edit.c

   1
   2 /*
   3  * $Id$
   4  *
   5  * by JH <jheinonen@users.sourceforge.net>
   6  *
   7  * Copyright (C) Jaakko Heinonen
   8  */
   9
  10 #include <string.h>
  11 #include <stdlib.h>
  12 #include <ctype.h>
  13 #include <assert.h>
  14 #include "abook_curses.h"
  15 #include "ui.h"
  16 #include "abook.h"
  17 #include "database.h"
  18 #include "gettext.h"
  19 #include "list.h"
  20 #include "edit.h"
  21 #include "misc.h"
  22 #include "views.h"
  23 #include "xmalloc.h"
  24 #include "color.h"
  25 #ifdef HAVE_CONFIG_H
  26 #       include "config.h"
  27 #endif
  28 #if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE)
  29 #       include <locale.h>
  30 #endif
  31
  32
  33 static void locale_date(char *str, size_t str_len, int year, int month, int day);
  34
  35 /*
  36  * some extern variables
  37  */
  38
  39 extern int views_count;
  40
  41 WINDOW *editw;
  42
  43
  44 static void
  45 editor_tab(const int tab)
  46 {
  47         int i, j;
  48         int x_pos = 2; /* current x pos */
  49         char *tab_name;
  50
  51         wattrset(editw, COLOR_PAIR(CP_TAB_BORDER));
  52         mvwhline(editw, TABLINE + 1, 0, UI_HLINE_CHAR, EDITW_COLS);
  53
  54         for(i = 0; i < views_count; i++) {
  55                 view_info(i, &tab_name, NULL);
  56                 int width = strwidth(tab_name) + 5;
  57
  58                 if(x_pos + width + 1 > EDITW_COLS) {
  59                         statusline_addstr(_("Tab name too wide for screen"));
  60                         break;
  61                 }
  62
  63                 mvwaddch(editw,  TABLINE + 1, x_pos,  UI_TEE_CHAR);
  64                 mvwaddch(editw,  TABLINE + 1, x_pos + width - 2, UI_TEE_CHAR);
  65
  66                 mvwaddch(editw,  TABLINE, x_pos,  UI_ULCORNER_CHAR);
  67                 mvwaddch(editw,  TABLINE, x_pos + 1,  UI_LBOXLINE_CHAR);
  68                 wattrset(editw, COLOR_PAIR(CP_TAB_LABEL));
  69                 mvwaddstr(editw, TABLINE, x_pos + 2,  tab_name);
  70                 wattrset(editw, COLOR_PAIR(CP_TAB_BORDER));
  71                 mvwaddch(editw,  TABLINE, x_pos + width - 3, UI_RBOXLINE_CHAR);
  72                 mvwaddch(editw,  TABLINE, x_pos + width - 2, UI_URCORNER_CHAR);
  73
  74                 if(i == tab) {
  75                         mvwaddch(editw,  TABLINE + 1, x_pos, UI_LRCORNER_CHAR);
  76                         for(j = 0; j < width - 3; j++)
  77                                 mvwaddstr(editw,
  78                                         TABLINE + 1, x_pos + j + 1, " ");
  79                         mvwaddch(editw,  TABLINE + 1, x_pos + width - 2,
  80                                 UI_LLCORNER_CHAR);
  81                 }
  82                 x_pos += width;
  83         }
  84 }
  85
  86 void
  87 get_first_email(char *str, int item)
  88 {
  89         char *tmp, *emails = db_email_get(item);
  90
  91         if(!*emails) {
  92                 *str = 0;
  93                 return;
  94         }
  95
  96         strncpy(str, emails, MAX_EMAIL_LEN);
  97         free(emails);
  98         if( (tmp = strchr(str, ',')) )
  99                 *tmp = 0;
 100         else
 101                 str[MAX_EMAIL_LEN - 1] = 0;
 102 }
 103
 104 /* This only rolls emails from the 'email' field, not emails from any
 105  * field of type FIELD_EMAILS.
