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, it->base.view, "segment_control",
109 "item", elm_widget_style_get(obj));
110 edje_object_scale_set(it->base.view, elm_widget_scale_get(it->base.view)
111 *_elm_config->scale);
112 edje_object_mirrored_set(it->base.view, 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(it->base.view, "elm,state,segment,selected", "elm");
140 return it->base.view;
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(it->base.view, "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(it->base.view, "elm,state,segment,selected", "elm");
220 wd->selected_item = it;
221 evas_object_smart_callback_call(wd->obj, SIG_CHANGED, (void *)(unsigned long)it->seg_index);
225 _position_items(Widget_Data *wd)
228 Elm_Segment_Item *it;
230 int bx, by, bw, bh, pos;
232 wd->item_count = eina_list_count(wd->seg_items);
233 if (wd->item_count <= 0) return;
235 evas_object_geometry_get(wd->base, &bx, &by, &bw, &bh);
236 wd->item_width = bw / wd->item_count;
237 rtl = elm_widget_mirrored_get(wd->obj);
240 pos = bx + bw - wd->item_width;
244 EINA_LIST_FOREACH(wd->seg_items, l, it)
246 evas_object_move(it->base.view, pos, by);
247 evas_object_resize(it->base.view, wd->item_width, bh);
249 pos -= wd->item_width;
251 pos += wd->item_width;
253 _sizing_eval(wd->obj);
257 _on_move_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
258 void *event_info __UNUSED__)
262 wd = elm_widget_data_get(data);
270 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
274 Elm_Segment_Item *it;
275 Evas_Event_Mouse_Up *ev;
276 Evas_Coord x, y, w, h;
281 wd = elm_widget_item_data_get(it);
284 if (elm_widget_disabled_get(wd->obj)) return;
286 if (it == wd->selected_item) return;
289 evas_object_geometry_get(it->base.view, &x, &y, &w, &h);
291 if ((ev->canvas.x >= x) && (ev->output.x <= (x + w)) && (ev->canvas.y >= y)
292 && (ev->canvas.y <= (y + h)))
295 edje_object_signal_emit(it->base.view, "elm,state,segment,normal", "elm");
299 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__,
300 void *event_info __UNUSED__)
303 Elm_Segment_Item *it;
308 wd = elm_widget_item_data_get(it);
311 if (elm_widget_disabled_get(wd->obj)) return;
313 if (it == wd->selected_item) return;
315 edje_object_signal_emit(it->base.view, "elm,state,segment,pressed", "elm");
319 _swallow_item_objects(Elm_Segment_Item *it)
325 edje_object_part_swallow(it->base.view, "elm.swallow.icon", it->icon);
326 edje_object_signal_emit(it->base.view, "elm,state,icon,visible", "elm");
329 edje_object_signal_emit(it->base.view, "elm,state,icon,hidden", "elm");
333 edje_object_part_text_set(it->base.view, "elm.text", it->label);
334 edje_object_signal_emit(it->base.view, "elm,state,text,visible", "elm");
337 edje_object_signal_emit(it->base.view, "elm,state,text,hidden", "elm");
338 edje_object_message_signal_process(it->base.view);
342 _update_list(Widget_Data *wd)
345 Elm_Segment_Item *it;
351 if (wd->item_count == 1)
353 it = eina_list_nth(wd->seg_items, 0);
356 //Set the segment type
357 edje_object_signal_emit(it->base.view,
358 "elm,type,segment,single", "elm");
360 //Set the segment state
361 if (wd->selected_item == it)
362 edje_object_signal_emit(it->base.view,
363 "elm,state,segment,selected", "elm");
365 edje_object_signal_emit(it->base.view,
