X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2ef31e80ee0e9c597ffca0fd7a0eb9d018a2f51b..24e1f1ca21c6f2cd15c69bcbbdc79f7848c7fa29:/src/generic/calctrl.cpp

diff --git a/src/generic/calctrl.cpp b/src/generic/calctrl.cpp
index 5417b7d49b..78b6c57f49 100644
--- a/src/generic/calctrl.cpp
+++ b/src/generic/calctrl.cpp
@@ -29,9 +29,44 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/dcclient.h"
+    #include "wx/settings.h"
+    #include "wx/brush.h"
 #endif //WX_PRECOMP
 
-#include "wx/generic/calctrl.h"
+#include "wx/calctrl.h"
+
+#define DEBUG_PAINT 0
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+class wxMonthComboBox : public wxComboBox
+{
+public:
+    wxMonthComboBox(wxCalendarCtrl *cal);
+
+    void OnMonthChange(wxCommandEvent& event) { m_cal->OnMonthChange(event); }
+
+private:
+    wxCalendarCtrl *m_cal;
+
+    DECLARE_EVENT_TABLE()
+};
+
+class wxYearSpinCtrl : public wxSpinCtrl
+{
+public:
+    wxYearSpinCtrl(wxCalendarCtrl *cal);
+
+    void OnYearChange(wxSpinEvent& event) { m_cal->OnYearChange(event); }
+
+private:
+    wxCalendarCtrl *m_cal;
+
+    DECLARE_EVENT_TABLE()
+};
 
 // ----------------------------------------------------------------------------
 // wxWin macros
@@ -40,7 +75,18 @@
 BEGIN_EVENT_TABLE(wxCalendarCtrl, wxControl)
     EVT_PAINT(wxCalendarCtrl::OnPaint)
 
+    EVT_CHAR(wxCalendarCtrl::OnChar)
+
     EVT_LEFT_DOWN(wxCalendarCtrl::OnClick)
+    EVT_LEFT_DCLICK(wxCalendarCtrl::OnDClick)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(wxMonthComboBox, wxComboBox)
+    EVT_COMBOBOX(-1, wxMonthComboBox::OnMonthChange)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(wxYearSpinCtrl, wxSpinCtrl)
+    EVT_SPINCTRL(-1, wxYearSpinCtrl::OnYearChange)
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
@@ -49,6 +95,40 @@ IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// wxMonthComboBox and wxYearSpinCtrl
+// ----------------------------------------------------------------------------
+
+wxMonthComboBox::wxMonthComboBox(wxCalendarCtrl *cal)
+               : wxComboBox(cal->GetParent(), -1,
+                            wxEmptyString,
+                            wxDefaultPosition,
+                            wxDefaultSize,
+                            0, NULL,
+                            wxCB_READONLY)
+{
+    m_cal = cal;
+
+    wxDateTime::Month m;
+    for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) )
+    {
+        Append(wxDateTime::GetMonthName(m));
+    }
+
+    SetSelection(m_cal->GetDate().GetMonth());
+}
+
+wxYearSpinCtrl::wxYearSpinCtrl(wxCalendarCtrl *cal)
+              : wxSpinCtrl(cal->GetParent(), -1,
+                           cal->GetDate().Format(_T("%Y")),
+                           wxDefaultPosition,
+                           wxDefaultSize,
+                           wxSP_ARROW_KEYS,
+                           -4300, 10000, cal->GetDate().GetYear())
+{
+    m_cal = cal;
+}
+
 // ----------------------------------------------------------------------------
 // wxCalendarCtrl
 // ----------------------------------------------------------------------------
@@ -60,18 +140,29 @@ void wxCalendarCtrl::Init()
 
     m_widthCol =
     m_heightRow = 0;
+
+    wxDateTime::WeekDay wd;
+    for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
+    {
+        m_weekdays[wd] = wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr);
+    }
 }
 
-bool wxCalendarCtrl::Create(wxWindow *parent,
-                            wxWindowID id,
+bool wxCalendarCtrl::Create(wxWindow * WXUNUSED(parent),
+                            wxWindowID WXUNUSED(id),
                             const wxDateTime& date,
-                            const wxPoint& pos,
+                            const wxPoint& WXUNUSED(pos),
                             const wxSize& size,
                             long style,
-                            const wxString& name)
+                            const wxString& WXUNUSED(name))
 {
+    SetWindowStyle(style | (wxRAISED_BORDER | wxWANTS_CHARS));
+
     m_date = date.IsValid() ? date : wxDateTime::Today();
 
