parameter, it is currently ignored as only the Gregorian calendar is
supported. Future versions will support other calendars.
- @beginWxPythonOnly
- These methods are standalone functions named
- "wxDateTime_<StaticMethodName>" in wxPython.
- @endWxPythonOnly
-
-
@section datetime_formatting Date Formatting and Parsing
The date formatting and parsing functions convert wxDateTime objects to and
/**
Same as Set().
-
- @beginWxPythonOnly
- This constructor is named "wxDateTimeFromTimeT" in wxPython.
- @endWxPythonOnly
*/
wxDateTime(time_t timet);
/**
Same as Set().
-
- @beginWxPythonOnly Unsupported. @endWxPythonOnly
*/
wxDateTime(const struct tm& tm);
/**
Same as Set().
-
- @beginWxPythonOnly
- This constructor is named "wxDateTimeFromJDN" in wxPython.
- @endWxPythonOnly
*/
wxDateTime(double jdn);
/**
Same as Set().
-
- @beginWxPythonOnly
- This constructor is named "wxDateTimeFromHMS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime(wxDateTime_t hour, wxDateTime_t minute = 0,
wxDateTime_t second = 0, wxDateTime_t millisec = 0);
/**
Same as Set().
-
- @beginWxPythonOnly
- This constructor is named "wxDateTimeFromDMY" in wxPython.
- @endWxPythonOnly
*/
wxDateTime(wxDateTime_t day, Month month,
int year = Inv_Year, wxDateTime_t hour = 0,
/**
Constructs the object from @a timet value holding the number of seconds
- since Jan 1, 1970.
+ since Jan 1, 1970 UTC.
- @beginWxPythonOnly
- This method is named "SetTimeT" in wxPython.
- @endWxPythonOnly
+ If @a timet is invalid, i.e. @code (time_t)-1 @endcode, wxDateTime
+ becomes invalid too, i.e. its IsValid() will return @false.
*/
wxDateTime& Set(time_t timet);
/**
Sets the date and time from the broken down representation in the
standard @a tm structure.
-
- @beginWxPythonOnly Unsupported. @endWxPythonOnly
*/
wxDateTime& Set(const struct tm& tm);
particular instant is the fractional number of days since 12 hours
Universal Coordinated Time (Greenwich mean noon) on January 1 of the
year -4712 in the Julian proleptic calendar.
-
- @beginWxPythonOnly
- This method is named "SetJDN" in wxPython.
- @endWxPythonOnly
*/
wxDateTime& Set(double jdn);
/**
Sets the date to be equal to Today() and the time from supplied
parameters.
-
- @beginWxPythonOnly
- This method is named "SetHMS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime& Set(wxDateTime_t hour, wxDateTime_t minute = 0,
wxDateTime_t second = 0, wxDateTime_t millisec = 0);
unsigned short GetSecond(const TimeZone& tz = Local) const;
/**
- Returns the number of seconds since Jan 1, 1970. An assert failure will
- occur if the date is not in the range covered by @c time_t type.
+ Returns the number of seconds since Jan 1, 1970 UTC.
+
+ An assert failure will occur if the date is not in the range covered by
+ @c time_t type, use GetValue() if you work with dates outside of it.
*/
time_t GetTicks() const;
/**
Returns @true if the date is equal to another one up to the given time
- interval, i.e. if the absolute difference between the two dates is less
+ interval, i.e.\ if the absolute difference between the two dates is less
than this interval.
*/
bool IsEqualUpTo(const wxDateTime& dt, const wxTimeSpan& ts) const;
/**
Adds the given date span to this object.
-
- @beginWxPythonOnly
- This method is named "AddDS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime Add(const wxDateSpan& diff) const;
/**
Adds the given date span to this object.
-
- @beginWxPythonOnly
- This method is named "AddDS" in wxPython.
- @endWxPythonOnly
*/
- wxDateTime Add(const wxDateSpan& diff);
+ wxDateTime& Add(const wxDateSpan& diff);
/**
Adds the given time span to this object.
-
- @beginWxPythonOnly
- This method is named "AddTS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime Add(const wxTimeSpan& diff) const;
/**
Adds the given time span to this object.
-
- @beginWxPythonOnly
- This method is named "AddTS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime& Add(const wxTimeSpan& diff);
/**
Subtracts the given time span from this object.
-
- @beginWxPythonOnly
- This method is named "SubtractTS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime Subtract(const wxTimeSpan& diff) const;
/**
Subtracts the given time span from this object.
-
- @beginWxPythonOnly
- This method is named "SubtractTS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime& Subtract(const wxTimeSpan& diff);
/**
Subtracts the given date span from this object.
-
- @beginWxPythonOnly
- This method is named "SubtractDS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime Subtract(const wxDateSpan& diff) const;
/**
Subtracts the given date span from this object.
-
- @beginWxPythonOnly
- This method is named "SubtractDS" in wxPython.
- @endWxPythonOnly
*/
wxDateTime& Subtract(const wxDateSpan& diff);
/**
them as a wxTimeSpan.
