X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5e233068dc30e361dd01b64dd8c78dfc80785bdb..2364556be3ab7c26cc23a74a67aeb1c7019a51f5:/include/wx/datetime.h diff --git a/include/wx/datetime.h b/include/wx/datetime.h index 2ed9826fea..962d0396b3 100644 --- a/include/wx/datetime.h +++ b/include/wx/datetime.h @@ -13,10 +13,6 @@ #ifndef _WX_DATETIME_H #define _WX_DATETIME_H -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "datetime.h" -#endif - #include "wx/defs.h" #if wxUSE_DATETIME @@ -56,6 +52,27 @@ class WXDLLIMPEXP_BASE wxDateSpan; * 5. wxDateTimeHolidayAuthority for Easter and other christian feasts */ +/* Two wrapper functions for thread safety */ +#ifdef HAVE_LOCALTIME_R +#define wxLocaltime_r localtime_r +#else +struct tm *wxLocaltime_r(const time_t*, struct tm*); +#if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__) + // On Windows, localtime _is_ threadsafe! +#warning using pseudo thread-safe wrapper for localtime to emulate localtime_r +#endif +#endif + +#ifdef HAVE_GMTIME_R +#define wxGmtime_r gmtime_r +#else +struct tm *wxGmtime_r(const time_t*, struct tm*); +#if wxUSE_THREADS && !defined(__WINDOWS__) && !defined(__WATCOMC__) + // On Windows, gmtime _is_ threadsafe! +#warning using pseudo thread-safe wrapper for gmtime to emulate gmtime_r +#endif +#endif + /* The three (main) classes declared in this header represent: @@ -110,7 +127,10 @@ class WXDLLIMPEXP_BASE wxDateSpan; // wxInvalidDateTime) class WXDLLIMPEXP_BASE wxDateTime; +extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultDateTimeFormat; +extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxDefaultTimeSpanFormat; extern WXDLLIMPEXP_DATA_BASE(const wxDateTime) wxDefaultDateTime; + #define wxInvalidDateTime wxDefaultDateTime // ---------------------------------------------------------------------------- @@ -754,26 +774,38 @@ public: // religious holidays (Easter...) or moon/solar eclipses? Some // algorithms can be found in the calendar FAQ - // timezone stuff: a wxDateTime object constructed using given - // day/month/year/hour/min/sec values correspond to this moment in local - // time. Using the functions below, it may be converted to another time - // zone (for example, the Unix epoch is wxDateTime(1, Jan, 1970).ToGMT()) + + // Timezone stuff: a wxDateTime object constructed using given + // day/month/year/hour/min/sec values is interpreted as this moment in + // local time. Using the functions below, it may be converted to another + // time zone (e.g., the Unix epoch is wxDateTime(1, Jan, 1970).ToGMT()). // - // these functions try to handle DST internally, but there is no magical + // These functions try to handle DST internally, but there is no magical // way to know all rules for it in all countries in the world, so if the // program can handle it itself (or doesn't want to handle it at all for // whatever reason), the DST handling can be disabled with noDST. - // - // Converting to the local time zone doesn't do anything. // ------------------------------------------------------------------------ // transform to any given timezone inline wxDateTime ToTimezone(const TimeZone& tz, bool noDST = false) const; wxDateTime& MakeTimezone(const TimeZone& tz, bool noDST = false); - // transform to GMT/UTC - wxDateTime ToGMT(bool noDST = false) const { return ToTimezone(GMT0, noDST); } - wxDateTime& MakeGMT(bool noDST = false) { return MakeTimezone(GMT0, noDST); } + // interpret current value as being in another timezone and transform + // it to local one + inline wxDateTime FromTimezone(const TimeZone& tz, bool noDST = false) const; + wxDateTime& MakeFromTimezone(const TimeZone& tz, bool noDST = false); + + // transform to/from GMT/UTC + wxDateTime ToUTC(bool noDST = false) const { return ToTimezone(UTC, noDST); } + wxDateTime& MakeUTC(bool noDST = false) { return MakeTimezone(UTC, noDST); } + + wxDateTime ToGMT(bool noDST = false) const { return ToUTC(noDST); } + wxDateTime& MakeGMT(bool noDST = false) { return MakeUTC(noDST); } + + wxDateTime FromUTC(bool noDST = false) const + { return FromTimezone(UTC, noDST); } + wxDateTime& MakeFromUTC(bool noDST = false) + { return MakeFromTimezone(UTC, noDST); } // is daylight savings time in effect at this moment according to the // rules