2 * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
4 #include <Elementary.h>
8 * @defgroup Index Index
11 * An index object is a type of list that categorizes items in it
15 #define MIN_GRP_SIZE 2 //for symmetry it is 2, otherwise it can be 1 and zero have no meaning.
16 #define MIN_PIXEL_VALUE 1 //Min pixel value is highly dependent on touch sensitivity support.
17 #define MIN_OBJ_HEIGHT 24 //should be taken from .edc file.
20 * use for find view toplevel
22 #define SET_VIEW_LEVEL(wd, view_level)\
23 view_level = wd->level;\
24 while ((!wd->tot_items_count[view_level]) && view_level)\
29 typedef struct _Widget_Data Widget_Data;
31 typedef struct _PlacementPart PlacementPart;
36 Evas_Object *event[2];
37 Evas_Object *bx[2]; // 2 - for now all that's supported
38 Eina_List *items; // 1 list. yes N levels, but only 2 for now and # of items will be small
40 int max_supp_items_count;
41 int tot_items_count[2];
42 int min_obj_height, max_grp_size;
43 int min_1st_level_obj_height;
46 Evas_Coord pwidth, pheight;
48 const char *special_char;
49 Eina_Bool level_active[2];
50 Eina_Bool horizontal : 1;
53 Eina_Bool hide_button : 1;
58 struct _Elm_Index_Item
62 const char *letter, *vis_letter;
65 Eina_Bool selected : 1;
74 static const char *widtype = NULL;
76 static void _del_hook(Evas_Object *obj);
77 static void _theme_hook(Evas_Object *obj);
78 static void _sizing_eval(Evas_Object *obj);
79 static void _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level);
80 static void _index_box_clear(Evas_Object *obj, Evas_Object *box, int level);
81 static void _item_free(Elm_Index_Item *it);
82 static void _index_process(Evas_Object *obj);
84 /* Free a block allocated by `malloc', `realloc' or `calloc' one by one*/
86 _del_hook(Evas_Object *obj)
88 Widget_Data *wd = elm_widget_data_get(obj);
90 Eina_List *l, *clear = NULL;
92 _index_box_clear(obj, wd->bx[wd->level], wd->level);
93 _index_box_clear(obj, wd->bx[0], 0);
94 EINA_LIST_FOREACH(wd->items, l, it) clear = eina_list_append(clear, it);
95 EINA_LIST_FREE(clear, it) _item_free(it);
96 if (wd->delay) ecore_timer_del(wd->delay);
101 _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
103 Widget_Data *wd = data;
105 _els_box_layout(o, priv, wd->horizontal, 0); /* making box layout non homogenous */
109 _theme_hook(Evas_Object *obj)
111 Widget_Data *wd = elm_widget_data_get(obj);
113 _index_box_clear(obj, wd->bx[0], 0);
114 _index_box_clear(obj, wd->bx[1], 1);
116 _elm_theme_object_set(obj, wd->base, "index", "base/horizontal", elm_widget_style_get(obj));
118 _elm_theme_object_set(obj, wd->base, "index", "base/vertical", elm_widget_style_get(obj));
119 edje_object_part_swallow(wd->base, "elm.swallow.event.0", wd->event[0]);
120 edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
121 if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
125 wd->bx[1] = evas_object_box_add(evas_object_evas_get(wd->base));
126 evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
127 elm_widget_sub_object_add(obj, wd->bx[1]);
129 edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
130 evas_object_show(wd->bx[1]);
134 evas_object_del(wd->bx[1]);
137 if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
141 Evas_Coord minw = 0, minh = 0;
143 wd->event[1] = evas_object_rectangle_add(evas_object_evas_get(wd->base));
144 evas_object_color_set(wd->event[1], 0, 0, 0, 0);
