1999-01-13 22:28:54 +03:00
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<HTML><BODY>
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<HR break>
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<H2><A name=Fl_Dial>class Fl_Dial</A></H2>
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<HR>
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<H3>Class Hierarchy</H3>
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<UL>
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<PRE>
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<A href=Fl_Valuator.html#Fl_Valuator>Fl_Valuator</A>
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1998-12-29 17:21:17 +03:00
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1999-01-13 22:28:54 +03:00
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+----<B>Fl_Dial</B>
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</PRE>
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</UL>
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<H3>Include Files</H3>
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<UL>
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<PRE>
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#include <FL/Fl_Dial.H>
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</PRE>
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</UL>
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<H3>Description</H3>
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The <TT>Fl_Dial</TT> widget provides a circular dial to control a
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single floating point value.
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<H3>Methods</H3>
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<UL>
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<LI><A href=#Fl_Dial.Fl_Dial>Fl_Dial</A></LI>
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<LI><A href=#Fl_Dial.~Fl_Dial>~Fl_Dial</A></LI>
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1999-03-10 11:17:43 +03:00
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<LI><A href=#Fl_Dial.angles>angle1</A></LI>
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<LI><A href=#Fl_Dial.angles>angle2</A></LI>
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1999-01-13 22:28:54 +03:00
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<LI><A href=#Fl_Dial.angles>angles</A></LI>
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<LI><A href=#Fl_Dial.type>type</A></LI>
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</UL>
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<H4><A name=Fl_Dial.Fl_Dial>Fl_Dial::Fl_Dial(int x, int y, int w, int
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h, const char *label = 0)</A></H4>
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Creates a new <TT>Fl_Dial</TT> widget using the given position, size,
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and label string. The default type is <TT>FL_NORMAL_DIAL</TT>.
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<H4><A name=Fl_Dial.~Fl_Dial>virtual Fl_Dial::~Fl_Dial()</A></H4>
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Destroys the valuator.
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1999-03-10 11:17:43 +03:00
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<H4>
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<A name=Fl_Dial.angles>
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short Fl_Dial::angle1() const;<br>
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void Fl_Dial::angle1(short);<br>
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short Fl_Dial::angle2() const;<br>
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void Fl_Dial::angle2(short);<br>
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void Fl_Dial::angles(short a, short b);
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</A>
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</H4>
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Sets the angles used for the minimum and maximum values. The default
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values are 45 and 315 (0 degrees is straight down and the angles
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progress clockwise). Normally angle1 is less than angle2, but if you
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reverse them the dial moves counter-clockwise.
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1999-01-13 22:28:54 +03:00
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<H4><A name=Fl_Dial.type>type(uchar)</A></H4>
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Sets the type of the dial to:
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<UL>
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<LI><TT>FL_NORMAL_DIAL</TT> - Draws a normal dial with a knob. </LI>
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<LI><TT>FL_LINE_DIAL</TT> - Draws a dial with a line. </LI>
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<LI><TT>FL_FILL_DIAL</TT> - Draws a dial with a filled arc. </LI>
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</UL>
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</BODY></HTML>
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