include/wx/msw/datetimectrl.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/datetimectrl.h
   3 // Purpose:     wxDateTimePickerCtrl for Windows.
   4 // Author:      Vadim Zeitlin
   5 // Created:     2011-09-22 (extracted from wx/msw/datectrl.h).
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2005-2011 Vadim Zeitlin <vadim@wxwindows.org>
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MSW_DATETIMECTRL_H_
  12 #define _WX_MSW_DATETIMECTRL_H_
  13
  14 #include "wx/intl.h"
  15
  16 // Forward declare a struct from Platform SDK.
  17 struct tagNMDATETIMECHANGE;
  18
  19 // ----------------------------------------------------------------------------
  20 // wxDateTimePickerCtrl
  21 // ----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_ADV wxDateTimePickerCtrl : public wxDateTimePickerCtrlBase
  24 {
  25 public:
  26     // set/get the date
  27     virtual void SetValue(const wxDateTime& dt);
  28     virtual wxDateTime GetValue() const;
  29
  30     // returns true if the platform should explicitly apply a theme border
  31     virtual bool CanApplyThemeBorder() const { return false; }
  32
  33     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
  34
  35 protected:
  36     virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
  37     virtual wxSize DoGetBestSize() const;
  38
  39     // Helper for the derived classes Create(): creates a native control with
  40     // the specified attributes.
  41     bool MSWCreateDateTimePicker(wxWindow *parent,
  42                                  wxWindowID id,
  43                                  const wxDateTime& dt,
  44                                  const wxPoint& pos,
  45                                  const wxSize& size,
  46                                  long style,
  47                                  const wxValidator& validator,
  48                                  const wxString& name);
  49
  50     // Notice that the methods below must be overridden in all native MSW
  51     // classes inheriting from this one but they can't be pure virtual because
  52     // the generic implementations, not needing nor able to implement them, is
  53     // also derived from this class currently. The real problem is, of course,
  54     // this wrong class structure because the generic classes also inherit the
  55     // wrong implementations of Set/GetValue() and DoGetBestSize() but as they
  56     // override these methods anyhow, it does work -- but is definitely ugly
  57     // and need to be changed (but how?) in the future.
  58
  59     // Override to return the date/time format used by this control.
  60     virtual wxLocaleInfo MSWGetFormat() const /* = 0 */
  61     {
  62         wxFAIL_MSG( "Unreachable" );
  63         return wxLOCALE_TIME_FMT;
  64     }
  65
  66     // Override to indicate whether we can have no date at all.
  67     virtual bool MSWAllowsNone() const /* = 0 */
  68     {
  69         wxFAIL_MSG( "Unreachable" );
  70         return false;
  71     }
  72
  73     // Override to update m_date and send the event when the control contents
  74     // changes, return true if the event was handled.
  75     virtual bool MSWOnDateTimeChange(const tagNMDATETIMECHANGE& dtch) /* = 0 */
  76     {
  77         wxUnusedVar(dtch);
  78         wxFAIL_MSG( "Unreachable" );
  79         return false;
  80     }
  81
  82
  83     // the date currently shown by the control, may be invalid
  84     wxDateTime m_date;
  85 };
  86
  87 #endif // _WX_MSW_DATETIMECTRL_H_