[Qt] New Qt patch TSpinEdit,TFloatSpinEdit ...

[Felipe Monteiro de Carvalho]

> * Is there any chance to commit latest qt4.pas from Den (with QStyle) added so
> we can use QStyle drawing utilites (qt-4.2.3) ?

I updated our qt bindings to version 1.30, please test.

> As I said workaround is to set try..except around Setlength(s, Len) inside
> this routine, and then everything looks fine:

I commited the workaround, but, considering this problem, it may be
better to simply not use this function.

I would be better if fpc provided functions to work with widestrings

-- 
Felipe Monteiro de Carvalho