/[LeafOK_CVS]/lbbs/src/section_list_display.c
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Annotation of /lbbs/src/section_list_display.c

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Revision 1.42 - (hide annotations)
Tue Sep 30 14:56:51 2025 UTC (5 months, 2 weeks ago) by sysadm
Branch: MAIN
Changes since 1.41: +21 -1 lines
Content type: text/x-csrc 
Rewrite title with "Re: Re: " prefix into "Re: ... "
1 sysadm 1.1 /***************************************************************************
2     section_list_display.c - 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 sysadm 1.9 #include "article_cache.h"
18 sysadm 1.41 #include "article_op.h"
19 sysadm 1.20 #include "article_post.h"
20 sysadm 1.34 #include "article_view_log.h"
21 sysadm 1.26 #include "article_del.h"
22 sysadm 1.1 #include "common.h"
23     #include "io.h"
24 sysadm 1.34 #include "log.h"
25     #include "login.h"
26 sysadm 1.37 #include "menu.h"
27 sysadm 1.34 #include "section_list_display.h"
28     #include "section_list_loader.h"
29 sysadm 1.1 #include "screen.h"
30 sysadm 1.34 #include "str_process.h"
31 sysadm 1.18 #include "user_priv.h"
32 sysadm 1.29 #include <string.h>
33 sysadm 1.1 #include <time.h>
34 sysadm 1.6 #include <sys/param.h>
35 sysadm 1.1
36 sysadm 1.11 static int section_topic_view_mode = 0;
37 sysadm 1.13 static int section_topic_view_tid = -1;
38 sysadm 1.11
39 sysadm 1.1 enum select_cmd_t
40     {
41     EXIT_SECTION = 0,
42 sysadm 1.41 VIEW_ARTICLE,
43     CHANGE_PAGE,
44     SHOW_HELP,
45     CHANGE_NAME_DISPLAY,
46     POST_ARTICLE,
47     EDIT_ARTICLE,
48     DELETE_ARTICLE,
49     QUERY_ARTICLE,
50     FIRST_TOPIC_ARTICLE,
51     LAST_TOPIC_ARTICLE,
52     VIEW_EX_DIR,
53 sysadm 1.1 };
54    
55 sysadm 1.36 static int section_list_draw_items(int page_id, ARTICLE *p_articles[], int article_count, int display_nickname, int ontop_start_offset)
56 sysadm 1.1 {
57     char str_time[LINE_BUFFER_LEN];
58     struct tm tm_sub;
59     char title_f[BBS_article_title_max_len + 1];
60     int title_f_len;
61     int eol;
62     int len;
63     int i;
64 sysadm 1.42 size_t j;
65 sysadm 1.3 char article_flag;
66 sysadm 1.17 int is_viewed;
67 sysadm 1.3 time_t tm_now;
68    
69     time(&tm_now);
70 sysadm 1.1
71     clrline(4, 23);
72    
73     for (i = 0; i < article_count; i++)
74     {
75 sysadm 1.18 if (p_articles[i]->uid == BBS_priv.uid)
76 sysadm 1.17 {
77 sysadm 1.18 is_viewed = 1;
78     }
79     else
80     {
81     is_viewed = article_view_log_is_viewed(p_articles[i]->aid, &BBS_article_view_log);
82     if (is_viewed < 0)
83     {
84     log_error("article_view_log_is_viewed(aid=%d) error\n", p_articles[i]->aid);
85     is_viewed = 0;
86     }
87 sysadm 1.17 }
88    
89 sysadm 1.3 if (p_articles[i]->excerption)
90     {
91 sysadm 1.17 article_flag = (is_viewed ? 'm' : 'M');
92 sysadm 1.3 }
93 sysadm 1.17 else if (p_articles[i]->lock && is_viewed)
94 sysadm 1.3 {
95     article_flag = 'x';
96     }
97 sysadm 1.35 else
98     {
99     article_flag = (is_viewed ? ' ' : 'N');
100     }
101 sysadm 1.3
102 sysadm 1.1 localtime_r(&p_articles[i]->sub_dt, &tm_sub);
103 sysadm 1.3 if (tm_now - p_articles[i]->sub_dt < 3600 * 24 * 365)
104     {
105     strftime(str_time, sizeof(str_time), "%b %e ", &tm_sub);
106     }
107     else
108     {
109     strftime(str_time, sizeof(str_time), "%m/%Y", &tm_sub);
110     }
111    
112 sysadm 1.40 strncpy(title_f, (p_articles[i]->tid == 0 ? "● " : ""), sizeof(title_f) - 1);
113 sysadm 1.1 title_f[sizeof(title_f) - 1] = '\0';
