forked from enlightenment/efl
elementary/widget - added elm_object_item_signal_callback_add(), elm_object_item_signal_callback_del()
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30ce1cf732
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@ -1110,3 +1110,7 @@
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* Fix elm_conform didn't change indicator mode when create.
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2013-03-06 ChunEon Park (Hermet)
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* Add elm_object_item_signal_callback_add(), elm_object_item_signal_callback_del().
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@ -45,6 +45,7 @@ Additions:
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* Add omit feature to elm_index.
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* Add elm_transit_smooth_set(), elm_transit_smooth_get()
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* Add edje_object_message_signal_process before edje_object_size_min_restricted_calc.
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* Add elm_object_item_signal_callback_add(), elm_object_item_signal_callback_del().
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Improvements:
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@ -1633,6 +1633,18 @@ elm_object_item_signal_emit(Elm_Object_Item *it, const char *emission, const cha
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_elm_widget_item_signal_emit((Elm_Widget_Item *)it, emission, source);
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}
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EAPI void
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elm_object_item_signal_callback_add(Elm_Object_Item *it, const char *emission, const char *source, Elm_Object_Item_Signal_Cb func, void *data)
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{
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_elm_widget_item_signal_callback_add((Elm_Widget_Item *)it, emission, source, (Elm_Widget_Item_Signal_Cb) func, data);
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}
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EAPI void *
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elm_object_item_signal_callback_del(Elm_Object_Item *it, const char *emission, const char *source, Elm_Object_Item_Signal_Cb func)
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{
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return _elm_widget_item_signal_callback_del((Elm_Widget_Item *)it, emission, source, (Elm_Widget_Item_Signal_Cb) func);
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}
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EAPI void elm_object_item_disabled_set(Elm_Object_Item *it, Eina_Bool disabled)
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{
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_elm_widget_item_disabled_set((Elm_Widget_Item *)it, disabled);
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@ -1,3 +1,17 @@
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/**
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* @typedef Elm_Object_Item_Signal_Cb
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*
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* Elm_Object_Item Signal Callback functions' prototype definition. @c data
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* will have the auxiliary data pointer at the time the callback registration.
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* @c it will be a pointer the Elm_Object_Item that have the edje object where
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* the signal comes from. @c emission will identify the exact signal's emission
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* string and @c source the exact signal's source one.
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*
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* @see elm_object_item_signal_callback_add()
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* @since 1.8
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*/
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typedef void (*Elm_Object_Item_Signal_Cb)(void *data, Elm_Object_Item *it, const char *emission, const char *source);
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/**
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* Get the widget object's handle which contains a given item
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*
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@ -255,6 +269,50 @@ EAPI void elm_object_item_data_set(Elm_Object_Item *it,
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*/
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EAPI void elm_object_item_signal_emit(Elm_Object_Item *it, const char *emission, const char *source);
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/**
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* Add a callback for a signal emitted by object item edje.
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*
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* This function connects a callback function to a signal emitted by the
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* edje object of the object item.
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* Globs can occur in either the emission or source name.
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*
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* @param it The elementary object item
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* @param emission The signal's name.
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* @param source The signal's source.
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* @param func The callback function to be executed when the signal is
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* emitted.
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* @param data A pointer to data to pass to the callback function.
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* @since 1.8
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*
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* @ingroup General
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*/
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EAPI void elm_object_item_signal_callback_add(Elm_Object_Item *it, const char *emission, const char *source, Elm_Object_Item_Signal_Cb func, void *data);
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/**
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* Remove a signal-triggered callback from a object item edje object.
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*
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* @param it The elementary object item
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* @param emission The signal's name.
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* @param source The signal's source.
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* @param func The callback function to be executed when the signal is
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* emitted.
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* @return The data pointer of the signal callback or @c NULL, on
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* errors.
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*
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* This function removes the @b last callback, previously attached to
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* a signal emitted by an underlying Edje object of @a it, whose
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* parameters @a emission, @a source and @c func match exactly with
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* those passed to a previous call to
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* elm_object_item_signal_callback_add(). The data pointer that was passed
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* to this call will be returned.
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*
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* @see elm_object_item_signal_callback_add()
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* @since 1.8
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*
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* @ingroup General
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*/
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EAPI void *elm_object_item_signal_callback_del(Elm_Object_Item *it, const char *emission, const char *source, Elm_Object_Item_Signal_Cb func);
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/**
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* Set the disabled state of an widget item.
