Originally I had two QRadioButtons withing Layout which in the end were no exclusive. Therefore I try to add them to a QButtonGroup. Unfortinately I could find no example or these were for Qt3.

If there is a possibility to do all this mainly within the designer that would be great, but I dont know how. So in case please let me know.

This is what I coded so far. But in the end it fails because the QButtonGroup is no widget and I have no idea to add it to the layout.

Qt Code: 
  1. radioButtonNoFFT = new QRadioButton(this);
  2.     radioButtonNoFFT->setObjectName(QString::fromUtf8("radioButtonNoFFT"));
  3.     radioButtonNoFFT->setChecked(true);  
  4.  
  5.     radioButtonFFT = new QRadioButton(this);
  6.     radioButtonFFT->setObjectName(QString::fromUtf8("radioButtonFFT"));
  7.  
  8. 	buttongroup = new QButtonGroup(this);
  9. 	buttongroup->addButton(radioButtonNoFFT);
  10. 	buttongroup->addButton(radioButtonFFT);
  11.  
  12. 	gridLayoutButtonGroup = new QGridLayout(this);
  13.     gridLayoutButtonGroup->setObjectName(QString::fromUtf8("gridLayoutButtonGroup"));
  14. 	gridLayoutButtonGroup->addWidget(buttongroup);
  15.  
  16.     gridLayout->addLayout(gridLayoutButtonGroup, 1, 0, 1, 1);
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