+ if (value != poster_mode_) {
+ poster_mode_ = value;
+ last_a = -1;
+ last_b = -1;
+
+ // FIXME - just calling on_adjustment_value_changed () here doesn't work
+ // because icons.get_visible_range () returns wrong paths.
+ check_posters (0, 10);
+ jump_to (0, 0);
+ }