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*
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@ -4576,6 +4576,7 @@ EAPI void
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_elm_widget_item_free(Elm_Widget_Item *item)
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{
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Elm_Translate_String_Data *ts;
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Elm_Widget_Item_Signal_Data *wisd;
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ELM_WIDGET_ITEM_CHECK_OR_RETURN(item);
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@ -4588,6 +4589,13 @@ _elm_widget_item_free(Elm_Widget_Item *item)
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if (item->access_info)
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eina_stringshare_del(item->access_info);
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EINA_LIST_FREE (item->signals, wisd)
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{
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eina_stringshare_del(wisd->emission);
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eina_stringshare_del(wisd->source);
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free(wisd);
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}
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EINA_LIST_FREE (item->translate_strings, ts)
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{
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eina_stringshare_del(ts->id);
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@ -5283,6 +5291,89 @@ _elm_widget_item_signal_emit_hook_set(Elm_Widget_Item *item,
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item->signal_emit_func = func;
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}
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static void
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_elm_widget_item_signal_cb(void *data, Evas_Object *obj __UNUSED__, const char *emission,
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const char *source)
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{
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Elm_Widget_Item_Signal_Data *wisd = data;
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wisd->func(wisd->data, wisd->item, emission, source);
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}
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EAPI void
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_elm_widget_item_signal_callback_add(Elm_Widget_Item *item,
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const char *emission,
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const char *source,
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Elm_Widget_Item_Signal_Cb func,
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void *data)
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{
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ELM_WIDGET_ITEM_CHECK_OR_RETURN(item);
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EINA_SAFETY_ON_NULL_RETURN(func);
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Elm_Widget_Item_Signal_Data *wisd;
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wisd = malloc(sizeof(Elm_Widget_Item_Signal_Data));
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if (!wisd) return;
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wisd->item = item;
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wisd->func = func;
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wisd->data = data;
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wisd->emission = eina_stringshare_add(emission);
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wisd->source = eina_stringshare_add(source);
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if (_elm_widget_is(item->view))
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elm_object_signal_callback_add(item->view, emission, source, _elm_widget_item_signal_cb, wisd);
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else if (!strcmp(eo_class_name_get(eo_class_get(item->view)), "edje"))
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edje_object_signal_callback_add(item->view, emission, source, _elm_widget_item_signal_cb, wisd);
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else
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{
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WRN("The %s widget item doesn't support signal callback add!",
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eo_class_name_get(eo_class_get(item->widget)));
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free(wisd);
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return;
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}
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item->signals = eina_list_append(item->signals, wisd);
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}
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EAPI void *
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_elm_widget_item_signal_callback_del(Elm_Widget_Item *item,
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const char *emission,
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const char *source,
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Elm_Widget_Item_Signal_Cb func)
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{
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ELM_WIDGET_ITEM_CHECK_OR_RETURN(item, NULL);
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EINA_SAFETY_ON_NULL_RETURN_VAL(func, NULL);
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Elm_Widget_Item_Signal_Data *wisd;
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Eina_List *l;
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void *data = NULL;
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EINA_LIST_FOREACH(item->signals, l, wisd)
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{
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if ((wisd->func == func) && !strcmp(wisd->emission, emission) &&
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!strcmp(wisd->source, source))
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{
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item->signals = eina_list_remove_list(item->signals, l);
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eina_stringshare_del(wisd->emission);
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eina_stringshare_del(wisd->source);
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data = wisd->data;
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if (_elm_widget_is(item->view))
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elm_object_signal_callback_del(item->view, emission, source,
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_elm_widget_item_signal_cb);
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else if (!strcmp(eo_class_name_get(eo_class_get(item->view)),
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"edje"))
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edje_object_signal_callback_del_full(item->view, emission,
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source,
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_elm_widget_item_signal_cb,
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data);
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}
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}
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return data;
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}
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EAPI void
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_elm_widget_item_access_info_set(Elm_Widget_Item *item,
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const char *txt)
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@ -443,6 +443,7 @@ typedef struct _Elm_Cursor Elm_Cursor;
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/**< base structure for all widget items that are not Elm_Widget themselves */
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typedef struct _Elm_Widget_Item Elm_Widget_Item;
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typedef struct _Elm_Widget_Item_Signal_Data Elm_Widget_Item_Signal_Data;
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/**< accessibility information to be able to set and get from the access API */
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typedef struct _Elm_Access_Info Elm_Access_Info;
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@ -458,6 +459,7 @@ typedef Evas_Object *(*Elm_Widget_Content_Unset_Cb)(const void *data, c
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typedef void (*Elm_Widget_Signal_Emit_Cb)(void *data, const char *emission, const char *source);
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typedef void (*Elm_Widget_Disable_Cb)(void *data);
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typedef Eina_Bool (*Elm_Widget_Del_Pre_Cb)(void *data);
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typedef void (*Elm_Widget_Item_Signal_Cb)(void *data, Elm_Widget_Item *item, const char *emission, const char *source);
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#define ELM_ACCESS_DONE -1 /* sentence done - send done event here */
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#define ELM_ACCESS_CANCEL -2 /* stop reading immediately */
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@ -528,6 +530,15 @@ EAPI void _elm_access_highlight_cycle(Evas_Object *obj, Elm_Focus_Di
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/**< put this as the first member in your widget item struct */
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#define ELM_WIDGET_ITEM Elm_Widget_Item base
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struct _Elm_Widget_Item_Signal_Data
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{
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Elm_Widget_Item *item;
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Elm_Widget_Item_Signal_Cb func;
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const char *emission;
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const char *source;
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void *data;
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};
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struct _Elm_Widget_Item
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{
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/* ef1 ~~ efl, el3 ~~ elm */
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const char *access_info;
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Eina_List *access_order;
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Eina_List *translate_strings;
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Eina_List *signals;
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Eina_Bool disabled : 1;
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};
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@ -724,6 +736,9 @@ EAPI Evas_Object *_elm_widget_item_part_content_get(const Elm_Widget_Item *i
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EAPI Evas_Object *_elm_widget_item_part_content_unset(Elm_Widget_Item *item, const char *part);
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EAPI void _elm_widget_item_part_text_set(Elm_Widget_Item *item, const char *part, const char *label);
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EAPI const char *_elm_widget_item_part_text_get(const Elm_Widget_Item *item, const char *part);
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EAPI void _elm_widget_item_signal_callback_add(Elm_Widget_Item *item, const char *emission, const char *source, Elm_Widget_Item_Signal_Cb func, void *data);
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EAPI void *_elm_widget_item_signal_callback_del(Elm_Widget_Item *it, const char *emission, const char *source, Elm_Widget_Item_Signal_Cb func);
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EAPI void _elm_widget_item_signal_emit(Elm_Widget_Item *item, const char *emission, const char *source);
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EAPI void _elm_widget_item_content_set_hook_set(Elm_Widget_Item *item, Elm_Widget_Content_Set_Cb func);
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EAPI void _elm_widget_item_content_get_hook_set(Elm_Widget_Item *item, Elm_Widget_Content_Get_Cb func);
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