src/lib/elm_calendar.c

   1 #ifdef HAVE_CONFIG_H
   2 # include "elementary_config.h"
   3 #endif
   4
   5 #ifdef HAVE_EVIL
   6 # include <Evil.h>
   7 #endif
   8
   9 #include <Elementary.h>
  10 #include "elm_priv.h"
  11
  12 typedef enum _Day_Color // EINA_DEPRECATED
  13 {
  14    DAY_WEEKDAY = 0,
  15    DAY_SATURDAY = 1,
  16    DAY_SUNDAY = 2
  17 } Day_Color;
  18
  19 typedef struct _Widget_Data Widget_Data;
  20
  21 struct _Widget_Data
  22 {
  23    Evas_Object *calendar;
  24    Eina_List *marks;
  25    double interval, first_interval;
  26    int year_min, year_max, spin_speed;
  27    int today_it, selected_it, first_day_it;
  28    Elm_Calendar_Weekday first_week_day;
  29    Ecore_Timer *spin, *update_timer;
  30    Elm_Calendar_Format_Cb format_func;
  31    const char *weekdays[ELM_DAY_LAST];
  32    struct tm current_time, selected_time;
  33    Day_Color day_color[42]; // EINA_DEPRECATED
  34    Eina_Bool selection_enabled : 1;
  35 };
  36
  37 struct _Elm_Calendar_Mark
  38 {
  39    Evas_Object *obj;
  40    Eina_List *node;
  41    struct tm mark_time;
  42    const char *mark_type;
  43    Elm_Calendar_Mark_Repeat_Type repeat;
  44 };
  45
  46 static const char *widtype = NULL;
  47 static void _on_focus_hook(void *data, Evas_Object *obj);
  48 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  49
  50 static const char SIG_CHANGED[] = "changed";
  51
  52 static const Evas_Smart_Cb_Description _signals[] = {
  53    {SIG_CHANGED, ""},
  54    {NULL, NULL}
  55 };
  56
  57
  58 /* Should not be translated, it's used if we failed
  59  * getting from locale. */
  60 static const char *_days_abbrev[] =
  61 {
  62    "Sun", "Mon", "Tue", "Wed",
  63    "Thu", "Fri", "Sat"
  64 };
  65
  66 static int _days_in_month[2][12] =
  67 {
  68      {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
  69      {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
  70 };
  71
  72 static Elm_Calendar_Mark *
  73 _mark_new(Evas_Object *obj, const char *mark_type, struct tm *mark_time, Elm_Calendar_Mark_Repeat_Type repeat)
  74 {
  75    Widget_Data *wd = elm_widget_data_get(obj);
  76    Elm_Calendar_Mark *mark;
  77
  78    if (!wd) return NULL;
  79    mark = calloc(1, sizeof(Elm_Calendar_Mark));
  80    if (!mark) return NULL;
  81    mark->obj = obj;
  82    mark->mark_type = eina_stringshare_add(mark_type);
  83    mark->mark_time = *mark_time;
  84    mark->repeat = repeat;
  85    return mark;
  86 }
  87
  88 static inline void
  89 _mark_free(Elm_Calendar_Mark *mark)
  90 {
  91    eina_stringshare_del(mark->mark_type);
  92    free(mark);
  93 }
  94
  95 static void
  96 _sizing_eval(Evas_Object *obj)
  97 {
  98    Widget_Data *wd = elm_widget_data_get(obj);
  99    Evas_Coord minw = -1, minh = -1;
 100    if (!wd) return;
 101    elm_coords_finger_size_adjust(8, &minw, 7, &minh);
 102    edje_object_size_min_restricted_calc(wd->calendar, &minw, &minh, minw, minh);
 103    evas_object_size_hint_min_set(obj, minw, minh);
 104    evas_object_size_hint_max_set(obj, -1, -1);
 105 }
 106
 107 static inline int
 108 _maxdays_get(struct tm *selected_time)
 109 {
 110    int month, year;
 111
 112    month = selected_time->tm_mon;
 113    year = selected_time->tm_year + 1900;
 114
 115    return _days_in_month[((!(year % 4)) &&
 116                           ((!(year % 400)) ||
 117                            (year % 100)))]
 118       [month];
 119 }
 120
 121 static inline void
