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gimp/app/pdb/gimpprocedure.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdarg.h>
#include <sys/types.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "pdb-types.h"
#include "core/gimp.h"
#include "core/gimp-memsize.h"
#include "core/gimpchannel.h"
#include "core/gimplayer.h"
#include "core/gimpparamspecs.h"
#include "core/gimpprogress.h"
#include "vectors/gimpvectors.h"
#include "gimppdbcontext.h"
#include "gimppdberror.h"
#include "gimpprocedure.h"
#include "gimp-intl.h"
static void gimp_procedure_finalize (GObject *object);
static gint64 gimp_procedure_get_memsize (GimpObject *object,
gint64 *gui_size);
static const gchar * gimp_procedure_real_get_label (GimpProcedure *procedure);
static const gchar * gimp_procedure_real_get_menu_label (GimpProcedure *procedure);
static const gchar * gimp_procedure_real_get_blurb (GimpProcedure *procedure);
static const gchar * gimp_procedure_real_get_help_id (GimpProcedure *procedure);
static gboolean gimp_procedure_real_get_sensitive (GimpProcedure *procedure,
GimpObject *object);
static GimpValueArray * gimp_procedure_real_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GError **error);
static void gimp_procedure_real_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GimpObject *display);
static void gimp_procedure_free_strings (GimpProcedure *procedure);
static gboolean gimp_procedure_validate_args (GimpProcedure *procedure,
GParamSpec **param_specs,
gint n_param_specs,
GimpValueArray *args,
gboolean return_vals,
GError **error);
G_DEFINE_TYPE (GimpProcedure, gimp_procedure, GIMP_TYPE_VIEWABLE)
#define parent_class gimp_procedure_parent_class
static void
gimp_procedure_class_init (GimpProcedureClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
object_class->finalize = gimp_procedure_finalize;
gimp_object_class->get_memsize = gimp_procedure_get_memsize;
klass->get_label = gimp_procedure_real_get_label;
klass->get_menu_label = gimp_procedure_real_get_menu_label;
klass->get_blurb = gimp_procedure_real_get_blurb;
klass->get_help_id = gimp_procedure_real_get_help_id;
klass->get_sensitive = gimp_procedure_real_get_sensitive;
klass->execute = gimp_procedure_real_execute;
klass->execute_async = gimp_procedure_real_execute_async;
}
static void
gimp_procedure_init (GimpProcedure *procedure)
{
procedure->proc_type = GIMP_INTERNAL;
}
static void
gimp_procedure_finalize (GObject *object)
{
GimpProcedure *procedure = GIMP_PROCEDURE (object);
gint i;
gimp_procedure_free_strings (procedure);
if (procedure->args)
{
for (i = 0; i < procedure->num_args; i++)
g_param_spec_unref (procedure->args[i]);
g_free (procedure->args);
procedure->args = NULL;
}
if (procedure->values)
{
for (i = 0; i < procedure->num_values; i++)
g_param_spec_unref (procedure->values[i]);
g_free (procedure->values);
procedure->values = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint64
gimp_procedure_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpProcedure *procedure = GIMP_PROCEDURE (object);
gint64 memsize = 0;
gint i;
if (! procedure->static_strings)
{
memsize += gimp_string_get_memsize (procedure->original_name);
memsize += gimp_string_get_memsize (procedure->blurb);
memsize += gimp_string_get_memsize (procedure->help);
memsize += gimp_string_get_memsize (procedure->author);
memsize += gimp_string_get_memsize (procedure->copyright);
memsize += gimp_string_get_memsize (procedure->date);
memsize += gimp_string_get_memsize (procedure->deprecated);
}
memsize += procedure->num_args * sizeof (GParamSpec *);