+    m_comboMonth = new wxMonthComboBox(this);
+    m_spinYear = new wxYearSpinCtrl(this);
+
     wxSize sizeReal;
     if ( size.x == -1 || size.y == -1 )
     {
@@ -89,10 +180,114 @@ bool wxCalendarCtrl::Create(wxWindow *parent,
     SetSize(sizeReal);
 
     SetBackgroundColour(*wxWHITE);
+    SetFont(*wxSWISS_FONT);
+
+    return TRUE;
+}
+
+wxCalendarCtrl::~wxCalendarCtrl()
+{
+#if 0
+    m_comboMonth->PopEventHandler();
+    m_spinYear->PopEventHandler();
+#endif // 0
+}
+
+// ----------------------------------------------------------------------------
+// forward wxWin functions to subcontrols
+// ----------------------------------------------------------------------------
+
+bool wxCalendarCtrl::Show(bool show)
+{
+    if ( !wxControl::Show(show) )
+    {
+        return FALSE;
+    }
+
+    m_comboMonth->Show(show);
+    m_spinYear->Show(show);
+
+    return TRUE;
+}
+
+bool wxCalendarCtrl::Enable(bool enable)
+{
+    if ( !wxControl::Enable(enable) )
+    {
+        return FALSE;
+    }
+
+    m_comboMonth->Enable(enable);
+    m_spinYear->Enable(enable);
 
     return TRUE;
 }
 
+// ----------------------------------------------------------------------------
+// changing date
+// ----------------------------------------------------------------------------
+
+void wxCalendarCtrl::SetDate(const wxDateTime& date)
+{
+    if ( m_date.GetMonth() == date.GetMonth() &&
+         m_date.GetYear() == date.GetYear() )
+    {
+        // just change the day
+        ChangeDay(date);
+    }
+    else
+    {
+        // change everything
+        m_date = date;
+
+        // update the controls
+        m_comboMonth->SetSelection(m_date.GetMonth());
+        m_spinYear->SetValue(m_date.Format(_T("%Y")));
+
+        // update the calendar
+        Refresh();
+    }
+}
+
+void wxCalendarCtrl::ChangeDay(const wxDateTime& date)
+{
+    if ( m_date != date )
+    {
+        // we need to refresh the row containing the old date and the one
+        // containing the new one
+        wxDateTime dateOld = m_date;
+        m_date = date;
+
+        RefreshDate(dateOld);
+
+        // if the date is in the same row, it was already drawn correctly
+        if ( GetWeek(m_date) != GetWeek(dateOld) )
+        {
+            RefreshDate(m_date);
+        }
+    }
+}
+
+void wxCalendarCtrl::SetDateAndNotify(const wxDateTime& date)
+{
+    wxDateTime::Tm tm1 = m_date.GetTm(),
+                   tm2 = date.GetTm();
+
+    wxEventType type;
+    if ( tm1.year != tm2.year )
+        type = wxEVT_CALENDAR_YEAR_CHANGED;
+    else if ( tm1.mon != tm2.mon )
+        type = wxEVT_CALENDAR_MONTH_CHANGED;
+    else if ( tm1.mday != tm2.mday )
+        type = wxEVT_CALENDAR_DAY_CHANGED;
+    else
+        return;
+
+    SetDate(date);
+
+    GenerateEvent(type);
+}
+
 // ----------------------------------------------------------------------------
 // date helpers
 // ----------------------------------------------------------------------------
@@ -102,7 +297,13 @@ wxDateTime wxCalendarCtrl::GetStartDate() const
     wxDateTime::Tm tm = m_date.GetTm();
 
     wxDateTime date = wxDateTime(1, tm.mon, tm.year);
-    date.SetToPrevWeekDay(wxDateTime::Sun);
+
+    // rewind back
+    date.SetToPrevWeekDay(GetWindowStyle() & wxCAL_MONDAY_FIRST
+                          ? wxDateTime::Mon : wxDateTime::Sun);
+
+    // be sure to do it or it might gain 1 hour if DST changed in between
+    date.ResetTime();
 
     return date;
 }
@@ -112,13 +313,39 @@ bool wxCalendarCtrl::IsDateShown(const wxDateTime& date) const
     return date.GetMonth() == m_date.GetMonth();
 }
 
