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

Copyright (c) 1998-2003 Kitware Inc. 469 Clifton Corporate Parkway,
Clifton Park, NY, 12065, USA.
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * 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''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
// .NAME vtkKWSplashScreen - a splash dialog.
// .SECTION Description
// A class for displaying splash screen.

#ifndef __vtkKWSplashScreen_h
#define __vtkKWSplashScreen_h

#include "vtkKWWidget.h"
class vtkKWApplication;

class VTK_EXPORT vtkKWSplashScreen : public vtkKWWidget
{
public:
  static vtkKWSplashScreen* New();
  vtkTypeRevisionMacro(vtkKWSplashScreen,vtkKWWidget);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Create a Tk widget
  virtual void Create(vtkKWApplication *app, const char *args);

  // Description:
  // Show/Hide the splash screen
  void Show();
  void Hide();
  
  // Description:
  // Set the text of the progress message
  void SetProgressMessage(const char *);
  
  // Description:
  // Set/Get the offset of the progress message (negative value means
  // offset from the bottom of the splash, positive value from the top)
  virtual void SetProgressMessageVerticalOffset(int);
  vtkGetMacro(ProgressMessageVerticalOffset, int);

  // Description:
  // Set/Get the name of the splash image (Tk image name)
  vtkGetStringMacro(ImageName);
  virtual void SetImageName(const char*);
  
protected:
  vtkKWSplashScreen();
  ~vtkKWSplashScreen();

  vtkKWWidget *Canvas;
  char *ImageName;
  int ProgressMessageVerticalOffset;

  void UpdateCanvasSize();
  void UpdateProgressMessagePosition();

private:
  vtkKWSplashScreen(const vtkKWSplashScreen&); // Not implemented
  void operator=(const vtkKWSplashScreen&); // Not implemented
};


#endif