of the specified country? @@ -782,6 +814,7 @@ public: // the information is not available (this is compatible with ANSI C) int IsDST(Country country = Country_Default) const; + // accessors: many of them take the timezone parameter which indicates the // timezone for which to make the calculations and the default value means // to do it for the current timezone of this machine (even if the function @@ -888,6 +921,42 @@ public: // are these two objects equal up to given timespan? inline bool IsEqualUpTo(const wxDateTime& dt, const wxTimeSpan& ts) const; + inline bool operator<(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() < dt.GetValue(); + } + + inline bool operator<=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() <= dt.GetValue(); + } + + inline bool operator>(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() > dt.GetValue(); + } + + inline bool operator>=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() >= dt.GetValue(); + } + + inline bool operator==(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() == dt.GetValue(); + } + + inline bool operator!=(const wxDateTime& dt) const + { + wxASSERT_MSG( IsValid() && dt.IsValid(), _T("invalid wxDateTime") ); + return GetValue() != dt.GetValue(); + } + // arithmetics with dates (see also below for more operators) // ------------------------------------------------------------------------ @@ -897,6 +966,12 @@ public: inline wxDateTime& Add(const wxTimeSpan& diff); // add a time span (positive or negative) inline wxDateTime& operator+=(const wxTimeSpan& diff); + inline wxDateTime operator+(const wxTimeSpan& ts) const + { + wxDateTime dt(*this); + dt.Add(ts); + return dt; + } // return the difference of the date with a time span inline wxDateTime Subtract(const wxTimeSpan& diff) const; @@ -904,6 +979,12 @@ public: inline wxDateTime& Subtract(const wxTimeSpan& diff); // subtract a time span (positive or negative) inline wxDateTime& operator-=(const wxTimeSpan& diff); + inline wxDateTime operator-(const wxTimeSpan& ts) const + { + wxDateTime dt(*this); + dt.Subtract(ts); + return dt; + } // return the sum of the date with a date span inline wxDateTime Add(const wxDateSpan& diff) const; @@ -911,6 +992,12 @@ public: wxDateTime& Add(const wxDateSpan& diff); // add a date span (positive or negative) inline wxDateTime& operator+=(const wxDateSpan& diff); + inline wxDateTime operator+(const wxDateSpan& ds) const + { + wxDateTime dt(*this); + dt.Add(ds); + return dt; + } // return the difference of the date with a date span inline wxDateTime Subtract(const wxDateSpan& diff) const; @@ -918,9 +1005,16 @@ public: inline wxDateTime& Subtract(const wxDateSpan& diff); // subtract a date span (positive or negative) inline wxDateTime& operator-=(const wxDateSpan& diff); + inline wxDateTime operator-(const wxDateSpan& ds) const + { + wxDateTime dt(*this); + dt.Subtract(ds); + return dt; + } // return the difference between two dates inline wxTimeSpan Subtract(const wxDateTime& dt) const; + inline wxTimeSpan operator-(const wxDateTime& dt2) const; // conversion to/from text: all conversions from text return the pointer to // the next character following the date specification (i.e. the one where @@ -935,7 +1029,7 @@ public: // default, they will not change if they had valid values or will // default to Today() otherwise) const wxChar *ParseFormat(const wxChar *date, - const wxChar *format = _T("%c"), + const wxChar *format = wxDefaultDateTimeFormat, const wxDateTime& dateDef = wxDefaultDateTime); // parse a string containing the date/time in "free" format, this // function will try to make an educated guess at the string contents @@ -950,7 +1044,7 @@ public: // argument corresponds to the preferred date and time representation // for the current locale) and returns the string containing the // resulting text representation - wxString Format(const wxChar *format = _T("%c"), + wxString Format(const wxChar *format = wxDefaultDateTimeFormat, const TimeZone& tz = Local) const; // preferred date representation for the current locale wxString FormatDate() const { return Format(_T("%x")); } @@ -982,6 +1076,9 @@ public: return localtime(&t); } + // get current time using thread-safe function + static struct tm *GetTmNow(struct