@Override
public void mouseScrolled(MouseEvent e) {
if (e.count > 0) {
ctrl.zoomIn(e.x, e.y);
} else {
ctrl.zoomOut(e.x, e.y);
}
}
@Override
public void mouseUp(MouseEvent e) {
dragging = false;
ctrl.drag(0, 0);
if (dx != 0 && dy != 0) {
ctrl.move(dx, dy);
}
dx = dy = 0;
}
@Override
public void mouseMove(MouseEvent e) {
if (dragging) {
dx += e.x - lastX;
dy += e.y - lastY;
if (dx != 0 && dy != 0) {
lastX = e.x;
lastY = e.y;
ctrl.drag(dx, dy);
}
}
}