1 #include <Elementary.h>
4 typedef struct _Widget_Data Widget_Data;
10 Evas_Object *bx[2]; // 2 - for now all that's supported
11 Eina_List *items; // 1 list. yes N levels, but only 2 for now and # of items will be small
15 Eina_Bool level_active[2];
16 Eina_Bool horizontal : 1;
21 struct _Elm_Index_Item
26 Eina_Bool selected : 1;
29 static const char *widtype = NULL;
30 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
31 static void _theme_hook(Evas_Object *obj);
32 static void _sizing_eval(Evas_Object *obj);
33 static void _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level);
34 static void _index_box_clear(Evas_Object *obj, Evas_Object *box, int level);
35 static void _item_free(Elm_Index_Item *it);
37 static const char SIG_CHANGED[] = "changed";
38 static const char SIG_DELAY_CHANGED[] = "delay,changed";
39 static const char SIG_SELECTED[] = "selected";
40 static const char SIG_LEVEL_UP[] = "level,up";
41 static const char SIG_LEVEL_DOWN[] = "level,down";
43 static const Evas_Smart_Cb_Description _signals[] = {
45 {SIG_DELAY_CHANGED, ""},
53 _del_pre_hook(Evas_Object *obj)
55 Widget_Data *wd = elm_widget_data_get(obj);
57 _index_box_clear(obj, wd->bx[wd->level], wd->level);
58 _index_box_clear(obj, wd->bx[0], 0);
59 while (wd->items) _item_free(wd->items->data);
60 if (wd->delay) ecore_timer_del(wd->delay);
64 _del_hook(Evas_Object *obj)
66 Widget_Data *wd = elm_widget_data_get(obj);
71 _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
73 Widget_Data *wd = data;
75 _els_box_layout(o, priv, wd->horizontal, 1, 0);
79 _signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
81 Widget_Data *wd = elm_widget_data_get(obj);
83 edje_object_signal_emit(wd->base, emission, source);
87 _signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
89 Widget_Data *wd = elm_widget_data_get(obj);
91 edje_object_signal_callback_add(wd->base, emission, source, func_cb, data);
95 _signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
97 Widget_Data *wd = elm_widget_data_get(obj);
98 edje_object_signal_callback_del_full(wd->base, emission, source, func_cb,
103 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
105 Widget_Data *wd = elm_widget_data_get(obj);
108 edje_object_mirrored_set(wd->base, rtl);
112 _theme_hook(Evas_Object *obj)
114 Evas_Coord minw = 0, minh = 0;
115 Widget_Data *wd = elm_widget_data_get(obj);
117 _elm_widget_mirrored_reload(obj);
119 _index_box_clear(obj, wd->bx[0], 0);
120 _index_box_clear(obj, wd->bx[1], 1);
122 _elm_theme_object_set(obj, wd->base, "index", "base/horizontal", elm_widget_style_get(obj));
125 _elm_theme_object_set(obj, wd->base, "index", "base/vertical", elm_widget_style_get(obj));
126 _mirrored_set(obj, elm_widget_mirrored_get(obj));
128 edje_object_part_swallow(wd->base, "elm.swallow.event.0", wd->event[0]);
129 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
130 evas_object_size_hint_min_set(wd->event[0], minw, minh);
131 edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
132 if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
136 wd->bx[1] = evas_object_box_add(evas_object_evas_get(wd->base));
137 evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
138 elm_widget_sub_object_add(obj, wd->bx[1]);
140 edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
141 evas_object_show(wd->bx[1]);
145 evas_object_del(wd->bx[1]);
148 if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
152 wd->event[1] = evas_object_rectangle_add(evas_object_evas_get(wd->base));
153 evas_object_color_set(wd->event[1], 0, 0, 0, 0);
154 elm_widget_sub_object_add(obj, wd->event[1]);
156 edje_object_part_swallow(wd->base, "elm.swallow.event.1", wd->event[1]);
157 evas_object_size_hint_min_set(wd->event[1], minw, minh);
159 else if (wd->event[1])
161 evas_object_del(wd->event[1]);
164 edje_object_message_signal_process(wd->base);
165 edje_object_scale_set(wd->base, elm_widget_scale_get(obj) * _elm_config->scale);
