@Override
  public void mousePressedLeft(final double x, final double y) {
    final MouseEvent e = getLastPressEvent();
    if (!invertMoveViewPort || e == null || (e.getModifiersEx() & MouseEvent.CTRL_DOWN_MASK) != 0) {
      super.mousePressedLeft(x, y);
    } else {
      setChild(moveViewPortMode, e, null);
    }
  }
Move the viewport on mouse left-drag instead of default right-drag.
java/ui/src/main/java/com/google/security/zynamics/bindiff/graph/editmode/EditMode.java