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, (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(VIEW(it), pos, by);
247 evas_object_resize(VIEW(it), 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(VIEW(it), &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(VIEW(it), "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(VIEW(it), "elm,state,segment,pressed", "elm");
319 _swallow_item_objects(Elm_Segment_Item *it)
325 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
326 edje_object_signal_emit(VIEW(it), "elm,state,icon,visible", "elm");
329 edje_object_signal_emit(VIEW(it), "elm,state,icon,hidden", "elm");
333 edje_object_part_text_set(VIEW(it), "elm.text", it->label);
334 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
337 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
338 edje_object_message_signal_process(VIEW(it));
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(VIEW(it),
358 "elm,type,segment,single", "elm");
360 //Set the segment state
361 if (wd->selected_item == it)
362 edje_object_signal_emit(VIEW(it),
363 "elm,state,segment,selected", "elm");
365 edje_object_signal_emit(VIEW(it),
366 "elm,state,segment,normal", "elm");
368 if (elm_widget_disabled_get(wd->obj))
369 edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
371 edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
373 _swallow_item_objects(it);
377 rtl = elm_widget_mirrored_get(wd->obj);
378 EINA_LIST_FOREACH(wd->seg_items, l, it)
382 //Set the segment type
386 edje_object_signal_emit(VIEW(it),
387 "elm,type,segment,right", "elm");
389 edje_object_signal_emit(VIEW(it),
390 "elm,type,segment,left", "elm");
392 else if (idx == (wd->item_count - 1))
395 edje_object_signal_emit(VIEW(it),
396 "elm,type,segment,left", "elm");
398 edje_object_signal_emit(VIEW(it),
399 "elm,type,segment,right", "elm");
402 edje_object_signal_emit(VIEW(it),
403 "elm,type,segment,middle", "elm");
405 //Set the segment state
406 if (wd->selected_item == it)
407 edje_object_signal_emit(VIEW(it),
408 "elm,state,segment,selected", "elm");
410 edje_object_signal_emit(VIEW(it),
411 "elm,state,segment,normal", "elm");
413 if (elm_widget_disabled_get(wd->obj))
414 edje_object_signal_emit(VIEW(it), "elm,state,disabled", "elm");
416 edje_object_signal_emit(VIEW(it), "elm,state,enabled", "elm");
418 _swallow_item_objects(it);
423 static Elm_Segment_Item *
424 _item_find(const Evas_Object *obj, int idx)
427 Elm_Segment_Item *it;
429 wd = elm_widget_data_get(obj);
430 if (!wd) return NULL;
432 it = eina_list_nth(wd->seg_items, idx);
436 static Elm_Segment_Item*
437 _item_new(Evas_Object *obj, Evas_Object *icon, const char *label)
439 Elm_Segment_Item *it;
442 wd = elm_widget_data_get(obj);
443 if (!wd) return NULL;
445 it = elm_widget_item_new(obj, Elm_Segment_Item);
446 if (!it) return NULL;
447 elm_widget_item_data_set(it, wd);
449 VIEW(it) = edje_object_add(evas_object_evas_get(obj));
450 edje_object_scale_set(VIEW(it), elm_widget_scale_get(VIEW(it))
451 *_elm_config->scale);
452 evas_object_smart_member_add(VIEW(it), obj);
453 elm_widget_sub_object_add(obj, VIEW(it));
454 evas_object_clip_set(VIEW(it), evas_object_clip_get(obj));
456 _elm_theme_object_set(obj, VIEW(it), "segment_control", "item",
457 elm_object_style_get(obj));
458 edje_object_mirrored_set(VIEW(it),
459 elm_widget_mirrored_get(WIDGET(it)));
462 eina_stringshare_replace(&it->label, label);
464 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
466 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
467 edje_object_message_signal_process(VIEW(it));
468 edje_object_part_text_set(VIEW(it), "elm.text", label);
471 if (it->icon) elm_widget_sub_object_add(VIEW(it), it->icon);
472 evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_DOWN,
474 evas_object_event_callback_add(VIEW(it), EVAS_CALLBACK_MOUSE_UP,
476 evas_object_show(VIEW(it));
482 elm_segment_control_add(Evas_Object *parent)
488 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
490 ELM_SET_WIDTYPE(widtype, "segment_control");
491 elm_widget_type_set(obj, "segment_control");
492 elm_widget_sub_object_add(parent, obj);
493 elm_widget_data_set(obj, wd);
494 elm_widget_del_hook_set(obj, _del_hook);
495 elm_widget_theme_hook_set(obj, _theme_hook);
496 elm_widget_disable_hook_set(obj, _disable_hook);
498 // TODO: Focus switch support to Elm_widget_Item not supported yet.
