1 #include <Elementary.h>
5 * @defgroup SegmentControl SegmentControl
8 * SegmentControl object is a horizontal control made of multiple segments,
9 * each segment functioning as a discrete button. A segmented control affords a compact means to group together a number of controls.
10 * A segmented control can display a title or an image. The UISegmentedControl object automatically resizes segments to fit proportionally
11 * within their superview unless they have a specific width set. When you add and remove segments,
12 * you can request that the action be animated with sliding and fading effects.
14 typedef struct _Widget_Data Widget_Data;
24 Elm_Segment_Item *ani_it;
27 unsigned int insert_index;
28 unsigned int del_index;
29 unsigned int cur_seg_id;
31 // Eina_Bool longpressed : 1;
32 Eina_Bool selected : 1;
35 struct _Elm_Segment_Item
41 Eina_Bool delete_me : 1;
43 // Ecore_Timer *long_timer;
46 static void _mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info);
47 static void _mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
48 static void _signal_segment_on(void *data);
49 static void _theme_hook(Evas_Object *obj);
50 static void _item_free(Evas_Object *obj, Elm_Segment_Item *it);
51 static void _del_hook(Evas_Object *obj);
52 static void _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data);
53 static void _update_list(Evas_Object *obj);
54 static void _refresh_segment_ids(Evas_Object *obj);
55 static void _state_value_set(Evas_Object *obj);
57 static Elm_Segment_Item* _item_new(Evas_Object *obj, const char *label, Evas_Object *icon);
58 static Elm_Segment_Item *_item_find(Evas_Object *obj, unsigned int index);
60 static int * _animator_animate_add_cb(Evas_Object *obj);
61 static int * _animator_animate_del_cb(Evas_Object *obj);
64 _on_focus_hook(void *data, Evas_Object *obj)
66 Widget_Data *wd = elm_widget_data_get(obj);
69 if (elm_widget_focus_get(obj))
70 evas_object_focus_set((Evas_Object *)wd->seg_ctrl, 1);
72 evas_object_focus_set((Evas_Object *)wd->seg_ctrl, 0);
76 _signal_segment_on(void *data)
78 Elm_Segment_Item *item = (Elm_Segment_Item *) data;
79 Widget_Data *wd = elm_widget_data_get(item->obj);
83 wd->selected = EINA_TRUE;
85 /* if (item->long_timer)
87 ecore_timer_del(item->long_timer);
88 item->long_timer = NULL;
90 //wd->longpressed = EINA_TRUE;
91 edje_object_signal_emit(item->base, "elm,state,segment,on", "elm");
92 edje_object_signal_emit(item->base, "elm,state,text,change", "elm");
97 if (item->segment_id == wd->cur_seg_id)
99 wd->cur_seg_id = item->segment_id;
100 evas_object_smart_callback_call(item->obj, "changed", (void*)wd->cur_seg_id);
103 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
105 if (it->segment_id == wd->cur_seg_id)
107 edje_object_signal_emit(it->base, "elm,action,unfocus", "elm");
108 edje_object_signal_emit(it->base, "elm,state,segment,off", "elm");
109 edje_object_signal_emit(it->base, "elm,state,text,visible", "elm");
113 wd->cur_seg_id = item->segment_id;
114 evas_object_smart_callback_call(item->obj, "changed", (void*)wd->cur_seg_id);
119 _mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info)
121 Elm_Segment_Item *item = (Elm_Segment_Item *) data;
122 Widget_Data *wd = elm_widget_data_get(item->obj);
123 Evas_Event_Mouse_Up * ev = event_info;
124 Evas_Coord x, y, w, h;
128 evas_object_geometry_get(obj, &x, &y, &w, &h);
129 if(ev->output.x > x && ev->output.x < x+w && ev->output.y > y && ev->output.y < y+h && wd->selected == EINA_FALSE)
131 _signal_segment_on(item);
135 wd->selected = EINA_FALSE;
139 // if(wd->longpressed == EINA_FALSE)
141 edje_object_signal_emit(item->base, "elm,action,unfocus", "elm");
142 edje_object_signal_emit(item->base, "elm,state,text,visible", "elm");
144 /* if (item->long_timer)
146 ecore_timer_del(item->long_timer);
147 item->long_timer = NULL;
152 _mouse_move(void *data, Evas *evas, Evas_Object *obj, void *event_info)
154 Elm_Segment_Item *item = (Elm_Segment_Item *) data;
155 Widget_Data *wd = elm_widget_data_get(item->obj);
