list_window: added list_window_scroll_cmd()

It is similar to list_window_cmd(), but it scrolls the window instead
of moving the selection.  It is used by the "lyrics" and the "help"
screen.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/list_window.h b/src/list_window.h
index 2efff8a5c..ab02f4bdd 100644
--- a/src/list_window.h
+++ b/src/list_window.h
@@ -49,6 +49,13 @@ void list_window_paint(struct list_window *lw,
 /* perform basic list window commands (movement) */
 int list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd);
 
+/**
+ * Scroll the window.  Returns non-zero if the command has been
+ * consumed.
+ */
+int
+list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd);
+
 
 /* select functions */
 void list_window_set_selected(struct list_window *lw, unsigned n);