500 elm_widget_focus_next_hook_set(obj, _focus_next_hook);
505 wd->base = edje_object_add(e);
506 edje_object_scale_set(wd->base, elm_widget_scale_get(wd->base)
507 *_elm_config->scale);
508 _elm_theme_object_set(obj, wd->base, "segment_control", "base", "default");
509 elm_widget_resize_object_set(obj, wd->base);
511 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE,
512 _on_move_resize, obj);
513 evas_object_event_callback_add(obj, EVAS_CALLBACK_MOVE,
514 _on_move_resize, obj);
516 evas_object_smart_callbacks_descriptions_set(obj, _signals);
521 EAPI Elm_Segment_Item *
522 elm_segment_control_item_add(Evas_Object *obj, Evas_Object *icon,
525 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
526 Elm_Segment_Item *it;
529 wd = elm_widget_data_get(obj);
530 if (!wd) return NULL;
532 it = _item_new(obj, icon, label);
533 if (!it) return NULL;
535 wd->seg_items = eina_list_append(wd->seg_items, it);
541 EAPI Elm_Segment_Item *
542 elm_segment_control_item_insert_at(Evas_Object *obj, Evas_Object *icon,
543 const char *label, int idx)
545 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
546 Elm_Segment_Item *it, *it_rel;
549 wd = elm_widget_data_get(obj);
550 if (!wd) return NULL;
551 if (idx < 0) idx = 0;
553 it = _item_new(obj, icon, label);
554 if (!it) return NULL;
556 it_rel = _item_find(obj, idx);
558 wd->seg_items = eina_list_prepend_relative(wd->seg_items, it, it_rel);
560 wd->seg_items = eina_list_append(wd->seg_items, it);
567 elm_segment_control_item_del(Elm_Segment_Item *it)
569 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
572 wd = elm_widget_item_data_get(it);
580 elm_segment_control_item_del_at(Evas_Object *obj, int idx)
582 ELM_CHECK_WIDTYPE(obj, widtype);
583 Elm_Segment_Item *it;
586 wd = elm_widget_data_get(obj);
589 it = _item_find(obj, idx);
596 elm_segment_control_item_label_get(const Evas_Object *obj, int idx)
598 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
599 Elm_Segment_Item *it;
601 it = _item_find(obj, idx);
602 if (it) return it->label;
608 elm_segment_control_item_label_set(Elm_Segment_Item* it, const char* label)
610 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
613 wd = elm_widget_item_data_get(it);
616 eina_stringshare_replace(&it->label, label);
618 edje_object_signal_emit(VIEW(it), "elm,state,text,visible", "elm");
620 edje_object_signal_emit(VIEW(it), "elm,state,text,hidden", "elm");
621 edje_object_message_signal_process(VIEW(it));
622 //label can be NULL also.
623 edje_object_part_text_set(VIEW(it), "elm.text", it->label);
627 elm_segment_control_item_icon_get(const Evas_Object *obj, int idx)
629 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
630 Elm_Segment_Item *it;
632 it = _item_find(obj, idx);
633 if (it) return it->icon;
639 elm_segment_control_item_icon_set(Elm_Segment_Item *it, Evas_Object *icon)
641 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
643 //Remove the existing icon
646 edje_object_part_unswallow(VIEW(it), it->icon);
647 evas_object_del(it->icon);
654 elm_widget_sub_object_add(VIEW(it), it->icon);
655 edje_object_part_swallow(VIEW(it), "elm.swallow.icon", it->icon);
656 edje_object_signal_emit(VIEW(it), "elm,state,icon,visible", "elm");
659 edje_object_signal_emit(VIEW(it), "elm,state,icon,hidden", "elm");
663 elm_segment_control_item_count_get(const Evas_Object *obj)
665 ELM_CHECK_WIDTYPE(obj, widtype) 0;
668 wd = elm_widget_data_get(obj);
671 return eina_list_count(wd->seg_items);
675 elm_segment_control_item_object_get(const Elm_Segment_Item *it)
677 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, NULL);
682 EAPI Elm_Segment_Item*
683 elm_segment_control_item_selected_get(const Evas_Object *obj)
685 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
688 wd = elm_widget_data_get(obj);
689 if (!wd) return NULL;
691 return wd->selected_item;
695 elm_segment_control_item_selected_set(Elm_Segment_Item *it, Eina_Bool selected)
697 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it);
700 wd = elm_widget_item_data_get(it);
703 if (it == wd->selected_item)
705 //already in selected state.
706 if (selected) return;
717 EAPI Elm_Segment_Item *
718 elm_segment_control_item_get(const Evas_Object *obj, int idx)
720 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
721 Elm_Segment_Item *it;
723 it = _item_find(obj, idx);
729 elm_segment_control_item_index_get(const Elm_Segment_Item *it)
731 ELM_WIDGET_ITEM_WIDTYPE_CHECK_OR_RETURN(it, -1);
733 return it->seg_index;