"Fossies" - the Fresh Open Source Software Archive 
Member "tin-2.4.2/src/group.c" (8 Dec 2017, 44921 Bytes) of package /linux/misc/tin-2.4.2.tar.xz:
As a special service "Fossies" has tried to format the requested source page into HTML format using (guessed) C and C++ source code syntax highlighting (style:
standard) with prefixed line numbers and
code folding option.
Alternatively you can here
view or
download the uninterpreted source code file.
For more information about "group.c" see the
Fossies "Dox" file reference documentation and the latest
Fossies "Diffs" side-by-side code changes report:
2.4.1_vs_2.4.2.
1 /*
2 * Project : tin - a Usenet reader
3 * Module : group.c
4 * Author : I. Lea & R. Skrenta
5 * Created : 1991-04-01
6 * Updated : 2017-09-18
7 * Notes :
8 *
9 * Copyright (c) 1991-2018 Iain Lea <iain@bricbrac.de>, Rich Skrenta <skrenta@pbm.com>
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote
21 * products derived from this software without specific prior written
22 * permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
25 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
28 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
30 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37
38 #ifndef TIN_H
39 # include "tin.h"
40 #endif /* !TIN_H */
41 #ifndef TCURSES_H
42 # include "tcurses.h"
43 #endif /* !TCURSES_H */
44
45
46 /*
47 * Globally accessible pointer to currently active group
48 * Any functionality accessed from group level or below can use this pointer.
49 * Any code invoked from selection level that requires a group context will
50 * need to manually fix this up
51 */
52 struct t_group *curr_group;
53 static struct t_fmt grp_fmt;
54
55 /*
56 * Local prototypes
57 */
58 static int do_search(t_function func, t_bool repeat);
59 static int enter_pager(int art, t_bool ignore_unavail);
60 static int enter_thread(int depth, t_pagerinfo *page);
61 static int find_new_pos(long old_artnum, int cur_pos);
62 static int group_catchup(t_function func);
63 static int tab_pressed(void);
64 static t_bool prompt_getart_limit(void);
65 static t_function group_left(void);
66 static t_function group_right(void);
67 static void build_sline(int i);
68 static void build_multipart_header(char *dest, int maxlen, const char *src, int cmplen, int have, int total);
69 static void draw_subject_arrow(void);
70 static void show_group_title(t_bool clear_title);
71 static void show_tagged_lines(void);
72 static void toggle_read_unread(t_bool force);
73 static void update_group_page(void);
74
75 /*
76 * grpmenu.curr is an index into base[] and so equates to the cursor location
77 * (thread number) on group page
78 * grpmenu.first is static here
79 */
80 t_menu grpmenu = { 0, 0, 0, show_group_page, draw_subject_arrow, build_sline };
81
82 /* TODO: find a better solution */
83 static int ret_code = 0; /* Set to < 0 when it is time to leave the group level */
84
85 static void
86 show_tagged_lines(
87 void)
88 {
89 int i, j;
90
91 for (i = grpmenu.first; i < grpmenu.first + NOTESLINES && i < grpmenu.max; ++i) {
92 if ((i != grpmenu.curr) && (j = line_is_tagged(base[i])))
93 mark_screen(i, mark_offset - 2, tin_ltoa(j, 3));
94 }
95 }
96
97
98 static t_function
99 group_left(
100 void)
101 {
102 if (curr_group->attribute->group_catchup_on_exit)
103 return SPECIAL_CATCHUP_LEFT; /* ie, not via 'c' or 'C' */
104
105 return GLOBAL_QUIT;
106 }
107
108
109 static t_function
110 group_right(
111 void)
112 {
113 if (grpmenu.curr >= 0 && HAS_FOLLOWUPS(grpmenu.curr)) {
114 if (curr_group->attribute->auto_list_thread)
115 return GROUP_LIST_THREAD;
116 else {
117 int n = next_unread((int) base[grpmenu.curr]);
118
119 if (n >= 0 && grpmenu.curr == which_thread(n)) {
120 ret_code = enter_pager(n, TRUE);
121 return GLOBAL_ABORT; /* TODO: should we return something else? */
122 }
123 }
124 }
125 return GROUP_READ_BASENOTE;
126 }
127
128
129 /*
130 * Return Codes:
131 * GRP_EXIT 'Normal' return to selection menu
132 * GRP_RETSELECT We are en route from pager to the selection screen
133 * GRP_QUIT User has done a 'Q'
134 * GRP_NEXT User wants to move onto next group
135 * GRP_NEXTUNREAD User did a 'C'atchup
136 * GRP_ENTER 'g' command has been used to set group to enter
137 */
138 int
139 group_page(
140 struct t_group *group)
141 {
142 char key[MAXKEYLEN];
143 int i, n, ii;
144 int thread_depth; /* Starting depth in threads we enter */
145 t_artnum old_artnum = T_ARTNUM_CONST(0);
146 struct t_art_stat sbuf;
147 struct t_article *art;
148 t_bool flag;
149 t_bool xflag = FALSE; /* 'X'-flag */
150 t_bool repeat_search;
151 t_function func;
152
153 /*
154 * Set the group attributes
155 */
156 group->read_during_session = TRUE;
157
158 curr_group = group; /* For global access to the current group */
159 num_of_tagged_arts = 0;
160 range_active = FALSE;
161
162 last_resp = -1;
163 this_resp = -1;
164
165 /*
166 * update index file. quit group level if user aborts indexing
167 */
168 if (!index_group(group)) {
169 for_each_art(i) {
170 art = &arts[i];
171 FreeAndNull(art->refs);
172 FreeAndNull(art->msgid);
173 }
174 curr_group = NULL;
175 tin_errno = 0;
176 return GRP_RETSELECT;
177 }
178
179 /*
180 * Position 'grpmenu.curr' accordingly
181 */
182 pos_first_unread_thread();
183 /* reset grpmenu.first */
184 grpmenu.first = 0;
185
186 clear_note_area();
187
188 if (group->attribute->auto_select) {
189 error_message(2, _(txt_autoselecting_articles), printascii(key, func_to_key(GROUP_MARK_UNSELECTED_ARTICLES_READ, group_keys)));
190 do_auto_select_arts(); /* 'X' command */
191 xflag = TRUE;
192 }
193
194 show_group_page();
195
196 # ifdef DEBUG
197 if (debug & DEBUG_NEWSRC)
198 debug_print_bitmap(group, NULL);
199 # endif /* DEBUG */
200
201 /* reset ret_code */
202 ret_code = 0;
203 while (ret_code >= 0) {
204 set_xclick_on();
205 if ((func = handle_keypad(group_left, group_right, global_mouse_action, group_keys)) == GLOBAL_SEARCH_REPEAT) {
206 func = last_search;
207 repeat_search = TRUE;
208 } else
209 repeat_search = FALSE;
210
211 switch (func) {
212 case GLOBAL_ABORT:
213 break;
214
215 case DIGIT_1:
216 case DIGIT_2:
217 case DIGIT_3:
218 case DIGIT_4:
219 case DIGIT_5:
