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 EAPI Evas_Object *
 178 elm_bubble_add(Evas_Object *parent)
 179 {
 180    Evas_Object *obj;
 181    Evas *e;
 182    Widget_Data *wd;
 183
 184    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 185
 186    ELM_SET_WIDTYPE(widtype, "bubble");
 187    elm_widget_type_set(obj, "bubble");
 188    elm_widget_sub_object_add(parent, obj);
 189    elm_widget_data_set(obj, wd);
 190    elm_widget_del_hook_set(obj, _del_hook);
 191    elm_widget_theme_hook_set(obj, _theme_hook);
 192    elm_widget_focus_next_hook_set(obj, _elm_bubble_focus_next_hook);
 193    elm_widget_can_focus_set(obj, EINA_FALSE);
 194
 195    wd->corner = eina_stringshare_add("base");
 196
 197    wd->bbl = edje_object_add(e);
 198    elm_widget_resize_object_set(obj, wd->bbl);
 199
 200    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 201    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
 202                                   _mouse_up, obj);
 203 #ifdef SWEEP_SUPPORT
 204    evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_DOWN,
 205                                   _mouse_down, obj);
 206
 207    wd->down = EINA_FALSE;
 208    wd->down_point.x = 0;
 209    wd->down_point.y = 0;
 210 #endif
 211
 212    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 213    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 214    _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
 215                          elm_widget_style_get(obj));
 216    _sizing_eval(obj);
 217    return obj;
 218 }
 219
 220 EAPI void
 221 elm_bubble_label_set(Evas_Object *obj, const char *label)
 222 {
 223    ELM_CHECK_WIDTYPE(obj, widtype);
 224    Widget_Data *wd = elm_widget_data_get(obj);
 225    if (!wd) return;
 226    eina_stringshare_replace(&wd->label, label);
 227    edje_object_part_text_set(wd->bbl, "elm.text", label);
 228    if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
 229    else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
 230    _sizing_eval(obj);
 231 }
 232
 233 EAPI const char*
 234 elm_bubble_label_get(const Evas_Object *obj)
 235 {
 236    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 237    Widget_Data *wd = elm_widget_data_get(obj);
 238    if (!wd) return NULL;
 239    return wd->label;
 240 }
 241
 242 EAPI void
 243 elm_bubble_info_set(Evas_Object *obj, const char *info)
 244 {
 245    ELM_CHECK_WIDTYPE(obj, widtype);
 246    Widget_Data *wd = elm_widget_data_get(obj);
 247    if (!wd) return;
 248    eina_stringshare_replace(&wd->info, info);
 249    edje_object_part_text_set(wd->bbl, "elm.info", info);
 250    if (info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
 251    else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
 252    _sizing_eval(obj);
 253 }
 254
 255 EAPI const char *
 256 elm_bubble_info_get(const Evas_Object *obj)
 257 {
 258    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 259    Widget_Data *wd = elm_widget_data_get(obj);
 260    if (!wd) return NULL;
 261    return wd->info;
 262 }
 263
 264 EAPI void
 265 elm_bubble_content_set(Evas_Object *obj, Evas_Object *content)
 266 {
 267    ELM_CHECK_WIDTYPE(obj, widtype);
 268    Widget_Data *wd = elm_widget_data_get(obj);
 269    if (!wd) return;
 270    if (wd->content == content) return;
 271    if (wd->content) evas_object_del(wd->content);
 272    wd->content = content;
 273    if (content)
 274      {
 275         elm_widget_sub_object_add(obj, content);
 276         evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 277                                        _changed_size_hints, obj);
 278         edje_object_part_swallow(wd->bbl, "elm.swallow.content", content);
 279      }
 280    _sizing_eval(obj);
 281 }
 282
 283 EAPI Evas_Object *
