76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
//
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// "$Id: Fl_Positioner.H,v 1.4 1999/01/07 19:17:00 mike Exp $"
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//
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// Positioner header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-1999 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@easysw.com".
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//
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#ifndef Fl_Positioner_H
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#define Fl_Positioner_H
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#ifndef Fl_Widget_H
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#include "Fl_Widget.H"
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#endif
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class Fl_Positioner : public Fl_Widget {
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double xmin, ymin;
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double xmax, ymax;
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double xvalue_, yvalue_;
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double xstep_, ystep_;
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protected:
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// these allow subclasses to put the dial in a smaller area:
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void draw(int, int, int, int);
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int handle(int, int, int, int, int);
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void draw();
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public:
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int handle(int);
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Fl_Positioner(int x,int y,int w,int h, const char *l=0);
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double xvalue() const {return xvalue_;}
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double yvalue() const {return yvalue_;}
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int xvalue(double);
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int yvalue(double);
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int value(double,double);
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void xbounds(double, double);
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double xminimum() const {return xmin;}
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void xminimum(double a) {xbounds(a,xmax);}
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double xmaximum() const {return xmax;}
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void xmaximum(double a) {xbounds(xmin,a);}
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void ybounds(double, double);
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double yminimum() const {return ymin;}
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void yminimum(double a) {ybounds(a,ymax);}
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double ymaximum() const {return ymax;}
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void ymaximum(double a) {ybounds(ymin,a);}
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void xstep(double a) {xstep_ = a;}
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void ystep(double a) {ystep_ = a;}
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};
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#endif
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//
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// End of "$Id: Fl_Positioner.H,v 1.4 1999/01/07 19:17:00 mike Exp $".
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//
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