Method closeEvent

Gui/PreferencesPanel.cpp:1229–1243

}

void
PreferencesPanel::closeEvent(QCloseEvent*)
{
    if ( !_imp->closeIsOK && (!_imp->changedKnobs.empty() || _imp->pluginSettingsChanged) ) {
        SettingsPtr settings = appPTR->getCurrentSettings();
        if ( !_imp->changedKnobs.empty() ) {
            settings->beginChanges();
            settings->restoreKnobsFromSettings(_imp->changedKnobs);
            settings->endChanges();
        }
        if (_imp->pluginSettingsChanged) {
            settings->restorePluginSettings();
        }
    }
}

void
PreferencesPanel::keyPressEvent(QKeyEvent* e)