145 evas_object_size_hint_min_set(wd->event[1], minw, minh);
147 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
148 elm_widget_sub_object_add(obj, wd->event[1]);
150 edje_object_part_swallow(wd->base, "elm.swallow.event.1", wd->event[1]);
152 else if (wd->event[1])
154 evas_object_del(wd->event[1]);
157 edje_object_message_signal_process(wd->base);
158 edje_object_scale_set(wd->base, elm_widget_scale_get(obj) * _elm_config->scale);
160 _index_box_auto_fill(obj, wd->bx[0], 0);
163 _index_box_auto_fill(obj, wd->bx[1], 1);
167 _sizing_eval(Evas_Object *obj)
169 Widget_Data *wd = elm_widget_data_get(obj);
170 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
172 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
173 edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
174 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
175 evas_object_size_hint_min_set(obj, minw, minh);
176 evas_object_size_hint_max_set(obj, maxw, maxh);
179 static Elm_Index_Item *
180 _item_new(Evas_Object *obj, const char *letter, const void *item)
182 Widget_Data *wd = elm_widget_data_get(obj);
184 if (!wd) return NULL;
185 it = calloc(1, sizeof(Elm_Index_Item));
186 if (!it) return NULL;
189 it->level = wd->level;
191 it->size = wd->min_obj_height;
193 it->size = wd->min_1st_level_obj_height;
196 it->letter = eina_stringshare_add(letter);
197 it->vis_letter = eina_stringshare_add(letter);
204 static Elm_Index_Item *
205 _item_find(Evas_Object *obj, const void *item)
207 Widget_Data *wd = elm_widget_data_get(obj);
210 if (!wd) return NULL;
211 EINA_LIST_FOREACH(wd->items, l, it)
212 if (it->data == item) return it;
217 _item_free(Elm_Index_Item *it)
219 Widget_Data *wd = elm_widget_data_get(it->obj);
221 wd->items = eina_list_remove(wd->items, it);
222 if (it->base) evas_object_del(it->base);
223 eina_stringshare_del(it->letter);
224 eina_stringshare_del(it->vis_letter);
228 /* Automatically filling the box with index item*/
230 _index_box_auto_fill(Evas_Object *obj, Evas_Object *box, int level)
232 Widget_Data *wd = elm_widget_data_get(obj);
235 Evas_Coord mw, mh, w, h;
238 if (wd->level_active[level]) return;
239 evas_object_geometry_get(box, NULL, NULL, &w, &h);
240 EINA_LIST_FOREACH(wd->items, l, it)
243 const char *stacking;
245 if (it->level != level) continue;
246 if(i > wd->max_supp_items_count) break;
248 o = edje_object_add(evas_object_evas_get(obj));
251 _elm_theme_object_set(obj, o, "index", "item_odd/vertical", elm_widget_style_get(obj));
253 //_elm_theme_object_set(obj, o, "index", "item/vertical", "default");
254 _elm_theme_object_set(obj, o, "index", "item/vertical", elm_widget_style_get(obj));
255 edje_object_part_text_set(o, "elm.text", it->letter);
256 edje_object_size_min_restricted_calc(o, &mw, &mh, 0, 0);
257 evas_object_size_hint_weight_set(o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
258 evas_object_size_hint_align_set(o, EVAS_HINT_FILL, EVAS_HINT_FILL);
259 edje_object_part_text_set(o, "elm.text", it->vis_letter);
260 evas_object_resize(o, mw, it->size);
261 evas_object_size_hint_min_set(o, mw, it->size);
262 evas_object_size_hint_max_set(o, mw, it->size);
263 elm_widget_sub_object_add(obj, o);
264 evas_object_box_append(box, o);
265 stacking = edje_object_data_get(o, "stacking");
268 if (!strcmp(stacking, "below")) evas_object_lower(o);
269 else if (!strcmp(stacking, "above")) evas_object_raise(o);
