1 #include <Elementary.h>
3 #include "els_scroller.h"
6 # define MAX(a, b) (((a) > (b)) ? (a) : (b))
10 #define CEIL(a) (((a) % 2 != 0) ? ((a) / 2 + 1) : ((a) / 2))
13 #define DISPLAY_ITEM_NUM_MIN 3
15 typedef struct _Widget_Data Widget_Data;
16 typedef struct _Elm_Diskselector_Item Elm_Diskselector_Item;
21 Evas_Object *scroller;
22 Evas_Object *main_box;
23 Evas_Object *left_blank;
24 Evas_Object *right_blank;
25 Elm_Diskselector_Item *selected_item;
26 Elm_Diskselector_Item *first;
27 Elm_Diskselector_Item *second;
28 Elm_Diskselector_Item *s_last;
29 Elm_Diskselector_Item *last;
32 Eina_List *over_items;
33 Eina_List *under_items;
34 int item_count, len_threshold, len_side, display_item_num;
35 Ecore_Idle_Enterer *idler;
36 Ecore_Idle_Enterer *check_idler;
37 Evas_Coord minw, minh;
40 Eina_Bool display_item_num_by_api:1;
43 struct _Elm_Diskselector_Item
52 static const char *widtype = NULL;
54 static Eina_Bool _move_scroller(void *data);
55 static void _del_hook(Evas_Object * obj);
56 static void _del_pre_hook(Evas_Object * obj);
57 static void _sizing_eval(Evas_Object * obj);
58 static void _theme_hook(Evas_Object * obj);
59 static void _on_focus_hook(void *data, Evas_Object *obj);
60 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src, Evas_Callback_Type type, void *event_info);
61 static void _sub_del(void *data, Evas_Object * obj, void *event_info);
62 static void _round_items_del(Widget_Data *wd);
63 static void _scroller_move_cb(void *data, Evas_Object *obj, void *event_info);
64 static void _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
65 const char *emission __UNUSED__,
66 const char *source __UNUSED__);
67 static void _selected_item_indicate(Elm_Diskselector_Item *it);
68 static void _item_text_set_hook(Elm_Object_Item *it,
71 static const char * _item_text_get_hook(const Elm_Object_Item *it,
73 static void _item_content_set_hook(Elm_Object_Item *it,
75 Evas_Object *content);
76 static Evas_Object * _item_content_get_hook(const Elm_Object_Item *it,
79 static const char SIG_SELECTED[] = "selected";
80 static const char SIG_SCROLL_ANIM_START[] = "scroll,anim,start";
81 static const char SIG_SCROLL_ANIM_STOP[] = "scroll,anim,stop";
82 static const char SIG_SCROLL_DRAG_START[] = "scroll,drag,start";
83 static const char SIG_SCROLL_DRAG_STOP[] = "scroll,drag,stop";
85 static const Evas_Smart_Cb_Description _signals[] = {
87 {SIG_SCROLL_ANIM_START, ""},
88 {SIG_SCROLL_ANIM_STOP, ""},
89 {SIG_SCROLL_DRAG_START, ""},
90 {SIG_SCROLL_DRAG_STOP, ""},
95 _diskselector_object_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
100 wd = elm_widget_data_get(data);
103 if ((wd->minw == -1) && (wd->minh == -1))
104 elm_coords_finger_size_adjust(6, &wd->minw, 1, &wd->minh);
105 edje_object_size_min_restricted_calc
106 (elm_smart_scroller_edje_object_get
107 (wd->scroller), &wd->minw, &wd->minh, wd->minw, wd->minh);
108 evas_object_size_hint_min_set(obj, wd->minw, wd->minh);
109 evas_object_size_hint_max_set(obj, -1, -1);
111 evas_object_geometry_get(wd->scroller, NULL, NULL, &w, &h);
113 evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + (CEIL(wd->display_item_num) * 2)), h);
115 evas_object_resize(wd->main_box, (w / wd->display_item_num) * (wd->item_count + CEIL(wd->display_item_num)), h);
117 elm_smart_scroller_paging_set(wd->scroller, 0, 0,
118 (int)(w / wd->display_item_num), 0);
121 wd->idler = ecore_idle_enterer_before_add(_move_scroller, data);
125 _item_del(Elm_Diskselector_Item *item)
128 eina_stringshare_del(item->label);
130 evas_object_del(item->icon);
134 _count_letter(const char *str)
139 for (chnum = 0; ; chnum++)
141 pos = evas_string_char_next_get(str, pos, &code);
142 if (code == 0) break;
148 _check_letter(const char *str, int length)
153 for (chnum = 0; ; chnum++)
155 if (chnum == length) break;
156 pos = evas_string_char_next_get(str, pos, &code);
157 if (code == 0) break;
163 _check_string(void *data)
165 int mid, steps, length, diff;
166 Elm_Diskselector_Item *it;
170 Widget_Data *wd = data;
172 evas_object_geometry_get(wd->scroller, &ox, NULL, &ow, NULL);
182 EINA_LIST_FOREACH(list, l, it)
186 evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
187 /* item not visible */
188 if ((x + w <= ox) || (x >= ox + ow))
191 len = _count_letter(it->label);
