/usr/include/FL/Fl_Clock.H is in libfltk1.3-dev 1.3.0-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// "$Id: Fl_Clock.H 7981 2010-12-08 23:53:04Z greg.ercolano $"
//
// Clock header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 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 on the following page:
//
// http://www.fltk.org/str.php
//
/* \file
Fl_Clock, Fl_Clock_Output widgets . */
#ifndef Fl_Clock_H
#define Fl_Clock_H
#ifndef Fl_Widget_H
#include "Fl_Widget.H"
#endif
// values for type:
#define FL_SQUARE_CLOCK 0 /**< type() of Square Clock variant */
#define FL_ROUND_CLOCK 1 /**< type() of Round Clock variant */
#define FL_ANALOG_CLOCK FL_SQUARE_CLOCK /**< An analog clock is square */
#define FL_DIGITAL_CLOCK FL_SQUARE_CLOCK /**< Not yet implemented */
// fabien: Please keep the horizontal formatting of both images in class desc,
// don't lose vert. space for nothing!
/**
\class Fl_Clock_Output
\brief This widget can be used to display a program-supplied time.
The time shown on the clock is not updated. To display the current time,
use Fl_Clock instead.
\htmlonly <BR> <table align=CENTER border=1 cellpadding=5 >
<caption align=bottom>type() FL_SQUARE_CLOCK and FL_ROUND_CLOCK </caption> <TR><TD> \endhtmlonly
\image html clock.png
\htmlonly </TD> <TD> \endhtmlonly
\image html round_clock.png
\htmlonly </TD> </TR> </table> \endhtmlonly
\image latex clock.png "FL_SQUARE_CLOCK type" width=4cm
\image latex round_clock.png "FL_ROUND_CLOCK type" width=4cm
*/
class FL_EXPORT Fl_Clock_Output : public Fl_Widget {
int hour_, minute_, second_;
ulong value_;
void drawhands(Fl_Color,Fl_Color); // part of draw
protected:
void draw();
void draw(int X, int Y, int W, int H);
public:
Fl_Clock_Output(int X, int Y, int W, int H, const char *L = 0);
void value(ulong v); // set to this Unix time
void value(int H, int m, int s);
/**
Returns the displayed time.
Returns the time in seconds since the UNIX epoch (January 1, 1970).
\see value(ulong)
*/
ulong value() const {return value_;}
/**
Returns the displayed hour (0 to 23).
\see value(), minute(), second()
*/
int hour() const {return hour_;}
/**
Returns the displayed minute (0 to 59).
\see value(), hour(), second()
*/
int minute() const {return minute_;}
/**
Returns the displayed second (0 to 60, 60=leap second).
\see value(), hour(), minute()
*/
int second() const {return second_;}
};
// a Fl_Clock displays the current time always by using a timeout:
/**
\class Fl_Clock
\brief This widget provides a round analog clock display.
Fl_Clock is provided for Forms compatibility.
It installs a 1-second timeout callback using Fl::add_timeout().
You can choose the rounded or square type of the clock with type(), see below.
\htmlonly <BR> <table align=CENTER border=1 cellpadding=5 >
<caption align=bottom>type() FL_SQUARE_CLOCK and FL_ROUND_CLOCK </caption> <TR><TD> \endhtmlonly
\image html clock.png
\htmlonly </TD> <TD> \endhtmlonly
\image html round_clock.png
\htmlonly </TD> </TR> </table> \endhtmlonly
\image latex clock.png "FL_SQUARE_CLOCK type" width=4cm
\image latex round_clock.png "FL_ROUND_CLOCK type" width=4cm
*/
class FL_EXPORT Fl_Clock : public Fl_Clock_Output {
public:
int handle(int);
Fl_Clock(int X, int Y, int W, int H, const char *L = 0);
Fl_Clock(uchar t, int X, int Y, int W, int H, const char *L);
~Fl_Clock();
};
#endif
//
// End of "$Id: Fl_Clock.H 7981 2010-12-08 23:53:04Z greg.ercolano $".
//
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