// Purpose: wxCalendarCtrl implementation
// Author: Vadim Zeitlin
// Created: 2008-04-04
-// RCS-ID: $Id$
// Copyright: (C) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/msw/private/datecontrols.h"
-IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+// values of week days used by the native control
+enum
+{
+ MonthCal_Monday,
+ MonthCal_Tuesday,
+ MonthCal_Wednesday,
+ MonthCal_Thursday,
+ MonthCal_Friday,
+ MonthCal_Saturday,
+ MonthCal_Sunday
+};
+
+} // anonymous namespace
// ============================================================================
// implementation
// wxCalendarCtrl creation
// ----------------------------------------------------------------------------
+void wxCalendarCtrl::Init()
+{
+ m_marks =
+ m_holidays = 0;
+}
+
bool
wxCalendarCtrl::Create(wxWindow *parent,
wxWindowID id,
if ( !wxMSWDateControls::CheckInitialization() )
return false;
+ // we need the arrows for the navigation
+ style |= wxWANTS_CHARS;
+
// initialize the base class
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
return false;
- // create the native control
- if ( !MSWCreateControl(MONTHCAL_CLASS, wxEmptyString, pos, size) )
+ // create the native control: this is a bit tricky as we want to receive
+ // double click events but the MONTHCAL_CLASS doesn't use CS_DBLCLKS style
+ // and so we create our own copy of it which does
+ static ClassRegistrar s_clsMonthCal;
+ if ( !s_clsMonthCal.IsInitialized() )
+ {
+ // get a copy of standard class and modify it
+ WNDCLASS wc;
+ if ( ::GetClassInfo(NULL, MONTHCAL_CLASS, &wc) )
+ {
+ wc.lpszClassName = wxT("_wx_SysMonthCtl32");
+ wc.style |= CS_DBLCLKS;
+ s_clsMonthCal.Register(wc);
+ }
+ else
+ {
+ wxLogLastError(wxT("GetClassInfoEx(SysMonthCal32)"));
+ }
+ }
+
+ const wxChar * const clsname = s_clsMonthCal.IsRegistered()
+ ? s_clsMonthCal.GetName().t_str()
+ : MONTHCAL_CLASS;
+
+ if ( !MSWCreateControl(clsname, wxEmptyString, pos, size) )
return false;
+ // initialize the control
+ UpdateFirstDayOfWeek();
+
SetDate(dt.IsValid() ? dt : wxDateTime::Today());
+ SetHolidayAttrs();
+ UpdateMarks();
+
+ Connect(wxEVT_LEFT_DOWN,
+ wxMouseEventHandler(wxCalendarCtrl::MSWOnClick));
+ Connect(wxEVT_LEFT_DCLICK,
+ wxMouseEventHandler(wxCalendarCtrl::MSWOnDoubleClick));
+
return true;
}
{
WXDWORD styleMSW = wxCalendarCtrlBase::MSWGetStyle(style, exstyle);
- // right now we don't support any native styles but we should add wx styles
- // corresponding to MCS_NOTODAY, MCS_NOTODAYCIRCLE and MCS_WEEKNUMBERS
- // probably (TODO)
+ // right now we don't support all native styles but we should add wx styles
+ // corresponding to MCS_NOTODAY and MCS_NOTODAYCIRCLE probably (TODO)
// for compatibility with the other versions, just turn off today display
// unconditionally for now
styleMSW |= MCS_NOTODAY;
+ // we also need this style for Mark() to work
+ styleMSW |= MCS_DAYSTATE;
+
+ if ( style & wxCAL_SHOW_WEEK_NUMBERS )
+ styleMSW |= MCS_WEEKNUMBERS;
+
return styleMSW;
}
