1 #include <Elementary.h>
5 * @defgroup Bubble Bubble
8 * The Bubble is an widget used to show a text in a frame as speech is
9 * represented in comics.
11 * Signals that you can add callbacks for are:
13 * "clicked" - This is called when a user has clicked the bubble.
16 typedef struct _Widget_Data Widget_Data;
18 #define SWEEP_SUPPORT 1
23 Evas_Object *content, *icon;
24 const char *label, *info, *corner;
28 Evas_Coord_Point down_point;
33 #define SWEEP_THRESHOLD 100
36 static const char *widtype = NULL;
37 static void _del_hook(Evas_Object *obj);
38 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
39 static void _theme_hook(Evas_Object *obj);
40 static void _sizing_eval(Evas_Object *obj);
41 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
42 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
44 #define SIG_CLICKED "clicked"
45 static const Evas_Smart_Cb_Description _signals[] =
52 _del_hook(Evas_Object *obj)
54 Widget_Data *wd = elm_widget_data_get(obj);
56 if (wd->label) eina_stringshare_del(wd->label);
57 if (wd->info) eina_stringshare_del(wd->info);
58 if (wd->corner) eina_stringshare_del(wd->corner);
63 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
65 Widget_Data *wd = elm_widget_data_get(obj);
67 edje_object_mirrored_set(wd->bbl, rtl);
71 _theme_hook(Evas_Object *obj)
73 Widget_Data *wd = elm_widget_data_get(obj);
75 _elm_widget_mirrored_reload(obj);
76 _mirrored_set(obj, elm_widget_mirrored_get(obj));
77 _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
78 elm_widget_style_get(obj));
79 edje_object_part_text_set(wd->bbl, "elm.text", wd->label);
80 if (wd->label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
81 else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
82 edje_object_part_text_set(wd->bbl, "elm.info", wd->info);
83 if (wd->info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
84 else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
87 edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
88 edje_object_message_signal_process(wd->bbl);
91 edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
93 edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
94 edje_object_scale_set(wd->bbl,
95 elm_widget_scale_get(obj) * _elm_config->scale);
100 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
102 Widget_Data *wd = elm_widget_data_get(obj);
105 if ((!wd) || (!wd->content))
110 /* Try Focus cycle in subitem */
111 return elm_widget_focus_next_get(cur, dir, next);
115 _sizing_eval(Evas_Object *obj)
117 Widget_Data *wd = elm_widget_data_get(obj);
118 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
120 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
121 edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
122 evas_object_size_hint_min_set(obj, minw, minh);
123 evas_object_size_hint_max_set(obj, maxw, maxh);
127 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
129 Widget_Data *wd = elm_widget_data_get(data);
135 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
137 Widget_Data *wd = elm_widget_data_get(obj);
138 Evas_Object *sub = event_info;
140 evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
141 _changed_size_hints, obj);
142 if (sub == wd->content) wd->content = NULL;
143 else if (sub == wd->icon)
145 edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
147 edje_object_message_signal_process(wd->bbl);
154 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
156 Widget_Data *wd = elm_widget_data_get(data);
157 Evas_Event_Mouse_Down *ev = event_info;
159 wd->down = EINA_TRUE;
160 wd->down_point.x = ev->canvas.x;
161 wd->down_point.y = ev->canvas.y;
166 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
168 Evas_Event_Mouse_Up *ev = event_info;
169 Widget_Data *wd = elm_widget_data_get(data);
170 if (!wd->down) return;
171 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
174 if (ev->canvas.x - wd->down_point.x > SWEEP_THRESHOLD)
175 evas_object_smart_callback_call(data, "sweep,left,right", NULL);
176 else if (wd->down_point.x - ev->canvas.x > SWEEP_THRESHOLD)
177 evas_object_smart_callback_call(data, "sweep,right,left", NULL);
179 wd->down = EINA_FALSE;
180 wd->down_point.x = 0;
181 wd->down_point.y = 0;
185 evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
189 * Add a new bubble to the parent
191 * @param parent The parent object
192 * @return The new object or NULL if it cannot be created
194 * This function adds a text bubble to the given parent evas object.
