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 _theme_hook(Evas_Object *obj);
39 static void _sizing_eval(Evas_Object *obj);
40 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
41 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
43 #define SIG_CLICKED "clicked"
44 static const Evas_Smart_Cb_Description _signals[] =
51 _del_hook(Evas_Object *obj)
53 Widget_Data *wd = elm_widget_data_get(obj);
55 if (wd->label) eina_stringshare_del(wd->label);
56 if (wd->info) eina_stringshare_del(wd->info);
57 if (wd->corner) eina_stringshare_del(wd->corner);
62 _theme_hook(Evas_Object *obj)
64 Widget_Data *wd = elm_widget_data_get(obj);
66 _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
67 elm_widget_style_get(obj));
68 edje_object_part_text_set(wd->bbl, "elm.text", wd->label);
69 if (wd->label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
70 else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
71 edje_object_part_text_set(wd->bbl, "elm.info", wd->info);
72 if (wd->info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
73 else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
76 edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
77 edje_object_message_signal_process(wd->bbl);
80 edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
82 edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
83 edje_object_scale_set(wd->bbl,
84 elm_widget_scale_get(obj) * _elm_config->scale);
89 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
91 Widget_Data *wd = elm_widget_data_get(obj);
94 if ((!wd) || (!wd->content))
99 /* Try Focus cycle in subitem */
100 return elm_widget_focus_next_get(cur, dir, next);
104 _sizing_eval(Evas_Object *obj)
106 Widget_Data *wd = elm_widget_data_get(obj);
107 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
109 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
110 edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
111 evas_object_size_hint_min_set(obj, minw, minh);
112 evas_object_size_hint_max_set(obj, maxw, maxh);
116 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
118 Widget_Data *wd = elm_widget_data_get(data);
124 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
126 Widget_Data *wd = elm_widget_data_get(obj);
127 Evas_Object *sub = event_info;
129 evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
130 _changed_size_hints, obj);
131 if (sub == wd->content) wd->content = NULL;
132 else if (sub == wd->icon)
134 edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
136 edje_object_message_signal_process(wd->bbl);
139 else if (sub == wd->sweep) wd->sweep = NULL;
146 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
148 Widget_Data *wd = elm_widget_data_get(data);
149 Evas_Event_Mouse_Down *ev = event_info;
151 wd->down = EINA_TRUE;
152 wd->down_point.x = ev->canvas.x;
153 wd->down_point.y = ev->canvas.y;
158 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
160 Evas_Event_Mouse_Up *ev = event_info;
161 Widget_Data *wd = elm_widget_data_get(data);
162 if (!wd->down) return;
163 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
166 if (ev->canvas.x - wd->down_point.x > SWEEP_THRESHOLD)
167 evas_object_smart_callback_call(data, "sweep,left,right", NULL);
168 else if (wd->down_point.x - ev->canvas.x > SWEEP_THRESHOLD)
169 evas_object_smart_callback_call(data, "sweep,right,left", NULL);
171 wd->down = EINA_FALSE;
172 wd->down_point.x = 0;
173 wd->down_point.y = 0;
177 evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
181 * Add a new bubble to the parent
183 * @param parent The parent object
184 * @return The new object or NULL if it cannot be created
186 * This function adds a text bubble to the given parent evas object.
191 elm_bubble_add(Evas_Object *parent)
197 EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
199 wd = ELM_NEW(Widget_Data);
200 e = evas_object_evas_get(parent);
202 obj = elm_widget_add(e);
203 ELM_SET_WIDTYPE(widtype, "bubble");
204 elm_widget_type_set(obj, "bubble");
205 elm_widget_sub_object_add(parent, obj);
206 elm_widget_data_set(obj, wd);
207 elm_widget_del_hook_set(obj, _del_hook);
208 elm_widget_theme_hook_set(obj, _theme_hook);
209 elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
210 elm_widget_can_focus_set(obj, EINA_FALSE);
212 wd->corner = eina_stringshare_add("base");
214 wd->bbl = edje_object_add(e);
215 _elm_theme_object_set(obj, wd->bbl, "bubble", "base", "default");
216 elm_widget_resize_object_set(obj, wd->bbl);
218 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
219 evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
222 evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_DOWN,
225 wd->down = EINA_FALSE;
226 wd->down_point.x = 0;
227 wd->down_point.y = 0;
229 evas_object_smart_callbacks_descriptions_set(obj, _signals);
235 * Set the label of the bubble
237 * @param obj The bubble object
238 * @param label The string to set in the label
240 * This function sets the title of the bubble that is shown on top of
246 elm_bubble_label_set(Evas_Object *obj, const char *label)
248 ELM_CHECK_WIDTYPE(obj, widtype);
249 Widget_Data *wd = elm_widget_data_get(obj);
251 eina_stringshare_replace(&wd->label, label);
252 edje_object_part_text_set(wd->bbl, "elm.text", label);
253 if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
254 else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
259 * Get the label of the bubble
261 * @param obj The bubble object
262 * @return The string of set in the label
264 * This function gets the title of the bubble that is shown on top of
270 elm_bubble_label_get(const Evas_Object *obj)
272 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
273 Widget_Data *wd = elm_widget_data_get(obj);
274 if (!wd) return NULL;
279 * Set the info of the bubble
281 * @param obj The bubble object
282 * @param info The given info about the bubble
284 * This function sets the text shown on the top right of bubble.
