src/msw/calctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/calctrl.cpp
   3 // Purpose:     wxCalendarCtrl implementation
   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 // ============================================================================
  12 // declarations
  13 // ============================================================================
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __BORLANDC__
  22     #pragma hdrstop
  23 #endif
  24
  25 #if wxUSE_CALENDARCTRL
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/msw/wrapwin.h"
  29     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  30     #include "wx/msw/private.h"
  31 #endif
  32
  33 #include "wx/calctrl.h"
  34
  35 #include "wx/msw/private/datecontrols.h"
  36
  37 IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
  38
  39 // ============================================================================
  40 // implementation
  41 // ============================================================================
  42
  43 // ----------------------------------------------------------------------------
  44 // wxCalendarCtrl creation
  45 // ----------------------------------------------------------------------------
  46
  47 bool
  48 wxCalendarCtrl::Create(wxWindow *parent,
  49                        wxWindowID id,
  50                        const wxDateTime& dt,
  51                        const wxPoint& pos,
  52                        const wxSize& size,
  53                        long style,
  54                        const wxString& name)
  55 {
  56     if ( !wxMSWDateControls::CheckInitialization() )
  57         return false;
  58
  59     // initialize the base class
  60     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
  61         return false;
  62
  63     // create the native control
  64     if ( !MSWCreateControl(MONTHCAL_CLASS, wxEmptyString, pos, size) )
  65         return false;
  66
  67     SetDate(dt.IsValid() ? dt : wxDateTime::Today());
  68
  69     return true;
  70 }
  71
  72 WXDWORD wxCalendarCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
  73 {
  74     WXDWORD styleMSW = wxCalendarCtrlBase::MSWGetStyle(style, exstyle);
  75
  76     // right now we don't support any native styles but we should add wx styles
  77     // corresponding to MCS_NOTODAY, MCS_NOTODAYCIRCLE and MCS_WEEKNUMBERS
  78     // probably (TODO)
  79
  80     // for compatibility with the other versions, just turn off today display
  81     // unconditionally for now
  82     styleMSW |= MCS_NOTODAY;
  83
  84     return styleMSW;
  85 }
  86
  87 // TODO: handle WM_WININICHANGE
  88
  89 // ----------------------------------------------------------------------------
  90 // wxCalendarCtrl geometry
  91 // ----------------------------------------------------------------------------
  92
  93 wxSize wxCalendarCtrl::DoGetBestSize() const
  94 {
  95     RECT rc;
  96     if ( !GetHwnd() || !MonthCal_GetMinReqRect(GetHwnd(), &rc) )
  97     {
  98         return wxCalendarCtrlBase::DoGetBestSize();
  99     }
 100
 101     const wxSize best = wxRectFromRECT(rc).GetSize() + GetWindowBorderSize();
 102     CacheBestSize(best);
 103     return best;
 104 }
 105
 106 // ----------------------------------------------------------------------------
 107 // wxCalendarCtrl operations
 108 // ----------------------------------------------------------------------------
 109
 110 bool wxCalendarCtrl::SetDate(const wxDateTime& dt)
 111 {
 112     wxCHECK_MSG( dt.IsValid(), false, "invalid date" );
 113
 114     SYSTEMTIME st;
 115     wxMSWDateControls::ToSystemTime(&st, dt);
 116     if ( !MonthCal_SetCurSel(GetHwnd(), &st) )
 117     {
 118         wxLogDebug(_T("DateTime_SetSystemtime() failed"));
 119
 120         return false;
 121     }
 122
 123     return true;
 124 }
 125
 126 wxDateTime wxCalendarCtrl::GetDate() const
 127 {
 128     SYSTEMTIME st;
 129     if ( !MonthCal_GetCurSel(GetHwnd(), &st) )
 130         return wxDefaultDateTime;
 131
 132     wxDateTime dt;
 133     wxMSWDateControls::FromSystemTime(&dt, st);
 134     return dt;
 135 }
 136
 137 bool wxCalendarCtrl::SetDateRange(const wxDateTime& dt1, const wxDateTime& dt2)
 138 {
 139     SYSTEMTIME st[2];
 140
 141     DWORD flags = 0;
 142     if ( dt1.IsValid() )
 143     {
 144         wxMSWDateControls::ToSystemTime(&st[0], dt1);
 145         flags |= GDTR_MIN;
 146     }
 147
 148     if ( dt2.IsValid() )
 149     {
 150         wxMSWDateControls::ToSystemTime(&st[1], dt2);
 151         flags |= GDTR_MAX;
 152     }
 153
 154     if ( !MonthCal_SetRange(GetHwnd(), flags, st) )
 155     {
 156         wxLogDebug(_T("MonthCal_SetRange() failed"));
 157     }
 158
 159     return flags != 0;
 160 }
 161
 162 bool wxCalendarCtrl::GetDateRange(wxDateTime *dt1, wxDateTime *dt2) const
 163 {
 164     SYSTEMTIME st[2];
 165
 166     DWORD flags = MonthCal_GetRange(GetHwnd(), st);
 167     if ( dt1 )
 168     {
 169         if ( flags & GDTR_MIN )
 170             wxMSWDateControls::FromSystemTime(dt1, st[0]);
 171         else
 172             *dt1 = wxDefaultDateTime;
 173     }
 174
 175     if ( dt2 )
 176     {
 177         if ( flags & GDTR_MAX )
 178             wxMSWDateControls::FromSystemTime(dt2, st[1]);
 179         else
 180             *dt2 = wxDefaultDateTime;
 181     }
 182
 183     return flags != 0;
 184 }
 185
 186 // ----------------------------------------------------------------------------
 187 // other wxCalendarCtrl operations
 188 // ----------------------------------------------------------------------------
 189
 190 bool wxCalendarCtrl::EnableMonthChange(bool enable)
 191 {
 192     if ( !wxCalendarCtrlBase::EnableMonthChange(enable) )
 193         return false;
 194
 195     wxDateTime dtStart, dtEnd;
 196     if ( !enable )
 197     {
 198         dtStart = GetDate();
 199         dtStart.SetDay(1);
 200
 201         dtEnd = dtStart.GetLastMonthDay();
 202     }
 203     //else: leave them invalid to remove the restriction
 204
 205     SetDateRange(dtStart, dtEnd);
 206
 207     return true;
 208 }
 209
 210 void wxCalendarCtrl::Mark(size_t day, bool mark)
 211 {
 212     wxFAIL_MSG( "not implemented" );
 213 }
 214
 215 // ----------------------------------------------------------------------------
 216 // wxCalendarCtrl events
 217 // ----------------------------------------------------------------------------
 218
 219 bool wxCalendarCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 220 {
 221     NMHDR* hdr = (NMHDR *)lParam;
 222     switch ( hdr->code )
 223     {
 224         case MCN_SELECT:
 225             NMSELCHANGE *sch = (NMSELCHANGE *)hdr;
 226             GenerateEvent(wxEVT_CALENDAR_SEL_CHANGED);
 227             *result = 0;
 228             return true;
 229     }
 230
 231     return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);
 232 }
 233
 234 #endif // wxUSE_CALENDARCTRL