192 // // FIXME: len should be # of ut8f letters. ie count using utf8 string walk, not stringshare len
193 // len = eina_stringshare_strlen(it->label);
196 edje_object_signal_emit(VIEW(it), "elm,state,left_side",
198 else if (x + w >= ox + ow - 5)
199 edje_object_signal_emit(VIEW(it), "elm,state,right_side",
203 if ((wd->len_threshold) && (len > wd->len_threshold))
204 edje_object_signal_emit(VIEW(it), "elm,state,center_small",
207 edje_object_signal_emit(VIEW(it), "elm,state,center",
211 // if len is les that the limit len, skip anyway
212 if (len <= wd->len_side)
215 steps = len - wd->len_side + 1;
217 if (mid <= ox + ow / 2)
218 diff = (ox + ow / 2) - mid;
220 diff = mid - (ox + ow / 2);
222 length = len - (int)(diff * steps / (ow / 3));
223 length = MAX(length, wd->len_side);
224 // limit string len to "length" ut8f chars
225 length = _check_letter(it->label, length);
226 // cut it off at byte mark returned form _check_letter
227 strncpy(buf, it->label, length);
229 edje_object_part_text_escaped_set(VIEW(it), "elm.text", buf);
233 ecore_idle_enterer_del(wd->check_idler);
234 wd->check_idler = NULL;
239 _item_del_pre_hook(Elm_Object_Item *it)
241 Elm_Diskselector_Item *item, *item2, *dit;
245 item = (Elm_Diskselector_Item *)it;
246 wd = elm_widget_data_get(WIDGET(item));
247 if (!wd) return EINA_FALSE;
249 elm_box_unpack(wd->main_box, VIEW(item));
252 wd->r_items = eina_list_remove(wd->r_items, item);
254 wd->items = eina_list_remove(wd->items, item);
256 if (wd->selected_item == item)
258 dit = (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
260 wd->selected_item = dit;
262 wd->selected_item = eina_list_nth(wd->items, 1);
264 _selected_item_indicate(wd->selected_item);
274 evas_object_hide(wd->VIEW(first));
275 evas_object_hide(wd->VIEW(second));
276 evas_object_hide(wd->VIEW(last));
277 evas_object_hide(wd->VIEW(s_last));
279 EINA_LIST_FOREACH(wd->under_items, l, item2)
280 evas_object_hide(VIEW(item2));
282 EINA_LIST_FOREACH(wd->over_items, l, item2)
283 evas_object_hide(VIEW(item2));
287 dit = eina_list_nth(wd->items, 0);
290 eina_stringshare_replace(&wd->first->label, dit->label);
291 edje_object_part_text_escaped_set(wd->VIEW(first), "elm.text",
294 dit = eina_list_nth(wd->items, 1);
297 eina_stringshare_replace(&wd->second->label, dit->label);
298 edje_object_part_text_escaped_set(wd->VIEW(second), "elm.text",
301 // if more than 3 itmes should be displayed
302 for (i = 2; i < CEIL(wd->display_item_num); i++)
304 dit = eina_list_nth(wd->items, i);
305 item2 = eina_list_nth(wd->over_items, i - 2);
306 eina_stringshare_replace(&item2->label, dit->label);
307 edje_object_part_text_escaped_set(VIEW(item2), "elm.text", item2->label);
310 dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 1);
313 eina_stringshare_replace(&wd->last->label, dit->label);
314 edje_object_part_text_escaped_set(wd->VIEW(last), "elm.text",
317 dit = eina_list_nth(wd->items, eina_list_count(wd->items) - 2);
320 eina_stringshare_replace(&wd->s_last->label, dit->label);
321 edje_object_part_text_escaped_set(wd->VIEW(s_last), "elm.text",
324 // if more than 3 itmes should be displayed
325 for (i = 3; i <= CEIL(wd->display_item_num); i++)
327 dit = eina_list_nth(wd->items, wd->item_count - i);
328 item2 = eina_list_nth(wd->under_items, i - 3);
329 eina_stringshare_replace(&item2->label, dit->label);
330 edje_object_part_text_escaped_set(VIEW(item2), "elm.text",
335 wd->check_idler = ecore_idle_enterer_before_add(_check_string, wd);
336 _sizing_eval(wd->self);
341 static Elm_Diskselector_Item *
342 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label, Evas_Smart_Cb func, const void *data)
344 Elm_Diskselector_Item *it;
345 const char *style = elm_widget_style_get(obj);
347 it = elm_widget_item_new(obj, Elm_Diskselector_Item);
348 if (!it) return NULL;
350 elm_widget_item_del_pre_hook_set(it, _item_del_pre_hook);
351 elm_widget_item_text_set_hook_set(it, _item_text_set_hook);
352 elm_widget_item_text_get_hook_set(it, _item_text_get_hook);
353 elm_widget_item_content_set_hook_set(it, _item_content_set_hook);
354 elm_widget_item_content_get_hook_set(it, _item_content_get_hook);
356 it->label = eina_stringshare_add(label);
359 it->base.data = data;
360 VIEW(it) = edje_object_add(evas_object_evas_get(obj));