156 Evas_Event_Mouse_Move * ev = event_info;
157 Evas_Coord x, y, w, h;
161 evas_object_geometry_get(obj, &x, &y, &w, &h);
162 if(ev->cur.output.x > x && ev->cur.output.x < x+w && ev->cur.output.y > y && ev->cur.output.y < y+h)
167 // if(wd->longpressed == EINA_FALSE)
169 edje_object_signal_emit(item->base, "elm,action,unfocus", "elm");
170 edje_object_signal_emit(item->base, "elm,state,text,visible", "elm");
172 /* if (item->long_timer)
174 ecore_timer_del(item->long_timer);
175 item->long_timer = NULL;
180 _mouse_down(void *data, Evas *evas, Evas_Object *obj, void *event_info)
182 Elm_Segment_Item *item = (Elm_Segment_Item *) data;
183 Widget_Data *wd = elm_widget_data_get(item->obj);
186 //wd->longpressed = EINA_FALSE;
188 if (item->segment_id == wd->cur_seg_id)
190 wd->selected = EINA_TRUE;
194 edje_object_signal_emit(item->base, "elm,action,focus", "elm");
195 edje_object_signal_emit(item->base, "elm,state,text,visible", "elm");
197 _signal_segment_on(item);
199 /* if (item->long_timer) ecore_timer_del(item->long_timer);
200 item->long_timer = ecore_timer_add(0.3, _signal_segment_on, item);*/
204 _theme_hook(Evas_Object *obj)
206 _elm_theme_object_set(obj, obj, "segmented-control", "base", elm_widget_style_get(obj));
212 _item_free(Evas_Object *obj, Elm_Segment_Item *it)
214 Widget_Data *wd = elm_widget_data_get(obj);
218 wd->seg_ctrl = eina_list_remove(wd->seg_ctrl, it);
220 if(it->icon) evas_object_del(it->icon);
221 if(it->base) evas_object_del(it->base);
222 if(it->label) eina_stringshare_del(it->label);
223 // if (it->long_timer) ecore_timer_del(it->long_timer);
232 _del_hook(Evas_Object *obj)
234 Widget_Data *wd = elm_widget_data_get(obj);
235 Elm_Segment_Item *it;
236 Eina_List *l, *clear = NULL;
238 EINA_LIST_FOREACH(wd->seg_ctrl, l, it) clear = eina_list_append(clear, it);
239 EINA_LIST_FREE(clear, it) _item_free(obj, it);
249 _layout(Evas_Object *o, Evas_Object_Box_Data *priv, void *data)
251 Widget_Data *wd = data;
253 _els_box_layout(o, priv, 1, 0); /* making box layout non homogenous */
259 _segment_resizing(void *data)
261 Widget_Data *wd = elm_widget_data_get((Evas_Object *)data);
263 Evas_Coord w = 0, h = 0;
265 evas_object_geometry_get(wd->base, NULL, NULL, &w, &h);
266 wd->item_width = wd->width = w;
268 _state_value_set((Evas_Object *)data);
271 static void _object_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
275 wd = elm_widget_data_get((Evas_Object *)data);
278 ecore_job_add(_segment_resizing, (Evas_Object *)data);
282 * Add a new segmentcontrol to the parent
283 * @param parent The parent object
284 * @return The new object or NULL if it cannot be created
286 * @ingroup SegmentControl SegmentControl
289 elm_segment_control_add(Evas_Object *parent)
295 wd = ELM_NEW(Widget_Data);
296 e = evas_object_evas_get(parent);
297 obj = elm_widget_add(e);
298 elm_widget_type_set(obj, "segmented-control");
299 elm_widget_sub_object_add(parent, obj);
300 elm_widget_on_focus_hook_set( obj, _on_focus_hook, NULL );
301 elm_widget_data_set(obj, wd);
302 elm_widget_del_hook_set(obj, _del_hook);
303 elm_widget_theme_hook_set(obj, _theme_hook);
305 wd->base = edje_object_add(e);
306 _elm_theme_object_set(obj, wd->base, "segmented-control", "base", "default");
307 elm_widget_resize_object_set(obj, wd->base);
308 wd->box = evas_object_box_add(e);
309 evas_object_box_layout_set(wd->box, _layout, wd, NULL);
310 elm_widget_sub_object_add(obj, wd->box);
311 edje_object_part_swallow(wd->base, "elm.swallow.content", wd->box);
312 evas_object_show(wd->box);
314 evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _object_resize, obj);
317 wd->insert_index = 0;
319 wd->selected = EINA_FALSE;
324 static Elm_Segment_Item*
325 _item_new(Evas_Object *obj, const char *label, Evas_Object *icon)
327 Widget_Data *wd = elm_widget_data_get(obj);
328 if (!wd) return NULL;
330 Elm_Segment_Item *it;
331 it = calloc(1, sizeof( Elm_Segment_Item));
332 if (!it) return NULL;
336 if(obj) it->obj = obj;
337 it->delete_me = EINA_FALSE;
338 it->segment_id = wd->id;
