[gtk+] Revert "gtk_entry_completion_get_cells: revert returning NULL"

[Matthias Clasen <matthiasc src gnome org>]

commit c243ad8f49f9201bd99a575caf043f519132982f
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 3 05:50:34 2014 -0500

    Revert "gtk_entry_completion_get_cells: revert returning NULL"
    
    This reverts commit a9a6fb045a0faedb30ffdad4ed979f380c483ebd.

 gtk/gtkentrycompletion.c |   24 ++++++++++--------------
 1 files changed, 10 insertions(+), 14 deletions(-)
---
diff --git a/gtk/gtkentrycompletion.c b/gtk/gtkentrycompletion.c
index 6305721..7b22ecd 100644
--- a/gtk/gtkentrycompletion.c
+++ b/gtk/gtkentrycompletion.c
@@ -843,21 +843,20 @@ gtk_entry_completion_clear_text_column_renderer (GtkEntryCompletion *completion)
 static GList *
 gtk_entry_completion_get_cells (GtkCellLayout *cell_layout)
 {
-  static gboolean warned = FALSE;
-
   GtkEntryCompletion *completion = GTK_ENTRY_COMPLETION (cell_layout);
-  GtkCellArea *area;
 
-  if (!warned && completion->priv->text_column != -1)
+  if (completion->priv->text_column == -1)
     {
-      g_warning ("GtkEntryCompletion: don't call gtk_cell_layout_get_cells() to get "
-                 "the cell renderer that was created by setting 'text-column'.");
-      warned = TRUE;
-    }
-
-  area = gtk_entry_completion_get_area (cell_layout);
+      GtkCellArea *area;
 
-  return gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (area));
+      area = gtk_entry_completion_get_area (cell_layout);
+      return gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (area));
+    }
+  else
+    {
+      /* Don't expose the internally created cell renderer */
+      return NULL;
+    }
 }
 
 static void
@@ -1475,9 +1474,6 @@ gtk_entry_completion_delete_action (GtkEntryCompletion *completion,
  * to have a list displaying all (and just) strings in the completion list,
  * and to get those strings from @column in the model of @completion.
  *
- * The cell renderer added by this function is managed internally. Do
- * not access or modify it.
- *
  * Any cell renderers that were added to @completion before calling this
  * function will be removed.
  *