+size_t wxCalendarCtrl::GetWeek(const wxDateTime& date) const
+{
+    return date.GetWeekOfMonth(GetWindowStyle() & wxCAL_MONDAY_FIRST
+                               ? wxDateTime::Monday_First
+                               : wxDateTime::Sunday_First);
+}
+
 // ----------------------------------------------------------------------------
 // size management
 // ----------------------------------------------------------------------------
 
+// this is a composite control and it must arrange its parts each time its
+// size or position changes: the combobox and spinctrl are along the top of
+// the available area and the calendar takes up therest of the space
+
+// the constants used for the layout
+#define VERT_MARGIN     5           // distance between combo and calendar
+#define HORZ_MARGIN    15           //                            spin
+
 wxSize wxCalendarCtrl::DoGetBestSize() const
 {
-    return wxSize(230, 200);
+    // calc the size of the calendar
+    ((wxCalendarCtrl *)this)->RecalcGeometry(); // const_cast
+
+    wxCoord width = 7*m_widthCol,
+            height = 7*m_heightRow;
+
+    wxSize sizeCombo = m_comboMonth->GetBestSize(),
+           sizeSpin = m_spinYear->GetBestSize();
+
+    height += VERT_MARGIN + wxMax(sizeCombo.y, sizeSpin.y);
+
+    return wxSize(width, height);
 }
 
 void wxCalendarCtrl::DoSetSize(int x, int y,
@@ -130,31 +357,57 @@ void wxCalendarCtrl::DoSetSize(int x, int y,
 
 void wxCalendarCtrl::DoMoveWindow(int x, int y, int width, int height)
 {
-    wxControl::DoMoveWindow(x, y, width, height);
+    wxSize sizeCombo = m_comboMonth->GetSize();
+    m_comboMonth->Move(x, y);
+
+    int xDiff = sizeCombo.x + HORZ_MARGIN;
+    m_spinYear->SetSize(x + xDiff, y, width - xDiff, sizeCombo.y);
+
+    wxSize sizeSpin = m_spinYear->GetSize();
+    int yDiff = wxMax(sizeSpin.y, sizeCombo.y) + VERT_MARGIN;
+
+    wxControl::DoMoveWindow(x, y + yDiff, width, height - yDiff);
 }
 
-// ----------------------------------------------------------------------------
-// drawing
-// ----------------------------------------------------------------------------
+void wxCalendarCtrl::DoGetPosition(int *x, int *y) const
+{
+    wxControl::DoGetPosition(x, y);
 
-void wxCalendarCtrl::OnPaint(wxPaintEvent& event)
+    // our real top corner is not in this position
+    if ( y )
+    {
+        *y -= m_comboMonth->GetSize().y + VERT_MARGIN;
+    }
+}
+
+void wxCalendarCtrl::DoGetSize(int *width, int *height) const
 {
-    wxPaintDC dc(this);
+    wxControl::DoGetSize(width, height);
 
-    wxDateTime::WeekDay wd;
-    wxString weekdays[7];
+    // our real height is bigger
+    if ( height )
+    {
+        *height += m_comboMonth->GetSize().y + VERT_MARGIN;
+    }
+}
+
+void wxCalendarCtrl::RecalcGeometry()
+{
+    if ( m_widthCol != 0 )
+        return;
+
+    wxClientDC dc(this);
 
-    dc.SetFont(*wxSWISS_FONT);
+    dc.SetFont(m_font);
 
