diff --git a/interface/wx/datetime.h b/interface/wx/datetime.h index e7ebd8d947..950ac809e8 100644 --- a/interface/wx/datetime.h +++ b/interface/wx/datetime.h @@ -170,6 +170,128 @@ public: Julian ///< calendar in use since -45 until the 1582 (or later) }; + /** + Values corresponding to different dates of adoption of the Gregorian + calendar. + + @see IsGregorianDate + */ + enum GregorianAdoption + { + Gr_Unknown, ///< no data for this country or it's too uncertain to use + Gr_Standard, ///< on the day 0 of Gregorian calendar: 15 Oct 1582 + + Gr_Alaska, ///< Oct 1867 when Alaska became part of the USA + Gr_Albania, ///< Dec 1912 + + Gr_Austria = Gr_Unknown, ///< Different regions on different dates + Gr_Austria_Brixen, ///< 5 Oct 1583 -> 16 Oct 1583 + Gr_Austria_Salzburg = Gr_Austria_Brixen, + Gr_Austria_Tyrol = Gr_Austria_Brixen, + Gr_Austria_Carinthia, ///< 14 Dec 1583 -> 25 Dec 1583 + Gr_Austria_Styria = Gr_Austria_Carinthia, + + Gr_Belgium, ///< Then part of the Netherlands + + Gr_Bulgaria = Gr_Unknown, ///< Unknown precisely (from 1915 to 1920) + Gr_Bulgaria_1, ///< 18 Mar 1916 -> 1 Apr 1916 + Gr_Bulgaria_2, ///< 31 Mar 1916 -> 14 Apr 1916 + Gr_Bulgaria_3, ///< 3 Sep 1920 -> 17 Sep 1920 + + Gr_Canada = Gr_Unknown, ///< Different regions followed the changes in + ///< Great Britain or France + + Gr_China = Gr_Unknown, ///< Different authorities say: + Gr_China_1, ///< 18 Dec 1911 -> 1 Jan 1912 + Gr_China_2, ///< 18 Dec 1928 -> 1 Jan 1929 + + Gr_Czechoslovakia, ///< (Bohemia and Moravia) 6 Jan 1584 -> 17 Jan 1584 + Gr_Denmark, ///< (including Norway) 18 Feb 1700 -> 1 Mar 1700 + Gr_Egypt, ///< 1875 + Gr_Estonia, ///< 1918 + Gr_Finland, ///< Then part of Sweden + + Gr_France, ///< 9 Dec 1582 -> 20 Dec 1582 + Gr_France_Alsace, ///< 4 Feb 1682 -> 16 Feb 1682 + Gr_France_Lorraine, ///< 16 Feb 1760 -> 28 Feb 1760 + Gr_France_Strasbourg, ///< February 1682 + + Gr_Germany = Gr_Unknown, ///< Different states on different dates: + Gr_Germany_Catholic, ///< 1583-1585 (we take 1584) + Gr_Germany_Prussia, ///< 22 Aug 1610 -> 2 Sep 1610 + Gr_Germany_Protestant, ///< 18 Feb 1700 -> 1 Mar 1700 + + Gr_GreatBritain, ///< 2 Sep 1752 -> 14 Sep 1752 (use 'cal(1)') + + Gr_Greece, ///< 9 Mar 1924 -> 23 Mar 1924 + Gr_Hungary, ///< 21 Oct 1587 -> 1 Nov 1587 + Gr_Ireland = Gr_GreatBritain, + Gr_Italy = Gr_Standard, + + Gr_Japan = Gr_Unknown, ///< Different authorities say: + Gr_Japan_1, ///< 19 Dec 1872 -> 1 Jan 1873 + Gr_Japan_2, ///< 19 Dec 1892 -> 1 Jan 1893 + Gr_Japan_3, ///< 18 Dec 1918 -> 1 Jan 1919 + + Gr_Latvia, ///< 1915-1918 (we take 1915) + Gr_Lithuania, ///< 1915 + Gr_Luxemburg, ///< 14 Dec 1582 -> 25 Dec 1582 + Gr_Netherlands = Gr_Belgium, ///< (including Belgium) 1 Jan 1583 + + /** + Special case of Groningen. + + The Gregorian calendar was introduced twice in Groningen, first + time 28 Feb 1583 was followed by 11 Mar 1583, then it has gone back + to Julian in the summer of 1584 and then 13 Dec 1700 was followed + by 12 Jan 1701 -- which is the date we take into account here. + */ + Gr_Netherlands_Groningen, ///< 13 Dec 1700 -> 12 Jan 1701 + Gr_Netherlands_Gelderland, ///< 30 Jun 1700 -> 12 Jul 1700 + Gr_Netherlands_Utrecht, ///< (and Overijssel) 30 Nov 1700->12 Dec 1700 + Gr_Netherlands_Friesland, ///< (and Drenthe) 31 Dec 1700 -> 12 Jan 1701 + + Gr_Norway = Gr_Denmark, ///< Then part of Denmark + Gr_Poland = Gr_Standard, + Gr_Portugal = Gr_Standard, + Gr_Romania, ///< 31 Mar 1919 -> 14 Apr 1919 + Gr_Russia, ///< 31 Jan 1918 -> 14 Feb 1918 + Gr_Scotland = Gr_GreatBritain, + Gr_Spain = Gr_Standard, + + /** + Special case of Sweden. + + Sweden has a curious history. Sweden decided to make a gradual + change from the Julian to the Gregorian calendar. By dropping every + leap year from 1700 through 1740 the eleven superfluous days would + be omitted and from 1 Mar 1740 they would be in sync with the + Gregorian calendar. (But in the meantime they would be in sync with + nobody!) + + So 1700 (which should have been a leap year in the Julian calendar) + was not a leap year in Sweden. However, by mistake 1704 and 1708 + became leap years. This left Sweden out of synchronisation with + both the Julian and the Gregorian world, so they decided to go back + to the Julian calendar. In order to do this, they inserted an extra + day in 1712, making that year a double leap year! So in 1712, + February had 30 days in Sweden. + + Later, in 1753, Sweden changed to the Gregorian calendar by + dropping 11 days like everyone else and this is what we use here. + */ + Gr_Sweden = Gr_Finland, ///< 17 Feb 1753 -> 1 Mar 1753 + + Gr_Switzerland = Gr_Unknown,///< Different cantons used different dates + Gr_Switzerland_Catholic, ///< 1583, 1584 or 1597 (we take 1584) + Gr_Switzerland_Protestant, ///< 31 Dec 1700 -> 12 Jan 1701 + + Gr_Turkey, ///< 1 Jan 1927 + Gr_USA = Gr_GreatBritain, + Gr_Wales = Gr_GreatBritain, + Gr_Yugoslavia ///< 1919 + }; + /** Date calculations often depend on the country and wxDateTime allows to set the country whose conventions should be used using SetCountry(). It takes @@ -244,6 +366,27 @@ public: }; + /** + Class representing a time zone. + + The representation is simply the offset, in seconds, from UTC. + */ + class WXDLLIMPEXP_BASE TimeZone + { + public: + /// Constructor for a named time zone. + TimeZone(TZ tz); + + /// Constructor for the given offset in seconds. + TimeZone(long offset = 0); + + /// Create a time zone with the given offset in seconds. + static TimeZone Make(long offset); + + /// Return the offset of this time zone from UTC, in seconds. + long GetOffset() const; + }; + /** Contains broken down date-time representation.