libinstpatch-1.1.6/libinstpatch/IpatchGigDimension.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.
 */
/**
 * SECTION: IpatchGigDimension
 * @short_description: GigaSampler dimension object
 * @see_also: #IpatchGigInst
 * @stability: Stable
 *
 * Defines a GigaSampler dimension object which are the children of
 * #IpatchGigInst objects.
 */
#include <glib.h>
#include <glib-object.h>
#include "IpatchGigDimension.h"
#include "IpatchRange.h"
#include "IpatchTypeProp.h"
#include "ipatch_priv.h"
#include "builtin_enums.h"

enum
{
    PROP_0,

    PROP_NAME,
    PROP_TYPE,
    PROP_SPLIT_COUNT
};

static void ipatch_gig_dimension_class_init(IpatchGigDimensionClass *klass);
static void ipatch_gig_dimension_set_property(GObject *object,
        guint property_id,
        const GValue *value,
        GParamSpec *pspec);
static void ipatch_gig_dimension_get_property(GObject *object,
        guint property_id,
        GValue *value,
        GParamSpec *pspec);

static void ipatch_gig_dimension_init(IpatchGigDimension *gig_dimension);
static void ipatch_gig_dimension_finalize(GObject *gobject);
static void ipatch_gig_dimension_item_copy(IpatchItem *dest, IpatchItem *src,
        IpatchItemCopyLinkFunc link_func,
        gpointer user_data);

static GObjectClass *parent_class = NULL;


GType
ipatch_gig_dimension_get_type(void)
{
    static GType item_type = 0;

    if(!item_type)
    {
        static const GTypeInfo item_info =
        {
            sizeof(IpatchGigDimensionClass), NULL, NULL,
            (GClassInitFunc)ipatch_gig_dimension_class_init, NULL, NULL,
            sizeof(IpatchGigDimension), 0,
            (GInstanceInitFunc)ipatch_gig_dimension_init,
        };

        item_type = g_type_register_static(IPATCH_TYPE_ITEM,
                                           "IpatchGigDimension", &item_info, 0);
    }

    return (item_type);
}

static void
ipatch_gig_dimension_class_init(IpatchGigDimensionClass *klass)
{
    GObjectClass *obj_class = G_OBJECT_CLASS(klass);
    IpatchItemClass *item_class = IPATCH_ITEM_CLASS(klass);

    parent_class = g_type_class_peek_parent(klass);

    obj_class->finalize = ipatch_gig_dimension_finalize;
    obj_class->get_property = ipatch_gig_dimension_get_property;

    item_class->item_set_property = ipatch_gig_dimension_set_property;
    item_class->copy = ipatch_gig_dimension_item_copy;

    /* use parent's mutex (IpatchGigRegion) */
    item_class->mutex_slave = TRUE;

    g_object_class_override_property(obj_class, PROP_NAME, "title");

    g_object_class_install_property(obj_class, PROP_NAME,
                                    g_param_spec_string("name", _("Name"),
                                            _("Dimension name"),
                                            NULL, G_PARAM_READWRITE));
    g_object_class_install_property(obj_class, PROP_TYPE,
                                    g_param_spec_enum("type", _("Type"),
                                            _("Dimension type"),
                                            IPATCH_TYPE_GIG_DIMENSION_TYPE,
                                            IPATCH_GIG_DIMENSION_NONE,
                                            G_PARAM_READWRITE));
    g_object_class_install_property(obj_class, PROP_TYPE,
                                    g_param_spec_int("split-count", _("Split count"),
                                            _("Number of split bits"),
                                            1, 5, 1, G_PARAM_READWRITE));
}

static void
ipatch_gig_dimension_set_property(GObject *object, guint property_id,
                                  const GValue *value, GParamSpec *pspec)
{
    IpatchGigDimension *dimension = IPATCH_GIG_DIMENSION(object);

    switch(property_id)
    {
    case PROP_NAME:
        IPATCH_ITEM_WLOCK(dimension);
        g_free(dimension->name);
        dimension->name = g_value_dup_string(value);
        IPATCH_ITEM_WUNLOCK(dimension);