for (i = 0; i < procedure->num_args; i++)
memsize += gimp_g_param_spec_get_memsize (procedure->args[i]);
memsize += procedure->num_values * sizeof (GParamSpec *);
for (i = 0; i < procedure->num_values; i++)
memsize += gimp_g_param_spec_get_memsize (procedure->values[i]);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static const gchar *
gimp_procedure_real_get_label (GimpProcedure *procedure)
{
return gimp_object_get_name (procedure); /* lame fallback */
}
static const gchar *
gimp_procedure_real_get_menu_label (GimpProcedure *procedure)
{
return gimp_procedure_get_label (procedure);
}
static const gchar *
gimp_procedure_real_get_blurb (GimpProcedure *procedure)
{
return procedure->blurb;
}
static const gchar *
gimp_procedure_real_get_help_id (GimpProcedure *procedure)
{
return NULL;
}
static gboolean
gimp_procedure_real_get_sensitive (GimpProcedure *procedure,
GimpObject *object)
{
return TRUE /* random fallback */;
}
static GimpValueArray *
gimp_procedure_real_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GError **error)
{
g_return_val_if_fail (gimp_value_array_length (args) >=
procedure->num_args, NULL);
return procedure->marshal_func (procedure, gimp,
context, progress,
args, error);
}
static void
gimp_procedure_real_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GimpObject *display)
{
GimpValueArray *return_vals;
GError *error = NULL;
g_return_if_fail (gimp_value_array_length (args) >= procedure->num_args);
return_vals = GIMP_PROCEDURE_GET_CLASS (procedure)->execute (procedure,
gimp,
context,
progress,
args,
&error);
gimp_value_array_unref (return_vals);
if (error)
{
gimp_message_literal (gimp, G_OBJECT (progress), GIMP_MESSAGE_ERROR,
error->message);
g_error_free (error);
}
}
/* public functions */
GimpProcedure *
gimp_procedure_new (GimpMarshalFunc marshal_func)
{
GimpProcedure *procedure;
g_return_val_if_fail (marshal_func != NULL, NULL);
procedure = g_object_new (GIMP_TYPE_PROCEDURE, NULL);
procedure->marshal_func = marshal_func;
return procedure;
}
void
gimp_procedure_set_strings (GimpProcedure *procedure,
const gchar *original_name,
const gchar *blurb,
const gchar *help,
const gchar *author,
const gchar *copyright,
const gchar *date,
const gchar *deprecated)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
gimp_procedure_free_strings (procedure);
procedure->original_name = g_strdup (original_name);
procedure->blurb = g_strdup (blurb);
procedure->help = g_strdup (help);
procedure->author = g_strdup (author);
procedure->copyright = g_strdup (copyright);
procedure->date = g_strdup (date);
procedure->deprecated = g_strdup (deprecated);
procedure->static_strings = FALSE;
}
void
gimp_procedure_set_static_strings (GimpProcedure *procedure,
const gchar *original_name,
const gchar *blurb,
const gchar *help,
const gchar *author,
const gchar *copyright,
const gchar *date,
const gchar *deprecated)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
gimp_procedure_free_strings (procedure);
procedure->original_name = (gchar *) original_name;
procedure->blurb = (gchar *) blurb;
procedure->help = (gchar *) help;
procedure->author = (gchar *) author;
procedure->copyright = (gchar *) copyright;
procedure->date = (gchar *) date;
procedure->deprecated = (gchar *) deprecated;
procedure->static_strings = TRUE;
}
void
gimp_procedure_take_strings (GimpProcedure *procedure,
gchar *original_name,
gchar *blurb,
gchar *help,
gchar *author,
gchar *copyright,
gchar *date,
gchar *deprecated)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
gimp_procedure_free_strings (procedure);
