Restores settings from the application.
        
        :param      settings | <QSettings>

def restoreSettings(self, settings):
        """
        Restores settings from the application.
        
        :param      settings | <QSettings>
        """
        settings.beginGroup(self.objectName())
        
        curr_prof = None
        curr_name = unwrapVariant(settings.value('current'))
        
        profiles = []
        for prof_name in settings.childGroups():
            settings.beginGroup(prof_name)
            
            prof_str = unwrapVariant(settings.value('profile'))
            profile  = XViewProfile.fromString(prof_str)
            profile.setName(prof_name)
            
            if prof_name == curr_name:
                curr_prof = profile
            
            profiles.append(profile)
            
            settings.endGroup()
        
        self.blockSignals(True)
        self._profileCombo.blockSignals(True)
        self.setProfiles(profiles)
        
        if curr_prof:
            self.setCurrentProfile(curr_prof)
        
        self._profileCombo.blockSignals(False)
        self.blockSignals(False)
        
        settings.endGroup()