src/lib/elm_bubble.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 typedef struct _Widget_Data Widget_Data;
   5
   6 #define SWEEP_SUPPORT 1
   7
   8 struct _Widget_Data
   9 {
  10    Evas_Object *bbl;
  11    Evas_Object *content, *icon;
  12    const char *label, *info, *corner;
  13 #ifdef SWEEP_SUPPORT
  14    Evas_Object *sweep;
  15    Eina_Bool down:1;
  16    Evas_Coord_Point down_point;
  17 #endif
  18 };
  19
  20 #ifdef SWEEP_SUPPORT
  21 #define SWEEP_THRESHOLD 100
  22 #endif
  23
  24 static const char *widtype = NULL;
  25 static void _del_hook(Evas_Object *obj);
  26 static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
  27 static void _theme_hook(Evas_Object *obj);
  28 static void _sizing_eval(Evas_Object *obj);
  29 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  30 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
  31
  32 static const char SIG_CLICKED[] = "clicked";
  33
  34 static const Evas_Smart_Cb_Description _signals[] =
  35 {
  36      {SIG_CLICKED, ""},
  37      {NULL, NULL}
  38 };
  39
  40 static void
  41 _del_hook(Evas_Object *obj)
  42 {
  43    Widget_Data *wd = elm_widget_data_get(obj);
  44    if (!wd) return;
  45    if (wd->label) eina_stringshare_del(wd->label);
  46    if (wd->info) eina_stringshare_del(wd->info);
  47    if (wd->corner) eina_stringshare_del(wd->corner);
  48    free(wd);
  49 }
  50
  51 static void
  52 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
  53 {
  54    Widget_Data *wd = elm_widget_data_get(obj);
  55    if (!wd) return;
  56    edje_object_mirrored_set(wd->bbl, rtl);
  57 }
  58
  59 static void
  60 _theme_hook(Evas_Object *obj)
  61 {
  62    Widget_Data *wd = elm_widget_data_get(obj);
  63    if (!wd) return;
  64    _elm_widget_mirrored_reload(obj);
  65    _mirrored_set(obj, elm_widget_mirrored_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");
  74    if (wd->content)
  75      {
  76         edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
  77         edje_object_message_signal_process(wd->bbl);
  78      }
  79    if (wd->icon)
  80      edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
  81    else
  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);
  85    _sizing_eval(obj);
  86 }
  87
  88 static Eina_Bool
  89 _elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
  90 {
  91    Widget_Data *wd = elm_widget_data_get(obj);
  92    Evas_Object *cur;
  93
  94    if ((!wd) || (!wd->content))
  95      return EINA_FALSE;
  96
  97    cur = wd->content;
  98
  99    /* Try Focus cycle in subitem */
 100    return elm_widget_focus_next_get(cur, dir, next);
 101 }
 102
 103 static void
 104 _sizing_eval(Evas_Object *obj)
 105 {
 106    Widget_Data *wd = elm_widget_data_get(obj);
 107    Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
 108    if (!wd) return;
 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);
 113 }
 114
 115 static void
 116 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
 117 {
 118    Widget_Data *wd = elm_widget_data_get(data);
 119    if (!wd) return;
 120    _sizing_eval(data);
 121 }
 122
 123 static void
 124 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 125 {
 126    Widget_Data *wd = elm_widget_data_get(obj);
 127    Evas_Object *sub = event_info;
 128    if (!wd) return;
 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)
 133      {
 134         edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
 135         wd->icon = NULL;
 136         edje_object_message_signal_process(wd->bbl);
 137      }
 138    _sizing_eval(obj);
 139 }
 140
 141 #ifdef SWEEP_SUPPORT
 142 static void
 143 _mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 144 {
 145    Widget_Data *wd = elm_widget_data_get(data);
 146    Evas_Event_Mouse_Down *ev = event_info;
 147
 148    wd->down = EINA_TRUE;
 149    wd->down_point.x = ev->canvas.x;
 150    wd->down_point.y = ev->canvas.y;
 151 }
 152 #endif
 153
 154 static void
 155 _mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
 156 {
 157    Evas_Event_Mouse_Up *ev = event_info;
 158    Widget_Data *wd = elm_widget_data_get(data);
 159    if (!wd->down) return;
 160    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
 161      {
 162 #ifdef SWEEP_SUPPORT
 163         if (ev->canvas.x - wd->down_point.x > SWEEP_THRESHOLD)
