private boolean onAltLeft(KeyboardEvent event) {
if (noContentCheck()) return true;
if (hotPointY <= 0 || hotPointY > items.length || items[hotPointY - 1] == null) {
luwrain.hint(Hints.EMPTY_LINE);
return true;
}
final Object item = items[hotPointY - 1];
final String line = appearance.getScreenAppearance(item, 0);
int leftBound = appearance.getObservableLeftBound(item);
if (leftBound < 0) leftBound = 0;
if (leftBound > line.length()) leftBound = line.length();
int rightBound = appearance.getObservableRightBound(item);
if (rightBound < 0) rightBound = 0;
if (rightBound >= line.length()) rightBound = line.length();
if (leftBound >= rightBound) {
luwrain.hint(Hints.EMPTY_LINE);
return true;
}
if (hotPointX <= leftBound) {
luwrain.hint(Hints.BEGIN_OF_LINE);
return true;
}
final String subline = line.substring(leftBound, rightBound);
WordIterator it = new WordIterator(subline, hotPointX - leftBound);
if (!it.stepBackward()) {
luwrain.hint(Hints.BEGIN_OF_LINE);
return true;
}
hotPointX = it.pos() + leftBound;
luwrain.say(it.announce());
luwrain.onAreaNewHotPoint(this);
return true;
}
@Override
public boolean onEnvironmentEvent(EnvironmentEvent event) {
NullCheck.notNull(event, "event");
if (closing.onEnvironmentEvent(event)) return true;
switch (event.getCode()) {
case INTRODUCE:
luwrain.silence();
luwrain.playSound(Sounds.INTRO_POPUP);
luwrain.say(getAreaName());
return true;
default:
return super.onEnvironmentEvent(event);
}
}
@Override
public boolean onEnvironmentEvent(EnvironmentEvent event) {
NullCheck.notNull(event, "event");
if (closing.onEnvironmentEvent(event)) return true;
if (region.onEnvironmentEvent(event, hotPointX, hotPointY)) return false;
switch (event.getCode()) {
case REFRESH:
refresh();
return true;
case INTRODUCE:
luwrain.silence();
luwrain.playSound(Sounds.INTRO_POPUP);
luwrain.say(getAreaName());
return true;
default:
return false;
}
}