Ok, so I tried editing the ‘Portfolio’ page in PRO and adding the text element as you describe. This didn’t work as there’s no content area in the template files (which I suspected before I started, but tried it anyway) and I don’t want to create a new header just for this purpose.
I’ve added the following code to the VIEWS/INTEGRITY/TEMPLATE-LAYOUT-PORTFOLIO.PHP file:
<div class="th-development-filters">
<?php echo do_shortcode('[x_portfolio_filters]'); ?>
</div>
I also had to add some CSS to override some inline CSS that was hiding the buttons with a display: none; with the following CSS (the first line being necessary to centre the button):
.th-development-filters > ul.option-set > li {
text-align: center;
}
.th-development-filters > ul.option-set > li > a.x-portfolio-filters {
display: inline-block;
}
I hope this is useful to anyone else who wants to do the same…