void legatize_button_clicked()
ArdourWidgets::ArdourButton legatize_button
void quantize_button_clicked()
ArdourWidgets::ArdourButton quantize_button
void transform_button_clicked()
ArdourWidgets::ArdourButton transform_button
~MidiRegionOperationsBox()
PBD::ScopedConnectionList editor_connections
MidiRegionOperationsBox()
PBD::ScopedConnectionList region_property_connections