 164           evas_object_smart_callback_call(data, "sweep,left,right", NULL);
 165         else if (wd->down_point.x - ev->canvas.x > SWEEP_THRESHOLD)
 166           evas_object_smart_callback_call(data, "sweep,right,left", NULL);
 167
 168         wd->down = EINA_FALSE;
 169         wd->down_point.x = 0;
 170         wd->down_point.y = 0;
 171 #endif
 172      }
 173    else if (!wd->sweep)
 174      evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
 175 }
 176
 177 static void
 178 _elm_bubble_label_set(Evas_Object *obj, const char *item, const char *label)
 179 {
 180    ELM_CHECK_WIDTYPE(obj, widtype);
 181    Widget_Data *wd = elm_widget_data_get(obj);
 182    if (!wd) return;
 183
 184    if (!item || !strcmp(item, "default"))
 185      {
 186         eina_stringshare_replace(&wd->label, label);
 187         edje_object_part_text_set(wd->bbl, "elm.text", label);
 188         if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible",
 189               "elm");
 190         else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 191         _sizing_eval(obj);
 192      }
 193    else if (!strcmp(item, "info"))
 194      {
 195         eina_stringshare_replace(&wd->info, label);
 196         edje_object_part_text_set(wd->bbl, "elm.info", label);
 197         if (label) edje_object_signal_emit(wd->bbl, "elm,state,info,visible",
 198               "elm");
 199         else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 200         _sizing_eval(obj);
 201      }
 202 }
 203
 204 static const char*
 205 _elm_bubble_label_get(const Evas_Object *obj, const char *item)
 206 {
 207    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 208    Widget_Data *wd = elm_widget_data_get(obj);
 209    if (!wd) return NULL;
 210
 211    if (!item || !strcmp(item, "default"))
 212      {
 213         return wd->label;
 214      }
 215    else if (!strcmp(item, "info"))
 216      {
 217         return wd->info;
 218      }
 219
 220    return NULL;
 221 }
 222
 223 EAPI Evas_Object *
 224 elm_bubble_add(Evas_Object *parent)
 225 {
 226    Evas_Object *obj;
 227    Evas *e;
 228    Widget_Data *wd;
 229
 230    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 231
 232    ELM_SET_WIDTYPE(widtype, "bubble");
 233    elm_widget_type_set(obj, "bubble");
 234    elm_widget_sub_object_add(parent, obj);
 235    elm_widget_data_set(obj, wd);
 236    elm_widget_del_hook_set(obj, _del_hook);
 237    elm_widget_theme_hook_set(obj, _theme_hook);
 238    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 239    elm_widget_can_focus_set(obj, EINA_FALSE);
 240    elm_widget_text_set_hook_set(obj, _elm_bubble_label_set);
 241    elm_widget_text_get_hook_set(obj, _elm_bubble_label_get);
 242
 243    wd->corner = eina_stringshare_add("base");
 244
 245    wd->bbl = edje_object_add(e);
 246    elm_widget_resize_object_set(obj, wd->bbl);
 247
 248    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 249    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 250                                   _mouse_up, obj);
 251 #ifdef SWEEP_SUPPORT
 252    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_DOWN,
 253                                   _mouse_down, obj);
 254
 255    wd->down = EINA_FALSE;
 256    wd->down_point.x = 0;
 257    wd->down_point.y = 0;
 258 #endif
 259
 260    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 261    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 262    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 263                          elm_widget_style_get(obj));
 264    _sizing_eval(obj);
 265    return obj;
 266 }
 267
 268 EAPI void
 269 elm_bubble_label_set(Evas_Object *obj, const char *label)
 270 {
 271    _elm_bubble_label_set(obj, NULL, label);
 272 }
 273
 274 EAPI const char*
 275 elm_bubble_label_get(const Evas_Object *obj)
 276 {
 277    return _elm_bubble_label_get(obj, NULL);
 278 }
 279
 280 EAPI void
 281 elm_bubble_info_set(Evas_Object *obj, const char *info)
 282 {
 283    _elm_bubble_label_set(obj, "info", info);
 284 }
 285
 286 EAPI const char *
 287 elm_bubble_info_get(const Evas_Object *obj)
 288 {
 289    return _elm_bubble_label_get(obj, "info");
 290 }
 291
 292 EAPI void
 293 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 294 {
 295    ELM_CHECK_WIDTYPE(obj, widtype);
