m_previewSizeSlider = new QSlider(0, 5, 1, 0, Qt::Horizontal, previewSizeHBox);
m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
this, SLOT(updatePreviewSize(int)));
m_previewSizeSlider = new QSlider(0, 5, 1, 0, Qt::Horizontal, previewSizeHBox);
m_previewSizeSlider->setValue(sliderValue(settings->previewSize()));
m_previewSizeSlider->setTickmarks(QSlider::TicksBelow);
connect(m_previewSizeSlider, SIGNAL(valueChanged(int)),
this, SLOT(updatePreviewSize(int)));