src/lib/elm_button.c

   1 #include <Elementary.h>
   2 #include "elm_priv.h"
   3
   4 /**
   5  * @defgroup Button Button
   6  * @ingroup Elementary
   7  *
   8  * This is a push-button. Press it and run some function. It can contain
   9  * a simple label and icon object.
  10  *
  11  * Signals that you can add callbacks for are:
  12  *
  13  * "clicked" - the user clicked the button
  14  * "repeated" - the user pressed the button without releasing it
  15  * "pressed" - when the button is pressed
  16  * "unpressed" - when the button is unpressed (released)
  17  */
  18
  19 typedef struct _Widget_Data Widget_Data;
  20
  21 enum
  22 {
  23    DEFAULT = 0,
  24    HIGHLIGHTED,
  25    FOCUSED,
  26    DISABLED,
  27 };
  28
  29 struct _Widget_Data
  30 {
  31    Evas_Object *btn, *icon;
  32    const char *label;
  33    Eina_Bool autorepeat;
  34    Eina_Bool repeating;
  35    double ar_threshold;
  36    double ar_interval;
  37    Ecore_Timer *timer;
  38    const char *statelabel[4];
  39    int statetype[4];
  40 };
  41
  42 static const char *widtype = NULL;
  43 static void _del_hook(Evas_Object *obj);
  44 static void _theme_hook(Evas_Object *obj);
  45 static void _disable_hook(Evas_Object *obj);
  46 static void _sizing_eval(Evas_Object *obj);
  47 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
  48 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
  49 static void _signal_clicked(void *data, Evas_Object *obj, const char *emission, const char *source);
  50 static void _signal_pressed(void *data, Evas_Object *obj, const char *emission, const char *source);
  51 static void _signal_unpressed(void *data, Evas_Object *obj, const char *emission, const char *source);
  52 static void _on_focus_hook(void *data, Evas_Object *obj);
  53 static void _activate(Evas_Object *obj);
  54 static void _activate_hook(Evas_Object *obj);
  55 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
  56                              Evas_Callback_Type type, void *event_info);
  57
  58 static void _set_label(Evas_Object *obj, const char *label);
  59 static void _signal_default_text_set(void *data, Evas_Object *obj, const char *emission, const char *source);
  60
  61 static const char SIG_CLICKED[] = "clicked";
  62 static const char SIG_REPEATED[] = "repeated";
  63 static const char SIG_PRESSED[] = "pressed";
  64 static const char SIG_UNPRESSED[] = "unpressed";
  65 static const Evas_Smart_Cb_Description _signals[] = {
  66        {SIG_CLICKED, ""},
  67        {SIG_REPEATED, ""},
  68        {SIG_PRESSED, ""},
  69        {SIG_UNPRESSED, ""},
  70        {NULL, NULL}
  71 };
  72
  73 static Eina_Bool
  74 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
  75 {
  76    if (type != EVAS_CALLBACK_KEY_DOWN) return EINA_FALSE;
  77    Evas_Event_Key_Down *ev = event_info;
  78    Widget_Data *wd = elm_widget_data_get(obj);
  79    if (!wd) return EINA_FALSE;
  80    if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
  81    if (elm_widget_disabled_get(obj)) return EINA_FALSE;
  82    if ((strcmp(ev->keyname, "Return")) &&
  83        (strcmp(ev->keyname, "KP_Enter")) &&
  84        (strcmp(ev->keyname, "space")))
  85      return EINA_FALSE;
  86    _activate(obj);
  87    ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
  88    edje_object_signal_emit(wd->btn, "elm,anim,activate", "elm");
  89    return EINA_TRUE;
  90 }
  91
  92 static void
  93 _del_hook(Evas_Object *obj)
  94 {
  95    Widget_Data *wd = elm_widget_data_get(obj);
  96    if (!wd) return;
  97    if (wd->label) eina_stringshare_del(wd->label);
  98    if (wd->statelabel[DEFAULT]) eina_stringshare_del(wd->statelabel[DEFAULT]);
  99    if (wd->statelabel[HIGHLIGHTED]) eina_stringshare_del(wd->statelabel[HIGHLIGHTED]);
