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rt-page.c
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rt-page.c
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/* rt-page.c
* vi: set sw=4 ts=8 ai sm noet :
*/
/* This software is copyrighted as detailed in the LICENSE file. */
#include "EXTERN.h"
#include "common.h"
#include "list.h"
#include "hash.h"
#include "cache.h"
#include "term.h"
#include "ngdata.h"
#include "nntpclient.h"
#include "datasrc.h"
#include "nntp.h"
#include "trn.h"
#include "env.h"
#include "util.h"
#include "util2.h"
#include "utf.h"
#include "opt.h"
#include "only.h"
#include "addng.h"
#include "rcln.h"
#include "rcstuff.h"
#include "rthread.h"
#include "rt-select.h"
#include "rt-util.h"
#include "univ.h"
#include "color.h"
#include "INTERN.h"
#include "rt-page.h"
#include "rt-page.ih"
bool
set_sel_mode(ch)
char_int ch;
{
switch (ch) {
case 'a':
set_selector(sel_defaultmode = SM_ARTICLE, 0);
break;
case 's':
set_selector(sel_defaultmode = SM_SUBJECT, 0);
break;
case 't':
if (in_ng && !ThreadedGroup) {
bool always_save = thread_always;
ThreadedGroup = TRUE;
thread_always = TRUE;
if (sel_rereading)
firstart = absfirst;
printf("\nThreading the group. "), fflush(stdout);
termdown(1);
thread_open();
thread_always = always_save;
if (last_cached < lastart)
ThreadedGroup = FALSE;
}
/* FALL THROUGH */
case 'T':
set_selector(sel_defaultmode = SM_THREAD, 0);
break;
default:
set_selector(sel_defaultmode, 0);
return FALSE;
}
return TRUE;
}
char*
get_sel_order(smode)
int smode;
{
int save_sel_mode = sel_mode;
set_selector(smode, 0);
sprintf(buf,"%s%s", sel_direction < 0? "reverse " : nullstr,
sel_sort_string);
sel_mode = save_sel_mode;
set_selector(0, 0);
return buf;
}
bool
set_sel_order(smode,str)
int smode;
char* str;
{
bool reverse = 0;
char ch;
if (*str == 'r' || *str == 'R') {
while (*str && *str != ' ') str++;
while (*str == ' ') str++;
reverse = 1;
}
ch = *str;
if (reverse)
ch = islower(ch)? toupper(ch) : ch;
else
ch = isupper(ch)? tolower(ch) : ch;
return set_sel_sort(smode,ch);
}
bool
set_sel_sort(smode,ch)
int smode;
char_int ch;
{
int save_sel_mode = sel_mode;
int ssort;
switch (ch) {
case 'd': case 'D':
ssort = SS_DATE;
break;
case 's': case 'S':
ssort = SS_STRING;
break;
case 'a': case 'A':
ssort = SS_AUTHOR;
break;
case 'c': case 'C':
ssort = SS_COUNT;
break;
case 'n': case 'N':
ssort = SS_NATURAL;
break;
case 'g': case 'G':
ssort = SS_GROUPS;
break;
case 'l': case 'L':
ssort = SS_LINES;
break;
case 'p': case 'P':
ssort = SS_SCORE;
break;
default:
return FALSE;
}
sel_mode = smode;
if (isupper(ch))
set_selector(0, -ssort);
else
set_selector(0, ssort);
if (sel_mode != save_sel_mode) {
sel_mode = save_sel_mode;
set_selector(0, 0);
}
return TRUE;
}
void
set_selector(smode, ssort)
int smode;
int ssort;
{
if (smode == 0) {
if (sel_mode == SM_SUBJECT)
sel_mode = sel_threadmode;
smode = sel_mode;
}
else
sel_mode = smode;
if (!ssort) {
switch (sel_mode) {
