import hush.dv.api.*;
import hush.dv.widgets.Canvas;
public class MoveHandler extends Handler {
int x; int y;
boolean dragging;
Canvas _canvas;
Item it;
public MoveHandler(Canvas c) {
_canvas = c;
dragging = false;
}
public void press(Event ev) {
dragging = true;
x = ev.x(); y = ev.y();
it = _canvas.overlapping(x,y);
}
public void release(Event ev) {
dragging = false;
}
public void motion(Event ev) {
if (dragging) {
it.move( ev.x() - x, ev.y() - y );
x = ev.x(); y = ev.y();
}
}
};
slide: The {\em move\_handler} class