background gradient with stylesheets

[Lykurg]

A possible paintEvent would look like:

void MyPushButton::paintEvent(QPaintEvent* event)
{
    Q_UNUSED(event);
    QStylePainter painter(this);
    QStyleOptionButton option;
    initStyleOption(&option);
    option.state &= ~QStyle::State_HasFocus;
    painter.drawControl(QStyle::CE_PushButton, option);
}

void MyPushButton::paintEvent(QPaintEvent* event)
{
    Q_UNUSED(event);
    QStylePainter painter(this);
    QStyleOptionButton option;
    initStyleOption(&option);
    option.state &= ~QStyle::State_HasFocus;
    painter.drawControl(QStyle::CE_PushButton, option);
}

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Or try to use style sheet with ":focus":

QPushButton:focus{
  border: 0;
}

QPushButton:focus{
  border: 0;
}

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