114 sysadm 1.40 strncat(title_f, (p_articles[i]->transship ? "[转载]" : ""), sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
115 sysadm 1.42
116     // Rewrite title with "Re: Re: " prefix into "Re: ... "
117     j = 0;
118     if (p_articles[i]->tid != 0)
119     {
120     while (strncmp(p_articles[i]->title + j, "Re: ", strlen("Re: ")) == 0)
121     {
122     j += strlen("Re: ");
123     }
124     if (j >= strlen("Re: Re: "))
125     {
126     strncat(title_f, "Re: ... ", sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
127     }
128     else
129     {
130     j = 0;
131     }
132     }
133     strncat(title_f, p_articles[i]->title + j, sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
134    
135 sysadm 1.27 len = split_line(title_f, 47 - (display_nickname ? 8 : 0), &eol, &title_f_len, 1);
136 sysadm 1.1 if (title_f[len] != '\0')
137     {
138     title_f[len] = '\0';
139     }
140    
141     moveto(4 + i, 1);
142 sysadm 1.36 if (i >= ontop_start_offset)
143     {
144 sysadm 1.40 prints(" \033[1;33m[提示]\033[m %c %s%*s %s %s%s\033[m",
145 sysadm 1.36 article_flag,
146     (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
147     (display_nickname ? BBS_nickname_max_len - (int)strnlen(p_articles[i]->nickname, sizeof(p_articles[i]->nickname))
148     : BBS_username_max_len - (int)strnlen(p_articles[i]->username, sizeof(p_articles[i]->username))),
149     "",
150     str_time,
151     (p_articles[i]->aid == section_topic_view_tid
152     ? "\033[1;33m"
153     : (p_articles[i]->tid == section_topic_view_tid
154     ? "\033[1;36m"
155     : "")),
156     title_f);
157     }
158     else
159     {
160     prints(" %s%7d\033[m %c %s%*s %s %s%s\033[m",
161     (p_articles[i]->aid == section_topic_view_tid
162     ? "\033[1;33m"
163     : (p_articles[i]->tid == section_topic_view_tid
164     ? "\033[1;36m"
165     : "")),
166     p_articles[i]->aid,
167     article_flag,
168     (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
169     (display_nickname ? BBS_nickname_max_len - (int)strnlen(p_articles[i]->nickname, sizeof(p_articles[i]->nickname))
170     : BBS_username_max_len - (int)strnlen(p_articles[i]->username, sizeof(p_articles[i]->username))),
171     "",
172     str_time,
173     (p_articles[i]->aid == section_topic_view_tid
174     ? "\033[1;33m"
175     : (p_articles[i]->tid == section_topic_view_tid
176     ? "\033[1;36m"
177     : "")),
178     title_f);
179     }
180 sysadm 1.1 }
181    
182     return 0;
183     }
184    
185 sysadm 1.5 static int section_list_draw_screen(const char *sname, const char *stitle, const char *master_list, int display_nickname)
186 sysadm 1.1 {
187 sysadm 1.40 char str_section_master[LINE_BUFFER_LEN] = "诚征版主中";
188 sysadm 1.1 char str_section_name[LINE_BUFFER_LEN];
189    
190 sysadm 1.5 if (master_list[0] != '\0')
191 sysadm 1.1 {
192 sysadm 1.40 snprintf(str_section_master, sizeof(str_section_master), "版主：%s", master_list);
193 sysadm 1.1 }
194 sysadm 1.40 snprintf(str_section_name, sizeof(str_section_name), "讨论区 [%s]", sname);
195 sysadm 1.1
196     clearscr();
197 sysadm 1.5 show_top(str_section_master, stitle, str_section_name);
198 sysadm 1.1 moveto(2, 0);
199 sysadm 1.40 prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
200     "阅读[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 发表[\033[1;32mCtrl-P\033[0;37m] "
201     "%s[\033[1;32mn\033[0;37m] 精华区[\033[1;32mx\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m",
202     (display_nickname ? "用户名" : "昵称"));
203 sysadm 1.1 moveto(3, 0);
204 sysadm 1.4 if (display_nickname)
205     {
206 sysadm 1.40 prints("\033[44;37m \033[1;37m 编 号 发布者昵称 日 期 文章标题 \033[m");
