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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkCommand.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00204 #ifndef vtkCommand_h
00205 #define vtkCommand_h
00206 
00207 #include "vtkCommonCoreModule.h" // For export macro
00208 #include "vtkObjectBase.h"
00209 #include "vtkObject.h" // Need vtkTypeMacro
00210 
00211 // Define all types of events here.
00212 // Using this macro makes it possible to avoid mismatches between the event
00213 // enums and their string counterparts.
00214 #define vtkAllEventsMacro() \
00215     _vtk_add_event(AnyEvent)\
00216     _vtk_add_event(DeleteEvent)\
00217     _vtk_add_event(StartEvent)\
00218     _vtk_add_event(EndEvent)\
00219     _vtk_add_event(RenderEvent)\
00220     _vtk_add_event(ProgressEvent)\
00221     _vtk_add_event(PickEvent)\
00222     _vtk_add_event(StartPickEvent)\
00223     _vtk_add_event(EndPickEvent)\
00224     _vtk_add_event(AbortCheckEvent)\
00225     _vtk_add_event(ExitEvent)\
00226     _vtk_add_event(LeftButtonPressEvent)\
00227     _vtk_add_event(LeftButtonReleaseEvent)\
00228     _vtk_add_event(MiddleButtonPressEvent)\
00229     _vtk_add_event(MiddleButtonReleaseEvent)\
00230     _vtk_add_event(RightButtonPressEvent)\
00231     _vtk_add_event(RightButtonReleaseEvent)\
00232     _vtk_add_event(EnterEvent)\
00233     _vtk_add_event(LeaveEvent)\
00234     _vtk_add_event(KeyPressEvent)\
00235     _vtk_add_event(KeyReleaseEvent)\
00236     _vtk_add_event(CharEvent)\
00237     _vtk_add_event(ExposeEvent)\
00238     _vtk_add_event(ConfigureEvent)\
00239     _vtk_add_event(TimerEvent)\
00240     _vtk_add_event(MouseMoveEvent)\
00241     _vtk_add_event(MouseWheelForwardEvent)\
00242     _vtk_add_event(MouseWheelBackwardEvent)\
00243     _vtk_add_event(ActiveCameraEvent)\
00244     _vtk_add_event(CreateCameraEvent)\
00245     _vtk_add_event(ResetCameraEvent)\
00246     _vtk_add_event(ResetCameraClippingRangeEvent)\
00247     _vtk_add_event(ModifiedEvent)\
00248     _vtk_add_event(WindowLevelEvent)\
00249     _vtk_add_event(StartWindowLevelEvent)\
00250     _vtk_add_event(EndWindowLevelEvent)\
00251     _vtk_add_event(ResetWindowLevelEvent)\
00252     _vtk_add_event(SetOutputEvent)\
00253     _vtk_add_event(ErrorEvent)\
00254     _vtk_add_event(WarningEvent)\
00255     _vtk_add_event(StartInteractionEvent)\
00256         /*^ mainly used by vtkInteractorObservers*/\
00257     _vtk_add_event(InteractionEvent)\
00258     _vtk_add_event(EndInteractionEvent)\
00259     _vtk_add_event(EnableEvent)\
00260     _vtk_add_event(DisableEvent)\
00261     _vtk_add_event(CreateTimerEvent)\
00262     _vtk_add_event(DestroyTimerEvent)\
00263     _vtk_add_event(PlacePointEvent)\
00264     _vtk_add_event(PlaceWidgetEvent)\
00265     _vtk_add_event(CursorChangedEvent)\
00266     _vtk_add_event(ExecuteInformationEvent)\
00267     _vtk_add_event(RenderWindowMessageEvent)\
00268     _vtk_add_event(WrongTagEvent)\
00269     _vtk_add_event(StartAnimationCueEvent)\
00270         /*^ used by vtkAnimationCue*/ \
00271     _vtk_add_event(AnimationCueTickEvent)\
00272     _vtk_add_event(EndAnimationCueEvent)\
00273     _vtk_add_event(VolumeMapperRenderEndEvent)\
00274     _vtk_add_event(VolumeMapperRenderProgressEvent)\
00275     _vtk_add_event(VolumeMapperRenderStartEvent)\
00276     _vtk_add_event(VolumeMapperComputeGradientsEndEvent)\
00277     _vtk_add_event(VolumeMapperComputeGradientsProgressEvent)\
00278     _vtk_add_event(VolumeMapperComputeGradientsStartEvent)\
00279     _vtk_add_event(WidgetModifiedEvent)\