361 _elm_theme_object_set(obj, VIEW(it), "diskselector", "item", style);
362 evas_object_size_hint_weight_set(VIEW(it), EVAS_HINT_EXPAND,
364 evas_object_size_hint_align_set(VIEW(it), EVAS_HINT_FILL,
366 evas_object_show(VIEW(it));
370 edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
371 edje_object_signal_callback_add(VIEW(it), "elm,action,click", "", _item_click_cb, it);
375 evas_object_size_hint_min_set(it->icon, 24, 24);
376 evas_object_size_hint_max_set(it->icon, 40, 40);
377 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
378 evas_object_show(it->icon);
379 elm_widget_sub_object_add(obj, it->icon);
385 _theme_data_get(Widget_Data *wd)
389 str = edje_object_data_get(wd->right_blank, "len_threshold");
390 if (str) wd->len_threshold = MAX(0, atoi(str));
391 else wd->len_threshold = 0;
393 if (!wd->display_item_num_by_api)
395 str = edje_object_data_get(wd->right_blank, "display_item_num");
396 if (str) wd->display_item_num = MAX(DISPLAY_ITEM_NUM_MIN, atoi(str));
397 else wd->display_item_num = DISPLAY_ITEM_NUM_MIN;
400 str = edje_object_data_get(wd->right_blank, "min_width");
401 if (str) wd->minw = MAX(-1, atoi(str)) * elm_scale_get();
404 parent = elm_widget_parent_widget_get(wd->self);
405 if (!parent) wd->minw = -1;
406 else evas_object_geometry_get(parent, NULL, NULL, &wd->minw, NULL);
409 str = edje_object_data_get(wd->right_blank, "min_height");
410 if (str) wd->minh = MAX(-1, atoi(str)) * elm_scale_get();
415 _del_hook(Evas_Object * obj)
417 Widget_Data *wd = elm_widget_data_get(obj);
421 ecore_idle_enterer_del(wd->idler);
428 _del_pre_hook(Evas_Object * obj)
430 Elm_Diskselector_Item *it;
433 Widget_Data *wd = elm_widget_data_get(obj);
437 evas_object_del(wd->left_blank);
439 evas_object_del(wd->right_blank);
442 eina_stringshare_del(wd->last->label);
443 evas_object_del(wd->VIEW(last));
448 eina_stringshare_del(wd->s_last->label);
449 evas_object_del(wd->VIEW(s_last));
454 eina_stringshare_del(wd->second->label);
455 evas_object_del(wd->VIEW(second));
460 eina_stringshare_del(wd->first->label);
461 evas_object_del(wd->VIEW(first));
465 EINA_LIST_FOREACH(wd->under_items, l, it)
469 eina_stringshare_del(it->label);
470 evas_object_del(VIEW(it));
475 EINA_LIST_FOREACH(wd->over_items, l, it)
479 eina_stringshare_del(it->label);
480 evas_object_del(VIEW(it));
485 EINA_LIST_FREE(wd->items, it)
488 elm_widget_item_free(it);
490 eina_list_free(wd->r_items);
494 _sizing_eval(Evas_Object * obj)
496 Widget_Data *wd = elm_widget_data_get(obj);
498 _diskselector_object_resize(obj, NULL, obj, NULL);
502 _theme_hook(Evas_Object * obj)
505 Elm_Diskselector_Item *it;
506 Widget_Data *wd = elm_widget_data_get(obj);
510 elm_smart_scroller_object_theme_set(obj, wd->scroller, "diskselector",
511 "base", elm_widget_style_get(obj));
514 EINA_LIST_FOREACH(wd->r_items, l, it)
516 _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
517 elm_widget_style_get(obj));
518 edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
523 EINA_LIST_FOREACH(wd->items, l, it)
525 _elm_theme_object_set(obj, VIEW(it), "diskselector", "item",
526 elm_widget_style_get(obj));
527 edje_object_part_text_escaped_set(VIEW(it), "elm.text", it->label);
530 _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
531 elm_widget_style_get(obj));
537 _sub_del(void *data __UNUSED__, Evas_Object * obj, void *event_info)
539 Widget_Data *wd = elm_widget_data_get(obj);
540 Evas_Object *sub = event_info;
541 Elm_Diskselector_Item *it;
546 if (sub == wd->scroller)
550 EINA_LIST_FOREACH(wd->items, l, it)
563 _select_item(Elm_Diskselector_Item *it)
566 Widget_Data *wd = elm_widget_data_get(WIDGET(it));
567 wd->selected_item = it;
568 _selected_item_indicate(wd->selected_item);
569 if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
570 evas_object_smart_callback_call(WIDGET(it), SIG_SELECTED, it);
574 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
576 Widget_Data *wd = elm_widget_data_get(obj);
580 if (elm_widget_focus_get(obj))
582 edje_object_signal_emit(wd->self, "elm,action,focus", "elm");
583 evas_object_focus_set(wd->self, EINA_TRUE);
587 edje_object_signal_emit(wd->self, "elm,action,unfocus", "elm");
588 evas_object_focus_set(wd->self, EINA_FALSE);
593 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
595 if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
