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/*
* Copyright (C) 2001-2004 Michael H. Schimek
* Copyright (C) 2000-2003 Iaki Garca Etxebarria
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: control.c,v 1.2 2005/07/04 21:56:41 mschimek Exp $ */
#include <stdlib.h> /* malloc() */
#include "misc.h"
#include "control.h"
tv_bool
tv_control_copy (tv_control * dst,
const tv_control * src)
{
assert (NULL != dst);
if (dst == src) {
return TRUE;
}
CLEAR (*dst);
if (!src) {
return TRUE;
}
if (!(dst->label = strdup (src->label))) {
return FALSE;
}
dst->hash = src->hash;
dst->type = src->type;
dst->id = src->id;
if (TV_CONTROL_TYPE_CHOICE == src->type) {
unsigned int i;
dst->menu = malloc ((src->maximum + 2) * sizeof (*dst->menu));
if (!dst->menu) {
tv_control_destroy (dst);
return FALSE;
}
for (i = 0; i <= (unsigned int) src->maximum; ++i) {
assert (NULL != src->menu[i]);
dst->menu[i] = strdup (src->menu[i]);
if (!dst->menu[i]) {
tv_control_destroy (dst);
return FALSE;
}
}
dst->menu[i] = NULL;
}
dst->minimum = src->minimum;
dst->maximum = src->maximum;
dst->step = src->step;
dst->reset = src->reset;
dst->value = src->value;
return TRUE;
}
tv_control *
tv_control_dup (const tv_control * c)
{
tv_control *nc;
if (!(nc = malloc (sizeof (*nc)))) {
return NULL;
}
CLEAR (*nc);
if (!tv_control_copy (nc, c)) {
free (nc);
nc = NULL;
}
return nc;
}
void
tv_control_destroy (tv_control * c)
{
assert (NULL != c);
tv_callback_delete_all (c->_callback,
/* notify: any */ NULL,
/* destroy: any */ NULL,
/* user_data: any */ NULL,
/* object */ c);
if (c->menu) {
unsigned int i;
for (i = 0; c->menu[i]; ++i) {
free (c->menu[i]);
}
free (c->menu);
}
if (c->label)
free (c->label);
CLEAR (*c);
}
void
tv_control_delete (tv_control * c)
{
if (c) {
tv_control_destroy (c);
free (c);
}
}
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