274 wd->tot_items_count[1] = i;
275 evas_object_smart_calculate(box); // force a calc so we know the size
276 evas_object_size_hint_min_get(box, &mw, &mh);
279 _index_box_clear(obj, box, level);
282 // FIXME: only i objects fit! try again. overflows right now
286 evas_object_smart_calculate(box);
287 wd->level_active[level] = 1;
291 _index_box_clear(Evas_Object *obj, Evas_Object *box __UNUSED__, int level)
293 Widget_Data *wd = elm_widget_data_get(obj);
297 if (!wd->level_active[level]) return;
298 EINA_LIST_FOREACH(wd->items, l, it)
300 if (!it->base) continue;
301 if (it->level != level) continue;
302 evas_object_del(it->base);
305 wd->level_active[level] = 0;
309 _delay_change(void *data)
311 Widget_Data *wd = elm_widget_data_get(data);
314 if (!wd) return ECORE_CALLBACK_CANCEL;
316 SET_VIEW_LEVEL(wd, view_level);
317 d = (void *)elm_index_item_selected_get(data, view_level);
318 if (d) evas_object_smart_callback_call(data, "delay,changed", d);
319 return ECORE_CALLBACK_CANCEL;
323 _sel_eval(Evas_Object *obj, Evas_Coord evx, Evas_Coord evy)
325 Widget_Data *wd = elm_widget_data_get(obj);
326 Elm_Index_Item *it, *it_closest, *it_last;
328 Evas_Coord x, y, w, h, bx, by, bw, bh, xx, yy;
334 Eina_Bool change = EINA_FALSE;
335 char *label = NULL, *last = NULL;
340 SET_VIEW_LEVEL(wd, view_level);
341 for (i = 0; i <= view_level; i++)
346 evas_object_geometry_get(wd->bx[i], &bx, &by, &bw, &bh);
347 dmin = (double)(wd->min_1st_level_obj_height*wd->tot_items_count[1])/(2*(double)bh);
348 dmax = 1.0-dmin-0.08;
349 EINA_LIST_FOREACH(wd->items, l, it)
351 if (!((it->level == i) && (it->base))) continue;
357 evas_object_geometry_get(it->base, &x, &y, &w, &h);
362 x = (x * x) + (y * y);
363 if ((x < dist) || (!it_closest))
366 cdv = (double)(xx - bx) / (double)bw;
368 cdv = (double)(yy - by) / (double)bh;
373 if ((i == 0) && (view_level == 0))
375 if(cdv > dmax || cdv < dmin)
385 edje_object_part_drag_value_set(wd->base, "elm.dragable.index.1", cdv, cdvv);
389 edje_object_part_drag_value_set(wd->base, "elm.dragable.index.1", cdv, cdv);
392 if (it_closest) it_closest->selected = 1;
393 if (it_closest != it_last)
398 const char *stacking, *selectraise;
401 if(view_level == it->level)
402 edje_object_signal_emit(it->base, "elm,state,inactive", "elm");
403 stacking = edje_object_data_get(it->base, "stacking");
404 selectraise = edje_object_data_get(it->base, "selectraise");
405 if ((selectraise) && (!strcmp(selectraise, "on")))
407 if ((stacking) && (!strcmp(stacking, "below")))
408 evas_object_lower(it->base);
413 const char *selectraise;
416 if(view_level == it->level)
417 edje_object_signal_emit(it->base, "elm,state,active", "elm");
418 selectraise = edje_object_data_get(it->base, "selectraise");
419 if ((selectraise) && (!strcmp(selectraise, "on")))
420 evas_object_raise(it->base);
421 evas_object_smart_callback_call((void *)obj, "changed", (void *)it->data);
422 if (wd->delay) ecore_timer_del(wd->delay);
423 wd->delay = ecore_timer_add(0.2, _delay_change, obj);
430 last = strdup(it->letter);
433 if (!label) label = strdup(last);
436 label = realloc(label, strlen(label) + strlen(last) + 1);
440 last = strdup(it->letter);
444 if (!label) label = strdup("");
445 if (!last) last = strdup("");
452 edje_object_part_text_set(wd->base, "elm.text.body", last);
453 edje_object_signal_emit(wd->base, "hide_2nd_level", "");
