src/generic/calctrl.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/calctrl.cpp
   3 // Purpose:     implementation fo the generic wxCalendarCtrl
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     29.12.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "calctrl.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/dcclient.h"
  33     #include "wx/settings.h"
  34     #include "wx/brush.h"
  35     #include "wx/combobox.h"
  36     #include "wx/stattext.h"
  37 #endif //WX_PRECOMP
  38
  39 // Can only use wxSpinEvent if this is enabled
  40 #if wxUSE_SPINBTN
  41
  42 #include "wx/calctrl.h"
  43
  44 #define DEBUG_PAINT 0
  45
  46 // ----------------------------------------------------------------------------
  47 // private classes
  48 // ----------------------------------------------------------------------------
  49
  50 class wxMonthComboBox : public wxComboBox
  51 {
  52 public:
  53     wxMonthComboBox(wxCalendarCtrl *cal);
  54
  55     void OnMonthChange(wxCommandEvent& event) { m_cal->OnMonthChange(event); }
  56
  57 private:
  58     wxCalendarCtrl *m_cal;
  59
  60     DECLARE_EVENT_TABLE()
  61 };
  62
  63 class wxYearSpinCtrl : public wxSpinCtrl
  64 {
  65 public:
  66     wxYearSpinCtrl(wxCalendarCtrl *cal);
  67
  68     void OnYearChange(wxSpinEvent& event) { m_cal->OnYearChange(event); }
  69
  70 private:
  71     wxCalendarCtrl *m_cal;
  72
  73     DECLARE_EVENT_TABLE()
  74 };
  75
  76 // ----------------------------------------------------------------------------
  77 // wxWin macros
  78 // ----------------------------------------------------------------------------
  79
  80 BEGIN_EVENT_TABLE(wxCalendarCtrl, wxControl)
  81     EVT_PAINT(wxCalendarCtrl::OnPaint)
  82
  83     EVT_CHAR(wxCalendarCtrl::OnChar)
  84
  85     EVT_LEFT_DOWN(wxCalendarCtrl::OnClick)
  86     EVT_LEFT_DCLICK(wxCalendarCtrl::OnDClick)
  87 END_EVENT_TABLE()
  88
  89 BEGIN_EVENT_TABLE(wxMonthComboBox, wxComboBox)
  90     EVT_COMBOBOX(-1, wxMonthComboBox::OnMonthChange)
  91 END_EVENT_TABLE()
  92
  93 BEGIN_EVENT_TABLE(wxYearSpinCtrl, wxSpinCtrl)
  94     EVT_SPINCTRL(-1, wxYearSpinCtrl::OnYearChange)
  95 END_EVENT_TABLE()
  96
  97 IMPLEMENT_DYNAMIC_CLASS(wxCalendarCtrl, wxControl)
  98 IMPLEMENT_DYNAMIC_CLASS(wxCalendarEvent, wxCommandEvent)
  99
 100 // ----------------------------------------------------------------------------
 101 // events
 102 // ----------------------------------------------------------------------------
 103
 104 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_SEL_CHANGED)
 105 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_DAY_CHANGED)
 106 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_MONTH_CHANGED)
 107 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_YEAR_CHANGED)
 108 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_DOUBLECLICKED)
 109 DEFINE_EVENT_TYPE(wxEVT_CALENDAR_WEEKDAY_CLICKED)
 110
 111 // ============================================================================
 112 // implementation
 113 // ============================================================================
 114
 115 // ----------------------------------------------------------------------------
 116 // wxMonthComboBox and wxYearSpinCtrl
 117 // ----------------------------------------------------------------------------
 118
 119 wxMonthComboBox::wxMonthComboBox(wxCalendarCtrl *cal)
 120                : wxComboBox(cal->GetParent(), -1,
 121                             wxEmptyString,
 122                             wxDefaultPosition,
 123                             wxDefaultSize,
 124                             0, NULL,
 125                             wxCB_READONLY)
 126 {
 127     m_cal = cal;
 128
 129     wxDateTime::Month m;
 130     for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) )
 131     {
 132         Append(wxDateTime::GetMonthName(m));
 133     }
 134
 135     SetSelection(m_cal->GetDate().GetMonth());
 136     SetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH|wxSIZE_AUTO_HEIGHT);
 137 }
