QSpectrumAnalyzerPersistence 0 0 250 130 Persistence - QSpectrumAnalyzer Decay function: decayFunctionComboBox 1 linear exponential Persistence length: persistenceLengthSpinBox 5 Qt::Vertical 20 5 Qt::Horizontal QDialogButtonBox::Cancel|QDialogButtonBox::Ok decayFunctionComboBox persistenceLengthSpinBox buttonBox buttonBox accepted() QSpectrumAnalyzerPersistence accept() 243 123 157 129 buttonBox rejected() QSpectrumAnalyzerPersistence reject() 243 123 249 129