207 sysadm 1.4 }
208     else
209     {
210 sysadm 1.40 prints("\033[44;37m \033[1;37m 编 号 发 布 者 日 期 文章标题 \033[m");
211 sysadm 1.4 }
212 sysadm 1.1
213     return 0;
214     }
215    
216     static enum select_cmd_t section_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
217     {
218     int old_page_id = *p_page_id;
219     int old_selected_index = *p_selected_index;
220     int ch;
221 sysadm 1.30 time_t last_refresh_tm = time(NULL);
222 sysadm 1.1
223     if (item_count > 0 && *p_selected_index >= 0)
224     {
225     moveto(4 + *p_selected_index, 1);
226     outc('>');
227     iflush();
228     }
229    
230     while (!SYS_server_exit)
231     {
232     ch = igetch(100);
233    
234     switch (ch)
235     {
236     case KEY_ESC:
237     case KEY_LEFT:
238 sysadm 1.30 BBS_last_access_tm = time(NULL);
239     case KEY_NULL: // broken pipe
240 sysadm 1.1 return EXIT_SECTION; // exit section
241     case KEY_TIMEOUT:
242 sysadm 1.30 if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
243 sysadm 1.1 {
244     return EXIT_SECTION; // exit section
245     }
246     continue;
247 sysadm 1.4 case 'n':
248 sysadm 1.30 BBS_last_access_tm = time(NULL);
249 sysadm 1.4 return CHANGE_NAME_DISPLAY;
250 sysadm 1.1 case CR:
251     igetch_reset();
252 sysadm 1.28 case 'r':
253 sysadm 1.1 case KEY_RIGHT:
254     if (item_count > 0)
255     {
256 sysadm 1.30 BBS_last_access_tm = time(NULL);
257 sysadm 1.1 return VIEW_ARTICLE;
258     }
259     break;
260 sysadm 1.20 case Ctrl('P'):
261     return POST_ARTICLE;
262     case 'E':
263 sysadm 1.41 if (item_count > 0)
264     {
265     return EDIT_ARTICLE;
266     }
267     break;
268 sysadm 1.26 case 'd':
269 sysadm 1.41 if (item_count > 0)
270     {
271     return DELETE_ARTICLE;
272     }
273     break;
274     case Ctrl('Q'):
275     if (item_count > 0)
276     {
277     return QUERY_ARTICLE;
278     }
279     break;
280 sysadm 1.1 case KEY_HOME:
281     *p_page_id = 0;
282 sysadm 1.28 case 'P':
283 sysadm 1.1 case KEY_PGUP:
284     *p_selected_index = 0;
285 sysadm 1.28 case 'k':
286 sysadm 1.1 case KEY_UP:
287     if (*p_selected_index <= 0)
288     {
289     if (*p_page_id > 0)
290     {
291     (*p_page_id)--;
292     *p_selected_index = BBS_article_limit_per_page - 1;
293     }
294     }
295     else
296     {
297     (*p_selected_index)--;
298     }
299     break;
300 sysadm 1.28 case '$':
301 sysadm 1.1 case KEY_END:
302     if (total_page > 0)
303     {
304     *p_page_id = total_page - 1;
305     }
306 sysadm 1.28 case 'N':
307 sysadm 1.1 case KEY_PGDN:
308     if (item_count > 0)
309     {
310     *p_selected_index = item_count - 1;
311     }
312 sysadm 1.28 case 'j':
313 sysadm 1.1 case KEY_DOWN:
314     if (*p_selected_index + 1 >= item_count) // next page
315     {
316     if (*p_page_id + 1 < total_page)
317     {
318     (*p_page_id)++;
319     *p_selected_index = 0;
320     }
321 sysadm 1.25 else // end of last page
322     {
323     return CHANGE_PAGE; // force refresh pages
324     }
325 sysadm 1.1 }
326     else
327     {
328     (*p_selected_index)++;
329     }
330     break;
331 sysadm 1.31 case '=':
332 sysadm 1.41 if (item_count > 0)
333     {
334     return FIRST_TOPIC_ARTICLE;
335     }
336     break;
337 sysadm 1.31 case '\\':
338 sysadm 1.41 if (item_count > 0)
339     {
340     return LAST_TOPIC_ARTICLE;
341     }
342     break;
343 sysadm 1.28 case 'h':
344     return SHOW_HELP;
345 sysadm 1.37 case 'x':
346     return VIEW_EX_DIR;
347 sysadm 1.1 default:
348     }
349    
350     if (old_page_id != *p_page_id)
351     {
352     return CHANGE_PAGE;
353     }
