FLTK 1.3.0
Fl_Dial.H
00001 //
00002 // "$Id$"
00003 //
00004 // Dial header file for the Fast Light Tool Kit (FLTK).
00005 //
00006 // Copyright 1998-2010 by Bill Spitzak and others.
00007 //
00008 // This library is free software; you can redistribute it and/or
00009 // modify it under the terms of the GNU Library General Public
00010 // License as published by the Free Software Foundation; either
00011 // version 2 of the License, or (at your option) any later version.
00012 //
00013 // This library is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016 // Library General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU Library General Public
00019 // License along with this library; if not, write to the Free Software
00020 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00021 // USA.
00022 //
00023 // Please report all bugs and problems on the following page:
00024 //
00025 //     http://www.fltk.org/str.php
00026 //
00027 
00028 /* \file
00029    Fl_Dial widget . */
00030 
00031 #ifndef Fl_Dial_H
00032 #define Fl_Dial_H
00033 
00034 #ifndef Fl_Valuator_H
00035 #include "Fl_Valuator.H"
00036 #endif
00037 
00038 // values for type():
00039 #define FL_NORMAL_DIAL  0       
00040 #define FL_LINE_DIAL    1       
00041 #define FL_FILL_DIAL    2       
00056 class FL_EXPORT Fl_Dial : public Fl_Valuator {
00057 
00058   short a1,a2;
00059 
00060 protected:
00061 
00062   // these allow subclasses to put the dial in a smaller area:
00063   void draw(int X, int Y, int W, int H);
00064   int handle(int event, int X, int Y, int W, int H);
00065   void draw();
00066 
00067 public:
00068 
00069   int handle(int);
00074   Fl_Dial(int x,int y,int w,int h, const char *l = 0);
00081   short angle1() const {return a1;}
00083   void angle1(short a) {a1 = a;}
00085   short angle2() const {return a2;}
00087   void angle2(short a) {a2 = a;}
00089   void angles(short a, short b) {a1 = a; a2 = b;}
00090 
00091 };
00092 
00093 #endif
00094 
00095 //
00096 // End of "$Id$".
00097 //