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1 /**************************************************************************** |
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2 ** |
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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 #endif // QT_H |
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44 |
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45 |
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46 /***************************************************************************** |
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47 QDate class |
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48 *****************************************************************************/ |
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49 |
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50 class Q_EXPORT QDate |
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51 { |
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52 public: |
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53 QDate() { jd=0; } // set null date |
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54 QDate( int y, int m, int d ); // set date |
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55 virtual ~QDate() {} |
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56 |
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57 bool isNull() const { return jd == 0; } |
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58 bool isValid() const; // valid date |
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59 |
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60 int year() const; // 1752.. |
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61 int month() const; // 1..12 |
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62 int day() const; // 1..31 |
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63 int dayOfWeek() const; // 1..7 (monday==1) |
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64 int dayOfYear() const; // 1..365 |
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65 int daysInMonth() const; // 28..31 |
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66 int daysInYear() const; // 365 or 366 |
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67 |
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68 virtual QString monthName( int month ) const; |
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69 virtual QString dayName( int weekday ) const; |
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70 |
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71 QString toString() const; |
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72 |
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73 bool setYMD( int y, int m, int d ); |
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74 |
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75 QDate addDays( int days ) const; |
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76 int daysTo( const QDate & ) const; |
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77 |
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78 bool operator==( const QDate &d ) const { return jd == d.jd; } |
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79 bool operator!=( const QDate &d ) const { return jd != d.jd; } |
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80 bool operator<( const QDate &d ) const { return jd < d.jd; } |
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81 bool operator<=( const QDate &d ) const { return jd <= d.jd; } |
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82 bool operator>( const QDate &d ) const { return jd > d.jd; } |
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83 bool operator>=( const QDate &d ) const { return jd >= d.jd; } |
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84 |
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85 static QDate currentDate(); |
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86 static bool isValid( int y, int m, int d ); |
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87 static bool leapYear( int year ); |
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88 |
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89 protected: |
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90 static uint greg2jul( int y, int m, int d ); |
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91 static void jul2greg( uint jd, int &y, int &m, int &d ); |
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92 private: |
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93 static const char * const monthNames[]; |
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94 static const char * const weekdayNames[]; |
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95 uint jd; |
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96 friend class QDateTime; |
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97 #ifndef QT_NO_DATASTREAM |
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98 friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & ); |
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99 friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & ); |
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100 #endif |
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101 }; |
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102 |
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103 |
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104 /***************************************************************************** |
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105 QTime class |
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106 *****************************************************************************/ |
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107 |
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108 class Q_EXPORT QTime |
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109 { |
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110 public: |
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111 QTime() { ds=0; } // set null time |
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112 QTime( int h, int m, int s=0, int ms=0 ); // set time |
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113 |
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114 bool isNull() const { return ds == 0; } |
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115 bool isValid() const; // valid time |
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116 |
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117 int hour() const; // 0..23 |
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118 int minute() const; // 0..59 |
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119 int second() const; // 0..59 |
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120 int msec() const; // 0..999 |
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121 |
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122 QString toString() const; |
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123 |
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124 bool setHMS( int h, int m, int s, int ms=0 ); |
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125 |
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126 QTime addSecs( int secs ) const; |
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127 int secsTo( const QTime & ) const; |
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128 QTime addMSecs( int ms ) const; |
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129 int msecsTo( const QTime & ) const; |
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130 |
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131 bool operator==( const QTime &d ) const { return ds == d.ds; } |
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132 bool operator!=( const QTime &d ) const { return ds != d.ds; } |
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133 bool operator<( const QTime &d ) const { return ds < d.ds; } |
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134 bool operator<=( const QTime &d ) const { return ds <= d.ds; } |
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135 bool operator>( const QTime &d ) const { return ds > d.ds; } |
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136 bool operator>=( const QTime &d ) const { return ds >= d.ds; } |
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137 |
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138 static QTime currentTime(); |
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139 static bool isValid( int h, int m, int s, int ms=0 ); |
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140 |
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141 void start(); |
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142 int restart(); |
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143 int elapsed(); |
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144 |
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145 private: |
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146 static bool currentTime( QTime * ); |
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147 |
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148 uint ds; |
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149 friend class QDateTime; |
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150 #ifndef QT_NO_DATASTREAM |
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151 friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & ); |
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152 friend Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & ); |
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153 #endif |
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154 }; |
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155 |
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156 |
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157 /***************************************************************************** |
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158 QDateTime class |
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159 *****************************************************************************/ |
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160 |
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161 class Q_EXPORT QDateTime |
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162 { |
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163 public: |
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164 QDateTime() {} // set null date and null time |
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165 QDateTime( const QDate & ); |
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166 QDateTime( const QDate &, const QTime & ); |
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167 |
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168 bool isNull() const { return d.isNull() && t.isNull(); } |
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169 bool isValid() const { return d.isValid() && t.isValid(); } |
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170 |
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171 QDate date() const { return d; } |
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172 QTime time() const { return t; } |
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173 void setDate( const QDate &date ) { d=date; } |
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174 void setTime( const QTime &time ) { t=time; } |
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175 void setTime_t( uint secsSince1Jan1970UTC ); |
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176 |
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177 QString toString() const; |
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178 |
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179 QDateTime addDays( int days ) const; |
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180 QDateTime addSecs( int secs ) const; |
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181 int daysTo( const QDateTime & ) const; |
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182 int secsTo( const QDateTime & ) const; |
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183 |
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184 bool operator==( const QDateTime &dt ) const; |
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185 bool operator!=( const QDateTime &dt ) const; |
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186 bool operator<( const QDateTime &dt ) const; |
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187 bool operator<=( const QDateTime &dt ) const; |
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188 bool operator>( const QDateTime &dt ) const; |
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189 bool operator>=( const QDateTime &dt ) const; |
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190 |
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191 static QDateTime currentDateTime(); |
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192 |
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193 private: |
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194 QDate d; |
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195 QTime t; |
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196 #ifndef QT_NO_DATASTREAM |
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197 friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime &); |
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198 friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & ); |
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199 #endif |
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200 }; |
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201 |
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202 |
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203 /***************************************************************************** |
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204 Date and time stream functions |
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205 *****************************************************************************/ |
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206 |
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207 #ifndef QT_NO_DATASTREAM |
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208 Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & ); |
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209 Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & ); |
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210 Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & ); |
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211 Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & ); |
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212 Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime & ); |
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213 Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & ); |
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214 #endif // QT_NO_DATASTREAM |
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215 |
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216 #endif // QDATETIME_H |