[Qt-interest] different colors in the same QLineEdit

[Cimpean Andrei Sebastian]

Hello everybody.
I have a QLineEdit widget where i display a path. As a feature i 
visually add file extensions that ensure that a user always sees what 
filters he is applying to a folder.
First of all... i am pretty sure but don't have a clue as to how 
something like i describe can be achieved:
a widget like this
 __________
/                \ that contains some info, inside a QLineEdit
|                | also, would doing something like this consume a large 
amount of
\__________/ resources? the thing with this is that if someone can help 
me achieve something like this, i will use it a couple of times.

But the biggest problem i am seeking a solution is how do i color only a 
part of the text inside a QLineEdit so i get something like 
//home/andrei/*.pdf*.cpp.

/Thank you for your time.

Andrei