Added wxDC::GetPartialTextExtents

[wxWidgets.git] / src / common / datetime.cpp

diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp
index 6c87ccc2368bcd26bbe23989e9afca0d9930d582..9c14cc43db07e0f51dca7e3d9af7db60f48f9577 100644 (file)
--- a/src/common/datetime.cpp
+++ b/src/common/datetime.cpp
@@ -52,7 +52,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "datetime.h"
 #endif
 
     #pragma implementation "datetime.h"
 #endif
 


@@ -78,10 +78,27 @@
 #include <ctype.h>
 
 #include "wx/datetime.h"
 #include <ctype.h>
 
 #include "wx/datetime.h"

-#include "wx/timer.h"           // for wxGetLocalTimeMillis()
+#include "wx/stopwatch.h"           // for wxGetLocalTimeMillis()

 
 const long wxDateTime::TIME_T_FACTOR = 1000l;
 
 
 const long wxDateTime::TIME_T_FACTOR = 1000l;
 

+#if wxUSE_EXTENDED_RTTI
+
+template<> void wxStringReadValue(const wxString &s , wxDateTime &data )
+{
+    data.ParseFormat(s,wxT("%Y-%m-%d %H:%M:%S")) ;
+}
+
+template<> void wxStringWriteValue(wxString &s , const wxDateTime &data )
+{
+    s = data.Format(wxT("%Y-%m-%d %H:%M:%S")) ;
+}
+
+wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringConverter<wxDateTime>)
+
+#endif
+
+//

 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------


@@ -257,11 +274,10 @@ wxDateTime::wxDateTime_t GetNumOfDaysInMonth(int year, wxDateTime::Month month)
 // (in seconds)
 static int GetTimeZone()
 {
 // (in seconds)
 static int GetTimeZone()
 {

+#ifdef WX_GMTOFF_IN_TM

     // set to TRUE when the timezone is set
     static bool s_timezoneSet = FALSE;
     // set to TRUE when the timezone is set
     static bool s_timezoneSet = FALSE;

-#ifdef WX_GMTOFF_IN_TM

     static long gmtoffset = LONG_MAX; // invalid timezone
     static long gmtoffset = LONG_MAX; // invalid timezone

-#endif

 
     // ensure that the timezone variable is set by calling localtime
     if ( !s_timezoneSet )
 
     // ensure that the timezone variable is set by calling localtime
     if ( !s_timezoneSet )


@@ -274,19 +290,16 @@ static int GetTimeZone()
         tm = localtime(&t);
         s_timezoneSet = TRUE;
 
         tm = localtime(&t);
         s_timezoneSet = TRUE;
 

-#ifdef WX_GMTOFF_IN_TM

         // note that GMT offset is the opposite of time zone and so to return
         // consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
         // cases we have to negate it
         gmtoffset = -tm->tm_gmtoff;
         // note that GMT offset is the opposite of time zone and so to return
         // consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
         // cases we have to negate it
         gmtoffset = -tm->tm_gmtoff;

-#endif

     }
 
     }
 

-#ifdef WX_GMTOFF_IN_TM

     return (int)gmtoffset;
     return (int)gmtoffset;

-#else
+#else // !WX_GMTOFF_IN_TM

     return (int)WX_TIMEZONE;
     return (int)WX_TIMEZONE;

-#endif
+#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM

 }
 
 // return the integral part of the JDN for the midnight of the given date (to
 }
 
 // return the integral part of the JDN for the midnight of the given date (to


@@ -344,6 +357,12 @@ static wxString CallStrftime(const wxChar *format, const tm* tm)
 
 #ifdef HAVE_STRPTIME
 
 
 #ifdef HAVE_STRPTIME
 

+// glibc2 doesn't define this in the headers unless _XOPEN_SOURCE is defined
+// which, unfortunately, wreaks havoc elsewhere
+#if defined(__GLIBC__) && (__GLIBC__ == 2)
+    extern "C" char *strptime(const char *, const char *, struct tm *);
+#endif
+

