QGroupBox size problem

[franz]

QWidget *parent = new QWidget(this);
QHBoxLayout *layout = new QHBoxLayout;
parent->setLayout(layout);

QWidget *parent = new QWidget(this);
QHBoxLayout *layout = new QHBoxLayout;
parent->setLayout(layout);

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This binds the size of the layout to it's containing widget. Is that what you need?

[MarkoSan]

QWidget *parent = new QWidget(this);
QHBoxLayout *layout = new QHBoxLayout;
parent->setLayout(layout);

QWidget *parent = new QWidget(this);
QHBoxLayout *layout = new QHBoxLayout;
parent->setLayout(layout);

To copy to clipboard, switch view to plain text mode 

This binds the size of the layout to it's containing widget. Is that what you need?

. I forgot to create main layout for parent window! What a stupido! Thanks for guideline!