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

3 files changed, 17 insertions, 2 deletions

diff --git a/interface-gtk.h b/interface-gtk.h
index 76868fd..e6b9166 100644
--- a/interface-gtk.h
+++ b/interface-gtk.h
@@ -20,6 +20,11 @@ public:
 	InterfaceGtk();
 	//~InterfaceGtk();
 
+	inline GOptionGroup *
+	get_options(void)
+	{
+		return gtk_get_option_group(TRUE);
+	}
 	inline void
 	parse_args(int &argc, char **&argv)
 	{
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 {
diff --git a/main.cpp b/main.cpp
index 179d896..60e4c62 100644
--- a/main.cpp
+++ b/main.cpp
@@ -28,15 +28,20 @@ process_options(int &argc, char **&argv)
 		{NULL}
 	};
 
-	GOptionContext *options;
+	GOptionContext	*options;
+	GOptionGroup	*interface_group = interface.get_options();
 
 	options = g_option_context_new("- Advanced interactive TECO");
+
 	g_option_context_add_main_entries(options, option_entries, NULL);
-	g_option_context_add_group(options, gtk_get_option_group(TRUE));
+	if (interface_group)
+		g_option_context_add_group(options, interface_group);
+
 	if (!g_option_context_parse(options, &argc, &argv, NULL)) {
 		g_printf("Option parsing failed!\n");
 		exit(EXIT_FAILURE);
 	}
+
 	g_option_context_free(options);
 
 	if (mung_file) {