Dsum 0 0 400 300 Dialog 9 214 156 23 Qt::Horizontal QDialogButtonBox::Cancel|QDialogButtonBox::Ok 22 60 133 20 22 137 133 20 344 16777215 9 60 16 16 A A 9 137 16 16 B b 210 140 19 16 sum 230 60 75 23 Sum buttonBox accepted() Dsum accept() 248 254 157 274 buttonBox rejected() Dsum reject() 316 260 286 274