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FLTK - Fast Light Tool Kit - https://github.com/fltk/fltk - cross platform GUI development
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103 lines
3.1 KiB
103 lines
3.1 KiB
// |
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// "$Id$" |
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// |
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// Positioner header file for the Fast Light Tool Kit (FLTK). |
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// |
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// Copyright 1998-2010 by Bill Spitzak and others. |
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// |
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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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// |
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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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// |
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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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// USA. |
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// |
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// Please report all bugs and problems on the following page: |
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// |
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// http://www.fltk.org/str.php |
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// |
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/* \file |
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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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#ifndef Fl_Widget_H |
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#include "Fl_Widget.H" |
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#endif |
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/** |
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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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*/ |
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class FL_EXPORT Fl_Positioner : public Fl_Widget { |
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double xmin, ymin; |
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double xmax, ymax; |
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double xvalue_, yvalue_; |
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double xstep_, ystep_; |
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protected: |
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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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void draw(); |
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public: |
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int handle(int); |
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/** |
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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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*/ |
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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 xvalue(double); |
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int yvalue(double); |
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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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}; |
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#endif |
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// |
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// End of "$Id$". |
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//
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