340 it->base = edje_object_add(evas_object_evas_get(obj));
341 _elm_theme_object_set(obj, it->base, "segment", "base", elm_object_style_get(it->base));
343 if (it->label) eina_stringshare_del(it->label);
346 it->label = eina_stringshare_add(label);
353 if ((it->icon != icon) && (it->icon))
354 elm_widget_sub_object_del(obj, it->icon);
358 elm_widget_sub_object_add(obj, icon);
359 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
360 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
361 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
363 evas_object_size_hint_weight_set(it->base, 1.0, -1.0);
364 evas_object_size_hint_align_set(it->base, 1.0, -1.0);
365 evas_object_size_hint_min_set(it->base, -1, -1);
366 evas_object_size_hint_max_set(it->base, maxw, maxh);
369 edje_object_size_min_restricted_calc(obj, &mw, &mh, 0, 0);
370 evas_object_size_hint_weight_set(obj, 1.0, 1.0);
371 evas_object_size_hint_align_set(obj, -1.0, -1.0);
377 static void _update_list(Evas_Object *obj)
379 Widget_Data *wd = elm_widget_data_get(obj);
382 Elm_Segment_Item *it;
385 wd->count = eina_list_count(wd->seg_ctrl);
389 it = _item_find(obj, 0);
390 _elm_theme_object_set(obj, it->base, "segment", "base", "single"); edje_object_signal_emit(it->base, "elm,state,segment,on", "elm");
391 edje_object_signal_emit(it->base, "elm,state,text,visible", "elm");
392 edje_object_signal_emit(it->base, "elm,state,text,change", "elm");
393 edje_object_message_signal_process(it->base);
395 edje_object_part_text_set(it->base, "elm.text", it->label);
397 edje_object_part_swallow(it->base, "elm.swallow.content", it->icon);
398 edje_object_signal_emit(it->base, "elm,state,icon,visible", "elm");
402 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
406 _elm_theme_object_set(obj, it->base, "segment", "base", "first");
408 else if(i==wd->count-1)
410 _elm_theme_object_set(obj, it->base, "segment", "base", "last");
414 _elm_theme_object_set(obj, it->base, "segment", "base", "default");
417 edje_object_signal_emit(it->base, "elm,state,text,visible", "elm");
418 edje_object_message_signal_process(it->base);
420 edje_object_part_text_set(it->base, "elm.text", it->label);
422 edje_object_part_swallow(it->base, "elm.swallow.content", it->icon);
423 edje_object_signal_emit(it->base, "elm,state,icon,visible", "elm");
430 static void _refresh_segment_ids(Evas_Object *obj)
432 Widget_Data *wd = elm_widget_data_get(obj);
434 Elm_Segment_Item *it;
436 if (wd->insert_index && wd->cur_seg_id >= wd->insert_index)
439 wd->insert_index = 0;
443 if (wd->cur_seg_id >= wd->del_index)
448 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
455 static void _state_value_set(Evas_Object *obj)
457 Widget_Data *wd = elm_widget_data_get(obj);
459 Elm_Segment_Item *it;
461 Evas_Coord mw, mh, x, y;
463 unsigned int count = eina_list_count(wd->seg_ctrl);
465 wd->item_width = wd->width/count;
468 evas_object_geometry_get(wd->ani_it->base, &x, &y, &w1, NULL);
469 if (wd->ani_it->delete_me)
471 w1-=(wd->item_width/15);
476 w1+=(wd->item_width/15);
477 if( w1 > wd->item_width )
480 w2 = (wd->width-w1)/(count -1);
487 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
489 edje_object_size_min_restricted_calc(it->base, &mw, &mh, 0, 0);
490 evas_object_size_hint_weight_set(it->base, 1.0, 1.0);
491 evas_object_size_hint_align_set(it->base, -1.0, -1.0);
493 if(wd->ani_it && it == wd->ani_it)
495 evas_object_resize(it->base, w1, wd->height);
496 evas_object_size_hint_min_set(it->base, w1, wd->height);
497 evas_object_size_hint_max_set(it->base, w1, wd->height);
501 evas_object_resize(it->base, w2, wd->height);
502 evas_object_size_hint_min_set(it->base, w2, wd->height);
503 evas_object_size_hint_max_set(it->base, w2, wd->height);
513 _animator_animate_add_cb(Evas_Object *obj)
515 Widget_Data *wd = elm_widget_data_get(obj);
519 evas_object_geometry_get(wd->ani_it->base, NULL, NULL, &w, NULL);
520 if( w < wd->item_width )
522 _state_value_set(obj);
523 evas_object_geometry_get(wd->ani_it->base, NULL, NULL, &w, NULL);
524 return ECORE_CALLBACK_RENEW;
