }
1151 sysadm 1.40 p_menu_set->choose_step++;
1152     p_menu_set->menu_id_path[p_menu_set->choose_step] = p_menu_item->action_menu_id;
1153     p_menu_set->menu_item_pos[p_menu_set->choose_step] = 0;
1154 sysadm 1.26
1155 sysadm 1.40 if (display_menu(p_menu_set) != 0)
1156 sysadm 1.26 {
1157 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
1158 sysadm 1.26 }
1159 sysadm 1.21 }
1160     else
1161     {
1162 sysadm 1.44 return ((*(p_menu_item->action_cmd_handler))((void *)(p_menu_item->name)));
1163 sysadm 1.21 }
1164 sysadm 1.38 break;
1165 sysadm 1.60 case KEY_ESC:
1166 sysadm 1.21 case KEY_LEFT:
1167 sysadm 1.40 if (p_menu_set->choose_step > 0)
1168 sysadm 1.21 {
1169 sysadm 1.40 p_menu_set->choose_step--;
1170 sysadm 1.52 if (p_menu_set->choose_step == 0)
1171     {
1172     return REDRAW;
1173     }
1174 sysadm 1.40 if (display_menu(p_menu_set) != 0)
1175 sysadm 1.26 {
1176 sysadm 1.21 return menu_control(p_menu_set, KEY_LEFT);
1177 sysadm 1.26 }
1178 sysadm 1.21 }
1179     else
1180     {
1181 sysadm 1.68 if (p_menu_set->allow_exit)
1182     {
1183     return EXITMENU;
1184     }
1185    
1186 sysadm 1.40 display_menu_cursor(p_menu_set, 0);
1187     menu_item_pos = p_menu->item_count - 1;
1188     while (menu_item_pos >= 0)
1189 sysadm 1.26 {
1190 sysadm 1.40 menu_item_id = p_menu->items[menu_item_pos];
1191     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1192     if (p_menu_item == NULL)
1193     {
1194     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1195     return -1;
1196     }
1197    
1198 sysadm 1.41 if (!p_menu_set->menu_item_display[menu_item_pos] || p_menu_item->priv != 0 || p_menu_item->level != 0)
1199 sysadm 1.40 {
1200     menu_item_pos--;
1201     }
1202     else
1203     {
1204     break;
1205     }
1206 sysadm 1.26 }
1207 sysadm 1.40 p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1208     display_menu_cursor(p_menu_set, 1);
1209 sysadm 1.21 }
1210 sysadm 1.38 break;
1211 sysadm 1.51 case KEY_PGUP:
1212     require_page_change = 1;
1213 sysadm 1.21 case KEY_UP:
1214 sysadm 1.40 display_menu_cursor(p_menu_set, 0);
1215 sysadm 1.21 do
1216     {
1217 sysadm 1.40 menu_item_pos--;
1218     if (menu_item_pos < 0)
1219     {
1220     menu_item_pos = p_menu->item_count - 1;
1221 sysadm 1.51 require_page_change = 0;
1222 sysadm 1.40 }
1223     menu_item_id = p_menu->items[menu_item_pos];
1224     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1225     if (p_menu_item == NULL)
1226 sysadm 1.26 {
1227 sysadm 1.40 log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1228     return -1;
1229 sysadm 1.26 }
1230 sysadm 1.51 if (require_page_change && p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1231     {
1232     require_page_change = 0;
1233     }
1234     } while (require_page_change || !p_menu_set->menu_item_display[menu_item_pos]);
1235 sysadm 1.40 p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1236 sysadm 1.51 if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1237     {
1238     display_menu_current_page(p_menu_set);
1239     }
1240 sysadm 1.40 display_menu_cursor(p_menu_set, 1);
1241 sysadm 1.21 break;
1242 sysadm 1.51 case KEY_PGDN:
1243     require_page_change = 1;
1244 sysadm 1.21 case KEY_DOWN:
1245 sysadm 1.40 display_menu_cursor(p_menu_set, 0);
1246 sysadm 1.21 do
1247     {
1248 sysadm 1.40 menu_item_pos++;
1249     if (menu_item_pos >= p_menu->item_count)
1250     {
1251     menu_item_pos = 0;
1252 sysadm 1.51 require_page_change = 0;
1253 sysadm 1.40 }
1254     menu_item_id = p_menu->items[menu_item_pos];
1255     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1256     if (p_menu_item == NULL)