 122 _unselect(Widget_Data *wd, int selected)
 123 {
 124    char emission[32];
 125    snprintf(emission, sizeof(emission), "cit_%i,unselected", selected);
 126    edje_object_signal_emit(wd->calendar, emission, "elm");
 127 }
 128
 129 static inline void
 130 _select(Widget_Data *wd, int selected)
 131 {
 132    char emission[32];
 133    snprintf(emission, sizeof(emission), "cit_%i,selected", selected);
 134    edje_object_signal_emit(wd->calendar, emission, "elm");
 135 }
 136
 137 static inline void
 138 _not_today(Widget_Data *wd)
 139 {
 140    char emission[32];
 141    snprintf(emission, sizeof(emission), "cit_%i,not_today", wd->today_it);
 142    edje_object_signal_emit(wd->calendar, emission, "elm");
 143    wd->today_it = -1;
 144 }
 145
 146 static inline void
 147 _today(Widget_Data *wd, int it)
 148 {
 149    char emission[32];
 150    snprintf(emission, sizeof(emission), "cit_%i,today", it);
 151    edje_object_signal_emit(wd->calendar, emission, "elm");
 152    wd->today_it = it;
 153 }
 154
 155 static char *
 156 _format_month_year(struct tm *selected_time)
 157 {
 158    char buf[32];
 159    if (!strftime(buf, sizeof(buf), E_("%B %Y"), selected_time)) return NULL;
 160    return strdup(buf);
 161 }
 162
 163 static inline void
 164 _cit_mark(Evas_Object *cal, int cit, const char *mtype)
 165 {
 166    char sign[64];
 167    snprintf(sign, sizeof(sign), "cit_%i,%s", cit, mtype);
 168    edje_object_signal_emit(cal, sign, "elm");
 169 }
 170
 171 static inline int
 172 _weekday_get(int first_week_day, int day)
 173 {
 174    return (day + first_week_day - 1) % ELM_DAY_LAST;
 175 }
 176
 177 // EINA_DEPRECATED
 178 static void
 179 _text_day_color_update(Widget_Data *wd, int pos)
 180 {
 181    char emission[32];
 182
 183    switch (wd->day_color[pos])
 184      {
 185       case DAY_WEEKDAY:
 186          snprintf(emission, sizeof(emission), "cit_%i,weekday", pos);
 187          break;
 188       case DAY_SATURDAY:
 189          snprintf(emission, sizeof(emission), "cit_%i,saturday", pos);
 190          break;
 191       case DAY_SUNDAY:
 192          snprintf(emission, sizeof(emission), "cit_%i,sunday", pos);
 193          break;
 194       default:
 195          return;
 196      }
 197
 198    edje_object_signal_emit(wd->calendar, emission, "elm");
 199 }
 200
 201 static void
 202 _set_month_year(Widget_Data *wd)
 203 {
 204    char *buf;
 205
 206    /* Set selected month */
 207    buf = wd->format_func(&wd->selected_time);
 208    if (buf)
 209      {
 210         edje_object_part_text_set(wd->calendar, "month_text", buf);
 211         free(buf);
 212      }
 213    else
 214      edje_object_part_text_set(wd->calendar, "month_text", "");
 215 }
 216
 217 static void
 218 _populate(Evas_Object *obj)
 219 {
 220    int maxdays, day, mon, yr, i;
 221    Elm_Calendar_Mark *mark;
 222    char part[12], day_s[3];
 223    struct tm first_day;
 224    Eina_List *l;
 225    Eina_Bool last_row = EINA_TRUE;
 226    Widget_Data *wd = elm_widget_data_get(obj);
 227
 228    if (!wd) return;
 229
 230    if (wd->today_it > 0) _not_today(wd);
 231
 232    maxdays = _maxdays_get(&wd->selected_time);
 233    mon = wd->selected_time.tm_mon;
 234    yr = wd->selected_time.tm_year;
 235
 236    _set_month_year(wd);
 237
 238    /* Set days */
 239    day = 0;
 240    first_day = wd->selected_time;
 241    first_day.tm_mday = 1;
 242    mktime(&first_day);
 243
 244    // Layout of the calendar is changed for removing the unfilled last row.
