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dox/Widgets/vtkBalloonWidget.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkBalloonWidget.h,v $
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 =========================================================================*/
00073 #ifndef __vtkBalloonWidget_h
00074 #define __vtkBalloonWidget_h
00075 
00076 #include "vtkHoverWidget.h"
00077 
00078 class vtkBalloonRepresentation;
00079 class vtkProp;
00080 class vtkAbstractPropPicker;
00081 class vtkStdString;
00082 class vtkPropMap;
00083 class vtkImageData;
00084 
00085 
00086 class VTK_WIDGETS_EXPORT vtkBalloonWidget : public vtkHoverWidget
00087 {
00088 public:
00090   static vtkBalloonWidget *New();
00091 
00093 
00094   vtkTypeRevisionMacro(vtkBalloonWidget,vtkHoverWidget);
00095   void PrintSelf(ostream& os, vtkIndent indent);
00097 
00101   virtual void SetEnabled(int);
00102 
00104 
00107   void SetRepresentation(vtkBalloonRepresentation *r)
00108     {this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));}
00110   
00112   void CreateDefaultRepresentation();
00113 
00115 
00117   void AddBalloon(vtkProp *prop, vtkStdString *str, vtkImageData *img);
00118   void AddBalloon(vtkProp *prop, const char *str, vtkImageData *img);
00119   void AddBalloon(vtkProp *prop, const char *str) //for wrapping
00120     {this->AddBalloon(prop,str,NULL);}
00121   void RemoveBalloon(vtkProp *prop);
00123   
00125 
00129   const char *GetBalloonString(vtkProp *prop);
00130   vtkImageData *GetBalloonImage(vtkProp *prop);
00132 
00134 
00136   virtual vtkProp *GetCurrentProp()
00137     {return this->CurrentProp;}
00139   
00141 
00145   void SetPicker(vtkAbstractPropPicker*);
00146   vtkGetObjectMacro(Picker,vtkAbstractPropPicker);
00148 
00149 protected:
00150   vtkBalloonWidget();
00151   ~vtkBalloonWidget();
00152 
00153   // This class implements the method called from its superclass.
00154   virtual int SubclassEndHoverAction();
00155   virtual int SubclassHoverAction();
00156   
00157   // Classes for managing balloons
00158   vtkPropMap *PropMap; //PIMPL'd map of (vtkProp,vtkStdString)
00159 
00160   // Support for picking
00161   vtkAbstractPropPicker *Picker;
00162 
00163   // The vtkProp that is being hovered over (which may be NULL)
00164   vtkProp *CurrentProp;
00165   
00166 private:
00167   vtkBalloonWidget(const vtkBalloonWidget&);  //Not implemented
00168   void operator=(const vtkBalloonWidget&);  //Not implemented
00169 };
00170 
00171 #endif

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