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_hook(Evas_Object *obj, const char *part __UNUSED__, Evas_Object *content)
  82 {
  83    ELM_CHECK_WIDTYPE(obj, widtype);
  84    Widget_Data *wd = elm_widget_data_get(obj);
  85    if (!wd) return;
  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_get_hook(const Evas_Object *obj, const char *part __UNUSED__)
 102 {
 103    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 104    Widget_Data *wd = elm_widget_data_get(obj);
 105    if (!wd) return NULL;
 106    return wd->content;
 107 }
 108
 109 static Evas_Object *
 110 _content_unset_hook(Evas_Object *obj, const char *part __UNUSED__)
 111 {
 112    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 113    Widget_Data *wd = elm_widget_data_get(obj);
 114    Evas_Object *content;
 115    if (!wd) return NULL;
 116    if (!wd->content) return NULL;
 117    content = wd->content;
 118    elm_widget_sub_object_del(obj, content);
 119    evas_object_event_callback_del_full(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 120                                        _changed_size_hints, obj);
 121    edje_object_part_unswallow(wd->bbl, content);
 122    wd->content = NULL;
 123    return content;
 124 }
 125
 126 static Eina_Bool
 127 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
 128 {
 129    Widget_Data *wd = elm_widget_data_get(obj);
 130    Evas_Object *cur;
 131
 132    if ((!wd) || (!wd->content))
 133      return EINA_FALSE;
 134
 135    cur = wd->content;
 136
 137    /* Try Focus cycle in subitem */
 138    return elm_widget_focus_next_get(cur, dir, next);
 139 }
 140
 141 static void
 142 _sizing_eval(Evas_Object *obj)
 143 {
 144    Widget_Data *wd = elm_widget_data_get(obj);
 145    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 146    if (!wd) return;
 147    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 148    edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
 149    evas_object_size_hint_min_set(obj, minw, minh);
 150    evas_object_size_hint_max_set(obj, maxw, maxh);
 151 }
 152
 153 static void
 154 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 155 {
 156    Widget_Data *wd = elm_widget_data_get(data);
 157    if (!wd) return;
 158    _sizing_eval(data);
 159 }
 160
 161 static void
 162 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 163 {
 164    Widget_Data *wd = elm_widget_data_get(obj);
 165    Evas_Object *sub = event_info;
 166    if (!wd) return;
 167    evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 168                                        _changed_size_hints, obj);
 169    if (sub == wd->content) wd->content = NULL;
 170    else if (sub == wd->icon)
 171      {
 172         edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
 173         wd->icon = NULL;
 174         edje_object_message_signal_process(wd->bbl);
 175      }
 176    _sizing_eval(obj);
 177 }
 178
 179 static void
 180 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 181 {
 182    Evas_Event_Mouse_Up *ev = event_info;
 183    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 184      return;
 185    evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 186 }
 187
 188 static void
 189 _elm_bubble_label_set(Evas_Object *obj, const char *item, const char *label)
 190 {
 191    ELM_CHECK_WIDTYPE(obj, widtype);
 192    Widget_Data *wd = elm_widget_data_get(obj);
 193    if (!wd) return;
 194
 195    if (!item || !strcmp(item, "default"))
 196      {
 197         eina_stringshare_replace(&wd->label, label);
 198         edje_object_part_text_set(wd->bbl, "elm.text", label);
 199         if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible",
 200               "elm");
 201         else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 202         _sizing_eval(obj);
 203      }
 204    else if (!strcmp(item, "info"))
 205      {
 206         eina_stringshare_replace(&wd->info, label);
 207         edje_object_part_text_set(wd->bbl, "elm.info", label);
 208         if (label) edje_object_signal_emit(wd->bbl, "elm,state,info,visible",
 209               "elm");
 210         else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 211         _sizing_eval(obj);
 212      }
 213 }
 214
 215 static const char*
 216 _elm_bubble_label_get(const Evas_Object *obj, const char *item)
 217 {
 218    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 219    Widget_Data *wd = elm_widget_data_get(obj);
 220    if (!wd) return NULL;
 221
 222    if (!item || !strcmp(item, "default"))
 223      {
 224         return wd->label;
 225      }
 226    else if (!strcmp(item, "info"))
 227      {
 228         return wd->info;
 229      }
 230
 231    return NULL;
 232 }
 233
 234 EAPI Evas_Object *
