SmoothPolylineDialog 0 0 300 150 Smooth polyline (Chaikin) Ratio (strength) 0.010000000000000 0.490000000000000 0.010000000000000 0.250000000000000 iterations 1 10 5 Qt::Horizontal QDialogButtonBox::Cancel|QDialogButtonBox::Ok Qt::Vertical 20 40 buttonBox accepted() SmoothPolylineDialog accept() 248 254 157 274 buttonBox rejected() SmoothPolylineDialog reject() 316 260 286 274