528 ecore_animator_del(wd->ani);
531 return ECORE_CALLBACK_CANCEL;
537 _animator_animate_del_cb(Evas_Object *obj)
539 Widget_Data *wd = elm_widget_data_get(obj);
542 evas_object_geometry_get(wd->ani_it->base, NULL, NULL, &w, NULL);
545 _state_value_set(obj);
546 evas_object_geometry_get(wd->ani_it->base, NULL, NULL, &w, NULL);
547 return ECORE_CALLBACK_RENEW;
551 _item_free(obj, wd->ani_it );
552 _refresh_segment_ids(obj);
553 ecore_animator_del(wd->ani);
557 wd->id = eina_list_count(wd->seg_ctrl);
558 return ECORE_CALLBACK_CANCEL;
563 * Add a new segment to segmentcontrol
564 * @param obj The SegmentControl object
565 * @param icon The icon object for added segment
566 * @param label The label for added segment
567 * @param animate If 1 the action be animated with sliding effects default 0.
568 * @return The new segment or NULL if it cannot be created
570 * @ingroup SegmentControl SegmentControl
573 EAPI Elm_Segment_Item *
574 elm_segment_control_add_segment(Evas_Object *obj, Evas_Object *icon, const char *label, Eina_Bool animate)
576 Widget_Data *wd = elm_widget_data_get(obj);
579 Elm_Segment_Item *it;
581 it = _item_new(obj, label, icon);
584 wd->seg_ctrl = eina_list_append(wd->seg_ctrl, it);
585 wd->id = eina_list_count(wd->seg_ctrl);
587 evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, it);
588 evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, it);
589 evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_UP, _mouse_up, it);
590 wd->insert_index = 0;
592 _refresh_segment_ids(obj);
594 if(animate && it->segment_id && wd->ani_it == NULL)
596 evas_object_resize(it->base, 1, wd->height);
598 wd->ani = ecore_animator_add( _animator_animate_add_cb, obj );
601 _state_value_set(obj);
602 evas_object_show( it->base);
604 evas_object_box_append(wd->box, it->base);
605 evas_object_smart_calculate(wd->box);
611 static Elm_Segment_Item *
612 _item_find(Evas_Object *obj, unsigned int index)
614 Widget_Data *wd = elm_widget_data_get(obj);
615 if (!wd) return NULL;
617 Elm_Segment_Item *it;
620 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
631 static Elm_Segment_Item *
632 _item_search(Evas_Object *obj, Elm_Segment_Item *item)
634 Widget_Data *wd = elm_widget_data_get(obj);
638 Elm_Segment_Item *it;
640 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
650 * Insert a new segment to segmentcontrol
651 * @param obj The SegmentControl object
652 * @param icon The icon object for added segment
653 * @param label The label for added segment
654 * @param index The position at which segment to be inserted
655 * @param animate If 1 the action be animated with sliding effects default 0.
656 * @return The new segment or NULL if it cannot be created
658 * @ingroup SegmentControl SegmentControl
661 elm_segment_control_insert_segment_at(Evas_Object *obj, Evas_Object *icon, const char *label, unsigned int index, Eina_Bool animate)
663 Widget_Data *wd = elm_widget_data_get(obj);
666 Elm_Segment_Item *it, *it_rel;
668 it = _item_new(obj, label, icon);
669 it_rel = _item_find(obj, index);
672 wd->seg_ctrl = eina_list_append(wd->seg_ctrl, it);
677 wd->seg_ctrl = eina_list_prepend_relative(wd->seg_ctrl, it, it_rel);
679 evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, it);
680 evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_UP, _mouse_up, it);
681 wd->insert_index = index;
682 wd->id = eina_list_count(wd->seg_ctrl);
683 _refresh_segment_ids(obj);
686 if(animate && it->segment_id && wd->ani_it == NULL)
689 evas_object_resize(it->base, 1, wd->height);
690 wd->ani = ecore_animator_add( _animator_animate_add_cb, obj );
693 _state_value_set(obj);
695 evas_object_show( it->base);
697 if(index >= wd->id-1)
699 evas_object_box_append(wd->box, it->base);
703 evas_object_box_insert_at(wd->box, it->base, index);
706 evas_object_smart_calculate(wd->box);
711 * Delete a segment to segmentcontrol
712 * @param obj The SegmentControl object
713 * @param item The Segment to be deleted
714 * @param animate If 1 the action be animated with sliding effects default 0.
