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 Eina_Bool
  78 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
  79 {
  80    Widget_Data *wd = elm_widget_data_get(obj);
  81    Evas_Object *cur;
  82
  83    if ((!wd) || (!wd->content))
  84      return EINA_FALSE;
  85
  86    cur = wd->content;
  87
  88    /* Try Focus cycle in subitem */
  89    return elm_widget_focus_next_get(cur, dir, next);
  90 }
  91
  92 static void
  93 _sizing_eval(Evas_Object *obj)
  94 {
  95    Widget_Data *wd = elm_widget_data_get(obj);
  96    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
  97    if (!wd) return;
  98    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
  99    edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
 100    evas_object_size_hint_min_set(obj, minw, minh);
 101    evas_object_size_hint_max_set(obj, maxw, maxh);
 102 }
 103
 104 static void
 105 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 106 {
 107    Widget_Data *wd = elm_widget_data_get(data);
 108    if (!wd) return;
 109    _sizing_eval(data);
 110 }
 111
 112 static void
 113 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 114 {
 115    Widget_Data *wd = elm_widget_data_get(obj);
 116    Evas_Object *sub = event_info;
 117    if (!wd) return;
 118    evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 119                                        _changed_size_hints, obj);
 120    if (sub == wd->content) wd->content = NULL;
 121    else if (sub == wd->icon)
 122      {
 123         edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
 124         wd->icon = NULL;
 125         edje_object_message_signal_process(wd->bbl);
 126      }
 127    _sizing_eval(obj);
 128 }
 129
 130 static void
 131 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 132 {
 133    Evas_Event_Mouse_Up *ev = event_info;
 134    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 135      return;
 136    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 137 }
 138
 139 static void
 140 _elm_bubble_label_set(Evas_Object *obj, const char *item, const char *label)
 141 {
 142    ELM_CHECK_WIDTYPE(obj, widtype);
 143    Widget_Data *wd = elm_widget_data_get(obj);
 144    if (!wd) return;
 145
 146    if (!item || !strcmp(item, "default"))
 147      {
 148         eina_stringshare_replace(&wd->label, label);
 149         edje_object_part_text_set(wd->bbl, "elm.text", label);
 150         if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible",
 151               "elm");
 152         else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 153         _sizing_eval(obj);
 154      }
 155    else if (!strcmp(item, "info"))
 156      {
 157         eina_stringshare_replace(&wd->info, label);
 158         edje_object_part_text_set(wd->bbl, "elm.info", label);
 159         if (label) edje_object_signal_emit(wd->bbl, "elm,state,info,visible",
 160               "elm");
 161         else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 162         _sizing_eval(obj);
 163      }
 164 }
 165
 166 static const char*
 167 _elm_bubble_label_get(const Evas_Object *obj, const char *item)
 168 {
 169    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 170    Widget_Data *wd = elm_widget_data_get(obj);
 171    if (!wd) return NULL;
 172
 173    if (!item || !strcmp(item, "default"))
 174      {
 175         return wd->label;
 176      }
 177    else if (!strcmp(item, "info"))
 178      {
 179         return wd->info;
 180      }
 181
 182    return NULL;
 183 }
 184
 185 EAPI Evas_Object *
 186 elm_bubble_add(Evas_Object *parent)
 187 {
 188    Evas_Object *obj;
 189    Evas *e;
 190    Widget_Data *wd;
 191
 192    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 193
 194    ELM_SET_WIDTYPE(widtype, "bubble");
 195    elm_widget_type_set(obj, "bubble");
 196    elm_widget_sub_object_add(parent, obj);
 197    elm_widget_data_set(obj, wd);
 198    elm_widget_del_hook_set(obj, _del_hook);
 199    elm_widget_theme_hook_set(obj, _theme_hook);
 200    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 201    elm_widget_can_focus_set(obj, EINA_FALSE);
 202    elm_widget_text_set_hook_set(obj, _elm_bubble_label_set);
 203    elm_widget_text_get_hook_set(obj, _elm_bubble_label_get);
 204
 205    wd->corner = eina_stringshare_add("base");
 206
 207    wd->bbl = edje_object_add(e);
 208    elm_widget_resize_object_set(obj, wd->bbl);
 209
 210    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 211    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 212                                   _mouse_up, obj);
 213
