2 // "$Id: Fl_Positioner.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $"
4 // Positioner header file for the Fast Light Tool Kit (FLTK).
6 // Copyright 1998-2002 by Bill Spitzak and others.
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 // Please report all bugs and problems to "fltk-bugs@fltk.org".
26 #ifndef Fl_Positioner_H
27 #define Fl_Positioner_H
30 #include "Fl_Widget.H"
33 class FL_EXPORT Fl_Positioner : public Fl_Widget {
37 double xvalue_, yvalue_;
38 double xstep_, ystep_;
42 // these allow subclasses to put the dial in a smaller area:
43 void draw(int, int, int, int);
44 int handle(int, int, int, int, int);
50 Fl_Positioner(int x,int y,int w,int h, const char *l=0);
51 double xvalue() const {return xvalue_;}
52 double yvalue() const {return yvalue_;}
55 int value(double,double);
56 void xbounds(double, double);
57 double xminimum() const {return xmin;}
58 void xminimum(double a) {xbounds(a,xmax);}
59 double xmaximum() const {return xmax;}
60 void xmaximum(double a) {xbounds(xmin,a);}
61 void ybounds(double, double);
62 double yminimum() const {return ymin;}
63 void yminimum(double a) {ybounds(a,ymax);}
64 double ymaximum() const {return ymax;}
65 void ymaximum(double a) {ybounds(ymin,a);}
66 void xstep(double a) {xstep_ = a;}
67 void ystep(double a) {ystep_ = a;}
74 // End of "$Id: Fl_Positioner.H,v 1.2 2002/12/01 15:38:37 neurosurg Exp $".