ViewConfigurationClass 0 0 275 389 Configure DPI Correction QLayout::SetMinimumSize 0 0 Correction 0 0 On some operating systems and configurations, the view's "native size" setting does not reflect the real size of the device. The following two approaches can be used to correct this issue. true Monitor Values The correction factor can be calculated with the help of your monitor's diagonal in inches. Enter the correct value. true Diagonal in inches 0 0 Manual Correction The line should have exactly the width given below. If not, use the slider to fix the width. true 0 0 10 cm true 4 inch 0 0 16777215 15 QFrame::NoFrame QFrame::Plain 0 Qt::ScrollBarAlwaysOff Qt::ScrollBarAlwaysOff true 0 0 217 16 50 200 100 Qt::Horizontal Qt::Horizontal 40 20 Correction factor 0 0 Qt::Horizontal 40 20 Exit