src/lib/elm_bubble.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5
   6 struct _Widget_Data
   7 {
   8    Evas_Object *bbl;
   9    Evas_Object *content, *icon;
  10    const char *label, *info, *corner;
  11 };
  12
  13 static const char *widtype = NULL;
  14 static void _del_hook(Evas_Object *obj);
  15 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  16 static void _theme_hook(Evas_Object *obj);
  17 static void _sizing_eval(Evas_Object *obj);
  18 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  19 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
  20
  21 static const char SIG_CLICKED[] = "clicked";
  22
  23 static const Evas_Smart_Cb_Description _signals[] =
  24 {
  25      {SIG_CLICKED, ""},
  26      {NULL, NULL}
  27 };
  28
  29 static void
  30 _del_hook(Evas_Object *obj)
  31 {
  32    Widget_Data *wd = elm_widget_data_get(obj);
  33    if (!wd) return;
  34    if (wd->label) eina_stringshare_del(wd->label);
  35    if (wd->info) eina_stringshare_del(wd->info);
  36    if (wd->corner) eina_stringshare_del(wd->corner);
  37    free(wd);
  38 }
  39
  40 static void
  41 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  42 {
  43    Widget_Data *wd = elm_widget_data_get(obj);
  44    if (!wd) return;
  45    edje_object_mirrored_set(wd->bbl, rtl);
  46 }
  47
  48 static void
  49 _theme_hook(Evas_Object *obj)
  50 {
  51    Widget_Data *wd = elm_widget_data_get(obj);
  52    if (!wd) return;
  53    _elm_widget_mirrored_reload(obj);
  54    _mirrored_set(obj, elm_widget_mirrored_get(obj));
  55    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
  56                          elm_widget_style_get(obj));
  57    edje_object_part_text_set(wd->bbl, "elm.text", wd->label);
  58    if (wd->label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
  59    else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
  60    edje_object_part_text_set(wd->bbl, "elm.info", wd->info);
  61    if (wd->info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
  62    else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
  63    if (wd->content)
  64      {
  65         edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
  66         edje_object_message_signal_process(wd->bbl);
  67      }
  68    if (wd->icon)
  69      edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
  70    else
  71      edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
  72    edje_object_scale_set(wd->bbl,
  73                          elm_widget_scale_get(obj) * _elm_config->scale);
  74    _sizing_eval(obj);
  75 }
  76
  77 static void
  78 _content_set(Evas_Object *obj, Evas_Object *content)
  79 {
  80    Widget_Data *wd = elm_widget_data_get(obj);
  81    if (!wd) return;
  82
  83    if (wd->content == content) return;
  84    if (wd->content) evas_object_del(wd->content);
  85    wd->content = content;
  86    if (content)
  87      {
  88         elm_widget_sub_object_add(obj, content);
  89         evas_object_event_callback_add(content,
  90                                        EVAS_CALLBACK_CHANGED_SIZE_HINTS,
  91                                        _changed_size_hints, obj);
  92         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
  93      }
  94    _sizing_eval(obj);
  95 }
  96
  97 static Evas_Object *
  98 _content_unset(Evas_Object *obj)
  99 {
 100    Widget_Data *wd = elm_widget_data_get(obj);
 101    Evas_Object *content;
 102    if (!wd) return NULL;
 103    if (!wd->content) return NULL;
 104    content = wd->content;
 105    elm_widget_sub_object_del(obj, content);
 106    evas_object_event_callback_del_full(content,
 107                                        EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 108                                        _changed_size_hints, obj);
 109    edje_object_part_unswallow(wd->bbl, content);
 110    wd->content = NULL;
 111    return content;
 112 }
 113
 114 static void
 115 _icon_set(Evas_Object *obj, Evas_Object* icon)
 116 {
 117    Widget_Data *wd = elm_widget_data_get(obj);
 118    if (!wd) return;
 119    if (wd->icon == icon) return;
 120    if (wd->icon) evas_object_del(wd->icon);
 121    wd->icon = icon;
 122    if (icon)
 123      {
 124         elm_widget_sub_object_add(obj, icon);
 125         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 126         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 127                                        _changed_size_hints, obj);
 128         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 129         edje_object_message_signal_process(wd->bbl);
 130      }
 131    _sizing_eval(obj);
 132 }
 133
 134 static Evas_Object *
 135 _icon_unset(Evas_Object *obj)
 136 {
 137    Widget_Data *wd = elm_widget_data_get(obj);
 138    Evas_Object *icon;
 139    if (!wd) return NULL;
