/usr/include/FL/Fl_Valuator.H is in libfltk1.1-dev 1.1.10-17.
This file is owned by root:root, with mode 0o644.
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// "$Id: Fl_Valuator.H 4288 2005-04-16 00:13:17Z mike $"
//
// Valuator 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_Valuator_H
#define Fl_Valuator_H
#ifndef Fl_Widget_H
#include "Fl_Widget.H"
#endif
// shared type() values for classes that work in both directions:
#define FL_VERTICAL 0
#define FL_HORIZONTAL 1
class FL_EXPORT Fl_Valuator : public Fl_Widget {
double value_;
double previous_value_;
double min, max; // truncates to this range *after* rounding
double A; int B; // rounds to multiples of A/B, or no rounding if A is zero
protected:
int horizontal() const {return type()&1;}
Fl_Valuator(int X, int Y, int W, int H, const char* L);
double previous_value() const {return previous_value_;}
void handle_push() {previous_value_ = value_;}
double softclamp(double);
void handle_drag(double newvalue);
void handle_release(); // use drag() value
virtual void value_damage(); // cause damage() due to value() changing
void set_value(double v) {value_ = v;}
public:
void bounds(double a, double b) {min=a; max=b;}
double minimum() const {return min;}
void minimum(double a) {min = a;}
double maximum() const {return max;}
void maximum(double a) {max = a;}
void range(double a, double b) {min = a; max = b;}
void step(int a) {A = a; B = 1;}
void step(double a, int b) {A = a; B = b;}
void step(double s);
double step() const {return A/B;}
void precision(int);
double value() const {return value_;}
int value(double);
virtual int format(char*);
double round(double); // round to nearest multiple of step
double clamp(double); // keep in range
double increment(double, int); // add n*step to value
};
#endif
//
// End of "$Id: Fl_Valuator.H 4288 2005-04-16 00:13:17Z mike $".
//
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