I’ve done similar things in the past but moving another widget does not cause a text field to lose focus. To test this out in RP9, I designed a Material-like input field and it works properly–the Got Focus event of the text field moves the “Title” widget (and sets it to selected so its color changes) and the field maintains focus. When the field loses focus it shows a Placeholder widget (as proof that its Lost Focus event is triggered.)
Material Text Input.rp (46.2 KB)