220 case DIGIT_6:
221 case DIGIT_7:
222 case DIGIT_8:
223 case DIGIT_9:
224 if (grpmenu.max)
225 prompt_item_num(func_to_key(func, group_keys), group->attribute->thread_articles == THREAD_NONE ? _(txt_select_art) : _(txt_select_thread));
226 break;
227
228 # ifndef NO_SHELL_ESCAPE
229 case GLOBAL_SHELL_ESCAPE:
230 do_shell_escape();
231 break;
232 # endif /* !NO_SHELL_ESCAPE */
233
234 case GLOBAL_FIRST_PAGE: /* show first page of threads */
235 top_of_list();
236 break;
237
238 case GLOBAL_LAST_PAGE: /* show last page of threads */
239 end_of_list();
240 break;
241
242 case GLOBAL_LAST_VIEWED: /* go to last viewed article */
243 /*
244 * If the last art is no longer in a thread then we can't display it
245 */
246 if (this_resp < 0 || (which_thread(this_resp) == -1))
247 info_message(_(txt_no_last_message));
248 else
249 ret_code = enter_pager(this_resp, FALSE);
250 break;
251
252 case GLOBAL_PIPE: /* pipe article/thread/tagged arts to command */
253 if (grpmenu.curr >= 0)
254 feed_articles(FEED_PIPE, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
255 break;
256
257 case GROUP_MAIL: /* mail article to somebody */
258 if (grpmenu.curr >= 0)
259 feed_articles(FEED_MAIL, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
260 break;
261
262 #ifndef DISABLE_PRINTING
263 case GLOBAL_PRINT: /* output art/thread/tagged arts to printer */
264 if (grpmenu.curr >= 0)
265 feed_articles(FEED_PRINT, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
266 break;
267 #endif /* !DISABLE_PRINTING */
268
269 case GROUP_REPOST: /* repost current article */
270 if (can_post) {
271 if (grpmenu.curr >= 0)
272 feed_articles(FEED_REPOST, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
273 } else
274 info_message(_(txt_cannot_post));
275 break;
276
277 case GROUP_SAVE: /* save articles with prompting */
278 if (grpmenu.curr >= 0)
279 feed_articles(FEED_SAVE, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
280 break;
281
282 case GROUP_AUTOSAVE: /* Auto-save articles without prompting */
283 if (grpmenu.curr >= 0)
284 feed_articles(FEED_AUTOSAVE, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
285 break;
286
287 case GLOBAL_SET_RANGE: /* set range */
288 if (grpmenu.curr >= 0 && set_range(GROUP_LEVEL, 1, grpmenu.max, grpmenu.curr + 1)) {
289 range_active = TRUE;
290 show_group_page();
291 }
292 break;
293
294 case GLOBAL_SEARCH_REPEAT:
295 info_message(_(txt_no_prev_search));
296 break;
297
298 case GLOBAL_SEARCH_AUTHOR_FORWARD:
299 case GLOBAL_SEARCH_AUTHOR_BACKWARD:
300 case GLOBAL_SEARCH_SUBJECT_FORWARD:
301 case GLOBAL_SEARCH_SUBJECT_BACKWARD:
302 if ((thread_depth = do_search(func, repeat_search)) != 0)
303 ret_code = enter_thread(thread_depth, NULL);
304 break;
305
306 case GLOBAL_SEARCH_BODY: /* search article body */
307 if (grpmenu.curr >= 0) {
308 if ((n = search_body(group, (int) base[grpmenu.curr], repeat_search)) != -1)
309 ret_code = enter_pager(n, FALSE);
310 } else
311 info_message(_(txt_no_arts));
312 break;
313
314 case GROUP_READ_BASENOTE: /* read current basenote */
315 if (grpmenu.curr >= 0)
316 ret_code = enter_pager((int) base[grpmenu.curr], FALSE /*TRUE*/);
317 else
318 info_message(_(txt_no_arts));
319 break;
320
321 case GROUP_CANCEL: /* cancel current basenote */
322 if (grpmenu.curr >= 0) {
323 if (can_post || group->attribute->mailing_list != NULL) {
324 int ret;
325
326 n = (int) base[grpmenu.curr];
327 ret = art_open(TRUE, &arts[n], group, &pgart, TRUE, _(txt_reading_article));
328 if (ret != ART_UNAVAILABLE && ret != ART_ABORT && cancel_article(group, &arts[n], n))
329 show_group_page();
330 art_close(&pgart);
331 } else
332 info_message(_(txt_cannot_post));
333 } else
334 info_message(_(txt_no_arts));
335 break;
336
337 case GROUP_NEXT_UNREAD_ARTICLE_OR_GROUP: /* goto next unread article/group */
338 ret_code = tab_pressed();
339 break;
340
341 case GLOBAL_PAGE_DOWN:
342 page_down();
343 break;
344
345 case GLOBAL_MENU_FILTER_SELECT: /* auto-select article menu */
346 case GLOBAL_MENU_FILTER_KILL: /* kill article menu */
347 if (grpmenu.curr < 0) {
348 info_message(_(txt_no_arts));
349 break;
350 }
351 n = (int) base[grpmenu.curr];
352 if (filter_menu(func, group, &arts[n])) {
353 old_artnum = arts[n].artnum;
354 unfilter_articles(group);
355 filter_articles(group);
356 make_threads(group, FALSE);
357 grpmenu.curr = find_new_pos(old_artnum, grpmenu.curr);
358 }
359 show_group_page();
360 break;
361
362 case GLOBAL_EDIT_FILTER:
363 if (invoke_editor(filter_file, filter_file_offset, NULL)) {
364 old_artnum = grpmenu.max > 0 ? arts[(int) base[grpmenu.curr]].artnum : T_ARTNUM_CONST(-1);
365 unfilter_articles(group);
366 (void) read_filter_file(filter_file);
367 filter_articles(group);
368 make_threads(group, FALSE);
369 grpmenu.curr = old_artnum >= T_ARTNUM_CONST(0) ? find_new_pos(old_artnum, grpmenu.curr) : grpmenu.max - 1;
370 }
371 show_group_page();
372 break;
373
374 case GLOBAL_QUICK_FILTER_SELECT: /* quickly auto-select article */
375 case GLOBAL_QUICK_FILTER_KILL: /* quickly kill article */
376 if (grpmenu.curr < 0) {
377 info_message(_(txt_no_arts));
378 break;
379 }
380 if ((!TINRC_CONFIRM_ACTION) || prompt_yn((func == GLOBAL_QUICK_FILTER_KILL) ? _(txt_quick_filter_kill) : _(txt_quick_filter_select), TRUE) == 1) {
381 n = (int) base[grpmenu.curr]; /* should this depend on show_only_unread_arts? */
382 if (quick_filter(func, group, &arts[n])) {
383 old_artnum = arts[n].artnum;
384 unfilter_articles(group);
385 filter_articles(group);
386 make_threads(group, FALSE);
387 grpmenu.curr = find_new_pos(old_artnum, grpmenu.curr);
388 show_group_page();
389 info_message((func == GLOBAL_QUICK_FILTER_KILL) ? _(txt_info_add_kill) : _(txt_info_add_select));
390 }
391 }
392 break;
393
394 case GLOBAL_REDRAW_SCREEN:
395 my_retouch();
396 set_xclick_off();
397 show_group_page();
398 break;
399
400 case GLOBAL_LINE_DOWN:
401 move_down();
402 break;
403
404 case GLOBAL_LINE_UP:
405 move_up();
406 break;
407
408 case GLOBAL_PAGE_UP:
409 page_up();
410 break;
411
412 case GLOBAL_SCROLL_DOWN:
413 scroll_down();
414 break;
415
416 case GLOBAL_SCROLL_UP:
417 scroll_up();
418 break;
419
420 case SPECIAL_CATCHUP_LEFT:
421 case CATCHUP:
422 case CATCHUP_NEXT_UNREAD:
423 ret_code = group_catchup(func);
424 break;
425
426 case GROUP_TOGGLE_SUBJECT_DISPLAY: /* toggle display of subject & subj/author */
427 if (++curr_group->attribute->show_author > SHOW_FROM_BOTH)
428 curr_group->attribute->show_author = SHOW_FROM_NONE;
429 show_group_page();
430 break;
431
432 case GROUP_GOTO: /* choose a new group by name */
433 n = choose_new_group();
434 if (n >= 0 && n != selmenu.curr) {
435 selmenu.curr = n;
436 ret_code = GRP_ENTER;
437 }
438 break;
439
440 case GLOBAL_HELP:
441 show_help_page(GROUP_LEVEL, _(txt_index_page_com));
442 show_group_page();
443 break;
444
445 case GLOBAL_TOGGLE_HELP_DISPLAY: /* toggle mini help menu */
446 toggle_mini_help(GROUP_LEVEL);
447 show_group_page();
448 break;
449
450 case GLOBAL_TOGGLE_INVERSE_VIDEO: /* toggle inverse video */
451 toggle_inverse_video();
452 show_group_page();
453 show_inverse_video_status();
454 break;
455
456 # ifdef HAVE_COLOR
457 case GLOBAL_TOGGLE_COLOR:
458 if (toggle_color()) {
459 show_group_page();
460 show_color_status();
461 }
462 break;
463 # endif /* HAVE_COLOR */
464
465 case GROUP_MARK_THREAD_READ: /* mark current thread/range/tagged threads as read */
466 case MARK_THREAD_UNREAD: /* or unread */
467 if (grpmenu.curr < 0)
468 info_message(_(txt_no_arts));
469 else {
470 t_function function, type;
471
472 function = func == GROUP_MARK_THREAD_READ ? (t_function) FEED_MARK_READ : (t_function) FEED_MARK_UNREAD;
473 type = range_active ? FEED_RANGE : (num_of_tagged_arts && !group->attribute->mark_ignore_tags) ? NOT_ASSIGNED : FEED_THREAD;
474 feed_articles(function, GROUP_LEVEL, type, group, (int) base[grpmenu.curr]);
475 }
476 break;
477
478 case GROUP_LIST_THREAD: /* list articles within current thread */
479 ret_code = enter_thread(0, NULL); /* Enter thread at the top */
480 break;
481
482 case GLOBAL_LOOKUP_MESSAGEID:
483 if ((i = prompt_msgid()) != ART_UNAVAILABLE)
484 ret_code = enter_pager(i, FALSE);
485 break;
486
487 case GLOBAL_OPTION_MENU: /* option menu */
488 old_artnum = grpmenu.max > 0 ? arts[(int) base[grpmenu.curr]].artnum : T_ARTNUM_CONST(-1);
489 config_page(group->name, signal_context);
490 grpmenu.curr = old_artnum >= T_ARTNUM_CONST(0) ? find_new_pos(old_artnum, grpmenu.curr) : grpmenu.max - 1;
491 show_group_page();
492 break;
493
494 case GROUP_NEXT_GROUP: /* goto next group */
495 clear_message();
496 if (selmenu.curr + 1 >= selmenu.max)
497 info_message(_(txt_no_more_groups));
498 else {
499 if (xflag && TINRC_CONFIRM_SELECT && (prompt_yn(_(txt_confirm_select_on_exit), FALSE) != 1)) {
500 undo_auto_select_arts();
501 xflag = FALSE;
502 }
503 selmenu.curr++;
504 ret_code = GRP_NEXTUNREAD;
505 }
506 break;
507
508 case GROUP_NEXT_UNREAD_ARTICLE: /* goto next unread article */
509 if (grpmenu.curr < 0) {
510 info_message(_(txt_no_next_unread_art));
511 break;
512 }
513 if ((n = next_unread((int) base[grpmenu.curr])) == -1)
514 info_message(_(txt_no_next_unread_art));
515 else
516 ret_code = enter_pager(n, FALSE);
517 break;
518
519 case GROUP_PREVIOUS_UNREAD_ARTICLE: /* go to previous unread article */
520 if (grpmenu.curr < 0) {
521 info_message(_(txt_no_prev_unread_art));
522 break;
523 }
524
525 if ((n = prev_unread(prev_response((int) base[grpmenu.curr]))) == -1)
526 info_message(_(txt_no_prev_unread_art));
527 else
528 ret_code = enter_pager(n, FALSE);
529 break;
530
531 case GROUP_PREVIOUS_GROUP: /* previous group */
532 clear_message();
533 for (i = selmenu.curr - 1; i >= 0; i--) {
534 if (UNREAD_GROUP(i))
535 break;
536 }
537 if (i < 0)
538 info_message(_(txt_no_prev_group));
539 else {
540 if (xflag && TINRC_CONFIRM_SELECT && (prompt_yn(_(txt_confirm_select_on_exit), FALSE) != 1)) {
541 undo_auto_select_arts();
542 xflag = FALSE;
543 }
544 selmenu.curr = i;
545 ret_code = GRP_NEXTUNREAD;
546 }
547 break;
548
549 case GLOBAL_QUIT: /* return to group selection page */
550 if (num_of_tagged_arts && prompt_yn(_(txt_quit_despite_tags), TRUE) != 1)
551 break;
552 if (xflag && TINRC_CONFIRM_SELECT && (prompt_yn(_(txt_confirm_select_on_exit), FALSE) != 1)) {
553 undo_auto_select_arts();
554 xflag = FALSE;
555 }
556 ret_code = GRP_EXIT;
557 break;
558
559 case GLOBAL_QUIT_TIN: /* quit */
560 if (num_of_tagged_arts && prompt_yn(_(txt_quit_despite_tags), TRUE) != 1)
561 break;
562 if (xflag && TINRC_CONFIRM_SELECT && (prompt_yn(_(txt_confirm_select_on_exit), FALSE) != 1)) {
563 undo_auto_select_arts();
564 xflag = FALSE;
565 }
566 ret_code = GRP_QUIT;
567 break;
568
569 case GROUP_TOGGLE_READ_UNREAD:
570 toggle_read_unread(FALSE);
571 show_group_page();
572 break;
573
574 case GROUP_TOGGLE_GET_ARTICLES_LIMIT:
575 if (prompt_getart_limit()) {
576 /*
577 * if getart limit was given via cmd-line
578 * make it inactive now in order to use
579 * tinrc.getart_limit
580 */
581 if (cmdline.args & CMDLINE_GETART_LIMIT)
582 cmdline.args &= ~CMDLINE_GETART_LIMIT;
583 ret_code = GRP_NEXTUNREAD;
584 }
585 break;
586
587 case GLOBAL_BUGREPORT:
588 bug_report();
589 break;
590
591 case GROUP_TAG_PARTS: /* tag all in order */
592 if (0 <= grpmenu.curr) {
593 if (tag_multipart(grpmenu.curr) != 0) {
594 /*
595 * on success, move the pointer to the next
596 * untagged article just for ease of use's sake
597 */
598 n = grpmenu.curr;
599 update_group_page();
600 do {
601 n++;
602 n %= grpmenu.max;
603 if (arts[base[n]].tagged == 0) {
604 move_to_item(n);
605 break;
606 }
607 } while (n != grpmenu.curr);
608 info_message(_(txt_info_all_parts_tagged));
609 }
610 }
611 break;
612
613 case GROUP_TAG: /* tag/untag threads for mailing/piping/printing/saving */
614 if (grpmenu.curr >= 0) {
615 t_bool tagged = TRUE;
616
617 n = (int) base[grpmenu.curr];
618
619 /*
620 * This loop looks for any article in the thread that
621 * isn't already tagged.
622 */
623 for (ii = n; ii != -1 && tagged; ii = arts[ii].thread) {
624 if (arts[ii].tagged == 0) {
625 tagged = FALSE;
626 break;
627 }
628 }
629
630 /*
631 * If the whole thread is tagged, untag it. Otherwise, tag
632 * any untagged articles
633 */
634 if (tagged) {
635 /*
636 * Here we repeat the tagged test in both blocks
637 * to leave the choice of tagged/untagged
638 * determination politic in the previous lines.