354    
355     if (item_count > 0 && old_selected_index != *p_selected_index)
356     {
357     if (old_selected_index >= 0)
358     {
359     moveto(4 + old_selected_index, 1);
360     outc(' ');
361     }
362     if (*p_selected_index >= 0)
363     {
364     moveto(4 + *p_selected_index, 1);
365     outc('>');
366     }
367     iflush();
368    
369     old_selected_index = *p_selected_index;
370     }
371    
372 sysadm 1.30 BBS_last_access_tm = time(NULL);
373     if (BBS_last_access_tm - last_refresh_tm >= BBS_section_list_load_interval)
374     {
375     return CHANGE_PAGE; // force section list refresh
376     }
377 sysadm 1.1 }
378    
379     return EXIT_SECTION;
380     }
381    
382 sysadm 1.11 static int display_article_key_handler(int *p_key, DISPLAY_CTX *p_ctx)
383 sysadm 1.10 {
384 sysadm 1.11 switch (*p_key)
385 sysadm 1.10 {
386 sysadm 1.11 case 'p':
387 sysadm 1.28 case Ctrl('X'):
388 sysadm 1.11 section_topic_view_mode = !section_topic_view_mode;
389 sysadm 1.10 case 0: // Set msg
390 sysadm 1.11 if (section_topic_view_mode)
391 sysadm 1.10 {
392 sysadm 1.11 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
393 sysadm 1.40 "| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] "
394     "同主题阅读[\033[32m↑\033[33m/\033[32m↓\033[33m] "
395     "切换[\033[32mp\033[33m] 回复[\033[32mr\033[33m] 帮助[\033[32mh\033[33m] |");
396 sysadm 1.10 }
397     else
398     {
399 sysadm 1.11 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
400 sysadm 1.40 "| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] "
401     "移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] "
402     "切换[\033[32mp\033[33m] 回复[\033[32mr\033[33m] 帮助[\033[32mh\033[33m] |");
403 sysadm 1.10 }
404 sysadm 1.11 *p_key = 0;
405 sysadm 1.10 break;
406 sysadm 1.20 case 'r': // Reply article
407     return 1;
408 sysadm 1.31 case '=': // First topic article
409     return 1;
410     case '\\': // Last topic article
411     return 1;
412 sysadm 1.12 case KEY_UP:
413 sysadm 1.16 case KEY_PGUP:
414     case KEY_HOME:
415 sysadm 1.12 if (p_ctx->reach_begin)
416     {
417     if (section_topic_view_mode)
418     {
419     *p_key = KEY_PGUP;
420     }
421 sysadm 1.16 else
422     {
423     *p_key = KEY_UP;
424     }
425 sysadm 1.12 return 1;
426     }
427     break;
428 sysadm 1.28 case 'k':
429     if (section_topic_view_mode)
430     {
431     *p_key = KEY_PGUP;
432     }
433     else
434     {
435     *p_key = KEY_UP;
436     }
437     return 1;
438 sysadm 1.12 case KEY_DOWN:
439 sysadm 1.16 case KEY_PGDN:
440     case KEY_END:
441 sysadm 1.12 if (p_ctx->reach_end)
442     {
443     if (section_topic_view_mode)
444     {
445     *p_key = KEY_PGDN;
446     }
447 sysadm 1.16 else
448     {
449     *p_key = KEY_DOWN;
450     }
451 sysadm 1.12 return 1;
452     }
453     break;
454 sysadm 1.28 case 'j':
455     if (section_topic_view_mode)
456     {
457     *p_key = KEY_PGDN;
458     }
459     else
460     {
461     *p_key = KEY_DOWN;
462     }
463     return 1;
464 sysadm 1.10 }
465    
466     return 0;
467     }
468    
469 sysadm 1.1 int section_list_display(const char *sname)
470     {
471 sysadm 1.4 static int display_nickname = 0;
472    
473 sysadm 1.1 SECTION_LIST *p_section;
474 sysadm 1.5 char stitle[BBS_section_title_max_len + 1];
475     char master_list[(BBS_username_max_len + 1) * 3 + 1];
476 sysadm 1.6 char page_info_str[LINE_BUFFER_LEN];
477 sysadm 1.1 ARTICLE *p_articles[BBS_article_limit_per_page];
478     int article_count;
479 sysadm 1.6 int page_count;
480 sysadm 1.36 int ontop_start_offset;
481 sysadm 1.1 int page_id = 0;