 245    if (first_day.tm_wday < (int)wd->first_week_day)
 246      wd->first_day_it = first_day.tm_wday + ELM_DAY_LAST - wd->first_week_day;
 247    else
 248      wd->first_day_it = first_day.tm_wday - wd->first_week_day;
 249
 250    if ((35 - wd->first_day_it) > (maxdays - 1)) last_row = EINA_FALSE;
 251
 252    if (!last_row)
 253      {
 254         char emission[32];
 255
 256         for (i = 0; i < 5; i++)
 257           {
 258              snprintf(emission, sizeof(emission), "cseph_%i,row_hide", i);
 259              edje_object_signal_emit(wd->calendar, emission, "elm");
 260           }
 261         snprintf(emission, sizeof(emission), "cseph_%i,row_invisible", 5);
 262         edje_object_signal_emit(wd->calendar, emission, "elm");
 263         for (i = 0; i < 35; i++)
 264           {
 265              snprintf(emission, sizeof(emission), "cit_%i,cell_expanded", i);
 266              edje_object_signal_emit(wd->calendar, emission, "elm");
 267           }
 268         for (i = 35; i < 42; i++)
 269           {
 270              snprintf(emission, sizeof(emission), "cit_%i,cell_invisible", i);
 271              edje_object_signal_emit(wd->calendar, emission, "elm");
 272           }
 273      }
 274    else
 275      {
 276         char emission[32];
 277
 278         for (i = 0; i < 6; i++)
 279           {
 280              snprintf(emission, sizeof(emission), "cseph_%i,row_show", i);
 281              edje_object_signal_emit(wd->calendar, emission, "elm");
 282           }
 283         for (i = 0; i < 42; i++)
 284           {
 285              snprintf(emission, sizeof(emission), "cit_%i,cell_default", i);
 286              edje_object_signal_emit(wd->calendar, emission, "elm");
 287           }
 288      }
 289
 290    for (i = 0; i < 42; i++)
 291      {
 292         _text_day_color_update(wd, i); // EINA_DEPRECATED
 293         if ((!day) && (i == wd->first_day_it)) day = 1;
 294
 295         if ((day == wd->current_time.tm_mday)
 296             && (mon == wd->current_time.tm_mon)
 297             && (yr == wd->current_time.tm_year))
 298           _today(wd, i);
 299
 300         if (day == wd->selected_time.tm_mday)
 301           {
 302              if ((wd->selected_it > -1) && (wd->selected_it != i))
 303                _unselect(wd, wd->selected_it);
 304
 305              if (wd->selection_enabled) _select(wd, i);
 306
 307              wd->selected_it = i;
 308           }
 309
 310         if ((day) && (day <= maxdays))
 311           snprintf(day_s, sizeof(day_s), "%i", day++);
 312         else
 313           day_s[0] = 0;
 314
 315         snprintf(part, sizeof(part), "cit_%i.text", i);
 316         edje_object_part_text_set(wd->calendar, part, day_s);
 317         /* Clear previous marks */
 318         _cit_mark(wd->calendar, i, "clear");
 319      }
 320
 321    /* Set marks */
 322    EINA_LIST_FOREACH(wd->marks, l, mark)
 323      {
 324         struct tm *mtime = &mark->mark_time;
 325         int month = wd->selected_time.tm_mon;
 326         int year = wd->selected_time.tm_year;
 327         int mday_it = mtime->tm_mday + wd->first_day_it - 1;
 328
 329         switch (mark->repeat)
 330           {
 331            case ELM_CALENDAR_UNIQUE:
 332               if ((mtime->tm_mon == month) && (mtime->tm_year == year))
 333                 _cit_mark(wd->calendar, mday_it, mark->mark_type);
 334               break;
 335            case ELM_CALENDAR_DAILY:
 336               if (((mtime->tm_year == year) && (mtime->tm_mon < month)) ||
 337                   (mtime->tm_year < year))
 338                 day = 1;
 339               else if ((mtime->tm_year == year) && (mtime->tm_mon == month))
 340                 day = mtime->tm_mday;
 341               else
 342                 break;
 343               for (; day <= maxdays; day++)
 344                 _cit_mark(wd->calendar, day + wd->first_day_it - 1,
 345                           mark->mark_type);
 346               break;
 347            case ELM_CALENDAR_WEEKLY:
 348               if (((mtime->tm_year == year) && (mtime->tm_mon < month)) ||
 349                   (mtime->tm_year < year))
 350                 day = 1;
 351               else if ((mtime->tm_year == year) && (mtime->tm_mon == month))