596 Evas_Event_Key_Down *ev = event_info;
597 Widget_Data *wd = elm_widget_data_get(obj);
598 if (!wd) return EINA_FALSE;
599 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
600 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
602 Elm_Diskselector_Item *it = NULL;
605 if (!wd->selected_item) {
606 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
610 if ((!strcmp(ev->keyname, "Left")) ||
611 ((!strcmp(ev->keyname, "KP_Left")) && (!ev->string)) ||
612 (!strcmp(ev->keyname, "Up")) ||
613 ((!strcmp(ev->keyname, "KP_Up")) && (!ev->string)))
615 l = wd->selected_item->node->prev;
616 if ((!l) && (wd->round))
617 l = eina_list_last(wd->items);
619 else if ((!strcmp(ev->keyname, "Right")) ||
620 ((!strcmp(ev->keyname, "KP_Right")) && (!ev->string)) ||
621 (!strcmp(ev->keyname, "Down")) ||
622 ((!strcmp(ev->keyname, "KP_Down")) && (!ev->string)))
624 l = wd->selected_item->node->next;
625 if ((!l) && (wd->round))
628 else if ((!strcmp(ev->keyname, "Home")) ||
629 ((!strcmp(ev->keyname, "KP_Home")) && (!ev->string)))
631 else if ((!strcmp(ev->keyname, "End")) ||
632 ((!strcmp(ev->keyname, "KP_End")) && (!ev->string)))
633 l = eina_list_last(wd->items);
634 else return EINA_FALSE;
637 it = eina_list_data_get(l);
641 wd->selected_item = it;
643 wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
646 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
651 _selected_item_indicate(Elm_Diskselector_Item *it)
653 Elm_Diskselector_Item *item;
656 wd = elm_widget_data_get(WIDGET(it));
659 if (!it->label) return;
661 EINA_LIST_FOREACH(wd->r_items, l, item)
663 if (item->label && !strcmp(item->label, it->label))
664 edje_object_signal_emit(VIEW(item), "elm,state,selected", "elm");
666 edje_object_signal_emit(VIEW(item), "elm,state,default", "elm");
671 _item_click_cb(void *data, Evas_Object *obj __UNUSED__,
672 const char *emission __UNUSED__, const char *source __UNUSED__)
674 Elm_Diskselector_Item *it = data;
679 wd = elm_widget_data_get(WIDGET(it));
683 if (wd->selected_item != it)
685 wd->selected_item = it;
686 _selected_item_indicate(wd->selected_item);
689 if (it->func) it->func((void *)it->base.data, WIDGET(it), it);
693 _scroller_move_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
695 Evas_Coord x, y, w, h, bw;
696 Widget_Data *wd = data;
699 elm_smart_scroller_child_pos_get(obj, &x, &y);
700 elm_smart_scroller_child_viewport_size_get(obj, &w, &h);
703 evas_object_geometry_get(wd->main_box, NULL, NULL, &bw, NULL);
704 if (x > ((w / wd->display_item_num) * (wd->item_count + (wd->display_item_num % 2))))
705 elm_smart_scroller_child_region_show(wd->scroller,
706 x - ((w / wd->display_item_num) * wd->item_count),
709 elm_smart_scroller_child_region_show(wd->scroller,
710 x + ((w / wd->display_item_num) * wd->item_count),
716 _scroller_stop_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
718 Elm_Diskselector_Item *it;
719 Widget_Data *wd = elm_widget_data_get(data);
723 if (wd->idler) return;
730 evas_object_geometry_get(wd->scroller, NULL, NULL, &ow, NULL);
731 EINA_LIST_FOREACH(list, l, it)
733 evas_object_geometry_get(VIEW(it), &x, NULL, &w, NULL);
734 if (abs((int)(ow / 2 - (int)(x + w / 2))) < 10) break;
739 evas_object_smart_callback_call(data, SIG_SCROLL_ANIM_STOP, it);
743 _scroller_start_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
745 evas_object_smart_callback_call(data, SIG_SCROLL_ANIM_START,
746 elm_diskselector_selected_item_get(data));
750 _drag_start_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
752 evas_object_smart_callback_call(data, SIG_SCROLL_DRAG_START,
753 elm_diskselector_selected_item_get(data));
757 _drag_stop_cb(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
759 evas_object_smart_callback_call(data, SIG_SCROLL_DRAG_STOP,
760 elm_diskselector_selected_item_get(data));
764 _move_scroller(void *data)
766 Evas_Object *obj = data;
769 Elm_Diskselector_Item *dit;
773 wd = elm_widget_data_get(obj);
774 if (!wd) return EINA_FALSE;
787 EINA_LIST_FOREACH(list, l, dit)
789 if (wd->selected_item == dit)
794 if (wd->round) i -= CEIL(wd->display_item_num);
799 (Elm_Diskselector_Item *) eina_list_nth(wd->items, 0);
803 evas_object_geometry_get(wd->scroller, NULL, &y, &w, &h);
804 //move scroller in two steps for getting smooth launching effect.
