1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
25 #ifndef __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__
26 #define __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__
29 #include <gtk/gtkenums.h>
33 /* Cache as many ranges of height-for-width
34 * (or width-for-height) as can be rational
35 * for a said widget to have, if a label can
36 * only wrap to 3 lines, only 3 caches will
37 * ever be allocated for it.
39 #define GTK_SIZE_REQUEST_CACHED_SIZES (5)
48 gint lower_for_size; /* The minimum for_size with the same result */
49 gint upper_for_size; /* The maximum for_size with the same result */
50 CachedSize cached_size;
54 SizeRequest **requests[2];
56 CachedSize cached_size[2];
58 GtkSizeRequestMode request_mode : 3;
59 guint request_mode_valid : 1;
61 guint n_cached_requests : 3;
62 guint last_cached_request : 3;
63 guint cached_size_valid : 1;
67 void _gtk_size_request_cache_init (SizeRequestCache *cache);
68 void _gtk_size_request_cache_free (SizeRequestCache *cache);
70 void _gtk_size_request_cache_clear (SizeRequestCache *cache);
71 void _gtk_size_request_cache_commit (SizeRequestCache *cache,
72 GtkOrientation orientation,
76 gboolean _gtk_size_request_cache_lookup (SizeRequestCache *cache,
77 GtkOrientation orientation,
84 #endif /* __GTK_SIZE_REQUEST_CACHE_PRIVATE_H__ */