 100    if (wd->statelabel[FOCUSED]) eina_stringshare_del(wd->statelabel[FOCUSED]);
 101    if (wd->statelabel[DISABLED]) eina_stringshare_del(wd->statelabel[DISABLED]);
 102    free(wd);
 103 }
 104
 105 static void
 106 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
 107 {
 108    Widget_Data *wd = elm_widget_data_get(obj);
 109    if (!wd) return;
 110    if (elm_widget_focus_get(obj))
 111      {
 112         if (wd->statelabel[FOCUSED])
 113           {
 114              _set_label(obj, wd->statelabel[FOCUSED]);
 115           }
 116         edje_object_signal_emit(wd->btn, "elm,action,focus", "elm");
 117         evas_object_focus_set(wd->btn, EINA_TRUE);
 118      }
 119    else
 120      {
 121         if (wd->statelabel[DEFAULT])
 122           _set_label(obj, wd->statelabel[DEFAULT]);
 123         #if 0
 124         else
 125           _set_label(obj, wd->label);
 126         #endif
 127         edje_object_signal_emit(wd->btn, "elm,action,unfocus", "elm");
 128         evas_object_focus_set(wd->btn, EINA_FALSE);
 129      }
 130 }
 131
 132 static void
 133 _mirrored_set(Evas_Object *obj, Eina_Bool rtl)
 134 {
 135    Widget_Data *wd = elm_widget_data_get(obj);
 136    if (!wd) return;
 137    edje_object_mirrored_set(wd->btn, rtl);
 138 }
 139
 140 static void
 141 _theme_hook(Evas_Object *obj)
 142 {
 143    Widget_Data *wd = elm_widget_data_get(obj);
 144    const char *str;
 145    if (!wd) return;
 146    _elm_widget_mirrored_reload(obj);
 147    _mirrored_set(obj, elm_widget_mirrored_get(obj));
 148    _elm_theme_object_set(obj, wd->btn, "button", "base", elm_widget_style_get(obj));
 149    if (elm_object_disabled_get(obj))
 150      edje_object_signal_emit(wd->btn, "elm,state,disabled", "elm");
 151    if (wd->icon)
 152      edje_object_part_swallow(wd->btn, "elm.swallow.content", wd->icon);
 153    if (wd->label)
 154      edje_object_signal_emit(wd->btn, "elm,state,text,visible", "elm");
 155    else
 156      edje_object_signal_emit(wd->btn, "elm,state,text,hidden", "elm");
 157    if (wd->icon)
 158      edje_object_signal_emit(wd->btn, "elm,state,icon,visible", "elm");
 159    else
 160      edje_object_signal_emit(wd->btn, "elm,state,icon,hidden", "elm");
 161    edje_object_part_text_set(wd->btn, "elm.text", wd->label);
 162    edje_object_message_signal_process(wd->btn);
 163    edje_object_scale_set(wd->btn, elm_widget_scale_get(obj) * _elm_config->scale);
 164    str = edje_object_data_get(wd->btn, "focus_highlight");
 165    if ((str) && (!strcmp(str, "on")))
 166      elm_widget_highlight_in_theme_set(obj, EINA_TRUE);
 167    else
 168      elm_widget_highlight_in_theme_set(obj, EINA_FALSE);
 169    _sizing_eval(obj);
 170 }
 171
 172 static void
 173 _disable_hook(Evas_Object *obj)
 174 {
 175    Widget_Data *wd = elm_widget_data_get(obj);
 176    if (!wd) return;
 177    if (elm_widget_disabled_get(obj))
 178      {
 179         if (wd->statelabel[DISABLED] )
 180           {
 181              _set_label(obj, wd->statelabel[DISABLED]);
 182           }
 183         edje_object_signal_emit(wd->btn, "elm,state,disabled", "elm");
 184      }
 185    else
 186      {
 187         if (wd->statelabel[DEFAULT])
 188           _set_label(obj, wd->statelabel[DEFAULT]);
 189         #if 0
 190         else
 191           _set_label(obj, wd->label);
 192         #endif
 193         edje_object_signal_emit(wd->btn, "elm,state,enabled", "elm");
 194      }
 195 }
 196
 197 static void
 198 _signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
 199 {
 200    Widget_Data *wd = elm_widget_data_get(obj);
 201    if (!wd) return;
 202    edje_object_signal_emit(wd->btn, emission, source);
 203 }
 204
 205 static void
 206 _signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 207 {
