/** * \a check_prop callback filters functions to avoid drawing certain properties, * in cases where PROP_HIDDEN flag can't be used for a property. */ int uiDefAutoButsRNA(uiLayout *layout, PointerRNA *ptr, int (*check_prop)(PointerRNA *, PropertyRNA *), const char label_align) { uiLayout *split, *col; int flag; const char *name; int tot = 0; assert(ELEM3(label_align, '\0', 'H', 'V')); RNA_STRUCT_BEGIN (ptr, prop) { flag = RNA_property_flag(prop); if (flag & PROP_HIDDEN || (check_prop && check_prop(ptr, prop) == FALSE)) continue; if (label_align != '\0') { PropertyType type = RNA_property_type(prop); int is_boolean = (type == PROP_BOOLEAN && !RNA_property_array_check(prop)); name = RNA_property_ui_name(prop); if (label_align == 'V') { col = uiLayoutColumn(layout, TRUE); if (!is_boolean) uiItemL(col, name, ICON_NONE); } else if (label_align == 'H') { split = uiLayoutSplit(layout, 0.5f, FALSE); col = uiLayoutColumn(split, FALSE); uiItemL(col, (is_boolean) ? "" : name, ICON_NONE); col = uiLayoutColumn(split, FALSE); } else { col = NULL; } /* may meed to add more cases here. * don't override enum flag names */ /* name is shown above, empty name for button below */ name = (flag & PROP_ENUM_FLAG || is_boolean) ? NULL : ""; } else { col = layout; name = NULL; /* no smart label alignment, show default name with button */ } uiItemFullR(col, ptr, prop, -1, 0, 0, name, ICON_NONE); tot++; }
static int py_to_array(PyObject *seq, PointerRNA *ptr, PropertyRNA *prop, char *param_data, ItemTypeCheckFunc check_item_type, const char *item_type_str, int item_size, ItemConvertFunc convert_item, RNA_SetArrayFunc rna_set_array, const char *error_prefix) { /*int totdim, dim_size[MAX_ARRAY_DIMENSION];*/ int totitem; char *data = NULL; /*totdim = RNA_property_array_dimension(ptr, prop, dim_size);*/ /*UNUSED*/ if (validate_array(seq, ptr, prop, 0, check_item_type, item_type_str, &totitem, error_prefix) == -1) { return -1; } if (totitem) { /* note: this code is confusing */ if (param_data && RNA_property_flag(prop) & PROP_DYNAMIC) { /* not freeing allocated mem, RNA_parameter_list_free() will do this */ ParameterDynAlloc *param_alloc = (ParameterDynAlloc *)param_data; param_alloc->array_tot = (int)totitem; param_alloc->array = MEM_callocN(item_size * totitem, "py_to_array dyn"); /* freeing param list will free */ data = param_alloc->array; } else if (param_data) { data = param_data; } else { data = PyMem_MALLOC(item_size * totitem); } /* will only fail in very rare cases since we already validated the * python data, the check here is mainly for completeness. */ if (copy_values(seq, ptr, prop, 0, data, item_size, NULL, convert_item, NULL) != NULL) { if (param_data == NULL) { /* NULL can only pass through in case RNA property arraylength is 0 (impossible?) */ rna_set_array(ptr, prop, data); PyMem_FREE(data); } } else { if (param_data == NULL) { PyMem_FREE(data); } PyErr_Format(PyExc_TypeError, "%s internal error parsing sequence of type '%s' after successful validation", error_prefix, Py_TYPE(seq)->tp_name); return -1; } } return 0; }
static EnumPropertyItem *bpy_props_enum_itemf(struct bContext *C, PointerRNA *ptr, PropertyRNA *prop, int *free) { PyGILState_STATE gilstate; PyObject *py_func= RNA_property_enum_py_data_get(prop); PyObject *self= NULL; PyObject *args; PyObject *items; /* returned from the function call */ EnumPropertyItem *eitems= NULL; int err= 0; bpy_context_set(C, &gilstate); args= PyTuple_New(2); self= pyrna_struct_as_instance(ptr); PyTuple_SET_ITEM(args, 0, self); /* now get the context */ PyTuple_SET_ITEM(args, 1, (PyObject *)bpy_context_module); Py_INCREF(bpy_context_module); items= PyObject_CallObject(py_func, args); Py_DECREF(args); if(items==NULL) { err= -1; } else { PyObject *items_fast; int defvalue_dummy=0; if(!(items_fast= PySequence_Fast(items, "EnumProperty(...): return value from the callback was not a sequence"))) { err= -1; } else { eitems= enum_items_from_py(items_fast, NULL, &defvalue_dummy, (RNA_property_flag(prop) & PROP_ENUM_FLAG)!=0); Py_DECREF(items_fast); if(!eitems) { err= -1; } } Py_DECREF(items); } if(err != -1) { /* worked */ *free= 1; } else { printf_func_error(py_func); eitems= DummyRNA_NULL_items; } bpy_context_clear(C, &gilstate); return eitems; }