case SM_MULTIRC:
ssort = SS_NATURAL;
break;
case SM_ADDGROUP:
ssort = sel_addgroupsort;
break;
case SM_NEWSGROUP:
ssort = sel_newsgroupsort;
break;
case SM_OPTIONS:
ssort = SS_NATURAL;
break;
case SM_THREAD:
case SM_SUBJECT:
ssort = sel_threadsort;
break;
case SM_ARTICLE:
ssort = sel_artsort;
break;
case SM_UNIVERSAL:
ssort = sel_univsort;
break;
}
}
if (ssort > 0) {
sel_direction = 1;
sel_sort = ssort;
}
else {
sel_direction = -1;
sel_sort = -ssort;
}
if (sel_mode == SM_THREAD && !ThreadedGroup)
sel_mode = SM_SUBJECT;
switch (sel_mode) {
case SM_MULTIRC:
sel_mode_string = "a newsrc group";
break;
case SM_ADDGROUP:
sel_mode_string = "a newsgroup to add";
sel_addgroupsort = ssort;
break;
case SM_NEWSGROUP:
sel_mode_string = "a newsgroup";
sel_newsgroupsort = ssort;
break;
case SM_OPTIONS:
sel_mode_string = "an option to change";
break;
case SM_UNIVERSAL:
sel_mode_string = "an item";
sel_univsort = ssort;
break;
case SM_THREAD:
sel_mode_string = "threads";
sel_threadmode = smode;
sel_threadsort = ssort;
goto thread_subj_sort;
case SM_SUBJECT:
sel_mode_string = "subjects";
sel_threadmode = smode;
sel_threadsort = ssort;
thread_subj_sort:
if (sel_sort == SS_AUTHOR || sel_sort == SS_GROUPS
|| sel_sort == SS_NATURAL)
sel_sort = SS_DATE;
break;
case SM_ARTICLE:
sel_mode_string = "articles";
sel_artsort = ssort;
if (sel_sort == SS_COUNT)
sel_sort = SS_DATE;
break;
}
switch (sel_sort) {
case SS_DATE:
sel_sort_string = "date";
break;
case SS_STRING:
sel_sort_string = "subject";
break;
case SS_AUTHOR:
sel_sort_string = "author";
break;
case SS_COUNT:
sel_sort_string = "count";
break;
case SS_LINES:
sel_sort_string = "lines";
break;
case SS_NATURAL:
sel_sort_string = "natural";
break;
case SS_GROUPS:
if (sel_mode == SM_NEWSGROUP)
sel_sort_string = "group name";
else
sel_sort_string = "SubjDate";
break;
case SS_SCORE:
sel_sort_string = "points";
break;
}
}
static void
sel_page_init()
{
sel_max_line_cnt = tc_LINES - (tc_COLS - mousebar_width < 50? 6 : 5);
sel_chars = getval("SELECTCHARS", SELECTCHARS);
/* The numeric option of up to 99 lines will require many adaptations
* to be able to switch from a large numeric page (more than
* strlen(sel_chars) lines) to an alphanumeric page. XXX
*/
if (UseSelNum)
sel_max_per_page = 99;
else
sel_max_per_page = strlen(sel_chars);
if (sel_max_per_page > MAX_SEL)
sel_max_per_page = MAX_SEL;
if (sel_max_per_page > sel_max_line_cnt)
sel_max_per_page = sel_max_line_cnt;
sel_page_obj_cnt = 0;
sel_page_item_cnt = 0;
}
void
init_pages(fill_last_page)
bool_int fill_last_page;
{
SEL_UNION no_search;
no_search.op = -1;
sel_page_init();
try_again:
sel_prior_obj_cnt = sel_total_obj_cnt = 0;
switch (sel_mode) {
case SM_MULTIRC: {
MULTIRC* mp;
for (mp = multirc_low(); mp; mp = multirc_next(mp)) {
if (mp->first) {
mp->flags |= MF_INCLUDED;
sel_total_obj_cnt++;
}
else
mp->flags &= ~MF_INCLUDED;
}
if (sel_page_mp == NULL)
(void) first_page();
break;
}
case SM_NEWSGROUP: {
NGDATA* np;