716 * @ingroup SegmentControl SegmentControl
719 elm_segment_control_delete_segment(Evas_Object *obj, Elm_Segment_Item *item, Eina_Bool animate)
721 Widget_Data *wd = elm_widget_data_get(obj);
726 Elm_Segment_Item *it;
727 it = _item_search(obj, item);
730 wd->del_index = it->segment_id;
731 if(animate && it->segment_id && wd->ani_it == NULL)
733 it->delete_me = EINA_TRUE;
735 wd->ani = ecore_animator_add( _animator_animate_del_cb, obj );
739 evas_object_box_remove(wd->box, it->base);
740 evas_object_smart_calculate(wd->box);
742 _refresh_segment_ids(obj);
743 _state_value_set(obj);
746 wd->id = eina_list_count(wd->seg_ctrl);
751 * Delete a segment to segmentcontrol
752 * @param obj The SegmentControl object
753 * @param index The position at which segment to be deleted
754 * @param animate If 1 the action be animated with sliding effects default 0.
756 * @ingroup SegmentControl SegmentControl
760 elm_segment_control_delete_segment_at(Evas_Object *obj, unsigned int index, Eina_Bool animate)
762 Widget_Data *wd = elm_widget_data_get(obj);
764 Elm_Segment_Item *it;
766 it = _item_find(obj, index);
770 wd->del_index = index;
771 if(animate && it->segment_id)
773 if(wd->ani_it == NULL)
776 it->delete_me = EINA_TRUE;
777 wd->ani = ecore_animator_add( _animator_animate_del_cb, obj );
782 evas_object_box_remove(wd->box, it->base);
783 evas_object_smart_calculate(wd->box);
785 _refresh_segment_ids(obj);
786 _state_value_set(obj);
789 wd->id = eina_list_count(wd->seg_ctrl);
794 * Get the label of a segment of segmentcontrol
795 * @param obj The SegmentControl object
796 * @param index The index of the segment
799 * @ingroup SegmentControl SegmentControl
803 elm_segment_control_get_segment_label_at(Evas_Object *obj, unsigned int index)
805 Elm_Segment_Item *it_rel;
806 Widget_Data *wd = elm_widget_data_get(obj);
809 it_rel = _item_find(obj, index);
811 if(it_rel) return it_rel->label;
817 * Get the icon of a segment of segmentcontrol
818 * @param obj The SegmentControl object
819 * @param index The index of the segment
820 * @return The icon object
822 * @ingroup SegmentControl SegmentControl
826 elm_segment_control_get_segment_icon_at(Evas_Object *obj, unsigned int index)
828 Elm_Segment_Item *seg_rel;
829 Widget_Data *wd = elm_widget_data_get(obj);
832 seg_rel = _item_find(obj, index);
834 if(seg_rel) return seg_rel->icon;
840 * Get the currently selected segment of segmentcontrol
841 * @param obj The SegmentControl object
842 * @param value The current segment id
843 * @return The selected Segment
845 * @ingroup SegmentControl SegmentControl
848 EAPI Elm_Segment_Item *
849 elm_segment_control_selected_segment_get(const Evas_Object *obj, int *value)
851 Widget_Data *wd = elm_widget_data_get(obj);
852 if(!wd || !wd->seg_ctrl) return NULL;
854 Elm_Segment_Item *it;
857 EINA_LIST_FOREACH(wd->seg_ctrl, l, it)
859 if(it->segment_id == wd->cur_seg_id)
861 *value = wd->cur_seg_id;
869 * Get the count of segments of segmentcontrol
870 * @param obj The SegmentControl object
871 * @return The count of Segments
873 * @ingroup SegmentControl SegmentControl
877 elm_segment_control_get_segment_count(Evas_Object *obj)
879 Widget_Data *wd = elm_widget_data_get(obj);