639 */
640 for (ii = n; ii != -1; ii = arts[ii].thread) {
641 if (arts[ii].tagged != 0) {
642 tagged = TRUE;
643 untag_article(ii);
644 }
645 }
646 } else {
647 for (ii = n; ii != -1; ii = arts[ii].thread) {
648 if (arts[ii].tagged == 0)
649 arts[ii].tagged = ++num_of_tagged_arts;
650 }
651 }
652 if ((ii = line_is_tagged(n)))
653 mark_screen(grpmenu.curr, mark_offset - 2, tin_ltoa(ii, 3));
654 else {
655 char mark[] = { '\0', '\0' };
656
657 stat_thread(grpmenu.curr, &sbuf);
658 mark[0] = sbuf.art_mark;
659 mark_screen(grpmenu.curr, mark_offset - 2, " "); /* clear space used by tag numbering */
660 mark_screen(grpmenu.curr, mark_offset, mark);
661 }
662 if (tagged)
663 show_tagged_lines();
664
665 if (grpmenu.curr + 1 < grpmenu.max)
666 move_down();
667 else
668 draw_subject_arrow();
669
670 info_message(tagged ? _(txt_prefix_untagged) : _(txt_prefix_tagged), txt_thread_singular);
671
672 }
673 break;
674
675 case GROUP_TOGGLE_THREADING: /* Cycle through the threading types */
676 group->attribute->thread_articles = (group->attribute->thread_articles + 1) % (THREAD_MAX + 1);
677 if (grpmenu.curr >= 0) {
678 i = base[grpmenu.curr]; /* Save a copy of current thread */
679 make_threads(group, TRUE);
680 find_base(group);
681 if ((grpmenu.curr = which_thread(i)) < 0) /* Restore current position in group */
682 grpmenu.curr = 0;
683 }
684 show_group_page();
685 break;
686
687 case GROUP_UNTAG: /* untag all articles */
688 if (grpmenu.curr >= 0) {
689 if (untag_all_articles())
690 update_group_page();
691 }
692 break;
693
694 case GLOBAL_VERSION:
695 info_message(cvers);
696 break;
697
698 case GLOBAL_POST: /* post an article */
699 if (post_article(group->name))
700 show_group_page();
701 break;
702
703 case GLOBAL_POSTPONED: /* post postponed article */
704 if (can_post) {
705 if (pickup_postponed_articles(FALSE, FALSE))
706 show_group_page();
707 } else
708 info_message(_(txt_cannot_post));
709 break;
710
711 case GLOBAL_DISPLAY_POST_HISTORY: /* display messages posted by user */
712 if (user_posted_messages())
713 show_group_page();
714 break;
715
716 case MARK_ARTICLE_UNREAD: /* mark base article of thread unread */
717 if (grpmenu.curr < 0)
718 info_message(_(txt_no_arts));
719 else {
720 const char *ptr;
721
722 if (range_active) {
723 /*
724 * We are tied to following base[] here, not arts[], as we operate on
725 * the base articles by definition.
726 */
727 for (ii = 0; ii < grpmenu.max; ++ii) {
728 if (arts[base[ii]].inrange) {
729 arts[base[ii]].inrange = FALSE;
730 art_mark(group, &arts[base[ii]], ART_WILL_RETURN);
731 for_each_art_in_thread(i, ii)
732 arts[i].inrange = FALSE;
733 }
734 }
735 range_active = FALSE;
736 show_group_page();
737 ptr = _(txt_base_article_range);
738 } else {
739 art_mark(group, &arts[base[grpmenu.curr]], ART_WILL_RETURN);
740 ptr = _(txt_base_article);
741 }
742
743 show_group_title(TRUE);
744 build_sline(grpmenu.curr);
745 draw_subject_arrow();
746 info_message(_(txt_marked_as_unread), ptr);
747 }
748 break;
749
750 case MARK_FEED_READ: /* mark selected articles as read */
751 if (grpmenu.curr >= 0)
752 feed_articles(FEED_MARK_READ, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
753 break;
754
755 case MARK_FEED_UNREAD: /* mark selected articles as unread */
756 if (grpmenu.curr >= 0)
757 feed_articles(FEED_MARK_UNREAD, GROUP_LEVEL, NOT_ASSIGNED, group, (int) base[grpmenu.curr]);
758 break;
759
760 case GROUP_SELECT_THREAD: /* mark thread as selected */
761 case GROUP_TOGGLE_SELECT_THREAD: /* toggle thread */
762 if (grpmenu.curr < 0) {
763 info_message(_(txt_no_arts));
764 break;
765 }
766
767 flag = TRUE;
768 if (func == GROUP_TOGGLE_SELECT_THREAD) {
769 stat_thread(grpmenu.curr, &sbuf);
770 if (sbuf.selected_unread == sbuf.unread)
771 flag = FALSE;
772 }
773 n = 0;
774 for_each_art_in_thread(i, grpmenu.curr) {
775 arts[i].selected = flag;
776 ++n;
777 }
778 assert(n > 0);
779 {
780 char mark[] = { '\0', '\0' };
781
782 stat_thread(grpmenu.curr, &sbuf);
783 mark[0] = sbuf.art_mark;
784 mark_screen(grpmenu.curr, mark_offset, mark);
785 }
786
787 show_group_title(TRUE);
788
789 if (grpmenu.curr + 1 < grpmenu.max)
790 move_down();
791 else
792 draw_subject_arrow();
793
794 info_message(flag ? _(txt_thread_marked_as_selected) : _(txt_thread_marked_as_deselected));
795 break;
796
797 case GROUP_REVERSE_SELECTIONS: /* reverse selections */
798 for_each_art(i)
799 arts[i].selected = bool_not(arts[i].selected);
800 update_group_page();
801 show_group_title(TRUE);
802 break;
803
804 case GROUP_UNDO_SELECTIONS: /* undo selections */
805 undo_selections();
806 xflag = FALSE;
807 show_group_title(TRUE);
808 update_group_page();
809 break;
810
811 case GROUP_SELECT_PATTERN: /* select matching patterns */
812 if (grpmenu.curr >= 0) {
813 char pat[128];
814 char *prompt;
815 struct regex_cache cache = { NULL, NULL };
816
817 prompt = fmt_string(_(txt_select_pattern), tinrc.default_select_pattern);
818 if (!(prompt_string_default(prompt, tinrc.default_select_pattern, _(txt_info_no_previous_expression), HIST_SELECT_PATTERN))) {
819 free(prompt);
820 break;
821 }
822 free(prompt);
823
824 if (STRCMPEQ(tinrc.default_select_pattern, "*")) { /* all */
825 if (tinrc.wildcard)
826 STRCPY(pat, ".*");
827 else
828 STRCPY(pat, tinrc.default_select_pattern);
829 } else
830 snprintf(pat, sizeof(pat), REGEX_FMT, tinrc.default_select_pattern);
831
832 if (tinrc.wildcard && !(compile_regex(pat, &cache, PCRE_CASELESS)))
833 break;
834
835 flag = FALSE;
836 for (n = 0; n < grpmenu.max; n++) {
837 if (!match_regex(arts[base[n]].subject, pat, &cache, TRUE))
838 continue;
839
840 for_each_art_in_thread(i, n)
841 arts[i].selected = TRUE;
842
843 flag = TRUE;
844 }
845 if (flag) {
846 show_group_title(TRUE);
847 update_group_page();
848 }
849 if (tinrc.wildcard) {
850 FreeIfNeeded(cache.re);
851 FreeIfNeeded(cache.extra);
852 }
853 }
854 break;
855
856 case GROUP_SELECT_THREAD_IF_UNREAD_SELECTED: /* select all unread arts in thread hot if 1 is hot */
857 for (n = 0; n < grpmenu.max; n++) {
858 stat_thread(n, &sbuf);
859 if (!sbuf.selected_unread || sbuf.selected_unread == sbuf.unread)
860 continue;
861
862 for_each_art_in_thread(i, n)
