make it possible for interface classes to define a get_options() method to add an options group to the help menu

1 files changed, 5 insertions, 0 deletions

diff --git a/interface.h b/interface.h
index a67fbfa..cf261fb 100644
--- a/interface.h
+++ b/interface.h
@@ -15,6 +15,11 @@
  */
 class Interface {
 public:
+	virtual GOptionGroup *
+	get_options(void)
+	{
+		return NULL;
+	}
 	virtual void parse_args(int &argc, char **&argv) {}
 
 	enum MessageType {