-// TODO: handle WM_WININICHANGE
+void wxCalendarCtrl::SetWindowStyleFlag(long style)
+{
+ const bool hadMondayFirst = HasFlag(wxCAL_MONDAY_FIRST);
+
+ wxCalendarCtrlBase::SetWindowStyleFlag(style);
+
+ if ( HasFlag(wxCAL_MONDAY_FIRST) != hadMondayFirst )
+ UpdateFirstDayOfWeek();
+}
// ----------------------------------------------------------------------------
// wxCalendarCtrl geometry
// ----------------------------------------------------------------------------
+// TODO: handle WM_WININICHANGE
wxSize wxCalendarCtrl::DoGetBestSize() const
{
RECT rc;
return best;
}
+wxCalendarHitTestResult
+wxCalendarCtrl::HitTest(const wxPoint& pos,
+ wxDateTime *date,
+ wxDateTime::WeekDay *wd)
+{
+ WinStruct<MCHITTESTINFO> hti;
+
+ // Vista and later SDKs add a few extra fields to MCHITTESTINFO which are
+ // not supported by the previous versions, as we don't use them anyhow we
+ // should pretend that we always use the old struct format to make the call
+ // below work on pre-Vista systems (see #11057)
+#ifdef MCHITTESTINFO_V1_SIZE
+ hti.cbSize = MCHITTESTINFO_V1_SIZE;
+#endif
+
+ hti.pt.x = pos.x;
+ hti.pt.y = pos.y;
+ switch ( MonthCal_HitTest(GetHwnd(), &hti) )
+ {
+ default:
+ case MCHT_CALENDARWEEKNUM:
+ wxFAIL_MSG( "unexpected" );
+ // fall through
+
+ case MCHT_NOWHERE:
+ case MCHT_CALENDARBK:
+ case MCHT_TITLEBK:
+ case MCHT_TITLEMONTH:
+ case MCHT_TITLEYEAR:
+ return wxCAL_HITTEST_NOWHERE;
+
+ case MCHT_CALENDARDATE:
+ if ( date )
+ date->SetFromMSWSysDate(hti.st);
+ return wxCAL_HITTEST_DAY;
+
+ case MCHT_CALENDARDAY:
+ if ( wd )
+ {
+ int day = hti.st.wDayOfWeek;
+
+ // the native control returns incorrect day of the week when
+ // the first day isn't Monday, i.e. the first column is always
+ // "Monday" even if its label is "Sunday", compensate for it
+ const int first = LOWORD(MonthCal_GetFirstDayOfWeek(GetHwnd()));
+ if ( first == MonthCal_Monday )
+ {
+ // as MonthCal_Monday is 0 while wxDateTime::Mon is 1,
+ // normally we need to do this to transform from MSW
+ // convention to wx one
+ day++;
+ day %= 7;
+ }
+ //else: but when the first day is MonthCal_Sunday, the native
+ // control still returns 0 (i.e. MonthCal_Monday) for the
+ // first column which looks like a bug in it but to work
+ // around it it's enough to not apply the correction above
+
+ *wd = static_cast<wxDateTime::WeekDay>(day);
+ }
+ return wxCAL_HITTEST_HEADER;
+
+ case MCHT_TITLEBTNNEXT:
+ return wxCAL_HITTEST_INCMONTH;
+
+ case MCHT_TITLEBTNPREV:
+ return wxCAL_HITTEST_DECMONTH;
+
+ case MCHT_CALENDARDATENEXT:
+ case MCHT_CALENDARDATEPREV:
+ return wxCAL_HITTEST_SURROUNDING_WEEK;
+ }
+}
+
// ----------------------------------------------------------------------------
// wxCalendarCtrl operations
// ----------------------------------------------------------------------------
wxCHECK_MSG( dt.IsValid(), false, "invalid date" );
SYSTEMTIME st;
- wxMSWDateControls::ToSystemTime(&st, dt);
+ dt.GetAsMSWSysDate(&st);
if ( !MonthCal_SetCurSel(GetHwnd(), &st) )