00280     _vtk_add_event(WidgetValueChangedEvent)\
00281     _vtk_add_event(WidgetActivateEvent)\
00282     _vtk_add_event(ConnectionCreatedEvent)\
00283     _vtk_add_event(ConnectionClosedEvent)\
00284     _vtk_add_event(DomainModifiedEvent)\
00285     _vtk_add_event(PropertyModifiedEvent)\
00286     _vtk_add_event(UpdateEvent)\
00287     _vtk_add_event(RegisterEvent)\
00288     _vtk_add_event(UnRegisterEvent)\
00289     _vtk_add_event(UpdateInformationEvent)\
00290     _vtk_add_event(AnnotationChangedEvent)\
00291     _vtk_add_event(SelectionChangedEvent)\
00292     _vtk_add_event(UpdatePropertyEvent)\
00293     _vtk_add_event(ViewProgressEvent)\
00294     _vtk_add_event(UpdateDataEvent)\
00295     _vtk_add_event(CurrentChangedEvent)\
00296     _vtk_add_event(ComputeVisiblePropBoundsEvent)\
00297     _vtk_add_event(TDxMotionEvent)\
00298       /*^ 3D Connexion device event */\
00299     _vtk_add_event(TDxButtonPressEvent)\
00300       /*^ 3D Connexion device event */\
00301     _vtk_add_event(TDxButtonReleaseEvent)\
00302       /* 3D Connexion device event */\
00303     _vtk_add_event(HoverEvent)\
00304     _vtk_add_event(LoadStateEvent)\
00305     _vtk_add_event(SaveStateEvent)\
00306     _vtk_add_event(StateChangedEvent)\
00307     _vtk_add_event(WindowMakeCurrentEvent)\
00308     _vtk_add_event(WindowIsCurrentEvent)\
00309     _vtk_add_event(WindowFrameEvent)\
00310     _vtk_add_event(HighlightEvent)\
00311     _vtk_add_event(WindowSupportsOpenGLEvent)\
00312     _vtk_add_event(WindowIsDirectEvent)\
00313     _vtk_add_event(UncheckedPropertyModifiedEvent)\
00314     _vtk_add_event(MessageEvent)
00315 
00316 #define vtkEventDeclarationMacro(_enum_name)\
00317   enum _enum_name{\
00318     NoEvent = 0,\
00319     vtkAllEventsMacro() \
00320     UserEvent = 1000\
00321   };
00322 
00323 
00324 // The superclass that all commands should be subclasses of
00325 class VTKCOMMONCORE_EXPORT vtkCommand : public vtkObjectBase
00326 {
00327 public:
00328   vtkTypeMacro(vtkCommand,vtkObjectBase);
00329 
00331 
00334   void UnRegister();
00335   virtual void UnRegister(vtkObjectBase *)
00336     { this->UnRegister(); }
00338 
00340 
00349   virtual void Execute(vtkObject *caller, unsigned long eventId,
00350                        void *callData) = 0;
00352 
00354 
00356   static const char *GetStringFromEventId(unsigned long event);
00357   static unsigned long GetEventIdFromString(const char *event);
00359 
00361 
00363   void SetAbortFlag(int f)
00364     { this->AbortFlag = f; }
00365   int GetAbortFlag()
00366     { return this->AbortFlag; }
00367   void AbortFlagOn()
00368     { this->SetAbortFlag(1); }
00369   void AbortFlagOff()
00370     { this->SetAbortFlag(0); }
00372 
00374 
00378   void SetPassiveObserver(int f)
00379     { this->PassiveObserver = f; }
00380   int GetPassiveObserver()
00381     { return this->PassiveObserver; }
00382   void PassiveObserverOn()
00383     { this->SetPassiveObserver(1); }
00384   void PassiveObserverOff()
00385     { this->SetPassiveObserver(0); }
00387 
00388 //BTX
00390 
00393 #define _vtk_add_event(Enum)  Enum,
00394   vtkEventDeclarationMacro(EventIds)
00395 #undef _vtk_add_event
00396 //ETX
00398 
00399 protected:
00400   int AbortFlag;
00401   int PassiveObserver;
00402 
00403   vtkCommand();
00404   virtual ~vtkCommand() {}
00405 
00406   friend class vtkSubjectHelper;
00407 //BTX
00408   vtkCommand(const vtkCommand& c) : vtkObjectBase(c) {}
00409   void operator=(const vtkCommand&) {}
00410 //ETX
00411 };
00412 
00413 #endif /* vtkCommand_h */
00414 
00415 // VTK-HeaderTest-Exclude: vtkCommand.h