Error with setRect in QRect

[guidupas]

Hello all!

I have a QRect and when I try to setRect it return this error

/QT/Projetos/VisaoFinanceira/fluxocaixawidget.cpp:174: error: member function 'setRect' not viable: 'this' argument has type 'const QRect', but function is not marked const
fluxoRect.at(i).setRect(7,7,7,7);

Thanks.

Here is the code:

QList<QRect> fluxoRect;
 
fluxoRect.append(QRect(0,0,0,0));
 
fluxoRect.at(i).setRect(7,7,7,7);

QList<QRect> fluxoRect;

fluxoRect.append(QRect(0,0,0,0));

fluxoRect.at(i).setRect(7,7,7,7);

To copy to clipboard, switch view to plain text mode 

[ChrisW67]

The at() function returns a constant reference to a QRect in the list. You cannot modify a constant QRect. Try using the list's operator[]() to get a non-const reference.

[guidupas]

Thanks for the reply

I have solved it.

fluxoRect.at(i).replace(QRect(7,7,7,7));

fluxoRect.at(i).replace(QRect(7,7,7,7));

To copy to clipboard, switch view to plain text mode 

[wysota]

I don't think the code you posted is going to work... You probably meant:

fluxoRect.replace(i, QRect(7,7,7,7));

fluxoRect.replace(i, QRect(7,7,7,7));

To copy to clipboard, switch view to plain text mode 

Alternatively you could have done:

fluxoRect[i] = QRect(7,7,7,7);

fluxoRect[i] = QRect(7,7,7,7);

To copy to clipboard, switch view to plain text mode 

or

fluxoRect[i].setRect(QRect(7,7,7,7));

fluxoRect[i].setRect(QRect(7,7,7,7));

To copy to clipboard, switch view to plain text mode 

which use the non-const variant of [] operator.

[guidupas]

wysota, thank you for your reply

fluxoRect.replace(i, QRect(7,7,7,7));

fluxoRect.replace(i, QRect(7,7,7,7));

To copy to clipboard, switch view to plain text mode 

worked fine.