 106  * TODO: expand to ask for which field to roll if several are present? */
 107 void
 108 roll_emails(int item, enum rotate_dir dir)
 109 {
 110         abook_list *emails = csv_to_abook_list(db_fget(item, EMAIL));
 111
 112         if(!emails)
 113                 return;
 114
 115         free(db_fget(item, EMAIL));
 116         abook_list_rotate(&emails, dir);
 117         db_fput(item, EMAIL, abook_list_to_csv(emails));
 118         abook_list_free(&emails);
 119 }
 120
 121 static void
 122 init_editor()
 123 {
 124         clear();
 125         editw = newwin(EDITW_LINES, EDITW_COLS, EDITW_TOP, EDITW_X);
 126         notimeout(editw, TRUE); /* handling of escape key */
 127
 128         refresh_statusline();
 129 }
 130
 131 enum {
 132         BACKUP_ITEM,
 133         RESTORE_ITEM,
 134         CLEAR_UNDO
 135 };
 136
 137 static int
 138 edit_undo(int item, int mode)
 139 {
 140         static list_item backup = NULL;
 141         static int backed_up_item = -1;
 142
 143         switch(mode) {
 144                 case CLEAR_UNDO:
 145                         if(backup) {
 146                                 item_empty(backup);
 147                                 item_free(&backup);
 148                         }
 149                         break;
 150                 case BACKUP_ITEM:
 151                         if(backup) {
 152                                 item_empty(backup);
 153                                 item_free(&backup);
 154                         }
 155                         backup = item_create();
 156                         item_duplicate(backup, db_item_get(item));
 157                         backed_up_item = item;
 158                         break;
 159                 case RESTORE_ITEM:
 160                         if(backup) {
 161                                 item_empty(db_item_get(backed_up_item));
 162                                 item_copy(db_item_get(backed_up_item), backup);
 163                                 item_free(&backup);
 164                                 return backed_up_item;
 165                         }
 166                         break;
 167                 default:
 168                         assert(0);
 169         }
 170         return item;
 171 }
 172
 173 static void
 174 close_editor()
 175 {
 176         edit_undo(-1, CLEAR_UNDO);
 177         delwin(editw);
 178         refresh_screen();
 179 }
 180
 181 static void
 182 print_editor_header(int item)
 183 {
 184         char *header;
 185         char email[MAX_EMAIL_LEN];
 186
 187         if((header = xmalloc(EDITW_COLS)) == NULL)
 188                 return;
 189
 190         get_first_email(email, item);
 191
 192         if(*email)
 193                 snprintf(header, EDITW_COLS, "%s <%s>",
 194                                 db_name_get(item),
 195                                 email);
 196         else
 197                 snprintf(header, EDITW_COLS, "%s", db_name_get(item));
 198
 199         wattrset(editw, COLOR_PAIR(CP_TAB_LABEL));
 200         mvwaddstr(editw, 0, (EDITW_COLS - strwidth(header)) / 2, header);
 201
 202         free(header);
 203 }
 204
 205 static void
 206 editor_print_data(int tab, int item)
 207 {
 208         int j = 1, nb;
 209         int y, x;
 210         abook_field_list *cur;
 211         char *str;
 212
 213         view_info(tab, NULL, &cur);
 214
 215         for(; cur; cur = cur->next) {
 216
 217                 if(j > 1) {
 218                         getyx(editw, y, x);
 219                         y++;
 220                 } else
 221                         y = FIELDS_START_Y;
 222
 223                 wattrset(editw, COLOR_PAIR(CP_FIELD_NAME));
 224                 mvwprintw(editw, y, FIELDS_START_X, "%c - ",
 225                                 (j < 10) ? '0' + j : 'A' + j - 10);
 226                 mvwaddnstr(editw, y, FIELDS_START_X + 4, cur->field->name,
 227                                 bytes2width(cur->field->name,
 228                                         FIELDNAME_MAX_WIDTH));
 229                 mvwaddch(editw, y, TAB_COLON_POS, ':');
 230
 231                 wattrset(editw, COLOR_PAIR(CP_FIELD_VALUE));
 232                 if((cur->field->type == FIELD_EMAILS) ||
 233                                 (cur->field->type == FIELD_LIST)) {
 234                         abook_list *emails, *e;
 235
 236                         find_field_number(cur->field->key, &nb);
 237                         emails = csv_to_abook_list(db_fget_byid(item, nb));
 238
 239                         for(e = emails; e; e = e->next) {
 240                                 getyx(editw, y, x);
 241                                 mvwaddnstr(editw, y + 1, TAB_COLON_POS + 2,
