fl_slider.h

guide and some example with visualC++

//
// "$Id: Fl_Slider.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $"
//
// Slider header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2002 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "[e-mail]".
//

#ifndef Fl_Slider_H
#define Fl_Slider_H

#ifndef Fl_Valuator_H
#include "Fl_Valuator.H"
#endif

// values for type(), lowest bit indicate horizontal:
#define FL_VERT_SLIDER		0
#define FL_HOR_SLIDER		1
#define FL_VERT_FILL_SLIDER	2
#define FL_HOR_FILL_SLIDER	3
#define FL_VERT_NICE_SLIDER	4
#define FL_HOR_NICE_SLIDER	5

class FL_EXPORT Fl_Slider : public Fl_Valuator {

  float slider_size_;
  uchar slider_;
  void _Fl_Slider();
  void draw_bg(int, int, int, int);

protected:

  // these allow subclasses to put the slider in a smaller area:
  void draw(int, int, int, int);
  int handle(int, int, int, int, int);

public:

  void draw();
  int handle(int);
  Fl_Slider(int x,int y,int w,int h, const char *l = 0);
  Fl_Slider(uchar t,int x,int y,int w,int h, const char *l);

  int scrollvalue(int windowtop,int windowsize,int first,int totalsize);
  void bounds(double a, double b);
  float slider_size() const {return slider_size_;}
  void slider_size(double v);
  Fl_Boxtype slider() const {return (Fl_Boxtype)slider_;}
  void slider(Fl_Boxtype c) {slider_ = c;}
};

#endif

//
// End of "$Id: Fl_Slider.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $".
//