 138
 139 wxYearSpinCtrl::wxYearSpinCtrl(wxCalendarCtrl *cal)
 140               : wxSpinCtrl(cal->GetParent(), -1,
 141                            cal->GetDate().Format(_T("%Y")),
 142                            wxDefaultPosition,
 143                            wxDefaultSize,
 144                            wxSP_ARROW_KEYS,
 145                            -4300, 10000, cal->GetDate().GetYear())
 146 {
 147     m_cal = cal;
 148 }
 149
 150 // ----------------------------------------------------------------------------
 151 // wxCalendarCtrl
 152 // ----------------------------------------------------------------------------
 153
 154 void wxCalendarCtrl::Init()
 155 {
 156     m_comboMonth = NULL;
 157     m_spinYear = NULL;
 158
 159     m_widthCol =
 160     m_heightRow = 0;
 161
 162     wxDateTime::WeekDay wd;
 163     for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
 164     {
 165         m_weekdays[wd] = wxDateTime::GetWeekDayName(wd, wxDateTime::Name_Abbr);
 166     }
 167
 168     for ( size_t n = 0; n < WXSIZEOF(m_attrs); n++ )
 169     {
 170         m_attrs[n] = NULL;
 171     }
 172
 173     wxSystemSettings ss;
 174     m_colHighlightFg = ss.GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 175     m_colHighlightBg = ss.GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
 176
 177     m_colHolidayFg = *wxRED;
 178     // don't set m_colHolidayBg - by default, same as our bg colour
 179
 180     m_colHeaderFg = *wxBLUE;
 181     m_colHeaderBg = *wxLIGHT_GREY;
 182 }
 183
 184 bool wxCalendarCtrl::Create(wxWindow * WXUNUSED(parent),
 185                             wxWindowID WXUNUSED(id),
 186                             const wxDateTime& date,
 187                             const wxPoint& WXUNUSED(pos),
 188                             const wxSize& size,
 189                             long style,
 190                             const wxString& WXUNUSED(name))
 191 {
 192     // needed to get the arrow keys normally used for the dialog navigation
 193     SetWindowStyle(style | wxWANTS_CHARS);
 194
 195     m_date = date.IsValid() ? date : wxDateTime::Today();
 196
 197     m_spinYear = new wxYearSpinCtrl(this);
 198     m_staticYear = new wxStaticText(GetParent(), -1, m_date.Format(_T("%Y")),
 199                                     wxDefaultPosition, wxDefaultSize,
 200                                     wxALIGN_CENTRE);
 201
 202     m_comboMonth = new wxMonthComboBox(this);
 203     m_staticMonth = new wxStaticText(GetParent(), -1, m_date.Format(_T("%B")),
 204                                      wxDefaultPosition, wxDefaultSize,
 205                                      wxALIGN_CENTRE);
 206
 207     ShowCurrentControls();
 208
 209     wxSize sizeReal;
 210     if ( size.x == -1 || size.y == -1 )
 211     {
 212         sizeReal = DoGetBestSize();
 213         if ( size.x != -1 )
 214             sizeReal.x = size.x;
 215         if ( size.y != -1 )
 216             sizeReal.y = size.y;
 217     }
 218     else
 219     {
 220         sizeReal = size;
 221     }
 222
 223     SetSize(sizeReal);
 224
 225     SetBackgroundColour(*wxWHITE);
 226     SetFont(*wxSWISS_FONT);
 227
 228     SetHolidayAttrs();
 229
 230     return TRUE;
 231 }
 232
 233 wxCalendarCtrl::~wxCalendarCtrl()
 234 {
 235     for ( size_t n = 0; n < WXSIZEOF(m_attrs); n++ )
 236     {
 237         delete m_attrs[n];
 238     }
 239 }
 240
 241 // ----------------------------------------------------------------------------
 242 // forward wxWin functions to subcontrols
 243 // ----------------------------------------------------------------------------
 244
 245 bool wxCalendarCtrl::Show(bool show)
 246 {
 247     if ( !wxControl::Show(show) )
 248     {
 249         return FALSE;
 250     }
 251
 252     GetMonthControl()->Show(show);
 253     GetYearControl()->Show(show);
 254
 255     return TRUE;
 256 }
 257
 258 bool wxCalendarCtrl::Enable(bool enable)
 259 {
 260     if ( !wxControl::Enable(enable) )
 261     {
 262         return FALSE;
 263     }
 264