     // determine the column width (we assume that the weekday names are always
     // wider (in any language) than the numbers)
     m_widthCol = 0;
+    wxDateTime::WeekDay wd;
     for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
     {
-        weekdays[wd] = wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr);
-
         wxCoord width;
-        dc.GetTextExtent(weekdays[wd], &width, &m_heightRow);
+        dc.GetTextExtent(m_weekdays[wd], &width, &m_heightRow);
         if ( width > m_widthCol )
         {
             m_widthCol = width;
@@ -164,16 +417,50 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& event)
     // leave some margins
     m_widthCol += 2;
     m_heightRow += 2;
+}
+
+// ----------------------------------------------------------------------------
+// drawing
+// ----------------------------------------------------------------------------
+
+void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+    wxPaintDC dc(this);
+
+    dc.SetFont(m_font);
+
+    RecalcGeometry();
+
+#if DEBUG_PAINT
+    printf("--- starting to paint, selection: %s, week %u\n",
+           m_date.Format("%a %d-%m-%Y %H:%M:%S").c_str(),
+           GetWeek(m_date));
+#endif
 
     // first draw the week days
-    dc.SetTextForeground(*wxBLUE);
-    dc.SetBrush(wxBrush(*wxLIGHT_GREY, wxSOLID));
-    dc.SetBackgroundMode(wxTRANSPARENT);
-    dc.SetPen(*wxWHITE_PEN);
-    dc.DrawRectangle(0, 0, 7*m_widthCol - 1, m_heightRow);
-    for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
+    if ( IsExposed(0, 0, 7*m_widthCol, m_heightRow) )
     {
-        dc.DrawText(weekdays[wd], wd*m_widthCol + 1, 0);
+#if DEBUG_PAINT
+        puts("painting the header");
+#endif
+
+        dc.SetTextForeground(*wxBLUE);
+        dc.SetBrush(wxBrush(*wxLIGHT_GREY, wxSOLID));
+        dc.SetBackgroundMode(wxTRANSPARENT);
+        dc.SetPen(*wxLIGHT_GREY_PEN);
+        dc.DrawRectangle(0, 0, 7*m_widthCol, m_heightRow);
+
+        bool startOnMonday = (GetWindowStyle() & wxCAL_MONDAY_FIRST) != 0;
+        for ( size_t wd = 0; wd < 7; wd++ )
+        {
+            size_t n;
+            if ( startOnMonday )
+                n = wd == 6 ? 0 : wd + 1;
+            else
+                n = wd;
+
+            dc.DrawText(m_weekdays[n], wd*m_widthCol + 1, 0);
+        }
     }
 
     // then the calendar itself
@@ -183,13 +470,31 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& event)
     wxCoord y = m_heightRow;
 
     wxDateTime date = GetStartDate();
+#if DEBUG_PAINT
+    printf("starting calendar from %s\n",
+            date.Format("%a %d-%m-%Y %H:%M:%S").c_str());
+#endif
+
     dc.SetBackgroundMode(wxSOLID);
-    for ( size_t nWeek = 0; nWeek < 6; nWeek++ )
+    for ( size_t nWeek = 1; nWeek <= 6; nWeek++, y += m_heightRow )
     {
-        for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
+        // if the update region doesn't intersect this row, don't paint it
+        if ( !IsExposed(0, y, 7*m_widthCol, m_heightRow - 1) )
+        {
+            date += wxDateSpan::Week();
+
+            continue;
+        }
+
+#if DEBUG_PAINT
+        printf("painting week %d at y = %d\n", nWeek, y);
+#endif
+
+        for ( size_t wd = 0; wd < 7; wd++ )
         {
             if ( IsDateShown(date) )
             {
+                // don't use wxDate::Format() which prepends 0s
                 wxString day = wxString::Format(_T("%u"), date.GetDay());
                 wxCoord width;
                 dc.GetTextExtent(day, &width, (wxCoord *)NULL);
@@ -205,7 +510,7 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& event)
 
                 if ( isSel )
                 {
-                    dc.SetTextForeground(*wxBLACK);
+                    dc.SetTextForeground(m_foregroundColour);
                     dc.SetTextBackground(m_backgroundColour);
                 }
             }
@@ -213,46 +518,255 @@ void wxCalendarCtrl::OnPaint(wxPaintEvent& event)
 
             date += wxDateSpan::Day();
         }
-
-        y += m_heightRow;
     }
+#if DEBUG_PAINT
+    puts("+++ finished painting");
+#endif
+}
+
+void wxCalendarCtrl::RefreshDate(const wxDateTime& date)
+{
+    RecalcGeometry();
+
+    wxRect rect;
+
+    // always refresh the whole row at once because our OnPaint() will draw
+    // the whole row anyhow - and this allows the small optimisation in
+    // OnClick() below to work
+    rect.x = 0;
+    rect.y = m_heightRow * GetWeek(date);
+    rect.width = 7*m_widthCol;
+    rect.height = m_heightRow;
+
+#if DEBUG_PAINT
+    printf("*** refreshing week %d at (%d, %d)-(%d, %d)\n",
+           GetWeek(date),
+           rect.x, rect.y,
+           rect.x + rect.width, rect.y + rect.height);
+#endif
+
+    Refresh(TRUE, &rect);
 }
 