bool save_the_rest = FALSE;
group_init_done = TRUE;
sort_newsgroups();
selected_count = 0;
obj_count = 0;
for (np = first_ng; np; np = np->next) {
if (sel_page_np == np)
sel_prior_obj_cnt = sel_total_obj_cnt;
np->flags &= ~NF_INCLUDED;
if (np->toread < TR_NONE)
continue;
if (!inlist(np->rcline))
continue;
if (np->abs1st)
;
else if (save_the_rest) {
group_init_done = FALSE;
np->toread = !sel_rereading;
}
else {
/*ngptr = np; ??*/
/*set_ngname(np->rcline);*/
set_toread(np, ST_LAX);
if (!np->rc->datasrc->act_sf.fp)
save_the_rest = (sel_rereading ^ (np->toread > TR_NONE));
}
if (paranoid) {
current_ng = ngptr = np;
/* this may move newsgroups around */
cleanup_newsrc(np->rc);
goto try_again;
}
if (!(np->flags & sel_mask)
&& (sel_rereading? np->toread != TR_NONE
: np->toread < ng_min_toread))
continue;
obj_count++;
if (!sel_exclusive || (np->flags & sel_mask)) {
if (np->flags & sel_mask)
selected_count++;
else if (sel_rereading)
np->flags |= NF_DEL;
np->flags |= NF_INCLUDED;
sel_total_obj_cnt++;
}
}
if (!sel_total_obj_cnt) {
if (sel_exclusive) {
sel_exclusive = FALSE;
sel_page_np = NULL;
goto try_again;
}
if (maxngtodo) {
end_only();
fputs(msg, stdout);
newline();
if (fill_last_page)
get_anything();
sel_page_np = NULL;
goto try_again;
}
}
if (!sel_page_np)
(void) first_page();
else if (sel_page_np == last_ng)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
break;
}
case SM_ADDGROUP: {
ADDGROUP* gp;
sort_addgroups();
obj_count = 0;
for (gp = first_addgroup; gp; gp = gp->next) {
if (sel_page_gp == gp)
sel_prior_obj_cnt = sel_total_obj_cnt;
gp->flags &= ~AGF_INCLUDED;
if (!sel_rereading ^ !(gp->flags & AGF_EXCLUDED))
continue;
if (!sel_exclusive || (gp->flags & sel_mask)) {
if (sel_rereading && !(gp->flags & sel_mask))
gp->flags |= AGF_DEL;
gp->flags |= AGF_INCLUDED;
sel_total_obj_cnt++;
}
obj_count++;
}
if (!sel_total_obj_cnt && sel_exclusive) {
sel_exclusive = FALSE;
sel_page_gp = NULL;
goto try_again;
}
if (sel_page_gp == NULL)
(void) first_page();
else if (sel_page_gp == last_addgroup)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
break;
}
case SM_UNIVERSAL: {
UNIV_ITEM* ui;
bool ui_elig;
obj_count = 0;
sort_univ();
for (ui = first_univ; ui; ui = ui->next) {
if (sel_page_univ == ui)
sel_prior_obj_cnt = sel_total_obj_cnt;
ui->flags &= ~UF_INCLUDED;
ui_elig = TRUE;
switch (ui->type) {
case UN_GROUP_DESEL:
case UN_VGROUP_DESEL:
case UN_DELETED:
case UN_VGROUP: /* first-pass item */
/* always ineligible items */
ui_elig = FALSE;
break;
case UN_NEWSGROUP: {
NGDATA* np;
if (!ui->data.group.ng) {
ui_elig = FALSE;
break;
}
np = find_ng(ui->data.group.ng);
if (!np) {
ui_elig = FALSE;
break;
}
if (!np->abs1st) {
toread_quiet = TRUE;
set_toread(np, ST_LAX);
toread_quiet = FALSE;
}
if (!(sel_rereading ^ (np->toread>TR_NONE))) {
ui_elig = FALSE;
}
break;
}
case UN_ARTICLE:
/* later: use the datasrc of the newsgroup */
ui_elig = !was_read_group(datasrc, ui->data.virt.num,
ui->data.virt.ng);
