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QHeaderView::ResizeToContents fails on kubuntu 25.04 using flatpak kde runtime 6.9

i mean it could be a flatpak issue.

going from 6.7 to either 6.8 or 6.9 my qtablewidgets no longer "do" what QHeaderView::ResizeToContents says to do.

instead, all columns are the same size,...

Re: change color of a QComboBox line

It's good, I found it
select ->setItemData(2, QColor(255, 0, 0), Qt::ForegroundRole);
so solved thanks

Re: negative number

I understand better with examples, if you have time

Re: change color of a QComboBox line

when I do this it works:


select ->setItemData(1, QColor(255, 175, 0), Qt::TextColorRole);

but I get a warning:

[ 11%] Building CXX object CMakeFiles/test.dir/modifcons.cpp.o...

Re: negative number

Normally, you would use a class derived from QDialog for this purpose. There are many examples in the Qt distribution.