806 elm_smart_scroller_child_region_show(wd->scroller, w / wd->display_item_num * (i-2), y, w, h);
807 elm_smart_scroller_region_bring_in(wd->scroller, w / wd->display_item_num * i, y, w, h);
812 ecore_idle_enterer_del(wd->idler);
815 wd->init = EINA_TRUE;
822 _round_item_del(Widget_Data *wd, Elm_Diskselector_Item *it)
825 elm_box_unpack(wd->main_box, VIEW(it));
826 wd->r_items = eina_list_remove(wd->r_items, it);
827 eina_stringshare_del(it->label);
828 elm_widget_item_free(it);
832 _round_items_del(Widget_Data *wd)
835 Elm_Diskselector_Item * it;
837 _round_item_del(wd, wd->last);
839 _round_item_del(wd, wd->s_last);
841 _round_item_del(wd, wd->second);
843 _round_item_del(wd, wd->first);
846 EINA_LIST_FOREACH(wd->under_items, l, it)
848 _round_item_del(wd, it);
850 wd->under_items = eina_list_free(wd->under_items);
852 EINA_LIST_FOREACH(wd->over_items, l, it)
854 _round_item_del(wd, it);
856 wd->over_items = eina_list_free(wd->over_items);
860 _round_items_add(Widget_Data *wd)
862 Elm_Diskselector_Item *dit;
863 Elm_Diskselector_Item *it;
864 Elm_Diskselector_Item *temp_it;
866 dit = it = eina_list_nth(wd->items, 0);
871 wd->first = _item_new(WIDGET(it), it->icon, it->label, it->func,
873 wd->first->node = it->node;
874 wd->r_items = eina_list_append(wd->r_items, wd->first);
877 it = eina_list_nth(wd->items, 1);
882 wd->second = _item_new(WIDGET(it), it->icon, it->label, it->func,
884 wd->second->node = it->node;
885 wd->r_items = eina_list_append(wd->r_items, wd->second);
888 // if more than 3 itmes should be displayed
889 for (i = 2; i < CEIL(wd->display_item_num); i++)
891 it = eina_list_nth(wd->items, i);
893 temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
894 wd->over_items = eina_list_append(wd->over_items, temp_it);
895 wd->r_items = eina_list_append(wd->r_items, temp_it);
898 it = eina_list_nth(wd->items, wd->item_count - 1);
903 wd->last = _item_new(WIDGET(it), it->icon, it->label, it->func,
905 wd->last->node = it->node;
906 wd->r_items = eina_list_prepend(wd->r_items, wd->last);
909 it = eina_list_nth(wd->items, wd->item_count - 2);
914 wd->s_last = _item_new(WIDGET(it), it->icon, it->label, it->func,
916 wd->s_last->node = it->node;
917 wd->r_items = eina_list_prepend(wd->r_items, wd->s_last);
920 // if more than 3 itmes should be displayed
921 for (i = 3; i <= CEIL(wd->display_item_num); i++)
923 it = eina_list_nth(wd->items, wd->item_count - i);
925 temp_it = _item_new(WIDGET(it), it->icon, it->label, it->func, it->base.data);
926 wd->under_items = eina_list_append(wd->under_items, temp_it);
927 wd->r_items = eina_list_prepend(wd->r_items, temp_it);
932 _item_icon_set(Elm_Diskselector_Item *it, Evas_Object *icon)
934 if (it->icon == icon) return;
935 if (it->icon) evas_object_del(it->icon);
939 evas_object_size_hint_min_set(it->icon, 24, 24);
940 evas_object_size_hint_max_set(it->icon, 40, 40);
941 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
942 evas_object_show(it->icon);
943 elm_widget_sub_object_add(WIDGET(it), it->icon);
948 _check_identical_item(Elm_Diskselector_Item *it, Evas_Object *icon)
951 Elm_Diskselector_Item *dit;
957 wd = elm_widget_data_get(WIDGET(it));
962 // Get index from indentical item from round items
963 EINA_LIST_FOREACH(wd->r_items, l, dit)
965 if (it == dit) break;
970 ic = eina_list_count(wd->r_items);
971 if (idx >= ic) return;
974 // Number of added items: CEIL(wd->display_item_num)
975 ac = CEIL(wd->display_item_num);
977 if (((idx >= 0) && (idx < ac)) ||
978 ((idx >= ac) && (idx < (2 * ac))))
980 // Selected item: under, low region
981 dit = eina_list_nth(wd->r_items,
982 idx + ic - (2 * ac));
984 else if (((idx >= (ic - ac)) && (idx < ic)) ||
985 ((idx >= (ic - (2 * ac))) && (idx < ic - ac)))
987 // Selected item: over, high region
988 dit = eina_list_nth(wd->r_items,
989 idx - ic + (2 * ac));
992 if (dit) _item_icon_set(dit, icon);