863 arts[i].selected = TRUE;
864 }
865 show_group_title(TRUE);
866 break;
867
868 case GROUP_MARK_UNSELECTED_ARTICLES_READ: /* mark read all unselected arts */
869 if (!xflag) {
870 do_auto_select_arts();
871 xflag = TRUE;
872 } else {
873 undo_auto_select_arts();
874 xflag = FALSE;
875 }
876 break;
877
878 case GROUP_DO_AUTOSELECT: /* perform auto-selection on group */
879 for (n = 0; n < grpmenu.max; n++) {
880 for_each_art_in_thread(i, n)
881 arts[i].selected = TRUE;
882 }
883 update_group_page();
884 show_group_title(TRUE);
885 break;
886
887 case GLOBAL_TOGGLE_INFO_LAST_LINE:
888 tinrc.info_in_last_line = bool_not(tinrc.info_in_last_line);
889 show_group_page();
890 break;
891
892 default:
893 info_message(_(txt_bad_command), printascii(key, func_to_key(GLOBAL_HELP, group_keys)));
894 break;
895 } /* switch(ch) */
896 } /* ret_code >= 0 */
897
898 set_xclick_off();
899
900 clear_note_area();
901 grp_del_mail_arts(group);
902
903 art_close(&pgart); /* Close any open art */
904
905 curr_group = NULL;
906
907 return ret_code;
908 }
909
910
911 void
912 show_group_page(
913 void)
914 {
915 int i;
916
917 signal_context = cGroup;
918 currmenu = &grpmenu;
919
920 ClearScreen();
921 set_first_screen_item();
922 parse_format_string(curr_group->attribute->group_format, &grp_fmt);
923 mark_offset = 0;
924 show_group_title(FALSE);
925
926 for (i = grpmenu.first; i < grpmenu.first + NOTESLINES && i < grpmenu.max; ++i)
927 build_sline(i);
928
929 show_mini_help(GROUP_LEVEL);
930
931 if (grpmenu.max <= 0) {
932 info_message(_(txt_no_arts));
933 return;
934 }
935
936 draw_subject_arrow();
937 }
938
939
940 static void
941 update_group_page(
942 void)
943 {
944 int i, j;
945 char mark[] = { '\0', '\0' };
946 struct t_art_stat sbuf;
947
948 for (i = grpmenu.first; i < grpmenu.first + NOTESLINES && i < grpmenu.max; ++i) {
949 if ((j = line_is_tagged(base[i])))
950 mark_screen(i, mark_offset - 2, tin_ltoa(j, 3));
951 else {
952 stat_thread(i, &sbuf);
953 mark[0] = sbuf.art_mark;
954 mark_screen(i, mark_offset - 2, " "); /* clear space used by tag numbering */
955 mark_screen(i, mark_offset, mark);
956 if (sbuf.art_mark == tinrc.art_marked_selected)
957 draw_mark_selected(i);
958 }
959 }
960
961 if (grpmenu.max <= 0)
962 return;
963
964 draw_subject_arrow();
965 }
966
967
968 static void
969 draw_subject_arrow(
970 void)
971 {
972 draw_arrow_mark(INDEX_TOP + grpmenu.curr - grpmenu.first);
973
974 if (tinrc.info_in_last_line) {
975 struct t_art_stat statbuf;
976
977 stat_thread(grpmenu.curr, &statbuf);
978 info_message("%s", arts[(statbuf.unread ? next_unread(base[grpmenu.curr]) : base[grpmenu.curr])].subject);
979 } else if (grpmenu.curr == grpmenu.max - 1)
980 info_message(_(txt_end_of_arts));
981 }
982
983
984 void
985 clear_note_area(
986 void)
987 {
988 MoveCursor(INDEX_TOP, 0);
989 CleartoEOS();
990 }
991
992
993 /*
994 * If in show_only_unread_arts mode or there are unread articles we know this
995 * thread will exist after toggle. Otherwise we find the next closest to
996 * return to. 'force' can be set to force tin to show all messages
997 */
998 static void
999 toggle_read_unread(
1000 t_bool force)
1001 {
1002 int n, i = -1;
1003
1004 /*
1005 * Clear art->keep_in_base if switching to !show_only_unread_arts
1006 */
1007 if (curr_group->attribute->show_only_unread_arts) {
1008 for_each_art(n)
1009 arts[n].keep_in_base = FALSE;
1010 }
1011
1012 /* force currently is always false */
1013 if (force)
1014 curr_group->attribute->show_only_unread_arts = TRUE; /* Yes - really, we change it in a bit */
1015
1016 wait_message(0, _(txt_reading_arts),
1017 (curr_group->attribute->show_only_unread_arts) ? _(txt_all) : _(txt_unread));
1018
1019 if (grpmenu.curr >= 0) {
1020 if (curr_group->attribute->show_only_unread_arts || new_responses(grpmenu.curr))
1021 i = base[grpmenu.curr];
1022 else if ((n = prev_unread((int) base[grpmenu.curr])) >= 0)
1023 i = n;
1024 else if ((n = next_unread((int) base[grpmenu.curr])) >= 0)
1025 i = n;
1026 }
1027
1028 if (!force)
1029 curr_group->attribute->show_only_unread_arts = bool_not(curr_group->attribute->show_only_unread_arts);
1030
1031 find_base(curr_group);
1032 if (i >= 0 && (n = which_thread(i)) >= 0)
1033 grpmenu.curr = n;
1034 else if (grpmenu.max > 0)
1035 grpmenu.curr = grpmenu.max - 1;
1036 clear_message();
1037 }
1038
1039
1040 /*
1041 * Find new index position after a kill or unkill. Because kill can work on
1042 * author it is impossible to know which, if any, articles will be left
1043 * afterwards. So we make a "best attempt" to find a new index point.
1044 */
1045 static int
1046 find_new_pos(
1047 long old_artnum,
1048 int cur_pos)
1049 {
1050 int i, pos;
1051
1052 if ((i = find_artnum(old_artnum)) >= 0 && (pos = which_thread(i)) >= 0)
1053 return pos;
1054
1055 return ((cur_pos < grpmenu.max) ? cur_pos : (grpmenu.max - 1));
1056 }
1057
1058
1059 /*
1060 * Set grpmenu.curr to the first unread or the last thread depending on
1061 * the value of pos_first_unread
1062 */
1063 void
1064 pos_first_unread_thread(
1065 void)
1066 {
1067 int i;
1068
1069 if (curr_group->attribute->pos_first_unread) {
1070 for (i = 0; i < grpmenu.max; i++) {
1071 if (new_responses(i))
1072 break;
1073 }
1074 grpmenu.curr = ((i < grpmenu.max) ? i : (grpmenu.max - 1));
1075 } else
1076 grpmenu.curr = grpmenu.max - 1;
1077 }
1078
1079
1080 void
1081 mark_screen(
1082 int screen_row,
1083 int screen_col,
1084 const char *value)
1085 {
1086 if (tinrc.draw_arrow) {
1087 MoveCursor(INDEX2LNUM(screen_row), screen_col);
1088 my_fputs(value, stdout);
1089 stow_cursor();
1090 my_flush();
1091 } else {
1092 #ifdef USE_CURSES
1093 int y, x;
1094 getyx(stdscr, y, x);
1095 mvaddstr(INDEX2LNUM(screen_row), screen_col, value);
1096 MoveCursor(y, x);
1097 #else
1098 int i;
1099 for (i = 0; value[i] != '\0'; i++)
1100 screen[INDEX2SNUM(screen_row)].col[screen_col + i] = value[i];
1101 MoveCursor(INDEX2LNUM(screen_row), screen_col);
1102 my_fputs(value, stdout);
1103 #endif /* USE_CURSES */
1104 currmenu->draw_arrow();
1105 }
1106 }
1107
1108
1109 /*
1110 * Builds the correct header for multipart messages when sorting via
1111 * THREAD_MULTI.
