-
- /* First handle caching of the base requests */
- if (for_size < 0)
- {
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- cache->cached_width.minimum_size = minimum_size;
- cache->cached_width.natural_size = natural_size;
- cache->cached_base_width = TRUE;
- }
- else
- {
- cache->cached_height.minimum_size = minimum_size;
- cache->cached_height.natural_size = natural_size;
- cache->cached_base_height = TRUE;
- }
- return;
- }
-
- /* Check if the minimum_size and natural_size is already
- * in the cache and if this result can be used to extend
- * that cache entry
- */
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- cached_sizes = cache->widths;
- n_sizes = cache->cached_widths;
- }
- else
- {
- cached_sizes = cache->heights;
- n_sizes = cache->cached_heights;
- }
-
- for (i = 0; i < n_sizes; i++)
- {
- if (cached_sizes[i]->cached_size.minimum_size == minimum_size &&
- cached_sizes[i]->cached_size.natural_size == natural_size)
- {
- cached_sizes[i]->lower_for_size = MIN (cached_sizes[i]->lower_for_size, for_size);
- cached_sizes[i]->upper_for_size = MAX (cached_sizes[i]->upper_for_size, for_size);
- return;
- }
- }
-
- /* If not found, pull a new size from the cache, the returned size cache
- * will immediately be used to cache the new computed size so we go ahead
- * and increment the last_cached_width/height right away */
- if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
- {
- if (cache->cached_widths < GTK_SIZE_REQUEST_CACHED_SIZES)
- {
- cache->cached_widths++;
- cache->last_cached_width = cache->cached_widths - 1;
- }
- else
- {
- if (++cache->last_cached_width == GTK_SIZE_REQUEST_CACHED_SIZES)
- cache->last_cached_width = 0;
- }
-
- if (!cache->widths)
- cache->widths = g_slice_alloc0 (sizeof (SizeRequest *) * GTK_SIZE_REQUEST_CACHED_SIZES);
-
- if (!cache->widths[cache->last_cached_width])
- cache->widths[cache->last_cached_width] = g_slice_new (SizeRequest);
-
- cache->widths[cache->last_cached_width]->lower_for_size = for_size;
- cache->widths[cache->last_cached_width]->upper_for_size = for_size;
- cache->widths[cache->last_cached_width]->cached_size.minimum_size = minimum_size;
- cache->widths[cache->last_cached_width]->cached_size.natural_size = natural_size;
- }
- else /* GTK_SIZE_GROUP_VERTICAL */
- {
- if (cache->cached_heights < GTK_SIZE_REQUEST_CACHED_SIZES)
- {
- cache->cached_heights++;
- cache->last_cached_height = cache->cached_heights - 1;
- }
- else
- {
- if (++cache->last_cached_height == GTK_SIZE_REQUEST_CACHED_SIZES)
- cache->last_cached_height = 0;
- }
-
- if (!cache->heights)
- cache->heights = g_slice_alloc0 (sizeof (SizeRequest *) * GTK_SIZE_REQUEST_CACHED_SIZES);
-
- if (!cache->heights[cache->last_cached_height])
- cache->heights[cache->last_cached_height] = g_slice_new (SizeRequest);
-
- cache->heights[cache->last_cached_height]->lower_for_size = for_size;
- cache->heights[cache->last_cached_height]->upper_for_size = for_size;
- cache->heights[cache->last_cached_height]->cached_size.minimum_size = minimum_size;
- cache->heights[cache->last_cached_height]->cached_size.natural_size = natural_size;
- }
-}
-
-/* This is the main function that checks for a cached size and
- * possibly queries the widget class to compute the size if it's
- * not cached. If the for_size here is -1, then get_preferred_width()
- * or get_preferred_height() will be used.
- */
-static void
-compute_size_for_orientation (GtkWidget *widget,
- GtkSizeGroupMode orientation,
- gint for_size,
- gint *minimum_size,
- gint *natural_size)
-{
- CachedSize *cached_size;
- gboolean found_in_cache = FALSE;
- gint min_size = 0;
- gint nat_size = 0;
-
- found_in_cache = get_cached_size (widget, orientation, for_size, &cached_size);
-