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/* BSE - Better Sound Engine
* Copyright (C) 1998-1999, 2000-2003 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* A copy of the GNU Lesser General Public License should ship along
* with this library; if not, see http://www.gnu.org/copyleft/.
*
* bsecontainer.h: base type to manage BSE items
*/
#ifndef __BSE_CONTAINER_H__
#define __BSE_CONTAINER_H__
#include <bse/bsesource.h>
G_BEGIN_DECLS
/* --- object type macros --- */
#define BSE_TYPE_CONTAINER (BSE_TYPE_ID (BseContainer))
#define BSE_CONTAINER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), BSE_TYPE_CONTAINER, BseContainer))
#define BSE_CONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), BSE_TYPE_CONTAINER, BseContainerClass))
#define BSE_IS_CONTAINER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), BSE_TYPE_CONTAINER))
#define BSE_IS_CONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), BSE_TYPE_CONTAINER))
#define BSE_CONTAINER_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), BSE_TYPE_CONTAINER, BseContainerClass))
#define BSE_CONTAINER_FLAGS_USHIFT (BSE_SOURCE_FLAGS_USHIFT + 0)
/* --- BseContainer object --- */
typedef gboolean (*BseForallItemsFunc) (BseItem *item,
gpointer data);
typedef gboolean (*BseForallCrossFunc) (BseItem *owner,
BseItem *link,
gpointer data);
struct _BseContainer
{
BseSource parent_instance;
guint n_items; /* paranoid checks */
};
struct _BseContainerClass
{
BseSourceClass parent_class;
void (*add_item) (BseContainer *container,
BseItem *item);
void (*remove_item) (BseContainer *container,
BseItem *item);
void (*forall_items) (BseContainer *container,
BseForallItemsFunc func,
gpointer data);
gboolean (*check_restore) (BseContainer *container,
const gchar *child_type);
BseItem* (*retrieve_child) (BseContainer *container,
GType child_type,
const gchar *uname);
GSList* (*context_children) (BseContainer *container);
void (*release_children) (BseContainer *container);
};
/* --- prototypes --- */
void bse_container_forall_items (BseContainer *container,
BseForallItemsFunc func,
gpointer data);
BseItemSeq* bse_container_list_children (BseContainer *container);
guint bse_container_get_item_seqid (BseContainer *container,
BseItem *item);
BseItem* bse_container_get_item (BseContainer *container,
GType item_type,
guint seq_id);
void bse_container_store_children (BseContainer *container,
BseStorage *storage);
BseItem* bse_container_lookup_item (BseContainer *container,
const gchar *uname);
BseItem* bse_container_retrieve_child (BseContainer *container,
const gchar *type_uname);
BseItem* bse_container_resolve_upath (BseContainer *container,
const gchar *upath);
gchar* /*fr*/ bse_container_make_upath (BseContainer *container,
BseItem *item);
gboolean bse_container_check_restore (BseContainer *container,
const gchar *child_type);
/* non-undo functions */
gpointer bse_container_new_child_bname (BseContainer *container,
GType child_type,
const gchar *base_name,
const gchar *first_param_name,
...);
#define bse_container_new_child( container, child_type, ...) \
bse_container_new_child_bname( container, child_type, NULL, __VA_ARGS__)
void bse_container_add_item (BseContainer *container,
BseItem *item);
void bse_container_remove_item (BseContainer *container,
BseItem *item);
/* undo+redo functions or undo-only (backup) functions */
void bse_container_uncross_undoable (BseContainer *container,
BseItem *child);
void bse_container_remove_backedup (BseContainer *container,
BseItem *child,
BseUndoStack *ustack);
/* --- internal functions --- */
void _bse_container_cross_link (BseContainer *container,
BseItem *owner,
BseItem *link,
BseItemUncross uncross_func);
void _bse_container_cross_unlink (BseContainer *container,
BseItem *owner,
BseItem *link,
BseItemUncross uncross);
void _bse_container_uncross (BseContainer *container,
BseItem *owner,
BseItem *link);
void bse_container_debug_tree (BseContainer *container);
G_END_DECLS
#endif /* __BSE_CONTAINER_H__ */
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