Method canCut

src/kdiff3.cpp:528–533

This function is only concerned with qt objects that don't support canCut. allowCut() or's the results from all canCut signals returns true if a QLineEdit or QLineEdit is in focus because Qt handles these internally. */

    returns true if a QLineEdit or QLineEdit is in focus because Qt handles these internally.
*/
bool KDiff3App::canCut()
{
    QWidget* focus = focusWidget();

    return (qobject_cast<QLineEdit*>(focus) != nullptr || qobject_cast<QTextEdit*>(focus) != nullptr);
}

/*canSave*/
bool KDiff3App::canSave()