 208    Widget_Data *wd = elm_widget_data_get(obj);
 209    if (!wd) return;
 210    edje_object_signal_callback_add(wd->btn, emission, source, func_cb, data);
 211 }
 212
 213 static void
 214 _signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, Edje_Signal_Cb func_cb, void *data)
 215 {
 216    Widget_Data *wd = elm_widget_data_get(obj);
 217    edje_object_signal_callback_del_full(wd->btn, emission, source, func_cb,
 218                                         data);
 219 }
 220
 221 static void
 222 _sizing_eval(Evas_Object *obj)
 223 {
 224    Widget_Data *wd = elm_widget_data_get(obj);
 225    Evas_Coord minw = -1, minh = -1;
 226    Evas_Coord w, h;
 227
 228    if (!wd) return;
 229    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 230    edje_object_size_min_restricted_calc(wd->btn, &minw, &minh, minw, minh);
 231    elm_coords_finger_size_adjust(1, &minw, 1, &minh);
 232    //Commenting to sync with open source and able to resize based on text change
 233    evas_object_size_hint_min_get(obj, &w, &h);
 234    //if (w > minw) minw = w;
 235    if (h > minh) minh = h;
 236
 237    evas_object_size_hint_min_set(obj, minw, minh);
 238 }
 239
 240 static void
 241 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
 242 {
 243    Widget_Data *wd = elm_widget_data_get(data);
 244    if (!wd) return;
 245    if (obj != wd->icon) return;
 246    _sizing_eval(data);
 247 }
 248
 249 static void
 250 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
 251 {
 252    Widget_Data *wd = elm_widget_data_get(obj);
 253    Evas_Object *sub = event_info;
 254    if (!wd) return;
 255    if (sub == wd->icon)
 256      {
 257         edje_object_signal_emit(wd->btn, "elm,state,icon,hidden", "elm");
 258         evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 259                                             _changed_size_hints, obj);
 260         wd->icon = NULL;
 261         edje_object_message_signal_process(wd->btn);
 262         _sizing_eval(obj);
 263      }
 264 }
 265
 266 static void
 267 _activate(Evas_Object *obj)
 268 {
 269    Widget_Data *wd = elm_widget_data_get(obj);
 270    if (!wd) return;
 271    if (wd->timer)
 272      {
 273         ecore_timer_del(wd->timer);
 274         wd->timer = NULL;
 275      }
 276    wd->repeating = EINA_FALSE;
 277    evas_object_smart_callback_call(obj, SIG_CLICKED, NULL);
 278 }
 279
 280 static void
 281 _activate_hook(Evas_Object *obj)
 282 {
 283    _activate(obj);
 284 }
 285
 286 static void
 287 _signal_clicked(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 288 {
 289    _activate(data);
 290 }
 291
 292 static Eina_Bool
 293 _autorepeat_send(void *data)
 294 {
 295    Widget_Data *wd = elm_widget_data_get(data);
 296    if (!wd) return ECORE_CALLBACK_CANCEL;
 297
 298    evas_object_smart_callback_call(data, SIG_REPEATED, NULL);
 299    if (!wd->repeating)
 300      {
 301         wd->timer = NULL;
 302         return ECORE_CALLBACK_CANCEL;
 303      }
 304
 305    return ECORE_CALLBACK_RENEW;
 306 }
 307
 308 static Eina_Bool
 309 _autorepeat_initial_send(void *data)
 310 {
 311    Widget_Data *wd = elm_widget_data_get(data);
 312    if (!wd) return ECORE_CALLBACK_CANCEL;
 313
 314    if (wd->timer) ecore_timer_del(wd->timer);
 315    wd->repeating = EINA_TRUE;
 316    _autorepeat_send(data);
 317    wd->timer = ecore_timer_add(wd->ar_interval, _autorepeat_send, data);
 318
 319    return ECORE_CALLBACK_CANCEL;
 320 }
 321
 322 static void
 323 _signal_pressed(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 324 {
 325    Widget_Data *wd = elm_widget_data_get(data);
 326    if (!wd) return;
 327
 328    if (wd->statelabel[HIGHLIGHTED])
 329      {
 330         _set_label(data, wd->statelabel[HIGHLIGHTED]);
 331      }
 332    if ((wd->autorepeat) && (!wd->repeating))
