mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-27 06:00:22 +00:00
Fixed GtkExtendedLayout interaction with sizegroups plus cleanups
Fixed GtkExtendedLayout to interact with sizegroups, "size-requsts" and caching the values all in the same code segment. Migrated the cache code to be internal to gtkextendedlayout.c
This commit is contained in:
Tristan Van Berkom
parent
46fe9c3f00
commit
9247bc8d6d
@ -31,6 +31,28 @@
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#define DEBUG_EXTENDED_LAYOUT 0
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/* With extended layout, a widget may be requested
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* its width for 2 or 3 heights in one resize
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*/
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#define N_CACHED_SIZES 3
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typedef struct
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{
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guint age;
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gint for_size;
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gint minimum_size;
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gint natural_size;
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} DesiredSize;
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typedef struct {
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DesiredSize desired_widths[N_CACHED_SIZES];
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DesiredSize desired_heights[N_CACHED_SIZES];
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guint cached_width_age;
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guint cached_height_age;
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} ExtendedLayoutCache;
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static GQuark quark_cache = 0;
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GType
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gtk_extended_layout_get_type (void)
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@ -45,28 +67,27 @@ gtk_extended_layout_get_type (void)
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NULL, 0, NULL, 0);
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g_type_interface_add_prerequisite (extended_layout_type, GTK_TYPE_WIDGET);
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quark_cache = g_quark_from_static_string ("gtk-extended-layout-cache");
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}
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return extended_layout_type;
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}
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/* looks for a cached size request for this for_size. If not
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* found, returns the oldest entry so it can be overwritten */
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static gboolean
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_gtk_extended_layout_get_cached_desired_size (gfloat for_size,
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GtkDesiredSize *cached_sizes,
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GtkDesiredSize **result)
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get_cached_desired_size (gfloat for_size,
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DesiredSize *cached_sizes,
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DesiredSize **result)
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{
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guint i;
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*result = &cached_sizes[0];
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for (i = 0; i < GTK_N_CACHED_SIZES; i++)
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for (i = 0; i < N_CACHED_SIZES; i++)
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{
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GtkDesiredSize *cs;
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DesiredSize *cs;
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cs = &cached_sizes[i];
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@ -85,6 +106,165 @@ _gtk_extended_layout_get_cached_desired_size (gfloat for_size,
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return FALSE;
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}
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static void
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destroy_cache (ExtendedLayoutCache *cache)
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{
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g_slice_free (ExtendedLayoutCache, cache);
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}
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ExtendedLayoutCache *
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get_cache (GtkExtendedLayout *layout, gboolean create)
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{
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ExtendedLayoutCache *cache;
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cache = g_object_get_qdata (G_OBJECT (layout), quark_cache);
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if (!cache && create)
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{
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cache = g_slice_new0 (ExtendedLayoutCache);
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cache->cached_width_age = 1;
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cache->cached_height_age = 1;
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g_object_set_qdata_full (G_OBJECT (layout), quark_cache, cache,
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(GDestroyNotify)destroy_cache);
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}
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return cache;
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}
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static void
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do_size_request (GtkWidget *widget)
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{
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if (GTK_WIDGET_REQUEST_NEEDED (widget))
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{
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gtk_widget_ensure_style (widget);
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GTK_PRIVATE_UNSET_FLAG (widget, GTK_REQUEST_NEEDED);
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g_signal_emit_by_name (widget,
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"size-request",
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&widget->requisition);