 296    Widget_Data *wd = elm_widget_data_get(obj);
 297    if (!wd) return;
 298    if (wd->content == content) return;
 299    if (wd->content) evas_object_del(wd->content);
 300    wd->content = content;
 301    if (content)
 302      {
 303         elm_widget_sub_object_add(obj, content);
 304         evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 305                                        _changed_size_hints, obj);
 306         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
 307      }
 308    _sizing_eval(obj);
 309 }
 310
 311 EAPI Evas_Object *
 312 elm_bubble_content_get(const Evas_Object *obj)
 313 {
 314    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 315    Widget_Data *wd = elm_widget_data_get(obj);
 316    if (!wd) return NULL;
 317    return wd->content;
 318 }
 319
 320 EAPI Evas_Object *
 321 elm_bubble_content_unset(Evas_Object *obj)
 322 {
 323    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 324    Widget_Data *wd = elm_widget_data_get(obj);
 325    Evas_Object *content;
 326    if (!wd) return NULL;
 327    if (!wd->content) return NULL;
 328    content = wd->content;
 329    elm_widget_sub_object_del(obj, content);
 330    edje_object_part_unswallow(wd->bbl, content);
 331    wd->content = NULL;
 332    return content;
 333 }
 334
 335 EAPI void
 336 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 337 {
 338    ELM_CHECK_WIDTYPE(obj, widtype);
 339    Widget_Data *wd = elm_widget_data_get(obj);
 340    if (!wd) return;
 341    if (wd->icon == icon) return;
 342    if (wd->icon) evas_object_del(wd->icon);
 343    wd->icon = icon;
 344    if (icon)
 345      {
 346         elm_widget_sub_object_add(obj, icon);
 347         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 348         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 349                                        _changed_size_hints, obj);
 350         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 351         edje_object_message_signal_process(wd->bbl);
 352      }
 353    _sizing_eval(obj);
 354 }
 355
 356 EAPI Evas_Object *
 357 elm_bubble_icon_get(const Evas_Object *obj)
 358 {
 359    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 360    Widget_Data *wd = elm_widget_data_get(obj);
 361    if (!wd) return NULL;
 362    return wd->icon;
 363 }
 364
 365 EAPI Evas_Object *
 366 elm_bubble_icon_unset(Evas_Object *obj)
 367 {
 368    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 369    Widget_Data *wd = elm_widget_data_get(obj);
 370    Evas_Object *icon;
 371    if (!wd) return NULL;
 372    if (!wd->icon) return NULL;
 373    icon = wd->icon;
 374    elm_widget_sub_object_del(obj, icon);
 375    edje_object_part_unswallow(wd->bbl, icon);
 376    wd->icon = NULL;
 377    return icon;
 378 }
 379
 380 EAPI void
 381 elm_bubble_sweep_layout_set(Evas_Object *obj, Evas_Object *sweep)
 382 {
 383    ELM_CHECK_WIDTYPE(obj, widtype);
 384    Widget_Data *wd = elm_widget_data_get(obj);
 385    if (!wd) return;
 386 #ifdef SWEEP_SUPPORT
 387    if (wd->sweep == sweep) return;
 388    if (wd->sweep) evas_object_del(wd->sweep);
 389    wd->sweep = sweep;
 390    if (sweep)
 391       edje_object_part_swallow(wd->bbl, "elm.swallow.sweep", sweep);
 392 #endif
 393 }
 394
 395 EAPI Evas_Object *
 396 elm_bubble_sweep_layout_unset(Evas_Object *obj)
 397 {
 398    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 399    Widget_Data *wd = elm_widget_data_get(obj);
 400    Evas_Object *sweep = NULL;
 401    if (!wd) return NULL;
 402 #ifdef SWEEP_SUPPORT
 403    if (!wd->sweep) return NULL;
 404    sweep = wd->sweep;
 405    edje_object_part_unswallow(wd->bbl, sweep);
 406    evas_object_hide(sweep);
 407    wd->sweep = NULL;
 408 #endif
 409    return sweep;
 410 }
 411
 412 EAPI void
 413 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 414 {
 415    ELM_CHECK_WIDTYPE(obj, widtype);
 416    Widget_Data *wd = elm_widget_data_get(obj);
 417    if (!wd) return;
 418    EINA_SAFETY_ON_NULL_RETURN(corner);
 419    eina_stringshare_replace(&wd->corner, corner);
 420    _theme_hook(obj);
 421 }
 422
 423 EAPI const char*
 424 elm_bubble_corner_get(const Evas_Object *obj)
 425 {
 426    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 427    Widget_Data *wd = elm_widget_data_get(obj);
 428    if (!wd) return NULL;
 429    return wd->corner;
 430 }