ETreeSimple

#define E_TREE_SIMPLE_TYPE        (e_tree_simple_get_type ())

typedef struct {
	ETreeModel parent;

	/* Table methods */
	ETableSimpleColumnCountFn     col_count;
	ETableSimpleDuplicateValueFn  duplicate_value;
	ETableSimpleFreeValueFn       free_value;
	ETableSimpleInitializeValueFn initialize_value;
	ETableSimpleValueIsEmptyFn    value_is_empty;
	ETableSimpleValueToStringFn   value_to_string;

	/* Tree methods */
	ETreeSimpleIconAtFn icon_at;
	ETreeSimpleValueAtFn value_at;
	ETreeSimpleSetValueAtFn set_value_at;
	ETreeSimpleIsEditableFn is_editable;

	gpointer model_data;
} ETreeSimple;

GdkPixbuf*  (*ETreeSimpleIconAtFn)          (ETreeModel *etree,
                                             ETreePath *path,
                                             void *model_data);

void*       (*ETreeSimpleValueAtFn)         (ETreeModel *etree,
                                             ETreePath *path,
                                             int col,
                                             void *model_data);

void        (*ETreeSimpleSetValueAtFn)      (ETreeModel *etree,
                                             ETreePath *path,
                                             int col,
                                             const void *val,
                                             void *model_data);

gboolean    (*ETreeSimpleIsEditableFn)      (ETreeModel *etree,
                                             ETreePath *path,
                                             int col,
                                             void *model_data);

ETreeModel* e_tree_simple_new               (ETableSimpleColumnCountFn col_count,
                                             ETableSimpleDuplicateValueFn duplicate_value,
                                             ETableSimpleFreeValueFn free_value,
                                             ETableSimpleInitializeValueFn initialize_value,
                                             ETableSimpleValueIsEmptyFn value_is_empty,
                                             ETableSimpleValueToStringFn value_to_string,
                                             ETreeSimpleIconAtFn icon_at,
                                             ETreeSimpleValueAtFn value_at,
                                             ETreeSimpleSetValueAtFn set_value_at,
                                             ETreeSimpleIsEditableFn is_editable,
                                             gpointer model_data);