482     int selected_index = 0;
483 sysadm 1.10 ARTICLE_CACHE cache;
484 sysadm 1.1 int ret;
485 sysadm 1.12 int loop;
486     int direction;
487 sysadm 1.24 ARTICLE article_new;
488 sysadm 1.31 int page_id_cur;
489 sysadm 1.1
490     p_section = section_list_find_by_name(sname);
491     if (p_section == NULL)
492     {
493     log_error("Section %s not found\n", sname);
494     return -1;
495     }
496    
497 sysadm 1.5 if ((ret = section_list_rd_lock(p_section)) < 0)
498     {
499     log_error("section_list_rd_lock(sid = 0) error\n");
500     return -2;
501     }
502    
503     strncpy(stitle, p_section->stitle, sizeof(stitle) - 1);
504     stitle[sizeof(stitle) - 1] = '\0';
505     strncpy(master_list, p_section->master_list, sizeof(master_list) - 1);
506     master_list[sizeof(master_list) - 1] = '\0';
507    
508     if ((ret = section_list_rd_unlock(p_section)) < 0)
509     {
510     log_error("section_list_rd_unlock(sid = 0) error\n");
511     return -2;
512     }
513    
514     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
515 sysadm 1.1 {
516     log_error("section_list_draw_screen() error\n");
517     return -2;
518     }
519    
520 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
521 sysadm 1.5 if (ret < 0)
522 sysadm 1.1 {
523 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
524     return -3;
525 sysadm 1.1 }
526 sysadm 1.5
527     if (article_count == 0) // empty section
528 sysadm 1.1 {
529     selected_index = 0;
530     }
531    
532     while (!SYS_server_exit)
533     {
534 sysadm 1.36 ret = section_list_draw_items(page_id, p_articles, article_count, display_nickname, ontop_start_offset);
535 sysadm 1.1 if (ret < 0)
536     {
537     log_error("section_list_draw_items(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
538     return -4;
539     }
540 sysadm 1.6
541 sysadm 1.7 snprintf(page_info_str, sizeof(page_info_str),
542 sysadm 1.40 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
543 sysadm 1.7 page_id + 1, MAX(page_count, 1));
544 sysadm 1.8
545 sysadm 1.6 show_bottom(page_info_str);
546 sysadm 1.1 iflush();
547    
548 sysadm 1.33 if (user_online_update(sname) < 0)
549     {
550     log_error("user_online_update(%s) error\n", sname);
551     }
552    
553 sysadm 1.6 ret = section_list_select(page_count, article_count, &page_id, &selected_index);
554 sysadm 1.1 switch (ret)
555     {
556     case EXIT_SECTION:
557     return 0;
558     case CHANGE_PAGE:
559 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
560 sysadm 1.5 if (ret < 0)
561 sysadm 1.1 {
562 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
563     return -3;
564 sysadm 1.1 }
565 sysadm 1.5 if (article_count == 0) // empty section
566 sysadm 1.1 {
567     selected_index = 0;
568     }
569 sysadm 1.5 else if (selected_index >= article_count)
570 sysadm 1.1 {
571     selected_index = article_count - 1;
572     }
573     break;
574     case VIEW_ARTICLE:
575 sysadm 1.12 do
576 sysadm 1.9 {
577 sysadm 1.12 loop = 0;
578 sysadm 1.9
579 sysadm 1.12 if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_articles[selected_index]) < 0)
580     {
581     log_error("article_cache_load(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
582     break;
583     }
584    
585 sysadm 1.33 if (user_online_update("VIEW_ARTICLE") < 0)
586     {
587     log_error("user_online_update(VIEW_ARTICLE) error\n");
588     }
589    
590 sysadm 1.19 ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
591 sysadm 1.12 display_article_key_handler, DATA_READ_HELP);
592    
593     if (article_cache_unload(&cache) < 0)
594     {