        /* title property notify */
        ipatch_item_prop_notify((IpatchItem *)dimension, ipatch_item_pspec_title,
                                value, NULL);
        break;

    case PROP_TYPE:
        dimension->type = g_value_get_enum(value);
        break;

    case PROP_SPLIT_COUNT:
        dimension->split_count = g_value_get_int(value);
        break;

    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
        return;
    }
}

static void
ipatch_gig_dimension_get_property(GObject *object, guint property_id,
                                  GValue *value, GParamSpec *pspec)
{
    IpatchGigDimension *dimension = IPATCH_GIG_DIMENSION(object);

    switch(property_id)
    {
    case PROP_NAME:
        IPATCH_ITEM_RLOCK(dimension);
        g_value_set_string(value, dimension->name);
        IPATCH_ITEM_RUNLOCK(dimension);
        break;

    case PROP_TYPE:
        g_value_set_enum(value, dimension->type);
        break;

    case PROP_SPLIT_COUNT:
        g_value_set_int(value, dimension->split_count);
        break;

    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
        break;
    }
}

static void
ipatch_gig_dimension_init(IpatchGigDimension *dimension)
{
}

static void
ipatch_gig_dimension_finalize(GObject *gobject)
{
    IpatchGigDimension *dimension = IPATCH_GIG_DIMENSION(gobject);

    IPATCH_ITEM_WLOCK(dimension);
    g_free(dimension->name);
    dimension->name = NULL;
    IPATCH_ITEM_WUNLOCK(dimension);

    if(parent_class->finalize)
    {
        parent_class->finalize(gobject);
    }
}

static void
ipatch_gig_dimension_item_copy(IpatchItem *dest, IpatchItem *src,
                               IpatchItemCopyLinkFunc link_func,
                               gpointer user_data)
{
    IpatchGigDimension *src_dim, *dest_dim;

    src_dim = IPATCH_GIG_DIMENSION(src);
    dest_dim = IPATCH_GIG_DIMENSION(dest);

    IPATCH_ITEM_RLOCK(src_dim);

    dest_dim->name = g_strdup(src_dim->name);
    dest_dim->type = src_dim->type;
    dest_dim->split_count = src_dim->split_count;
    dest_dim->split_mask = src_dim->split_mask;
    dest_dim->split_shift = src_dim->split_shift;

    IPATCH_ITEM_RUNLOCK(src_dim);
}

/**
 * ipatch_gig_dimension_new:
 *
 * Create a new GigaSampler instrument dimension.
 *
 * Returns: New GigaSampler dimension with a ref count of 1 which the caller
 * owns.
 */
IpatchGigDimension *
ipatch_gig_dimension_new(void)
{
    return (IPATCH_GIG_DIMENSION(g_object_new(IPATCH_TYPE_GIG_DIMENSION, NULL)));
}

/**
 * ipatch_gig_dimension_first: (skip)
 * @iter: Patch item iterator containing #IpatchGigDimension items
 *
 * Gets the first item in a dimension iterator. A convenience
 * wrapper for ipatch_iter_first().
 *
 * Returns: The first dimension in @iter or %NULL if empty.
 */
IpatchGigDimension *
ipatch_gig_dimension_first(IpatchIter *iter)
{
    GObject *obj;
    g_return_val_if_fail(iter != NULL, NULL);

    obj = ipatch_iter_first(iter);

    if(obj)
    {
        return (IPATCH_GIG_DIMENSION(obj));
    }
    else
    {
        return (NULL);
    }
}

/**
 * ipatch_gig_dimension_next: (skip)
 * @iter: Patch item iterator containing #IpatchGigDimension items
 *
 * Gets the next item in a dimension iterator. A convenience wrapper
 * for ipatch_iter_next().
 *
 * Returns: The next dimension in @iter or %NULL if at the end of
 *   the list.
 */
IpatchGigDimension *
ipatch_gig_dimension_next(IpatchIter *iter)
{
    GObject *obj;
    g_return_val_if_fail(iter != NULL, NULL);

    obj = ipatch_iter_next(iter);

    if(obj)
    {
        return (IPATCH_GIG_DIMENSION(obj));
    }
    else
    {
        return (NULL);
    }
}