//
// smeter.h
//
// Smeter bar widget routines.
// ----------------------------------------------------------------------------
// Copyright (C) 2014
// David Freese, W1HKJ
//
// This file is part of fldigi
//
// fldigi is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// fldigi 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see .
// ----------------------------------------------------------------------------
#ifndef SMETER
#define SMETER
//
// Include necessary headers.
//
#include
#include
//
// Smeter class...
//
class Smeter : public Fl_Widget
{
private:
double value_,
minimum_,
maximum_;
int sval; // Size of sval bar...
int bx, by, bw, bh; // Box areas...
int tx, tw; // Temporary X + width
int ty, th; // Temporary Y + height
int sx; // meter left offset
int meter_width;
int meter_height;
Fl_Color bgnd_;
Fl_Color fgnd_;
Fl_Color scale_color;
static const char *meter_face;
void (*cbFunc)(Fl_Widget *, void *);
protected:
virtual void draw();
public:
Smeter(int x, int y, int w, int h, const char *l = 0);
void maximum(double v) { maximum_ = v; redraw(); }
double maximum() const { return (maximum_); }
void minimum(double v) { minimum_ = v; redraw(); }
double minimum() const { return (minimum_); }
void value(double v) {
value_ = v;
if (value_ < minimum_) value_ = minimum_;
if (value_ > maximum_) value_ = maximum_;
redraw();
}
double value() const { return (value_); }
void resize(int x, int y, int w, int h);
int handle(int);
void set_background(Fl_Color c1) { bgnd_ = c1; redraw(); }
void set_metercolor(Fl_Color c2) { fgnd_ = c2; redraw(); }
void set_scalecolor(Fl_Color c3) { scale_color = c3; redraw(); }
void callback (void (*cbf)(Fl_Widget *, void *) ){ cbFunc = cbf;}
void do_callback() {
if (cbFunc) cbFunc(this, (void*)0);
}
};
#endif // !smeter