 242                                                 e->data,
 243                                                 bytes2width(e->data,
 244                                                         FIELD_MAX_WIDTH));
 245                                 mvwaddch(editw, y + 1, TAB_COLON_POS,
 246                                                 UI_VLINE_CHAR);
 247                         }
 248                         if(emails) {
 249                                 mvwaddch(editw, y + 2, TAB_COLON_POS,
 250                                                 UI_LLCORNER_CHAR);
 251                                 mvwhline(editw, y + 2, TAB_COLON_POS + 1,
 252                                                 UI_HLINE_CHAR,
 253                                                 EDITW_COLS - TAB_COLON_POS - 2);
 254                         }
 255                         abook_list_free(&emails);
 256                 } else if(cur->field->type == FIELD_DATE) {
 257                         int day, month, year;
 258                         char buf[64];
 259
 260                         find_field_number(cur->field->key, &nb);
 261                         str = db_fget_byid(item, nb);
 262
 263                         if(parse_date_string(str, &day, &month, &year)) {
 264                                 /* put locale representation of date in buf */
 265                                 locale_date(buf, sizeof(buf), year, month, day);
 266                                 mvwaddnstr(editw, y, TAB_COLON_POS + 2, buf,
 267                                         bytes2width(buf, FIELD_MAX_WIDTH));
 268                         }
 269                 } else {
 270                         find_field_number(cur->field->key, &nb);
 271                         str = safe_str(db_fget_byid(item, nb));
 272                         mvwaddnstr(editw, y, TAB_COLON_POS + 2, str,
 273                                 bytes2width(str, FIELD_MAX_WIDTH));
 274                 }
 275
 276                 j++;
 277         }
 278 }
 279
 280 /*
 281  * function: change_field
 282  *
 283  * parameters:
 284  *  (char *msg)
 285  *   message to display as a prompt
 286  *  (char **field)
 287  *   a pointer to a pointer which will point a new string. if the latter
 288  *   pointer != NULL it will be freed (if user doesn't cancel)
 289  *  (size_t max_len)
 290  *   maximum length of field to read from user
 291  *
 292  * returns (int)
 293  *  a nonzero value if user has cancelled and zero if user has typed a
 294  *  valid string
 295  */
 296 static int
 297 change_field(char *msg, char **field, size_t max_len)
 298 {
 299         char *old;
 300         int ret = 0;
 301
 302         old = *field;
 303
 304         *field = ui_readline(msg, old, max_len - 1, 0);
 305
 306         if(*field) {
 307                 xfree(old);
 308                 if(!**field)
 309                         xfree(*field);
 310         } else {
 311                 *field = old;
 312                 ret = 1;
 313         }
 314
 315         clear_statusline();
 316         refresh_statusline();
 317
 318         return ret;
 319 }
 320
 321 static int
 322 change_name_field(char *msg, char **field, size_t max_len)
 323 {
 324         char *tmp;
 325         int ret;
 326
 327         tmp = xstrdup(*field);
 328         ret = change_field(msg, field, max_len);
 329
 330         if(*field == NULL || ! **field) {
 331                 xfree(*field);
 332                 *field = xstrdup(tmp);
 333         }
 334
 335         xfree(tmp);
 336
 337         return ret;
 338 }
 339
 340 static void
 341 fix_email_str(char *str)
 342 {
 343         for(; *str; str++)
 344                 *str = *str == ',' ? '_' : *str;
 345 }
 346
 347 static void
 348 edit_list(int item, int nb, int isemail)
 349 {
 350         char *field, *msg, *keys;
 351         abook_list *list, *e;
 352         int choice = 1, elem_count;
 353
 354         list = csv_to_abook_list(db_fget_byid(item, nb));
 355
 356         for(e = list, elem_count = 0; e; e = e->next, elem_count++)
 357                 ;
 358
 359         if(elem_count) {
 360                 keys = xstrndup(S_("keybindings_new_123456789|n123456789"),
 361                                 elem_count + 1);
 362                 msg = strdup_printf(_("Choose %s to modify (<1>%s%c%s%s."),
 363                                 isemail ? _("email") : _("item"),
 364                                 (elem_count > 1) ? "-<" : "",
 365                                 (elem_count > 1) ?  '0' + elem_count : ')',
 366                                 (elem_count > 1) ? ">)" : "",
 367                                 (elem_count < MAX_LIST_ITEMS) ?
