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/* BSE - Better Sound Engine -*-mode: c;-*-
* Copyright (C) 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/.
*/
#include <bse/bseplugin.h>
#include <bse/bseprocedure.h>
#include <bse/bsesnet.h>
#include <bse/bsemain.h>
AUTHORS = "Tim Janik <timj@gtk.org>";
LICENSE = "GNU Lesser General Public License";
METHOD (BseSNet, supports-user-synths) {
HELP = "Check whether users may edit synthesis modules of this network";
IN = bse_param_spec_object ("snet", "Synth Net", NULL,
BSE_TYPE_SNET, SFI_PARAM_STANDARD);
OUT = sfi_pspec_bool ("user_synth", "User Synth", NULL,
FALSE, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseSNet *snet = bse_value_get_object (in_values++);
/* check parameters */
if (!BSE_IS_SNET (snet))
return BSE_ERROR_PROC_PARAM_INVAL;
/* set output parameters */
sfi_value_set_bool (out_values++, BSE_SNET_USER_SYNTH (snet));
return BSE_ERROR_NONE;
}
METHOD (BseSNet, can-create-source) {
HELP = "Check whether inserting a new module into a synthesis network is possible";
IN = bse_param_spec_object ("snet", "Synth Net", NULL,
BSE_TYPE_SNET, SFI_PARAM_STANDARD);
IN = sfi_pspec_string ("module_type", "Module Type", NULL,
"", SFI_PARAM_STANDARD);
OUT = bse_param_spec_genum ("error", "Error", NULL,
BSE_TYPE_ERROR_TYPE, 0,
SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseSNet *snet = bse_value_get_object (in_values++);
const gchar *type_name = sfi_value_get_string (in_values++);
GType type = g_type_from_name (type_name);
BseErrorType error = BSE_ERROR_NONE;
/* check parameters */
if (!BSE_IS_SNET (snet))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
if (!BSE_SNET_USER_SYNTH (snet) && !BSE_DBG_EXT)
error = BSE_ERROR_NOT_OWNER;
else if (!g_type_is_a (type, BSE_TYPE_SOURCE) ||
g_type_is_a (type, BSE_TYPE_CONTAINER))
error = BSE_ERROR_SOURCE_TYPE_INVALID;
/* set output parameters */
g_value_set_enum (out_values++, error);
return BSE_ERROR_NONE;
}
METHOD (BseSNet, create-source) {
HELP = "Insert a new module into a synthesis network";
IN = bse_param_spec_object ("snet", "Synth Net", NULL,
BSE_TYPE_SNET, SFI_PARAM_STANDARD);
IN = sfi_pspec_string ("module_type", "Module Type", NULL,
"", SFI_PARAM_STANDARD);
OUT = bse_param_spec_object ("module", "New Module", NULL,
BSE_TYPE_SOURCE, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseContainer *container = bse_value_get_object (in_values++);
const gchar *type_name = sfi_value_get_string (in_values++);
BseItem *child;
BseUndoStack *ustack;
BseErrorType error;
/* check parameters */
if (!BSE_IS_SNET (container))
return BSE_ERROR_PROC_PARAM_INVAL;
if (bse_item_exec (container, "can-create-source", type_name, &error) != 0 ||
error != 0)
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
ustack = bse_item_undo_open (container, "create-source");
child = bse_container_new_child (container, g_type_from_name (type_name), NULL);
bse_item_push_undo_proc (container, "remove-source", child);
bse_item_undo_close (ustack);
/* set output parameters */
bse_value_set_object (out_values++, child);
return BSE_ERROR_NONE;
}
METHOD (BseSNet, remove-source) {
HELP = "Remove an existing module from its synthesis network";
IN = bse_param_spec_object ("snet", "Synth Net", NULL,
BSE_TYPE_SNET, SFI_PARAM_STANDARD);
IN = bse_param_spec_object ("module", "Module", NULL,
BSE_TYPE_SOURCE, SFI_PARAM_STANDARD);
OUT = bse_param_spec_genum ("error", "Error", NULL,
BSE_TYPE_ERROR_TYPE, 0,
SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseSNet *self = bse_value_get_object (in_values++);
BseItem *child = bse_value_get_object (in_values++);
BseErrorType error = BSE_ERROR_NONE;
BseUndoStack *ustack;
/* check parameters */
if (!BSE_IS_SNET (self) || !BSE_IS_SOURCE (child) || child->parent != (BseItem*) self ||
(!BSE_SNET_USER_SYNTH (self) && !BSE_DBG_EXT))
return BSE_ERROR_PROC_PARAM_INVAL;
/* action */
ustack = bse_item_undo_open (self, "remove-child %s", bse_object_debug_name (child));
/* remove object references */
bse_container_uncross_undoable (BSE_CONTAINER (self), child);
/* how to get rid of the item once backed up */
bse_item_push_redo_proc (self, "remove-source", child);
/* remove (without redo queueing) */
bse_container_remove_backedup (BSE_CONTAINER (self), child, ustack);
/* done */
bse_item_undo_close (ustack);
/* set output parameters */
g_value_set_enum (out_values++, error);
return BSE_ERROR_NONE;
}
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