zdoom-macos-deps/deps/instpatch/include/libinstpatch-2/libinstpatch/IpatchRange.h
2020-12-12 13:44:13 +02:00

93 lines
3.2 KiB
C

/*
* libInstPatch
* Copyright (C) 1999-2014 Element Green <element@elementsofsound.org>
*
* This program 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; version 2.1
* of the License only.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA or on the web at http://www.gnu.org.
*/
#ifndef __IPATCH_RANGE_H__
#define __IPATCH_RANGE_H__
#include <glib.h>
#include <glib-object.h>
typedef struct _IpatchRange IpatchRange;
typedef struct _IpatchParamSpecRange IpatchParamSpecRange;
#define IPATCH_TYPE_RANGE (ipatch_range_get_type ())
#define IPATCH_VALUE_HOLDS_RANGE(value) \
(G_TYPE_CHECK_VALUE_TYPE ((value), IPATCH_TYPE_RANGE))
/* integer range structure */
struct _IpatchRange
{
int low; /* low endpoint of range or -1 if undefined */
int high; /* high endpoint of range or -1 if undefined */
};
/* set range value making sure that are in the correct order */
#define IPATCH_RANGE_SET_VALUES(range, val1, val2) G_STMT_START { \
if (val1 <= val2) \
{ \
range.low = val1; \
range.high = val2; \
} \
else \
{ \
range.low = val2; \
range.high = val1; \
} \
} G_STMT_END
/* set a range value to a NULL range (an undefined value) */
#define IPATCH_RANGE_SET_NULL(range) G_STMT_START { \
range.low = range.high = -1; \
} G_STMT_END
GType ipatch_range_get_type(void);
IpatchRange *ipatch_range_new(int low, int high);
IpatchRange *ipatch_range_copy(IpatchRange *range);
void ipatch_range_free(IpatchRange *range);
void ipatch_value_set_range(GValue *value, const IpatchRange *range);
void ipatch_value_set_static_range(GValue *value, IpatchRange *range);
IpatchRange *ipatch_value_get_range(const GValue *value);
/* range parameter specification */
#define IPATCH_TYPE_PARAM_RANGE (ipatch_param_spec_range_get_type ())
#define IPATCH_IS_PARAM_SPEC_RANGE(pspec) \
(G_TYPE_CHECK_INSTANCE_TYPE ((pspec), IPATCH_TYPE_PARAM_RANGE))
#define IPATCH_PARAM_SPEC_RANGE(pspec) \
(G_TYPE_CHECK_INSTANCE_CAST ((pspec), IPATCH_TYPE_PARAM_RANGE, \
IpatchParamSpecRange))
/* a parameter specification for the integer range type */
struct _IpatchParamSpecRange
{
GParamSpec parent_instance; /* derived from GParamSpec */
int min, max; /* min and max values for range endpoints */
int default_low, default_high; /* default vals for low and high endpoints */
};
GType ipatch_param_spec_range_get_type(void);
GParamSpec *ipatch_param_spec_range(const char *name, const char *nick,
const char *blurb,
int min, int max,
int default_low, int default_high,
GParamFlags flags);
#endif