 368                                         _(" or <n>ew") : ""
 369                                 );
 370                 choice = statusline_askchoice(
 371                                 msg,
 372                                 keys,
 373                                 (elem_count < MAX_LIST_ITEMS) ? 1 : 2
 374                                 );
 375                 free(keys);
 376                 free(msg);
 377         }
 378
 379         if(choice == 0)
 380                 return;
 381
 382         field = (choice > 1) ?
 383                 xstrdup(abook_list_get(list, choice - 2)->data) :
 384                 NULL;
 385
 386         if(change_field(isemail ? _("E-mail: ") : _("Item: "),
 387                                 &field, MAX_EMAIL_LEN))
 388                 return; /* user cancelled ( C-g ) */
 389
 390         /* TODO if list item contains commas, should use quotes instead */
 391         if(field)
 392                 fix_email_str(field);
 393
 394         if(choice == 1)
 395                 abook_list_append(&list, field);
 396         else
 397                 abook_list_replace(&list, choice - 2, field);
 398
 399         if(field)
 400                 xfree(field);
 401
 402         field = abook_list_to_csv(list);
 403         db_fput_byid(item, nb, field ? field : xstrdup(""));
 404         abook_list_free(&list);
 405 }
 406
 407 /*
 408  * available %-sequences:
 409  *   - %y, %Y, %m, %M, %d, %D represent year, month, and day
 410  *     (the uppercase version telling to fill with leading zeros
 411  *     if necessary)
 412  *   - %I for ISO 8601 representation
 413  */
 414 static size_t
 415 format_date(char *str, size_t str_len, char *fmt, int year, int month, int day)
 416 {
 417         char *s = str;
 418         size_t len;
 419
 420         while(*fmt && (s - str + 1 < str_len)) {
 421                 if(*fmt != '%') {
 422                         *s++ = *fmt++;
 423                         continue;
 424                 }
 425
 426                 len = str_len - (str - s);
 427                 switch(*++fmt) {
 428                         case 'y': s += snprintf(s, len, "%d", year); break;
 429                         case 'Y': s += snprintf(s, len, "%04d", year); break;
 430                         case 'm': s += snprintf(s, len, "%d", month); break;
 431                         case 'M': s += snprintf(s, len, "%02d", month); break;
 432                         case 'd': s += snprintf(s, len, "%d", day); break;
 433                         case 'D': s += snprintf(s, len, "%02d", day); break;
 434                         case 'I': s += format_date(s, len,
 435                                                   year ? "%Y-%M-%D" : "--%M-%D",
 436                                                   year, month, day);
 437                                   break;
 438                         case '%': *s++ = '%'; break;
 439                         default: *s++ = '%'; *s++ = *fmt; break;
 440                 }
 441                 fmt++;
 442         }
 443         *s = 0;
 444         return s - str;
 445 }
 446
 447 /*
 448  * str is a buffer of max length str_len, which, after calling, will
 449  * contain a representation of the given [y, m, d] date using the
 450  * current locale (as defined by LC_TIME).
