/** Called on mouse press to record the starting coordinates */
public void mousePressed(MouseEvent e) {
startX = e.getX();
startY = e.getY();
lastX = e.getX();
lastY = e.getY();
gobj = getElementAt(startX, startY);
if (gobj == null) {
currentRect = new GRect(startX, startY, 0, 0);
currentRect.setFilled(true);
add(currentRect);
}
}
/** Called on mouse drag to reshape the current rectangle */
public void mouseDragged(MouseEvent e) {
if (gobj != null) {
gobj.move(e.getX() - lastX, e.getY() - lastY);
lastX = e.getX();
lastY = e.getY();
} else {
double x = Math.min(e.getX(), startX);
double y = Math.min(e.getY(), startY);
double width = Math.abs(e.getX() - startX);
double height = Math.abs(e.getY() - startY);
currentRect.setBounds(x, y, width, height);
}
}
public void mouseMoved(MouseEvent e) {
if (label != null) remove(label);
label = new GLabel("X: " + e.getX() + " Y: " + e.getY());
add(label, (getWidth() - label.getWidth()) / 2, (getHeight() - label.getHeight()) / 2);
}
