//// "$Id: Fl_Positioner.H,v 1.1.1.1 2003/08/07 21:18:38 jasonk Exp $"//// Positioner header file for the Fast Light Tool Kit (FLTK).//// Copyright 1998-1999 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 "fltk-bugs@easysw.com".//#ifndef Fl_Positioner_H#define Fl_Positioner_H#ifndef Fl_Widget_H#include "Fl_Widget.H"#endifclass Fl_Positioner : public Fl_Widget {  double xmin, ymin;  double xmax, ymax;  double xvalue_, yvalue_;  double xstep_, ystep_;protected:  // these allow subclasses to put the dial in a smaller area:  FL_EXPORT void draw(int, int, int, int);  FL_EXPORT int handle(int, int, int, int, int);  FL_EXPORT void draw();public:  FL_EXPORT int handle(int);  FL_EXPORT Fl_Positioner(int x,int y,int w,int h, const char *l=0);  double xvalue() const {return xvalue_;}  double yvalue() const {return yvalue_;}  FL_EXPORT int xvalue(double);  FL_EXPORT int yvalue(double);  FL_EXPORT int value(double,double);  FL_EXPORT void xbounds(double, double);  double xminimum() const {return xmin;}  void xminimum(double a) {xbounds(a,xmax);}  double xmaximum() const {return xmax;}  void xmaximum(double a) {xbounds(xmin,a);}  FL_EXPORT void ybounds(double, double);  double yminimum() const {return ymin;}  void yminimum(double a) {ybounds(a,ymax);}  double ymaximum() const {return ymax;}  void ymaximum(double a) {ybounds(ymin,a);}  void xstep(double a) {xstep_ = a;}  void ystep(double a) {ystep_ = a;}};#endif//// End of "$Id: Fl_Positioner.H,v 1.1.1.1 2003/08/07 21:18:38 jasonk Exp $".//