public void moveDown(TextAppearance appearance) {
synchronized (content) {
if (activeLine == null) return;
Point currentPos = activeLine.getActivePosition(appearance);
if (activeLine.getSelectedLine() != null) {
currentPos.setY(
activeLineY + currentPos.getY() + (activeLine.getSelectedLine().getSize().getHeight()));
if (currentPos.getY() > getSize().getHeight()) {
currentPos.setY(getSize().getHeight());
}
activeAtom = findAtomOnPosition(currentPos.getX(), currentPos.getY(), appearance);
setActiveAtom(this.activeAtom);
}
}
}
public Point getActivePosition(TextAppearance appearance) {
synchronized (content) {
if (activeLine != null) {
Point result = activeLine.getActivePosition(appearance);
if (result != null) result.setY(result.getY() + activeLineY);
return result;
} else {
return null;
}
}
}
/* (non-Javadoc)
* @see org.fenggui.IWidget#getY()
*/
public int getY() {
return position.getY();
}
private void translate(Point current, Point destination, Point speed) {
if (current.getX() > destination.getX()) {
current.setX(current.getX() - speed.getX());
if (current.getX() < destination.getX()) {
current.setX(destination.getX());
}
} else {
current.setX(current.getX() + speed.getX());
if (current.getX() > destination.getX()) {
current.setX(destination.getX());
}
}
if (current.getY() > destination.getY()) {
current.setX(current.getY() - speed.getY());
if (current.getY() < destination.getY()) {
current.setX(destination.getY());
}
} else {
current.setX(current.getY() + speed.getY());
if (current.getY() > destination.getY()) {
current.setY(destination.getY());
}
}
}