366 "elm,state,segment,normal", "elm");
368 if (elm_widget_disabled_get(wd->obj))
369 edje_object_signal_emit(it->base.view, "elm,state,disabled", "elm");
371 _swallow_item_objects(it);
375 rtl = elm_widget_mirrored_get(wd->obj);
376 EINA_LIST_FOREACH(wd->seg_items, l, it)
380 //Set the segment type
384 edje_object_signal_emit(it->base.view,
385 "elm,type,segment,right", "elm");
387 edje_object_signal_emit(it->base.view,
388 "elm,type,segment,left", "elm");
390 else if (idx == (wd->item_count - 1))
393 edje_object_signal_emit(it->base.view,
394 "elm,type,segment,left", "elm");
396 edje_object_signal_emit(it->base.view,
397 "elm,type,segment,right", "elm");
400 edje_object_signal_emit(it->base.view,
401 "elm,type,segment,middle", "elm");
403 //Set the segment state
404 if (wd->selected_item == it)
405 edje_object_signal_emit(it->base.view,
406 "elm,state,segment,selected", "elm");
408 edje_object_signal_emit(it->base.view,
409 "elm,state,segment,normal", "elm");
411 if (elm_widget_disabled_get(wd->obj))
412 edje_object_signal_emit(it->base.view, "elm,state,disabled", "elm");
414 _swallow_item_objects(it);
419 static Elm_Segment_Item *
420 _item_find(const Evas_Object *obj, int idx)
423 Elm_Segment_Item *it;
425 wd = elm_widget_data_get(obj);
426 if (!wd) return NULL;
428 it = eina_list_nth(wd->seg_items, idx);
432 static Elm_Segment_Item*
433 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label)
435 Elm_Segment_Item *it;
438 wd = elm_widget_data_get(obj);
439 if (!wd) return NULL;
441 it = elm_widget_item_new(obj, Elm_Segment_Item);
442 if (!it) return NULL;
443 elm_widget_item_data_set(it, wd);
445 it->base.view = edje_object_add(evas_object_evas_get(obj));
446 edje_object_scale_set(it->base.view, elm_widget_scale_get(it->base.view)
447 *_elm_config->scale);
448 evas_object_smart_member_add(it->base.view, obj);
449 elm_widget_sub_object_add(obj, it->base.view);
450 evas_object_clip_set(it->base.view, evas_object_clip_get(obj));
452 _elm_theme_object_set(obj, it->base.view, "segment_control", "item",
453 elm_object_style_get(obj));
454 edje_object_mirrored_set(it->base.view,
455 elm_widget_mirrored_get(it->base.widget));
458 eina_stringshare_replace(&it->label, label);
460 edje_object_signal_emit(it->base.view, "elm,state,text,visible", "elm");
462 edje_object_signal_emit(it->base.view, "elm,state,text,hidden", "elm");
463 edje_object_message_signal_process(it->base.view);
464 edje_object_part_text_set(it->base.view, "elm.text", label);
467 if (it->icon) elm_widget_sub_object_add(it->base.view, it->icon);
468 evas_object_event_callback_add(it->base.view, EVAS_CALLBACK_MOUSE_DOWN,
470 evas_object_event_callback_add(it->base.view, EVAS_CALLBACK_MOUSE_UP,
472 evas_object_show(it->base.view);
478 elm_segment_control_add(Evas_Object *parent)
484 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
486 ELM_SET_WIDTYPE(widtype, "segment_control");
487 elm_widget_type_set(obj, "segment_control");
488 elm_widget_sub_object_add(parent, obj);
489 elm_widget_data_set(obj, wd);
490 elm_widget_del_hook_set(obj, _del_hook);
491 elm_widget_theme_hook_set(obj, _theme_hook);
492 elm_widget_disable_hook_set(obj, _disable_hook);
494 // TODO: Focus switch support to Elm_widget_Item not supported yet.