 214    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 215    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 216    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 217                          elm_widget_style_get(obj));
 218    _sizing_eval(obj);
 219    return obj;
 220 }
 221
 222 EAPI void
 223 elm_bubble_label_set(Evas_Object *obj, const char *label)
 224 {
 225    _elm_bubble_label_set(obj, NULL, label);
 226 }
 227
 228 EAPI const char*
 229 elm_bubble_label_get(const Evas_Object *obj)
 230 {
 231    return _elm_bubble_label_get(obj, NULL);
 232 }
 233
 234 EAPI void
 235 elm_bubble_info_set(Evas_Object *obj, const char *info)
 236 {
 237    _elm_bubble_label_set(obj, "info", info);
 238 }
 239
 240 EAPI const char *
 241 elm_bubble_info_get(const Evas_Object *obj)
 242 {
 243    return _elm_bubble_label_get(obj, "info");
 244 }
 245
 246 EAPI void
 247 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 248 {
 249    ELM_CHECK_WIDTYPE(obj, widtype);
 250    Widget_Data *wd = elm_widget_data_get(obj);
 251    if (!wd) return;
 252    if (wd->content == content) return;
 253    if (wd->content) evas_object_del(wd->content);
 254    wd->content = content;
 255    if (content)
 256      {
 257         elm_widget_sub_object_add(obj, content);
 258         evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 259                                        _changed_size_hints, obj);
 260         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
 261      }
 262    _sizing_eval(obj);
 263 }
 264
 265 EAPI Evas_Object *
 266 elm_bubble_content_get(const Evas_Object *obj)
 267 {
 268    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 269    Widget_Data *wd = elm_widget_data_get(obj);
 270    if (!wd) return NULL;
 271    return wd->content;
 272 }
 273
 274 EAPI Evas_Object *
 275 elm_bubble_content_unset(Evas_Object *obj)
 276 {
 277    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 278    Widget_Data *wd = elm_widget_data_get(obj);
 279    Evas_Object *content;
 280    if (!wd) return NULL;
 281    if (!wd->content) return NULL;
 282    content = wd->content;
 283    elm_widget_sub_object_del(obj, content);
 284    evas_object_event_callback_del_full(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 285                                        _changed_size_hints, obj);
 286    edje_object_part_unswallow(wd->bbl, content);
 287    wd->content = NULL;
 288    return content;
 289 }
 290
 291 EAPI void
 292 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 293 {
 294    ELM_CHECK_WIDTYPE(obj, widtype);
 295    Widget_Data *wd = elm_widget_data_get(obj);
 296    if (!wd) return;
 297    if (wd->icon == icon) return;
 298    if (wd->icon) evas_object_del(wd->icon);
 299    wd->icon = icon;
 300    if (icon)
 301      {
 302         elm_widget_sub_object_add(obj, icon);
 303         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 304         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 305                                        _changed_size_hints, obj);
 306         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 307         edje_object_message_signal_process(wd->bbl);
 308      }
 309    _sizing_eval(obj);
 310 }
 311
 312 EAPI Evas_Object *
 313 elm_bubble_icon_get(const Evas_Object *obj)
 314 {
 315    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 316    Widget_Data *wd = elm_widget_data_get(obj);
 317    if (!wd) return NULL;
 318    return wd->icon;
 319 }
 320
 321 EAPI Evas_Object *
 322 elm_bubble_icon_unset(Evas_Object *obj)
 323 {
 324    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 325    Widget_Data *wd = elm_widget_data_get(obj);
 326    Evas_Object *icon;
 327    if (!wd) return NULL;
 328    if (!wd->icon) return NULL;
 329    icon = wd->icon;
 330    elm_widget_sub_object_del(obj, icon);
 331    evas_object_event_callback_del_full(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 332                                        _changed_size_hints, obj);
 333    edje_object_part_unswallow(wd->bbl, icon);
 334    wd->icon = NULL;
 335    return icon;
 336 }
 337
 338 EAPI void
 339 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 340 {
 341    ELM_CHECK_WIDTYPE(obj, widtype);
 342    Widget_Data *wd = elm_widget_data_get(obj);
 343    if (!wd) return;
 344    EINA_SAFETY_ON_NULL_RETURN(corner);
 345    eina_stringshare_replace(&wd->corner, corner);
 346    _theme_hook(obj);
 347 }
 348
 349 EAPI const char*
 350 elm_bubble_corner_get(const Evas_Object *obj)
 351 {
 352    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 353    Widget_Data *wd = elm_widget_data_get(obj);
 354    if (!wd) return NULL;
 355    return wd->corner;
 356 }