 // ----------------------------------------------------------------------------
 // mouse handling
 // ----------------------------------------------------------------------------
 
-void wxCalendarCtrl::OnClick(wxMouseEvent& event)
+void wxCalendarCtrl::OnDClick(wxMouseEvent& event)
 {
-    wxDateTime date;
-    if ( !HitTest(event.GetPosition(), &date) )
+    if ( HitTest(event.GetPosition()) != wxCAL_HITTEST_DAY )
     {
         event.Skip();
     }
     else
     {
-        m_date = date;
+        GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED, FALSE);
+    }
+}
 
-        Refresh();
+void wxCalendarCtrl::OnClick(wxMouseEvent& event)
+{
+    wxDateTime date;
+    wxDateTime::WeekDay wday;
+    switch ( HitTest(event.GetPosition(), &date, &wday) )
+    {
+        case wxCAL_HITTEST_DAY:
+            ChangeDay(date);
+
+            GenerateEvent(wxEVT_CALENDAR_DAY_CHANGED);
+            break;
+
+        case wxCAL_HITTEST_HEADER:
+            {
+                wxCalendarEvent event(this, wxEVT_CALENDAR_WEEKDAY_CLICKED);
+                event.m_wday = wday;
+                (void)GetEventHandler()->ProcessEvent(event);
+            }
+            break;
+
+        default:
+            wxFAIL_MSG(_T("unknown hittest code"));
+            // fall through
+
+        case wxCAL_HITTEST_NOWHERE:
+            event.Skip();
+            break;
     }
 }
 
-bool wxCalendarCtrl::HitTest(const wxPoint& pos, wxDateTime *date)
+wxCalendarHitTestResult wxCalendarCtrl::HitTest(const wxPoint& pos,
+                                                wxDateTime *date,
+                                                wxDateTime::WeekDay *wd)
 {
+    RecalcGeometry();
+
+    int wday = pos.x / m_widthCol;
+
     wxCoord y = pos.y;
     if ( y < m_heightRow )
-        return FALSE;
+    {
+        if ( wd )
+        {
+            if ( GetWindowStyle() & wxCAL_MONDAY_FIRST )
+            {
+                wday = wday == 6 ? 0 : wday + 1;
+            }
+
+            *wd = (wxDateTime::WeekDay)wday;
+        }
 
-    y -= m_heightRow;
-    int week = y / m_heightRow,
-        wday = pos.x / m_widthCol;
+        return wxCAL_HITTEST_HEADER;
+    }
 
+    int week = (y - m_heightRow) / m_heightRow;
     if ( week >= 6 || wday >= 7 )
-        return FALSE;
+    {
+        return wxCAL_HITTEST_NOWHERE;
+    }
+
+    wxDateTime dt = GetStartDate() + wxDateSpan::Days(7*week + wday);
+
+    if ( IsDateShown(dt) )
+    {
+        if ( date )
+            *date = dt;
+
+        return wxCAL_HITTEST_DAY;
+    }
+    else
+    {
+        return wxCAL_HITTEST_NOWHERE;
+    }
+}
+
+// ----------------------------------------------------------------------------
+// subcontrols events handling
+// ----------------------------------------------------------------------------
+
+void wxCalendarCtrl::OnMonthChange(wxCommandEvent& event)
+{
+    wxDateTime::Tm tm = m_date.GetTm();
+
+    wxDateTime::Month mon = (wxDateTime::Month)event.GetInt();
+    if ( tm.mday > wxDateTime::GetNumberOfDays(mon, tm.year) )
+    {
+        tm.mday = wxDateTime::GetNumberOfDays(mon, tm.year);
+    }
+
+    SetDate(wxDateTime(tm.mday, mon, tm.year));
+
+    GenerateEvent(wxEVT_CALENDAR_MONTH_CHANGED);
+}
 