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}
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}
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static void
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compute_size_for_orientation (GtkExtendedLayout *layout,
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GtkSizeGroupMode orientation,
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gint for_size,
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gint *minimum_size,
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gint *natural_size)
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{
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ExtendedLayoutCache *cache;
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DesiredSize *cached_size;
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GtkWidget *widget;
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gboolean found_in_cache = FALSE;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (minimum_size != NULL || natural_size != NULL);
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widget = GTK_WIDGET (layout);
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cache = get_cache (layout, TRUE);
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if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
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{
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cached_size = &cache->desired_widths[0];
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if (GTK_WIDGET_WIDTH_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = get_cached_desired_size (for_size, cache->desired_widths, &cached_size);
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}
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else
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{
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cached_size = &cache->desired_heights[0];
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if (GTK_WIDGET_WIDTH_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = get_cached_desired_size (for_size, cache->desired_heights, &cached_size);
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}
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if (!found_in_cache)
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{
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gint min_size = 0, nat_size = 0;
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gint group_size, requisition_size;
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/* Unconditional size request runs but is often unhandled. */
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do_size_request (widget);
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if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
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{
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requisition_size = widget->requisition.width;
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if (for_size < 0)
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->
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get_desired_width (layout, &min_size, &nat_size);
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else
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->
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get_width_for_height (layout, for_size, &min_size, &nat_size);
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}
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else
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{
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requisition_size = widget->requisition.height;
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if (for_size < 0)
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->
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get_desired_height (layout, &min_size, &nat_size);
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else
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->
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get_height_for_width (layout, for_size, &min_size, &nat_size);
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}
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/* Support for dangling "size-request" signals and forward derived
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* classes that will not default to a ->get_desired_width() that
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* returns the values in the ->requisition cache.
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*/
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min_size = MAX (min_size, requisition_size);
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nat_size = MAX (nat_size, requisition_size);
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cached_size->minimum_size = min_size;
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cached_size->natural_size = nat_size;
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cached_size->for_size = for_size;
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if (orientation == GTK_SIZE_GROUP_HORIZONTAL)
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{
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cached_size->age = cache->cached_width_age;
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cache->cached_width_age++;
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GTK_PRIVATE_UNSET_FLAG (layout, GTK_WIDTH_REQUEST_NEEDED);
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}
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else
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{
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cached_size->age = cache->cached_height_age;
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cache->cached_height_age++;
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GTK_PRIVATE_UNSET_FLAG (layout, GTK_HEIGHT_REQUEST_NEEDED);
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}
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/* Get size groups to compute the base requisition once one of the values have been cached,
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* then go ahead and update the cache with the sizegroup computed value.
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*/
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group_size =
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_gtk_size_group_bump_requisition (GTK_WIDGET (layout),
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orientation, cached_size->minimum_size);
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cached_size->minimum_size = MAX (cached_size->minimum_size, group_size);