199 elm_bubble_add(Evas_Object *parent)
205 ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
207 ELM_SET_WIDTYPE(widtype, "bubble");
208 elm_widget_type_set(obj, "bubble");
209 elm_widget_sub_object_add(parent, obj);
210 elm_widget_data_set(obj, wd);
211 elm_widget_del_hook_set(obj, _del_hook);
212 elm_widget_theme_hook_set(obj, _theme_hook);
213 elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
214 elm_widget_can_focus_set(obj, EINA_FALSE);
216 wd->corner = eina_stringshare_add("base");
218 wd->bbl = edje_object_add(e);
219 elm_widget_resize_object_set(obj, wd->bbl);
221 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
222 evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
225 evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_DOWN,
228 wd->down = EINA_FALSE;
229 wd->down_point.x = 0;
230 wd->down_point.y = 0;
232 evas_object_smart_callbacks_descriptions_set(obj, _signals);
233 _mirrored_set(obj, elm_widget_mirrored_get(obj));
234 _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
235 elm_widget_style_get(obj));
241 * Set the label of the bubble
243 * @param obj The bubble object
244 * @param label The string to set in the label
246 * This function sets the title of the bubble that is shown on top of
252 elm_bubble_label_set(Evas_Object *obj, const char *label)
254 ELM_CHECK_WIDTYPE(obj, widtype);
255 Widget_Data *wd = elm_widget_data_get(obj);
257 eina_stringshare_replace(&wd->label, label);
258 edje_object_part_text_set(wd->bbl, "elm.text", label);
259 if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
260 else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
265 * Get the label of the bubble
267 * @param obj The bubble object
268 * @return The string of set in the label
270 * This function gets the title of the bubble that is shown on top of
276 elm_bubble_label_get(const Evas_Object *obj)
278 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
279 Widget_Data *wd = elm_widget_data_get(obj);
280 if (!wd) return NULL;
285 * Set the info of the bubble
287 * @param obj The bubble object
288 * @param info The given info about the bubble
290 * This function sets the text shown on the top right of bubble.
291 * In the Anchorblock example of the Elementary tests application it
298 elm_bubble_info_set(Evas_Object *obj, const char *info)
300 ELM_CHECK_WIDTYPE(obj, widtype);
301 Widget_Data *wd = elm_widget_data_get(obj);
303 eina_stringshare_replace(&wd->info, info);
304 edje_object_part_text_set(wd->bbl, "elm.info", info);
305 if (info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
306 else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
311 * Get the info of the bubble
313 * @param obj The bubble object
315 * @return The "info" string of the bubble
317 * This function gets the text set to be displayed at the top right of
324 elm_bubble_info_get(const Evas_Object *obj)
326 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
327 Widget_Data *wd = elm_widget_data_get(obj);
328 if (!wd) return NULL;
333 * Set the content to be shown in the bubble
335 * Once the content object is set, a previously set one will be deleted.
336 * If you want to keep the old content object, use the
337 * elm_bubble_content_unset() function.
339 * @param obj The bubble object
340 * @param content The given content of the bubble
342 * This function sets the content shown on the middle of the bubble.
343 * In the Anchorblock example of the Elementary tests application it
349 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
351 ELM_CHECK_WIDTYPE(obj, widtype);
352 Widget_Data *wd = elm_widget_data_get(obj);
354 if (wd->content == content) return;
355 if (wd->content) evas_object_del(wd->content);
356 wd->content = content;
359 elm_widget_sub_object_add(obj, content);
360 evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
361 _changed_size_hints, obj);
362 edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
368 * Get the content shown in the bubble
370 * Return the content object which is set for this widget.
372 * @param obj The bubble object
373 * @return The content that is being used
378 elm_bubble_content_get(const Evas_Object *obj)
380 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
381 Widget_Data *wd = elm_widget_data_get(obj);
382 if (!wd) return NULL;
387 * Unset the content shown in the bubble
389 * Unparent and return the content object which was set for this widget.