167 _index_box_auto_fill(obj, wd->bx[0], 0);
170 _index_box_auto_fill(obj, wd->bx[1], 1);
174 _sizing_eval(Evas_Object *obj)
176 Widget_Data *wd = elm_widget_data_get(obj);
177 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
179 edje_object_size_min_calc(wd->base, &minw, &minh);
180 evas_object_size_hint_min_set(obj, minw, minh);
181 evas_object_size_hint_max_set(obj, maxw, maxh);
184 static Elm_Index_Item *
185 _item_new(Evas_Object *obj, const char *letter, const void *item)
187 Widget_Data *wd = elm_widget_data_get(obj);
189 if (!wd) return NULL;
190 it = elm_widget_item_new(obj, Elm_Index_Item);
191 if (!it) return NULL;
192 it->letter = eina_stringshare_add(letter);
193 it->base.data = item;
194 it->level = wd->level;
198 static Elm_Index_Item *
199 _item_find(Evas_Object *obj, const void *item)
201 Widget_Data *wd = elm_widget_data_get(obj);
204 if (!wd) return NULL;
205 EINA_LIST_FOREACH(wd->items, l, it)
206 if (it->base.data == item) return it;
211 _item_free(Elm_Index_Item *it)
213 Widget_Data *wd = elm_widget_data_get(it->base.widget);
215 wd->items = eina_list_remove(wd->items, it);
216 elm_widget_item_pre_notify_del(it);
217 eina_stringshare_del(it->letter);
218 elm_widget_item_del(it);
221 // FIXME: always have index filled
223 _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level)
225 Widget_Data *wd = elm_widget_data_get(obj);
229 Evas_Coord mw, mh, w, h;
232 if (wd->level_active[level]) return;
233 rtl = elm_widget_mirrored_get(obj);
234 evas_object_geometry_get(box, NULL, NULL, &w, &h);
235 EINA_LIST_FOREACH(wd->items, l, it)
238 const char *stacking;
240 if (it->level != level) continue;
241 o = edje_object_add(evas_object_evas_get(obj));
243 edje_object_mirrored_set(it->base.view, rtl);
245 _elm_theme_object_set(obj, o, "index", "item_odd/vertical", elm_widget_style_get(obj));
247 _elm_theme_object_set(obj, o, "index", "item/vertical", elm_widget_style_get(obj));
248 edje_object_part_text_set(o, "elm.text", it->letter);
249 edje_object_size_min_restricted_calc(o, &mw, &mh, 0, 0);
250 evas_object_size_hint_min_set(o, mw, mh);
251 evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
252 evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL);
253 elm_widget_sub_object_add(obj, o);
254 evas_object_box_append(box, o);
255 stacking = edje_object_data_get(o, "stacking");
258 if (!strcmp(stacking, "below")) evas_object_lower(o);
259 else if (!strcmp(stacking, "above")) evas_object_raise(o);
263 evas_object_smart_calculate(box); // force a calc so we know the size
264 evas_object_size_hint_min_get(box, &mw, &mh);
267 _index_box_clear(obj, box, level);
270 // FIXME: only i objects fit! try again. overflows right now
274 evas_object_smart_calculate(box);
275 wd->level_active[level] = 1;
279 _index_box_clear(Evas_Object *obj, Evas_Object *box __UNUSED__, int level)
281 Widget_Data *wd = elm_widget_data_get(obj);
285 if (!wd->level_active[level]) return;
286 EINA_LIST_FOREACH(wd->items, l, it)
288 if (!it->base.view) continue;
289 if (it->level != level) continue;
290 evas_object_del(it->base.view);
291 it->base.view = NULL;
293 wd->level_active[level] = 0;
297 _delay_change(void *data)
299 Widget_Data *wd = elm_widget_data_get(data);
301 if (!wd) return ECORE_CALLBACK_CANCEL;
303 d = (void *)elm_index_item_selected_get(data, wd->level);
304 if (d) evas_object_smart_callback_call(data, SIG_DELAY_CHANGED, d);
305 return ECORE_CALLBACK_CANCEL;
309 _sel_eval(Evas_Object *obj, Evas_Coord evx, Evas_Coord evy)
311 Widget_Data *wd = elm_widget_data_get(obj);
312 Elm_Index_Item *it, *it_closest, *it_last;
314 Evas_Coord x, y, w, h, bx, by, bw, bh, xx, yy;
317 char *label = NULL, *last = NULL;
320 for (i = 0; i <= wd->level; i++)
325 evas_object_geometry_get(wd->bx[i], &bx, &by, &bw, &bh);
326 EINA_LIST_FOREACH(wd->items, l, it)
328 if (!((it->level == i) && (it->base.view))) continue;