285 * In the Anchorblock example of the Elementary tests application it
292 elm_bubble_info_set(Evas_Object *obj, const char *info)
294 ELM_CHECK_WIDTYPE(obj, widtype);
295 Widget_Data *wd = elm_widget_data_get(obj);
297 eina_stringshare_replace(&wd->info, info);
298 edje_object_part_text_set(wd->bbl, "elm.info", info);
299 if (info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
300 else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
305 * Get the info of the bubble
307 * @param obj The bubble object
309 * @return The "info" string of the bubble
311 * This function gets the text set to be displayed at the top right of
318 elm_bubble_info_get(const Evas_Object *obj)
320 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
321 Widget_Data *wd = elm_widget_data_get(obj);
322 if (!wd) return NULL;
327 * Set the content to be shown in the bubble
329 * Once the content object is set, a previously set one will be deleted.
330 * If you want to keep the old content object, use the
331 * elm_bubble_content_unset() function.
333 * @param obj The bubble object
334 * @param content The given content of the bubble
336 * This function sets the content shown on the middle of the bubble.
337 * In the Anchorblock example of the Elementary tests application it
343 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
345 ELM_CHECK_WIDTYPE(obj, widtype);
346 Widget_Data *wd = elm_widget_data_get(obj);
348 if (wd->content == content) return;
349 if (wd->content) evas_object_del(wd->content);
350 wd->content = content;
353 elm_widget_sub_object_add(obj, content);
354 evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
355 _changed_size_hints, obj);
356 edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
362 * Get the content shown in the bubble
364 * Return the content object which is set for this widget.
366 * @param obj The bubble object
367 * @return The content that is being used
372 elm_bubble_content_get(const Evas_Object *obj)
374 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
375 Widget_Data *wd = elm_widget_data_get(obj);
376 if (!wd) return NULL;
381 * Unset the content shown in the bubble
383 * Unparent and return the content object which was set for this widget.
385 * @param obj The bubble object
386 * @return The content that was being used
391 elm_bubble_content_unset(Evas_Object *obj)
393 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
394 Widget_Data *wd = elm_widget_data_get(obj);
395 Evas_Object *content;
396 if (!wd) return NULL;
397 if (!wd->content) return NULL;
398 content = wd->content;
399 elm_widget_sub_object_del(obj, content);
400 edje_object_part_unswallow(wd->bbl, content);
406 * Set the icon of the bubble
408 * Once the icon object is set, a previously set one will be deleted.
409 * If you want to keep the old content object, use the
410 * elm_icon_content_unset() function.
412 * @param obj The bubble object
413 * @param icon The given icon for the bubble
418 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
420 ELM_CHECK_WIDTYPE(obj, widtype);
421 Widget_Data *wd = elm_widget_data_get(obj);
423 if (wd->icon == icon) return;
424 if (wd->icon) evas_object_del(wd->icon);
428 elm_widget_sub_object_add(obj, icon);
429 edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
430 evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
431 _changed_size_hints, obj);
432 edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
433 edje_object_message_signal_process(wd->bbl);
439 * Get the icon of the bubble
441 * @param obj The bubble object
442 * @return The icon for the bubble
444 * This function gets the icon shown on the top left of bubble.
449 elm_bubble_icon_get(const Evas_Object *obj)
451 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
452 Widget_Data *wd = elm_widget_data_get(obj);
453 if (!wd) return NULL;
458 * Unset the icon of the bubble
460 * Unparent and return the icon object which was set for this widget.
462 * @param obj The bubble object
463 * @return The icon that was being used
468 elm_bubble_icon_unset(Evas_Object *obj)
470 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
471 Widget_Data *wd = elm_widget_data_get(obj);
473 if (!wd) return NULL;
474 if (!wd->icon) return NULL;
476 elm_widget_sub_object_del(obj, icon);
477 edje_object_part_unswallow(wd->bbl, icon);
483 * Set the sweep layout
485 * @param obj The bubble object
486 * @param content The given content of the bubble
488 * This function sets the sweep layout when "sweep,left,right"signal is emitted.
493 elm_bubble_sweep_layout_set(Evas_Object *obj, Evas_Object *sweep)
495 ELM_CHECK_WIDTYPE(obj, widtype);
496 Widget_Data *wd = elm_widget_data_get(obj);
499 if (wd->sweep == sweep) return;
500 if (wd->sweep) evas_object_del(wd->sweep);
504 elm_widget_sub_object_add(obj, sweep);
505 edje_object_part_swallow(wd->bbl, "elm.swallow.sweep", sweep);
511 * Unset and hide the sweep layout
513 * @param obj The bubble object
514 * @param content The given content of the bubble
516 * This function sets the sweep layout when "sweep,right,left"signal is emitted.
521 elm_bubble_sweep_layout_unset(Evas_Object *obj)
523 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
524 Widget_Data *wd = elm_widget_data_get(obj);
525 Evas_Object *sweep = NULL;
526 if (!wd) return NULL;
528 if (!wd->sweep) return NULL;
530 elm_widget_sub_object_del(obj, sweep);
531 edje_object_part_unswallow(wd->bbl, sweep);
532 evas_object_hide(sweep);
539 * Set the corner of the bubble
541 * @param obj The bubble object.
542 * @param corner The given corner for the bubble.
544 * This function sets the corner of the bubble.
545 * The corner will be used to find the group in the theme
546 * For example, if you set the corner to "bottom_right",
547 * the following group will be searched:
548 * "elm/bubble/bottom_right/default",
549 * considering default style.
554 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
556 ELM_CHECK_WIDTYPE(obj, widtype);
557 Widget_Data *wd = elm_widget_data_get(obj);
559 EINA_SAFETY_ON_NULL_RETURN(corner);
560 eina_stringshare_replace(&wd->corner, corner);
565 * Get the corner of the bubble
567 * @param obj The bubble object.
568 * @return The given corner for the bubble.
570 * This function gets the corner of the bubble.
575 elm_bubble_corner_get(const Evas_Object *obj)
577 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
578 Widget_Data *wd = elm_widget_data_get(obj);
579 if (!wd) return NULL;