static PointerRNA rna_KeyingSet_typeinfo_get(PointerRNA *ptr)
{
KeyingSet *ks = (KeyingSet *)ptr->data;
KeyingSetInfo *ksi = NULL;
/* keying set info is only for builtin Keying Sets */
if ((ks->flag & KEYINGSET_ABSOLUTE) == 0)
ksi = ANIM_keyingset_info_find_name(ks->typeinfo);
return rna_pointer_inherit_refine(ptr, &RNA_KeyingSetInfo, ksi);
}
static StructRNA *rna_KeyingSetInfo_register(Main *bmain, ReportList *reports, void *data, const char *identifier,
StructValidateFunc validate, StructCallbackFunc call, StructFreeFunc free)
{
KeyingSetInfo dummyksi = {NULL};
KeyingSetInfo *ksi;
PointerRNA dummyptr = {{NULL}};
int have_function[3];
/* setup dummy type info to store static properties in */
/* TODO: perhaps we want to get users to register as if they're using 'KeyingSet' directly instead? */
RNA_pointer_create(NULL, &RNA_KeyingSetInfo, &dummyksi, &dummyptr);
/* validate the python class */
if (validate(&dummyptr, data, have_function) != 0)
return NULL;
if (strlen(identifier) >= sizeof(dummyksi.idname)) {
BKE_reportf(reports, RPT_ERROR, "Registering keying set info class: '%s' is too long, maximum length is %d",
identifier, (int)sizeof(dummyksi.idname));
return NULL;
}
/* check if we have registered this info before, and remove it */
ksi = ANIM_keyingset_info_find_name(dummyksi.idname);
if (ksi && ksi->ext.srna)
rna_KeyingSetInfo_unregister(bmain, ksi->ext.srna);
/* create a new KeyingSetInfo type */
ksi = MEM_callocN(sizeof(KeyingSetInfo), "python keying set info");
memcpy(ksi, &dummyksi, sizeof(KeyingSetInfo));
/* set RNA-extensions info */
ksi->ext.srna = RNA_def_struct_ptr(&BLENDER_RNA, ksi->idname, &RNA_KeyingSetInfo);
ksi->ext.data = data;
ksi->ext.call = call;
ksi->ext.free = free;
RNA_struct_blender_type_set(ksi->ext.srna, ksi);
/* set callbacks */
/* NOTE: we really should have all of these... */
ksi->poll = (have_function[0]) ? RKS_POLL_rna_internal : NULL;
ksi->iter = (have_function[1]) ? RKS_ITER_rna_internal : NULL;
ksi->generate = (have_function[2]) ? RKS_GEN_rna_internal : NULL;
/* add and register with other info as needed */
ANIM_keyingset_info_register(ksi);
WM_main_add_notifier(NC_WINDOW, NULL);
/* return the struct-rna added */
return ksi->ext.srna;
}
/* Check if KeyingSet can be used in the current context */
short ANIM_keyingset_context_ok_poll(bContext *C, KeyingSet *ks)
{
if ((ks->flag & KEYINGSET_ABSOLUTE) == 0) {
KeyingSetInfo *ksi = ANIM_keyingset_info_find_name(ks->typeinfo);
/* get the associated 'type info' for this KeyingSet */
if (ksi == NULL)
return 0;
/* TODO: check for missing callbacks! */
/* check if it can be used in the current context */
return (ksi->poll(ksi, C));
}
return 1;
}
/* Given a KeyingSet and context info, validate Keying Set's paths.
* This is only really necessary with relative/built-in KeyingSets
* where their list of paths is dynamically generated based on the
* current context info.
*
* Returns 0 if succeeded, otherwise an error code: eModifyKey_Returns
*/
short ANIM_validate_keyingset(bContext *C, ListBase *dsources, KeyingSet *ks)
{
/* sanity check */
if (ks == NULL)
return 0;
/* if relative Keying Sets, poll and build up the paths */
if ((ks->flag & KEYINGSET_ABSOLUTE) == 0) {
KeyingSetInfo *ksi = ANIM_keyingset_info_find_name(ks->typeinfo);
/* clear all existing paths
* NOTE: BKE_keyingset_free() frees all of the paths for the KeyingSet, but not the set itself
*/
BKE_keyingset_free(ks);
/* get the associated 'type info' for this KeyingSet */
if (ksi == NULL)
return MODIFYKEY_MISSING_TYPEINFO;
/* TODO: check for missing callbacks! */
/* check if it can be used in the current context */
if (ksi->poll(ksi, C)) {
/* if a list of data sources are provided, run a special iterator over them,
* otherwise, just continue per normal
*/
if (dsources)
RKS_ITER_overrides_list(ksi, C, ks, dsources);
else
ksi->iter(ksi, C, ks);
/* if we don't have any paths now, then this still qualifies as invalid context */
// FIXME: we need some error conditions (to be retrieved from the iterator why this failed!)
if (ks->paths.first == NULL)
return MODIFYKEY_INVALID_CONTEXT;
}
else {
/* poll callback tells us that KeyingSet is useless in current context */
// FIXME: the poll callback needs to give us more info why
return MODIFYKEY_INVALID_CONTEXT;
}
}
/* succeeded; return 0 to tag error free */
return 0;
}