 352                 day = mtime->tm_mday;
 353               else
 354                 break;
 355               for (; day <= maxdays; day++)
 356                 if (mtime->tm_wday == _weekday_get(wd->first_day_it, day))
 357                   _cit_mark(wd->calendar, day + wd->first_day_it - 1,
 358                             mark->mark_type);
 359               break;
 360            case ELM_CALENDAR_MONTHLY:
 361               if (((mtime->tm_year < year) ||
 362                    ((mtime->tm_year == year) && (mtime->tm_mon <= month))) &&
 363                   (mtime->tm_mday <= maxdays))
 364                 _cit_mark(wd->calendar, mday_it, mark->mark_type);
 365               break;
 366            case ELM_CALENDAR_ANNUALLY:
 367               if ((mtime->tm_year <= year) && (mtime->tm_mon == month) &&
 368                   (mtime->tm_mday <= maxdays))
 369                 _cit_mark(wd->calendar, mday_it, mark->mark_type);
 370               break;
 371           }
 372      }
 373 }
 374
 375 static void
 376 _set_headers(Evas_Object *obj)
 377 {
 378    static char part[] = "ch_0.text";
 379    int i;
 380    Widget_Data *wd = elm_widget_data_get(obj);
 381    if (!wd) return;
 382
 383    for (i = 0; i < ELM_DAY_LAST; i++)
 384      {
 385         part[3] = i + '0';
 386         edje_object_part_text_set(
 387            wd->calendar, part,
 388            wd->weekdays[(i + wd->first_week_day) % ELM_DAY_LAST]);
 389      }
 390 }
 391
 392 static void
 393 _del_hook(Evas_Object *obj)
 394 {
 395    int i;
 396    Elm_Calendar_Mark *mark;
 397    Widget_Data *wd = elm_widget_data_get(obj);
 398
 399    if (!wd) return;
 400
 401    if (wd->spin) ecore_timer_del(wd->spin);
 402    if (wd->update_timer) ecore_timer_del(wd->update_timer);
 403
 404    if (wd->marks)
 405      {
 406         EINA_LIST_FREE(wd->marks, mark)
 407           {
 408              _mark_free(mark);
 409           }
 410      }
 411
 412    for (i = 0; i < ELM_DAY_LAST; i++)
 413      eina_stringshare_del(wd->weekdays[i]);
 414
 415    free(wd);
 416 }
 417
 418 static void
 419 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 420 {
 421    Widget_Data *wd = elm_widget_data_get(obj);
 422    if (!wd) return;
 423    if (elm_widget_focus_get(obj))
 424      {
 425         edje_object_signal_emit(wd->calendar, "elm,action,focus", "elm");
 426         evas_object_focus_set(wd->calendar, EINA_TRUE);
 427      }
 428    else
 429      {
 430         edje_object_signal_emit(wd->calendar, "elm,action,unfocus", "elm");
 431         evas_object_focus_set(wd->calendar, EINA_FALSE);
 432      }
 433 }
 434
 435 static void
 436 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 437 {
 438    Widget_Data *wd = elm_widget_data_get(obj);
 439    if (!wd) return;
 440    edje_object_mirrored_set(wd->calendar, rtl);
 441 }
 442
 443 static void
 444 _theme_hook(Evas_Object *obj)
 445 {
 446    Widget_Data *wd = elm_widget_data_get(obj);
 447    if (!wd) return;
 448    _elm_widget_mirrored_reload(obj);
 449    _elm_theme_object_set(obj, wd->calendar, "calendar", "base",
 450                          elm_widget_style_get(obj));
 451    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 452    _set_headers(obj);
 453    _populate(obj);
 454    edje_object_message_signal_process(wd->calendar);
 455    edje_object_scale_set(wd->calendar,
 456                          elm_widget_scale_get(obj) * _elm_config->scale);
 457    _sizing_eval(obj);
 458 }
 459
 460 static void
 461 _signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
 462 {
 463    Widget_Data *wd = elm_widget_data_get(obj);
 464    if (!wd) return;
 465    edje_object_signal_emit(wd->calendar, emission, source);
 466 }
 467
 468 static void
 469 _signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 470 {
 471    Widget_Data *wd = elm_widget_data_get(obj);
 472    if (!wd) return;
 473    edje_object_signal_callback_add(wd->calendar, emission,
 474                                    source, func_cb, data);
 475 }
 476
 477 static void
 478 _signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 479 {
 480    Widget_Data *wd = elm_widget_data_get(obj);
 481    if (!wd) return;