 // Unicode-friendly strptime() wrapper
 static const wxChar *
 CallStrptime(const wxChar *input, const char *fmt, tm *tm)
 // Unicode-friendly strptime() wrapper
 static const wxChar *
 CallStrptime(const wxChar *input, const char *fmt, tm *tm)


@@ -820,14 +839,29 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm)
 {
     tm tm;
     InitTm(tm);
 {
     tm tm;
     InitTm(tm);

+    wxChar buffer[64];
+    // @Note: Do not call 'CallStrftime' here! CallStrftime checks the return code
+    // and causes an assertion failed if the buffer is to small (which is good) - OR -
+    // if strftime does not return anything because the format string is invalid - OR -
+    // if there are no 'am' / 'pm' tokens defined for the current locale (which is not good).
+    // wxDateTime::ParseTime will try several different formats to parse the time.
+    // As a result, GetAmPmStrings might get called, even if the current locale
+    // does not define any 'am' / 'pm' tokens. In this case, wxStrftime would
+    // assert, even though it is a perfectly legal use.

     if ( am )
     {
     if ( am )
     {

-        *am = CallStrftime(_T("%p"), &tm);
+        if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0)
+            *am = wxString(buffer);
+        else
+            *am = wxString();

     }
     if ( pm )
     {
         tm.tm_hour = 13;
     }
     if ( pm )
     {
         tm.tm_hour = 13;

-        *pm = CallStrftime(_T("%p"), &tm);
+        if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0)
+            *pm = wxString(buffer);
+        else
+            *pm = wxString();

     }
 }
 
     }
 }
 


@@ -1292,6 +1326,7 @@ wxDateTime& wxDateTime::ResetTime()
 wxDateTime& wxDateTime::SetFromDOS(unsigned long ddt)
 {
     struct tm tm;
 wxDateTime& wxDateTime::SetFromDOS(unsigned long ddt)
 {
     struct tm tm;

+    InitTm(tm);

 
     long year = ddt & 0xFE000000;
     year >>= 25;
 
     long year = ddt & 0xFE000000;
     year >>= 25;


@@ -1852,7 +1887,7 @@ wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday)
         // for Dec, we can't compare with gs_cumulatedDays[mon + 1], but we
         // don't need it neither - because of the CHECK above we know that
         // yday lies in December then
         // for Dec, we can't compare with gs_cumulatedDays[mon + 1], but we
         // don't need it neither - because of the CHECK above we know that
         // yday lies in December then

-        if ( (mon == Dec) || (yday < gs_cumulatedDays[isLeap][mon + 1]) )
+        if ( (mon == Dec) || (yday <= gs_cumulatedDays[isLeap][mon + 1]) )

         {
             Set(yday - gs_cumulatedDays[isLeap][mon], mon, year);
 
         {
             Set(yday - gs_cumulatedDays[isLeap][mon], mon, year);
 


@@ -2668,7 +2703,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
         // parse the optional width
         size_t width = 0;
 
         // parse the optional width
         size_t width = 0;

-        while ( isdigit(*++fmt) )
+        while ( wxIsdigit(*++fmt) )

         {
             width *= 10;
             width += *fmt - _T('0');
         {
             width *= 10;
             width += *fmt - _T('0');


@@ -2846,6 +2881,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     wxString am, pm, token = GetAlphaToken(input);
 
                     GetAmPmStrings(&am, &pm);
                     wxString am, pm, token = GetAlphaToken(input);
 
                     GetAmPmStrings(&am, &pm);

+                    if (am.IsEmpty() && pm.IsEmpty())
+                        return (wxChar *)NULL;  // no am/pm strings defined

                     if ( token.CmpNoCase(pm) == 0 )
                     {
                         isPM = TRUE;
                     if ( token.CmpNoCase(pm) == 0 )
                     {
                         isPM = TRUE;