1257 sysadm 1.26 {
1258 sysadm 1.40 log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1259     return -1;
1260 sysadm 1.26 }
1261 sysadm 1.51 if (require_page_change && p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1262     {
1263     require_page_change = 0;
1264     }
1265     } while (require_page_change || !p_menu_set->menu_item_display[menu_item_pos]);
1266 sysadm 1.40 p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1267 sysadm 1.51 if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1268     {
1269     display_menu_current_page(p_menu_set);
1270     }
1271 sysadm 1.40 display_menu_cursor(p_menu_set, 1);
1272 sysadm 1.21 break;
1273 sysadm 1.43 case KEY_HOME:
1274 sysadm 1.42 display_menu_cursor(p_menu_set, 0);
1275     menu_item_pos = 0;
1276     while (menu_item_pos < p_menu->item_count - 1)
1277     {
1278     menu_item_id = p_menu->items[menu_item_pos];
1279     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1280     if (p_menu_item == NULL)
1281     {
1282     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1283     return -1;
1284     }
1285    
1286     if (p_menu_set->menu_item_display[menu_item_pos])
1287     {
1288     break;
1289     }
1290    
1291     menu_item_pos++;
1292     }
1293     p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1294 sysadm 1.51 if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1295     {
1296     display_menu_current_page(p_menu_set);
1297     }
1298 sysadm 1.42 display_menu_cursor(p_menu_set, 1);
1299     break;
1300 sysadm 1.43 case KEY_END:
1301 sysadm 1.42 display_menu_cursor(p_menu_set, 0);
1302     menu_item_pos = p_menu->item_count - 1;
1303     while (menu_item_pos > 0)
1304     {
1305     menu_item_id = p_menu->items[menu_item_pos];
1306     p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1307     if (p_menu_item == NULL)
1308     {
1309     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1310     return -1;
1311     }
1312    
1313     if (p_menu_set->menu_item_display[menu_item_pos])
1314     {
1315     break;
1316     }
1317    
1318     menu_item_pos--;
1319     }
1320     p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1321 sysadm 1.51 if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1322     {
1323     display_menu_current_page(p_menu_set);
1324     }
1325 sysadm 1.42 display_menu_cursor(p_menu_set, 1);
1326     break;
1327 sysadm 1.21 default:
1328 sysadm 1.31 if (isalnum(key))
1329 sysadm 1.21 {
1330 sysadm 1.41 for (menu_item_pos = 0; menu_item_pos < p_menu->item_count; menu_item_pos++)
1331 sysadm 1.21 {
1332 sysadm 1.41 menu_item_id = p_menu->items[menu_item_pos];
1333 sysadm 1.40 p_menu_item = get_menu_item_by_id(p_menu_set, menu_item_id);
1334     if (p_menu_item == NULL)
1335     {
1336     log_error("get_menu_item_by_id(%d) return NULL pointer\n", menu_item_id);
1337     return -1;
1338     }
1339    
1340 sysadm 1.41 if (toupper(key) == toupper(p_menu_item->name[0]) && p_menu_set->menu_item_display[menu_item_pos])
1341 sysadm 1.21 {
1342 sysadm 1.40 display_menu_cursor(p_menu_set, 0);
1343 sysadm 1.41 p_menu_set->menu_item_pos[p_menu_set->choose_step] = menu_item_pos;
1344 sysadm 1.51 if (p_menu_set->menu_item_page_id[menu_item_pos] != page_id)
1345     {
1346     display_menu_current_page(p_menu_set);
1347     }
1348 sysadm 1.40 display_menu_cursor(p_menu_set, 1);
1349 sysadm 1.51 break;
1350 sysadm 1.21 }
1351     }
1352 sysadm 1.16 }
1353 sysadm 1.38 break;
1354 sysadm 1.3 }
1355 sysadm 1.1
1356 sysadm 1.48 return NOREDRAW;
1357 sysadm 1.1 }
1358 sysadm 1.15
1359 sysadm 1.40 int unload_menu(MENU_SET *p_menu_set)
