1 files changed, 13 insertions, 0 deletions

diff --git a/src/setup/gnunet-setup-gns-edit.h b/src/setup/gnunet-setup-gns-edit.h
index 25ac2551..2386553c 100644
--- a/src/setup/gnunet-setup-gns-edit.h
+++ b/src/setup/gnunet-setup-gns-edit.h
@@ -49,6 +49,13 @@ typedef void (*GNS_EditContinuation)(struct EditDialogContext *edc,
                                      GtkResponseType ret);
 
 
+/**
+ * Signature of a dialog-specific validation function to validate the
+ * value.  Should either call 'edit_dialog_disable_save' if the value
+ * is invalid, or 'edit_dialog_check_save' if the value is valid.
+ */
+typedef void (*GNS_EditValidator)(struct EditDialogContext *edc);
+
 
 /**
  * Context for edit operations.
@@ -72,6 +79,12 @@ struct EditDialogContext
   GNS_EditContinuation cont;
 
   /**
+   * Function to call to validate the state of the dialog and
+   * ultimately update the 'save' button sensitivity.
+   */
+  GNS_EditValidator validator;
+
+  /**
    * Builder for the dialog (internal to gnunet-setup-gns-edit.c).
    */
   GtkBuilder *builder;