595     log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
596     break;
597     }
598    
599 sysadm 1.17 // Update article_view_log
600     if (article_view_log_set_viewed(p_articles[selected_index]->aid, &BBS_article_view_log) < 0)
601     {
602     log_error("article_view_log_set_viewed(aid=%d) error\n", p_articles[selected_index]->aid);
603     }
604    
605 sysadm 1.12 switch (ret)
606     {
607     case KEY_UP:
608     if (selected_index <= 0)
609     {
610     if (page_id > 0)
611     {
612     page_id--;
613     selected_index = BBS_article_limit_per_page - 1;
614    
615 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
616 sysadm 1.12 if (ret < 0)
617     {
618     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
619     return -3;
620     }
621    
622     if (article_count != BBS_article_limit_per_page) // page is not full
623     {
624     selected_index = MAX(0, article_count - 1);
625     }
626     else
627     {
628     loop = 1;
629     }
630     }
631     }
632     else
633     {
634     selected_index--;
635     loop = 1;
636     }
637     break;
638     case KEY_DOWN:
639     if (selected_index + 1 >= article_count) // next page
640     {
641     if (page_id + 1 < page_count)
642     {
643     page_id++;
644     selected_index = 0;
645    
646 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
647 sysadm 1.12 if (ret < 0)
648     {
649     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
650     return -3;
651     }
652    
653     if (article_count == 0) // empty page
654     {
655     selected_index = 0;
656     }
657     else
658     {
659     loop = 1;
660     }
661     }
662     }
663     else
664     {
665     selected_index++;
666     loop = 1;
667     }
668     break;
669     case KEY_PGUP:
670     case KEY_PGDN:
671     direction = (ret == KEY_PGUP ? -1 : 1);
672 sysadm 1.31 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, 1,
673     &page_id, &selected_index, &article_count);
674 sysadm 1.12 if (ret < 0)
675     {
676 sysadm 1.31 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=1) error\n",
677 sysadm 1.12 p_section->sid, p_articles[selected_index]->aid, direction);
678     return -3;
679     }
680 sysadm 1.31 else if (ret > 0) // found
681 sysadm 1.12 {
682 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
683 sysadm 1.12 if (ret < 0)
684     {
685     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
686     return -3;
687     }
688     loop = 1;
689     }
690     break;
691 sysadm 1.20 case 'r': // Reply article
692 sysadm 1.33 if (user_online_update("REPLY_ARTICLE") < 0)
693     {
694     log_error("user_online_update(REPLY_ARTICLE) error\n");
695     }
696    
697 sysadm 1.24 if (article_reply(p_section, p_articles[selected_index], &article_new) < 0)
698 sysadm 1.20 {
699 sysadm 1.33 log_error("article_reply(aid=%d) error\n", p_articles[selected_index]->aid);
700 sysadm 1.20 }
701     loop = 1;
702     break;
703 sysadm 1.31 case '=': // First topic article
704     case '\\': // Last topic article
705     page_id_cur = page_id;
706     direction = (ret == '=' ? -1 : 1);
707     ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
708     &page_id, &selected_index, &article_count);
709     if (ret < 0)
710     {
711     log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
712     p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
713     return -3;
714     }
715     else if (ret > 0) // found
716     {
717     if (page_id != page_id_cur) // page changed
718     {
719 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
720 sysadm 1.31 if (ret < 0)
721     {
