a11y: Add get_renderer_state() to cell accessibles

Accessibles can use this function to query the state that their row
would be rendered with.

1 files changed, 24 insertions, 0 deletions

diff --git a/gtk/a11y/gtkcellaccessibleparent.c b/gtk/a11y/gtkcellaccessibleparent.c
index 76c6b76411..6f76ccb146 100644
--- a/gtk/a11y/gtkcellaccessibleparent.c
+++ b/gtk/a11y/gtkcellaccessibleparent.c
@@ -112,6 +112,30 @@ _gtk_cell_accessible_parent_get_child_index (GtkCellAccessibleParent *parent,
     return -1;
 }
 
+GtkCellRendererState
+_gtk_cell_accessible_parent_get_renderer_state (GtkCellAccessibleParent *parent,
+                                                GtkCellAccessible       *cell,
+                                                gboolean                *expandable,
+                                                gboolean                *expanded)
+{
+  GtkCellAccessibleParentIface *iface;
+
+  g_return_val_if_fail (GTK_IS_CELL_ACCESSIBLE_PARENT (parent), 0);
+  g_return_val_if_fail (GTK_IS_CELL_ACCESSIBLE (cell), 0);
+
+  iface = GTK_CELL_ACCESSIBLE_PARENT_GET_IFACE (parent);
+
+  if (expandable)
+    *expandable = FALSE;
+  if (expanded)
+    *expanded = FALSE;
+
+  if (iface->get_renderer_state)
+    return (iface->get_renderer_state) (parent, cell, expandable, expanded);
+  else
+    return 0;
+}
+
 void
 _gtk_cell_accessible_parent_set_cell_data (GtkCellAccessibleParent *parent,
                                            GtkCellAccessible       *cell)