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cached_size->natural_size = MAX (cached_size->natural_size, group_size);
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}
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/* Output the MAX()s of the cached size and the size computed by GtkSizeGroup. */
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if (minimum_size)
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*minimum_size = cached_size->minimum_size;
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if (natural_size)
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*natural_size = cached_size->natural_size;
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g_assert (cached_size->minimum_size <= cached_size->natural_size);
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#if DEBUG_EXTENDED_LAYOUT
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g_message ("%s size for orientation %s: %d is minimum %d and natural: %d",
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G_OBJECT_TYPE_NAME (layout),
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orientation == GTK_SIZE_GROUP_HORIZONTAL ? "horizontal" : "vertical",
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height,
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cached_size->minimum_size,
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cached_size->natural_size);
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#endif
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}
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/**
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* gtk_extended_layout_is_height_for_width:
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* @layout: a #GtkExtendedLayout instance
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@ -127,66 +307,7 @@ gtk_extended_layout_get_desired_width (GtkExtendedLayout *layout,
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gint *minimum_width,
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gint *natural_width)
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{
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GtkWidgetAuxInfo *aux_info;
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gboolean found_in_cache = FALSE;
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GtkDesiredSize *cached_size;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (minimum_width != NULL || natural_width != NULL);
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aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (layout), TRUE);
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cached_size = &aux_info->desired_widths[0];
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if (GTK_WIDGET_WIDTH_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = _gtk_extended_layout_get_cached_desired_size (-1, aux_info->desired_widths,
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&cached_size);
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if (!found_in_cache)
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{
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GtkRequisition requisition;
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gint minimum_width = 0, natural_width = 0;
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/* Unconditionally envoke size-request and use those return values as
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* the base end of our values */
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_gtk_size_group_compute_requisition (GTK_WIDGET (layout), &requisition);
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/* Envoke this after, default GtkWidgetClass will simply copy over widget->requisition
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*/
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->get_desired_width (layout,
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&minimum_width,
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&natural_width);
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minimum_width = MAX (minimum_width, requisition.width);
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natural_width = MAX (natural_width, requisition.width);
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/* XXX Possibly we should update this with minimum values instead */
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_gtk_size_group_bump_requisition (GTK_WIDGET (layout), GTK_SIZE_GROUP_HORIZONTAL, natural_width);
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cached_size->minimum_size = minimum_width;
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cached_size->natural_size = natural_width;
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cached_size->for_size = -1;
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cached_size->age = aux_info->cached_width_age;
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aux_info->cached_width_age ++;
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GTK_PRIVATE_UNSET_FLAG (layout, GTK_WIDTH_REQUEST_NEEDED);
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}
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if (minimum_width)
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*minimum_width = cached_size->minimum_size;
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if (natural_width)
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*natural_width = cached_size->natural_size;
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g_assert (!minimum_width || !natural_width || *minimum_width <= *natural_width);
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#if DEBUG_EXTENDED_LAYOUT
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g_message ("%s returning minimum width: %d and natural width: %d",
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G_OBJECT_TYPE_NAME (layout),
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cached_size->minimum_size,
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cached_size->natural_size);
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#endif
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compute_size_for_orientation (layout, GTK_SIZE_GROUP_HORIZONTAL, -1, minimum_width, natural_width);
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}
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@ -205,66 +326,7 @@ gtk_extended_layout_get_desired_height (GtkExtendedLayout *layout,
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gint *minimum_height,
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gint *natural_height)
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{
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GtkWidgetAuxInfo *aux_info;
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gboolean found_in_cache = FALSE;