{
- wxLogDebug(_T("DateTime_SetSystemtime() failed"));
+ wxLogDebug(wxT("DateTime_SetSystemtime() failed"));
return false;
}
+ m_date = dt.GetDateOnly();
+
return true;
}
wxDateTime wxCalendarCtrl::GetDate() const
{
+#if wxDEBUG_LEVEL
SYSTEMTIME st;
+
if ( !MonthCal_GetCurSel(GetHwnd(), &st) )
+ {
+ wxASSERT_MSG( !m_date.IsValid(), "mismatch between data and control" );
+
return wxDefaultDateTime;
+ }
wxDateTime dt;
- wxMSWDateControls::FromSystemTime(&dt, st);
- return dt;
+ dt.SetFromMSWSysDate(st);
+
+ // Windows XP and earlier didn't include the time component into the
+ // returned date but Windows 7 does, so we can't compare the full objects
+ // in the same way under all the Windows versions, just compare their date
+ // parts
+ wxASSERT_MSG( dt.IsSameDate(m_date), "mismatch between data and control" );
+#endif // wxDEBUG_LEVEL
+
+ return m_date;
}
bool wxCalendarCtrl::SetDateRange(const wxDateTime& dt1, const wxDateTime& dt2)
DWORD flags = 0;
if ( dt1.IsValid() )
{
- wxMSWDateControls::ToSystemTime(&st[0], dt1);
+ dt1.GetAsMSWSysTime(st + 0);
flags |= GDTR_MIN;
}
if ( dt2.IsValid() )
{
- wxMSWDateControls::ToSystemTime(&st[1], dt2);
+ dt2.GetAsMSWSysTime(st + 1);
flags |= GDTR_MAX;
}
if ( !MonthCal_SetRange(GetHwnd(), flags, st) )
{
- wxLogDebug(_T("MonthCal_SetRange() failed"));
+ wxLogDebug(wxT("MonthCal_SetRange() failed"));
}
return flags != 0;
if ( dt1 )
{
if ( flags & GDTR_MIN )
- wxMSWDateControls::FromSystemTime(dt1, st[0]);
+ dt1->SetFromMSWSysDate(st[0]);
else
*dt1 = wxDefaultDateTime;
}
if ( dt2 )
{
if ( flags & GDTR_MAX )
- wxMSWDateControls::FromSystemTime(dt2, st[1]);
+ dt2->SetFromMSWSysDate(st[1]);
else
*dt2 = wxDefaultDateTime;
}
bool wxCalendarCtrl::EnableMonthChange(bool enable)
{
- wxFAIL_MSG( "not implemented" );
+ if ( !wxCalendarCtrlBase::EnableMonthChange(enable) )
+ return false;
+
+ wxDateTime dtStart, dtEnd;
+ if ( !enable )
+ {
+ dtStart = GetDate();
+ dtStart.SetDay(1);
+
+ dtEnd = dtStart.GetLastMonthDay();
+ }
+ //else: leave them invalid to remove the restriction
+
+ SetDateRange(dtStart, dtEnd);
- return false;
+ return true;
}
void wxCalendarCtrl::Mark(size_t day, bool mark)
{
- wxFAIL_MSG( "not implemented" );
+ wxCHECK_RET( day > 0 && day < 32, "invalid day" );
+
+ int mask = 1 << (day - 1);
+ if ( mark )
+ m_marks |= mask;
+ else
+ m_marks &= ~mask;
+
+ // calling Refresh() here is not enough to change the day appearance
+ UpdateMarks();
+}
+
+void wxCalendarCtrl::SetHoliday(size_t day)
+{
+ wxCHECK_RET( day > 0 && day < 32, "invalid day" );
+
+ m_holidays |= 1 << (day - 1);
+}
+
+void wxCalendarCtrl::UpdateMarks()
+{
+ // Currently the native control may show more than one month if its size is
+ // big enough. Ideal would be to prevent this from happening but there
+ // doesn't seem to be any obvious way to do it, so for now just handle the
+ // possibility that we can display several of them: one before the current
+ // one and up to 12 after it.