procedure->original_name = original_name;
procedure->blurb = blurb;
procedure->help = help;
procedure->author = author;
procedure->copyright = copyright;
procedure->date = date;
procedure->deprecated = deprecated;
procedure->static_strings = FALSE;
}
const gchar *
gimp_procedure_get_label (GimpProcedure *procedure)
{
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
return GIMP_PROCEDURE_GET_CLASS (procedure)->get_label (procedure);
}
const gchar *
gimp_procedure_get_menu_label (GimpProcedure *procedure)
{
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
return GIMP_PROCEDURE_GET_CLASS (procedure)->get_menu_label (procedure);
}
const gchar *
gimp_procedure_get_blurb (GimpProcedure *procedure)
{
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
return GIMP_PROCEDURE_GET_CLASS (procedure)->get_blurb (procedure);
}
const gchar *
gimp_procedure_get_help_id (GimpProcedure *procedure)
{
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
return GIMP_PROCEDURE_GET_CLASS (procedure)->get_help_id (procedure);
}
gboolean
gimp_procedure_get_sensitive (GimpProcedure *procedure,
GimpObject *object)
{
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), FALSE);
g_return_val_if_fail (object == NULL || GIMP_IS_OBJECT (object), FALSE);
return GIMP_PROCEDURE_GET_CLASS (procedure)->get_sensitive (procedure,
object);
}
GimpValueArray *
gimp_procedure_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GError **error)
{
GimpValueArray *return_vals;
GError *pdb_error = NULL;
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (args != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (! gimp_procedure_validate_args (procedure,
procedure->args, procedure->num_args,
args, FALSE, &pdb_error))
{
return_vals = gimp_procedure_get_return_values (procedure, FALSE,
pdb_error);
g_propagate_error (error, pdb_error);
return return_vals;
}
if (GIMP_IS_PDB_CONTEXT (context))
context = g_object_ref (context);
else
context = gimp_pdb_context_new (gimp, context, TRUE);
if (progress)
g_object_ref (progress);
/* call the procedure */
return_vals = GIMP_PROCEDURE_GET_CLASS (procedure)->execute (procedure,
gimp,
context,
progress,
args,
error);
if (progress)
g_object_unref (progress);
g_object_unref (context);
if (return_vals)
{
switch (g_value_get_enum (gimp_value_array_index (return_vals, 0)))
{
case GIMP_PDB_CALLING_ERROR:
case GIMP_PDB_EXECUTION_ERROR:
/* If the error has not already been set, construct one
* from the error message that is optionally passed with
* the return values.
*/
if (error && *error == NULL &&
gimp_value_array_length (return_vals) > 1 &&
G_VALUE_HOLDS_STRING (gimp_value_array_index (return_vals, 1)))
{
GValue *value = gimp_value_array_index (return_vals, 1);
const gchar *message = g_value_get_string (value);
if (message)
g_set_error_literal (error, GIMP_PDB_ERROR,
GIMP_PDB_ERROR_FAILED,
message);
}
break;
default:
break;
}
}
else
{
g_warning ("%s: no return values, shouldn't happen", G_STRFUNC);
pdb_error = g_error_new (GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_RETURN_VALUE,
_("Procedure '%s' returned no return values"),
gimp_object_get_name (procedure));
return_vals = gimp_procedure_get_return_values (procedure, FALSE,
pdb_error);
if (error && *error == NULL)
g_propagate_error (error, pdb_error);
else
g_error_free (pdb_error);
}
return return_vals;
}
void
gimp_procedure_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GimpValueArray *args,
GimpObject *display,
GError **error)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_CONTEXT (context));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (args != NULL);