391 * @param obj The bubble object
392 * @return The content that was being used
397 elm_bubble_content_unset(Evas_Object *obj)
399 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
400 Widget_Data *wd = elm_widget_data_get(obj);
401 Evas_Object *content;
402 if (!wd) return NULL;
403 if (!wd->content) return NULL;
404 content = wd->content;
405 elm_widget_sub_object_del(obj, content);
406 edje_object_part_unswallow(wd->bbl, content);
412 * Set the icon of the bubble
414 * Once the icon object is set, a previously set one will be deleted.
415 * If you want to keep the old content object, use the
416 * elm_icon_content_unset() function.
418 * @param obj The bubble object
419 * @param icon The given icon for the bubble
424 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
426 ELM_CHECK_WIDTYPE(obj, widtype);
427 Widget_Data *wd = elm_widget_data_get(obj);
429 if (wd->icon == icon) return;
430 if (wd->icon) evas_object_del(wd->icon);
434 elm_widget_sub_object_add(obj, icon);
435 edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
436 evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
437 _changed_size_hints, obj);
438 edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
439 edje_object_message_signal_process(wd->bbl);
445 * Get the icon of the bubble
447 * @param obj The bubble object
448 * @return The icon for the bubble
450 * This function gets the icon shown on the top left of bubble.
455 elm_bubble_icon_get(const Evas_Object *obj)
457 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
458 Widget_Data *wd = elm_widget_data_get(obj);
459 if (!wd) return NULL;
464 * Unset the icon of the bubble
466 * Unparent and return the icon object which was set for this widget.
468 * @param obj The bubble object
469 * @return The icon that was being used
474 elm_bubble_icon_unset(Evas_Object *obj)
476 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
477 Widget_Data *wd = elm_widget_data_get(obj);
479 if (!wd) return NULL;
480 if (!wd->icon) return NULL;
482 elm_widget_sub_object_del(obj, icon);
483 edje_object_part_unswallow(wd->bbl, icon);
489 * Set the sweep layout
491 * @param obj The bubble object
492 * @param content The given content of the bubble
494 * This function sets the sweep layout when "sweep,left,right"signal is emitted.
499 elm_bubble_sweep_layout_set(Evas_Object *obj, Evas_Object *sweep)
501 ELM_CHECK_WIDTYPE(obj, widtype);
502 Widget_Data *wd = elm_widget_data_get(obj);
505 if (wd->sweep == sweep) return;
506 if (wd->sweep) evas_object_del(wd->sweep);
509 edje_object_part_swallow(wd->bbl, "elm.swallow.sweep", sweep);
514 * Unset and hide the sweep layout
516 * @param obj The bubble object
517 * @param content The given content of the bubble
519 * This function sets the sweep layout when "sweep,right,left"signal is emitted.
524 elm_bubble_sweep_layout_unset(Evas_Object *obj)
526 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
527 Widget_Data *wd = elm_widget_data_get(obj);
528 Evas_Object *sweep = NULL;
529 if (!wd) return NULL;
531 if (!wd->sweep) return NULL;
533 edje_object_part_unswallow(wd->bbl, sweep);
534 evas_object_hide(sweep);
541 * Set the corner of the bubble
543 * @param obj The bubble object.
544 * @param corner The given corner for the bubble.
546 * This function sets the corner of the bubble.
547 * The corner will be used to find the group in the theme
548 * For example, if you set the corner to "bottom_right",
549 * the following group will be searched:
550 * "elm/bubble/bottom_right/default",
551 * considering default style.
556 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
558 ELM_CHECK_WIDTYPE(obj, widtype);
559 Widget_Data *wd = elm_widget_data_get(obj);
561 EINA_SAFETY_ON_NULL_RETURN(corner);
562 eina_stringshare_replace(&wd->corner, corner);
567 * Get the corner of the bubble
569 * @param obj The bubble object.
570 * @return The given corner for the bubble.
572 * This function gets the corner of the bubble.
577 elm_bubble_corner_get(const Evas_Object *obj)
579 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
580 Widget_Data *wd = elm_widget_data_get(obj);
581 if (!wd) return NULL;