329 if ((it->base.view) && (it->level != wd->level))
343 evas_object_geometry_get(it->base.view, &x, &y, &w, &h);
348 x = (x * x) + (y * y);
349 if ((x < dist) || (!it_closest))
352 cdv = (double)(xx - bx) / (double)bw;
354 cdv = (double)(yy - by) / (double)bh;
359 if ((!i) && (!wd->level))
360 edje_object_part_drag_value_set(wd->base, "elm.dragable.index.1",
362 if (it_closest) it_closest->selected = 1;
363 if (it_closest != it_last)
367 const char *stacking, *selectraise;
370 edje_object_signal_emit(it->base.view, "elm,state,inactive", "elm");
371 stacking = edje_object_data_get(it->base.view, "stacking");
372 selectraise = edje_object_data_get(it->base.view, "selectraise");
373 if ((selectraise) && (!strcmp(selectraise, "on")))
375 if ((stacking) && (!strcmp(stacking, "below")))
376 evas_object_lower(it->base.view);
381 const char *selectraise;
384 edje_object_signal_emit(it->base.view, "elm,state,active", "elm");
385 selectraise = edje_object_data_get(it->base.view, "selectraise");
386 if ((selectraise) && (!strcmp(selectraise, "on")))
387 evas_object_raise(it->base.view);
388 evas_object_smart_callback_call((void *)obj, SIG_CHANGED, (void *)it->base.data);
389 if (wd->delay) ecore_timer_del(wd->delay);
390 wd->delay = ecore_timer_add(0.2, _delay_change, obj);
397 last = strdup(it->letter);
400 if (!label) label = strdup(last);
403 /* FIXME: realloc return NULL if the request fails */
404 label = realloc(label, strlen(label) + strlen(last) + 1);
408 last = strdup(it->letter);
412 if (!label) label = strdup("");
413 if (!last) last = strdup("");
414 edje_object_part_text_set(wd->base, "elm.text.body", label);
415 edje_object_part_text_set(wd->base, "elm.text", last);
421 _wheel(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
423 Widget_Data *wd = elm_widget_data_get(data);
424 // Evas_Event_Mouse_Wheel *ev = event_info;
425 // Evas_Object *obj = o;
430 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
432 Widget_Data *wd = elm_widget_data_get(data);
433 Evas_Event_Mouse_Down *ev = event_info;
436 if (ev->button != 1) return;
438 evas_object_geometry_get(wd->base, &x, &y, &w, NULL);
439 wd->dx = ev->canvas.x - x;
440 wd->dy = ev->canvas.y - y;
441 elm_index_active_set(data, 1);
442 _sel_eval(data, ev->canvas.x, ev->canvas.y);
443 edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer",
444 (!edje_object_mirrored_get(wd->base)) ? wd->dx : (wd->dx - w), wd->dy);
448 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
450 Widget_Data *wd = elm_widget_data_get(data);
451 Evas_Event_Mouse_Up *ev = event_info;
454 if (ev->button != 1) return;
456 d = (void *)elm_index_item_selected_get(data, wd->level);
457 if (d) evas_object_smart_callback_call(data, SIG_SELECTED, d);
458 elm_index_active_set(data, 0);
459 edje_object_signal_emit(wd->base, "elm,state,level,0", "elm");
463 _mouse_move(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
465 Widget_Data *wd = elm_widget_data_get(data);
466 Evas_Event_Mouse_Move *ev = event_info;
467 Evas_Coord minw = 0, minh = 0, x, y, dx, adx, w;
470 if (!wd->down) return;
471 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
472 evas_object_geometry_get(wd->base, &x, &y, &w, NULL);
473 x = ev->cur.canvas.x - x;
474 y = ev->cur.canvas.y - y;
477 if (adx < 0) adx = -dx;
478 edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer"
479 , (!edje_object_mirrored_get(wd->base)) ? x : (x - w), y);
487 snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
488 edje_object_signal_emit(wd->base, buf, "elm");
489 evas_object_smart_callback_call(data, SIG_LEVEL_UP, NULL);
497 snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
498 edje_object_signal_emit(wd->base, buf, "elm");
499 evas_object_smart_callback_call(data, SIG_LEVEL_DOWN, NULL);
503 _sel_eval(data, ev->cur.canvas.x, ev->cur.canvas.y);
507 elm_index_add(Evas_Object *parent)
513 Evas_Coord minw, minh;