722     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
723     return -3;
724     }
725     }
726     loop = 1;
727     }
728     break;
729 sysadm 1.12 }
730     } while (loop);
731 sysadm 1.13
732     // Update current topic
733     section_topic_view_tid = (p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
734 sysadm 1.35
735     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
736     {
737     log_error("section_list_draw_screen() error\n");
738     return -2;
739     }
740     break;
741 sysadm 1.4 case CHANGE_NAME_DISPLAY:
742     display_nickname = !display_nickname;
743 sysadm 1.5 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
744 sysadm 1.1 {
745     log_error("section_list_draw_screen() error\n");
746     return -2;
747     }
748     break;
749 sysadm 1.20 case POST_ARTICLE:
750 sysadm 1.33 if (user_online_update("POST_ARTICLE") < 0)
751     {
752     log_error("user_online_update(POST_ARTICLE) error\n");
753     }
754    
755 sysadm 1.30 if ((ret = article_post(p_section, &article_new)) < 0)
756 sysadm 1.20 {
757 sysadm 1.26 log_error("article_post(sid=%d) error\n", p_section->sid);
758 sysadm 1.20 }
759 sysadm 1.24 else if (ret > 0) // New article posted
760     {
761 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
762 sysadm 1.24 if (ret < 0)
763     {
764     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
765     return -3;
766     }
767     }
768 sysadm 1.20 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
769     {
770     log_error("section_list_draw_screen() error\n");
771     return -2;
772     }
773     break;
774     case EDIT_ARTICLE:
775 sysadm 1.26 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
776     p_articles[selected_index]->uid != BBS_priv.uid)
777 sysadm 1.20 {
778 sysadm 1.26 break; // No permission
779 sysadm 1.20 }
780 sysadm 1.33
781     if (user_online_update("EDIT_ARTICLE") < 0)
782     {
783     log_error("user_online_update() error\n");
784     }
785    
786 sysadm 1.24 if (article_modify(p_section, p_articles[selected_index], &article_new) < 0)
787 sysadm 1.20 {
788 sysadm 1.26 log_error("article_modify(aid=%d) error\n", p_articles[selected_index]->aid);
789     }
790     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
791     {
792     log_error("section_list_draw_screen() error\n");
793     return -2;
794     }
795     break;
796     case DELETE_ARTICLE:
797     if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
798     (!checkpriv(&BBS_priv, p_section->sid, S_MAN_S) && p_articles[selected_index]->uid != BBS_priv.uid))
799     {
800     break; // No permission
801     }
802 sysadm 1.30 if ((ret = article_del(p_section, p_articles[selected_index])) < 0)
803 sysadm 1.26 {
804     log_error("article_del(aid=%d) error\n", p_articles[selected_index]->aid);
805 sysadm 1.20 }
806 sysadm 1.30 else if (ret > 0) // Article deleted
807     {
808 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
809 sysadm 1.30 if (ret < 0)
810     {
811     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
812     return -3;
813     }
814     }
815 sysadm 1.20 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
816     {
817     log_error("section_list_draw_screen() error\n");
818     return -2;
819     }
820     break;
821 sysadm 1.41 case QUERY_ARTICLE:
822     if ((ret = display_article_meta(p_articles[selected_index]->aid)) < 0)
823     {
824     log_error("display_article_meta(aid=%d) error\n", p_articles[selected_index]->aid);
825     }
826     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
827     {
828     log_error("section_list_draw_screen() error\n");