1112 */
1113 static void
1114 build_multipart_header(
1115 char *dest,
1116 int maxlen,
1117 const char *src,
1118 int cmplen,
1119 int have,
1120 int total)
1121 {
1122 const char *mark = (have == total) ? "*" : "-";
1123 char *ss;
1124
1125 if (cmplen > maxlen)
1126 strncpy(dest, src, maxlen);
1127 else {
1128 strncpy(dest, src, cmplen);
1129 ss = dest + cmplen;
1130 snprintf(ss, maxlen - cmplen, "(%s/%d)", mark, total);
1131 }
1132 }
1133
1134
1135 /*
1136 * Build subject line given an index into base[].
1137 *
1138 * WARNING: some other code expects to find the article mark (ART_MARK_READ,
1139 * ART_MARK_SELECTED, etc) at mark_offset from beginning of the line.
1140 * So, if you change the format used in this routine, be sure to check that
1141 * the value of mark_offset is still correct.
1142 * Yes, this is somewhat kludgy.
1143 */
1144 static void
1145 build_sline(
1146 int i)
1147 {
1148 char *fmt, *buf;
1149 char *buffer;
1150 char arts_sub[HEADER_LEN];
1151 char tmp_buf[8];
1152 char tmp[LEN];
1153 int respnum;
1154 int j, k, n;
1155 size_t len;
1156 struct t_art_stat sbuf;
1157 #if defined(MULTIBYTE_ABLE) && !defined(NO_LOCALE)
1158 wchar_t *wtmp, *wtmp2;
1159 #else
1160 int fill, gap;
1161 size_t len_start;
1162 #endif /* MULTIBYTE_ABLE && !NO_LOCALE */
1163
1164 #ifdef USE_CURSES
1165 /*
1166 * Allocate line buffer
1167 * make it the same size like in !USE_CURSES case to simplify the code
1168 */
1169 # if defined(MULTIBYTE_ABLE) && !defined(NO_LOCALE)
1170 buffer = my_malloc(cCOLS * MB_CUR_MAX + 2);
1171 # else
1172 buffer = my_malloc(cCOLS + 2);
1173 # endif /* MULTIBYTE_ABLE && !NO_LOCALE */
1174 #else
1175 buffer = screen[INDEX2SNUM(i)].col;
1176 #endif /* USE_CURSES */
1177
1178 buffer[0] = '\0';
1179
1180 respnum = (int) base[i];
1181
1182 stat_thread(i, &sbuf);
1183
1184 /*
1185 * Find index of first unread in this thread
1186 */
1187 j = (sbuf.unread) ? next_unread(respnum) : respnum;
1188
1189 fmt = grp_fmt.str;
1190
1191 if (tinrc.draw_arrow)
1192 strcat(buffer, " ");
1193
1194 for (; *fmt; fmt++) {
1195 if (*fmt != '%') {
1196 strncat(buffer, fmt, 1);
1197 continue;
1198 }
1199 switch (*++fmt) {
1200 case '\0':
1201 break;
1202
1203 case '%':
1204 strncat(buffer, fmt, 1);
1205 break;
1206
1207 case 'D': /* date */
1208 buf = my_malloc(LEN);
1209 if (my_strftime(buf, LEN - 1, grp_fmt.date_str, localtime((const time_t *) &arts[j].date))) {
1210 #if defined(MULTIBYTE_ABLE) && !defined(NO_LOCALE)
1211 if ((wtmp = char2wchar_t(buf)) != NULL) {
1212 wtmp2 = wcspart(wtmp, grp_fmt.len_date_max, TRUE);
1213 if (wcstombs(tmp, wtmp2, sizeof(tmp) - 1) != (size_t) -1)
1214 strcat(buffer, tmp);
1215
1216 free(wtmp);
1217 free(wtmp2);
1218 }
1219 #else
1220 strncat(buffer, buf, grp_fmt.len_date_max);
1221 #endif /* MULTIBYTE_ABLE && !NO_LOCALE */
1222 }
1223 free(buf);
1224 break;
1225
1226 case 'F': /* from */
1227 if (curr_group->attribute->show_author != SHOW_FROM_NONE) {
1228 #if defined(MULTIBYTE_ABLE) && !defined(NO_LOCALE)
1229 get_author(FALSE, &arts[j], tmp, sizeof(tmp) - 1);
1230
1231 if ((wtmp = char2wchar_t(tmp)) != NULL) {
1232 wtmp2 = wcspart(wtmp, grp_fmt.len_from, TRUE);
1233 if (wcstombs(tmp, wtmp2, sizeof(tmp) - 1) != (size_t) -1)
1234 strcat(buffer, tmp);
1235
1236 free(wtmp);
1237 free(wtmp2);
1238 }
1239 #else
1240 len_start = strwidth(buffer);
1241 get_author(FALSE, &arts[j], buffer + strlen(buffer), grp_fmt.len_from);
1242 fill = grp_fmt.len_from - (strwidth(buffer) - len_start);
1243 gap = strlen(buffer);
1244 for (k = 0; k < fill; k++)
1245 buffer[gap + k] = ' ';
1246 buffer[gap + fill] = '\0';
1247 #endif /* MULTIBYTE_ABLE && !NO_LOCALE */
1248 }
1249 break;
1250
1251 case 'I': /* initials */
1252 len = MIN(grp_fmt.len_initials, sizeof(tmp) - 1);
1253 get_initials(&arts[j], tmp, len);
1254 strcat(buffer, tmp);
1255 if ((k = len - strwidth(tmp)) > 0) {
1256 buf = buffer + strlen(buffer);
1257 for (; k > 0; --k)
1258 *buf++ = ' ';
1259 *buf = '\0';
1260 }
1261 break;
1262
1263 case 'L': /* lines */
1264 if (arts[j].line_count != -1)
1265 strcat(buffer, tin_ltoa(arts[j].line_count, grp_fmt.len_linecnt));
1266 else {
1267 buf = buffer + strlen(buffer);
1268 for (k = grp_fmt.len_linecnt; k > 1; --k)
1269 *buf++ = ' ';
1270 *buf++ = '?';
1271 *buf = '\0';
1272 }
1273 break;
1274
1275 case 'm': /* article flags, tag number, or whatever */
1276 if (!grp_fmt.mark_offset)
1277 grp_fmt.mark_offset = mark_offset = strwidth(buffer) + 2;
1278 if ((k = line_is_tagged(respnum)))
1279 STRCPY(tmp_buf, tin_ltoa(k, 3));
1280 else
1281 snprintf(tmp_buf, sizeof(tmp_buf), " %c", sbuf.art_mark);
1282 strcat(buffer, tmp_buf);
1283 break;
1284
1285 case 'M': /* message-id */
1286 len = MIN(grp_fmt.len_msgid, sizeof(tmp) - 1);
1287 strncpy(tmp, arts[j].refptr ? arts[j].refptr->txt : "", len);
1288 tmp[len] = '\0';
1289 strcat(buffer, tmp);
1290 if ((k = len - strwidth(tmp)) > 0) {
1291 buf = buffer + strlen(buffer);
1292 for (; k > 0; --k)
1293 *buf++ = ' ';
1294 *buf = '\0';
1295 }
1296 break;
1297
1298 case 'n':
1299 strcat(buffer, tin_ltoa(i + 1, grp_fmt.len_linenumber));
1300 break;
1301
1302 case 'R':
1303 n = ((curr_group->attribute->show_only_unread_arts) ? (sbuf.unread + sbuf.seen) : sbuf.total);
1304 if (n > 1)
1305 strcat(buffer, tin_ltoa(n, grp_fmt.len_respcnt));
1306 else {
1307 buf = buffer + strlen(buffer);
1308 for (k = grp_fmt.len_respcnt; k > 0; --k)
1309 *buf++ = ' ';
1310 *buf = '\0';
1311 }
1312 break;
1313
1314 case 'S': /* score */
1315 strcat(buffer, tin_ltoa(sbuf.score, grp_fmt.len_score));
1316 break;
1317
1318 case 's': /* thread/subject */
