easy to fix: btn->focusPolicy(QT::ClickFocus); https://github.com/mixxxdj/mixxx/blob/master/src/library/previewbuttondelegate.cpp#L56
https://github.com/mixxxdj/mixxx/pull/2248
easy to fix: y(QT::ClickFocu s); /github. com/mixxxdj/ mixxx/blob/ master/ src/library/ previewbuttonde legate. cpp#L56
btn->focusPolic
https:/
https:/ /github. com/mixxxdj/ mixxx/pull/ 2248