993 _sizing_eval(wd->self);
998 _item_text_set_hook(Elm_Object_Item *it, const char *part, const char *label)
1000 Elm_Diskselector_Item *item;
1001 if (part && strcmp(part, "default")) return;
1002 item = (Elm_Diskselector_Item *)it;
1003 eina_stringshare_replace(&item->label, label);
1004 edje_object_part_text_escaped_set(VIEW(item), "elm.text", item->label);
1008 _item_text_get_hook(const Elm_Object_Item *it, const char *part)
1010 if (part && strcmp(part, "default")) return NULL;
1011 return ((Elm_Diskselector_Item *)it)->label;
1015 _item_content_set_hook(Elm_Object_Item *it,
1017 Evas_Object *content)
1019 if (part && strcmp(part, "icon")) return;
1020 _item_icon_set((Elm_Diskselector_Item *)it, content);
1021 _check_identical_item((Elm_Diskselector_Item *)it, content);
1024 static Evas_Object *
1025 _item_content_get_hook(const Elm_Object_Item *it, const char *part)
1027 if (part && strcmp(part, "icon")) return NULL;
1028 return ((Elm_Diskselector_Item *)it)->icon;
1032 elm_diskselector_add(Evas_Object *parent)
1038 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
1040 ELM_SET_WIDTYPE(widtype, "diskselector");
1041 elm_widget_type_set(obj, "diskselector");
1042 elm_widget_sub_object_add(parent, obj);
1043 elm_widget_data_set(obj, wd);
1044 elm_widget_del_hook_set(obj, _del_hook);
1045 elm_widget_del_pre_hook_set(obj, _del_pre_hook);
1046 elm_widget_theme_hook_set(obj, _theme_hook);
1047 elm_widget_can_focus_set(obj, EINA_TRUE);
1048 elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
1049 elm_widget_event_hook_set(obj, _event_hook);
1053 wd->round = EINA_FALSE;
1054 wd->init = EINA_FALSE;
1056 wd->display_item_num_by_api = EINA_FALSE;
1058 wd->scroller = elm_smart_scroller_add(e);
1059 elm_smart_scroller_widget_set(wd->scroller, obj);
1061 elm_widget_resize_object_set(obj, wd->scroller);
1062 elm_smart_scroller_policy_set(wd->scroller, ELM_SMART_SCROLLER_POLICY_OFF,
1063 ELM_SMART_SCROLLER_POLICY_OFF);
1064 elm_smart_scroller_bounce_allow_set(wd->scroller, EINA_TRUE, EINA_FALSE);
1065 evas_object_smart_callback_add(wd->scroller, "scroll", _scroller_move_cb,
1067 evas_object_smart_callback_add(wd->scroller, "animate,stop",
1068 _scroller_stop_cb, obj);
1069 evas_object_smart_callback_add(wd->scroller, "animate,start",
1070 _scroller_start_cb, obj);
1071 evas_object_smart_callback_add(wd->scroller, "drag,stop",
1072 _drag_stop_cb, obj);
1073 evas_object_smart_callback_add(wd->scroller, "drag,start",
1074 _drag_start_cb, obj);
1076 _elm_theme_object_set(obj, wd->scroller, "diskselector", "base",
1078 evas_object_event_callback_add(wd->scroller, EVAS_CALLBACK_RESIZE,
1079 _diskselector_object_resize, obj);
1081 wd->main_box = elm_box_add(parent);
1082 elm_box_horizontal_set(wd->main_box, EINA_TRUE);
1083 elm_box_homogeneous_set(wd->main_box, EINA_TRUE);
1084 evas_object_size_hint_weight_set(wd->main_box, EVAS_HINT_EXPAND,
1086 evas_object_size_hint_align_set(wd->main_box, EVAS_HINT_FILL,
1088 _elm_theme_object_set(obj, wd->main_box, "diskselector", "base",
1090 elm_widget_sub_object_add(obj, wd->main_box);
1092 elm_smart_scroller_child_set(wd->scroller, wd->main_box);
1094 wd->left_blank = edje_object_add(evas_object_evas_get(obj));
1095 _elm_theme_object_set(obj, wd->left_blank, "diskselector", "item",
1097 evas_object_size_hint_weight_set(wd->left_blank, EVAS_HINT_EXPAND,
1099 evas_object_size_hint_align_set(wd->left_blank, EVAS_HINT_FILL,
1101 elm_box_pack_end(wd->main_box, wd->left_blank);
1102 evas_object_show(wd->left_blank);
1104 wd->right_blank = edje_object_add(evas_object_evas_get(obj));
1105 _elm_theme_object_set(obj, wd->right_blank, "diskselector", "item",
1107 evas_object_size_hint_weight_set(wd->right_blank, EVAS_HINT_EXPAND,
1109 evas_object_size_hint_align_set(wd->right_blank, EVAS_HINT_FILL,
1111 elm_box_pack_end(wd->main_box, wd->right_blank);
1112 evas_object_show(wd->right_blank);