 451  *
 452  * In the absence of any localization, use an ISO 8601 representation.
 453  */
 454 static void
 455 locale_date(char *str, size_t str_len, int year, int month, int day)
 456 {
 457         char *fmt;
 458
 459 #if defined(HAVE_LOCALE_H) && defined(HAVE_SETLOCALE)
 460         fmt = year ?    dcgettext(PACKAGE, "%Y-%M-%D", LC_TIME) :
 461                         dcgettext(PACKAGE, "--%M-%D", LC_TIME);
 462 #else
 463         fmt = "%I";
 464 #endif
 465         format_date(str, str_len, fmt, year, month, day);
 466 }
 467
 468 static int is_valid_date(const int day, const int month, const int year)
 469 {
 470         int valid = 1;
 471         int month_length[13] =
 472                 { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 473
 474         /*
 475          * leap year
 476          */
 477         if ((!(year % 4)) && ((year % 100) || !(year % 400)))
 478                 month_length[2] = 29;
 479
 480         if (month < 1 || month > 12)
 481                 valid = 0;
 482         else if (day < 1 || day > month_length[month])
 483                 valid = 0;
 484         else if (year < 0) /* we don't accept negative year numbers */
 485                 valid = 0;
 486
 487         return valid;
 488 }
 489
 490 int
 491 parse_date_string(char *str, int *day, int *month, int *year)
 492 {
 493         int i = 0;
 494         char buf[12], *s, *p;
 495
 496         assert(day && month && year);
 497
 498         if(!str || !*str)
 499                 return FALSE;
 500
 501         p = s = strncpy(buf, str, sizeof(buf));
 502
 503         if(*s == '-' && *s++ == '-') { /* omitted year */
 504                 *year = 0;
 505                 p = ++s;
 506                 i++;
 507         }
 508
 509         while(*s) {
 510                 if(isdigit(*s)) {
 511                         s++;
 512                         continue;
 513                 } else if(*s == '-') {
 514                         if(++i > 3)
 515                                 return FALSE;
 516                         *s++ = '\0';
 517                         switch(i) {
 518                                 case 1: *year = safe_atoi(p); break;
 519                                 case 2: *month = safe_atoi(p); break;
 520                         }
 521                         p = s;
 522                 } else
 523                         return FALSE;
 524         }
 525
 526         if (i != 2 || !*p)
 527                 return FALSE;
 528
 529         *day = atoi(p);
 530
 531         return is_valid_date(*day, *month, *year);
 532 }
 533
 534 static void
 535 edit_date(int item, int nb)
 536 {
 537         int i, date[3], old;
 538         char *s = db_fget_byid(item, nb);
 539         char *field[] = { N_("Day: "), N_("Month: "), N_("Year (optional): ") };
 540
 541         old = parse_date_string(s, &date[0], &date[1], &date[2]);
 542
 543         for(i = 0; i < 3; i++) {
 544                 s = (old && date[i]) ? strdup_printf("%d", date[i]) : NULL;
 545                 if(change_field(gettext(field[i]), &s, 5))
 546                         return; /* user aborted with ^G */
 547
 548                 date[i] = (s && is_number(s)) ? atoi(s) : 0;
 549
 550                 if(!s) {
 551                         switch(i) {
 552                                 case 0: db_fput_byid(item, nb, NULL); /*delete*/
 553                                 case 1: /* fall through */ return;
 554                         }
 555                 } else
 556                         xfree(s);
 557         }
 558
 559         /* ISO 8601 date, of the YYYY-MM-DD or --MM-DD format */
 560         if(is_valid_date(date[0], date[1], date[2])) {
 561                 if(date[2])
 562                         s = strdup_printf("%04d-%02d-%02d",
 563                                 date[2], date[1], date[0]);
 564                 else
 565                         s = strdup_printf("--%02d-%02d", date[1], date[0]);
 566
 567                 db_fput_byid(item, nb, xstrdup(s));
 568         } else
 569                 statusline_msg(_("Invalid date"));
 570 }
 571
 572 /* input range: 1-9A-Z
 573  * output range: 0-34 */
 574 static int
 575 key_to_field_number(char c)
 576 {
 577         int n = c - '1';
 578         if(n >= 0 && n < 9)
