+ /// Signal about an operation is started. It is emitted after the start() of operation is done.
+ void operationStarted();
+ /// Signal about an operation is stopped. It is emitted after the stop() of operation is done.
+ /// \param theOperation a stopped operation
+ void operationStopped(ModuleBase_Operation* theOperation);
+ /// Signal about an operation is resumed. It is emitted after the resume() of operation is done.
+ void operationResumed();
+ /// Signal about the necessety of the next widget activating
+ /// \param theWidget the model widget
+ void activateNextWidget(ModuleBase_ModelWidget* theWidget);