combo box: Add diagrams to CSS documentation

1 files changed, 12 insertions, 0 deletions

diff --git a/gtk/gtkcomboboxtext.c b/gtk/gtkcomboboxtext.c
index df0670f8c9..a465d8be7d 100644
--- a/gtk/gtkcomboboxtext.c
+++ b/gtk/gtkcomboboxtext.c
@@ -70,6 +70,18 @@
  *   </items>
  * </object>
  * ]|
+ *
+ * # CSS nodes
+ *
+ * |[<!-- language="plain" -->
+ * combobox
+ * ├── entry.combo
+ * ╰── button.combo
+ * ]|
+ *
+ * GtkComboBoxText has a single CSS node with name combobox. It adds
+ * the style class .combo to the main CSS nodes of its entry and button
+ * children.
  */
 
 static void     gtk_combo_box_text_buildable_interface_init     (GtkBuildableIface *iface);