fltk/FL/Fl_Dial.H
Bill Spitzak b6115887c8 Changes to dial so that counter-clockwise motion is supported if you
set angle2 < angle1.  Deleted the unimplemented direction() control.
Fixed the documentation, this new code allows any 2 values for the
angles as long as abs(a-b)<=360.


git-svn-id: file:///fltk/svn/fltk/trunk@399 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
1999-03-10 08:17:43 +00:00

66 lines
1.8 KiB
C++

//
// "$Id: Fl_Dial.H,v 1.7 1999/03/10 08:17:40 bill Exp $"
//
// Dial header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-1999 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@easysw.com".
//
#ifndef Fl_Dial_H
#define Fl_Dial_H
#ifndef Fl_Valuator_H
#include "Fl_Valuator.H"
#endif
// values for type():
#define FL_NORMAL_DIAL 0
#define FL_LINE_DIAL 1
#define FL_FILL_DIAL 2
class Fl_Dial : public Fl_Valuator {
short a1,a2;
protected:
// these allow subclasses to put the dial in a smaller area:
FL_EXPORT void draw(int, int, int, int);
FL_EXPORT int handle(int, int, int, int, int);
FL_EXPORT void draw();
public:
FL_EXPORT int handle(int);
FL_EXPORT Fl_Dial(int x,int y,int w,int h, const char *l = 0);
short angle1() const {return a1;}
void angle1(short a) {a1 = a;}
short angle2() const {return a2;}
void angle2(short a) {a2 = a;}
void angles(short a, short b) {a1 = a; a2 = b;}
};
#endif
//
// End of "$Id: Fl_Dial.H,v 1.7 1999/03/10 08:17:40 bill Exp $".
//