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// "$Id: Fl_Positioner.H 7981 2010-12-08 23:53:04Z greg.ercolano $"
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// Positioner header file for the Fast Light Tool Kit (FLTK).
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// Copyright 1998-2010 by Bill Spitzak and others.
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Please report all bugs and problems on the following page:
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// http://www.fltk.org/str.php
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Fl_Positioner widget . */
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#ifndef Fl_Positioner_H
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#define Fl_Positioner_H
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#include "Fl_Widget.H"
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This class is provided for Forms compatibility. It provides 2D input.
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It would be useful if this could be put atop another widget so that the
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crosshairs are on top, but this is not implemented. The color of the
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crosshairs is selection_color().
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<P ALIGN=CENTER>\image html positioner.png </P>
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\image latex positioner.png " Fl_Positioner" width=4cm
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class FL_EXPORT Fl_Positioner : public Fl_Widget {
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double xvalue_, yvalue_;
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double xstep_, ystep_;
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// these allow subclasses to put the dial in a smaller area:
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void draw(int, int, int, int);
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int handle(int, int, int, int, int);
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Creates a new Fl_Positioner widget using the given position,
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size, and label string. The default boxtype is FL_NO_BOX.
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Fl_Positioner(int x,int y,int w,int h, const char *l=0);
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/** Gets the X axis coordinate.*/
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double xvalue() const {return xvalue_;}
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/** Gets the Y axis coordinate.*/
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double yvalue() const {return yvalue_;}
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int value(double,double);
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void xbounds(double, double);
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/** Gets the X axis minimum */
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double xminimum() const {return xmin;}
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/** Same as xbounds(a, xmaximum()) */
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void xminimum(double a) {xbounds(a,xmax);}
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/** Gets the X axis maximum */
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double xmaximum() const {return xmax;}
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/** Same as xbounds(xminimum(), a) */
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void xmaximum(double a) {xbounds(xmin,a);}
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void ybounds(double, double);
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/** Gets the Y axis minimum */
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double yminimum() const {return ymin;}
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/** Same as ybounds(a, ymaximum()) */
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void yminimum(double a) {ybounds(a, ymax);}
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/** Gets the Y axis maximum */
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double ymaximum() const {return ymax;}
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/** Same as ybounds(ymininimum(), a) */
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void ymaximum(double a) {ybounds(ymin, a);}
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/** Sets the stepping value for the X axis.*/
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void xstep(double a) {xstep_ = a;}
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/** Sets the stepping value for the Y axis.*/
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void ystep(double a) {ystep_ = a;}
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// End of "$Id: Fl_Positioner.H 7981 2010-12-08 23:53:04Z greg.ercolano $".
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os/mac/include/FL/Fl_Positioner.H