456 if(view_level == 1 && wd->level_active[1])
458 edje_object_part_text_set(wd->base, "elm.text", last);
459 edje_object_signal_emit(wd->base, "hide_first_level", "");
470 _wheel(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info __UNUSED__)
472 Widget_Data *wd = elm_widget_data_get(data);
477 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
479 Widget_Data *wd = elm_widget_data_get(data);
480 Evas_Event_Mouse_Down *ev = event_info;
483 if (ev->button != 1) return;
485 evas_object_geometry_get(wd->base, &x, &y, NULL, NULL);
486 wd->dx = ev->canvas.x - x;
487 wd->dy = ev->canvas.y - y;
488 elm_index_active_set(data, 1);
489 _sel_eval(data, ev->canvas.x, ev->canvas.y);
490 edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer", wd->dx, wd->dy);
494 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
496 Widget_Data *wd = elm_widget_data_get(data);
497 Evas_Event_Mouse_Up *ev = event_info;
504 if (ev->button != 1) return;
505 if (wd->level == 1 && wd->delay) ecore_timer_del(wd->delay);
508 SET_VIEW_LEVEL(wd, view_level);
509 d = (void *)elm_index_item_selected_get(data, view_level);
510 EINA_LIST_FOREACH(wd->items, l, it)
512 edje_object_signal_emit(it->base, "elm,state,inactive", "elm");
514 if (d) evas_object_smart_callback_call(data, "selected", d);
515 elm_index_active_set(data, 0);
516 edje_object_signal_emit(wd->base, "elm,state,level,0", "elm");
520 _mouse_move(void *data, Evas *e __UNUSED__, Evas_Object *o __UNUSED__, void *event_info)
522 Widget_Data *wd = elm_widget_data_get(data);
523 Evas_Event_Mouse_Move *ev = event_info;
524 Evas_Coord minw = 0, minh = 0, x, y, dx, dy, adx, ady;
528 if (!wd->down) return;
529 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
530 evas_object_geometry_get(wd->base, &x, &y, NULL, NULL);
531 x = ev->cur.canvas.x - x;
532 y = ev->cur.canvas.y - y;
535 if (adx < 0) adx = -dx;
538 if (ady < 0) ady = -dy;
539 edje_object_part_drag_value_set(wd->base, "elm.dragable.pointer", x, y);
550 snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
551 edje_object_signal_emit(wd->base, buf, "elm");
552 evas_object_smart_callback_call(data, "level,up", NULL);
560 snprintf(buf, sizeof(buf), "elm,state,level,%i", wd->level);
561 edje_object_signal_emit(wd->base, buf, "elm");
562 d = (void *)elm_index_item_selected_get(data, wd->level);
563 evas_object_smart_callback_call(data, "changed", d);
564 if (wd->delay) ecore_timer_del(wd->delay);
565 wd->delay = ecore_timer_add(0.2, _delay_change, data);
566 evas_object_smart_callback_call(data, "level,down", NULL);
570 _sel_eval(data, ev->cur.canvas.x, ev->cur.canvas.y);
573 _index_box_refill_job(void *data)
575 Widget_Data *wd = elm_widget_data_get((Evas_Object *)data);
581 evas_object_geometry_get(wd->base, NULL, NULL, &pw, &ph);
582 wd->scale_factor = elm_scale_get();
583 if ( wd->scale_factor == 0.0 ) {
584 wd->scale_factor = 1.0;
586 string = edje_object_data_get(wd->base, "min_obj_height");
588 wd->min_obj_height = (int) (atoi(string))*wd->scale_factor;
590 wd->min_obj_height = MIN_OBJ_HEIGHT*wd->scale_factor;
591 if(!wd->min_obj_height) return;
593 wd->max_grp_size = wd->min_obj_height - 2*MIN_GRP_SIZE;
594 wd->items_count = ph/wd->min_obj_height;
595 wd->max_supp_items_count = wd->max_grp_size*(int)((wd->items_count-1)*0.5)+wd->items_count;
597 if(pw != wd->pwidth && ph != wd->pheight)
602 elm_index_active_set(data, 1);