 140    if (!wd->icon) return NULL;
 141    icon = wd->icon;
 142    elm_widget_sub_object_del(obj, icon);
 143    evas_object_event_callback_del_full(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 144                                        _changed_size_hints, obj);
 145    edje_object_part_unswallow(wd->bbl, icon);
 146    wd->icon = NULL;
 147    return icon;
 148 }
 149
 150 static void
 151 _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
 152 {
 153    ELM_CHECK_WIDTYPE(obj, widtype);
 154    Widget_Data *wd = elm_widget_data_get(obj);
 155    if (!wd) return;
 156
 157    if (!part || !strcmp(part, "default"))
 158      _content_set(obj, content);
 159    else if(!strcmp(part, "icon"))
 160      _icon_set(obj, content);
 161 }
 162
 163 static Evas_Object *
 164 _content_get_hook(const Evas_Object *obj, const char *part)
 165 {
 166    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 167    Widget_Data *wd = elm_widget_data_get(obj);
 168    if (!wd) return NULL;
 169    if (!part || !strcmp(part, "default"))
 170      return wd->content;
 171    else if(!strcmp(part, "icon"))
 172      return wd->icon;
 173    return NULL;
 174 }
 175
 176 static Evas_Object *
 177 _content_unset_hook(Evas_Object *obj, const char *part)
 178 {
 179    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 180    Widget_Data *wd = elm_widget_data_get(obj);
 181    if (!wd) return NULL;
 182    if (!part || !strcmp(part, "default"))
 183      return _content_unset(obj);
 184    else if(!strcmp(part, "icon"))
 185      return _icon_unset(obj);
 186    return NULL;
 187 }
 188
 189 static Eina_Bool
 190 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
 191 {
 192    Widget_Data *wd = elm_widget_data_get(obj);
 193    Evas_Object *cur;
 194
 195    if ((!wd) || (!wd->content))
 196      return EINA_FALSE;
 197
 198    cur = wd->content;
 199
 200    /* Try Focus cycle in subitem */
 201    return elm_widget_focus_next_get(cur, dir, next);
 202 }
 203
 204 static void
 205 _sizing_eval(Evas_Object *obj)
 206 {
 207    Widget_Data *wd = elm_widget_data_get(obj);
 208    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 209    if (!wd) return;
 210    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 211    edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
 212    evas_object_size_hint_min_set(obj, minw, minh);
 213    evas_object_size_hint_max_set(obj, maxw, maxh);
 214 }
 215
 216 static void
 217 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 218 {
 219    Widget_Data *wd = elm_widget_data_get(data);
 220    if (!wd) return;
 221    _sizing_eval(data);
 222 }
 223
 224 static void
 225 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 226 {
 227    Widget_Data *wd = elm_widget_data_get(obj);
 228    Evas_Object *sub = event_info;
 229    if (!wd) return;
 230    evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 231                                        _changed_size_hints, obj);
 232    if (sub == wd->content) wd->content = NULL;
 233    else if (sub == wd->icon)
 234      {
 235         edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
 236         wd->icon = NULL;
 237         edje_object_message_signal_process(wd->bbl);
 238      }
 239    _sizing_eval(obj);
 240 }
 241
 242 static void
 243 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 244 {
 245    Evas_Event_Mouse_Up *ev = event_info;
 246    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 247      return;
 248    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 249 }
 250
 251 static void
 252 _elm_bubble_label_set(Evas_Object *obj, const char *item, const char *label)
 253 {
 254    ELM_CHECK_WIDTYPE(obj, widtype);
 255    Widget_Data *wd = elm_widget_data_get(obj);
 256    if (!wd) return;
 257
 258    if (!item || !strcmp(item, "default"))
 259      {
 260         eina_stringshare_replace(&wd->label, label);
 261         edje_object_part_text_set(wd->bbl, "elm.text", label);
 262         if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible",
 263               "elm");
 264         else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 265         _sizing_eval(obj);
 266      }
 267    else if (!strcmp(item, "info"))
 268      {
 269         eina_stringshare_replace(&wd->info, label);
 270         edje_object_part_text_set(wd->bbl, "elm.info", label);
 271         if (label) edje_object_signal_emit(wd->bbl, "elm,state,info,visible",
 272               "elm");
 273         else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 274         _sizing_eval(obj);
 275      }
 276 }
 277
 278 static const char*
 279 _elm_bubble_label_get(const Evas_Object *obj, const char *item)
 280 {
 281    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 282    Widget_Data *wd = elm_widget_data_get(obj);
