forked from AuroraMiddleware/gtk
98 lines
4.0 KiB
C
98 lines
4.0 KiB
C
/*
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* Copyright © 2020 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GTK_SORT_KEYS_PRIVATE_H__
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#define __GTK_SORT_KEYS_PRIVATE_H__
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#include <gdk/gdk.h>
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#include <gtk/gtkenums.h>
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#include <gtk/gtksorter.h>
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typedef struct _GtkSortKeys GtkSortKeys;
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typedef struct _GtkSortKeysClass GtkSortKeysClass;
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struct _GtkSortKeys
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{
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const GtkSortKeysClass *klass;
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int ref_count;
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gsize key_size;
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gsize key_align; /* must be power of 2 */
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};
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struct _GtkSortKeysClass
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{
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void (* free) (GtkSortKeys *self);
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GCompareDataFunc key_compare;
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gboolean (* is_compatible) (GtkSortKeys *self,
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GtkSortKeys *other);
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void (* init_key) (GtkSortKeys *self,
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gpointer item,
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gpointer key_memory);
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void (* clear_key) (GtkSortKeys *self,
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gpointer key_memory);
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};
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GtkSortKeys * gtk_sort_keys_alloc (const GtkSortKeysClass *klass,
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gsize size,
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gsize key_size,
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gsize key_align);
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#define gtk_sort_keys_new(_name, _klass, _key_size, _key_align) \
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((_name *) gtk_sort_keys_alloc ((_klass), sizeof (_name), (_key_size), (_key_align)))
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GtkSortKeys * gtk_sort_keys_ref (GtkSortKeys *self);
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void gtk_sort_keys_unref (GtkSortKeys *self);
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GtkSortKeys * gtk_sort_keys_new_equal (void);
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gsize gtk_sort_keys_get_key_size (GtkSortKeys *self);
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gsize gtk_sort_keys_get_key_align (GtkSortKeys *self);
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GCompareDataFunc gtk_sort_keys_get_key_compare_func (GtkSortKeys *self);
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gboolean gtk_sort_keys_is_compatible (GtkSortKeys *self,
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GtkSortKeys *other);
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gboolean gtk_sort_keys_needs_clear_key (GtkSortKeys *self);
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#define GTK_SORT_KEYS_ALIGN(_size,_align) (((_size) + (_align) - 1) & ~((_align) - 1))
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static inline int
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gtk_sort_keys_compare (GtkSortKeys *self,
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gconstpointer a,
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gconstpointer b)
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{
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return self->klass->key_compare (a, b, self);
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}
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static inline void
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gtk_sort_keys_init_key (GtkSortKeys *self,
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gpointer item,
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gpointer key_memory)
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{
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self->klass->init_key (self, item, key_memory);
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}
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static inline void
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gtk_sort_keys_clear_key (GtkSortKeys *self,
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gpointer key_memory)
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{
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if (self->klass->clear_key)
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self->klass->clear_key (self, key_memory);
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}
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#endif /* __GTK_SORT_KEYS_PRIVATE_H__ */
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