604 _index_box_clear((Evas_Object *)data, wd->bx[0], 0);
605 evas_object_smart_calculate( wd->bx[0]);
606 elm_index_item_go((Evas_Object *)data, wd->level);
612 static void _index_object_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
616 wd = elm_widget_data_get((Evas_Object *)data);
618 ecore_job_add(_index_box_refill_job, (Evas_Object *)data);
622 * Add a new index to the parent
624 * @param parent The parent object
625 * @return The new object or NULL if it cannot be created
630 elm_index_add(Evas_Object *parent)
636 Evas_Coord minw, minh;
639 wd = ELM_NEW(Widget_Data);
640 e = evas_object_evas_get(parent);
642 obj = elm_widget_add(e);
643 ELM_SET_WIDTYPE(widtype, "index");
644 elm_widget_type_set(obj, "index");
645 elm_widget_sub_object_add(parent, obj);
646 elm_widget_data_set(obj, wd);
647 elm_widget_del_hook_set(obj, _del_hook);
648 elm_widget_theme_hook_set(obj, _theme_hook);
650 wd->horizontal = EINA_FALSE;
651 wd->min_obj_height = 0;
652 wd->max_grp_size = 0;
654 wd->max_supp_items_count = 0;
655 wd->tot_items_count[0] = 0;
656 wd->tot_items_count[1] = 0;
658 wd->special_char = edje_object_data_get(wd->base, "special_char");
659 if(wd->special_char == NULL) wd->special_char = eina_stringshare_add("*");
661 wd->base = edje_object_add(e);
662 _elm_theme_object_set(obj, wd->base, "index", "base/vertical", "default");
663 elm_widget_resize_object_set(obj, wd->base);
665 o = evas_object_rectangle_add(e);
667 evas_object_color_set(o, 0, 0, 0, 0);
669 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
670 evas_object_size_hint_min_set(o, minw, minh);
671 edje_object_part_swallow(wd->base, "elm.swallow.event.0", o);
672 elm_widget_sub_object_add(obj, o);
673 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _index_object_resize, obj);
674 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_WHEEL, _wheel, obj);
675 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, obj);
676 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _mouse_up, obj);
677 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, obj);
679 if (edje_object_part_exists(wd->base, "elm.swallow.event.1"))
681 o = evas_object_rectangle_add(e);
683 evas_object_color_set(o, 0, 0, 0, 0);
684 evas_object_size_hint_min_set(o, minw, minh);
685 edje_object_part_swallow(wd->base, "elm.swallow.event.1", o);
686 elm_widget_sub_object_add(obj, o);
689 wd->bx[0] = evas_object_box_add(e);
690 evas_object_box_layout_set(wd->bx[0], _layout, wd, NULL);
691 elm_widget_sub_object_add(obj, wd->bx[0]);
692 edje_object_part_swallow(wd->base, "elm.swallow.index.0", wd->bx[0]);
693 evas_object_show(wd->bx[0]);
695 if (edje_object_part_exists(wd->base, "elm.swallow.index.1"))
697 wd->bx[1] = evas_object_box_add(e);
698 evas_object_box_layout_set(wd->bx[1], _layout, wd, NULL);
699 elm_widget_sub_object_add(obj, wd->bx[1]);
700 edje_object_part_swallow(wd->base, "elm.swallow.index.1", wd->bx[1]);
701 evas_object_show(wd->bx[1]);
704 wd->scale_factor = elm_scale_get();
705 if ( wd->scale_factor == 0.0 ) {
706 wd->scale_factor = 1.0;
708 string = edje_object_data_get(wd->base, "min_1st_level_obj_height");
710 wd->min_1st_level_obj_height = (int) (atoi(string))*wd->scale_factor;
712 wd->min_1st_level_obj_height = MIN_OBJ_HEIGHT*wd->scale_factor;
718 _group_count(Evas_Object *obj, int extraIndex, int adj_pos, int vis_pos)
720 Widget_Data *wd = elm_widget_data_get(obj);