829     return -2;
830     }
831     break;
832 sysadm 1.31 case FIRST_TOPIC_ARTICLE:
833     case LAST_TOPIC_ARTICLE:
834     page_id_cur = page_id;
835     direction = (ret == FIRST_TOPIC_ARTICLE ? -1 : 1);
836     ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
837     &page_id, &selected_index, &article_count);
838     if (ret < 0)
839     {
840     log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
841     p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
842     return -3;
843     }
844     else if (ret > 0 && page_id != page_id_cur) // found and page changed
845     {
846 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
847 sysadm 1.31 if (ret < 0)
848     {
849     log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
850     return -3;
851     }
852     }
853     break;
854 sysadm 1.28 case SHOW_HELP:
855     // Display help information
856     display_file(DATA_READ_HELP, 1);
857     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
858     {
859     log_error("section_list_draw_screen() error\n");
860     return -2;
861     }
862     break;
863 sysadm 1.37 case VIEW_EX_DIR:
864     if (section_list_ex_dir_display(p_section) < 0)
865     {
866     log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
867     }
868     if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
869     {
870     log_error("section_list_draw_screen() error\n");
871     return -2;
872     }
873     break;
874 sysadm 1.1 default:
875     log_error("Unknown command %d\n", ret);
876     }
877     }
878    
879     return 0;
880     }
881 sysadm 1.37
882     int section_list_ex_dir_display(SECTION_LIST *p_section)
883     {
884     MENU_SET ex_menu_set;
885     int ch = 0;
886    
887     if (p_section == NULL)
888     {
889     log_error("NULL pointer error\n");
890     return -1;
891     }
892    
893 sysadm 1.39 if (p_section->ex_menu_tm == 0) // N/A
894     {
895     moveto(2, 1);
896     clrtoeol();
897 sysadm 1.40 prints("该版块精华区未开放");
898 sysadm 1.39 press_any_key();
899     return 0;
900     }
901    
902 sysadm 1.37 if (get_section_ex_menu_set(p_section, &ex_menu_set) < 0)
903     {
904     log_error("get_section_ex_menu_set(sid=%d) error\n", p_section->sid);
905     return -3;
906     }
907     if (get_menu_shm_readonly(&ex_menu_set) < 0)
908     {
909 sysadm 1.39 log_error("get_menu_shm_readonly(sid=%d) error\n", p_section->sid);
910 sysadm 1.37 return -3;
911     }
912    
913     clearscr();
914 sysadm 1.38 show_bottom("");
915 sysadm 1.37
916     if (display_menu(&ex_menu_set) == 0)
917     {
918     while (!SYS_server_exit)
919     {
920     iflush();
921     ch = igetch(100);
922     switch (ch)
923     {
924     case KEY_NULL: // broken pipe
925     return 0;
926     case KEY_TIMEOUT:
927     if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
928     {
929     return 0;
930     }
931     continue;
932     case CR:
933     igetch_reset();
934     default:
935     switch (menu_control(&ex_menu_set, ch))
936     {
937     case EXITMENU:
938     ch = EXITMENU;
939     break;
940     case REDRAW:
941     clearscr();
942 sysadm 1.38 show_bottom("");
943 sysadm 1.37 display_menu(&ex_menu_set);
944     break;
945     case NOREDRAW:
946     case UNKNOWN_CMD:
947     default:
948     break;
949     }
950     }
951    
952     BBS_last_access_tm = time(NULL);
953    
954     if (ch == EXITMENU)
955     {
956     break;
957     }
958     }
959     }
960    
961     detach_menu_shm(&ex_menu_set);
962    
963     return 0;
964     }
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