496 elm_widget_focus_next_hook_set(obj, _focus_next_hook);
501 wd->base = edje_object_add(e);
502 edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
503 *_elm_config->scale);
504 _elm_theme_object_set(obj, wd->base, "segment_control", "base", "default");
505 elm_widget_resize_object_set(obj, wd->base);
507 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
508 _on_move_resize, obj);
509 evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
510 _on_move_resize, obj);
512 evas_object_smart_callbacks_descriptions_set(obj, _signals);
517 EAPI Elm_Segment_Item *
518 elm_segment_control_item_add(Evas_Object *obj, Evas_Object *icon,
521 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
522 Elm_Segment_Item *it;
525 wd = elm_widget_data_get(obj);
526 if (!wd) return NULL;
528 it = _item_new(obj, icon, label);
529 if (!it) return NULL;
531 wd->seg_items = eina_list_append(wd->seg_items, it);
537 EAPI Elm_Segment_Item *
538 elm_segment_control_item_insert_at(Evas_Object *obj, Evas_Object *icon,
539 const char *label, int idx)
541 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
542 Elm_Segment_Item *it, *it_rel;
545 wd = elm_widget_data_get(obj);
546 if (!wd) return NULL;
547 if (idx < 0) idx = 0;
549 it = _item_new(obj, icon, label);
550 if (!it) return NULL;
552 it_rel = _item_find(obj, idx);
554 wd->seg_items = eina_list_prepend_relative(wd->seg_items, it, it_rel);
556 wd->seg_items = eina_list_append(wd->seg_items, it);
563 elm_segment_control_item_del(Elm_Segment_Item *it)
565 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
568 wd = elm_widget_item_data_get(it);
576 elm_segment_control_item_del_at(Evas_Object *obj, int idx)
578 ELM_CHECK_WIDTYPE(obj, widtype);
579 Elm_Segment_Item *it;
582 wd = elm_widget_data_get(obj);
585 it = _item_find(obj, idx);
592 elm_segment_control_item_label_get(const Evas_Object *obj, int idx)
594 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
595 Elm_Segment_Item *it;
597 it = _item_find(obj, idx);
598 if (it) return it->label;
604 elm_segment_control_item_label_set(Elm_Segment_Item* it, const char* label)
606 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
609 wd = elm_widget_item_data_get(it);
612 eina_stringshare_replace(&it->label, label);
614 edje_object_signal_emit(it->base.view, "elm,state,text,visible", "elm");
616 edje_object_signal_emit(it->base.view, "elm,state,text,hidden", "elm");
617 edje_object_message_signal_process(it->base.view);
618 //label can be NULL also.
619 edje_object_part_text_set(it->base.view, "elm.text", it->label);
623 elm_segment_control_item_icon_get(const Evas_Object *obj, int idx)
625 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
626 Elm_Segment_Item *it;
628 it = _item_find(obj, idx);
629 if (it) return it->icon;
635 elm_segment_control_item_icon_set(Elm_Segment_Item *it, Evas_Object *icon)
637 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
639 //Remove the existing icon
642 edje_object_part_unswallow(it->base.view, it->icon);
643 evas_object_del(it->icon);
650 elm_widget_sub_object_add(it->base.view, it->icon);
651 edje_object_part_swallow(it->base.view, "elm.swallow.icon", it->icon);
652 edje_object_signal_emit(it->base.view, "elm,state,icon,visible", "elm");
655 edje_object_signal_emit(it->base.view, "elm,state,icon,hidden", "elm");
659 elm_segment_control_item_count_get(const Evas_Object *obj)
661 ELM_CHECK_WIDTYPE(obj, widtype) 0;
664 wd = elm_widget_data_get(obj);
667 return eina_list_count(wd->seg_items);
671 elm_segment_control_item_object_get(const Elm_Segment_Item *it)
673 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, NULL);
675 return it->base.view;
678 EAPI Elm_Segment_Item*
679 elm_segment_control_item_selected_get(const Evas_Object *obj)
681 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
684 wd = elm_widget_data_get(obj);
685 if (!wd) return NULL;
687 return wd->selected_item;
691 elm_segment_control_item_selected_set(Elm_Segment_Item *it, Eina_Bool selected)
693 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
696 wd = elm_widget_item_data_get(it);
699 if (it == wd->selected_item)
701 //already in selected state.
702 if (selected) return;
713 EAPI Elm_Segment_Item *
714 elm_segment_control_item_get(const Evas_Object *obj, int idx)
716 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
717 Elm_Segment_Item *it;
719 it = _item_find(obj, idx);
725 elm_segment_control_item_index_get(const Elm_Segment_Item *it)
727 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, -1);
729 return it->seg_index;