_offset_label = create_label (this, _("Offset"), true);
_x_offset_label = create_label (this, _("X"), true);
_x_offset = new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(64, -1));
_offset_label = create_label (this, _("Offset"), true);
_x_offset_label = create_label (this, _("X"), true);
_x_offset = new wxSpinCtrl (this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(64, -1));