 482    edje_object_signal_callback_del_full(wd->calendar, emission, source, func_cb,
 483                                         data);
 484 }
 485
 486 /* Set correct tm_wday and tm_yday after other fields changes*/
 487 static inline void
 488 _fix_selected_time(Widget_Data *wd)
 489 {
 490    mktime(&wd->selected_time);
 491 }
 492
 493 static Eina_Bool
 494 _update_month(Evas_Object *obj, int delta)
 495 {
 496    struct tm time_check;
 497    int maxdays;
 498    Widget_Data *wd = elm_widget_data_get(obj);
 499    if (!wd) return EINA_FALSE;
 500
 501    /* check if it's a valid time. for 32 bits, year greater than 2037 is not */
 502    time_check = wd->selected_time;
 503    time_check.tm_mon += delta;
 504    if (mktime(&time_check) == -1)
 505      return EINA_FALSE;
 506
 507    wd->selected_time.tm_mon += delta;
 508    if (wd->selected_time.tm_mon < 0)
 509      {
 510         if (wd->selected_time.tm_year == wd->year_min)
 511           {
 512              wd->selected_time.tm_mon++;
 513              return EINA_FALSE;
 514           }
 515         wd->selected_time.tm_mon = 11;
 516         wd->selected_time.tm_year--;
 517      }
 518    else if (wd->selected_time.tm_mon > 11)
 519      {
 520         if (wd->selected_time.tm_year == wd->year_max)
 521           {
 522              wd->selected_time.tm_mon--;
 523              return EINA_FALSE;
 524           }
 525         wd->selected_time.tm_mon = 0;
 526         wd->selected_time.tm_year++;
 527      }
 528
 529    maxdays = _maxdays_get(&wd->selected_time);
 530    if (wd->selected_time.tm_mday > maxdays)
 531      wd->selected_time.tm_mday = maxdays;
 532
 533    _fix_selected_time(wd);
 534    evas_object_smart_callback_call(obj, SIG_CHANGED, NULL);
 535
 536    return EINA_TRUE;
 537 }
 538
 539 static Eina_Bool
 540 _spin_value(void *data)
 541 {
 542    Widget_Data *wd = elm_widget_data_get(data);
 543    if (!wd) return ECORE_CALLBACK_CANCEL;
 544    if (_update_month(data, wd->spin_speed)) _populate(data);
 545    wd->interval = wd->interval / 1.05;
 546    ecore_timer_interval_set(wd->spin, wd->interval);
 547    return ECORE_CALLBACK_RENEW;
 548 }
 549
 550 static void
 551 _button_inc_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 552 {
 553    Widget_Data *wd = elm_widget_data_get(data);
 554    if (!wd) return;
 555    wd->interval = wd->first_interval;
 556    wd->spin_speed = 1;
 557    if (wd->spin) ecore_timer_del(wd->spin);
 558    wd->spin = ecore_timer_add(wd->interval, _spin_value, data);
 559    _spin_value(data);
 560 }
 561
 562 static void
 563 _button_dec_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 564 {
 565    Widget_Data *wd = elm_widget_data_get(data);
 566    if (!wd) return;
 567    wd->interval = wd->first_interval;
 568    wd->spin_speed = -1;
 569    if (wd->spin) ecore_timer_del(wd->spin);
 570    wd->spin = ecore_timer_add(wd->interval, _spin_value, data);
 571    _spin_value(data);
 572 }
 573
 574 static void
 575 _button_stop(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 576 {
 577    Widget_Data *wd = elm_widget_data_get(data);
 578    if (!wd) return;
 579    wd->interval = wd->first_interval;
 580    if (wd->spin) ecore_timer_del(wd->spin);
 581    wd->spin = NULL;
 582 }
 583
 584 static int
 585 _get_item_day(Evas_Object *obj, int selected_it)
 586 {
 587    int day;
 588    Widget_Data *wd = elm_widget_data_get(obj);
 589    if (!wd) return 0;
 590
 591    day = selected_it - wd->first_day_it + 1;
 592    if ((day < 0) || (day > _maxdays_get(&wd->selected_time)))
 593      return 0;
 594
 595    return day;
 596 }
 597
 598 static void
 599 _update_sel_it(Evas_Object *obj, int sel_it)
 600 {
 601    int day;
 602    Widget_Data *wd = elm_widget_data_get(obj);
 603    if ((!wd) || (!wd->selection_enabled))
 604      return;
 605
 606    day = _get_item_day(obj, sel_it);
 607    if (!day)
 608      return;
 609
 610    _unselect(wd, wd->selected_it);
 611
 612    wd->selected_it = sel_it;
 613    wd->selected_time.tm_mday = day;
 614    _select(wd, wd->selected_it);
 615    _fix_selected_time(wd);
 616    evas_object_smart_callback_call(obj, SIG_CHANGED, NULL);
 617 }
 618
 619 static void
 620 _day_selected(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source)
 621 {