722 int group_count = MIN_GRP_SIZE;
723 while(group_count <= wd->max_grp_size)
725 if(extraIndex <= wd->max_grp_size*adj_pos)
727 if(group_count*adj_pos>=extraIndex) return group_count;
730 return wd->max_grp_size;
732 group_count += MIN_GRP_SIZE;
737 _index_process(Evas_Object *obj)
740 int j,i, group_count;
746 Widget_Data *wd = elm_widget_data_get(obj);
749 if (wd->items_count == 0) return;
751 const int adj_pos = (wd->items_count-1)*0.5;
752 if(wd->tot_items_count[wd->level] <= wd->max_supp_items_count)
753 n = wd->tot_items_count[wd->level];
755 n = wd->max_supp_items_count;
756 group_count = MIN_GRP_SIZE;
758 int *indx = (int*)calloc(n, sizeof(int));
761 const int minh = wd->min_obj_height;
762 EINA_LIST_FOREACH(wd->items, l, it)
764 it->vis_letter = eina_stringshare_add(it->letter);
769 int N = wd->items_count;
776 if (extraIndex < 0) return;
778 group_count = _group_count(obj, extraIndex, adj_pos, N);
779 if (group_count <= 0) return;
781 PlacementPart place[adj_pos];
782 remainder = extraIndex%group_count;
783 numberofparts=(extraIndex/group_count)+(remainder == 0? 0: 1);
785 for (i=0;i<numberofparts; i++)
787 place[i].count=group_count+1;
788 count = (int)(((float)(i+1)/(float)(numberofparts+1))*N);
789 place[i].start= count +i*group_count-1;
792 place[numberofparts-1].count=remainder+1;
794 for (i=0;i<numberofparts;i++)
796 for (j=0;j<place[i].count; j++)
798 indx[((place[i].start)+j)]= MIN_PIXEL_VALUE;
800 indx[(place[i].start+(place[i].count)/2)] = minh-place[i].count+1;
803 EINA_LIST_FOREACH(wd->items, l, it)
805 int size = indx[count];
809 it->vis_letter = eina_stringshare_add(it->letter);
814 eina_stringshare_del(it->vis_letter);
815 it->vis_letter = eina_stringshare_add("");
819 eina_stringshare_del(it->vis_letter);
820 it->vis_letter = eina_stringshare_add(wd->special_char);
822 it->size = size*wd->scale_factor;
831 * Set the active state of the index programatically
833 * @param obj The index object
834 * @param active The active starte
839 elm_index_active_set(Evas_Object *obj, Eina_Bool active)
841 ELM_CHECK_WIDTYPE(obj, widtype);
842 Widget_Data *wd = elm_widget_data_get(obj);
844 if (wd->active == active) return;
849 _index_box_clear(obj, wd->bx[1], 1);
851 _index_box_auto_fill(obj, wd->bx[0], 0);
852 edje_object_signal_emit(wd->base, "elm,state,active", "elm");
855 edje_object_signal_emit(wd->base, "elm,state,inactive", "elm");
859 * Sets the level of the item.
861 * @param obj The index object.
862 * @param level To be documented.
867 elm_index_item_level_set(Evas_Object *obj, int level)
869 ELM_CHECK_WIDTYPE(obj, widtype);
870 Widget_Data *wd = elm_widget_data_get(obj);
872 if (wd->level == level) return;
877 * Gets the level of the item.
879 * @param obj The index object
884 elm_index_item_level_get(const Evas_Object *obj)
886 ELM_CHECK_WIDTYPE(obj, widtype) 0;
887 Widget_Data *wd = elm_widget_data_get(obj);
893 * Returns the selected item.
895 * @param obj The index object.
896 * @param level to be documented.
901 elm_index_item_selected_get(const Evas_Object *obj, int level)
903 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
904 Widget_Data *wd = elm_widget_data_get(obj);
907 if (!wd) return NULL;
908 EINA_LIST_FOREACH(wd->items, l, it)
909 if ((it->selected) && (it->level == level)) return it->data;
914 * Appends a new item.
916 * @param obj The index object.
