1 #include <Elementary.h>
4 typedef struct _Widget_Data Widget_Data;
12 Elm_Segment_Item *selected_item;
16 struct _Elm_Segment_Item
24 static const char *widtype = NULL;
25 static void _sizing_eval(Evas_Object *obj);
26 static void _del_hook(Evas_Object *obj);
27 static void _theme_hook(Evas_Object *obj);
28 static void _disable_hook(Evas_Object *obj);
29 static void _item_free(Elm_Segment_Item *it);
30 static void _segment_off(Elm_Segment_Item *it);
31 static void _segment_on(Elm_Segment_Item *it);
32 static void _position_items(Widget_Data *wd);
33 static void _on_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj
34 __UNUSED__, void *event_info __UNUSED__);
35 static void _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj
36 __UNUSED__, void *event_info __UNUSED__);
37 static void _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj
38 __UNUSED__, void *event_info __UNUSED__);
39 static void _swallow_item_objects(Elm_Segment_Item *it);
40 static void _update_list(Widget_Data *wd);
41 static Elm_Segment_Item * _item_find(const Evas_Object *obj, int index);
42 static Elm_Segment_Item* _item_new(Evas_Object *obj, Evas_Object *icon,
45 static const char SIG_CHANGED[] = "changed";
47 static const Evas_Smart_Cb_Description _signals[] = {
53 _sizing_eval(Evas_Object *obj)
56 Evas_Coord minw = -1, minh = -1;
59 wd = elm_widget_data_get(obj);
62 elm_coords_finger_size_adjust(wd->item_count, &minw, 1, &minh);
63 edje_object_size_min_restricted_calc(wd->base, &minw, &minh, minw, minh);
64 elm_coords_finger_size_adjust(wd->item_count, &minw, 1, &minh);
66 evas_object_size_hint_min_get(obj, &w, &h);
67 if (w > minw) minw = w;
68 if (h > minh) minh = h;
69 evas_object_size_hint_min_set(obj, minw, minh);
73 _del_hook(Evas_Object *obj)
78 wd = elm_widget_data_get(obj);
81 EINA_LIST_FREE(wd->seg_items, it) _item_free(it);
87 _theme_hook(Evas_Object *obj)
94 wd = elm_widget_data_get(obj);
97 _elm_widget_mirrored_reload(obj);
98 rtl = elm_widget_mirrored_get(obj);
99 edje_object_mirrored_set(wd->base, rtl);
101 _elm_theme_object_set(obj, wd->base, "segment_control", "base",
102 elm_widget_style_get(obj));
103 edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
104 *_elm_config->scale);
106 EINA_LIST_FOREACH(wd->seg_items, l, it)
108 _elm_theme_object_set(obj, VIEW(it), "segment_control",
109 "item", elm_widget_style_get(obj));
110 edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
111 *_elm_config->scale);
112 edje_object_mirrored_set(VIEW(it), rtl);
119 _disable_hook(Evas_Object *obj)
123 wd = elm_widget_data_get(obj);
128 // TODO: Elm_widget elm_widget_focus_list_next_get supports only Elm_widget list,
129 // Not the Elm_Widget_item. Focus switching with in widget not supported until
130 // it is supported in elm_widget
133 _elm_list_data_get(const Eina_List *list)
135 Elm_Segment_Item *it = eina_list_data_get(list);
139 edje_object_signal_emit(VIEW(it), "elm,state,segment,selected", "elm");
144 _focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir,
149 const Eina_List *items;
150 void *(*list_data_get) (const Eina_List *list);
152 wd = elm_widget_data_get(obj);
153 if ((!wd)) return EINA_FALSE;
156 /* TODO: Change this to use other chain */
157 if ((items = elm_widget_focus_custom_chain_get(obj)))
158 list_data_get = eina_list_data_get;
161 items = wd->seg_items;
162 list_data_get = _elm_list_data_get;
163 if (!items) return EINA_FALSE;