 622    int sel_it;
 623    Widget_Data *wd = elm_widget_data_get(data);
 624    if ((!wd) || (!wd->selection_enabled))
 625      return;
 626    sel_it = atoi(source);
 627
 628    _update_sel_it(data, sel_it);
 629 }
 630
 631 static inline int
 632 _time_to_next_day(struct tm *t)
 633 {
 634    return ((((24 - t->tm_hour) * 60) - t->tm_min) * 60) - t->tm_sec;
 635 }
 636
 637 static Eina_Bool
 638 _update_cur_date(void *data)
 639 {
 640    time_t current_time;
 641    int t, day;
 642    Widget_Data *wd = elm_widget_data_get(data);
 643    if (!wd) return ECORE_CALLBACK_RENEW;
 644
 645    if (wd->today_it > 0) _not_today(wd);
 646
 647    current_time = time(NULL);
 648    localtime_r(&current_time, &wd->current_time);
 649    t = _time_to_next_day(&wd->current_time);
 650    ecore_timer_interval_set(wd->update_timer, t);
 651
 652    if ((wd->current_time.tm_mon != wd->selected_time.tm_mon) ||
 653        (wd->current_time.tm_year!= wd->selected_time.tm_year))
 654      return ECORE_CALLBACK_RENEW;
 655
 656    day = wd->current_time.tm_mday + wd->first_day_it - 1;
 657    _today(wd, day);
 658
 659    return ECORE_CALLBACK_RENEW;
 660 }
 661
 662 static Eina_Bool
 663 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
 664 {
 665    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
 666    Evas_Event_Key_Down *ev = event_info;
 667    Widget_Data *wd = elm_widget_data_get(obj);
 668
 669    if (!wd) return EINA_FALSE;
 670    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
 671    if (!wd->selection_enabled) return EINA_FALSE;
 672
 673    if ((!strcmp(ev->keyname, "Left")) ||
 674        ((!strcmp(ev->keyname, "KP_Left")) && (!ev->string)))
 675      {
 676         _update_sel_it(obj, wd->selected_it-1);
 677      }
 678    else if ((!strcmp(ev->keyname, "Right")) ||
 679             ((!strcmp(ev->keyname, "KP_Right")) && (!ev->string)))
 680      {
 681         _update_sel_it(obj, wd->selected_it+1);
 682      }
 683    else if ((!strcmp(ev->keyname, "Up"))  ||
 684             ((!strcmp(ev->keyname, "KP_Up")) && (!ev->string)))
 685      {
 686         _update_sel_it(obj, wd->selected_it-ELM_DAY_LAST);
 687      }
 688    else if ((!strcmp(ev->keyname, "Down")) ||
 689             ((!strcmp(ev->keyname, "KP_Down")) && (!ev->string)))
 690      {
 691         _update_sel_it(obj, wd->selected_it+ELM_DAY_LAST);
 692      }
 693    else if ((!strcmp(ev->keyname, "Prior")) ||
 694             ((!strcmp(ev->keyname, "KP_Prior")) && (!ev->string)))
 695      {
 696         if (_update_month(obj, -1)) _populate(obj);
 697      }
 698    else if ((!strcmp(ev->keyname, "Next")) ||
 699             ((!strcmp(ev->keyname, "KP_Next")) && (!ev->string)))
 700      {
 701         if (_update_month(obj, 1)) _populate(obj);
 702      }
 703    else return EINA_FALSE;
 704
 705    return EINA_TRUE;
 706 }
 707
 708 EAPI Evas_Object *
 709 elm_calendar_add(Evas_Object *parent)
 710 {
 711    time_t current_time;
 712    time_t weekday = 259200; /* Just the first sunday since epoch */
 713    Evas_Object *obj;
 714    Widget_Data *wd;
 715    int i, t;
 716    Evas *e;
 717
 718    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 719
 720    ELM_SET_WIDTYPE(widtype, "calendar");
 721    elm_widget_type_set(obj, "calendar");
 722    elm_widget_sub_object_add(parent, obj);
 723    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
 724    elm_widget_data_set(obj, wd);
 725    elm_widget_del_hook_set(obj, _del_hook);
 726    elm_widget_theme_hook_set(obj, _theme_hook);
 727    elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
 728    elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
 729    elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
 730    elm_widget_can_focus_set(obj, EINA_TRUE);
 731    elm_widget_event_hook_set(obj, _event_hook);
 732
 733    wd->first_interval = 0.85;
 734    wd->year_min = 2;
 735    wd->year_max = -1;
 736    wd->today_it = -1;
 737    wd->selected_it = -1;
 738    wd->first_day_it = -1;
 739    wd->selection_enabled = EINA_TRUE;
 740    wd->format_func = _format_month_year;
 741    wd->marks = NULL;
 742
 743    wd->calendar = edje_object_add(e);
 744    _elm_theme_object_set(obj, wd->calendar, "calendar", "base", "default");
