void
gtk_css_node_set_visible (GtkCssNode *cssnode,
gboolean visible)
{
if (cssnode->visible == visible)
return;
cssnode->visible = visible;
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_VISIBLE]);
if (cssnode->invalid)
{
if (cssnode->visible)
{
if (cssnode->parent)
gtk_css_node_set_invalid (cssnode->parent, TRUE);
else
GTK_CSS_NODE_GET_CLASS (cssnode)->queue_validate (cssnode);
}
else
{
if (cssnode->parent == NULL)
GTK_CSS_NODE_GET_CLASS (cssnode)->dequeue_validate (cssnode);
}
}
if (cssnode->next_sibling)
gtk_css_node_invalidate (cssnode->next_sibling, GTK_CSS_CHANGE_ANY_SIBLING
| GTK_CSS_CHANGE_NTH_CHILD
| (cssnode->previous_sibling ? 0 : GTK_CSS_CHANGE_FIRST_CHILD));
if (cssnode->previous_sibling)
gtk_css_node_invalidate (cssnode->previous_sibling, GTK_CSS_CHANGE_NTH_LAST_CHILD
| (cssnode->next_sibling ? 0 : GTK_CSS_CHANGE_LAST_CHILD));
}
void
gtk_css_node_set_visible (GtkCssNode *cssnode,
gboolean visible)
{
GtkCssNode *iter;
if (cssnode->visible == visible)
return;
cssnode->visible = visible;
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_VISIBLE]);
if (cssnode->invalid)
{
if (cssnode->visible)
{
if (cssnode->parent)
gtk_css_node_set_invalid (cssnode->parent, TRUE);
else
GTK_CSS_NODE_GET_CLASS (cssnode)->queue_validate (cssnode);
}
else
{
if (cssnode->parent == NULL)
GTK_CSS_NODE_GET_CLASS (cssnode)->dequeue_validate (cssnode);
}
}
if (cssnode->next_sibling)
{
gtk_css_node_invalidate (cssnode->next_sibling, GTK_CSS_CHANGE_ANY_SIBLING | GTK_CSS_CHANGE_NTH_CHILD);
if (gtk_css_node_is_first_child (cssnode))
{
for (iter = cssnode->next_sibling;
iter != NULL;
iter = iter->next_sibling)
{
gtk_css_node_invalidate (iter, GTK_CSS_CHANGE_FIRST_CHILD);
if (iter->visible)
break;
}
}
}
if (cssnode->previous_sibling)
{
if (gtk_css_node_is_last_child (cssnode))
{
for (iter = cssnode->previous_sibling;
iter != NULL;
iter = iter->previous_sibling)
{
gtk_css_node_invalidate (iter, GTK_CSS_CHANGE_LAST_CHILD);
if (iter->visible)
break;
}
}
gtk_css_node_invalidate (cssnode->parent->first_child, GTK_CSS_CHANGE_NTH_LAST_CHILD);
}
}
void
gtk_css_node_remove_region (GtkCssNode *cssnode,
GQuark region)
{
if (gtk_css_node_declaration_remove_region (&cssnode->decl, region))
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_REGION);
}
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;
}
void
gtk_css_node_add_region (GtkCssNode *cssnode,
GQuark region,
GtkRegionFlags flags)
{
if (gtk_css_node_declaration_add_region (&cssnode->decl, region, flags))
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_REGION);
}
static void
gtk_css_node_clear_classes (GtkCssNode *cssnode)
{
if (gtk_css_node_declaration_clear_classes (&cssnode->decl))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_CLASS);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_CLASSES]);
}
}
void
gtk_css_node_set_id (GtkCssNode *cssnode,
/* interned */ const char *id)
{
if (gtk_css_node_declaration_set_id (&cssnode->decl, id))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_ID);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_ID]);
}
}
void
gtk_css_node_remove_class (GtkCssNode *cssnode,
GQuark style_class)
{
if (gtk_css_node_declaration_remove_class (&cssnode->decl, style_class))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_CLASS);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_CLASSES]);
}
}
void
gtk_css_node_set_state (GtkCssNode *cssnode,
GtkStateFlags state_flags)
{
if (gtk_css_node_declaration_set_state (&cssnode->decl, state_flags))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_STATE);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_STATE]);
}
}
void
gtk_css_node_set_widget_type (GtkCssNode *cssnode,
GType widget_type)
{
if (gtk_css_node_declaration_set_type (&cssnode->decl, widget_type))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_NAME);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_WIDGET_TYPE]);
}
}
void
gtk_css_node_set_name (GtkCssNode *cssnode,
/*interned*/ const char *name)
{
if (gtk_css_node_declaration_set_name (&cssnode->decl, name))
{
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_NAME);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_NAME]);