 579                 return n;
 580
 581         n = c - 'A' + 9;
 582         if(n > 8 && n < 35)
 583                 return n;
 584
 585         return -1;
 586 }
 587
 588 static void
 589 edit_field(int tab, char c, int item_number)
 590 {
 591         ui_enable_mouse(FALSE);
 592         int i = 0, number, idx;
 593         char *msg;
 594         abook_field_list *f;
 595         list_item item;
 596
 597         if((number = key_to_field_number(c)) < 0)
 598                 goto detachfield;
 599
 600         edit_undo(item_number, BACKUP_ITEM);
 601
 602         view_info(tab, NULL, &f);
 603
 604         while(1) {
 605                 if(!f)
 606                         goto detachfield;
 607
 608                 if(i == number)
 609                         break;
 610
 611                 f = f->next;
 612                 i++;
 613         }
 614
 615         find_field_number(f->field->key, &idx);
 616
 617         switch(f->field->type) {
 618                 case FIELD_STRING:
 619                         msg = strdup_printf("%s: ", f->field->name);
 620                         item = db_item_get(item_number);
 621                         if(strcmp(f->field->key, "name") == 0)
 622                                 change_name_field(msg,&item[idx],MAX_FIELD_LEN);
 623                         else
 624                                 change_field(msg,&item[idx],MAX_FIELD_LEN);
 625                         free(msg);
 626                         break;
 627                 case FIELD_LIST:
 628                         edit_list(item_number, idx, 0);
 629                         break;
 630                 case FIELD_EMAILS:
 631                         edit_list(item_number, idx, 1);
 632                         break;
 633                 case FIELD_DATE:
 634                         edit_date(item_number, idx);
 635                         goto detachfield;
 636                 default:
 637                         assert(0);
 638         }
 639
 640  detachfield:
 641         if(opt_get_bool(BOOL_USE_MOUSE))
 642           ui_enable_mouse(TRUE);
 643 }
 644
 645 static int
 646 edit_loop(int item)
 647 {
 648         static int tab = 0; /* first tab */
 649         int c;
 650
 651         werase(editw);
 652         headerline(gettext(EDITOR_HELPLINE));
 653         refresh_statusline();
 654         print_editor_header(item);
 655         editor_tab(tab);
 656         editor_print_data(tab, item);
 657         wmove(editw, EDITW_LINES - 1, EDITW_COLS - 1);
 658
 659         refresh();
 660         wrefresh(editw);
 661
 662         c = getch();
 663         if(c == '\033') {
 664                 statusline_addstr("ESC-");
 665                 c = getch();
 666                 clear_statusline();
 667
 668                 /* Escaped bindings */
 669                 switch(c) {
 670                         case 'r': roll_emails(item, ROTATE_RIGHT); break;
 671                         default: break;
 672                 }
 673
 674                 return item;
 675         }
 676         if(c == KEY_MOUSE) {
 677                 MEVENT event;
 678                 if(getmouse(&event) == OK) {
 679                         if(event.bstate & BUTTON1_CLICKED
 680                            || event.bstate & BUTTON1_DOUBLE_CLICKED) {
 681                                 int window_y, window_x;
 682                                 getbegyx(editw, window_y, window_x);
 683                                 if(event.y == 0) {
 684                                         /* if first row is selected, then go back to list */
 685                                         return -1;
 686                                 } else if(event.y == window_y + TABLINE
 687                                    || event.y == window_y + TABLINE + 1) {
 688                                         char* tab_name;
 689                                         int mouse_x = event.x;
 690                                         int xpos = 2 + 1; /* look at editor_tab() and try out */
 691                                         int clicked_tab = 0;
 692                                         while(clicked_tab < views_count) {
 693                                                 view_info(clicked_tab, &tab_name, NULL);
