How to set de maximum width of a QGridLayout?

[cstr]

Hi all,

I am thinking in a QGridLayout with 4 QLineEdit horizontaly positioned, but I want the total size of the QGridLayout to be limited to 100, for example.

Is that possible?

I see the following, but do not understand how to deal with it.

quaternionLayout->setSizeConstraint(QLayout::SetMaximumSize());

quaternionLayout->setSizeConstraint(QLayout::SetMaximumSize());

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Thanks in advance.