1360 sysadm 1.15 {
1361 sysadm 1.57 int shmid;
1362    
1363 sysadm 1.60 if (p_menu_set == NULL)
1364     {
1365     return -1;
1366     }
1367    
1368 sysadm 1.39 if (p_menu_set->p_menu_name_dict != NULL)
1369     {
1370     trie_dict_destroy(p_menu_set->p_menu_name_dict);
1371 sysadm 1.46 p_menu_set->p_menu_name_dict = NULL;
1372 sysadm 1.39 }
1373    
1374 sysadm 1.40 if (p_menu_set->p_menu_screen_dict != NULL)
1375     {
1376     trie_dict_destroy(p_menu_set->p_menu_screen_dict);
1377 sysadm 1.46 p_menu_set->p_menu_screen_dict = NULL;
1378 sysadm 1.40 }
1379    
1380 sysadm 1.57 shmid = p_menu_set->shmid;
1381    
1382 sysadm 1.56 detach_menu_shm(p_menu_set);
1383 sysadm 1.40
1384 sysadm 1.57 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1385 sysadm 1.40 {
1386 sysadm 1.57 log_error("shmctl(shmid=%d, IPC_RMID) error (%d)\n", shmid, errno);
1387 sysadm 1.40 return -1;
1388     }
1389    
1390     return 0;
1391     }
1392    
1393 sysadm 1.68 int get_menu_shm_readonly(MENU_SET *p_menu_set)
1394     {
1395     void *p_shm;
1396    
1397     p_shm = shmat(p_menu_set->shmid, NULL, SHM_RDONLY);
1398     if (p_shm == (void *)-1)
1399     {
1400     log_error("shmat(menu_shm shmid = %d) error (%d)\n", p_menu_set->shmid, errno);
1401     return -1;
1402     }
1403    
1404     p_menu_set->p_reserved = p_shm;
1405     p_menu_set->p_menu_pool = p_menu_set->p_reserved + MENU_SET_RESERVED_LENGTH;
1406     p_menu_set->p_menu_item_pool = p_menu_set->p_menu_pool + sizeof(MENU) * MAX_MENUS;
1407     p_menu_set->p_menu_screen_pool = p_menu_set->p_menu_item_pool + sizeof(MENU_ITEM) * MAX_MENUITEMS;
1408     p_menu_set->p_menu_screen_buf = p_menu_set->p_menu_screen_pool + sizeof(MENU_SCREEN) * MAX_MENUS;
1409     p_menu_set->p_menu_screen_buf_free = p_menu_set->p_menu_screen_buf;
1410    
1411 sysadm 1.69 p_menu_set->choose_step = 0;
1412     p_menu_set->menu_id_path[0] = 0;
1413     p_menu_set->menu_item_pos[0] = 0;
1414    
1415 sysadm 1.68 return 0;
1416     }
1417    
1418 sysadm 1.56 int set_menu_shm_readonly(MENU_SET *p_menu_set)
1419 sysadm 1.40 {
1420 sysadm 1.54 void *p_shm;
1421    
1422 sysadm 1.55 // Remap shared memory in read-only mode
1423     p_shm = shmat(p_menu_set->shmid, p_menu_set->p_reserved, SHM_RDONLY | SHM_REMAP);
1424 sysadm 1.54 if (p_shm == (void *)-1)
1425 sysadm 1.41 {
1426 sysadm 1.57 log_error("shmat(menu_shm shmid = %d) error (%d)\n", p_menu_set->shmid, errno);
1427 sysadm 1.54 return -1;
1428     }
1429 sysadm 1.62
1430 sysadm 1.54 p_menu_set->p_reserved = p_shm;
1431 sysadm 1.41
1432 sysadm 1.40 return 0;
1433 sysadm 1.15 }
1434 sysadm 1.18
1435 sysadm 1.56 int detach_menu_shm(MENU_SET *p_menu_set)
1436 sysadm 1.18 {
1437 sysadm 1.40 p_menu_set->menu_count = 0;
1438     p_menu_set->menu_item_count = 0;
1439     p_menu_set->menu_screen_count = 0;
1440     p_menu_set->choose_step = 0;
1441    
1442     p_menu_set->p_menu_pool = NULL;
1443     p_menu_set->p_menu_item_pool = NULL;
1444     p_menu_set->p_menu_screen_pool = NULL;
1445     p_menu_set->p_menu_screen_buf = NULL;
1446     p_menu_set->p_menu_screen_buf_free = NULL;
1447 sysadm 1.21
1448 sysadm 1.56 p_menu_set->p_menu_name_dict = NULL;
1449     p_menu_set->p_menu_screen_dict = NULL;
1450    
1451 sysadm 1.41 if (p_menu_set->p_reserved != NULL && shmdt(p_menu_set->p_reserved) == -1)
1452 sysadm 1.40 {
1453     log_error("shmdt() error (%d)\n", errno);
1454     return -1;
1455     }
1456 sysadm 1.56
1457 sysadm 1.40 p_menu_set->p_reserved = NULL;
1458 sysadm 1.18
1459 sysadm 1.40 return 0;
1460 sysadm 1.18 }
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