+ MONTHDAYSTATE states[14] = { 0 };
+ const DWORD nMonths = MonthCal_GetMonthRange(GetHwnd(), GMR_DAYSTATE, NULL);
+
+ // although in principle the calendar might not show any days from the
+ // preceding months, it seems like it always does, consider e.g. Feb 2010
+ // which starts on Monday and ends on Sunday and so could fit on 4 lines
+ // without showing any subsequent months -- the standard control still
+ // shows it on 6 lines and the number of visible months is still 3
+ //
+ // OTOH Windows 7 control can show all 12 months or even years or decades
+ // in its window if you "zoom out" of it by double clicking on free areas
+ // so the return value can be (much, in case of decades view) greater than
+ // 3 but in this case marks are not visible anyhow so simply ignore it
+ if ( nMonths >= 2 && nMonths <= WXSIZEOF(states) )
+ {
+ // The current, fully visible month is always the second one.
+ states[1] = m_marks | m_holidays;
+
+ if ( !MonthCal_SetDayState(GetHwnd(), nMonths, states) )
+ {
+ wxLogLastError(wxT("MonthCal_SetDayState"));
+ }
+ }
+ //else: not a month view at all
+}
+
+void wxCalendarCtrl::UpdateFirstDayOfWeek()
+{
+ MonthCal_SetFirstDayOfWeek(GetHwnd(),
+ HasFlag(wxCAL_MONDAY_FIRST) ? MonthCal_Monday
+ : MonthCal_Sunday);
}
// ----------------------------------------------------------------------------
NMHDR* hdr = (NMHDR *)lParam;
switch ( hdr->code )
{
- case MCN_SELECT:
- NMSELCHANGE *sch = (NMSELCHANGE *)hdr;
- GenerateEvent(wxEVT_CALENDAR_SEL_CHANGED);
- *result = 0;
- return true;
+ case MCN_SELCHANGE:
+ {
+ // we need to update m_date first, before calling the user code
+ // which expects GetDate() to return the new date
+ const wxDateTime dateOld = m_date;
+ const NMSELCHANGE * const sch = (NMSELCHANGE *)lParam;
+ m_date.SetFromMSWSysDate(sch->stSelStart);
+
+ // changing the year or the month results in a second dummy
+ // MCN_SELCHANGE event on this system which doesn't really
+ // change anything -- filter it out
+ if ( m_date != dateOld )
+ {
+ if ( GenerateAllChangeEvents(dateOld) )
+ {
+ // month changed, need to update the holidays if we use
+ // them
+ SetHolidayAttrs();
+ UpdateMarks();
+ }
+ }
+ }
+ break;
+
+ case MCN_GETDAYSTATE:
+ {
+ const NMDAYSTATE * const ds = (NMDAYSTATE *)lParam;
+
+ wxDateTime startDate;
+ startDate.SetFromMSWSysDate(ds->stStart);
+
+ // Ensure we have a valid date to work with.
+ wxDateTime currentDate = m_date.IsValid() ? m_date : startDate;
+
+ // Set to the start of month for comparison with startDate to
+ // work correctly.
+ currentDate.SetDay(1);
+
+ for ( int i = 0; i < ds->cDayState; i++ )
+ {
+ // set holiday/marks only for the "current" month
+ if ( startDate == currentDate )
+ ds->prgDayState[i] = m_marks | m_holidays;
+ else
+ ds->prgDayState[i] = 0;
+
+ startDate += wxDateSpan::Month();
+ }
+ }
+ break;
+
+ default:
+ return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);
+ }
+
+ *result = 0;
+ return true;
+}
+
+void wxCalendarCtrl::MSWOnDoubleClick(wxMouseEvent& event)
+{
+ if ( HitTest(event.GetPosition()) == wxCAL_HITTEST_DAY )
+ {
+ if ( GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED) )
+ return; // skip event.Skip() below
}
- return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);
+ event.Skip();
+}
+
+void wxCalendarCtrl::MSWOnClick(wxMouseEvent& event)
+{
+ // for some reason, the control doesn't get focus on its own when the user
+ // clicks in it
+ SetFocus();
+
+ event.Skip();
}
#endif // wxUSE_CALENDARCTRL
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