g_return_if_fail (display == NULL || GIMP_IS_OBJECT (display));
g_return_if_fail (error == NULL || *error == NULL);
if (gimp_procedure_validate_args (procedure,
procedure->args, procedure->num_args,
args, FALSE, error))
{
if (GIMP_IS_PDB_CONTEXT (context))
context = g_object_ref (context);
else
context = gimp_pdb_context_new (gimp, context, TRUE);
if (progress)
g_object_ref (progress);
GIMP_PROCEDURE_GET_CLASS (procedure)->execute_async (procedure, gimp,
context, progress,
args, display);
if (progress)
g_object_unref (progress);
g_object_unref (context);
}
}
GimpValueArray *
gimp_procedure_get_arguments (GimpProcedure *procedure)
{
GimpValueArray *args;
GValue value = G_VALUE_INIT;
gint i;
g_return_val_if_fail (GIMP_IS_PROCEDURE (procedure), NULL);
args = gimp_value_array_new (procedure->num_args);
for (i = 0; i < procedure->num_args; i++)
{
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (procedure->args[i]));
gimp_value_array_append (args, &value);
g_value_unset (&value);
}
return args;
}
GimpValueArray *
gimp_procedure_get_return_values (GimpProcedure *procedure,
gboolean success,
const GError *error)
{
GimpValueArray *args;
GValue value = G_VALUE_INIT;
gint i;
g_return_val_if_fail (success == FALSE || GIMP_IS_PROCEDURE (procedure),
NULL);
if (success)
{
args = gimp_value_array_new (procedure->num_values + 1);
g_value_init (&value, GIMP_TYPE_PDB_STATUS_TYPE);
g_value_set_enum (&value, GIMP_PDB_SUCCESS);
gimp_value_array_append (args, &value);
g_value_unset (&value);
for (i = 0; i < procedure->num_values; i++)
{
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (procedure->values[i]));
gimp_value_array_append (args, &value);
g_value_unset (&value);
}
}
else
{
args = gimp_value_array_new ((error && error->message) ? 2 : 1);
g_value_init (&value, GIMP_TYPE_PDB_STATUS_TYPE);
/* errors in the GIMP_PDB_ERROR domain are calling errors */
if (error && error->domain == GIMP_PDB_ERROR)
{
switch ((GimpPdbErrorCode) error->code)
{
case GIMP_PDB_ERROR_FAILED:
case GIMP_PDB_ERROR_PROCEDURE_NOT_FOUND:
case GIMP_PDB_ERROR_INVALID_ARGUMENT:
case GIMP_PDB_ERROR_INVALID_RETURN_VALUE:
case GIMP_PDB_ERROR_INTERNAL_ERROR:
g_value_set_enum (&value, GIMP_PDB_CALLING_ERROR);
break;
case GIMP_PDB_ERROR_CANCELLED:
g_value_set_enum (&value, GIMP_PDB_CANCEL);
break;
default:
g_assert_not_reached ();
}
}
else
{
g_value_set_enum (&value, GIMP_PDB_EXECUTION_ERROR);
}
gimp_value_array_append (args, &value);
g_value_unset (&value);
if (error && error->message)
{
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, error->message);
gimp_value_array_append (args, &value);
g_value_unset (&value);
}
}
return args;
}
void
gimp_procedure_add_argument (GimpProcedure *procedure,
GParamSpec *pspec)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
procedure->args = g_renew (GParamSpec *, procedure->args,
procedure->num_args + 1);
procedure->args[procedure->num_args] = pspec;
g_param_spec_ref_sink (pspec);
procedure->num_args++;
}
void
gimp_procedure_add_return_value (GimpProcedure *procedure,
GParamSpec *pspec)
{
g_return_if_fail (GIMP_IS_PROCEDURE (procedure));
g_return_if_fail (G_IS_PARAM_SPEC (pspec));
procedure->values = g_renew (GParamSpec *, procedure->values,
procedure->num_values + 1);
procedure->values[procedure->num_values] = pspec;
g_param_spec_ref_sink (pspec);
procedure->num_values++;
}
/**
* gimp_procedure_create_override:
* @procedure:
* @new_marshal_func:
*
* Creates a new GimpProcedure that can be used to override the
* existing @procedure.
*
* Returns: The new #GimpProcedure.
