vtkKWDragAndDropTargetSet.h

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/*=========================================================================

  Module:    $RCSfile: vtkKWDragAndDropTargetSet.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkKWDragAndDropTargetSet_h
#define __vtkKWDragAndDropTargetSet_h

#include "vtkKWObject.h"

class vtkKWWidget;
class vtkKWDragAndDropTargetSetInternals;

class KWWidgets_EXPORT vtkKWDragAndDropTargetSet : public vtkKWObject
{
// @cond section_public
public:
  static vtkKWDragAndDropTargetSet* New();
  vtkTypeRevisionMacro(vtkKWDragAndDropTargetSet,vtkKWObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetEnable(int);
  vtkBooleanMacro(Enable, int);
  vtkGetMacro(Enable, int);


  virtual void SetSource(vtkKWWidget*);
  vtkGetObjectMacro(Source, vtkKWWidget);


  virtual void SetSourceAnchor(vtkKWWidget*);
  vtkGetObjectMacro(SourceAnchor, vtkKWWidget);


  virtual int AddTarget(vtkKWWidget *target);
  virtual int RemoveTarget(vtkKWWidget *target);
  virtual int HasTarget(vtkKWWidget *target);
  virtual int GetNumberOfTargets();


  virtual int SetTargetStartCommand(
    vtkKWWidget *target, vtkObject *object, const char *method);
  virtual int SetTargetPerformCommand(
    vtkKWWidget *target, vtkObject *object, const char *method);
  virtual int SetTargetEndCommand(
    vtkKWWidget *target, vtkObject *object, const char *method);


  virtual void SetStartCommand(vtkObject *object, const char *method);
  virtual void SetPerformCommand(vtkObject *object, const char *method);
  virtual void SetEndCommand(vtkObject *object, const char *method);


  virtual void StartCallback(int x, int y);
  virtual void PerformCallback(int x, int y);
  virtual void EndCallback(int x, int y);

// @endcond
// @cond section_protected
protected:
  vtkKWDragAndDropTargetSet();
  ~vtkKWDragAndDropTargetSet();

  // Drag and Drop

  //BTX

  class TargetSlot
  {
  public:
    vtkKWWidget *Target;
    char *StartCommand;
    char *PerformCommand;
    char *EndCommand;

    void SetStartCommand(const char*);
    void SetEndCommand(const char*);
    void SetPerformCommand(const char*);

    TargetSlot();
    ~TargetSlot();
  };

  // PIMPL Encapsulation for STL containers

  vtkKWDragAndDropTargetSetInternals *Internals;
  friend class vtkKWDragAndDropTargetSetInternals;

  TargetSlot* GetTarget(vtkKWWidget *target);

  //ETX

  int Enable;

  vtkKWWidget *SourceAnchor;
  vtkKWWidget *Source;

  char *StartCommand;
  char *PerformCommand;
  char *EndCommand;
  virtual void InvokeCommandWithCoordinates(const char *command, int x, int y);
  virtual void InvokeStartCommand(int x, int y);
  virtual void InvokePerformCommand(int x, int y);
  virtual void InvokeEndCommand(int x, int y);

  virtual void AddBindings();
  virtual void RemoveBindings();
  virtual void DeleteAllTargets();

// @endcond
// @cond section_private
private:
  
  vtkKWDragAndDropTargetSet(const vtkKWDragAndDropTargetSet&); // Not implemented
  void operator=(const vtkKWDragAndDropTargetSet&); // Not implemented
};

#endif
// @endcond

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