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

  Program:   Visualization Toolkit
  Module:    vtkKWLabel.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

Copyright (c) 2000-2001 Kitware Inc. 469 Clifton Corporate Parkway,
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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,
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 * 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
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
// .NAME vtkKWLabel - label widget
// .SECTION Description
// A simple widget that represents a label. The label can be set with 
// the SetLabel method.

#ifndef __vtkKWLabel_h
#define __vtkKWLabel_h

#include "vtkKWWidget.h"
class vtkKWApplication;

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

  // Description:
  // Create a Tk widget
  virtual void Create(vtkKWApplication *app, const char *args);
  
  const char* GetLabel() 
    {
      return this->Label;
    }

  // Description:
  // Set the text on the label.
  void SetLabel(const char*);

  // Description:
  // Set the way label treats long text. 
  // Multiline will wrap text. You have to specify width
  // when using multiline label.
  void SetLineType(int type);

  // Description:
  // Set/Get width of the label when in multiline mode.
  vtkSetMacro(Width, int);
  vtkGetMacro(Width, int);

  // Description:
  // Adjust the -wraplength argument so that it matches the width of
  // the widget automatically (through the <Configure> event).
  virtual void SetAdjustWrapLengthToWidth(int);
  vtkGetMacro(AdjustWrapLengthToWidth, int);
  vtkBooleanMacro(AdjustWrapLengthToWidth, int);
  void AdjustWrapLengthToWidthCallback();

//BTX
  enum {
    SingleLine,
    MultiLine
  };
//ETX

protected:
  vtkKWLabel();
  ~vtkKWLabel();

private:
  char* Label;
  int LineType;
  int Width;
  int AdjustWrapLengthToWidth;
  vtkKWLabel(const vtkKWLabel&); // Not implemented
  void operator=(const vtkKWLabel&); // Not implemented
};


#endif


