Errors in migrating from Qt5 to Qt6

[Actarus]

Hello,
I'm new to developing and Qt, I need to migrate an existing project to Qt6 and modified several parts of code succesfully, but now I'm facing the following issue because of the deprecated backgroundColor member:

QDomText txtRed = xmlDoc.createTextNode(QString::number(ui->table->item(i,0)->backgroundColor().red())); 
tagRed.appendChild(txtRed);

This is the code after replacing backgroundColor with background

QDomText txtRed = xmlDoc.createTextNode(QString::number(ui->table->item(i,0)->setBackground(Qt::red)));
tagRed.appendChild(txtRed);

This solved the error but I got a new one for that line that now says: No matching function for call to 'number'.

Is that the correct way to replace that deprecated member?

Thanks.

OS: Windows 11
Qt: 6.4.3

[JoeCFD]

@Actarus said in Errors in migrating from Qt5 to Qt6:

ui->table->item(i,0)->setBackground(Qt::red)

ui->table->item(i,0)->setBackground(Qt::red) is func call, but not a number.

ui->table->item(i,0)->backgroundColor().red() is a number.

You may change it to
QDomText txtRed = xmlDoc.createTextNode(QString::number(ui->table->item(i,0)->background().color().red()));
from here
https://doc.qt.io/qt-6/qtablewidgetitem.html#background

[Actarus]

@JoeCFD said in Errors in migrating from Qt5 to Qt6:

background().color().red()));

Thanks Joe, indeed that worked!