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//
// Counter header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
/* \file
Fl_Counter widget . */
// A numerical value with up/down step buttons. From Forms.
#ifndef Fl_Counter_H
#define Fl_Counter_H
#ifndef Fl_Valuator_H
#include "Fl_Valuator.H"
#endif
// values for type():
#define FL_NORMAL_COUNTER 0 /**< type() for counter with fast buttons */
#define FL_SIMPLE_COUNTER 1 /**< type() for counter without fast buttons */
/**
Controls a single floating point value with button (or keyboard) arrows.
Double arrows buttons achieve larger steps than simple arrows.
\see Fl_Spinner for value input with vertical step arrows.
\image html counter.png
\image latex counter.png "Fl_Counter" width=4cm
The type of an Fl_Counter object can be set using Fl_Widget::type(uchar) to:
\li \c FL_NORMAL_COUNTER: Displays a counter with 4 arrow buttons.
\li \c FL_SIMPLE_COUNTER: Displays a counter with only 2 arrow buttons.
*/
class FL_EXPORT Fl_Counter : public Fl_Valuator {
Fl_Font textfont_;
Fl_Fontsize textsize_;
Fl_Color textcolor_;
double lstep_;
uchar mouseobj_;
static void repeat_callback(void *);
int calc_mouseobj();
void increment_cb();
protected:
void draw() FL_OVERRIDE;
// compute widths of arrow boxes
void arrow_widths(int &w1, int &w2);
public:
int handle(int) FL_OVERRIDE;
Fl_Counter(int X, int Y, int W, int H, const char* L = 0);
~Fl_Counter();
/**
Sets the increment for the large step buttons.
The default value is 1.0.
\param[in] a large step increment.
*/
void lstep(double a) {lstep_ = a;}
/**
Sets the increments for the normal and large step buttons.
\param[in] a, b normal and large step increments.
*/
void step(double a,double b) {Fl_Valuator::step(a); lstep_ = b;}
/**
Sets the increment for the normal step buttons.
\param[in] a normal step increment.
*/
void step(double a) {Fl_Valuator::step(a);}
/**
Returns the increment for normal step buttons.
*/
double step() const {return Fl_Valuator::step();}
/** Gets the text font */
Fl_Font textfont() const {return textfont_;}
/** Sets the text font to \p s */
void textfont(Fl_Font s) {textfont_ = s;}
/** Gets the font size */
Fl_Fontsize textsize() const {return textsize_;}
/** Sets the font size to \p s */
void textsize(Fl_Fontsize s) {textsize_ = s;}
/** Gets the font color */
Fl_Color textcolor() const {return textcolor_;}
/** Sets the font color to \p s */
void textcolor(Fl_Color s) {textcolor_ = s;}
};
#endif
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