public void setBarAndArrows(int bar_left, int bar_right, Object action_left, Object action_right) {
if (mutable) {
getRowHighlights().setBarAndArrows(bar_left, bar_right, action_left, "focusMove", true);
getUpDownHighlights().setBarAndArrows(BAR_DEFAULT, BAR_DEFAULT, "focusRow", action_right, true);
BHighlight left = getUpDownHighlights().get(H_LEFT);
BHighlight right = getUpDownHighlights().get(H_RIGHT);
if (left != null && right != null) {
left.setVisible(H_VIS_FALSE);
right.setVisible(H_VIS_FALSE);
}
getUpDownHighlights().setWhisperingArrow("up", A_LEFT+10, A_CENTER, "moveUp");
getUpDownHighlights().setWhisperingArrow("down", A_RIGHT-10, A_CENTER, "moveDown");
} else {
getRowHighlights().setBarAndArrows(bar_left, bar_right, action_left, action_right, true);