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 #include "wx/datetime.h"
  15
  16 #include "wx/msw/wrapwin.h"
  17
  18 // namespace for the helper functions related to the date controls
  19 namespace wxMSWDateControls
  20 {
  21
  22 // do the one time only initialization of date classes of comctl32.dll, return
  23 // true if ok or log an error and return false if we failed (this can only
  24 // happen with a very old version of common controls DLL, i.e. before 4.70)
  25 extern bool CheckInitialization();
  26
  27 // convert SYSTEMTIME to wxDateTime
  28 inline void FromSystemTime(wxDateTime *dt, const SYSTEMTIME& st)
  29 {
  30     dt->Set(st.wDay,
  31             wx_static_cast(wxDateTime::Month, wxDateTime::Jan + st.wMonth - 1),
  32             st.wYear,
  33             0, 0, 0);
  34 }
  35
  36 // convert wxDateTime to SYSTEMTIME
  37 inline void ToSystemTime(SYSTEMTIME *st, const wxDateTime& dt)
  38 {
  39     const wxDateTime::Tm tm(dt.GetTm());
  40
  41     st->wYear = (WXWORD)tm.year;
  42     st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
  43     st->wDay = tm.mday;
  44
  45     st->wDayOfWeek =
  46     st->wHour =
  47     st->wMinute =
  48     st->wSecond =
  49     st->wMilliseconds = 0;
  50 }
  51
  52 } // namespace wxMSWDateControls
  53
  54 #endif // _MSW_PRIVATE_DATECONTROLS_H_
  55