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