if (sel_rereading)
ui_elig = !ui_elig;
break;
default:
ui_elig = !sel_rereading;
break;
}
if (!ui_elig)
continue;
if (!sel_exclusive || (ui->flags & sel_mask)) {
if (sel_rereading && !(ui->flags & sel_mask))
ui->flags |= UF_DEL;
ui->flags |= UF_INCLUDED;
sel_total_obj_cnt++;
}
obj_count++;
}
if (!sel_total_obj_cnt && sel_exclusive) {
sel_exclusive = FALSE;
sel_page_univ = NULL;
goto try_again;
}
if (sel_page_univ == NULL)
(void) first_page();
else if (sel_page_univ == last_univ)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
break;
}
case SM_OPTIONS: {
int op;
int included = 0;
obj_count = 0;
for (op = 1; options_ini[op].checksum; op++) {
if (sel_page_op == op)
sel_prior_obj_cnt = sel_total_obj_cnt;
if (*options_ini[op].item == '*') {
included = (option_flags[op] & OF_SEL);
sel_total_obj_cnt++;
option_flags[op] |= OF_INCLUDED;
}
else if (included) {
sel_total_obj_cnt++;
option_flags[op] |= OF_INCLUDED;
}
else
option_flags[op] &= ~OF_INCLUDED;
obj_count++;
}
#if 0
if (!sel_total_obj_cnt && sel_exclusive) {
sel_exclusive = FALSE;
sel_page_op = NULL;
goto try_again;
}
#endif
if (sel_page_op < 1)
(void) first_page();
else if (sel_page_op >= obj_count)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
break;
}
case SM_ARTICLE: {
ARTICLE* ap;
ARTICLE** app;
ARTICLE** limit;
if (sel_page_app) {
int desired_flags = (sel_rereading? AF_EXISTS:(AF_EXISTS|AF_UNREAD));
limit = artptr_list + artptr_list_size;
ap = NULL;
for (app = sel_page_app; app < limit; app++) {
ap = *app;
if ((ap->flags & (AF_EXISTS|AF_UNREAD)) == desired_flags)
break;
}
sort_articles();
if (ap == NULL)
sel_page_app = artptr_list + artptr_list_size;
else {
for (app = artptr_list; app < limit; app++) {
if (*app == ap) {
sel_page_app = app;
break;
}
}
}
} else
sort_articles();
while (sel_page_sp && sel_page_sp->misc == 0)
sel_page_sp = sel_page_sp->next;
/* The artptr_list contains only unread or read articles, never both */
limit = artptr_list + artptr_list_size;
for (app = artptr_list; app < limit; app++) {
ap = *app;
if (sel_rereading && !(ap->flags & sel_mask))
ap->flags |= AF_DEL;
if (sel_page_app == app
|| (!sel_page_app && ap->subj == sel_page_sp)) {
sel_page_app = app;
sel_prior_obj_cnt = sel_total_obj_cnt;
}
if (!sel_exclusive || (ap->flags & sel_mask)) {
sel_total_obj_cnt++;
ap->flags |= AF_INCLUDED;
} else
ap->flags &= ~AF_INCLUDED;
}
if (sel_exclusive && !sel_total_obj_cnt) {
sel_exclusive = FALSE;
sel_page_app = NULL;
goto try_again;
}
if (!sel_page_app)
(void) first_page();
else if (sel_page_app >= limit)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
break;
}
default: {
SUBJECT* sp;
SUBJECT* group_sp;
int group_arts;
if (sel_page_sp) {
while (sel_page_sp && sel_page_sp->misc == 0)
sel_page_sp = sel_page_sp->next;
sort_subjects();
if (!sel_page_sp)
sel_page_sp = last_subject;
} else
sort_subjects();
for (sp = first_subject; sp; sp = sp->next) {
if (sel_rereading && !(sp->flags & sel_mask))
sp->flags |= SF_DEL;
