Merge of SOC2010_RTC_IMAGES branch.

[wxWidgets.git] / src / msw / calctrl.cpp

diff --git a/src/msw/calctrl.cpp b/src/msw/calctrl.cpp
index 6bc01d1d45593c360776e3126d0b1157489f3085..859a549bd6b126aa8a249b841d76e3acaa7de592 100644 (file)
--- a/src/msw/calctrl.cpp
+++ b/src/msw/calctrl.cpp
@@ -36,6 +36,27 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
 
 
 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
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -44,6 +65,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
 // wxCalendarCtrl creation
 // ----------------------------------------------------------------------------
 
 // wxCalendarCtrl creation
 // ----------------------------------------------------------------------------
 

+void wxCalendarCtrl::Init()
+{
+    m_marks =
+    m_holidays = 0;
+}
+

 bool
 wxCalendarCtrl::Create(wxWindow *parent,
                        wxWindowID id,
 bool
 wxCalendarCtrl::Create(wxWindow *parent,
                        wxWindowID id,


@@ -56,16 +83,53 @@ wxCalendarCtrl::Create(wxWindow *parent,
     if ( !wxMSWDateControls::CheckInitialization() )
         return false;
 
     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;
 
     // 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().wx_str()
+        : MONTHCAL_CLASS;
+
+    if ( !MSWCreateControl(clsname, wxEmptyString, pos, size) )

         return false;
 
         return false;
 

+    // initialize the control
+    UpdateFirstDayOfWeek();
+

     SetDate(dt.IsValid() ? dt : wxDateTime::Today());
 
     SetDate(dt.IsValid() ? dt : wxDateTime::Today());
 

+    if ( SetHolidayAttrs() )
+        UpdateMarks();
+
+    Connect(wxEVT_LEFT_DOWN,
+            wxMouseEventHandler(wxCalendarCtrl::MSWOnClick));
+    Connect(wxEVT_LEFT_DCLICK,
+            wxMouseEventHandler(wxCalendarCtrl::MSWOnDoubleClick));
+

     return true;
 }
 
     return true;
 }
 


@@ -73,23 +137,37 @@ WXDWORD wxCalendarCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     WXDWORD styleMSW = wxCalendarCtrlBase::MSWGetStyle(style, exstyle);
 
 {
     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;
 
 
     // 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;
 }
 
     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
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxCalendarCtrl geometry
 // ----------------------------------------------------------------------------
 

+// TODO: handle WM_WININICHANGE

 wxSize wxCalendarCtrl::DoGetBestSize() const
 {
     RECT rc;
 wxSize wxCalendarCtrl::DoGetBestSize() const
 {
     RECT rc;


@@ -103,6 +181,80 @@ wxSize wxCalendarCtrl::DoGetBestSize() const
     return best;
 }
 
     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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxCalendarCtrl operations
 // ----------------------------------------------------------------------------


@@ -112,26 +264,42 @@ bool wxCalendarCtrl::SetDate(const wxDateTime& dt)
     wxCHECK_MSG( dt.IsValid(), false, "invalid date" );
 
     SYSTEMTIME st;
     wxCHECK_MSG( dt.IsValid(), false, "invalid date" );
 
     SYSTEMTIME st;

-    wxMSWDateControls::ToSystemTime(&st, dt);
+    dt.GetAsMSWSysDate(&st);

     if ( !MonthCal_SetCurSel(GetHwnd(), &st) )
     {
     if ( !MonthCal_SetCurSel(GetHwnd(), &st) )
     {

-        wxLogDebug(_T("DateTime_SetSystemtime() failed"));
+        wxLogDebug(wxT("DateTime_SetSystemtime() failed"));

 
         return false;
     }
 
 
         return false;
     }
 

+    m_date = dt.GetDateOnly();
+

     return true;
 }
 
 wxDateTime wxCalendarCtrl::GetDate() const
 {
     return true;
 }
 
 wxDateTime wxCalendarCtrl::GetDate() const
 {

+#if wxDEBUG_LEVEL

     SYSTEMTIME st;
     SYSTEMTIME st;

+

     if ( !MonthCal_GetCurSel(GetHwnd(), &st) )
     if ( !MonthCal_GetCurSel(GetHwnd(), &st) )

+    {
+        wxASSERT_MSG( !m_date.IsValid(), "mismatch between data and control" );
+

         return wxDefaultDateTime;
         return wxDefaultDateTime;

