include/wx/msw/private/datecontrols.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/private/datecontrols.h
   3 // Purpose:     implementation helpers for wxDatePickerCtrl and wxCalendarCtrl
   4 // Author:      Vadim Zeitlin
   5 // Created:     2008-04-04
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _MSW_PRIVATE_DATECONTROLS_H_
  12 #define _MSW_PRIVATE_DATECONTROLS_H_
  13
  14 // namespace for the helper functions related to the date controls
  15 namespace wxMSWDateControls
  16 {
  17
  18 // do the one time only initialization of date classes of comctl32.dll, return
  19 // true if ok or log an error and return false if we failed (this can only
  20 // happen with a very old version of common controls DLL, i.e. before 4.70)
  21 extern bool CheckInitialization();
  22
  23 // convert SYSTEMTIME to wxDateTime
  24 inline void FromSystemTime(wxDateTime *dt, const SYSTEMTIME& st)
  25 {
  26     dt->Set(st.wDay,
  27             wx_static_cast(wxDateTime::Month, wxDateTime::Jan + st.wMonth - 1),
  28             st.wYear,
  29             0, 0, 0);
  30 }
  31
  32 // convert wxDateTime to SYSTEMTIME
  33 inline void ToSystemTime(SYSTEMTIME *st, const wxDateTime& dt)
  34 {
  35     const wxDateTime::Tm tm(dt.GetTm());
  36
  37     st->wYear = (WXWORD)tm.year;
  38     st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
  39     st->wDay = tm.mday;
  40
  41     st->wDayOfWeek =
  42     st->wHour =
  43     st->wMinute =
  44     st->wSecond =
  45     st->wMilliseconds = 0;
  46 }
  47
  48 } // namespace wxMSWDateControls
  49
  50 #endif // _MSW_PRIVATE_DATECONTROLS_H_
  51