<?php
class Kwc_FulltextSearch_Box_Trl_Component extends Kwc_Chained_Trl_Component
{
    public function getTemplateVars()
    {
        $ret = parent::getTemplateVars();
        $ret['searchPage'] = Kwc_Chained_Trl_Component::getChainedByMaster($ret['searchPage'], $this->getData(), array('ignoreVisible'=>true));
        return $ret;
    }
}
<?php
class Kwc_FulltextSearch_Box_Trl_Component extends Kwc_Chained_Trl_Component
{
    public function processInput($postData)
    {
        Kwf_Component_Data_Root::getInstance()
            ->getComponentByClass('Kwc_FulltextSearch_Search_Trl_Component',
                                   array('subroot'=>$this->getData()))
            ->getChildComponent('-child')
            ->getChildComponent('-view')->getChildComponent('-searchForm')
            ->getComponent()->processInput($postData);
    }

    public function getTemplateVars()
    {
        $ret = parent::getTemplateVars();
        $searchPage = Kwf_Component_Data_Root::getInstance()
            ->getComponentByClass('Kwc_FulltextSearch_Search_Trl_Component',
                                   array('subroot'=>$this->getData()))
            ->getChildComponent('-child');
        $ret['searchForm'] = $searchPage->getChildComponent('-view')
            ->getChildComponent('-searchForm');
        $ret['config']['searchTitle'] = $searchPage->getTitle();
        $ret['config']['searchUrl'] = $searchPage->getAbsoluteUrl();
        return $ret;
    }
}
Fix searchBox-trl getting the correct form
Fix searchBox-trl getting the correct form

The old searchBox-trl code was deprecated. Now it's searching for the search-trl component and getting it's form to display.