515 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
517 ELM_SET_WIDTYPE(widtype, "index");
518 elm_widget_type_set(obj, "index");
519 elm_widget_sub_object_add(parent, obj);
520 elm_widget_data_set(obj, wd);
521 elm_widget_del_hook_set(obj, _del_hook);
522 elm_widget_del_pre_hook_set(obj, _del_pre_hook);
523 elm_widget_theme_hook_set(obj, _theme_hook);
524 elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
525 elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
526 elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
527 elm_widget_can_focus_set(obj, EINA_FALSE);
529 wd->horizontal = EINA_FALSE;
531 wd->base = edje_object_add(e);
532 _elm_theme_object_set(obj, wd->base, "index", "base/vertical", "default");
533 elm_widget_resize_object_set(obj, wd->base);
535 o = evas_object_rectangle_add(e);
537 evas_object_color_set(o, 0, 0, 0, 0);
539 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
540 evas_object_size_hint_min_set(o, minw, minh);
541 edje_object_part_swallow(wd->base, "elm.swallow.event.0", o);
542 elm_widget_sub_object_add(obj, o);
543 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_WHEEL, _wheel, obj);
544 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, obj);
545 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _mouse_up, obj);
546 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, obj);
548 if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
550 o = evas_object_rectangle_add(e);
552 evas_object_color_set(o, 0, 0, 0, 0);
553 evas_object_size_hint_min_set(o, minw, minh);
554 edje_object_part_swallow(wd->base, "elm.swallow.event.1", o);
555 elm_widget_sub_object_add(obj, o);
558 wd->bx[0] = evas_object_box_add(e);
559 evas_object_box_layout_set(wd->bx[0], _layout, wd, NULL);
560 elm_widget_sub_object_add(obj, wd->bx[0]);
561 edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
562 evas_object_show(wd->bx[0]);
564 if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
566 wd->bx[1] = evas_object_box_add(e);
567 evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
568 elm_widget_sub_object_add(obj, wd->bx[1]);
569 edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
570 evas_object_show(wd->bx[1]);
573 evas_object_smart_callbacks_descriptions_set(obj, _signals);
575 _mirrored_set(obj, elm_widget_mirrored_get(obj));
581 elm_index_active_set(Evas_Object *obj, Eina_Bool active)
583 ELM_CHECK_WIDTYPE(obj, widtype);
584 Widget_Data *wd = elm_widget_data_get(obj);
586 if (wd->active == active) return;
591 _index_box_clear(obj, wd->bx[1], 1);
592 _index_box_auto_fill(obj, wd->bx[0], 0);
593 edje_object_signal_emit(wd->base, "elm,state,active", "elm");
596 edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
600 elm_index_active_get(const Evas_Object *obj)
602 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
603 Widget_Data *wd = elm_widget_data_get(obj);
604 if (!wd) return EINA_FALSE;
609 elm_index_item_level_set(Evas_Object *obj, int level)
611 ELM_CHECK_WIDTYPE(obj, widtype);
612 Widget_Data *wd = elm_widget_data_get(obj);
614 if (wd->level == level) return;
619 elm_index_item_level_get(const Evas_Object *obj)
621 ELM_CHECK_WIDTYPE(obj, widtype) 0;
622 Widget_Data *wd = elm_widget_data_get(obj);
628 elm_index_item_selected_get(const Evas_Object *obj, int level)
630 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
631 Widget_Data *wd = elm_widget_data_get(obj);
634 if (!wd) return NULL;
635 EINA_LIST_FOREACH(wd->items, l, it)
636 if ((it->selected) && (it->level == level))
637 return elm_widget_item_data_get(it);
642 elm_index_item_append(Evas_Object *obj, const char *letter, const void *item)
644 ELM_CHECK_WIDTYPE(obj, widtype);
645 Widget_Data *wd = elm_widget_data_get(obj);
648 it = _item_new(obj, letter, item);
650 wd->items = eina_list_append(wd->items, it);
651 _index_box_clear(obj, wd->bx[wd->level], wd->level);
