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/*
* Copyright © 2020 Benjamin Otte
*
* This library 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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 library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtksortkeysprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkstyleproviderprivate.h"
GtkSortKeys *
gtk_sort_keys_alloc (const GtkSortKeysClass *klass,
gsize size,
gsize key_size,
gsize key_align)
{
GtkSortKeys *self;
g_return_val_if_fail (key_align > 0, NULL);
self = g_slice_alloc0 (size);
self->klass = klass;
self->ref_count = 1;
self->key_size = key_size;
self->key_align = key_align;
return self;
}
GtkSortKeys *
gtk_sort_keys_ref (GtkSortKeys *self)
{
self->ref_count += 1;
return self;
}
void
gtk_sort_keys_unref (GtkSortKeys *self)
{
self->ref_count -= 1;
if (self->ref_count > 0)
return;
self->klass->free (self);
}
gsize
gtk_sort_keys_get_key_size (GtkSortKeys *self)
{
return self->key_size;
}
gsize
gtk_sort_keys_get_key_align (GtkSortKeys *self)
{
return self->key_align;
}
GCompareDataFunc
gtk_sort_keys_get_key_compare_func (GtkSortKeys *self)
{
return self->klass->key_compare;
}
gboolean
gtk_sort_keys_is_compatible (GtkSortKeys *self,
GtkSortKeys *other)
{
if (self == other)
return TRUE;
return self->klass->is_compatible (self, other);
}
gboolean
gtk_sort_keys_needs_clear_key (GtkSortKeys *self)
{
return self->klass->clear_key != NULL;
}
static void
gtk_equal_sort_keys_free (GtkSortKeys *keys)
{
g_slice_free (GtkSortKeys, keys);
}
static int
gtk_equal_sort_keys_compare (gconstpointer a,
gconstpointer b,
gpointer unused)
{
return GTK_ORDERING_EQUAL;
}
static gboolean
gtk_equal_sort_keys_is_compatible (GtkSortKeys *keys,
GtkSortKeys *other)
{
return keys->klass == other->klass;
}
static void
gtk_equal_sort_keys_init_key (GtkSortKeys *keys,
gpointer item,
gpointer key_memory)
{
}
static const GtkSortKeysClass GTK_EQUAL_SORT_KEYS_CLASS =
{
gtk_equal_sort_keys_free,
gtk_equal_sort_keys_compare,
gtk_equal_sort_keys_is_compatible,
gtk_equal_sort_keys_init_key,
NULL
};
/*<private>
* gtk_sort_keys_new_equal:
*
* Creates a new GtkSortKeys that compares every element as equal.
* This is useful when sorters are in an invalid configuration.
*
* Returns: a new GtkSortKeys
**/
GtkSortKeys *
gtk_sort_keys_new_equal (void)
{
return gtk_sort_keys_new (GtkSortKeys,
>K_EQUAL_SORT_KEYS_CLASS,
0, 1);
}
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