group_sp = sp;
group_arts = sp->misc;
if (!sel_exclusive || (sp->flags & sel_mask))
sp->flags |= SF_INCLUDED;
else
sp->flags &= ~SF_INCLUDED;
if (sel_page_sp == group_sp)
sel_prior_obj_cnt = sel_total_obj_cnt;
if (sel_mode == SM_THREAD) {
while (sp->next && sp->next->thread == sp->thread) {
sp = sp->next;
if (sp == sel_page_sp) {
sel_prior_obj_cnt = sel_total_obj_cnt;
sel_page_sp = group_sp;
}
sp->flags &= ~SF_INCLUDED;
if (sp->flags & sel_mask)
group_sp->flags |= SF_INCLUDED;
else if (sel_rereading)
sp->flags |= SF_DEL;
group_arts += sp->misc;
}
}
if (group_sp->flags & SF_INCLUDED)
sel_total_obj_cnt += group_arts;
}
if (sel_exclusive && !sel_total_obj_cnt) {
sel_exclusive = FALSE;
sel_page_sp = NULL;
goto try_again;
}
if (!sel_page_sp)
(void) first_page();
else if (sel_page_sp == last_subject)
(void) last_page();
else if (sel_prior_obj_cnt && fill_last_page) {
calc_page(no_search);
if (sel_prior_obj_cnt + sel_page_obj_cnt == sel_total_obj_cnt)
(void) last_page();
}
}
}
}
bool
first_page()
{
sel_prior_obj_cnt = 0;
switch (sel_mode) {
case SM_MULTIRC: {
MULTIRC* mp;
for (mp = multirc_low(); mp; mp = multirc_next(mp)) {
if (mp->flags & MF_INCLUDED) {
if (sel_page_mp != mp) {
sel_page_mp = mp;
return TRUE;
}
break;
}
}
break;
}
case SM_NEWSGROUP: {
NGDATA* np;
for (np = first_ng; np; np = np->next) {
if (np->flags & NF_INCLUDED) {
if (sel_page_np != np) {
sel_page_np = np;
return TRUE;
}
break;
}
}
break;
}
case SM_ADDGROUP: {
ADDGROUP* gp;
for (gp = first_addgroup; gp; gp = gp->next) {
if (gp->flags & AGF_INCLUDED) {
if (sel_page_gp != gp) {
sel_page_gp = gp;
return TRUE;
}
break;
}
}
break;
}
case SM_UNIVERSAL: {
UNIV_ITEM* ui;
for (ui = first_univ; ui; ui = ui->next) {
if (ui->flags & UF_INCLUDED) {
if (sel_page_univ != ui) {
sel_page_univ = ui;
return TRUE;
}
break;
}
}
break;
}
case SM_OPTIONS: {
if (sel_page_op != 1) {
sel_page_op = 1;
return TRUE;
}
break;
}
case SM_ARTICLE: {
ARTICLE** app;
ARTICLE** limit;
limit = artptr_list + artptr_list_size;
for (app = artptr_list; app < limit; app++) {
if ((*app)->flags & AF_INCLUDED) {
if (sel_page_app != app) {
sel_page_app = app;
return TRUE;
}
break;
}
}
break;
}
default: {
SUBJECT* sp;
for (sp = first_subject; sp; sp = sp->next) {
if (sp->flags & SF_INCLUDED) {
if (sel_page_sp != sp) {
sel_page_sp = sp;
return TRUE;
}
break;
}
}
break;
}
}
return FALSE;
}
bool
last_page()
{
sel_prior_obj_cnt = sel_total_obj_cnt;
switch (sel_mode) {
case SM_MULTIRC: {
MULTIRC* mp = sel_page_mp;
sel_page_mp = NULL;
if (!prev_page())
sel_page_mp = mp;
else if (mp != sel_page_mp)
return TRUE;
break;
}
case SM_NEWSGROUP: {
NGDATA* np = sel_page_np;
sel_page_np = NULL;
if (!prev_page())
sel_page_np = np;
else if (np != sel_page_np)
return TRUE;
break;
}
case SM_ADDGROUP: {
ADDGROUP* gp = sel_page_gp;
sel_page_gp = NULL;
if (!prev_page())
sel_page_gp = gp;
else if (gp != sel_page_gp)
return TRUE;
break;
}
case SM_UNIVERSAL: {
UNIV_ITEM* ui = sel_page_univ;