165 return elm_widget_focus_list_next_get(obj, items, list_data_get, dir, next);
170 _item_free(Elm_Segment_Item *it)
176 wd = elm_widget_item_data_get(it);
179 if (wd->selected_item == it) wd->selected_item = NULL;
180 if (wd->seg_items) wd->seg_items = eina_list_remove(wd->seg_items, it);
182 elm_widget_item_pre_notify_del(it);
184 if (it->icon) evas_object_del(it->icon);
185 if (it->label) eina_stringshare_del(it->label);
187 elm_widget_item_del(it);
191 _segment_off(Elm_Segment_Item *it)
197 wd = elm_widget_item_data_get(it);
200 edje_object_signal_emit(VIEW(it), "elm,state,segment,normal", "elm");
202 if (wd->selected_item == it) wd->selected_item = NULL;
206 _segment_on(Elm_Segment_Item *it)
212 wd = elm_widget_item_data_get(it);
214 if (it == wd->selected_item) return;
216 if (wd->selected_item) _segment_off(wd->selected_item);
218 edje_object_signal_emit(VIEW(it), "elm,state,segment,selected", "elm");
220 wd->selected_item = it;
221 evas_object_smart_callback_call(wd->obj, SIG_CHANGED,
222 (void *)(unsigned long)it->seg_index);
226 _position_items(Widget_Data *wd)
229 Elm_Segment_Item *it;
231 int bx, by, bw, bh, pos;
233 wd->item_count = eina_list_count(wd->seg_items);
234 if (wd->item_count <= 0) return;
236 evas_object_geometry_get(wd->base, &bx, &by, &bw, &bh);
237 wd->item_width = bw / wd->item_count;
238 rtl = elm_widget_mirrored_get(wd->obj);
241 pos = bx + bw - wd->item_width;
245 EINA_LIST_FOREACH(wd->seg_items, l, it)
247 evas_object_move(VIEW(it), pos, by);
248 evas_object_resize(VIEW(it), wd->item_width, bh);
250 pos -= wd->item_width;
252 pos += wd->item_width;
254 ll = eina_list_last(wd->seg_items);
256 evas_object_resize(it->base.view,
257 (bw - ((wd->item_count - 1) * wd->item_width)),
259 _sizing_eval(wd->obj);
263 _on_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
264 void *event_info __UNUSED__)
268 wd = elm_widget_data_get(data);
276 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
280 Elm_Segment_Item *it;
281 Evas_Event_Mouse_Up *ev;
282 Evas_Coord x, y, w, h;
287 wd = elm_widget_item_data_get(it);
290 if (elm_widget_disabled_get(wd->obj)) return;
292 if (it == wd->selected_item) return;
295 evas_object_geometry_get(VIEW(it), &x, &y, &w, &h);
297 if ((ev->canvas.x >= x) && (ev->output.x <= (x + w)) && (ev->canvas.y >= y)
298 && (ev->canvas.y <= (y + h)))
301 edje_object_signal_emit(VIEW(it), "elm,state,segment,normal", "elm");
305 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
306 void *event_info __UNUSED__)
309 Elm_Segment_Item *it;
314 wd = elm_widget_item_data_get(it);
317 if (elm_widget_disabled_get(wd->obj)) return;
319 if (it == wd->selected_item) return;
321 edje_object_signal_emit(VIEW(it), "elm,state,segment,pressed", "elm");
325 _swallow_item_objects(Elm_Segment_Item *it)
331 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
332 edje_object_signal_emit(VIEW(it), "elm,state,icon,visible", "elm");
335 edje_object_signal_emit(VIEW(it), "elm,state,icon,hidden", "elm");
339 edje_object_part_text_set(VIEW(it), "elm.text", it->label);
340 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
343 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
344 edje_object_message_signal_process(VIEW(it));
348 _update_list(Widget_Data *wd)
351 Elm_Segment_Item *it;
357 if (wd->item_count == 1)
359 it = eina_list_nth(wd->seg_items, 0);
362 //Set the segment type
363 edje_object_signal_emit(VIEW(it),
