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