 694                                                 xpos += strwidth(tab_name) + 5;
 695                                                 /* fprintf(stderr, "trying tab %d\n", clicked_tab); */
 696                                                 if(xpos >= mouse_x) {
 697                                                         break; /* clicked tab was found */
 698                                                 } else {
 699                                                         /* try next tab */
 700                                                         clicked_tab++;
 701                                                 }
 702                                         }
 703                                         if(clicked_tab < views_count) {
 704                                                 tab = clicked_tab;
 705                                         }
 706                                 } else if(event.y >= window_y + FIELDS_START_Y) {
 707                                         /* is mouse in field area? */
 708                                         int j = 1 + event.y - window_y - FIELDS_START_Y;
 709                                         /* field numbers start with 1, but if j='0', then char='0' */
 710                                         /* so fix this, by adding 1 to j */
 711                                         int field_char = (j < 10) ? '0' + j : 'A' + j - 10;
 712                                         edit_field(tab, field_char, item);
 713                                 }
 714                         } else if(event.bstate & BUTTON4_PRESSED) {
 715                                 tab = tab == 0 ? views_count - 1 : tab - 1;
 716                         }
 717                         else if(event.bstate & BUTTON5_PRESSED) {
 718                                 tab = tab == views_count - 1 ? 0 : tab + 1;
 719                         }
 720                         return item;
 721                 }
 722         }
 723
 724         /* No uppercase nor numeric key should be used in this menu,
 725          * as they are reserved for field selection */
 726         switch(c) {
 727                 case 'h':
 728                 case KEY_LEFT: tab = tab == 0 ? views_count - 1 : tab - 1;
 729                                break;
 730                 case 'l':
 731                 case KEY_RIGHT: tab = tab == views_count - 1 ? 0 : tab + 1;
 732                                 break;
 733                 case KEY_UP:
 734                 case '<':
 735                 case 'k': if(is_valid_item(item - 1)) item--; break;
 736                 case KEY_DOWN:
 737                 case '>':
 738                 case 'j': if(is_valid_item(item + 1)) item++; break;
 739                 case 'r': roll_emails(item, ROTATE_LEFT); break;
 740                 case '?': display_help(HELP_EDITOR); break;
 741                 case 'u': item = edit_undo(item, RESTORE_ITEM); break;
 742                 case 'm': launch_mutt(item); clearok(stdscr, 1); break;
 743                 case 'v': launch_wwwbrowser(item); clearok(stdscr, 1); break;
 744                 case 12 : clearok(stdscr, 1); break; /* ^L (refresh screen) */
 745                 case 'q': return -1;
 746                 default: edit_field(tab, c, item);
 747         }
 748
 749         return item;
 750 }
 751
 752 void
 753 edit_item(int item)
 754 {
 755         if(item < 0) {
 756                 if(list_get_curitem() < 0)
 757                         return;
 758                 else
 759                         item = list_get_curitem();
 760         }
 761
 762         init_editor();
 763
 764         while((item = edit_loop(item)) >= 0)
 765                 list_set_curitem(item); /* this is not very clean way to go */
 766
 767         close_editor();
 768 }
 769
 770 void
 771 add_item()
 772 {
 773         char *field = NULL;
 774         list_item item = item_create();
 775
 776         change_field(_("Name: "), &field, MAX_FIELD_LEN);
 777
 778         if( field == NULL )
 779                 return;
 780
 781         item_fput(item, NAME, field);
 782
 783         add_item2database(item);
 784         item_free(&item);
 785
 786         list_set_curitem(last_item());
 787
 788         edit_item(last_item());
 789 }
 790