tm *tmstruct); + private: // the current country - as it's the same for all program objects (unless // it runs on a _really_ big cluster system :-), this is a static member: @@ -1059,6 +1156,10 @@ public: inline wxTimeSpan& Add(const wxTimeSpan& diff); // add two timespans together wxTimeSpan& operator+=(const wxTimeSpan& diff) { return Add(diff); } + inline wxTimeSpan operator+(const wxTimeSpan& ts) const + { + return wxTimeSpan(GetValue() + ts.GetValue()); + } // return the difference of two timespans inline wxTimeSpan Subtract(const wxTimeSpan& diff) const; @@ -1066,6 +1167,10 @@ public: inline wxTimeSpan& Subtract(const wxTimeSpan& diff); // subtract another timespan wxTimeSpan& operator-=(const wxTimeSpan& diff) { return Subtract(diff); } + inline wxTimeSpan operator-(const wxTimeSpan& ts) + { + return wxTimeSpan(GetValue() - ts.GetValue()); + } // multiply timespan by a scalar inline wxTimeSpan Multiply(int n) const; @@ -1073,8 +1178,12 @@ public: inline wxTimeSpan& Multiply(int n); // multiply timespan by a scalar wxTimeSpan& operator*=(int n) { return Multiply(n); } + inline wxTimeSpan operator*(int n) const + { + return wxTimeSpan(*this).Multiply(n); + } - // return this timespan with inversed sign + // return this timespan with opposite sign wxTimeSpan Negate() const { return wxTimeSpan(-GetValue()); } // negate the value of the timespan wxTimeSpan& Neg() { m_diff = -GetValue(); return *this; } @@ -1113,6 +1222,36 @@ public: // timespans are equal in absolute value. bool IsShorterThan(const wxTimeSpan& t) const { return !IsLongerThan(t); } + inline bool operator<(const wxTimeSpan &ts) const + { + return GetValue() < ts.GetValue(); + } + + inline bool operator<=(const wxTimeSpan &ts) const + { + return GetValue() <= ts.GetValue(); + } + + inline bool operator>(const wxTimeSpan &ts) const + { + return GetValue() > ts.GetValue(); + } + + inline bool operator>=(const wxTimeSpan &ts) const + { + return GetValue() >= ts.GetValue(); + } + + inline bool operator==(const wxTimeSpan &ts) const + { + return GetValue() == ts.GetValue(); + } + + inline bool operator!=(const wxTimeSpan &ts) const + { + return GetValue() != ts.GetValue(); + } + // breaking into days, hours, minutes and seconds // ------------------------------------------------------------------------ @@ -1138,7 +1277,7 @@ public: // resulting text representation. Notice that only some of format // specifiers valid for wxDateTime are valid for wxTimeSpan: hours, // minutes and seconds make sense, but not "PM/AM" string for example. - wxString Format(const wxChar *format = _T("%H:%M:%S")) const; + wxString Format(const wxChar *format = wxDefaultTimeSpanFormat) const; // implementation // ------------------------------------------------------------------------ @@ -1256,6 +1395,13 @@ public: inline wxDateSpan& Add(const wxDateSpan& other); // add another wxDateSpan to us inline wxDateSpan& operator+=(const wxDateSpan& other); + inline wxDateSpan operator+(const wxDateSpan& ds) const + { + return wxDateSpan(GetYears() + ds.GetYears(), + GetMonths() + ds.GetMonths(), + GetWeeks() + ds.GetWeeks(), + GetDays() + ds.GetDays()); + } // return difference of two date spans inline wxDateSpan Subtract(const wxDateSpan& other) const; @@ -1263,6 +1409,13 @@ public: inline wxDateSpan& Subtract(const wxDateSpan& other); // subtract another wxDateSpan from us inline wxDateSpan& operator-=(const wxDateSpan& other); + inline wxDateSpan operator-(const wxDateSpan& ds) const + { + return wxDateSpan(GetYears() - ds.GetYears(), + GetMonths() - ds.GetMonths(), + GetWeeks() - ds.GetWeeks(), + GetDays() - ds.GetDays()); + } // return a copy of this time span with changed sign inline wxDateSpan Negate() const; @@ -1277,6 +1430,23 @@ public: inline wxDateSpan& Multiply(int factor); // multiply all components by a (signed) number inline wxDateSpan& operator*=(int factor) { return Multiply(factor); } + inline wxDateSpan operator*(int n) const + { + return wxDateSpan(*this).Multiply(n); + } + + // ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2 + inline bool operator==(const wxDateSpan& ds) const + { + return GetYears() == ds.GetYears() && + GetMonths() == ds.GetMonths() && + GetTotalDays() == ds.GetTotalDays(); + } + + inline bool operator!