 333      {
 334         if (wd->ar_threshold <= 0.0)
 335           _autorepeat_initial_send(data); /* call immediately */
 336         else
 337           wd->timer = ecore_timer_add(wd->ar_threshold, _autorepeat_initial_send, data);
 338      }
 339
 340    evas_object_smart_callback_call(data, SIG_PRESSED, NULL);
 341 }
 342
 343 static void
 344 _signal_unpressed(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
 345 {
 346    Widget_Data *wd = elm_widget_data_get(data);
 347    if (!wd) return;
 348    if (wd->statelabel[DEFAULT])
 349      _set_label(data, wd->statelabel[DEFAULT]);
 350    #if 0
 351    else
 352      _set_label(data, wd->label);
 353    #endif
 354
 355    if (wd->timer)
 356      {
 357         ecore_timer_del(wd->timer);
 358         wd->timer = NULL;
 359      }
 360    wd->repeating = EINA_FALSE;
 361    evas_object_smart_callback_call(data, SIG_UNPRESSED, NULL);
 362 }
 363
 364 static void
 365 _signal_default_text_set(void *data, Evas_Object *obj, const char *emission, const char *source)
 366 {
 367    Widget_Data *wd = elm_widget_data_get(data);
 368    if (!wd) return;
 369    if (wd->statelabel[DEFAULT])
 370      _set_label(data, wd->statelabel[DEFAULT]);
 371    #if 0
 372    else
 373      _set_label(data, wd->label);
 374    #endif
 375 }
 376 /**
 377  * Add a new button to the parent
 378  * @param[in] parent The parent object
 379  * @return The new object or NULL if it cannot be created
 380  *
 381  * @ingroup Button
 382  */
 383 EAPI Evas_Object *
 384 elm_button_add(Evas_Object *parent)
 385 {
 386    Evas_Object *obj;
 387    Evas *e;
 388    Widget_Data *wd;
 389
 390    ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
 391
 392    ELM_SET_WIDTYPE(widtype, "button");
 393    elm_widget_type_set(obj, "button");
 394    elm_widget_sub_object_add(parent, obj);
 395    elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
 396    elm_widget_data_set(obj, wd);
 397    elm_widget_del_hook_set(obj, _del_hook);
 398    elm_widget_theme_hook_set(obj, _theme_hook);
 399    elm_widget_disable_hook_set(obj, _disable_hook);
 400    elm_widget_can_focus_set(obj, EINA_TRUE);
 401    elm_widget_activate_hook_set(obj, _activate_hook);
 402    elm_widget_event_hook_set(obj, _event_hook);
 403    elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
 404    elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
 405    elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
 406
 407    wd->btn = edje_object_add(e);
 408    _elm_theme_object_set(obj, wd->btn, "button", "base", "default");
 409    wd->statetype[DEFAULT] = 0;
 410    wd->statetype[HIGHLIGHTED] = 0;
 411    wd->statetype[FOCUSED] = 0;
 412    wd->statetype[DISABLED] = 0;
 413    wd->statelabel[DEFAULT] = 0;
 414    wd->statelabel[HIGHLIGHTED] = 0;
 415    wd->statelabel[FOCUSED] = 0;
 416    wd->statelabel[DISABLED] = 0;
 417    edje_object_signal_callback_add(wd->btn, "elm,action,click", "",
 418                                    _signal_clicked, obj);
 419    edje_object_signal_callback_add(wd->btn, "elm,action,press", "",
 420                                    _signal_pressed, obj);
 421    edje_object_signal_callback_add(wd->btn, "elm,action,unpress", "",
 422                                    _signal_unpressed, obj);
 423    edje_object_signal_callback_add(wd->btn, "elm,action,default,text,set", "",
 424                                    _signal_default_text_set, obj);
 425    elm_widget_resize_object_set(obj, wd->btn);
 426
 427    evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
 428
 429    _theme_hook(obj);
 430
 431    // TODO: convert Elementary to subclassing of Evas_Smart_Class
 432    // TODO: and save some bytes, making descriptions per-class and not instance!