 745    elm_widget_resize_object_set(obj, wd->calendar);
 746
 747    edje_object_signal_callback_add(wd->calendar, "elm,action,increment,start",
 748                                    "*", _button_inc_start, obj);
 749    edje_object_signal_callback_add(wd->calendar, "elm,action,decrement,start",
 750                                    "*", _button_dec_start, obj);
 751    edje_object_signal_callback_add(wd->calendar, "elm,action,stop",
 752                                    "*", _button_stop, obj);
 753    edje_object_signal_callback_add(wd->calendar, "elm,action,selected",
 754                                    "*", _day_selected, obj);
 755
 756    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 757
 758    for (i = 0; i < ELM_DAY_LAST; i++)
 759      {
 760         /* FIXME: I'm not aware of a known max, so if it fails,
 761          * just make it larger. :| */
 762         char buf[20];
 763         /* I don't know of a better way of doing it */
 764         if (strftime(buf, sizeof(buf), "%a", gmtime(&weekday)))
 765           {
 766              wd->weekdays[i] = eina_stringshare_add(buf);
 767           }
 768         else
 769           {
 770              /* If we failed getting day, get a default value */
 771              wd->weekdays[i] = _days_abbrev[i];
 772              WRN("Failed getting weekday name for '%s' from locale.",
 773                  _days_abbrev[i]);
 774           }
 775         weekday += 86400; /* Advance by a day */
 776      }
 777
 778    current_time = time(NULL);
 779    localtime_r(&current_time, &wd->selected_time);
 780    wd->current_time = wd->selected_time;
 781    t = _time_to_next_day(&wd->current_time);
 782    wd->update_timer = ecore_timer_add(t, _update_cur_date, obj);
 783
 784    _set_headers(obj);
 785    _populate(obj);
 786    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 787    _sizing_eval(obj);
 788    return obj;
 789 }
 790
 791 EAPI void
 792 elm_calendar_weekdays_names_set(Evas_Object *obj, const char *weekdays[])
 793 {
 794    int i;
 795    ELM_CHECK_WIDTYPE(obj, widtype);
 796    Widget_Data *wd = elm_widget_data_get(obj);
 797    if (!wd) return;
 798
 799    EINA_SAFETY_ON_NULL_RETURN(weekdays);
 800
 801    for (i = 0; i < ELM_DAY_LAST; i++)
 802      {
 803         eina_stringshare_replace(&wd->weekdays[i], weekdays[i]);
 804      }
 805    _set_headers(obj);
 806 }
 807
 808 EAPI const char **
 809 elm_calendar_weekdays_names_get(const Evas_Object *obj)
 810 {
 811    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 812    Widget_Data *wd = elm_widget_data_get(obj);
 813    if (!wd) return NULL;
 814    return wd->weekdays;
 815 }
 816
 817 EAPI void
 818 elm_calendar_interval_set(Evas_Object *obj, double interval)
 819 {
 820    ELM_CHECK_WIDTYPE(obj, widtype);
 821    Widget_Data *wd = elm_widget_data_get(obj);
 822    if (!wd) return;
 823    wd->first_interval = interval;
 824 }
 825
 826 EAPI double
 827 elm_calendar_interval_get(const Evas_Object *obj)
 828 {
 829    ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
 830    Widget_Data *wd = elm_widget_data_get(obj);
 831    if (!wd) return 0.0;
 832    return wd->first_interval;
 833 }
 834
 835 EAPI void
 836 elm_calendar_min_max_year_set(Evas_Object *obj, int min, int max)
 837 {
 838    ELM_CHECK_WIDTYPE(obj, widtype);
 839    Widget_Data *wd = elm_widget_data_get(obj);
 840    if (!wd) return;
 841    min -= 1900;
 842    max -= 1900;
 843    if ((wd->year_min == min) && (wd->year_max == max)) return;
 844    wd->year_min = min > 2 ? min : 2;
 845    if (max > wd->year_min)
 846      wd->year_max = max;
 847    else
 848      wd->year_max = wd->year_min;
 849    if (wd->selected_time.tm_year > wd->year_max)
 850      wd->selected_time.tm_year = wd->year_max;
 851    if (wd->selected_time.tm_year < wd->year_min)
 852      wd->selected_time.tm_year = wd->year_min;
 853    _fix_selected_time(wd);
 854    _populate(obj);
 855 }
 856
 857 EAPI void
 858 elm_calendar_min_max_year_get(const Evas_Object *obj, int *min, int *max)
 859 {
 860    ELM_CHECK_WIDTYPE(obj, widtype);
 861    Widget_Data *wd = elm_widget_data_get(obj);
 862    if (!wd) return;
 863    if (min) *min = wd->year_min + 1900;
 864    if (max) *max = wd->year_max + 1900;
