static void
gtk_css_node_propagate_pending_changes (GtkCssNode *cssnode,
gboolean style_changed)
{
GtkCssChange change, child_change;
GtkCssNode *child;
change = _gtk_css_change_for_child (cssnode->pending_changes);
if (style_changed)
change |= GTK_CSS_CHANGE_PARENT_STYLE;
if (!cssnode->needs_propagation && change == 0)
return;
for (child = gtk_css_node_get_first_child (cssnode);
child;
child = gtk_css_node_get_next_sibling (child))
{
child_change = child->pending_changes;
gtk_css_node_invalidate (child, change);
if (child->visible)
change |= _gtk_css_change_for_sibling (child_change);
}
cssnode->needs_propagation = FALSE;
}
static void
store_in_global_parent_cache (GtkCssNode *node,
GtkCssStyle *parent,
const GtkCssNodeDeclaration *decl,
GtkCssStyle *style)
{
GHashTable *cache;
g_assert (GTK_IS_CSS_STATIC_STYLE (style));
if (parent == NULL ||
!may_use_global_parent_cache (node))
return;
if (!may_be_stored_in_parent_cache (style))
return;
cache = g_object_get_data (G_OBJECT (parent), "gtk-global-cache");
if (cache == NULL)
{
cache = g_hash_table_new_full (gtk_global_parent_cache_hash,
gtk_global_parent_cache_equal,
gtk_global_parent_cache_free,
g_object_unref);
g_object_set_data_full (G_OBJECT (parent), "gtk-global-cache", cache, (GDestroyNotify) g_hash_table_destroy);
}
g_hash_table_insert (cache,
PACK (gtk_css_node_declaration_ref ((GtkCssNodeDeclaration *) decl),
gtk_css_node_get_previous_sibling (node) == NULL,
gtk_css_node_get_next_sibling (node) == NULL),
g_object_ref (style));
}
static GtkCssNode *
get_next_visible_sibling (GtkCssNode *node)
{
do {
node = gtk_css_node_get_next_sibling (node);
} while (node && !gtk_css_node_get_visible (node));
return node;
}
void
gtk_css_node_validate_internal (GtkCssNode *cssnode,
gint64 timestamp)
{
GtkCssNode *child;
/* If you run your application with
* GTK_DEBUG=no-css-cache
* every invalidation will purge the cache and completely query
* everything anew form the cache. This is slow (in particular
* when animating), but useful for figuring out bugs.
*
* We achieve that by pretending that everything that could have
* changed has and so we of course totally need to redo everything.
*
* Note that this also completely revalidates child widgets all
* the time.
*/
#ifdef G_ENABLE_DEBUG
if (GTK_DEBUG_CHECK (NO_CSS_CACHE))
cssnode->pending_changes |= GTK_CSS_CHANGE_ANY;
#endif
if (!cssnode->invalid)
return;
gtk_css_node_ensure_style (cssnode, timestamp);
/* need to set to FALSE then to TRUE here to make it chain up */
gtk_css_node_set_invalid (cssnode, FALSE);
if (!gtk_css_style_is_static (cssnode->style))
gtk_css_node_set_invalid (cssnode, TRUE);
GTK_CSS_NODE_GET_CLASS (cssnode)->validate (cssnode);
for (child = gtk_css_node_get_first_child (cssnode);
child;
child = gtk_css_node_get_next_sibling (child))
{
if (child->visible)
gtk_css_node_validate_internal (child, timestamp);
}
}
static GtkCssStyle *
lookup_in_global_parent_cache (GtkCssNode *node,
GtkCssStyle *parent,
const GtkCssNodeDeclaration *decl)
{
GHashTable *cache;
GtkCssStyle *style;
if (parent == NULL ||
!may_use_global_parent_cache (node))
return NULL;
cache = g_object_get_qdata (G_OBJECT (parent), quark_global_cache);
if (cache == NULL)
return NULL;
style = g_hash_table_lookup (cache,
PACK (decl,
gtk_css_node_get_previous_sibling (node) == NULL,
gtk_css_node_get_next_sibling (node) == NULL));
return style;
}