 433    evas_object_smart_callbacks_descriptions_set(obj, _signals);
 434    return obj;
 435 }
 436
 437 /**
 438  * Set the label used in the button
 439  *
 440  * @param[in] obj The button object
 441  * @param[in] label The text will be written on the button
 442  *
 443  * @ingroup Button
 444  */
 445 EAPI void
 446 elm_button_label_set(Evas_Object *obj, const char *label)
 447 {
 448    ELM_CHECK_WIDTYPE(obj, widtype);
 449    Widget_Data *wd = elm_widget_data_get(obj);
 450    if (!wd) return;
 451    eina_stringshare_replace(&wd->label, label);
 452    if (label)
 453      edje_object_signal_emit(wd->btn, "elm,state,text,visible", "elm");
 454    else
 455      edje_object_signal_emit(wd->btn, "elm,state,text,hidden", "elm");
 456    edje_object_message_signal_process(wd->btn);
 457    edje_object_part_text_set(wd->btn, "elm.text", label);
 458    _sizing_eval(obj);
 459 }
 460
 461 static void
 462 _set_label(Evas_Object *obj, const char *label)
 463 {
 464    Widget_Data *wd = elm_widget_data_get(obj);
 465
 466    edje_object_part_text_set(wd->btn, "elm.text", label);
 467    _sizing_eval(obj);
 468 }
 469 /**
 470  * Set the label for each state of button
 471  *
 472  * @param[in] obj The button object
 473  * @param[in] label The text will be written on the button
 474  * @param[in] state The state of button
 475  *
 476  * @ingroup Button
 477  */
 478 EAPI void
 479 elm_button_label_set_for_state(Evas_Object *obj, const char *label, UIControlState state)
 480 {
 481    Widget_Data *wd = elm_widget_data_get(obj);
 482
 483    if (!wd) return;
 484    if (label == NULL) return;
 485
 486    if (state == UIControlStateDefault)
 487      {
 488         wd->statetype[DEFAULT] = UIControlStateDefault;
 489         eina_stringshare_replace(&wd->statelabel[DEFAULT], label);
 490         return;
 491      }
 492    if (state == UIControlStateHighlighted)
 493      {
 494         wd->statetype[HIGHLIGHTED] = UIControlStateHighlighted;
 495         eina_stringshare_replace(&wd->statelabel[HIGHLIGHTED], label);
 496         return;
 497      }
 498    if (state == UIControlStateFocused)
 499      {
 500         wd->statetype[FOCUSED] = UIControlStateFocused;
 501         eina_stringshare_replace(&wd->statelabel[FOCUSED], label);
 502         return;
 503      }
 504    if (state == UIControlStateDisabled)
 505      {
 506         wd->statetype[DISABLED] = UIControlStateDisabled;
 507         eina_stringshare_replace(&wd->statelabel[DISABLED], label);
 508         return;
 509      }
 510 }
 511
 512 /**
 513  * Get the label of button
 514  *
 515  * @param[in] obj The button object
 516  * @return The title of button
 517  *
 518  * @ingroup Button
 519  */
 520 EAPI const char *
 521 elm_button_label_get(const Evas_Object *obj)
 522 {
