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annotate engine/core/util/time/timer.h @ 615:6f3f5686a56e

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Fixed a small bug where the widgets were not being updated with new data when the default settings were loaded.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 27 Sep 2010 14:22:07 +0000
parents 09f40db3f10c
children
rev   line source
0
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1 /***************************************************************************
46
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
0
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21
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22 #ifndef FIFE_TIMER_H
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23 #define FIFE_TIMER_H
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24
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25 // Standard C++ library includes
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26
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27 // 3rd party library includes
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28 #include <boost/function.hpp>
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "timeevent.h"
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35
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36 namespace FIFE {
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37
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38 /** Simple Timer class
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39 *
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40 * This is a simple wrapper around the TimeEvent,
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41 * which makes the later usable without having to
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42 * subclass it every time.
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43 *
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44 * @example MemberUpdater
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45 * @code
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46 * m_timer.setInterval(1000);
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47 * m_timer.setCallback( boost::bind(&Class::update, this) );
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48 * m_timer.start();
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49 * @endcode
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50 *
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51 * @warning Note that the callback must be available
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52 * when it is triggered. If your called function is a
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53 * bound member function and it goes out of scope,
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54 * when the callback is called you'll most likely
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55 * have a segfault. So this is best used as a member
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56 * calling an update function.
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57 *
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58 * @note You don't have to call TimeManager::registerEvent @b ever
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59 *
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60 * @see Console
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61 */
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62 class Timer : protected TimeEvent {
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63 public:
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64 typedef boost::function0<void> type_callback;
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65
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66 /** Default constructor.
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67 *
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68 * Constructs an idle timer, use @see setInterval and @see setCallback
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69 * to set it up for use.
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70 */
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71 Timer();
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72
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73 /** Destructor.
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74 *
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75 * Stops and destroys the timer.
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76 */
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77 virtual ~Timer();
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78
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79 /** Set the interval in milliseconds
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80 *
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81 * @param msec The interval
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82 * If you use an intervall 0 the timer will fire every frame.
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83 */
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84 void setInterval(unsigned long msec);
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85
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86 /** Start the timer
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87 *
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88 * Without calling this function, nothing will happen.
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89 * It is save to call this more than once.
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90 */
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91 void start();
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92
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93 /** Stop the timer
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94 *
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95 * Stops execution of the callback
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96 * It is save to call this more than once.
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97 */
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98 void stop();
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99
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100 /** Set the callback that will be called
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101 *
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102 * @param callback A @c boost::function0 returning void
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103 */
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104 void setCallback(const type_callback& callback);
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105
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106 protected:
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107 bool m_active;
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108 type_callback m_callback;
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109 void updateEvent(unsigned long);
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110 };
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111
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112 }//FIFE
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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113
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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114 #endif