while((ch = getch())) {
switch(ch) {
/* Move the cursor and scroll */
+ case 'j':
case KEY_DOWN:
if (pref_panel_visible) {
pref_line_selected++;
break;
case KEY_NPAGE:
break;
+ case 'k':
case KEY_UP:
if (pref_panel_visible) {
if (pref_line_selected > 0)