655 elm_index_item_prepend(Evas_Object *obj, const char *letter, const void *item)
657 ELM_CHECK_WIDTYPE(obj, widtype);
658 Widget_Data *wd = elm_widget_data_get(obj);
662 it = _item_new(obj, letter, item);
664 wd->items = eina_list_prepend(wd->items, it);
665 _index_box_clear(obj, wd->bx[wd->level], wd->level);
669 elm_index_item_append_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
671 ELM_CHECK_WIDTYPE(obj, widtype);
672 Widget_Data *wd = elm_widget_data_get(obj);
673 Elm_Index_Item *it, *it_rel;
677 elm_index_item_append(obj, letter, item);
680 it = _item_new(obj, letter, item);
681 it_rel = _item_find(obj, relative);
684 elm_index_item_append(obj, letter, item);
688 wd->items = eina_list_append_relative(wd->items, it, it_rel);
689 _index_box_clear(obj, wd->bx[wd->level], wd->level);
693 elm_index_item_prepend_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
695 ELM_CHECK_WIDTYPE(obj, widtype);
696 Widget_Data *wd = elm_widget_data_get(obj);
697 Elm_Index_Item *it, *it_rel;
701 elm_index_item_prepend(obj, letter, item);
704 it = _item_new(obj, letter, item);
705 it_rel = _item_find(obj, relative);
708 elm_index_item_append(obj, letter, item);
712 wd->items = eina_list_prepend_relative(wd->items, it, it_rel);
713 _index_box_clear(obj, wd->bx[wd->level], wd->level);
717 elm_index_item_sorted_insert(Evas_Object *obj, const char *letter, const void *item, Eina_Compare_Cb cmp_func, Eina_Compare_Cb cmp_data_func)
719 ELM_CHECK_WIDTYPE(obj, widtype);
720 Widget_Data *wd = elm_widget_data_get(obj);
728 elm_index_item_append(obj, letter, item);
732 it = _item_new(obj, letter, item);
735 lnear = eina_list_search_sorted_near_list(wd->items, cmp_func, it, &cmp);
737 wd->items = eina_list_append_relative_list(wd->items, it, lnear);
739 wd->items = eina_list_prepend_relative_list(wd->items, it, lnear);
742 /* If cmp_data_func is not provided, append a duplicated item */
744 wd->items = eina_list_append_relative_list(wd->items, it, lnear);
747 Elm_Index_Item *p_it = eina_list_data_get(lnear);
748 if (cmp_data_func(p_it->base.data, it->base.data) >= 0)
749 p_it->base.data = it->base.data;
754 _index_box_clear(obj, wd->bx[wd->level], wd->level);
758 elm_index_item_del(Evas_Object *obj, const void *item)
760 ELM_CHECK_WIDTYPE(obj, widtype);
761 Widget_Data *wd = elm_widget_data_get(obj);
764 it = _item_find(obj, item);
767 _index_box_clear(obj, wd->bx[wd->level], wd->level);
770 EAPI Elm_Index_Item *
771 elm_index_item_find(Evas_Object *obj, const void *item)
773 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
774 Widget_Data *wd = elm_widget_data_get(obj);
775 if (!wd) return NULL;
776 return _item_find(obj, item);
780 elm_index_item_clear(Evas_Object *obj)
782 ELM_CHECK_WIDTYPE(obj, widtype);
783 Widget_Data *wd = elm_widget_data_get(obj);
785 Eina_List *l, *clear = NULL;
787 _index_box_clear(obj, wd->bx[wd->level], wd->level);
788 EINA_LIST_FOREACH(wd->items, l, it)
790 if (it->level != wd->level) continue;
791 clear = eina_list_append(clear, it);
793 EINA_LIST_FREE(clear, it) _item_free(it);
797 elm_index_item_go(Evas_Object *obj, int level __UNUSED__)
799 ELM_CHECK_WIDTYPE(obj, widtype);
800 Widget_Data *wd = elm_widget_data_get(obj);
802 _index_box_auto_fill(obj, wd->bx[0], 0);
803 if (wd->level == 1) _index_box_auto_fill(obj, wd->bx[1], 1);
807 elm_index_item_data_get(const Elm_Index_Item *it)
809 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, NULL);
810 return elm_widget_item_data_get(it);
814 elm_index_item_data_set(Elm_Index_Item *it, const void *data)
816 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
817 elm_widget_item_data_set(it, data);
821 elm_index_item_del_cb_set(Elm_Index_Item *it, Evas_Smart_Cb func)
823 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
824 elm_widget_item_del_cb_set(it, func);
828 elm_index_item_letter_get(const Elm_Index_Item *it)
830 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, NULL);