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even more wxDateTime work (completely broken for now, but support for the

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full date range almost finished)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4793 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
1999-12-02 01:01:26 +00:00
parent f151e8b583
commit e6ec579c77
4 changed files with 350 additions and 41 deletions
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30
include/wx/datetime.h
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@@ -331,7 +331,7 @@ public:
// instead of modifying the member fields directly!
struct Tm
{
wxDateTime_t sec, min, hour, mday;
wxDateTime_t msec, sec, min, hour, mday;
Month mon;
int year;
@@ -354,10 +354,10 @@ public:
}
// add the given number of months to the date keeping it normalized
void AddMonths(wxDateTime_t monDiff);
void AddMonths(int monDiff);
// add the given number of months to the date keeping it normalized
void AddDays(wxDateTime_t dayDiff);
void AddDays(int dayDiff);
private:
// compute the weekday from other fields
@@ -457,6 +457,9 @@ public:
// from broken down time/date (any range)
inline wxDateTime(const Tm& tm);
// from JDN (beware of rounding errors)
inline wxDateTime(double jdn);
// from separate values for each component, date set to today
inline wxDateTime(wxDateTime_t hour,
wxDateTime_t minute = 0,
@@ -492,6 +495,9 @@ public:
// set to given broken down time/date
inline wxDateTime& Set(const Tm& tm);
// set to given JDN (beware of rounding errors)
wxDateTime& Set(double jdn);
// set to given time, date = today
wxDateTime& Set(wxDateTime_t hour,
wxDateTime_t minute = 0,
@@ -590,11 +596,12 @@ public:
// of days relative to a base date of December 31 of the year 0. Thus
// January 1 of the year 1 is Rata Die day 1.
// get the Julian Day number
long GetJulianDay() const;
// get the Julian Day number (the fractional part specifies the time of
// the day, related to noon - beware of rounding errors!)
double GetJulianDayNumber() const;
// get the Rata Die number
long GetRataDie() const;
double GetRataDie() const;
// TODO algorithms for calculating some important dates, such as
// religious holidays (Easter...) or moon/solar eclipses? Some
@@ -899,16 +906,9 @@ public:
// timespans are equal in absolute value.
bool IsShorterThan(const wxTimeSpan& t) const { return !IsLongerThan(t); }
// breaking into years, ..., days, ..., seconds: all these functions
// behave like GetYears() which returns 1 for the timespan of 1 year and 1
// day, but 0 (and not -1) for the negative timespan of 1 year without 1
// day. IOW, (ts - wxTimeSpan(ts.GetYears())).GetYears() is always 0.
// breaking into days, hours, minutes and seconds
// ------------------------------------------------------------------------
// get the max number of years in this timespan
inline int GetYears() const;
// get the max number of months in this timespan
inline int GetMonths() const;
// get the max number of weeks in this timespan
inline int GetWeeks() const;
// get the max number of days in this timespan
@@ -918,7 +918,7 @@ public:
// get the max number of minutes in this timespan
inline int GetMinutes() const;
// get the max number of seconds in this timespan
inline int GetSeconds() const;
inline wxLongLong GetSeconds() const;
// get the number of milliseconds in this timespan
wxLongLong GetMilliseconds() const { return m_diff; }