Common default datetime formats.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31439 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/datetime.tex

@@ -1147,7 +1147,7 @@ free ways, you should use \helpref{ParseDateTime}{wxdatetimeparsedatetime} or
 
 \membersection{wxDateTime::ParseFormat}\label{wxdatetimeparseformat}
 
-\func{const wxChar *}{ParseFormat}{\param{const wxChar *}{date}, \param{const wxChar *}{format = "\%c"}, \param{const wxDateTime\& }{dateDef = wxDefaultDateTime}}
+\func{const wxChar *}{ParseFormat}{\param{const wxChar *}{date}, \param{const wxChar *}{format = wxDefaultDateTimeFormat}, \param{const wxDateTime\& }{dateDef = wxDefaultDateTime}}
 
 This function parses the string {\it date} according to the given
 {\it format}. The system {\tt strptime(3)} function is used whenever available,
@@ -1211,7 +1211,7 @@ the character which stopped the scan.
 
 \membersection{wxDateTime::Format}\label{wxdatetimeformat}
 
-\constfunc{wxString }{Format}{\param{const wxChar *}{format = "\%c"}, \param{const TimeZone\& }{tz = Local}}
+\constfunc{wxString }{Format}{\param{const wxChar *}{format = wxDefaultDateTimeFormat}, \param{const TimeZone\& }{tz = Local}}
 
 This function does the same as the standard ANSI C {\tt strftime(3)} function.
 Please see its description for the meaning of {\it format} parameter.

docs/latex/wx/timespan.tex

@@ -115,7 +115,7 @@ Returns the timespan for one day.
 
 \membersection{wxTimeSpan::Format}\label{wxtimespanformat}
 
-\func{wxString}{Format}{\param{const wxChar * }{format = "\%H:\%M:\%S"}}
+\func{wxString}{Format}{\param{const wxChar * }{format = wxDefaultTimeSpanFormat}}
 
 Returns the string containing the formatted representation of the time span.
 The following format specifiers are allowed after \%:

include/wx/datetime.h

@@ -110,7 +110,10 @@ 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
 
 // ----------------------------------------------------------------------------
@@ -935,7 +938,7 @@ 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 +953,7 @@ 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")); }
@@ -1138,7 +1141,7 @@ 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
     // ------------------------------------------------------------------------

include/wx/generic/gridctrl.h

@@ -32,8 +32,8 @@
 class WXDLLIMPEXP_ADV wxGridCellDateTimeRenderer : public wxGridCellStringRenderer
 {
 public:
-    wxGridCellDateTimeRenderer(wxString outformat =  _T("%c"),
-                               wxString informat =  _T("%c"));
+    wxGridCellDateTimeRenderer(wxString outformat = wxDefaultDateTimeFormat,
+                               wxString informat = wxDefaultDateTimeFormat);
 
     // draw the string right aligned
     virtual void Draw(wxGrid& grid,

src/common/datetime.cpp

@@ -233,6 +233,9 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] =
 // global data
 // ----------------------------------------------------------------------------
 
+const wxChar * wxDefaultDateTimeFormat = wxT("%c");
+const wxChar * wxDefaultTimeSpanFormat = wxT("%H:%M:%S");
+
 // in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to
 // indicate an invalid wxDateTime object
 const wxDateTime wxDefaultDateTime;

src/generic/logg.cpp

@@ -73,6 +73,8 @@
     #include <wtime.h>
 #endif
 
+#include "wx/datetime.h"
+
 // the suffix we add to the button to show that the dialog can be expanded
 #define EXPAND_SUFFIX _T(" >>")
 
@@ -866,7 +868,7 @@ void wxLogDialog::CreateDetailsControls()
     if ( !fmt )
     {
         // default format
-        fmt = _T("%c");
+        fmt = wxDefaultDateTimeFormat;
     }
 
     size_t count = m_messages.GetCount();
@@ -952,7 +954,7 @@ void wxLogDialog::OnSave(wxCommandEvent& WXUNUSED(event))
     if ( !fmt )
     {
         // default format
-        fmt = _T("%c");
+        fmt = wxDefaultDateTimeFormat;
     }
 
     size_t count = m_messages.GetCount();