[Qt-interest] Height of QPushButton and QLineEdit different

[Jens Bache-Wiig]

> I tried several things:
>
> (A:)  lineedit->setMinimumSize(button->height());
>     Didn't change anything.
>
> (B:)  lineedit->setMinimumHeight(button->height());
>       lineedit->setMaximumHeight(button->height());
>      Leads to crap, the lineedit gets a huge height,
>      I don't know why.

Make sure to call ensurepolished on the edit before querying for the size. 
Otherwise the size returned will only be calculated when you actually show 
the button.

Jens