Qt scrollArea not scrolling content

Kris Revi

So i added the scrollArea in the QtDesigner named scrollAreaPalettes
Then i populate the scrollArea in code with buttons

    QVBoxLayout *vlayout = new QVBoxLayout;
    ui->scrollAreaPalettes->setLayout(vlayout);

    for (auto v : value)
    {
        QString paletteName = v.toObject().value("Name").toString();
        QString paletteImage = v.toObject().value("imageURL").toString();
        QJsonArray palettePalette = v.toObject().value("palette").toArray();

        QPushButton *button = new QPushButton;

        button->setObjectName(paletteName);
        button->setText(paletteName);
        button->setCursor(Qt::PointingHandCursor);
        button->setMinimumHeight(46);
        button->setMaximumHeight(46);
        button->setStyleSheet("border-image: url("+paletteImage+") 0 0 0 0 stretch stretch;margin-right:17px;margin-bottom:17px;");

        connect(button, &QPushButton::clicked, [=]() { socket.sendBinary("paletteNew", palettePalette); qDebug() << "Palette Data Size : " << palettePalette.size(); });

        vlayout->addWidget(button);

    }

But no matter how many elements i add the scrollbar never activates it just keeps squishing the elements down to fit in the scrollArea window :S

Kris Revi

got it working by some intense gooooooogling

Entire code:

    QWidget *widget = new QWidget();
    QVBoxLayout *vlayout = new QVBoxLayout(widget);

    ui->scrollAreaPalettes->setWidget(widget);

    for (auto v : value)
    {
        QString paletteName = v.toObject().value("Name").toString();
        QString paletteImage = v.toObject().value("imageURL").toString();
        QJsonArray palettePalette = v.toObject().value("palette").toArray();

        QPushButton *button = new QPushButton;

        button->setObjectName(paletteName);
        button->setText(paletteName);
        button->setCursor(Qt::PointingHandCursor);
        button->setMinimumHeight(46);
        button->setMaximumHeight(46);
        button->setStyleSheet("border-image: url("+paletteImage+") 0 0 0 0 stretch stretch;margin-right:17px;margin-bottom:17px;");

        connect(button, &QPushButton::clicked, [=]() { socket.sendBinary("paletteNew", palettePalette); qDebug() << "Palette Data Size : " << palettePalette.size(); });

        vlayout->addWidget(button);
    }

Changes:

// Added
QWidget *widget = new QWidget();

// Changed
QVBoxLayout *vlayout = new QVBoxLayout;
// To 
QVBoxLayout *vlayout = new QVBoxLayout(widget);

//Changed
ui->scrollAreaPalettes->setLayout(vlayout);
// To
ui->scrollAreaPalettes->setWidget(widget);