 283    if (!wd) return NULL;
 284
 285    if (!item || !strcmp(item, "default"))
 286      {
 287         return wd->label;
 288      }
 289    else if (!strcmp(item, "info"))
 290      {
 291         return wd->info;
 292      }
 293
 294    return NULL;
 295 }
 296
 297 EAPI Evas_Object *
 298 elm_bubble_add(Evas_Object *parent)
 299 {
 300    Evas_Object *obj;
 301    Evas *e;
 302    Widget_Data *wd;
 303
 304    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 305
 306    ELM_SET_WIDTYPE(widtype, "bubble");
 307    elm_widget_type_set(obj, "bubble");
 308    elm_widget_sub_object_add(parent, obj);
 309    elm_widget_data_set(obj, wd);
 310    elm_widget_del_hook_set(obj, _del_hook);
 311    elm_widget_theme_hook_set(obj, _theme_hook);
 312    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 313    elm_widget_can_focus_set(obj, EINA_FALSE);
 314    elm_widget_text_set_hook_set(obj, _elm_bubble_label_set);
 315    elm_widget_text_get_hook_set(obj, _elm_bubble_label_get);
 316
 317    wd->corner = eina_stringshare_add("base");
 318
 319    wd->bbl = edje_object_add(e);
 320    elm_widget_resize_object_set(obj, wd->bbl);
 321
 322    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 323    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 324                                   _mouse_up, obj);
 325
 326    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 327    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 328    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 329                          elm_widget_style_get(obj));
 330    _sizing_eval(obj);
 331    return obj;
 332 }
 333
 334 EAPI void
 335 elm_bubble_label_set(Evas_Object *obj, const char *label)
 336 {
 337    _elm_bubble_label_set(obj, NULL, label);
 338 }
 339
 340 EAPI const char*
 341 elm_bubble_label_get(const Evas_Object *obj)
 342 {
 343    return _elm_bubble_label_get(obj, NULL);
 344 }
 345
 346 EAPI void
 347 elm_bubble_info_set(Evas_Object *obj, const char *info)
 348 {
 349    _elm_bubble_label_set(obj, "info", info);
 350 }
 351
 352 EAPI const char *
 353 elm_bubble_info_get(const Evas_Object *obj)
 354 {
 355    return _elm_bubble_label_get(obj, "info");
 356 }
 357
 358 EAPI void
 359 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 360 {
 361    ELM_CHECK_WIDTYPE(obj, widtype);
 362    Widget_Data *wd = elm_widget_data_get(obj);
 363    if (!wd) return;
 364    if (wd->content == content) return;
 365    if (wd->content) evas_object_del(wd->content);
 366    wd->content = content;
 367    if (content)
 368      {
 369         elm_widget_sub_object_add(obj, content);
 370         evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 371                                        _changed_size_hints, obj);
 372         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
 373      }
 374    _sizing_eval(obj);
 375 }
 376
 377 EAPI Evas_Object *
 378 elm_bubble_content_get(const Evas_Object *obj)
 379 {
 380    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 381    Widget_Data *wd = elm_widget_data_get(obj);
 382    if (!wd) return NULL;
 383    return wd->content;
 384 }
 385
 386 EAPI Evas_Object *
 387 elm_bubble_content_unset(Evas_Object *obj)
 388 {
 389    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 390    Widget_Data *wd = elm_widget_data_get(obj);
 391    Evas_Object *content;
 392    if (!wd) return NULL;
 393    if (!wd->content) return NULL;
 394    content = wd->content;
 395    elm_widget_sub_object_del(obj, content);
 396    evas_object_event_callback_del_full(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 397                                        _changed_size_hints, obj);
 398    edje_object_part_unswallow(wd->bbl, content);
 399    wd->content = NULL;
 400    return content;
 401 }
 402
 403 EAPI void
 404 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 405 {
 406    _content_set_hook(obj, "elm.swallow.icon", icon);
 407 }
 408
 409 EAPI Evas_Object *
 410 elm_bubble_icon_get(const Evas_Object *obj)
 411 {
 412    return _content_get_hook(obj, "elm.swallow.icon");
 413 }
 414
 415 EAPI Evas_Object *
 416 elm_bubble_icon_unset(Evas_Object *obj)
 417 {
 418    return _content_unset_hook(obj, "elm.swallow.icon");
 419 }
 420
 421 EAPI void
 422 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 423 {
 424    ELM_CHECK_WIDTYPE(obj, widtype);
 425    Widget_Data *wd = elm_widget_data_get(obj);
 426    if (!wd) return;
 427    EINA_SAFETY_ON_NULL_RETURN(corner);
 428    eina_stringshare_replace(&wd->corner, corner);
 429    _theme_hook(obj);
 430 }
 431
 432 EAPI const char*
 433 elm_bubble_corner_get(const Evas_Object *obj)
 434 {
 435    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 436    Widget_Data *wd = elm_widget_data_get(obj);
 437    if (!wd) return NULL;
 438    return wd->corner;
 439 }