1319 len = curr_group->attribute->show_author != SHOW_FROM_NONE ? grp_fmt.len_subj : grp_fmt.len_subj + grp_fmt.len_from;
1320
1321 if (sbuf.multipart_have > 1) /* We have a multipart msg so lets built our new header info. */
1322 build_multipart_header(arts_sub, len, arts[j].subject, sbuf.multipart_compare_len, sbuf.multipart_have, sbuf.multipart_total);
1323 else
1324 STRCPY(arts_sub, arts[j].subject);
1325
1326 #if defined(MULTIBYTE_ABLE) && !defined(NO_LOCALE)
1327 if ((wtmp = char2wchar_t(arts_sub)) != NULL) {
1328 wtmp2 = wcspart(wtmp, len, TRUE);
1329 if (wcstombs(tmp, wtmp2, sizeof(tmp) - 1) != (size_t) -1)
1330 strcat(buffer, tmp);
1331
1332 free(wtmp);
1333 free(wtmp2);
1334 }
1335 #else
1336 len_start = strwidth(buffer);
1337 strncat(buffer, arts_sub, len);
1338 fill = len - (strwidth(buffer) - len_start);
1339 gap = strlen(buffer);
1340 for (k = 0; k < fill; k++)
1341 buffer[gap + k] = ' ';
1342 buffer[gap + fill] = '\0';
1343 #endif /* MULTIBYTE_ABLE && !NO_LOCALE */
1344 break;
1345
1346 default:
1347 break;
1348 }
1349 }
1350 /* protect display from non-displayable characters (e.g., form-feed) */
1351 convert_to_printable(buffer, FALSE);
1352
1353 #ifndef USE_CURSES
1354 if (tinrc.strip_blanks)
1355 strcat(strip_line(buffer), cCRLF);
1356 #endif /* !USE_CURSES */
1357
1358 WriteLine(INDEX2LNUM(i), buffer);
1359
1360 #ifdef USE_CURSES
1361 free(buffer);
1362 #endif /* USE_CURSES */
1363 if (sbuf.art_mark == tinrc.art_marked_selected)
1364 draw_mark_selected(i);
1365 }
1366
1367
1368 static void
1369 show_group_title(
1370 t_bool clear_title)
1371 {
1372 char buf[LEN], tmp[LEN], flag;
1373 int i, art_cnt = 0, recent_art_cnt = 0, selected_art_cnt = 0, read_selected_art_cnt = 0, killed_art_cnt = 0;
1374
1375 for_each_art(i) {
1376 if (arts[i].thread == ART_EXPIRED)
1377 continue;
1378
1379 if (curr_group->attribute->show_only_unread_arts) {
1380 if (arts[i].status != ART_READ) {
1381 art_cnt++;
1382 if (tinrc.recent_time && ((time((time_t *) 0) - arts[i].date) < (tinrc.recent_time * DAY)))
1383 recent_art_cnt++;
1384 }
1385 if (arts[i].killed == ART_KILLED_UNREAD)
1386 killed_art_cnt++;
1387 } else {
1388 art_cnt++;
1389 if (tinrc.recent_time && ((time((time_t *) 0) - arts[i].date) < (tinrc.recent_time * DAY)))
1390 recent_art_cnt++;
1391
1392 if (arts[i].killed)
1393 killed_art_cnt++;
1394 }
1395 if (arts[i].selected) {
1396 if (arts[i].status != ART_READ)
1397 selected_art_cnt++;
1398 else
1399 read_selected_art_cnt++;
1400 }
1401 }
1402
1403 /*
1404 * build the group title
1405 */
1406 /* group name and thread count */
1407 snprintf(buf, sizeof(buf), "%s (%d%c",
1408 curr_group->name, grpmenu.max,
1409 *txt_threading[curr_group->attribute->thread_articles]);
1410
1411 /* article count */
1412 if ((cmdline.args & CMDLINE_GETART_LIMIT) ? cmdline.getart_limit : tinrc.getart_limit)
1413 snprintf(tmp, sizeof(tmp), " %d/%d%c",
1414 (cmdline.args & CMDLINE_GETART_LIMIT) ? cmdline.getart_limit : tinrc.getart_limit, art_cnt,
1415 (curr_group->attribute->show_only_unread_arts ? tinrc.art_marked_unread : tinrc.art_marked_read));
1416 else
1417 snprintf(tmp, sizeof(tmp), " %d%c",
1418 art_cnt,
1419 (curr_group->attribute->show_only_unread_arts ? tinrc.art_marked_unread : tinrc.art_marked_read));
1420 if (sizeof(buf) > strlen(buf) + strlen(tmp))
1421 strcat(buf, tmp);
1422
1423 /* selected articles */
1424 if (curr_group->attribute->show_only_unread_arts)
1425 snprintf(tmp, sizeof(tmp), " %d%c",
1426 selected_art_cnt, tinrc.art_marked_selected);
1427 else
1428 snprintf(tmp, sizeof(tmp), " %d%c %d%c",
1429 selected_art_cnt, tinrc.art_marked_selected,
1430 read_selected_art_cnt, tinrc.art_marked_read_selected);
1431 if (sizeof(buf) > strlen(buf) + strlen(tmp))
1432 strcat(buf, tmp);
1433
1434 /* recent articles */
1435 if (tinrc.recent_time) {
1436 snprintf(tmp, sizeof(tmp), " %d%c",
1437 recent_art_cnt, tinrc.art_marked_recent);
1438
1439 if (sizeof(buf) > strlen(buf) + strlen(tmp))
1440 strcat(buf, tmp);
1441 }
1442
1443 /* killed articles */
1444 snprintf(tmp, sizeof(tmp), " %d%c",
1445 killed_art_cnt, tinrc.art_marked_killed);
1446 if (sizeof(buf) > strlen(buf) + strlen(tmp))
1447 strcat(buf, tmp);
1448
1449 /* group flag */
1450 if ((flag = group_flag(curr_group->moderated)) == ' ')
1451 snprintf(tmp, sizeof(tmp), ")");
1452 else
1453 snprintf(tmp, sizeof(tmp), ") %c", flag);
1454 if (sizeof(buf) > strlen(buf) + strlen(tmp))
1455 strcat(buf, tmp);
1456
1457 if (clear_title) {
1458 MoveCursor(0, 0);
1459 CleartoEOLN();
1460 }
1461 show_title(buf);
1462 }
1463
1464
1465 /*
1466 * Search for type SUBJ/AUTH in direction (TRUE = forwards)
1467 * Return 0 if all is done, or a >0 thread_depth to enter the thread menu
1468 */
1469 static int
1470 do_search(
1471 t_function func,
1472 t_bool repeat)
1473 {
1474 int start, n;
1475
1476 if (grpmenu.curr < 0)
1477 return 0;
1478
1479 /*
1480 * Not intuitive to search current thread in fwd search
1481 */
1482 start = ((func == GLOBAL_SEARCH_SUBJECT_FORWARD || func == GLOBAL_SEARCH_AUTHOR_FORWARD)
1483 && grpmenu.curr < grpmenu.max - 1) ? prev_response((int) base[grpmenu.curr + 1]) : (int) base[grpmenu.curr];
1484
1485 if (start >= 0 && ((n = search(func, start, repeat)) != -1)) {
1486 grpmenu.curr = which_thread(n);
1487
1488 /*
1489 * If the search found something deeper in a thread(not the base art)
1490 * then enter the thread
1491 */
1492 if ((n = which_response(n)) != 0)
1493 return n;
1494
1495 show_group_page();
1496 }
1497 return 0;
1498 }
1499
1500
1501 /*
1502 * We don't directly invoke the pager, but pass through the thread menu
1503 * to keep navigation sane.