 284 elm_bubble_content_get(const Evas_Object *obj)
 285 {
 286    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 287    Widget_Data *wd = elm_widget_data_get(obj);
 288    if (!wd) return NULL;
 289    return wd->content;
 290 }
 291
 292 EAPI Evas_Object *
 293 elm_bubble_content_unset(Evas_Object *obj)
 294 {
 295    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 296    Widget_Data *wd = elm_widget_data_get(obj);
 297    Evas_Object *content;
 298    if (!wd) return NULL;
 299    if (!wd->content) return NULL;
 300    content = wd->content;
 301    elm_widget_sub_object_del(obj, content);
 302    edje_object_part_unswallow(wd->bbl, content);
 303    wd->content = NULL;
 304    return content;
 305 }
 306
 307 EAPI void
 308 elm_bubble_icon_set(Evas_Object *obj, Evas_Object *icon)
 309 {
 310    ELM_CHECK_WIDTYPE(obj, widtype);
 311    Widget_Data *wd = elm_widget_data_get(obj);
 312    if (!wd) return;
 313    if (wd->icon == icon) return;
 314    if (wd->icon) evas_object_del(wd->icon);
 315    wd->icon = icon;
 316    if (icon)
 317      {
 318         elm_widget_sub_object_add(obj, icon);
 319         edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
 320         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 321                                        _changed_size_hints, obj);
 322         edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
 323         edje_object_message_signal_process(wd->bbl);
 324      }
 325    _sizing_eval(obj);
 326 }
 327
 328 EAPI Evas_Object *
 329 elm_bubble_icon_get(const Evas_Object *obj)
 330 {
 331    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 332    Widget_Data *wd = elm_widget_data_get(obj);
 333    if (!wd) return NULL;
 334    return wd->icon;
 335 }
 336
 337 EAPI Evas_Object *
 338 elm_bubble_icon_unset(Evas_Object *obj)
 339 {
 340    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 341    Widget_Data *wd = elm_widget_data_get(obj);
 342    Evas_Object *icon;
 343    if (!wd) return NULL;
 344    if (!wd->icon) return NULL;
 345    icon = wd->icon;
 346    elm_widget_sub_object_del(obj, icon);
 347    edje_object_part_unswallow(wd->bbl, icon);
 348    wd->icon = NULL;
 349    return icon;
 350 }
 351
 352 EAPI void
 353 elm_bubble_sweep_layout_set(Evas_Object *obj, Evas_Object *sweep)
 354 {
 355    ELM_CHECK_WIDTYPE(obj, widtype);
 356    Widget_Data *wd = elm_widget_data_get(obj);
 357    if (!wd) return;
 358 #ifdef SWEEP_SUPPORT
 359    if (wd->sweep == sweep) return;
 360    if (wd->sweep) evas_object_del(wd->sweep);
 361    wd->sweep = sweep;
 362    if (sweep)
 363       edje_object_part_swallow(wd->bbl, "elm.swallow.sweep", sweep);
 364 #endif
 365 }
 366
 367 EAPI Evas_Object *
 368 elm_bubble_sweep_layout_unset(Evas_Object *obj)
 369 {
 370    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 371    Widget_Data *wd = elm_widget_data_get(obj);
 372    Evas_Object *sweep = NULL;
 373    if (!wd) return NULL;
 374 #ifdef SWEEP_SUPPORT
 375    if (!wd->sweep) return NULL;
 376    sweep = wd->sweep;
 377    edje_object_part_unswallow(wd->bbl, sweep);
 378    evas_object_hide(sweep);
 379    wd->sweep = NULL;
 380 #endif
 381    return sweep;
 382 }
 383
 384 EAPI void
 385 elm_bubble_corner_set(Evas_Object *obj, const char *corner)
 386 {
 387    ELM_CHECK_WIDTYPE(obj, widtype);
 388    Widget_Data *wd = elm_widget_data_get(obj);
 389    if (!wd) return;
 390    EINA_SAFETY_ON_NULL_RETURN(corner);
 391    eina_stringshare_replace(&wd->corner, corner);
 392    _theme_hook(obj);
 393 }
 394
 395 EAPI const char*
 396 elm_bubble_corner_get(const Evas_Object *obj)
 397 {
 398    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 399    Widget_Data *wd = elm_widget_data_get(obj);
 400    if (!wd) return NULL;
 401    return wd->corner;
 402 }