917 * @param letter Letter under which the item should be indexed
918 * @param item The item to put in the index
923 elm_index_item_append(Evas_Object *obj, const char *letter, const void *item)
925 ELM_CHECK_WIDTYPE(obj, widtype);
926 Widget_Data *wd = elm_widget_data_get(obj);
929 it = _item_new(obj, letter, item);
931 wd->items = eina_list_append(wd->items, it);
932 wd->tot_items_count[wd->level]++;
933 _index_box_clear(obj, wd->bx[wd->level], wd->level);
937 * Prepends a new item.
939 * @param obj The index object.
940 * @param letter Letter under which the item should be indexed
941 * @param item The item to put in the index
946 elm_index_item_prepend(Evas_Object *obj, const char *letter, const void *item)
948 ELM_CHECK_WIDTYPE(obj, widtype);
949 Widget_Data *wd = elm_widget_data_get(obj);
953 it = _item_new(obj, letter, item);
955 wd->items = eina_list_prepend(wd->items, it);
956 wd->tot_items_count[wd->level]++;
957 _index_box_clear(obj, wd->bx[wd->level], wd->level);
961 * Append an item after @p relative in letter @p letter.
963 * @param obj The index object
964 * @param letter Letter under which the item should be indexed
965 * @param item The item to put in the index
966 * @param relative The item to put @p item after
971 elm_index_item_append_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
973 ELM_CHECK_WIDTYPE(obj, widtype);
974 Widget_Data *wd = elm_widget_data_get(obj);
975 Elm_Index_Item *it, *it_rel;
979 elm_index_item_append(obj, letter, item);
980 wd->tot_items_count[wd->level]++;
983 it = _item_new(obj, letter, item);
984 it_rel = _item_find(obj, relative);
987 elm_index_item_append(obj, letter, item);
988 wd->tot_items_count[wd->level]++;
992 wd->items = eina_list_append_relative(wd->items, it, it_rel);
993 wd->tot_items_count[wd->level]++;
994 _index_box_clear(obj, wd->bx[wd->level], wd->level);
998 * Prepend an item before @p relative in letter @p letter.
1000 * @param obj The index object
1001 * @param letter Letter under which the item should be indexed
1002 * @param item The item to put in the index
1003 * @param relative The item to put @p item before
1008 elm_index_item_prepend_relative(Evas_Object *obj, const char *letter, const void *item, const void *relative)
1010 ELM_CHECK_WIDTYPE(obj, widtype);
1011 Widget_Data *wd = elm_widget_data_get(obj);
1012 Elm_Index_Item *it, *it_rel;
1016 elm_index_item_prepend(obj, letter, item);
1017 wd->tot_items_count[wd->level]++;
1020 it = _item_new(obj, letter, item);
1021 it_rel = _item_find(obj, relative);
1024 elm_index_item_append(obj, letter, item);
1025 wd->tot_items_count[wd->level]++;
1029 wd->items = eina_list_prepend_relative(wd->items, it, it_rel);
1030 wd->tot_items_count[wd->level]++;
1031 _index_box_clear(obj, wd->bx[wd->level], wd->level);
1035 * Insert a new @p item into the sorted index @p obj in @p letter.
1037 * @param obj The index object
1038 * @param letter Letter under which the item should be indexed
1039 * @param item The item to put in the index
1040 * @param cmp_func The function called for the sort of index items.
1041 * @param cmp_data_func The function called for the sort of the data. It will
1042 * be used when cmp_func return 0. It means the index item already exists.
1043 * So, to decide which data item should be pointed by the index item, a function
1044 * to compare them is needed. If this function is not provided, index items
1045 * will be duplicated. If cmp_data_func returns a non-negative value, the
1046 * previous index item data will be replaced by the inserted @p item. So
1047 * if the previous data need to be free, it should be done in this function,
1048 * because the reference will be lost.