=(const wxDateSpan& ds) const + { + return !(*this == ds); + } private: int m_years, @@ -1391,18 +1561,17 @@ inline bool wxDateTime::IsInStdRange() const /* static */ inline wxDateTime wxDateTime::Now() { - return wxDateTime(*GetTmNow()); + struct tm tmstruct; + return wxDateTime(*GetTmNow(&tmstruct)); } /* static */ inline wxDateTime wxDateTime::Today() { - struct tm *time = GetTmNow(); - time->tm_hour = 0; - time->tm_min = 0; - time->tm_sec = 0; + wxDateTime dt(Now()); + dt.ResetTime(); - return wxDateTime(*time); + return dt; } #if (!(defined(__VISAGECPP__) && __IBMCPP__ >= 400)) @@ -1448,7 +1617,8 @@ inline wxDateTime& wxDateTime::Set(const Tm& tm) { wxASSERT_MSG( tm.IsValid(), _T("invalid broken down date/time") ); - return Set(tm.mday, (Month)tm.mon, tm.year, tm.hour, tm.min, tm.sec); + return Set(tm.mday, (Month)tm.mon, tm.year, + tm.hour, tm.min, tm.sec, tm.msec); } inline wxDateTime::wxDateTime(wxDateTime_t hour, @@ -1669,6 +1839,11 @@ inline wxTimeSpan wxDateTime::Subtract(const wxDateTime& datetime) const return wxTimeSpan(GetValue() - datetime.GetValue()); } +inline wxTimeSpan wxDateTime::operator-(const wxDateTime& dt2) const +{ + return this->Subtract(dt2); +} + inline wxDateTime wxDateTime::Add(const wxDateSpan& diff) const { return wxDateTime(*this).Add(diff); @@ -1698,12 +1873,18 @@ inline wxDateTime& wxDateTime::operator+=(const wxDateSpan& diff) // wxDateTime and timezones // ---------------------------------------------------------------------------- -inline wxDateTime wxDateTime::ToTimezone(const wxDateTime::TimeZone& tz, - bool noDST) const +inline wxDateTime +wxDateTime::ToTimezone(const wxDateTime::TimeZone& tz, bool noDST) const { MODIFY_AND_RETURN( MakeTimezone(tz, noDST) ); } +inline wxDateTime +wxDateTime::FromTimezone(const wxDateTime::TimeZone& tz, bool noDST) const +{ + MODIFY_AND_RETURN( MakeFromTimezone(tz, noDST) ); +} + // ---------------------------------------------------------------------------- // wxTimeSpan construction // ---------------------------------------------------------------------------- @@ -1890,204 +2071,17 @@ inline wxDateSpan wxDateSpan::Subtract(const wxDateSpan& other) const // binary operators // ============================================================================ -// ---------------------------------------------------------------------------- -// wxDateTime operators -// ---------------------------------------------------------------------------- - -// arithmetics -// ----------- - -// no need to check for validity - the member functions we call will do it - -inline wxDateTime WXDLLIMPEXP_BASE operator+(const wxDateTime& dt, - const wxTimeSpan& ts) -{ - return dt.Add(ts); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator-(const wxDateTime& dt, - const wxTimeSpan& ts) -{ - return dt.Subtract(ts); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator+(const wxDateTime& dt, - const wxDateSpan& ds) -{ - return dt.Add(ds); -} - -inline wxDateTime WXDLLIMPEXP_BASE operator-(const wxDateTime& dt, - const wxDateSpan& ds) -{ - return dt.Subtract(ds); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator-(const wxDateTime& dt1, - const wxDateTime& dt2) -{ - return dt1.Subtract(dt2); -} - -// comparison -// ---------- - -inline bool WXDLLIMPEXP_BASE operator<(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() < t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator<=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() <= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() > t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() >= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator==(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() == t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator!