+ SCM
+ irr_gui_addScrollBar (SCM wrapped_gui_environment,
+ SCM horizontal,
+ SCM rectangle,
+ SCM rest)
+ {
+ SCM parent = SCM_BOOL_F;
+ SCM id = scm_from_int32 (-1);
+
+ scm_c_bind_keyword_arguments ("add-scrollbar!", rest, (scm_t_keyword_arguments_flags)0,
+ scm_from_utf8_keyword ("parent"), &parent,
+ scm_from_utf8_keyword ("id"), &id,
+ SCM_UNDEFINED);
+
+ irr::gui::IGUIEnvironment* guienv = unwrap_gui_environment (wrapped_gui_environment);
+ irr::gui::IGUIScrollBar* scrollbar =
+ guienv->addScrollBar (scm_to_bool (horizontal),
+ scm_to_rect_s32 (rectangle),
+ scm_is_false (parent) ? 0 : unwrap_gui_element (parent),
+ scm_to_int32 (id));
+ return wrap_gui_scrollbar (scrollbar);
+ }
+