**/
GimpProcedure *
gimp_procedure_create_override (GimpProcedure *procedure,
GimpMarshalFunc new_marshal_func)
{
GimpProcedure *new_procedure = NULL;
const gchar *name = NULL;
int i = 0;
new_procedure = gimp_procedure_new (new_marshal_func);
name = gimp_object_get_name (procedure);
gimp_object_set_static_name (GIMP_OBJECT (new_procedure), name);
for (i = 0; i < procedure->num_args; i++)
gimp_procedure_add_argument (new_procedure, procedure->args[i]);
for (i = 0; i < procedure->num_values; i++)
gimp_procedure_add_return_value (new_procedure, procedure->values[i]);
return new_procedure;
}
gint
gimp_procedure_name_compare (GimpProcedure *proc1,
GimpProcedure *proc2)
{
/* Assume there always is a name, don't bother with NULL checks */
return strcmp (proc1->original_name,
proc2->original_name);
}
/* private functions */
static void
gimp_procedure_free_strings (GimpProcedure *procedure)
{
if (! procedure->static_strings)
{
g_free (procedure->original_name);
g_free (procedure->blurb);
g_free (procedure->help);
g_free (procedure->author);
g_free (procedure->copyright);
g_free (procedure->date);
g_free (procedure->deprecated);
}
procedure->original_name = NULL;
procedure->blurb = NULL;
procedure->help = NULL;
procedure->author = NULL;
procedure->copyright = NULL;
procedure->date = NULL;
procedure->deprecated = NULL;
procedure->static_strings = FALSE;
}
static gboolean
gimp_procedure_validate_args (GimpProcedure *procedure,
GParamSpec **param_specs,
gint n_param_specs,
GimpValueArray *args,
gboolean return_vals,
GError **error)
{
gint i;
for (i = 0; i < MIN (gimp_value_array_length (args), n_param_specs); i++)
{
GValue *arg = gimp_value_array_index (args, i);
GParamSpec *pspec = param_specs[i];
GType arg_type = G_VALUE_TYPE (arg);
GType spec_type = G_PARAM_SPEC_VALUE_TYPE (pspec);
if (arg_type != spec_type)
{
if (return_vals)
{
g_set_error (error,
GIMP_PDB_ERROR, GIMP_PDB_ERROR_INVALID_RETURN_VALUE,
_("Procedure '%s' returned a wrong value type "
"for return value '%s' (#%d). "
"Expected %s, got %s."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec),
i + 1, g_type_name (spec_type),
g_type_name (arg_type));
}
else
{
g_set_error (error,
GIMP_PDB_ERROR, GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Procedure '%s' has been called with a "
"wrong value type for argument '%s' (#%d). "
"Expected %s, got %s."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec),
i + 1, g_type_name (spec_type),
g_type_name (arg_type));
}
return FALSE;
}
else if (! (pspec->flags & GIMP_PARAM_NO_VALIDATE))
{
GValue string_value = G_VALUE_INIT;
g_value_init (&string_value, G_TYPE_STRING);
if (g_value_type_transformable (arg_type, G_TYPE_STRING))
g_value_transform (arg, &string_value);
else
g_value_set_static_string (&string_value,
"<not transformable to string>");
if (g_param_value_validate (pspec, arg))
{
if (GIMP_IS_PARAM_SPEC_DRAWABLE_ID (pspec) &&
g_value_get_int (arg) == -1)
{
if (return_vals)
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_RETURN_VALUE,
_("Procedure '%s' returned an "
"invalid ID for argument '%s'. "
"Most likely a plug-in is trying "
"to work on a layer that doesn't "
"exist any longer."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec));
}
else
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Procedure '%s' has been called with an "
"invalid ID for argument '%s'. "
"Most likely a plug-in is trying "
"to work on a layer that doesn't "
"exist any longer."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec));
}
}
else if (GIMP_IS_PARAM_SPEC_IMAGE_ID (pspec) &&
g_value_get_int (arg) == -1)
{
if (return_vals)
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_RETURN_VALUE,
_("Procedure '%s' returned an "
"invalid ID for argument '%s'. "
"Most likely a plug-in is trying "
"to work on an image that doesn't "
"exist any longer."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec));
}
else
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Procedure '%s' has been called with an "
"invalid ID for argument '%s'. "
"Most likely a plug-in is trying "
"to work on an image that doesn't "
"exist any longer."),
gimp_object_get_name (procedure),
g_param_spec_get_name (pspec));
}
}
else
{
const gchar *value = g_value_get_string (&string_value);
if (value == NULL)
value = "(null)";
if (return_vals)
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_RETURN_VALUE,
_("Procedure '%s' returned "
"'%s' as return value '%s' "
"(#%d, type %s). "
"This value is out of range."),
gimp_object_get_name (procedure),
value,
g_param_spec_get_name (pspec),
i + 1, g_type_name (spec_type));
}
else
{
g_set_error (error,
GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Procedure '%s' has been called with "
"value '%s' for argument '%s' "
"(#%d, type %s). "
"This value is out of range."),
gimp_object_get_name (procedure),
value,
g_param_spec_get_name (pspec),
i + 1, g_type_name (spec_type));
}
}
g_value_unset (&string_value);
return FALSE;
}
g_value_unset (&string_value);
}
}
return TRUE;
}
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