+ connect(box->button(QDialogButtonBox::Ok), &QAbstractButton::clicked, this, &DolphinSettingsDialog::applySettings);
+ connect(box->button(QDialogButtonBox::Apply), &QAbstractButton::clicked, this, &DolphinSettingsDialog::applySettings);
+ connect(box->button(QDialogButtonBox::RestoreDefaults), &QAbstractButton::clicked, this, &DolphinSettingsDialog::restoreDefaults);
+