364 "elm,type,segment,single", "elm");
366 //Set the segment state
367 if (wd->selected_item == it)
368 edje_object_signal_emit(VIEW(it),
369 "elm,state,segment,selected", "elm");
371 edje_object_signal_emit(VIEW(it),
372 "elm,state,segment,normal", "elm");
374 if (elm_widget_disabled_get(wd->obj))
375 edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
377 edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
379 _swallow_item_objects(it);
383 rtl = elm_widget_mirrored_get(wd->obj);
384 EINA_LIST_FOREACH(wd->seg_items, l, it)
388 //Set the segment type
392 edje_object_signal_emit(VIEW(it),
393 "elm,type,segment,right", "elm");
395 edje_object_signal_emit(VIEW(it),
396 "elm,type,segment,left", "elm");
398 else if (idx == (wd->item_count - 1))
401 edje_object_signal_emit(VIEW(it),
402 "elm,type,segment,left", "elm");
404 edje_object_signal_emit(VIEW(it),
405 "elm,type,segment,right", "elm");
408 edje_object_signal_emit(VIEW(it),
409 "elm,type,segment,middle", "elm");
411 //Set the segment state
412 if (wd->selected_item == it)
413 edje_object_signal_emit(VIEW(it),
414 "elm,state,segment,selected", "elm");
416 edje_object_signal_emit(VIEW(it),
417 "elm,state,segment,normal", "elm");
419 if (elm_widget_disabled_get(wd->obj))
420 edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
422 edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
424 _swallow_item_objects(it);
429 static Elm_Segment_Item *
430 _item_find(const Evas_Object *obj, int idx)
433 Elm_Segment_Item *it;
435 wd = elm_widget_data_get(obj);
436 if (!wd) return NULL;
438 it = eina_list_nth(wd->seg_items, idx);
442 static Elm_Segment_Item*
443 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label)
445 Elm_Segment_Item *it;
448 wd = elm_widget_data_get(obj);
449 if (!wd) return NULL;
451 it = elm_widget_item_new(obj, Elm_Segment_Item);
452 if (!it) return NULL;
453 elm_widget_item_data_set(it, wd);
455 VIEW(it) = edje_object_add(evas_object_evas_get(obj));
456 edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
457 *_elm_config->scale);
458 evas_object_smart_member_add(VIEW(it), obj);
459 elm_widget_sub_object_add(obj, VIEW(it));
460 evas_object_clip_set(VIEW(it), evas_object_clip_get(obj));
462 _elm_theme_object_set(obj, VIEW(it), "segment_control", "item",
463 elm_object_style_get(obj));
464 edje_object_mirrored_set(VIEW(it),
465 elm_widget_mirrored_get(WIDGET(it)));
468 eina_stringshare_replace(&it->label, label);
470 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
472 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
473 edje_object_message_signal_process(VIEW(it));
474 edje_object_part_text_set(VIEW(it), "elm.text", label);
477 if (it->icon) elm_widget_sub_object_add(VIEW(it), it->icon);
478 evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_DOWN,
480 evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_UP,
482 evas_object_show(VIEW(it));
488 elm_segment_control_add(Evas_Object *parent)
494 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
496 ELM_SET_WIDTYPE(widtype, "segment_control");
497 elm_widget_type_set(obj, "segment_control");
498 elm_widget_sub_object_add(parent, obj);
499 elm_widget_data_set(obj, wd);
500 elm_widget_del_hook_set(obj, _del_hook);
501 elm_widget_theme_hook_set(obj, _theme_hook);
502 elm_widget_disable_hook_set(obj, _disable_hook);
504 // TODO: Focus switch support to Elm_widget_Item not supported yet.