sel_page_univ = NULL;
if (!prev_page())
sel_page_univ = ui;
else if (ui != sel_page_univ)
return TRUE;
break;
}
case SM_OPTIONS: {
int op = sel_page_op;
sel_page_op = obj_count+1;
if (!prev_page())
sel_page_op = op;
else if (op != sel_page_op)
return TRUE;
break;
}
case SM_ARTICLE: {
ARTICLE** app = sel_page_app;
sel_page_app = artptr_list + artptr_list_size;
if (!prev_page())
sel_page_app = app;
else if (app != sel_page_app)
return TRUE;
break;
}
default: {
SUBJECT* sp = sel_page_sp;
sel_page_sp = NULL;
if (!prev_page())
sel_page_sp = sp;
else if (sp != sel_page_sp)
return TRUE;
break;
}
}
return FALSE;
}
bool
next_page()
{
switch (sel_mode) {
case SM_MULTIRC: {
if (sel_next_mp) {
sel_page_mp = sel_next_mp;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
case SM_NEWSGROUP: {
if (sel_next_np) {
sel_page_np = sel_next_np;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
case SM_ADDGROUP: {
if (sel_next_gp) {
sel_page_gp = sel_next_gp;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
case SM_UNIVERSAL: {
if (sel_next_univ) {
sel_page_univ = sel_next_univ;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
case SM_OPTIONS: {
if (sel_next_op <= obj_count) {
sel_page_op = sel_next_op;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
case SM_ARTICLE: {
if (sel_next_app < artptr_list + artptr_list_size) {
sel_page_app = sel_next_app;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
default: {
if (sel_next_sp) {
sel_page_sp = sel_next_sp;
sel_prior_obj_cnt += sel_page_obj_cnt;
return TRUE;
}
break;
}
}
return FALSE;
}
bool
prev_page()
{
int item_cnt = 0;
/* Scan the items in reverse to go back a page */
switch (sel_mode) {
case SM_MULTIRC: {
MULTIRC* mp = sel_page_mp;
MULTIRC* page_mp = sel_page_mp;
if (!mp)
mp = multirc_high();
else
mp = multirc_prev(multirc_ptr(mp->num));
while (mp) {
if (mp->flags & MF_INCLUDED) {
page_mp = mp;
sel_prior_obj_cnt--;
if (++item_cnt >= sel_max_per_page)
break;
}
mp = multirc_prev(mp);
}
if (sel_page_mp != page_mp) {
sel_page_mp = page_mp;
return TRUE;
}
break;
}
case SM_NEWSGROUP: {
NGDATA* np = sel_page_np;
NGDATA* page_np = sel_page_np;
if (!np)
np = last_ng;
else
np = np->prev;
while (np) {
if (np->flags & NF_INCLUDED) {
page_np = np;
sel_prior_obj_cnt--;
if (++item_cnt >= sel_max_per_page)
break;
}
np = np->prev;
}
if (sel_page_np != page_np) {
sel_page_np = page_np;
return TRUE;
}
break;
}
case SM_ADDGROUP: {
ADDGROUP* gp = sel_page_gp;
ADDGROUP* page_gp = sel_page_gp;
if (!gp)
gp = last_addgroup;
else
gp = gp->prev;
while (gp) {
if (gp->flags & AGF_INCLUDED) {
page_gp = gp;
sel_prior_obj_cnt--;
if (++item_cnt >= sel_max_per_page)
break;
}
gp = gp->prev;
}
if (sel_page_gp != page_gp) {
sel_page_gp = page_gp;
return TRUE;
}
break;
}
case SM_UNIVERSAL: {
UNIV_ITEM* ui = sel_page_univ;
UNIV_ITEM* page_ui = sel_page_univ;
if (!ui)
ui = last_univ;
else
ui = ui->prev;
while (ui) {
if (ui->flags & UF_INCLUDED) {
page_ui = ui;
sel_prior_obj_cnt--;