1114 _theme_data_get(wd);
1116 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
1117 evas_object_smart_callbacks_descriptions_set(obj, _signals);
1123 elm_diskselector_round_enabled_get(const Evas_Object *obj)
1125 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1126 Widget_Data *wd = elm_widget_data_get(obj);
1127 if (!wd) return EINA_FALSE;
1132 elm_diskselector_round_enabled_set(Evas_Object * obj, Eina_Bool enabled)
1135 Elm_Diskselector_Item *it;
1137 ELM_CHECK_WIDTYPE(obj, widtype);
1138 Widget_Data *wd = elm_widget_data_get(obj);
1141 if (wd->round == enabled)
1144 wd->round = !!enabled;
1147 wd->r_items = eina_list_clone(wd->items);
1148 elm_box_unpack(wd->main_box, wd->left_blank);
1149 evas_object_hide(wd->left_blank);
1150 elm_box_unpack(wd->main_box, wd->right_blank);
1151 evas_object_hide(wd->right_blank);
1155 _round_items_add(wd);
1158 elm_box_pack_start(wd->main_box, wd->VIEW(last));
1160 elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
1162 // if more than 3 items should be displayed
1163 EINA_LIST_FOREACH(wd->under_items, elist, it)
1164 elm_box_pack_start(wd->main_box, VIEW(it));
1167 elm_box_pack_end(wd->main_box, wd->VIEW(first));
1169 elm_box_pack_end(wd->main_box, wd->VIEW(second));
1171 // if more than 3 items should be displayed
1172 EINA_LIST_FOREACH(wd->over_items, elist, it)
1173 elm_box_pack_end(wd->main_box, VIEW(it));
1177 _round_items_del(wd);
1178 elm_box_pack_start(wd->main_box, wd->left_blank);
1179 elm_box_pack_end(wd->main_box, wd->right_blank);
1180 eina_list_free(wd->r_items);
1184 _selected_item_indicate(wd->selected_item);
1189 elm_diskselector_side_text_max_length_get(const Evas_Object *obj)
1191 ELM_CHECK_WIDTYPE(obj, widtype) 0;
1192 Widget_Data *wd = elm_widget_data_get(obj);
1194 return wd->len_side;
1198 elm_diskselector_side_text_max_length_set(Evas_Object *obj, int len)
1200 ELM_CHECK_WIDTYPE(obj, widtype);
1201 Widget_Data *wd = elm_widget_data_get(obj);
1207 elm_diskselector_bounce_set(Evas_Object *obj, Eina_Bool h_bounce, Eina_Bool v_bounce)
1209 ELM_CHECK_WIDTYPE(obj, widtype);
1210 Widget_Data *wd = elm_widget_data_get(obj);
1213 elm_smart_scroller_bounce_allow_set(wd->scroller, h_bounce, v_bounce);
1217 elm_diskselector_bounce_get(const Evas_Object *obj, Eina_Bool *h_bounce, Eina_Bool *v_bounce)
1219 ELM_CHECK_WIDTYPE(obj, widtype);
1220 Widget_Data *wd = elm_widget_data_get(obj);
1222 elm_smart_scroller_bounce_allow_get(wd->scroller, h_bounce, v_bounce);
1226 elm_diskselector_scroller_policy_get(const Evas_Object *obj, Elm_Scroller_Policy *policy_h, Elm_Scroller_Policy *policy_v)
1228 ELM_CHECK_WIDTYPE(obj, widtype);
1229 Elm_Smart_Scroller_Policy s_policy_h, s_policy_v;
1230 Widget_Data *wd = elm_widget_data_get(obj);
1231 if ((!wd) || (!wd->scroller)) return;
1232 elm_smart_scroller_policy_get(wd->scroller, &s_policy_h, &s_policy_v);
1233 *policy_h = (Elm_Scroller_Policy) s_policy_h;
1234 *policy_v = (Elm_Scroller_Policy) s_policy_v;
1238 elm_diskselector_scroller_policy_set(Evas_Object *obj, Elm_Scroller_Policy policy_h, Elm_Scroller_Policy policy_v)
1240 ELM_CHECK_WIDTYPE(obj, widtype);
1241 Widget_Data *wd = elm_widget_data_get(obj);
1242 if ((!wd) || (!wd->scroller)) return;
1243 if ((policy_h >= ELM_SCROLLER_POLICY_LAST) ||
1244 (policy_v >= ELM_SCROLLER_POLICY_LAST))
1246 elm_smart_scroller_policy_set(wd->scroller, policy_h, policy_v);
1250 elm_diskselector_clear(Evas_Object *obj)
1252 ELM_CHECK_WIDTYPE(obj, widtype);
1253 Widget_Data *wd = elm_widget_data_get(obj);
1254 Elm_Diskselector_Item *it;
1257 if (!wd->items) return;
1259 wd->selected_item = NULL;
1260 EINA_LIST_FREE(wd->items, it)
1263 elm_widget_item_free(it);
1265 _round_items_del(wd);
1269 EAPI const Eina_List *
1270 elm_diskselector_items_get(const Evas_Object *obj)
1272 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1273 Widget_Data *wd = elm_widget_data_get(obj);