506 elm_widget_focus_next_hook_set(obj, _focus_next_hook);
511 wd->base = edje_object_add(e);
512 edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
513 *_elm_config->scale);
514 _elm_theme_object_set(obj, wd->base, "segment_control", "base", "default");
515 elm_widget_resize_object_set(obj, wd->base);
517 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
518 _on_move_resize, obj);
519 evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
520 _on_move_resize, obj);
522 evas_object_smart_callbacks_descriptions_set(obj, _signals);
527 EAPI Elm_Segment_Item *
528 elm_segment_control_item_add(Evas_Object *obj, Evas_Object *icon,
531 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
532 Elm_Segment_Item *it;
535 wd = elm_widget_data_get(obj);
536 if (!wd) return NULL;
538 it = _item_new(obj, icon, label);
539 if (!it) return NULL;
541 wd->seg_items = eina_list_append(wd->seg_items, it);
547 EAPI Elm_Segment_Item *
548 elm_segment_control_item_insert_at(Evas_Object *obj, Evas_Object *icon,
549 const char *label, int idx)
551 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
552 Elm_Segment_Item *it, *it_rel;
555 wd = elm_widget_data_get(obj);
556 if (!wd) return NULL;
557 if (idx < 0) idx = 0;
559 it = _item_new(obj, icon, label);
560 if (!it) return NULL;
562 it_rel = _item_find(obj, idx);
564 wd->seg_items = eina_list_prepend_relative(wd->seg_items, it, it_rel);
566 wd->seg_items = eina_list_append(wd->seg_items, it);
573 elm_segment_control_item_del(Elm_Segment_Item *it)
575 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
578 wd = elm_widget_item_data_get(it);
586 elm_segment_control_item_del_at(Evas_Object *obj, int idx)
588 ELM_CHECK_WIDTYPE(obj, widtype);
589 Elm_Segment_Item *it;
592 wd = elm_widget_data_get(obj);
595 it = _item_find(obj, idx);
602 elm_segment_control_item_label_get(const Evas_Object *obj, int idx)
604 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
605 Elm_Segment_Item *it;
607 it = _item_find(obj, idx);
608 if (it) return it->label;
614 elm_segment_control_item_label_set(Elm_Segment_Item* it, const char* label)
616 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
619 wd = elm_widget_item_data_get(it);
622 eina_stringshare_replace(&it->label, label);
624 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
626 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
627 edje_object_message_signal_process(VIEW(it));
628 //label can be NULL also.
629 edje_object_part_text_set(VIEW(it), "elm.text", it->label);
633 elm_segment_control_item_icon_get(const Evas_Object *obj, int idx)
635 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
636 Elm_Segment_Item *it;
638 it = _item_find(obj, idx);
639 if (it) return it->icon;
645 elm_segment_control_item_icon_set(Elm_Segment_Item *it, Evas_Object *icon)
647 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
649 //Remove the existing icon
652 edje_object_part_unswallow(VIEW(it), it->icon);
653 evas_object_del(it->icon);
660 elm_widget_sub_object_add(VIEW(it), it->icon);
661 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
662 edje_object_signal_emit(VIEW(it), "elm,state,icon,visible", "elm");
665 edje_object_signal_emit(VIEW(it), "elm,state,icon,hidden", "elm");
669 elm_segment_control_item_count_get(const Evas_Object *obj)
671 ELM_CHECK_WIDTYPE(obj, widtype) 0;
674 wd = elm_widget_data_get(obj);
677 return eina_list_count(wd->seg_items);
681 elm_segment_control_item_object_get(const Elm_Segment_Item *it)
683 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, NULL);
688 EAPI Elm_Segment_Item*
689 elm_segment_control_item_selected_get(const Evas_Object *obj)
691 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
694 wd = elm_widget_data_get(obj);
695 if (!wd) return NULL;
697 return wd->selected_item;
701 elm_segment_control_item_selected_set(Elm_Segment_Item *it, Eina_Bool selected)
703 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
706 wd = elm_widget_item_data_get(it);
709 if (it == wd->selected_item)
711 //already in selected state.
712 if (selected) return;
723 EAPI Elm_Segment_Item *
724 elm_segment_control_item_get(const Evas_Object *obj, int idx)
726 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
727 Elm_Segment_Item *it;
729 it = _item_find(obj, idx);
735 elm_segment_control_item_index_get(const Elm_Segment_Item *it)
737 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, -1);
739 return it->seg_index;