How to completely disable or hide Back button in QWizard?

Question

I want to disable or hide Back button in QWizard dialog. How can I do it?

Answer 1

I've looked at Qt's sources and found out that it's possible to hide Back button by creating custom button layout and ommiting Back button in the list:

  QList<QWizard::WizardButton> button_layout;
  button_layout << QWizard::HelpButton << QWizard::Stretch <<
                   QWizard::NextButton << QWizard::CustomButton1 <<
                   QWizard::CancelButton;
  this->setButtonLayout(button_layout);

I hope this will save some time to somebody.

P.S.

AFAIU to avoid using QTimer it is needed to modify QWizard source code. The easies way will be to add a virtual function virtual void buttonsUpdated(); and call it from the end of QWizard's: void QWizardPrivate::_q_updateButtonStates() Then reimplement this buttonsUpdated() in your QWizard sublass and disable Back button there.

Answer 2

Calling

QWizard::button(QWizard::BackButton).hide()

in

QWizard::onCurrentIdChanged(int)

worked for me (in PyQt4).

This effectively hides the back button again on every wizard page, but it achieves the desired effect.