*/
wxTimeSpan Subtract(const wxDateTime& dt) const;
+ /**
+ Returns the difference between this object and @a dt as a wxDateSpan.
+
+ This method allows to find the number of entire years, months, weeks and
+ days between @a dt and this date.
+
+ @since 2.9.5
+ */
+ wxDateSpan DiffAsDateSpan(const wxDateTime& dt) const;
/**
Adds the given date span to this object.
*/
wxDateTime& operator+=(const wxDateSpan& diff);
+ /**
+ Adds the given date span to this object.
+ */
+ wxDateTime operator+(const wxDateSpan& ds) const;
/**
Subtracts the given date span from this object.
*/
wxDateTime& operator-=(const wxDateSpan& diff);
+ /**
+ Subtracts the given date span from this object.
+ */
+ wxDateTime operator-(const wxDateSpan& ds) const;
/**
Adds the given time span to this object.
*/
wxDateTime& operator+=(const wxTimeSpan& diff);
+ /**
+ Adds the given time span to this object.
+ */
+ wxDateTime operator+(const wxTimeSpan& ts) const;
/**
Subtracts the given time span from this object.
*/
wxDateTime& operator-=(const wxTimeSpan& diff);
+ /**
+ Subtracts the given time span from this object.
+ */
+ wxDateTime operator-(const wxTimeSpan& ts) const;
+ /**
+ Subtracts another date from this one and returns the difference between
+ them as a wxTimeSpan.
+ */
+ wxTimeSpan operator-(const wxDateTime& dt2) const;
//@}
WeekFlags flags = Monday_First);
/**
- Sets the date to the day number @a yday in the same year (i.e., unlike
+ Sets the date to the day number @a yday in the same year (i.e.\ unlike
the other functions, this one does not use the current year). The day
number should be in the range 1-366 for the leap years and 1-365 for
the other ones.
/**
- Converts the year in absolute notation (i.e. a number which can be
+ Converts the year in absolute notation (i.e.\ a number which can be
negative, positive or zero) to the year in BC/AD notation. For the
positive years, nothing is done, but the year 0 is year 1 BC and so for
other years there is a difference of 1.
Country country = Country_Default);
/**
- Get the current century, i.e. first two digits of the year, in given
+ Get the current century, i.e.\ first two digits of the year, in given
calendar (only Gregorian is currently supported).
*/
static int GetCentury(int year);
/**
Returns the number of days in the given year. The only supported value
for @a cal currently is @c Gregorian.
-
- @beginWxPythonOnly
- This method is named "GetNumberOfDaysInYear" in wxPython.
- @endWxPythonOnly
*/
static wxDateTime_t GetNumberOfDays(int year, Calendar cal = Gregorian);
/**
Returns the number of days in the given month of the given year. The
only supported value for @a cal currently is @c Gregorian.
-
- @beginWxPythonOnly
- This method is named "GetNumberOfDaysInMonth" in wxPython.
- @endWxPythonOnly
*/
static wxDateTime_t GetNumberOfDays(Month month, int year = Inv_Year,
Calendar cal = Gregorian);
printf("Current time in Paris:\t%s\n", now.Format("%c", wxDateTime::CET).c_str());
@endcode
- @note This function is accurate up to seconds. UNow() should be used
- for better precision, but it is less efficient and might not be
- available on all platforms.
+ @note This function is accurate up to seconds. UNow() can be used if
+ better precision is required.
@see Today()
*/
/**
Returns the object corresponding to the midnight of the current day
- (i.e. the same as Now(), but the time part is set to 0).
+ (i.e.\ the same as Now(), but the time part is set to 0).
@see Now()
*/
static wxDateTime Today();
/**
- Returns the object corresponding to the current time including the
- milliseconds if a function to get time with such precision is available
- on the current platform (supported under most Unices and Win32).
+ Returns the object corresponding to the current UTC time including the
+ milliseconds.
- @see Now()
+ Notice that unlike Now(), this method creates a wxDateTime object
+ corresponding to UTC, not local, time.
+
+ @see Now(), wxGetUTCTimeMillis()
*/
static wxDateTime UNow();
};
*/
int GetMonths() const;
+ /**
+ Returns the combined number of months in this date span, counting both
+ years and months.
+
+ @see GetYears(), GetMonths()
+
+ @since 2.9.5
+ */
+ int GetTotalMonths() const;
+
/**
Returns the combined number of days in this date span, counting both
weeks and days. This doesn't take months or years into account.
bool IsEqualTo(const wxTimeSpan& ts) const;
/**
- Compares two timespans: works with the absolute values, i.e. -2 hours
+ Compares two timespans: works with the absolute values, i.e.\ -2 hours
is longer than 1 hour. Also, it will return @false if the timespans are
equal in absolute value.
*/
bool IsPositive() const;
/**
- Compares two timespans: works with the absolute values, i.e. 1 hour is
+ Compares two timespans: works with the absolute values, i.e.\ 1 hour is
shorter than -2 hours. Also, it will return @false if the timespans are
equal in absolute value.
*/