=(const wxDateTime& t1, const wxDateTime& t2) -{ - wxASSERT_MSG( t1.IsValid() && t2.IsValid(), _T("invalid wxDateTime") ); - - return t1.GetValue() != t2.GetValue(); -} - // ---------------------------------------------------------------------------- // wxTimeSpan operators // ---------------------------------------------------------------------------- -// arithmetics -// ----------- - -inline wxTimeSpan WXDLLIMPEXP_BASE operator+(const wxTimeSpan& ts1, - const wxTimeSpan& ts2) -{ - return wxTimeSpan(ts1.GetValue() + ts2.GetValue()); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator-(const wxTimeSpan& ts1, - const wxTimeSpan& ts2) -{ - return wxTimeSpan(ts1.GetValue() - ts2.GetValue()); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator*(const wxTimeSpan& ts, int n) -{ - return wxTimeSpan(ts).Multiply(n); -} - -inline wxTimeSpan WXDLLIMPEXP_BASE operator*(int n, const wxTimeSpan& ts) -{ - return wxTimeSpan(ts).Multiply(n); -} - -// comparison -// ---------- - -inline bool WXDLLIMPEXP_BASE operator<(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() < t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator<=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() <= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() > t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator>=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() >= t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator==(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() == t2.GetValue(); -} - -inline bool WXDLLIMPEXP_BASE operator!=(const wxTimeSpan &t1, const wxTimeSpan &t2) -{ - return t1.GetValue() != t2.GetValue(); -} +wxTimeSpan WXDLLIMPEXP_BASE operator*(int n, const wxTimeSpan& ts); // ---------------------------------------------------------------------------- // wxDateSpan // ---------------------------------------------------------------------------- -// comparison -// ---------- - -// ds1 == d2 if and only if for every wxDateTime t t + ds1 == t + ds2 -inline WXDLLIMPEXP_BASE bool operator==(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return ds1.GetYears() == ds2.GetYears() && - ds1.GetMonths() == ds2.GetMonths() && - ds1.GetTotalDays() == ds2.GetTotalDays(); -} - -inline WXDLLIMPEXP_BASE bool operator!=(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return !(ds1 == ds2); -} - -// arithmetics -// ----------- - -inline WXDLLIMPEXP_BASE wxDateSpan operator+(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return wxDateSpan(ds1.GetYears() + ds2.GetYears(), - ds1.GetMonths() + ds2.GetMonths(), - ds1.GetWeeks() + ds2.GetWeeks(), - ds1.GetDays() + ds2.GetDays()); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator-(const wxDateSpan& ds1, - const wxDateSpan& ds2) -{ - return wxDateSpan(ds1.GetYears() - ds2.GetYears(), - ds1.GetMonths() - ds2.GetMonths(), - ds1.GetWeeks() - ds2.GetWeeks(), - ds1.GetDays() - ds2.GetDays()); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator*(const wxDateSpan& ds, int n) -{ - return wxDateSpan(ds).Multiply(n); -} - -inline WXDLLIMPEXP_BASE wxDateSpan operator*(int n, const wxDateSpan& ds) -{ - return wxDateSpan(ds).Multiply(n); -} +wxDateSpan WXDLLIMPEXP_BASE operator*(int n, const wxDateSpan& ds); // ============================================================================ // other helper functions @@ -2099,37 +2093,10 @@ inline WXDLLIMPEXP_BASE wxDateSpan operator*(int n, const wxDateSpan& ds) // for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) ) // ---------------------------------------------------------------------------- -inline WXDLLIMPEXP_BASE void wxNextMonth(wxDateTime::Month& m) -{ - wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") ); - - // no wrapping or the for loop above would never end! - m = (wxDateTime::Month)(m + 1); -} - -inline WXDLLIMPEXP_BASE void wxPrevMonth(wxDateTime::Month& m) -{ - wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") ); - - m = m == wxDateTime::Jan ? wxDateTime::Inv_Month - : (wxDateTime::Month)(m - 1); -} - -inline WXDLLIMPEXP_BASE void wxNextWDay(wxDateTime::WeekDay& wd) -{ - wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") ); - - // no wrapping or the for loop above would never end! - wd = (wxDateTime::WeekDay)(wd + 1); -} - -inline WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd) -{ - wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") ); - - wd = wd == wxDateTime::Sun ? wxDateTime::Inv_WeekDay - : (wxDateTime::WeekDay)(wd - 1); -} +WXDLLIMPEXP_BASE void wxNextMonth(wxDateTime::Month& m); +WXDLLIMPEXP_BASE void wxPrevMonth(wxDateTime::Month& m); +WXDLLIMPEXP_BASE void wxNextWDay(wxDateTime::WeekDay& wd); +WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd); #endif // wxUSE_DATETIME