 235 elm_bubble_add(Evas_Object *parent)
 236 {
 237    Evas_Object *obj;
 238    Evas *e;
 239    Widget_Data *wd;
 240
 241    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 242
 243    ELM_SET_WIDTYPE(widtype, "bubble");
 244    elm_widget_type_set(obj, "bubble");
 245    elm_widget_sub_object_add(parent, obj);
 246    elm_widget_data_set(obj, wd);
 247    elm_widget_del_hook_set(obj, _del_hook);
 248    elm_widget_theme_hook_set(obj, _theme_hook);
 249    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 250    elm_widget_can_focus_set(obj, EINA_FALSE);
 251    elm_widget_text_set_hook_set(obj, _elm_bubble_label_set);
 252    elm_widget_text_get_hook_set(obj, _elm_bubble_label_get);
 253    elm_widget_content_set_hook_set(obj, _content_set_hook);
 254    elm_widget_content_get_hook_set(obj, _content_get_hook);
 255    elm_widget_content_unset_hook_set(obj, _content_unset_hook);
 256
 257    wd->corner = eina_stringshare_add("base");
 258
 259    wd->bbl = edje_object_add(e);
 260    elm_widget_resize_object_set(obj, wd->bbl);
 261
 262    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 263    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 264                                   _mouse_up, obj);
 265
 266    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 267    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 268    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 269                          elm_widget_style_get(obj));
 270    _sizing_eval(obj);
 271    return obj;
 272 }
 273
 274 EAPI void
 275 elm_bubble_label_set(Evas_Object *obj, const char *label)
 276 {
 277    _elm_bubble_label_set(obj, NULL, label);
 278 }
 279
 280 EAPI const char*
 281 elm_bubble_label_get(const Evas_Object *obj)
 282 {
 283    return _elm_bubble_label_get(obj, NULL);
 284 }
 285
 286 EAPI void
 287 elm_bubble_info_set(Evas_Object *obj, const char *info)
 288 {
 289    _elm_bubble_label_set(obj, "info", info);
 290 }
 291
 292 EAPI const char *
 293 elm_bubble_info_get(const Evas_Object *obj)
 294 {
 295    return _elm_bubble_label_get(obj, "info");
 296 }
 297
 298 EAPI void
 299 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 300 {
 301    _content_set_hook(obj, NULL, content);
 302 }
 303
 304 EAPI Evas_Object *
 305 elm_bubble_content_get(const Evas_Object *obj)
 306 {
 307    return _content_get_hook(obj, NULL);
 308 }
 309
 310 EAPI Evas_Object *
 311 elm_bubble_content_unset(Evas_Object *obj)
 312 {
 313    return _content_unset_hook(obj, NULL);
 314 }
 315
 316 EAPI void
 317 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 318 {
 319    ELM_CHECK_WIDTYPE(obj, widtype);
 320    Widget_Data *wd = elm_widget_data_get(obj);
 321    if (!wd) return;
 322    if (wd->icon == icon) return;
 323    if (wd->icon) evas_object_del(wd->icon);
 324    wd->icon = icon;
 325    if (icon)
 326      {
 327         elm_widget_sub_object_add(obj, icon);
 328         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 329         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 330                                        _changed_size_hints, obj);
 331         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 332         edje_object_message_signal_process(wd->bbl);
 333      }
 334    _sizing_eval(obj);
 335 }
 336
 337 EAPI Evas_Object *
 338 elm_bubble_icon_get(const Evas_Object *obj)
 339 {
 340    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 341    Widget_Data *wd = elm_widget_data_get(obj);
 342    if (!wd) return NULL;
 343    return wd->icon;
 344 }
 345
 346 EAPI Evas_Object *
 347 elm_bubble_icon_unset(Evas_Object *obj)
 348 {
 349    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 350    Widget_Data *wd = elm_widget_data_get(obj);
 351    Evas_Object *icon;
 352    if (!wd) return NULL;
 353    if (!wd->icon) return NULL;
 354    icon = wd->icon;
 355    elm_widget_sub_object_del(obj, icon);
 356    evas_object_event_callback_del_full(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 357                                        _changed_size_hints, obj);
 358    edje_object_part_unswallow(wd->bbl, icon);
 359    wd->icon = NULL;
 360    return icon;
 361 }
 362
 363 EAPI void
 364 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 365 {
 366    ELM_CHECK_WIDTYPE(obj, widtype);
 367    Widget_Data *wd = elm_widget_data_get(obj);
 368    if (!wd) return;
 369    EINA_SAFETY_ON_NULL_RETURN(corner);
 370    eina_stringshare_replace(&wd->corner, corner);
 371    _theme_hook(obj);
 372 }
 373
 374 EAPI const char*
 375 elm_bubble_corner_get(const Evas_Object *obj)
 376 {
 377    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 378    Widget_Data *wd = elm_widget_data_get(obj);
 379    if (!wd) return NULL;
 380    return wd->corner;
 381 }