+    }

 
     wxDateTime dt;
 
     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)
 }
 
 bool wxCalendarCtrl::SetDateRange(const wxDateTime& dt1, const wxDateTime& dt2)


@@ -141,19 +309,19 @@ bool wxCalendarCtrl::SetDateRange(const wxDateTime& dt1, const wxDateTime& dt2)
     DWORD flags = 0;
     if ( dt1.IsValid() )
     {
     DWORD flags = 0;
     if ( dt1.IsValid() )
     {

-        wxMSWDateControls::ToSystemTime(&st[0], dt1);
+        dt1.GetAsMSWSysTime(st + 0);

         flags |= GDTR_MIN;
     }
 
     if ( dt2.IsValid() )
     {
         flags |= GDTR_MIN;
     }
 
     if ( dt2.IsValid() )
     {

-        wxMSWDateControls::ToSystemTime(&st[1], dt2);
+        dt2.GetAsMSWSysTime(st + 1);

         flags |= GDTR_MAX;
     }
 
     if ( !MonthCal_SetRange(GetHwnd(), flags, st) )
     {
         flags |= GDTR_MAX;
     }
 
     if ( !MonthCal_SetRange(GetHwnd(), flags, st) )
     {

-        wxLogDebug(_T("MonthCal_SetRange() failed"));
+        wxLogDebug(wxT("MonthCal_SetRange() failed"));

     }
 
     return flags != 0;
     }
 
     return flags != 0;


@@ -167,7 +335,7 @@ bool wxCalendarCtrl::GetDateRange(wxDateTime *dt1, wxDateTime *dt2) const
     if ( dt1 )
     {
         if ( flags & GDTR_MIN )
     if ( dt1 )
     {
         if ( flags & GDTR_MIN )

-            wxMSWDateControls::FromSystemTime(dt1, st[0]);
+            dt1->SetFromMSWSysDate(st[0]);

         else
             *dt1 = wxDefaultDateTime;
     }
         else
             *dt1 = wxDefaultDateTime;
     }


@@ -175,7 +343,7 @@ bool wxCalendarCtrl::GetDateRange(wxDateTime *dt1, wxDateTime *dt2) const
     if ( dt2 )
     {
         if ( flags & GDTR_MAX )
     if ( dt2 )
     {
         if ( flags & GDTR_MAX )

-            wxMSWDateControls::FromSystemTime(dt2, st[1]);
+            dt2->SetFromMSWSysDate(st[1]);

         else
             *dt2 = wxDefaultDateTime;
     }
         else
             *dt2 = wxDefaultDateTime;
     }


@@ -189,14 +357,85 @@ bool wxCalendarCtrl::GetDateRange(wxDateTime *dt1, wxDateTime *dt2) const
 
 bool wxCalendarCtrl::EnableMonthChange(bool enable)
 {
 
 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

 
 

-    return false;
+    SetDateRange(dtStart, dtEnd);
+
+    return true;

 }
 
 void wxCalendarCtrl::Mark(size_t day, bool mark)
 {
 }
 
 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()
+{
+    // we show only one full month but there can be some days from the month
+    // before it and from the one after it so days from 3 different months can
+    // be partially shown
+    MONTHDAYSTATE states[3] = { 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 < WXSIZEOF(states) )
+    {
+        wxFAIL_MSG("unexpectedly few months shown in the control");
+    }
+    else if ( nMonths == WXSIZEOF(states) )
+    {
+        // the fully visible month is the one in the middle
+        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);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -208,14 +447,66 @@ bool wxCalendarCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     NMHDR* hdr = (NMHDR *)lParam;
     switch ( hdr->code )
     {
     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
+                        if ( SetHolidayAttrs() )
+                            UpdateMarks();
+                    }
+                }
+            }
+            break;
+
+        case MCN_GETDAYSTATE:
+            {
+                const NMDAYSTATE * const ds = (NMDAYSTATE *)lParam;
+                for ( int i = 0; i < ds->cDayState; i++ )
+                {
+                    ds->prgDayState[i] = m_marks | m_holidays;
+                }
+            }
+            break;
+
+        default:
+            return wxCalendarCtrlBase::MSWOnNotify(idCtrl, lParam, result);

     }
 
     }
 

-    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
+    }
+
+    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
 }
 
 #endif // wxUSE_CALENDARCTRL