forked from AuroraMiddleware/gtk
814c88fbc1
Compares every element as equal. This is useful when sorters are in an invalid configuration.
151 lines
3.3 KiB
C
151 lines
3.3 KiB
C
/*
|
|
* 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);
|
|
}
|
|
|