 523    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 524    Widget_Data *wd = elm_widget_data_get(obj);
 525    if (!wd) return NULL;
 526    return wd->label;
 527 }
 528 /**
 529  * Get the label of button for each state
 530  *
 531  * @param[in] obj The button object
 532  * @param[in] state The state of button
 533  * @return The title of button for state
 534  *
 535  * @ingroup Button
 536  */
 537 EAPI const char*
 538 elm_button_label_get_for_state(const Evas_Object *obj, UIControlState state)
 539 {
 540    Widget_Data *wd = elm_widget_data_get(obj);
 541    if (!wd) return NULL;
 542
 543    if (state == UIControlStateDefault)
 544      return wd->statelabel[DEFAULT];
 545    else if (state == UIControlStateHighlighted)
 546      return wd->statelabel[HIGHLIGHTED];
 547    else if (state == UIControlStateFocused)
 548      return wd->statelabel[FOCUSED];
 549    else if (state == UIControlStateDisabled)
 550      return wd->statelabel[DISABLED];
 551    else
 552      return NULL;
 553 }
 554
 555 /**
 556  * Set the icon used for the button
 557  *
 558  * Once the icon object is set, a previously set one will be deleted
 559  * If you want to keep that old content object, use the
 560  * elm_button_icon_unset() function.
 561  *
 562  * @param[in] obj The button object
 563  * @param[in] icon The icon object for the button
 564  *
 565  * @ingroup Button
 566  */
 567 EAPI void
 568 elm_button_icon_set(Evas_Object *obj, Evas_Object *icon)
 569 {
 570    ELM_CHECK_WIDTYPE(obj, widtype);
 571    Widget_Data *wd = elm_widget_data_get(obj);
 572    if (!wd) return;
 573    if (wd->icon == icon) return;
 574    if (wd->icon) evas_object_del(wd->icon);
 575    wd->icon = icon;
 576    if (icon)
 577      {
 578         elm_widget_sub_object_add(obj, icon);
 579         evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
 580                                        _changed_size_hints, obj);
 581         edje_object_part_swallow(wd->btn, "elm.swallow.content", icon);
 582         edje_object_signal_emit(wd->btn, "elm,state,icon,visible", "elm");
 583         edje_object_message_signal_process(wd->btn);
 584      }
 585    _sizing_eval(obj);
 586 }
 587
 588 /**
 589  * Get the icon used for the button
 590  *
 591  * Return the icon object which is set for this widget.
 592  *
 593  * @param[in] obj The button object
 594  * @return The icon object that is being used
 595  *
 596  * @ingroup Button
 597  */
 598 EAPI Evas_Object *
 599 elm_button_icon_get(const Evas_Object *obj)
 600 {
 601    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 602    Widget_Data *wd = elm_widget_data_get(obj);
 603    if (!wd) return NULL;
 604    return wd->icon;
 605 }
 606
 607 /**
 608  * Unset the icon used for the button
 609  *
 610  * Unparent and return the icon object which was set for this widget.