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GtkDesiredSize *cached_size;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (minimum_height != NULL || natural_height != NULL);
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aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (layout), TRUE);
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cached_size = &aux_info->desired_heights[0];
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if (GTK_WIDGET_HEIGHT_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = _gtk_extended_layout_get_cached_desired_size (-1, aux_info->desired_heights,
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&cached_size);
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if (!found_in_cache)
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{
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GtkRequisition requisition;
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gint minimum_height = 0, natural_height = 0;
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/* Unconditionally envoke size-request and use those return values as
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* the base end of our values */
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_gtk_size_group_compute_requisition (GTK_WIDGET (layout), &requisition);
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/* Envoke this after, default GtkWidgetClass will simply copy over widget->requisition
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*/
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->get_desired_height (layout,
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&minimum_height,
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&natural_height);
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minimum_height = MAX (minimum_height, requisition.height);
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natural_height = MAX (natural_height, requisition.height);
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/* XXX Possibly we should update this with minimum values instead */
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_gtk_size_group_bump_requisition (GTK_WIDGET (layout), GTK_SIZE_GROUP_VERTICAL, natural_height);
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cached_size->minimum_size = minimum_height;
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cached_size->natural_size = natural_height;
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cached_size->for_size = -1;
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cached_size->age = aux_info->cached_height_age;
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aux_info->cached_height_age ++;
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GTK_PRIVATE_UNSET_FLAG (layout, GTK_HEIGHT_REQUEST_NEEDED);
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}
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if (minimum_height)
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*minimum_height = cached_size->minimum_size;
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if (natural_height)
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*natural_height = cached_size->natural_size;
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g_assert (!minimum_height || !natural_height || *minimum_height <= *natural_height);
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#if DEBUG_EXTENDED_LAYOUT
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g_message ("%s returning minimum height: %d and natural height: %d",
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G_OBJECT_TYPE_NAME (layout),
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cached_size->minimum_size,
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cached_size->natural_size);
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#endif
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compute_size_for_orientation (layout, GTK_SIZE_GROUP_VERTICAL, -1, minimum_height, natural_height);
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}
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@ -287,67 +349,7 @@ gtk_extended_layout_get_width_for_height (GtkExtendedLayout *layout,
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gint *minimum_width,
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gint *natural_width)
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{
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GtkWidgetAuxInfo *aux_info;
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gboolean found_in_cache = FALSE;
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GtkDesiredSize *cached_size;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (minimum_width != NULL || natural_width != NULL);
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aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (layout), TRUE);
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cached_size = &aux_info->desired_widths[0];
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if (GTK_WIDGET_WIDTH_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = _gtk_extended_layout_get_cached_desired_size (height, aux_info->desired_widths,
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&cached_size);
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if (!found_in_cache)
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{
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GtkRequisition requisition;
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gint minimum_width = 0, natural_width = 0;
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/* Unconditionally envoke size-request and use those return values as
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* the base end of our values */
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_gtk_size_group_compute_requisition (GTK_WIDGET (layout), &requisition);
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GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->get_width_for_height (layout,
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height,
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&minimum_width,
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&natural_width);
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minimum_width = MAX (minimum_width, requisition.width);
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natural_width = MAX (natural_width, requisition.width);
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/* XXX Possibly we should update this with minimum values instead */
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_gtk_size_group_bump_requisition (GTK_WIDGET (layout), GTK_SIZE_GROUP_HORIZONTAL, natural_width);
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cached_size->minimum_size = minimum_width;
