1 | /*************************************************************************
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2 | ** $Id: qdatetime.h 2 2005-11-16 15:49:26Z dmik $
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3 | **
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4 | ** Definition of date and time classes
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5 | **
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6 | ** Created : 940124
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7 | **
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8 | ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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9 | **
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10 | ** This file is part of the tools module of the Qt GUI Toolkit.
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11 | **
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12 | ** This file may be distributed under the terms of the Q Public License
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13 | ** as defined by Trolltech AS of Norway and appearing in the file
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14 | ** LICENSE.QPL included in the packaging of this file.
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15 | **
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16 | ** This file may be distributed and/or modified under the terms of the
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17 | ** GNU General Public License version 2 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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19 | ** packaging of this file.
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20 | **
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21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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22 | ** licenses may use this file in accordance with the Qt Commercial License
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23 | ** Agreement provided with the Software.
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24 | **
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25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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27 | **
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28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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29 | ** information about Qt Commercial License Agreements.
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30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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32 | **
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33 | ** Contact info@trolltech.com if any conditions of this licensing are
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34 | ** not clear to you.
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35 | **
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36 | **********************************************************************/
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37 |
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38 | #ifndef QDATETIME_H
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39 | #define QDATETIME_H
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40 |
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41 | #ifndef QT_H
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42 | #include "qstring.h"
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43 | #include "qnamespace.h"
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44 | #endif // QT_H
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45 |
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46 |
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47 | /*****************************************************************************
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48 | QDate class
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49 | *****************************************************************************/
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50 |
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51 | class Q_EXPORT QDate
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52 | {
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53 | public:
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54 | QDate() { jd = 0; }
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55 | QDate( int y, int m, int d );
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56 |
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57 | bool isNull() const { return jd == 0; }
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58 | bool isValid() const;
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59 |
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60 | int year() const;
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61 | int month() const;
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62 | int day() const;
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63 | int dayOfWeek() const;
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64 | int dayOfYear() const;
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65 | int daysInMonth() const;
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66 | int daysInYear() const;
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67 | int weekNumber( int *yearNum = 0 ) const;
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68 |
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69 | #ifndef QT_NO_TEXTDATE
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70 | #ifndef QT_NO_COMPAT
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71 | static QString monthName( int month ) { return shortMonthName( month ); }
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72 | static QString dayName( int weekday ) { return shortDayName( weekday ); }
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73 | #endif
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74 | static QString shortMonthName( int month );
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75 | static QString shortDayName( int weekday );
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76 | static QString longMonthName( int month );
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77 | static QString longDayName( int weekday );
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78 | #endif //QT_NO_TEXTDATE
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79 | #ifndef QT_NO_TEXTSTRING
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80 | #if !defined(QT_NO_SPRINTF)
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81 | QString toString( Qt::DateFormat f = Qt::TextDate ) const;
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82 | #endif
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83 | QString toString( const QString& format ) const;
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84 | #endif
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85 | bool setYMD( int y, int m, int d );
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86 |
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87 | QDate addDays( int days ) const;
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88 | QDate addMonths( int months ) const;
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89 | QDate addYears( int years ) const;
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90 | int daysTo( const QDate & ) const;
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91 |
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92 | bool operator==( const QDate &d ) const { return jd == d.jd; }
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93 | bool operator!=( const QDate &d ) const { return jd != d.jd; }
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94 | bool operator<( const QDate &d ) const { return jd < d.jd; }
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95 | bool operator<=( const QDate &d ) const { return jd <= d.jd; }
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96 | bool operator>( const QDate &d ) const { return jd > d.jd; }
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97 | bool operator>=( const QDate &d ) const { return jd >= d.jd; }
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98 |
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99 | static QDate currentDate();
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100 | static QDate currentDate( Qt::TimeSpec );
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101 | #ifndef QT_NO_DATESTRING
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102 | static QDate fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
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103 | #endif
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104 | static bool isValid( int y, int m, int d );
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105 | static bool leapYear( int year );
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106 |
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107 | static uint gregorianToJulian( int y, int m, int d );
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108 | static void julianToGregorian( uint jd, int &y, int &m, int &d );
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109 | private:
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110 | uint jd;
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111 | friend class QDateTime;
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112 | #ifndef QT_NO_DATASTREAM
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113 | friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & );
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114 | friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & );
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115 | #endif
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116 | };
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117 |
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118 |
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119 | /*****************************************************************************
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120 | QTime class
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121 | *****************************************************************************/
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122 |
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123 | class Q_EXPORT QTime
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124 | {
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125 | public:
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126 | QTime() { ds=0; } // set null time
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127 | QTime( int h, int m, int s=0, int ms=0 ); // set time
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128 |
