void
gimp_procedure_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *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);
GIMP_PROCEDURE_GET_CLASS (procedure)->execute_async (procedure, gimp,
context, progress,
args, display);
g_object_unref (context);
}
}
static void
gimp_procedure_real_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GimpObject *display)
{
GValueArray *return_vals;
GError *error = NULL;
g_return_if_fail (args->n_values >= procedure->num_args);
return_vals = GIMP_PROCEDURE_GET_CLASS (procedure)->execute (procedure,
gimp,
context,
progress,
args,
&error);
g_value_array_free (return_vals);
if (error)
{
gimp_message_literal (gimp, G_OBJECT (progress), GIMP_MESSAGE_ERROR,
error->message);
g_error_free (error);
}
}
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);
}
GValueArray *
gimp_procedure_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GError **error)
{
GValueArray *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);
/* call the procedure */
return_vals = GIMP_PROCEDURE_GET_CLASS (procedure)->execute (procedure,
gimp,
context,
progress,
args,
error);
g_object_unref (context);
if (return_vals)
{
switch (g_value_get_enum (&return_vals->values[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)
{
if (return_vals->n_values > 1 &&
G_VALUE_HOLDS_STRING (&return_vals->values[1]))
{
g_set_error_literal (error, GIMP_PDB_ERROR, GIMP_PDB_FAILED,
g_value_get_string (&return_vals->values[1]));
}
}
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_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;
}