 265     GetMonthControl()->Enable(enable);
 266     GetYearControl()->Enable(enable);
 267
 268     return TRUE;
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // enable/disable month/year controls
 273 // ----------------------------------------------------------------------------
 274
 275 void wxCalendarCtrl::ShowCurrentControls()
 276 {
 277     if ( AllowMonthChange() )
 278     {
 279         m_comboMonth->Show();
 280         m_staticMonth->Hide();
 281
 282         if ( AllowYearChange() )
 283         {
 284             m_spinYear->Show();
 285             m_staticYear->Hide();
 286
 287             // skip the rest
 288             return;
 289         }
 290     }
 291     else
 292     {
 293         m_comboMonth->Hide();
 294         m_staticMonth->Show();
 295     }
 296
 297     // year change not allowed here
 298     m_spinYear->Hide();
 299     m_staticYear->Show();
 300 }
 301
 302 wxControl *wxCalendarCtrl::GetMonthControl() const
 303 {
 304     return AllowMonthChange() ? (wxControl *)m_comboMonth : (wxControl *)m_staticMonth;
 305 }
 306
 307 wxControl *wxCalendarCtrl::GetYearControl() const
 308 {
 309     return AllowYearChange() ? (wxControl *)m_spinYear : (wxControl *)m_staticYear;
 310 }
 311
 312 void wxCalendarCtrl::EnableYearChange(bool enable)
 313 {
 314     if ( enable != AllowYearChange() )
 315     {
 316         long style = GetWindowStyle();
 317         if ( enable )
 318             style &= ~wxCAL_NO_YEAR_CHANGE;
 319         else
 320             style |= wxCAL_NO_YEAR_CHANGE;
 321         SetWindowStyle(style);
 322
 323         ShowCurrentControls();
 324     }
 325 }
 326
 327 void wxCalendarCtrl::EnableMonthChange(bool enable)
 328 {
 329     if ( enable != AllowMonthChange() )
 330     {
 331         long style = GetWindowStyle();
 332         if ( enable )
 333             style &= ~wxCAL_NO_MONTH_CHANGE;
 334         else
 335             style |= wxCAL_NO_MONTH_CHANGE;
 336         SetWindowStyle(style);
 337
 338         ShowCurrentControls();
 339     }
 340 }
 341
 342 // ----------------------------------------------------------------------------
 343 // changing date
 344 // ----------------------------------------------------------------------------
 345
 346 void wxCalendarCtrl::SetDate(const wxDateTime& date)
 347 {
 348     bool sameMonth = m_date.GetMonth() == date.GetMonth(),
 349          sameYear = m_date.GetYear() == date.GetYear();
 350
 351     if ( sameMonth && sameYear )
 352     {
 353         // just change the day
 354         ChangeDay(date);
 355     }
 356     else
 357     {
 358         if ( !AllowMonthChange() || (!AllowYearChange() && !sameYear) )
 359         {
 360             // forbidden
 361             return;
 362         }
 363
 364         // change everything
 365         m_date = date;
 366
 367         // update the controls
 368         m_comboMonth->SetSelection(m_date.GetMonth());
 369
 370         if ( AllowYearChange() )
 371         {
 372             m_spinYear->SetValue(m_date.Format(_T("%Y")));
 373         }
 374
 375         // as the month changed, holidays did too
 376         SetHolidayAttrs();
 377
 378         // update the calendar
 379         Refresh();
 380     }
 381 }
 382
 383 void wxCalendarCtrl::ChangeDay(const wxDateTime& date)
 384 {
 385     if ( m_date != date )
 386     {
 387         // we need to refresh the row containing the old date and the one
 388         // containing the new one
 389         wxDateTime dateOld = m_date;
 390         m_date = date;
 391
 392         RefreshDate(dateOld);
 393
 394         // if the date is in the same row, it was already drawn correctly
 395         if ( GetWeek(m_date) != GetWeek(dateOld) )
 396         {
 397             RefreshDate(m_date);
 398         }
 399     }
 400 }
 401
 402 void wxCalendarCtrl::SetDateAndNotify(const wxDateTime& date)
 403 {
 404     wxDateTime::Tm tm1 = m_date.GetTm(),
 405                    tm2 = date.GetTm();
 406
 407     wxEventType type;
 408     if ( tm1.year != tm2.year )
