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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 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/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__
#define __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__
#include <glib.h>
#include <gtk/gtkenums.h>
G_BEGIN_DECLS
/* Cache as many ranges of height-for-width
* (or width-for-height) as can be rational
* for a said widget to have, if a label can
* only wrap to 3 lines, only 3 caches will
* ever be allocated for it.
*/
#define GTK_SIZE_REQUEST_CACHED_SIZES (5)
typedef struct {
gint minimum_size;
gint natural_size;
} CachedSizeX;
typedef struct {
gint minimum_size;
gint natural_size;
gint minimum_baseline;
gint natural_baseline;
} CachedSizeY;
typedef struct
{
gint lower_for_size; /* The minimum for_size with the same result */
gint upper_for_size; /* The maximum for_size with the same result */
CachedSizeX cached_size;
} SizeRequestX;
typedef struct
{
gint lower_for_size; /* The minimum for_size with the same result */
gint upper_for_size; /* The maximum for_size with the same result */
CachedSizeY cached_size;
} SizeRequestY;
typedef struct {
SizeRequestX **requests_x;
SizeRequestY **requests_y;
CachedSizeX cached_size_x;
CachedSizeY cached_size_y;
GtkSizeRequestMode request_mode : 3;
guint request_mode_valid : 1;
struct {
guint n_cached_requests : 3;
guint last_cached_request : 3;
guint cached_size_valid : 1;
} flags[2];
} SizeRequestCache;
void _gtk_size_request_cache_init (SizeRequestCache *cache);
void _gtk_size_request_cache_free (SizeRequestCache *cache);
void _gtk_size_request_cache_clear (SizeRequestCache *cache);
void _gtk_size_request_cache_commit (SizeRequestCache *cache,
GtkOrientation orientation,
gint for_size,
gint minimum_size,
gint natural_size,
gint minimum_baseline,
gint natural_baseline);
gboolean _gtk_size_request_cache_lookup (SizeRequestCache *cache,
GtkOrientation orientation,
gint for_size,
gint *minimum,
gint *natural,
gint *minimum_baseline,
gint *natural_baseline);
G_END_DECLS
#endif /* __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__ */
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