uiBut *uiDefAutoButR(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int index, const char *name, int icon, int x1, int y1, int x2, int y2) { uiBut *but = NULL; switch (RNA_property_type(prop)) { case PROP_BOOLEAN: { int arraylen = RNA_property_array_length(ptr, prop); if (arraylen && index == -1) return NULL; if (icon && name && name[0] == '\0') but = uiDefIconButR_prop(block, UI_BTYPE_ICON_TOGGLE, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else if (icon) but = uiDefIconTextButR_prop(block, UI_BTYPE_ICON_TOGGLE, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else but = uiDefButR_prop(block, UI_BTYPE_CHECKBOX, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); break; } case PROP_INT: case PROP_FLOAT: { int arraylen = RNA_property_array_length(ptr, prop); if (arraylen && index == -1) { if (ELEM(RNA_property_subtype(prop), PROP_COLOR, PROP_COLOR_GAMMA)) { but = uiDefButR_prop(block, UI_BTYPE_COLOR, 0, name, x1, y1, x2, y2, ptr, prop, -1, 0, 0, -1, -1, NULL); } else { return NULL; } } else if (RNA_property_subtype(prop) == PROP_PERCENTAGE || RNA_property_subtype(prop) == PROP_FACTOR) but = uiDefButR_prop(block, UI_BTYPE_NUM_SLIDER, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else but = uiDefButR_prop(block, UI_BTYPE_NUM, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); if (RNA_property_flag(prop) & PROP_TEXTEDIT_UPDATE) { UI_but_flag_enable(but, UI_BUT_TEXTEDIT_UPDATE); } break; } case PROP_ENUM: if (icon && name && name[0] == '\0') but = uiDefIconButR_prop(block, UI_BTYPE_MENU, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else if (icon) but = uiDefIconTextButR_prop(block, UI_BTYPE_MENU, 0, icon, NULL, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else but = uiDefButR_prop(block, UI_BTYPE_MENU, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); break; case PROP_STRING: if (icon && name && name[0] == '\0') but = uiDefIconButR_prop(block, UI_BTYPE_TEXT, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else if (icon) but = uiDefIconTextButR_prop(block, UI_BTYPE_TEXT, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); else but = uiDefButR_prop(block, UI_BTYPE_TEXT, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); PropertySubType subtype = RNA_property_subtype(prop); if (!(ELEM(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME) || (block->flag & UI_BLOCK_LIST_ITEM))) { UI_but_flag_enable(but, UI_BUT_VALUE_CLEAR); } if (RNA_property_flag(prop) & PROP_TEXTEDIT_UPDATE) { UI_but_flag_enable(but, UI_BUT_TEXTEDIT_UPDATE); } break; case PROP_POINTER: { PointerRNA pptr; pptr = RNA_property_pointer_get(ptr, prop); if (!pptr.type) pptr.type = RNA_property_pointer_type(ptr, prop); icon = RNA_struct_ui_icon(pptr.type); if (icon == ICON_DOT) icon = 0; but = uiDefIconTextButR_prop(block, UI_BTYPE_SEARCH_MENU, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL); break; } case PROP_COLLECTION: { char text[256]; BLI_snprintf(text, sizeof(text), IFACE_("%d items"), RNA_property_collection_length(ptr, prop)); but = uiDefBut(block, UI_BTYPE_LABEL, 0, text, x1, y1, x2, y2, NULL, 0, 0, 0, 0, NULL); UI_but_flag_enable(but, UI_BUT_DISABLED); break; } default: but = NULL; break; } return but; }
/* Modifies property array length if needed and PROP_DYNAMIC flag is set. */ static int validate_array_length(PyObject *rvalue, PointerRNA *ptr, PropertyRNA *prop, int lvalue_dim, int *totitem, const char *error_prefix) { int dimsize[MAX_ARRAY_DIMENSION]; int tot, totdim, len; totdim = RNA_property_array_dimension(ptr, prop, dimsize); tot = count_items(rvalue, totdim - lvalue_dim); if (tot == -1) { PyErr_Format(PyExc_ValueError, "%s %.200s.%.200s, error validating the sequence length", error_prefix, RNA_struct_identifier(ptr->type), RNA_property_identifier(prop)); return -1; } else if ((RNA_property_flag(prop) & PROP_DYNAMIC) && lvalue_dim == 0) { if (RNA_property_array_length(ptr, prop) != tot) { #if 0 /* length is flexible */ if (!RNA_property_dynamic_array_set_length(ptr, prop, tot)) { /* BLI_snprintf(error_str, error_str_size, * "%s.%s: array length cannot be changed to %d", * RNA_struct_identifier(ptr->type), RNA_property_identifier(prop), tot); */ PyErr_Format(PyExc_ValueError, "%s %s.%s: array length cannot be changed to %d", error_prefix, RNA_struct_identifier(ptr->type), RNA_property_identifier(prop), tot); return -1; } #else *totitem = tot; return 0; #endif } len = tot; } else { /* length is a constraint */ if (!lvalue_dim) { len = RNA_property_array_length(ptr, prop); } /* array item assignment */ else { int i; len = 1; /* arr[3][4][5] * * arr[2] = x * dimsize = {4, 5} * dimsize[1] = 4 * dimsize[2] = 5 * lvalue_dim = 0, totdim = 3 * * arr[2][3] = x * lvalue_dim = 1 * * arr[2][3][4] = x * lvalue_dim = 2 */ for (i = lvalue_dim; i < totdim; i++) len *= dimsize[i]; } if (tot != len) { /* BLI_snprintf(error_str, error_str_size, "sequence must have length of %d", len); */ PyErr_Format(PyExc_ValueError, "%s %.200s.%.200s, sequence must have %d items total, not %d", error_prefix, RNA_struct_identifier(ptr->type), RNA_property_identifier(prop), len, tot); return -1; } } *totitem = len; return 0; }