+ case K_RIGHT:
+ if (!browser->columns)
+ goto out;
+ if (browser->horiz_scroll < browser->columns - 1)
+ ++browser->horiz_scroll;
+ break;
+ case K_LEFT:
+ if (!browser->columns)
+ goto out;
+ if (browser->horiz_scroll != 0)
+ --browser->horiz_scroll;
+ break;