1504 * 'art' is the arts[art] we wish to read
1505 * ignore_unavail should be set if we wish to 'keep going' after 'article unavailable'
1506 * Return a -ve ret_code if we must exit the group menu on return
1507 */
1508 static int
1509 enter_pager(
1510 int art,
1511 t_bool ignore_unavail)
1512 {
1513 t_pagerinfo page;
1514
1515 page.art = art;
1516 page.ignore_unavail = ignore_unavail;
1517
1518 return enter_thread(0, &page);
1519 }
1520
1521
1522 /*
1523 * Handle entry/exit with the thread menu
1524 * Return -ve ret_code if we must exit the group menu on return
1525 */
1526 static int
1527 enter_thread(
1528 int depth,
1529 t_pagerinfo *page)
1530 {
1531 int i, n;
1532
1533 if (grpmenu.curr < 0) {
1534 info_message(_(txt_no_arts));
1535 return 0;
1536 }
1537
1538 forever {
1539 switch (i = thread_page(curr_group, (int) base[grpmenu.curr], depth, page)) {
1540 case GRP_QUIT: /* 'Q'uit */
1541 case GRP_RETSELECT: /* Back to selection screen */
1542 return i;
1543 /* NOTREACHED */
1544 break;
1545
1546 case GRP_NEXT: /* 'c'atchup */
1547 show_group_page();
1548 move_down();
1549 return 0;
1550 /* NOTREACHED */
1551 break;
1552
1553 case GRP_NEXTUNREAD: /* 'C'atchup */
1554 if ((n = next_unread((int) base[grpmenu.curr])) >= 0) {
1555 if (page)
1556 page->art = n;
1557 if ((n = which_thread(n)) >= 0) {
1558 grpmenu.curr = n;
1559 depth = 0;
1560 break; /* Drop into next thread with unread */
1561 }
1562 }
1563 /* No more unread threads in this group, enter next group */
1564 grpmenu.curr = 0;
1565 return GRP_NEXTUNREAD;
1566 /* NOTREACHED */
1567 break;
1568
1569 case GRP_KILLED:
1570 grpmenu.curr = 0;
1571 /* FALLTHROUGH */
1572
1573 case GRP_EXIT:
1574 /* case GRP_GOTOTHREAD will never make it up this far */
1575 default: /* ie >= 0 Shouldn't happen any more? */
1576 clear_note_area();
1577 show_group_page();
1578 return 0;
1579 /* NOTREACHED */
1580 break;
1581 }
1582 }
1583 /* NOTREACHED */
1584 return 0;
1585 }
1586
1587
1588 /*
1589 * Return a ret_code
1590 */
1591 static int
1592 tab_pressed(
1593 void)
1594 {
1595 int n;
1596
1597 if ((n = ((grpmenu.curr < 0) ? -1 : next_unread((int) base[grpmenu.curr]))) < 0)
1598 return GRP_NEXTUNREAD; /* => Enter next unread group */
1599
1600 /* We still have unread arts in the current group ... */
1601 return enter_pager(n, TRUE);
1602 }
1603
1604
1605 /*
1606 * There are three ways this is called
1607 * catchup & return to group menu
1608 * catchup & go to next group with unread articles
1609 * group exit via left arrow if auto-catchup is set
1610 * Return a -ve ret_code if we're done with the group menu
1611 */
1612 static int
1613 group_catchup(
1614 t_function func)
1615 {
1616 char buf[LEN];
1617 int pyn = 1;
1618
1619 if (num_of_tagged_arts && prompt_yn(_(txt_catchup_despite_tags), TRUE) != 1)
1620 return 0;
1621
1622 snprintf(buf, sizeof(buf), _(txt_mark_arts_read), (func == CATCHUP_NEXT_UNREAD) ? _(txt_enter_next_unread_group) : "");
1623
1624 if (!curr_group->newsrc.num_unread || (!TINRC_CONFIRM_ACTION) || (pyn = prompt_yn(buf, TRUE)) == 1)
1625 grp_mark_read(curr_group, arts);
1626
1627 switch (func) {
1628 case CATCHUP: /* 'c' */
1629 if (pyn == 1)
1630 return GRP_NEXT;
1631 break;
1632
1633 case CATCHUP_NEXT_UNREAD: /* 'C' */
1634 if (pyn == 1)
1635 return GRP_NEXTUNREAD;
1636 break;
1637
1638 case SPECIAL_CATCHUP_LEFT: /* <- group catchup on exit */
1639 switch (pyn) {
1640 case -1: /* ESCAPE - do nothing */
1641 break;
1642
1643 case 1: /* We caught up - advance group */
1644 return GRP_NEXT;
1645 /* NOTREACHED */
1646 break;
1647
1648 default: /* Just leave the group */
1649 return GRP_EXIT;
1650 /* NOTREACHED */
1651 break;
1652 }
1653 /* FALLTHROUGH */
1654 default: /* Should not be here */
1655 break;
1656 }
1657 return 0; /* Stay in this menu by default */
1658 }
1659
1660
1661 static t_bool
1662 prompt_getart_limit(
1663 void)
1664 {
1665 char *p;
1666 t_bool ret = FALSE;
1667
1668 clear_message();
1669 if ((p = tin_getline(_(txt_enter_getart_limit), 2, 0, 0, FALSE, HIST_OTHER)) != NULL) {
1670 tinrc.getart_limit = atoi(p);
1671 ret = TRUE;
1672 }
1673 clear_message();
1674 return ret;
1675 }
1676
1677
1678 /*
1679 * Redraw all necessary parts of the screen after FEED_MARK_(UN)READ
1680 * Move cursor to next unread item if needed
1681 *
1682 * Returns TRUE when no next unread art, FALSE otherwise
1683 */
1684 t_bool
1685 group_mark_postprocess(
1686 int function,
1687 t_function feed_type,
1688 int respnum)
1689 {
1690 int n;
1691
1692 show_group_title(TRUE);
1693 switch (function) {
1694 case (FEED_MARK_READ):
1695 if (feed_type == FEED_THREAD || feed_type == FEED_ARTICLE)
1696 build_sline(grpmenu.curr);
1697 else
1698 show_group_page();
1699
1700 if ((n = next_unread(next_response(respnum))) == -1) {
1701 draw_subject_arrow();
1702 return TRUE;
1703 }
1704
1705 move_to_item(which_thread(n));
1706 break;
1707
1708 case (FEED_MARK_UNREAD):
1709 if (feed_type == FEED_THREAD || feed_type == FEED_ARTICLE)
1710 build_sline(grpmenu.curr);
1711 else
1712 show_group_page();
1713
1714 draw_subject_arrow();
1715 break;
1716
1717 default:
1718 break;
1719 }
1720 return FALSE;
1721 }