@@ -3183,6 +3220,14 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
     Set(tm);
 
 
     Set(tm);
 

+    // finally check that the week day is consistent -- if we had it
+    if ( haveWDay && GetWeekDay() != wday )
+    {
+        wxLogDebug(_T("inconsistsnet week day in wxDateTime::ParseFormat()"));
+
+        return NULL;
+    }
+

     return input;
 }
 
     return input;
 }
 


@@ -3190,11 +3235,48 @@ const wxChar *wxDateTime::ParseDateTime(const wxChar *date)
 {
     wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") );
 
 {
     wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") );
 

-    // there is a public domain version of getdate.y, but it only works for
-    // English...
-    wxFAIL_MSG(_T("TODO"));
+    // Set to current day and hour, so strings like '14:00' becomes today at
+    // 14, not some other random date
+    wxDateTime dtDate = wxDateTime::Today();
+    wxDateTime dtTime = wxDateTime::Today();

 
 

-    return (wxChar *)NULL;
+    const wxChar* pchTime;
+
+    // Try to parse the beginning of the string as a date
+    const wxChar* pchDate = dtDate.ParseDate(date);
+
+    // We got a date in the beginning, see if there is a time specified after the date
+    if ( pchDate )
+    {
+        // Skip spaces, as the ParseTime() function fails on spaces
+        while ( wxIsspace(*pchDate) )
+            pchDate++;
+
+        pchTime = dtTime.ParseTime(pchDate);
+    }
+    else // no date in the beginning
+    {
+        // check and see if we have a time followed by a date
+        pchTime = dtTime.ParseTime(date);
+        if ( pchTime )
+        {
+            while ( wxIsspace(*pchTime) )
+                pchTime++;
+
+            pchDate = dtDate.ParseDate(pchTime);
+        }
+    }
+
+    // If we have a date specified, set our own data to the same date
+    if ( !pchDate || !pchTime )
+        return NULL;
+
+    Set(dtDate.GetDay(), dtDate.GetMonth(), dtDate.GetYear(),
+        dtTime.GetHour(), dtTime.GetMinute(), dtTime.GetSecond(),
+        dtTime.GetMillisecond());
+
+    // Return endpoint of scan
+    return pchDate > pchTime ? pchDate : pchTime;

 }
 
 const wxChar *wxDateTime::ParseDate(const wxChar *date)
 }
 
 const wxChar *wxDateTime::ParseDate(const wxChar *date)


@@ -3285,18 +3367,27 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
             }
             else // not the month
             {
             }
             else // not the month
             {

-                wxDateTime_t maxDays = haveMon
-                    ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon)
-                    : 31;
-
-                // can it be day?
-                if ( (val == 0) || (val > (unsigned long)maxDays) )  // cast to shut up compiler warning in BCC
+                if ( haveDay )

                 {
                 {

+                    // this can only be the year

                     isYear = TRUE;
                 }
                     isYear = TRUE;
                 }

-                else
+                else // may be either day or year

                 {
                 {

-                    isDay = TRUE;
+                    wxDateTime_t maxDays = haveMon
+                        ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon)
+                        : 31;
+
+                    // can it be day?
+                    if ( (val == 0) || (val > (unsigned long)maxDays) )
+                    {
+                        // no
+                        isYear = TRUE;
+                    }
+                    else // yes, suppose it's the day
+                    {
+                        isDay = TRUE;
+                    }

                 }
             }
 
                 }
             }
 


@@ -3459,8 +3550,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                 mon = (wxDateTime::Month)(day - 1);
 
                 // we're in the current year then
                 mon = (wxDateTime::Month)(day - 1);
 
                 // we're in the current year then

-                if ( (year > 0) &&
-                        (unsigned)year <= GetNumOfDaysInMonth(Inv_Year, mon) )
+                if ( (year > 0) && (year <= (int)GetNumOfDaysInMonth(Inv_Year, mon)) )

                 {
                     day = year;
 
                 {
                     day = year;