vtkInteractorEventRecorder.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkInteractorEventRecorder_h
#define vtkInteractorEventRecorder_h
 
#include "vtkInteractorObserver.h"
#include "vtkRenderingCoreModule.h" // For export macro
 
#include "vtkNew.h" // vtkNew
 
VTK_ABI_NAMESPACE_BEGIN
 
class vtkActor2D;
class vtkStringArray;
 
// The superclass that all commands should be subclasses of
class VTKRENDERINGCORE_EXPORT vtkInteractorEventRecorder : public vtkInteractorObserver
{
public:
  static vtkInteractorEventRecorder* New();
  vtkTypeMacro(vtkInteractorEventRecorder, vtkInteractorObserver);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  // enumeration of data type
  enum class vtkEventDataType : int
  {
    None = 0,
    StringArray
  };
 
  // Satisfy the superclass API. Enable/disable listening for events.
  void SetEnabled(int) override;
  void SetInteractor(vtkRenderWindowInteractor* iren) override;
 
 
  vtkSetFilePathMacro(FileName);
  vtkGetFilePathMacro(FileName);
 
  void Record();
 
  void Play();
 
  void Stop();
 
  void Clear();
 
  void Rewind();
 
 
  vtkSetMacro(ReadFromInputString, vtkTypeBool);
  vtkGetMacro(ReadFromInputString, vtkTypeBool);
  vtkBooleanMacro(ReadFromInputString, vtkTypeBool);
 
 
  vtkSetStringMacro(InputString);
  vtkGetStringMacro(InputString);
 
 
  vtkSetMacro(ShowCursor, bool);
  vtkGetMacro(ShowCursor, bool);
  vtkBooleanMacro(ShowCursor, bool);
 
protected:
  vtkInteractorEventRecorder();
  ~vtkInteractorEventRecorder() override;
 
  // file to read/write from
  char* FileName;
 
  // listens to delete events
  vtkCallbackCommand* DeleteEventCallbackCommand;
 
  // control whether to read from string
  vtkTypeBool ReadFromInputString;
  char* InputString;
 
  // for reading and writing
  istream* InputStream;
  ostream* OutputStream;
 
  // methods for processing events
  static void ProcessCharEvent(
    vtkObject* object, unsigned long event, void* clientdata, void* calldata);
  static void ProcessDeleteEvent(
    vtkObject* object, unsigned long event, void* clientdata, void* calldata);
  static void ProcessEvents(
    vtkObject* object, unsigned long event, void* clientdata, void* calldata);
 
  virtual void WriteEvent(const char* event, int pos[2], int modifiers, int keyCode,
    int repeatCount, char* keySym, void* callData = nullptr);
 
  virtual void ReadEvent(const std::string& line);
 
  // Manage the state of the recorder
  int State;
  enum WidgetState
  {
    Start = 0,
    Playing,
    Recording
  };
 
  // Associate a modifier with a bit
  enum ModifierKey
  {
    ShiftKey = 1,
    ControlKey = 2,
    AltKey = 4
  };
 
  static float StreamVersion;
  float CurrentStreamVersion;
 
private:
  vtkInteractorEventRecorder(const vtkInteractorEventRecorder&) = delete;
  void operator=(const vtkInteractorEventRecorder&) = delete;
 
  bool ShowCursor = false;
  vtkNew<vtkActor2D> CursorActor;
};
 
VTK_ABI_NAMESPACE_END
#endif /* vtkInteractorEventRecorder_h */