How to disable NextButton in QWizard ?

[litroncn]

Hi!

I am working in Qt 4.3 and have created four pages. In the second page, it has a start pushbutton which is used to calibrate cards. I want to make the start pushbutton enabled and the Qwizard NextButton disabled when initialized. To do this I tried to disable the button in the initializePage() or QWizard’s nextId() funtion, but both do not work.

In Qwizard::nextId():

button(Qwizard::NextButton)->setEnabled(false);

button(Qwizard::NextButton)->setEnabled(false);

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In QwizardPage::initializePage():

QabstractButton *btn = parentHandle->button(Qwizard::NextButton);
Btn->setEnabled(false);

QabstractButton *btn = parentHandle->button(Qwizard::NextButton);
Btn->setEnabled(false);

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After I called wizard->show(), I do the following:

wizard->button(Qwizard::NextButton)->setEnabled(false);

wizard->button(Qwizard::NextButton)->setEnabled(false);

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This can disable the QWizard’s NextButton, but if I call it before wizard->show(), it does not work.
If I connect the start pushbutton click signal to a slot, which is to disable the Qwizard’s NextButton, when I click the button it can disable the QWizard’s NextButton. However, I don’t want it to be disabled when I click the button, only when it is initialized.

Any suggestion will be greatly appreciate!

[wysota]

Take a look at the docs of QWizardPage::isComplete().

[litroncn]

Thanks a million, It solved my problem, i did the following:

bool QWizardPage::isComplete()const
{
    if (startPushButton->isEnabled()) {
    return false;
    } else {
    return true;
    }
}

bool QWizardPage::isComplete()const
{
    if (startPushButton->isEnabled()) {
    return false;
    } else {
    return true;
    }
}

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I am puzzled why I can't disable the QWizard's NextButton in QWizardPage::initializePage(). I did the following:

QAbstractButton *button = wizard()->button(QWizard::NextButton);
button->setEnabled(false);

QAbstractButton *button = wizard()->button(QWizard::NextButton);
button->setEnabled(false);

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If you have any suggestions why this is the case, I'd be interested to hear the reason!
Any help would be appreciated!

[wysota]

Maybe the button gets enabled right after you disable it?