Cannot compile downloaded projects

[NuVeS]

Hey everybody, i am new at qt so i wonted to contribute some foss project. I found qtcodeedit, but there is a problem: I cannot compile project. I added to .pro file some lines, added changes between qt4 and qt5, but there are error: QListView not found, QLabel not found eg, Please tell me what to do. Where is my mistake.

[SGaist]

Hi,

With Qt 5, the widgets have been moved to their own module. You need to add
@QT += widgets@

to your pro file