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dox/Rendering/vtkXRenderWindowInteractor.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkXRenderWindowInteractor.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 =========================================================================*/
00035 #ifndef __vtkXRenderWindowInteractor_h
00036 #define __vtkXRenderWindowInteractor_h
00037 
00038 //===========================================================
00039 // now we define the C++ class
00040 
00041 #include "vtkRenderWindowInteractor.h"
00042 #include <X11/StringDefs.h> // Needed for X types in the public interface
00043 #include <X11/Intrinsic.h> // Needed for X types in the public interface
00044 
00045 class vtkCallbackCommand;
00046 class vtkXRenderWindowInteractorInternals;
00047 
00048 //BTX
00049 // Forward declare internal friend functions.
00050 void vtkXRenderWindowInteractorCallback(Widget,XtPointer, XEvent *,Boolean *);
00051 void vtkXRenderWindowInteractorTimer(XtPointer,XtIntervalId *);
00052 //ETX
00053 
00054 class VTK_RENDERING_EXPORT vtkXRenderWindowInteractor : public vtkRenderWindowInteractor
00055 {
00056 public:
00057   static vtkXRenderWindowInteractor *New();
00058   vtkTypeRevisionMacro(vtkXRenderWindowInteractor,vtkRenderWindowInteractor);
00059   void PrintSelf(ostream& os, vtkIndent indent);
00060 
00064   virtual void Initialize();
00065 
00067   void TerminateApp(void) { exit(0); }
00068 
00070 
00073   vtkSetMacro(BreakLoopFlag, int);
00074   vtkGetMacro(BreakLoopFlag, int);
00075   vtkBooleanMacro(BreakLoopFlag, int);
00077 
00079 
00081   virtual void Initialize(XtAppContext app);
00082   vtkGetMacro( App, XtAppContext );
00084   
00086 
00093   virtual void Enable();
00094   virtual void Disable();
00096 
00100   virtual void Start();
00101 
00104   virtual void UpdateSize(int,int);
00105 
00107 
00121   virtual void SetWidget(Widget);
00122   Widget GetWidget() {return this->Top;};
00124   
00126 
00150   virtual void SetTopLevelShell(Widget);
00151   Widget GetTopLevelShell() {return this->TopLevelShell;};
00153   
00156   virtual void GetMousePosition(int *x, int *y); 
00157 
00159 
00160   friend void vtkXRenderWindowInteractorCallback(Widget,XtPointer,
00161                                                  XEvent *,Boolean *);
00162   friend void vtkXRenderWindowInteractorTimer(XtPointer,XtIntervalId *);
00164 
00165 protected:
00166   vtkXRenderWindowInteractor();
00167   ~vtkXRenderWindowInteractor();
00168 
00169   //Using static here to avoid detroying context when many apps are open:
00170   static XtAppContext App;
00171   static int NumAppInitialized;
00172 
00173   Display *DisplayId;
00174   Window WindowId;
00175   Atom KillAtom;
00176   Widget Top;
00177   int OwnTop;
00178   int OwnApp;
00179   int PositionBeforeStereo[2];
00180   Widget TopLevelShell;
00181   int TimerId;
00182   vtkXRenderWindowInteractorInternals* Internal;
00183 
00185 
00187   virtual int InternalCreateTimer(int timerId, int timerType, unsigned long duration);
00188   virtual int InternalDestroyTimer(int platformTimerId);
00190 
00191   int BreakLoopFlag;
00192   XtIntervalId AddTimeOut(XtAppContext app_context, unsigned long interval,
00193                           XtTimerCallbackProc proc, XtPointer client_data) ;
00194   void Timer(XtPointer client_data, XtIntervalId *id); 
00195   void Callback(Widget w, XtPointer client_data, XEvent *event, Boolean *ctd);
00196 
00197   vtkCallbackCommand* BreakXtLoopCallback;
00198   static void BreakXtLoop(vtkObject*, unsigned long, void*, void*);
00199 
00200 private:
00201   vtkXRenderWindowInteractor(const vtkXRenderWindowInteractor&);  // Not implemented.
00202   void operator=(const vtkXRenderWindowInteractor&);  // Not implemented.
00203 };
00204 
00205 #endif

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