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_WIDGET_TYPE]);
}
}
void
gtk_css_node_invalidate_frame_clock (GtkCssNode *cssnode,
gboolean just_timestamp)
{
/* frame clock is handled by the top level */
if (cssnode->parent)
return;
gtk_css_node_invalidate_timestamp (cssnode);
if (!just_timestamp)
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_ANIMATIONS);
}
void
gtk_css_node_set_visible (GtkCssNode *cssnode,
gboolean visible)
{
if (cssnode->visible == visible)
return;
cssnode->visible = visible;
g_object_notify_by_pspec (G_OBJECT (cssnode), cssnode_properties[PROP_VISIBLE]);
if (cssnode->next_sibling)
gtk_css_node_invalidate (cssnode->next_sibling, GTK_CSS_CHANGE_POSITION | GTK_CSS_CHANGE_ANY_SIBLING);
}
void
gtk_css_node_invalidate_style_provider (GtkCssNode *cssnode)
{
GtkCssNode *child;
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_SOURCE);
for (child = cssnode->first_child;
child;
child = child->next_sibling)
{
if (gtk_css_node_get_style_provider_or_null (child) == NULL)
gtk_css_node_invalidate_style_provider (child);
}
}
static void
gtk_css_node_invalidate_timestamp (GtkCssNode *cssnode)
{
GtkCssNode *child;
if (!cssnode->invalid)
return;
if (!gtk_css_style_is_static (cssnode->style))
gtk_css_node_invalidate (cssnode, GTK_CSS_CHANGE_TIMESTAMP);
for (child = cssnode->first_child; child; child = child->next_sibling)
{
gtk_css_node_invalidate_timestamp (child);
}
}
void
gtk_css_path_node_set_widget_path (GtkCssPathNode *node,
GtkWidgetPath *path)
{
gtk_internal_return_if_fail (GTK_IS_CSS_PATH_NODE (node));
if (node->path == path)
return;
if (node->path)
gtk_widget_path_unref (node->path);
if (path)
gtk_widget_path_ref (path);
node->path = path;
gtk_css_node_invalidate (GTK_CSS_NODE (node), GTK_CSS_CHANGE_ANY);
}
static void
gtk_css_node_reposition (GtkCssNode *node,
GtkCssNode *new_parent,
GtkCssNode *previous)
{
GtkCssNode *old_parent;
g_assert (! (new_parent == NULL && previous != NULL));
old_parent = node->parent;
/* Take a reference here so the whole function has a reference */
g_object_ref (node);
if (node->visible)
{
if (node->next_sibling)
gtk_css_node_invalidate (node->next_sibling,
GTK_CSS_CHANGE_ANY_SIBLING
| GTK_CSS_CHANGE_NTH_CHILD
| (node->previous_sibling ? 0 : GTK_CSS_CHANGE_FIRST_CHILD));
else if (node->previous_sibling)
gtk_css_node_invalidate (node->previous_sibling, GTK_CSS_CHANGE_LAST_CHILD);
}
if (old_parent != NULL)
{
g_signal_emit (old_parent, cssnode_signals[NODE_REMOVED], 0, node, node->previous_sibling);
if (old_parent->first_child && node->visible)
gtk_css_node_invalidate (old_parent->first_child, GTK_CSS_CHANGE_NTH_LAST_CHILD);
}
if (old_parent != new_parent)
{
if (old_parent == NULL)
{
gtk_css_node_parent_will_be_set (node);
}
else
{
g_object_unref (node);
}
if (gtk_css_node_get_style_provider_or_null (node) == NULL)
gtk_css_node_invalidate_style_provider (node);
gtk_css_node_invalidate (node, GTK_CSS_CHANGE_TIMESTAMP | GTK_CSS_CHANGE_ANIMATIONS);
if (new_parent)
{
g_object_ref (node);
if (node->pending_changes)
new_parent->needs_propagation = TRUE;
if (node->invalid && node->visible)
gtk_css_node_set_invalid (new_parent, TRUE);
}
else
{
gtk_css_node_parent_was_unset (node);
}
}
if (new_parent)
{
g_signal_emit (new_parent, cssnode_signals[NODE_ADDED], 0, node, previous);
if (node->visible)
gtk_css_node_invalidate (new_parent->first_child, GTK_CSS_CHANGE_NTH_LAST_CHILD);
}
if (node->visible)
{
if (node->next_sibling)
{
if (node->previous_sibling == NULL)
gtk_css_node_invalidate (node->next_sibling, GTK_CSS_CHANGE_FIRST_CHILD);
else
gtk_css_node_invalidate_style (node->next_sibling);
}
else if (node->previous_sibling)
{
gtk_css_node_invalidate (node->previous_sibling, GTK_CSS_CHANGE_LAST_CHILD);
}
}
else
{
if (node->next_sibling)
gtk_css_node_invalidate_style (node->next_sibling);
}
gtk_css_node_invalidate (node, GTK_CSS_CHANGE_ANY_PARENT
| GTK_CSS_CHANGE_ANY_SIBLING
| GTK_CSS_CHANGE_NTH_CHILD
| (node->previous_sibling ? 0 : GTK_CSS_CHANGE_FIRST_CHILD)
| (node->next_sibling ? 0 : GTK_CSS_CHANGE_LAST_CHILD));
g_object_unref (node);
}