-    wxCHECK_MSG( date, FALSE, _T("bad pointer in wxCalendarCtrl::HitTest") );
+void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
+{
+    wxDateTime::Tm tm = m_date.GetTm();
+
+    int year = (int)event.GetInt();
+    if ( tm.mday > wxDateTime::GetNumberOfDays(tm.mon, year) )
+    {
+        tm.mday = wxDateTime::GetNumberOfDays(tm.mon, year);
+    }
+
+    SetDate(wxDateTime(tm.mday, tm.mon, year));
+
+    GenerateEvent(wxEVT_CALENDAR_YEAR_CHANGED);
+}
+
+// ----------------------------------------------------------------------------
+// keyboard interface
+// ----------------------------------------------------------------------------
+
+void wxCalendarCtrl::OnChar(wxKeyEvent& event)
+{
+    switch ( event.KeyCode() )
+    {
+        case _T('+'):
+        case WXK_ADD:
+            SetDateAndNotify(m_date + wxDateSpan::Year());
+            break;
+
+        case _T('-'):
+        case WXK_SUBTRACT:
+            SetDateAndNotify(m_date - wxDateSpan::Year());
+            break;
+
+        case WXK_PRIOR:
+            SetDateAndNotify(m_date - wxDateSpan::Month());
+            break;
+
+        case WXK_NEXT:
+            SetDateAndNotify(m_date + wxDateSpan::Month());
+            break;
+
+        case WXK_RIGHT:
+            if ( event.ControlDown() )
+                SetDateAndNotify(wxDateTime(m_date).SetToNextWeekDay(
+                                 GetWindowStyle() & wxCAL_MONDAY_FIRST
+                                 ? wxDateTime::Sun : wxDateTime::Sat));
+            else
+                SetDateAndNotify(m_date + wxDateSpan::Day());
+            break;
+
+        case WXK_LEFT:
+            if ( event.ControlDown() )
+                SetDateAndNotify(wxDateTime(m_date).SetToPrevWeekDay(
+                                 GetWindowStyle() & wxCAL_MONDAY_FIRST
+                                 ? wxDateTime::Mon : wxDateTime::Sun));
+            else
+                SetDateAndNotify(m_date - wxDateSpan::Day());
+            break;
+
+        case WXK_UP:
+            SetDateAndNotify(m_date - wxDateSpan::Week());
+            break;
+
+        case WXK_DOWN:
+            SetDateAndNotify(m_date + wxDateSpan::Week());
+            break;
+
+        case WXK_HOME:
+            if ( event.ControlDown() )
+                SetDateAndNotify(wxDateTime::Today());
+            else
+                SetDateAndNotify(wxDateTime(1, m_date.GetMonth(), m_date.GetYear()));
+            break;
+
+        case WXK_END:
+            SetDateAndNotify(wxDateTime(m_date).SetToLastMonthDay());
+            break;
+
+        default:
+            event.Skip();
+    }
+}
+
+// ----------------------------------------------------------------------------
+// wxCalendarEvent
+// ----------------------------------------------------------------------------
+
+void wxCalendarCtrl::GenerateEvent(wxEventType type, bool selChanged)
+{
+    // we're called for a change in some particular date field but we always
+    // also generate a generic "changed" event
+    wxCalendarEvent event(this, type);
+    (void)GetEventHandler()->ProcessEvent(event);
+
+    if ( selChanged )
+    {
+        wxCalendarEvent event2(this, wxEVT_CALENDAR_SEL_CHANGED);
 
-    *date = GetStartDate();
-    *date += wxDateSpan::Days(7*week + wday);
-    return IsDateShown(*date);
+        (void)GetEventHandler()->ProcessEvent(event2);
+    }
+}
+
+void wxCalendarEvent::Init()
+{
+    m_wday = wxDateTime::Inv_WeekDay;
+}
+
+wxCalendarEvent::wxCalendarEvent(wxCalendarCtrl *cal, wxEventType type)
+               : wxCommandEvent(type, cal->GetId())
+{
+    m_date = cal->GetDate();
 }