 611  *
 612  * @param[in] obj The button object
 613  * @return The icon object that was being used
 614  *
 615  * @ingroup Button
 616  */
 617 EAPI Evas_Object *
 618 elm_button_icon_unset(Evas_Object *obj)
 619 {
 620    ELM_CHECK_WIDTYPE(obj, widtype) NULL;
 621    Widget_Data *wd = elm_widget_data_get(obj);
 622    if (!wd) return NULL;
 623    if (!wd->icon) return NULL;
 624    Evas_Object *icon = wd->icon;
 625    elm_widget_sub_object_del(obj, wd->icon);
 626    edje_object_part_unswallow(wd->btn, wd->icon);
 627    wd->icon = NULL;
 628    return icon;
 629 }
 630
 631 /**
 632  * Turn on/off the autorepeat event generated when the user keeps pressing on the button
 633  *
 634  * @param[in] obj The button object
 635  * @param[in] on  A bool to turn on/off the event
 636  *
 637  * @ingroup Button
 638  */
 639 EAPI void
 640 elm_button_autorepeat_set(Evas_Object *obj, Eina_Bool on)
 641 {
 642    ELM_CHECK_WIDTYPE(obj, widtype);
 643    Widget_Data *wd = elm_widget_data_get(obj);
 644    if (!wd) return;
 645    if (wd->timer)
 646      {
 647         ecore_timer_del(wd->timer);
 648         wd->timer = NULL;
 649      }
 650    wd->autorepeat = on;
 651    wd->repeating = EINA_FALSE;
 652 }
 653
 654 /**
 655  * Get if autorepeat event is on
 656  *
 657  * @param[in] obj The button object
 658  * @return If autorepeat is on
 659  *
 660  * @ingroup Button
 661  */
 662 EAPI Eina_Bool
 663 elm_button_autorepeat_get(const Evas_Object *obj)
 664 {
 665    ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
 666    Widget_Data *wd = elm_widget_data_get(obj);
 667    if (!wd) return EINA_FALSE;
 668    return wd->autorepeat;
 669 }
 670
 671 /**
 672  * Set the initial timeout before the autorepeat event is generated
 673  *
 674  * @param[in] obj The button object
 675  * @param[in] t   Timeout
 676  *
 677  * @ingroup Button
 678  */
 679 EAPI void
 680 elm_button_autorepeat_initial_timeout_set(Evas_Object *obj, double t)
 681 {
 682    ELM_CHECK_WIDTYPE(obj, widtype);
 683    Widget_Data *wd = elm_widget_data_get(obj);
 684    if (!wd) return;
 685    if (wd->ar_threshold == t) return;
 686    if (wd->timer)
 687      {
 688         ecore_timer_del(wd->timer);
 689         wd->timer = NULL;
 690      }
 691    wd->ar_threshold = t;
 692 }
 693
 694 /**
 695  * Get the initial timeout before the autorepeat event is generated
 696  *
 697  * @param[in] obj The button object
 698  * @return Timeout
 699  *
 700  * @ingroup Button
 701  */
 702 EAPI double
 703 elm_button_autorepeat_initial_timeout_get(const Evas_Object *obj)
 704 {
 705    ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
 706    Widget_Data *wd = elm_widget_data_get(obj);
 707    if (!wd) return 0.0;
 708    return wd->ar_threshold;
 709 }
 710
 711 /**
 712  * Set the interval between each generated autorepeat event
 713  *
 714  * @param[in] obj The button object
 715  * @param[in] t   Interval
 716  *
 717  * @ingroup Button
 718  */
 719 EAPI void
 720 elm_button_autorepeat_gap_timeout_set(Evas_Object *obj, double t)
 721 {
 722    ELM_CHECK_WIDTYPE(obj, widtype);
 723    Widget_Data *wd = elm_widget_data_get(obj);
 724    if (!wd) return;
 725    if (wd->ar_interval == t) return;
 726
 727    wd->ar_interval = t;
 728    if ((wd->repeating) && (wd->timer)) ecore_timer_interval_set(wd->timer, t);
 729 }
 730
 731 /**
 732  * Get the interval between each generated autorepeat event
 733  *
 734  * @param[in] obj The button object
 735  * @return Interval
 736  *
 737  * @ingroup Button
 738  */
 739 EAPI double
 740 elm_button_autorepeat_gap_timeout_get(const Evas_Object *obj)
 741 {
 742    ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
 743    Widget_Data *wd = elm_widget_data_get(obj);
 744    if (!wd) return 0.0;
 745    return wd->ar_interval;
 746 }