44c874b731
FL_OVERRIDE is defined as `override` for C++11 and higher FL_OVERRIDE is defined as `override` for VisualC 2015 and newer Don't interfere with Fl_Widget::override()
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
//
|
|
// Positioner 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_Positioner widget . */
|
|
|
|
#ifndef Fl_Positioner_H
|
|
#define Fl_Positioner_H
|
|
|
|
#ifndef Fl_Widget_H
|
|
#include "Fl_Widget.H"
|
|
#endif
|
|
|
|
/**
|
|
This class is provided for Forms compatibility. It provides 2D input.
|
|
It would be useful if this could be put atop another widget so that the
|
|
crosshairs are on top, but this is not implemented. The color of the
|
|
crosshairs is selection_color().
|
|
\image html positioner.png
|
|
\image latex positioner.png "Fl_Positioner" width=4cm
|
|
*/
|
|
class FL_EXPORT Fl_Positioner : public Fl_Widget {
|
|
|
|
double xmin, ymin;
|
|
double xmax, ymax;
|
|
double xvalue_, yvalue_;
|
|
double xstep_, ystep_;
|
|
|
|
protected:
|
|
|
|
// these allow subclasses to put the dial in a smaller area:
|
|
void draw(int, int, int, int);
|
|
int handle(int, int, int, int, int);
|
|
void draw() FL_OVERRIDE;
|
|
|
|
public:
|
|
|
|
int handle(int) FL_OVERRIDE;
|
|
/**
|
|
Creates a new Fl_Positioner widget using the given position,
|
|
size, and label string. The default boxtype is FL_NO_BOX.
|
|
*/
|
|
Fl_Positioner(int x,int y,int w,int h, const char *l=0);
|
|
/** Gets the X axis coordinate.*/
|
|
double xvalue() const {return xvalue_;}
|
|
/** Gets the Y axis coordinate.*/
|
|
double yvalue() const {return yvalue_;}
|
|
int xvalue(double);
|
|
int yvalue(double);
|
|
int value(double,double);
|
|
void xbounds(double, double);
|
|
/** Gets the X axis minimum */
|
|
double xminimum() const {return xmin;}
|
|
/** Same as xbounds(a, xmaximum()) */
|
|
void xminimum(double a) {xbounds(a,xmax);}
|
|
/** Gets the X axis maximum */
|
|
double xmaximum() const {return xmax;}
|
|
/** Same as xbounds(xminimum(), a) */
|
|
void xmaximum(double a) {xbounds(xmin,a);}
|
|
void ybounds(double, double);
|
|
/** Gets the Y axis minimum */
|
|
double yminimum() const {return ymin;}
|
|
/** Same as ybounds(a, ymaximum()) */
|
|
void yminimum(double a) {ybounds(a, ymax);}
|
|
/** Gets the Y axis maximum */
|
|
double ymaximum() const {return ymax;}
|
|
/** Same as ybounds(ymininimum(), a) */
|
|
void ymaximum(double a) {ybounds(ymin, a);}
|
|
/** Sets the stepping value for the X axis.*/
|
|
void xstep(double a) {xstep_ = a;}
|
|
/** Sets the stepping value for the Y axis.*/
|
|
void ystep(double a) {ystep_ = a;}
|
|
};
|
|
|
|
#endif
|