FLTK 1.3.9: Fl_Dial.H Source File

FLTK 1.3.9

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Fl_Dial.H
1//
2// "$Id$"
3//
4// Dial header file for the Fast Light Tool Kit (FLTK).
5//
6// Copyright 1998-2010 by Bill Spitzak and others.
7//
8// This library is free software. Distribution and use rights are outlined in
9// the file "COPYING" which should have been included with this file. If this
10// file is missing or damaged, see the license at:
11//
12// http://www.fltk.org/COPYING.php
13//
14// Please report all bugs and problems on the following page:
15//
16// http://www.fltk.org/str.php
17//
18
19/* \file
20 Fl_Dial widget . */
21
22#ifndef Fl_Dial_H
23#define Fl_Dial_H
24
25#ifndef Fl_Valuator_H
26#include "Fl_Valuator.H"
27#endif
28
29// values for type():
30#define FL_NORMAL_DIAL 0
31#define FL_LINE_DIAL 1
32#define FL_FILL_DIAL 2
47 class FL_EXPORT Fl_Dial : public Fl_Valuator {
48
49 short a1,a2;
50
51protected:
52
53 // these allow subclasses to put the dial in a smaller area:
54 void draw(int X, int Y, int W, int H);
55 int handle(int event, int X, int Y, int W, int H);
56 void draw();
57
58public:
59
60 int handle(int);
65 Fl_Dial(int x,int y,int w,int h, const char *l = 0);
72 short angle1() const {return a1;}
74 void angle1(short a) {a1 = a;}
76 short angle2() const {return a2;}
78 void angle2(short a) {a2 = a;}
80 void angles(short a, short b) {a1 = a; a2 = b;}
81
82};
83
84#endif
85
86//
87// End of "$Id$".
88//
Fl_Dial
The Fl_Dial widget provides a circular dial to control a single floating point value.
Definition: Fl_Dial.H:47
Fl_Dial::angle1
void angle1(short a)
See short angle1() const.
Definition: Fl_Dial.H:74
Fl_Dial::angle2
short angle2() const
See short angle1() const.
Definition: Fl_Dial.H:76
Fl_Dial::angles
void angles(short a, short b)
See short angle1() const.
Definition: Fl_Dial.H:80
Fl_Dial::angle1
short angle1() const
Sets Or gets the angles used for the minimum and maximum values.
Definition: Fl_Dial.H:72
Fl_Dial::angle2
void angle2(short a)
See short angle1() const.
Definition: Fl_Dial.H:78
Fl_Valuator
The Fl_Valuator class controls a single floating-point value and provides a consistent interface to s...
Definition: Fl_Valuator.H:49
Fl_Widget::draw
virtual void draw()=0
Draws the widget.
Fl_Widget::handle
virtual int handle(int event)
Handles the specified event.
Definition: Fl_Widget.cxx:112