1053 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)
1055 ELM_CHECK_WIDTYPE(obj, widtype);
1056 Widget_Data *wd = elm_widget_data_get(obj);
1064 elm_index_item_append(obj, letter, item);
1068 it = _item_new(obj, letter, item);
1071 lnear = eina_list_search_sorted_near_list(wd->items, cmp_func, it, &cmp);
1073 wd->items = eina_list_append_relative_list(wd->items, it, lnear);
1075 wd->items = eina_list_prepend_relative_list(wd->items, it, lnear);
1078 /* If cmp_data_func is not provided, append a duplicated item */
1080 wd->items = eina_list_append_relative_list(wd->items, it, lnear);
1083 Elm_Index_Item *p_it = eina_list_data_get(lnear);
1084 if (cmp_data_func(p_it->data, it->data) >= 0)
1085 p_it->data = it->data;
1090 _index_box_clear(obj, wd->bx[wd->level], wd->level);
1094 * Remove an item from the index.
1096 * @param obj The index object
1097 * @param item The item to remove from the index
1102 elm_index_item_del(Evas_Object *obj, const void *item)
1104 ELM_CHECK_WIDTYPE(obj, widtype);
1105 Widget_Data *wd = elm_widget_data_get(obj);
1108 it = _item_find(obj, item);
1111 wd->tot_items_count[wd->level]--;
1112 _index_box_clear(obj, wd->bx[wd->level], wd->level);
1116 * Find an index item using item data.
1118 * @param obj The index object
1119 * @param item The item pointed by index item
1120 * @return The index item pointing to @p item
1124 EAPI Elm_Index_Item *
1125 elm_index_item_find(Evas_Object *obj, const void *item)
1127 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1128 Widget_Data *wd = elm_widget_data_get(obj);
1129 if (!wd) return NULL;
1130 return _item_find(obj, item);
1134 * Clears an index of its items.
1136 * @param obj The index object.
1141 elm_index_item_clear(Evas_Object *obj)
1143 ELM_CHECK_WIDTYPE(obj, widtype);
1144 Widget_Data *wd = elm_widget_data_get(obj);
1146 Eina_List *l, *clear = NULL;
1148 _index_box_clear(obj, wd->bx[wd->level], wd->level);
1149 EINA_LIST_FOREACH(wd->items, l, it)
1151 if (it->level != wd->level) continue;
1152 clear = eina_list_append(clear, it);
1154 EINA_LIST_FREE(clear, it) {
1156 wd->tot_items_count[wd->level]--;
1161 * Go to item at @p level
1163 * @param obj The index object
1164 * @param level The index level
1169 elm_index_item_go(Evas_Object *obj, int level)
1171 ELM_CHECK_WIDTYPE(obj, widtype);
1172 Widget_Data *wd = elm_widget_data_get(obj);
1175 _index_process(obj);
1176 _index_box_auto_fill(obj, wd->bx[0], 0);
1177 if (wd->level == 1) _index_box_auto_fill(obj, wd->bx[1], 1);
1181 * Returns the data associated with the item.
1183 * @param it The list item
1184 * @return The data associated with @p it
1189 elm_index_item_data_get(const Elm_Index_Item *it)
1191 if (!it) return NULL;
1192 return (void *)it->data;
1196 * Set the data item from the index item
1198 * This set a new data value.
1200 * @param it The item
1201 * @param data The new data pointer to set
1206 elm_index_item_data_set(Elm_Index_Item *it, const void *data)
1213 * Gets the letter of the item.
1215 * @param it The list item
1216 * @return The letter of @p it
1221 elm_index_item_letter_get(const Elm_Index_Item *it)
1223 if (!it) return NULL;
1228 * Make the Central Button Image invisible.
1230 * @param obj The Index.
1231 * @param invisible Whether button visible or not.
1237 elm_index_button_image_invisible_set(Evas_Object *obj, Eina_Bool invisible)
1239 ELM_CHECK_WIDTYPE(obj, widtype);
1240 Widget_Data *wd = elm_widget_data_get(obj);
1241 wd->hide_button = invisible;
1243 edje_object_signal_emit(wd->base, "elm,state,button,image,hide", "elm");