 865 }
 866
 867 EAPI void
 868 elm_calendar_day_selection_disabled_set(Evas_Object *obj, Eina_Bool disabled)
 869 {
 870    ELM_CHECK_WIDTYPE(obj, widtype);
 871    Widget_Data *wd = elm_widget_data_get(obj);
 872    if (!wd) return;
 873    wd->selection_enabled = (!disabled);
 874    if (!disabled)
 875      _select(wd, wd->selected_it);
 876    else
 877      _unselect(wd, wd->selected_it);
 878 }
 879
 880 EAPI Eina_Bool
 881 elm_calendar_day_selection_disabled_get(const Evas_Object *obj)
 882 {
 883    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 884    Widget_Data *wd = elm_widget_data_get(obj);
 885    if (!wd) return EINA_FALSE;
 886    return (!wd->selection_enabled);
 887 }
 888
 889 EAPI void
 890 elm_calendar_selected_time_set(Evas_Object *obj, struct tm *selected_time)
 891 {
 892    ELM_CHECK_WIDTYPE(obj, widtype);
 893    Widget_Data *wd = elm_widget_data_get(obj);
 894    if (!wd) return;
 895
 896    EINA_SAFETY_ON_NULL_RETURN(selected_time);
 897    wd->selected_time = *selected_time;
 898    _populate(obj);
 899    return;
 900 }
 901
 902 EAPI Eina_Bool
 903 elm_calendar_selected_time_get(const Evas_Object *obj, struct tm *selected_time)
 904 {
 905    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 906    Widget_Data *wd = elm_widget_data_get(obj);
 907    if (!wd) return EINA_FALSE;
 908    EINA_SAFETY_ON_NULL_RETURN_VAL(selected_time, EINA_FALSE);
 909    *selected_time = wd->selected_time;
 910    return EINA_TRUE;
 911 }
 912
 913 EAPI void
 914 elm_calendar_format_function_set(Evas_Object *obj, Elm_Calendar_Format_Cb format_function)
 915 {
 916    ELM_CHECK_WIDTYPE(obj, widtype);
 917    Widget_Data *wd = elm_widget_data_get(obj);
 918    if (!wd) return;
 919    wd->format_func = format_function;
 920    _set_month_year(wd);
 921 }
 922
 923 EAPI Elm_Calendar_Mark *
 924 elm_calendar_mark_add(Evas_Object *obj, const char *mark_type, struct tm *mark_time, Elm_Calendar_Mark_Repeat_Type repeat)
 925 {
 926    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 927    Widget_Data *wd = elm_widget_data_get(obj);
 928    Elm_Calendar_Mark *mark;
 929    if (!wd) return NULL;
 930
 931    mark = _mark_new(obj, mark_type, mark_time, repeat);
 932    wd->marks = eina_list_append(wd->marks, mark);
 933    mark->node = eina_list_last(wd->marks);
 934    return mark;
 935 }
 936
 937 EAPI void
 938 elm_calendar_mark_del(Elm_Calendar_Mark *mark)
 939 {
 940    Evas_Object *obj;
 941    Widget_Data *wd;
 942
 943    EINA_SAFETY_ON_NULL_RETURN(mark);
 944
 945    obj = mark->obj;
 946    wd = elm_widget_data_get(obj);
 947    if (!wd) return;
 948
 949    wd->marks = eina_list_remove_list(wd->marks, mark->node);
 950    _mark_free(mark);
 951 }
 952
 953 EAPI void
 954 elm_calendar_marks_clear(Evas_Object *obj)
 955 {
 956    ELM_CHECK_WIDTYPE(obj, widtype);
 957    Widget_Data *wd = elm_widget_data_get(obj);
 958    Elm_Calendar_Mark *mark;
 959
 960    if (!wd) return;
 961    EINA_LIST_FREE(wd->marks, mark)
 962       _mark_free(mark);
 963 }
 964
 965 EAPI const Eina_List *
 966 elm_calendar_marks_get(const Evas_Object *obj)
 967 {
 968    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 969    Widget_Data *wd = elm_widget_data_get(obj);
 970    if (!wd) return NULL;
 971    return wd->marks;
 972 }
 973
 974 EAPI void
 975 elm_calendar_marks_draw(Evas_Object *obj)
 976 {
 977    ELM_CHECK_WIDTYPE(obj, widtype);
 978    Widget_Data *wd = elm_widget_data_get(obj);
 979    if (!wd) return;
 980    _populate(obj);
 981 }
 982
 983 EAPI void
 984 elm_calendar_first_day_of_week_set(Evas_Object *obj, Elm_Calendar_Weekday day)
 985 {
 986    ELM_CHECK_WIDTYPE(obj, widtype);
 987    Widget_Data *wd = elm_widget_data_get(obj);
 988    if (!wd) return;
 989    if (day >= ELM_DAY_LAST) return;
 990    if (wd->first_week_day != day)
 991      {
 992         wd->first_week_day = day;
 993         _set_headers(obj);
 994         _populate(obj);
 995      }
 996 }
 997
 998 EAPI Elm_Calendar_Weekday
 999 elm_calendar_first_day_of_week_get(const Evas_Object *obj)
1000 {
1001    ELM_CHECK_WIDTYPE(obj, widtype) -1;
1002    Widget_Data *wd = elm_widget_data_get(obj);
1003    if (!wd) return -1;
1004    return wd->first_week_day;
1005 }