menu: Apply VSHIFT to scrollbar

When VSHIFT is used, the scrollbar's position is relative to the old position. Signed-off-by: Gene Cumm <gene.cumm@gmail.com>
mcb30 · Jun 14, 2016 · fa1629d · fa1629d
1 parent b63fc46
commit fa1629d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/com32/menu/menumain.c b/com32/menu/menumain.c
@@ -306,7 +306,8 @@ static void draw_menu(int sel, int top, int edit_line)
 
     if (cm->nentries > MENU_ROWS) {
 	int sblen = max(MENU_ROWS * MENU_ROWS / cm->nentries, 1);
-	sbtop = (MENU_ROWS - sblen + 1) * top / (cm->nentries - MENU_ROWS + 1);
+	sbtop = ((MENU_ROWS - sblen + 1) * top /
+	    (cm->nentries - MENU_ROWS + 1)) + VSHIFT;
 	sbbot = sbtop + sblen - 1;
 	sbtop += 4;
 	sbbot += 4;		/* Starting row of scrollbar */