(scroll_bar_part): Add `scroll_bar_move_ratio'.

diff --git a/src/termhooks.h b/src/termhooks.h
index 3cbc6dc..4aa5e51 100644 (file)
--- a/src/termhooks.h
+++ b/src/termhooks.h
@@ -71,7 +71,8 @@ enum scroll_bar_part {
   scroll_bar_down_arrow,
   scroll_bar_to_top,
   scroll_bar_to_bottom,
-  scroll_bar_end_scroll
+  scroll_bar_end_scroll,
+  scroll_bar_move_ratio
 };
 
 /* Return the current position of the mouse.