X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModuleBase%2FModuleBase_IModule.h;h=ac70964372e9bc16625a6602e8d3bb868a4fcbbf;hb=8cd56d486b6e96b8814002f9f0f4acadd6cea11b;hp=41dbd684462e1261a6eab851b42cb66dc554199f;hpb=f34fba2433c87ccdf824df0dc8c34099054b1715;p=modules%2Fshaper.git

diff --git a/src/ModuleBase/ModuleBase_IModule.h b/src/ModuleBase/ModuleBase_IModule.h
index 41dbd6844..ac7096437 100755
--- a/src/ModuleBase/ModuleBase_IModule.h
+++ b/src/ModuleBase/ModuleBase_IModule.h
@@ -203,6 +203,18 @@ class MODULEBASE_EXPORT ModuleBase_IModule : public QObject
   /// \param thePreviousState the previous state of the widget
   virtual void widgetStateChanged(int thePreviousState) {};
 
+  /// Returns true if the event is processed.
+  /// \param thePreviousAttributeID an index of the previous active attribute
+  virtual bool processEnter(const std::string& thePreviousAttributeID) { return false; };
+
+  /// Performs some GUI actions after an operation transaction is opened
+  /// Default realization is empty
+  virtual void beforeOperationStarted(ModuleBase_Operation* theOperation) {};
+
+  /// Performs some GUI actions before an operation transaction is stopped
+  /// Default realization is empty
+  virtual void beforeOperationStopped(ModuleBase_Operation* theOperation) {};
+
 signals:
   /// Signal which is emitted when operation is launched
   void operationLaunched();