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;
}
}
}
private void moveWidget(int timeDelta) {
final Point currentPosition = new Point(widget.getPosition());
if (currentPosition.equals(endPosition)) {
// end reached remove actor.
unHook(widget);
} else {
// move widget
// todo: make framerate independent
// use time as base to calc movement speed. So someone will tell
// that it
// should take 1sec from A to B. More space between A and B means
// faster movement.
translate(currentPosition, endPosition, movementSpeed);
widget.setPosition(currentPosition);
}
}
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);
}
}
}
/**
* This will create a copy of the widget. This copy will be deep. The only restriction is that it
* will not copy any content Items or child Widgets of this widget.
*/
public Widget clone() {
Widget result;
try {
result = (Widget) super.clone();
} catch (CloneNotSupportedException e) {
// can not happen but write out anyway
Log.error("Couldn't clone Widget", e);
return null;
}
result.position = position.clone();
result.size = size.clone();
result.minSize = minSize.clone();
result.data = null;
result.parent = null;
result.layoutData = null;
result.initHooks();
return result;
}
/* (non-Javadoc)
* @see org.fenggui.IWidget#getX()
*/
public int getX() {
return position.getX();
}
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());
}
}
}