- connect(m_defaultSizeSlider, SIGNAL(valueChanged(int)), this, SIGNAL(changed()));
- connect(m_previewSizeSlider, SIGNAL(valueChanged(int)), this, SIGNAL(changed()));
- connect(m_fontRequester, SIGNAL(changed()), this, SIGNAL(changed()));
+ connect(m_defaultSizeSlider, &QSlider::valueChanged, this, &ViewSettingsTab::changed);
+ connect(m_previewSizeSlider, &QSlider::valueChanged, this, &ViewSettingsTab::changed);
+ connect(m_fontRequester, &DolphinFontRequester::changed, this, &ViewSettingsTab::changed);