333 lines
7.8 KiB
C
333 lines
7.8 KiB
C
#include "evas_common_private.h"
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#include "evas_private.h"
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static void _evas_smart_class_callbacks_create(Evas_Smart *s);
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static void _evas_smart_class_interfaces_create(Evas_Smart *s);
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/* all public */
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EAPI void
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evas_smart_free(Evas_Smart *s)
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{
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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return;
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MAGIC_CHECK_END();
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s->delete_me = 1;
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if (s->usage > 0) return;
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if (s->class_allocated) free((void *)s->smart_class);
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free(s->callbacks.array);
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free(s->interfaces.array);
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free(s);
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}
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EAPI Evas_Smart *
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evas_smart_class_new(const Evas_Smart_Class *sc)
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{
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Evas_Smart *s;
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if (!sc) return NULL;
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/* api does not match abi! for now refuse as we only have 1 version */
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if (sc->version != EVAS_SMART_CLASS_VERSION) return NULL;
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s = evas_mem_calloc(sizeof(Evas_Smart));
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if (!s) return NULL;
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s->magic = MAGIC_SMART;
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s->smart_class = sc;
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_evas_smart_class_callbacks_create(s);
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_evas_smart_class_interfaces_create(s);
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return s;
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}
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EAPI const Evas_Smart_Class *
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evas_smart_class_get(const Evas_Smart *s)
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{
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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return NULL;
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MAGIC_CHECK_END();
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return s->smart_class;
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}
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EAPI void *
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evas_smart_data_get(const Evas_Smart *s)
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{
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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return NULL;
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MAGIC_CHECK_END();
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return (void *)s->smart_class->data;
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}
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EAPI const Evas_Smart_Cb_Description **
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evas_smart_callbacks_descriptions_get(const Evas_Smart *s, unsigned int *count)
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{
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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if (count) *count = 0;
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return NULL;
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MAGIC_CHECK_END();
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if (count) *count = s->callbacks.size;
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return s->callbacks.array;
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}
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EAPI const Evas_Smart_Cb_Description *
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evas_smart_callback_description_find(const Evas_Smart *s, const char *name)
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{
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if (!name) return NULL;
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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return NULL;
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MAGIC_CHECK_END();
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return evas_smart_cb_description_find(&s->callbacks, name);
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}
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EAPI Eina_Bool
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evas_smart_class_inherit_full(Evas_Smart_Class *sc, const Evas_Smart_Class *parent_sc, unsigned int parent_sc_size)
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{
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unsigned int off;
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/* api does not match abi! for now refuse as we only have 1 version */
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if (parent_sc->version != EVAS_SMART_CLASS_VERSION) return EINA_FALSE;
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#define _CP(m) sc->m = parent_sc->m
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_CP(add);
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_CP(del);
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_CP(move);
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_CP(resize);
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_CP(show);
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_CP(hide);
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_CP(color_set);
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_CP(clip_set);
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_CP(clip_unset);
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_CP(calculate);
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_CP(member_add);
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_CP(member_del);
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#undef _CP
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sc->parent = parent_sc;
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off = sizeof(Evas_Smart_Class);
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if (parent_sc_size == off) return EINA_TRUE;
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memcpy(((char *)sc) + off, ((char *)parent_sc) + off, parent_sc_size - off);
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return EINA_TRUE;
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}
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EAPI int
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evas_smart_usage_get(const Evas_Smart *s)
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{
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MAGIC_CHECK(s, Evas_Smart, MAGIC_SMART);
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return 0;
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MAGIC_CHECK_END();
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return s->usage;
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}
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/* internal funcs */
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void
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evas_object_smart_use(Evas_Smart *s)
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{
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s->usage++;
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}
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void
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evas_object_smart_unuse(Evas_Smart *s)
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{
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s->usage--;
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if ((s->usage <= 0) && (s->delete_me)) evas_smart_free(s);
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}
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Eina_Bool
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evas_smart_cb_descriptions_resize(Evas_Smart_Cb_Description_Array *a, unsigned int size)
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{
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void *tmp;
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if (size == a->size)
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return EINA_TRUE;
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if (size == EINA_FALSE)
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{
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free(a->array);
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a->array = NULL;
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a->size = 0;
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return EINA_TRUE;
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}
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tmp = realloc(a->array, (size + 1) * sizeof(Evas_Smart_Cb_Description *));
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if (tmp)
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{
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a->array = tmp;
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a->size = size;
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a->array[size] = NULL;
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return EINA_TRUE;
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}
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else
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{
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ERR("realloc failed!");
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return EINA_FALSE;
