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 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither the name of Kitware nor the names of any contributors may be used
   to endorse or promote products derived from this software without specific
   prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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=========================================================================*/
// .NAME vtkKWTclInteractor - a KW version of interactor.tcl
// .SECTION Description
// A widget to interactively execute Tcl commands

#ifndef __vtkKWTclInteractor_h
#define __vtkKWTclInteractor_h

#include "vtkKWWidget.h"
class vtkKWApplication;
class vtkKWPushButton;
class vtkKWEntry;
class vtkKWLabel;
class vtkKWText;
class vtkKWWindow;

class VTK_EXPORT vtkKWTclInteractor : public vtkKWWidget
{
public:
  static vtkKWTclInteractor* New();
  vtkTypeRevisionMacro(vtkKWTclInteractor, vtkKWWidget);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  // Description:
  // Create a Tk widget
  virtual void Create(vtkKWApplication *app);
  
  // Description:
  // Display the interactor
  void Display();

  // Description:
  // Evaluate the tcl string
  void Evaluate();

  // Description:
  // Set and get the title of the TclInteractor to appear in the titlebar
  vtkSetStringMacro(Title);
  vtkGetStringMacro(Title);
  
  // Description:
  // Callback for the down arrow key
  void DownCallback();
  
  // Description:
  // Callback for the up arrow key
  void UpCallback();

  // Description:
  // Set the window to which the dialog will be slave.
  // If set, this dialog will always be on top of the master
  // window and will minimize with it (assuming that the windowing
  // system supports this)
  void SetMasterWindow(vtkKWWindow* win);
  
  // Description:
  // Append text to the display window. Can be used for sending
  // debugging information to the command prompt when no standard
  // output is available.
  void AppendText(const char* text);

protected:
  vtkKWTclInteractor();
  ~vtkKWTclInteractor();

  vtkKWWindow* MasterWindow;

  vtkKWWidget *ButtonFrame;
  vtkKWPushButton *DismissButton;
  vtkKWWidget *CommandFrame;
  vtkKWLabel *CommandLabel;
  vtkKWEntry *CommandEntry;
  vtkKWWidget *DisplayFrame;
  vtkKWText *DisplayText;
  vtkKWWidget *DisplayScrollBar;
  
  char *Title;
  int TagNumber;
  int CommandIndex;
private:
  vtkKWTclInteractor(const vtkKWTclInteractor&); // Not implemented
  void operator=(const vtkKWTclInteractor&); // Not implemented
};

#endif