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129 | bool isNull() const { return ds == 0; }
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130 | bool isValid() const; // valid time
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131 |
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132 | int hour() const; // 0..23
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133 | int minute() const; // 0..59
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134 | int second() const; // 0..59
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135 | int msec() const; // 0..999
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136 | #ifndef QT_NO_DATESTRING
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137 | #ifndef QT_NO_SPRINTF
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138 | QString toString( Qt::DateFormat f = Qt::TextDate ) const;
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139 | #endif
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140 | QString toString( const QString& format ) const;
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141 | #endif
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142 | bool setHMS( int h, int m, int s, int ms=0 );
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143 |
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144 | QTime addSecs( int secs ) const;
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145 | int secsTo( const QTime & ) const;
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146 | QTime addMSecs( int ms ) const;
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147 | int msecsTo( const QTime & ) const;
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148 |
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149 | bool operator==( const QTime &d ) const { return ds == d.ds; }
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150 | bool operator!=( const QTime &d ) const { return ds != d.ds; }
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151 | bool operator<( const QTime &d ) const { return ds < d.ds; }
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152 | bool operator<=( const QTime &d ) const { return ds <= d.ds; }
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153 | bool operator>( const QTime &d ) const { return ds > d.ds; }
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154 | bool operator>=( const QTime &d ) const { return ds >= d.ds; }
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155 |
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156 | static QTime currentTime();
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157 | static QTime currentTime( Qt::TimeSpec );
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158 | #ifndef QT_NO_DATESTRING
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159 | static QTime fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
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160 | #endif
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161 | static bool isValid( int h, int m, int s, int ms=0 );
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162 |
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163 | void start();
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164 | int restart();
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165 | int elapsed() const;
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166 |
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167 | private:
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168 | static bool currentTime( QTime * );
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169 | static bool currentTime( QTime *, Qt::TimeSpec );
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170 |
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171 | uint ds;
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172 | friend class QDateTime;
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173 | #ifndef QT_NO_DATASTREAM
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174 | friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & );
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175 | friend Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & );
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176 | #endif
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177 | };
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178 |
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179 |
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180 | /*****************************************************************************
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181 | QDateTime class
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182 | *****************************************************************************/
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183 |
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184 | class Q_EXPORT QDateTime
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185 | {
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186 | public:
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187 | QDateTime() {} // set null date and null time
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188 | QDateTime( const QDate & );
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189 | QDateTime( const QDate &, const QTime & );
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190 |
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191 | bool isNull() const { return d.isNull() && t.isNull(); }
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192 | bool isValid() const { return d.isValid() && t.isValid(); }
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193 |
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194 | QDate date() const { return d; }
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195 | QTime time() const { return t; }
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196 | uint toTime_t() const;
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197 | void setDate( const QDate &date ) { d = date; }
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198 | void setTime( const QTime &time ) { t = time; }
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199 | void setTime_t( uint secsSince1Jan1970UTC );
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200 | void setTime_t( uint secsSince1Jan1970UTC, Qt::TimeSpec );
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201 | #ifndef QT_NO_DATESTRING
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202 | #ifndef QT_NO_SPRINTF
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203 | QString toString( Qt::DateFormat f = Qt::TextDate ) const;
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204 | #endif
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205 | QString toString( const QString& format ) const;
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206 | #endif
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207 | QDateTime addDays( int days ) const;
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208 | QDateTime addMonths( int months ) const;
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209 | QDateTime addYears( int years ) const;
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210 | QDateTime addSecs( int secs ) const;
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211 | int daysTo( const QDateTime & ) const;
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212 | int secsTo( const QDateTime & ) const;
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213 |
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214 | bool operator==( const QDateTime &dt ) const;
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215 | bool operator!=( const QDateTime &dt ) const;
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216 | bool operator<( const QDateTime &dt ) const;
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217 | bool operator<=( const QDateTime &dt ) const;
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218 | bool operator>( const QDateTime &dt ) const;
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219 | bool operator>=( const QDateTime &dt ) const;
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220 |
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221 | static QDateTime currentDateTime();
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222 | static QDateTime currentDateTime( Qt::TimeSpec );
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223 | #ifndef QT_NO_DATESTRING
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224 | static QDateTime fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
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225 | #endif
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226 | private:
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227 | QDate d;
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228 | QTime t;
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229 | #ifndef QT_NO_DATASTREAM
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230 | friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime &);
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231 | friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & );
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232 | #endif
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233 | };
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234 |
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235 |
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236 | /*****************************************************************************
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237 | Date and time stream functions
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238 | *****************************************************************************/
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239 |
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240 | #ifndef QT_NO_DATASTREAM
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241 | Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & );
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242 | Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & );
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243 | Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & );
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244 | Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & );
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245 | Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime & );
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246 | Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & );
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247 | #endif // QT_NO_DATASTREAM
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248 |
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249 | #endif // QDATETIME_H
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250 |
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