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}
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}
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static int
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_evas_smart_cb_description_cmp_sort(const void *p1, const void *p2)
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{
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const Evas_Smart_Cb_Description **a = (const Evas_Smart_Cb_Description **)p1;
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const Evas_Smart_Cb_Description **b = (const Evas_Smart_Cb_Description **)p2;
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return strcmp((*a)->name, (*b)->name);
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}
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void
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evas_smart_cb_descriptions_fix(Evas_Smart_Cb_Description_Array *a)
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{
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unsigned int i, j;
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if (!a)
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{
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ERR("no array to fix!");
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return;
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}
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qsort(a->array, a->size, sizeof(Evas_Smart_Cb_Description *),
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_evas_smart_cb_description_cmp_sort);
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DBG("%u callbacks", a->size);
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if (a->size)
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DBG("%s [type=%s]", a->array[0]->name, a->array[0]->type);
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for (i = 0, j = 1; j < a->size; j++)
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{
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const Evas_Smart_Cb_Description *cur, *prev;
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cur = a->array[j];
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prev = a->array[i];
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DBG("%s [type=%s]", cur->name, cur->type);
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if (strcmp(cur->name, prev->name) != 0)
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{
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i++;
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if (i != j)
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a->array[i] = a->array[j];
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}
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else
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{
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if (strcmp(cur->type, prev->type) == 0)
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WRN("duplicated smart callback description"
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" with name '%s' and type '%s'", cur->name, cur->type);
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else
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ERR("callback descriptions named '%s' differ"
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" in type, keeping '%s', ignoring '%s'",
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cur->name, prev->type, cur->type);
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}
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}
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evas_smart_cb_descriptions_resize(a, i + 1);
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}
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static void
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_evas_smart_class_callbacks_create(Evas_Smart *s)
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{
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const Evas_Smart_Class *sc;
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unsigned int n = 0;
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for (sc = s->smart_class; sc; sc = sc->parent)
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{
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const Evas_Smart_Cb_Description *d;
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for (d = sc->callbacks; d && d->name; d++)
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n++;
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}
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if (n == 0) return;
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if (!evas_smart_cb_descriptions_resize(&s->callbacks, n)) return;
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s->callbacks.size = n;
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for (n = 0, sc = s->smart_class; sc; sc = sc->parent)
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{
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const Evas_Smart_Cb_Description *d;
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for (d = sc->callbacks; d && d->name; d++)
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s->callbacks.array[n++] = d;
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}
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evas_smart_cb_descriptions_fix(&s->callbacks);
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}
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static void
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_evas_smart_class_interfaces_create(Evas_Smart *s)
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{
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unsigned int i, total_priv_sz = 0;
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const Evas_Smart_Class *sc;
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/* get number of interfaces on the smart */
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for (i = 0, sc = s->smart_class; sc; sc = sc->parent)
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{
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const Evas_Smart_Interface **ifaces_array = sc->interfaces;
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if (!ifaces_array) continue;
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while (*ifaces_array)
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{
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const Evas_Smart_Interface *iface = *ifaces_array;
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if (!iface->name) break;
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i++;
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if (iface->private_size > 0)
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{
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unsigned int size = iface->private_size;
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if (size % sizeof(void *) != 0)
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size += sizeof(void *) - (size % sizeof(void *));
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total_priv_sz += size;
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}
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ifaces_array++;
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}
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}
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if (!i) return;
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s->interfaces.array = malloc(i * sizeof(Evas_Smart_Interface *));
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if (!s->interfaces.array)
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{
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ERR("malloc failed!");
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return;
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}
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s->interfaces.size = i;
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for (i = 0, sc = s->smart_class; sc; sc = sc->parent)
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{
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const Evas_Smart_Interface **ifaces_array = sc->interfaces;
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if (!ifaces_array) continue;
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while (*ifaces_array)
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{
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const Evas_Smart_Interface *iface = *ifaces_array;
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if (!iface->name) break;
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s->interfaces.array[i++] = iface;
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ifaces_array++;
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}
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}
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}
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static int
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_evas_smart_cb_description_cmp_search(const void *p1, const void *p2)
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{
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const char *name = p1;
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const Evas_Smart_Cb_Description **v = (const Evas_Smart_Cb_Description **)p2;
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/* speed up string shares searches (same pointers) */
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if (name == (*v)->name) return 0;
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return strcmp(name, (*v)->name);
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}
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const Evas_Smart_Cb_Description *
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evas_smart_cb_description_find(const Evas_Smart_Cb_Description_Array *a, const char *name)
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{
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if (!a->array) return NULL;
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return bsearch(name, a->array, a->size, sizeof(Evas_Smart_Cb_Description *),
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_evas_smart_cb_description_cmp_search);
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}
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