fltk/FL/Fl_Scroll.H

//
// "$Id$"
//
// Scroll header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 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 on the following page:
//
//     http://www.fltk.org/str.php
//

#ifndef Fl_Scroll_H
#define Fl_Scroll_H

#include "Fl_Group.H"
#include "Fl_Scrollbar.H"

class FL_EXPORT Fl_Scroll : public Fl_Group {

  int xposition_, yposition_;
  int width_, height_;
  int oldx, oldy;
  static void hscrollbar_cb(Fl_Widget*, void*);
  static void scrollbar_cb(Fl_Widget*, void*);
  void fix_scrollbar_order();
  static void draw_clip(void*,int,int,int,int);
  void bbox(int&,int&,int&,int&);

protected:

  void draw();

public:

  Fl_Scrollbar scrollbar;
  Fl_Scrollbar hscrollbar;

  void resize(int,int,int,int);
  int handle(int);

  Fl_Scroll(int X,int Y,int W,int H,const char*l=0);

  enum { // values for type()
    HORIZONTAL = 1,
    VERTICAL = 2,
    BOTH = 3,
    ALWAYS_ON = 4,
    HORIZONTAL_ALWAYS = 5,
    VERTICAL_ALWAYS = 6,
    BOTH_ALWAYS = 7
  };

  int xposition() const {return xposition_;}
  int yposition() const {return yposition_;}
  void position(int, int);
  void clear();
};

#endif

//
// End of "$Id$".
//