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cached_size->natural_size = natural_width;
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cached_size->for_size = height;
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cached_size->age = aux_info->cached_width_age;
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aux_info->cached_width_age++;
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GTK_PRIVATE_UNSET_FLAG (layout, GTK_WIDTH_REQUEST_NEEDED);
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}
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if (minimum_width)
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*minimum_width = cached_size->minimum_size;
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if (natural_width)
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*natural_width = cached_size->natural_size;
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g_assert (!minimum_width || !natural_width || *minimum_width <= *natural_width);
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#if DEBUG_EXTENDED_LAYOUT
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g_message ("%s width for height: %d is minimum %d and natural: %d",
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G_OBJECT_TYPE_NAME (layout), height,
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cached_size->minimum_size,
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cached_size->natural_size);
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#endif
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compute_size_for_orientation (layout, GTK_SIZE_GROUP_HORIZONTAL, height, minimum_width, natural_width);
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}
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/**
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@ -368,71 +370,9 @@ gtk_extended_layout_get_height_for_width (GtkExtendedLayout *layout,
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gint *minimum_height,
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gint *natural_height)
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{
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GtkWidgetAuxInfo *aux_info;
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gboolean found_in_cache = FALSE;
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GtkDesiredSize *cached_size;
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g_return_if_fail (GTK_IS_EXTENDED_LAYOUT (layout));
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g_return_if_fail (minimum_height != NULL || natural_height != NULL);
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aux_info = _gtk_widget_get_aux_info (GTK_WIDGET (layout), TRUE);
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cached_size = &aux_info->desired_heights[0];
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if (GTK_WIDGET_HEIGHT_REQUEST_NEEDED (layout) == FALSE)
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found_in_cache = _gtk_extended_layout_get_cached_desired_size (width, aux_info->desired_heights,
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&cached_size);
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if (!found_in_cache)
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{
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GtkRequisition requisition;
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gint minimum_height = 0, natural_height = 0;
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/* Unconditionally envoke size-request and use those return values as
|
||||
* the base end of our values */
|
||||
_gtk_size_group_compute_requisition (GTK_WIDGET (layout), &requisition);
|
||||
|
||||
GTK_EXTENDED_LAYOUT_GET_IFACE (layout)->get_height_for_width (layout,
|
||||
width,
|
||||
&minimum_height,
|
||||
&natural_height);
|
||||
|
||||
minimum_height = MAX (minimum_height, requisition.height);
|
||||
natural_height = MAX (natural_height, requisition.height);
|
||||
|
||||
/* XXX Possibly we should update this with minimum values instead */
|
||||
_gtk_size_group_bump_requisition (GTK_WIDGET (layout), GTK_SIZE_GROUP_VERTICAL, natural_height);
|
||||
|
||||
cached_size->minimum_size = minimum_height;
|
||||
cached_size->natural_size = natural_height;
|
||||
cached_size->for_size = width;
|
||||
cached_size->age = aux_info->cached_height_age;
|
||||
|
||||
aux_info->cached_height_age++;
|
||||
|
||||
GTK_PRIVATE_UNSET_FLAG (layout, GTK_HEIGHT_REQUEST_NEEDED);
|
||||
}
|
||||
|
||||
|
||||
if (minimum_height)
|
||||
*minimum_height = cached_size->minimum_size;
|
||||
|
||||
if (natural_height)
|
||||
*natural_height = cached_size->natural_size;
|
||||
|
||||
g_assert (!minimum_height || !natural_height || *minimum_height <= *natural_height);
|
||||
|
||||
#if DEBUG_EXTENDED_LAYOUT
|
||||
g_message ("%s height for width: %d is minimum %d and natural: %d",
|
||||
G_OBJECT_TYPE_NAME (layout), width,
|
||||
cached_size->minimum_size,
|
||||
cached_size->natural_size);
|
||||
#endif
|
||||
compute_size_for_orientation (layout, GTK_SIZE_GROUP_VERTICAL, width, minimum_height, natural_height);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* gtk_extended_layout_get_desired_size:
|
||||
* @layout: a #GtkExtendedLayout instance
|
||||
|
||||
@ -459,16 +459,12 @@ typedef enum
|
||||
|
||||
#define GTK_TYPE_REQUISITION (gtk_requisition_get_type ())
|
||||
|
||||
/* Size of the width-for-height/height-for-width caches */
|
||||
#define GTK_N_CACHED_SIZES 3
|
||||
|
||||
/* forward declaration to avoid excessive includes (and concurrent includes)
|
||||
*/
|
||||
typedef struct _GtkRequisition GtkRequisition;
|
||||
typedef struct _GtkSelectionData GtkSelectionData;
|
||||
typedef struct _GtkWidgetClass GtkWidgetClass;
|
||||
typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo;
|
||||
typedef struct _GtkDesiredSize GtkDesiredSize;
|
||||
typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo;
|
||||
typedef struct _GtkClipboard GtkClipboard;
|
||||
typedef struct _GtkTooltip GtkTooltip;
|
||||
@ -804,14 +800,6 @@ struct _GtkWidgetClass
|
||||
void (*_gtk_reserved7) (void);
|
||||
};
|
||||
|
||||
struct _GtkDesiredSize
|
||||
{
|
||||
guint age;
|
||||
gint for_size;
|
||||
gint minimum_size;
|
||||
gint natural_size;
|
||||
};
|
||||
|
||||
struct _GtkWidgetAuxInfo
|
||||
{
|
||||
gint x;
|
||||
@ -821,11 +809,6 @@ struct _GtkWidgetAuxInfo
|
||||
|
||||
guint x_set : 1;
|
||||
guint y_set : 1;
|
||||
|
||||
GtkDesiredSize desired_widths[GTK_N_CACHED_SIZES];
|
||||
GtkDesiredSize desired_heights[GTK_N_CACHED_SIZES];
|
||||
guint cached_width_age;
|
||||
guint cached_height_age;
|
||||
};
|
||||
|
||||
struct _GtkWidgetShapeInfo
|
||||
|
||||
Loading…
Reference in New Issue
Block a user