1274 if (!wd) return NULL;
1278 EAPI Elm_Object_Item *
1279 elm_diskselector_item_append(Evas_Object *obj, const char *label, Evas_Object *icon, Evas_Smart_Cb func, const void *data)
1281 Elm_Diskselector_Item *it;
1282 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1283 Widget_Data *wd = elm_widget_data_get(obj);
1284 if (!wd) return NULL;
1286 it = _item_new(obj, icon, label, func, data);
1287 wd->items = eina_list_append(wd->items, it);
1288 it->node = eina_list_last(wd->items);
1292 _round_items_del(wd);
1293 wd->r_items = eina_list_append(wd->r_items, it);
1294 _round_items_add(wd);
1296 elm_box_pack_start(wd->main_box, wd->VIEW(last));
1298 elm_box_pack_start(wd->main_box, wd->VIEW(s_last));
1299 elm_box_pack_end(wd->main_box, VIEW(it));
1301 elm_box_pack_end(wd->main_box, wd->VIEW(first));
1303 elm_box_pack_end(wd->main_box, wd->VIEW(second));
1307 elm_box_unpack(wd->main_box, wd->right_blank);
1308 elm_box_pack_end(wd->main_box, VIEW(it));
1309 elm_box_pack_end(wd->main_box, wd->right_blank);
1311 if (!wd->selected_item)
1312 wd->selected_item = it;
1314 wd->idler = ecore_idle_enterer_before_add(_move_scroller, obj);
1316 return (Elm_Object_Item *)it;
1319 EAPI Elm_Object_Item *
1320 elm_diskselector_selected_item_get(const Evas_Object *obj)
1322 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1323 Widget_Data *wd = elm_widget_data_get(obj);
1324 if (!wd) return NULL;
1325 return (Elm_Object_Item *) wd->selected_item;
1329 elm_diskselector_item_selected_set(Elm_Object_Item *it, Eina_Bool selected)
1331 ELM_OBJ_ITEM_CHECK_OR_RETURN(it);
1333 Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
1334 wd = elm_widget_data_get(WIDGET(item));
1337 if ((wd->selected_item == item) && (selected))
1340 if ((wd->selected_item == item) && (!selected))
1341 wd->selected_item = eina_list_data_get(wd->items);
1344 wd->selected_item = item;
1345 _selected_item_indicate(wd->selected_item);
1349 wd->idler = ecore_idle_enterer_before_add(_move_scroller, WIDGET(item));
1353 elm_diskselector_item_selected_get(const Elm_Object_Item *it)
1355 ELM_OBJ_ITEM_CHECK_OR_RETURN(it, EINA_FALSE);
1356 Widget_Data *wd = elm_widget_data_get(WIDGET(it));
1357 if (!wd) return EINA_FALSE;
1358 return (wd->selected_item == ((Elm_Diskselector_Item *)it));
1361 EAPI Elm_Object_Item *
1362 elm_diskselector_item_prev_get(const Elm_Object_Item *it)
1364 ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1365 Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
1366 if (item->node->prev) return item->node->prev->data;
1370 EAPI Elm_Object_Item *
1371 elm_diskselector_item_next_get(const Elm_Object_Item *it)
1373 ELM_OBJ_ITEM_CHECK_OR_RETURN(it, NULL);
1374 Elm_Diskselector_Item *item = (Elm_Diskselector_Item *)it;
1375 if (item->node->next) return item->node->next->data;
1379 EAPI Elm_Object_Item *
1380 elm_diskselector_first_item_get(const Evas_Object *obj)
1382 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1383 Widget_Data *wd = elm_widget_data_get(obj);
1384 if (!wd || !wd->items) return NULL;
1385 return eina_list_data_get(wd->items);
1388 EAPI Elm_Object_Item *
1389 elm_diskselector_last_item_get(const Evas_Object *obj)
1391 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1392 Widget_Data *wd = elm_widget_data_get(obj);
1393 if (!wd || !wd->items) return NULL;
1394 return eina_list_data_get(eina_list_last(wd->items));
1398 elm_diskselector_display_item_num_set(Evas_Object *obj, int num)
1400 ELM_CHECK_WIDTYPE(obj, widtype);
1401 Widget_Data *wd = elm_widget_data_get(obj);
1403 if (num < DISPLAY_ITEM_NUM_MIN) num = DISPLAY_ITEM_NUM_MIN;
1404 wd->display_item_num = num;
1405 wd->display_item_num_by_api = EINA_TRUE;
1409 elm_diskselector_display_item_num_get(const Evas_Object *item)
1411 ELM_CHECK_WIDTYPE(item, widtype) (-1);
1412 Widget_Data *wd = elm_widget_data_get(item);
1414 return wd->display_item_num;