 409         type = wxEVT_CALENDAR_YEAR_CHANGED;
 410     else if ( tm1.mon != tm2.mon )
 411         type = wxEVT_CALENDAR_MONTH_CHANGED;
 412     else if ( tm1.mday != tm2.mday )
 413         type = wxEVT_CALENDAR_DAY_CHANGED;
 414     else
 415         return;
 416
 417     SetDate(date);
 418
 419     GenerateEvents(type, wxEVT_CALENDAR_SEL_CHANGED);
 420 }
 421
 422 // ----------------------------------------------------------------------------
 423 // date helpers
 424 // ----------------------------------------------------------------------------
 425
 426 wxDateTime wxCalendarCtrl::GetStartDate() const
 427 {
 428     wxDateTime::Tm tm = m_date.GetTm();
 429
 430     wxDateTime date = wxDateTime(1, tm.mon, tm.year);
 431
 432     // rewind back
 433     date.SetToPrevWeekDay(GetWindowStyle() & wxCAL_MONDAY_FIRST
 434                           ? wxDateTime::Mon : wxDateTime::Sun);
 435
 436     return date;
 437 }
 438
 439 bool wxCalendarCtrl::IsDateShown(const wxDateTime& date) const
 440 {
 441     return date.GetMonth() == m_date.GetMonth();
 442 }
 443
 444 size_t wxCalendarCtrl::GetWeek(const wxDateTime& date) const
 445 {
 446     return date.GetWeekOfMonth(GetWindowStyle() & wxCAL_MONDAY_FIRST
 447                                ? wxDateTime::Monday_First
 448                                : wxDateTime::Sunday_First);
 449 }
 450
 451 // ----------------------------------------------------------------------------
 452 // size management
 453 // ----------------------------------------------------------------------------
 454
 455 // this is a composite control and it must arrange its parts each time its
 456 // size or position changes: the combobox and spinctrl are along the top of
 457 // the available area and the calendar takes up therest of the space
 458
 459 // the static controls are supposed to be always smaller than combo/spin so we
 460 // always use the latter for size calculations and position the static to take
 461 // the same space
 462
 463 // the constants used for the layout
 464 #define VERT_MARGIN     5           // distance between combo and calendar
 465 #define HORZ_MARGIN    15           //                            spin
 466
 467 wxSize wxCalendarCtrl::DoGetBestSize() const
 468 {
 469     // calc the size of the calendar
 470     ((wxCalendarCtrl *)this)->RecalcGeometry(); // const_cast
 471
 472     wxCoord width = 7*m_widthCol,
 473             height = 7*m_heightRow;
 474
 475     // the combobox doesn't report its height correctly (it returns the
 476     // height including the drop down list) so don't use it
 477     height += VERT_MARGIN + m_spinYear->GetBestSize().y;
 478
 479     if ( GetWindowStyle() & (wxRAISED_BORDER | wxSUNKEN_BORDER) )
 480     {
 481         // the border would clip the last line otherwise
 482         height += 6;
 483     }
 484
 485     return wxSize(width, height);
 486 }
 487
 488 void wxCalendarCtrl::DoSetSize(int x, int y,
 489                                int width, int height,
 490                                int sizeFlags)
 491 {
 492     wxControl::DoSetSize(x, y, width, height, sizeFlags);
 493 }
 494
 495 void wxCalendarCtrl::DoMoveWindow(int x, int y, int width, int height)
 496 {
 497     wxSize sizeCombo = m_comboMonth->GetSize();
 498     wxSize sizeStatic = m_staticMonth->GetSize();
 499
 500     int dy = (sizeCombo.y - sizeStatic.y) / 2;
 501     m_comboMonth->Move(x, y);
 502     m_staticMonth->SetSize(x, y + dy, sizeCombo.x, sizeStatic.y);
 503
 504     int xDiff = sizeCombo.x + HORZ_MARGIN;
 505     m_spinYear->SetSize(x + xDiff, y, width - xDiff, sizeCombo.y);
 506     m_staticYear->SetSize(x + xDiff, y + dy, width - xDiff, sizeStatic.y);
 507
 508     wxSize sizeSpin = m_spinYear->GetSize();
 509     int yDiff = wxMax(sizeSpin.y, sizeCombo.y) + VERT_MARGIN;
 510
 511     wxControl::DoMoveWindow(x, y + yDiff, width, height - yDiff);
 512 }
 513
 514 void wxCalendarCtrl::DoGetPosition(int *x, int *y) const
 515 {
 516     wxControl::DoGetPosition(x, y);
 517
 518     // our real top corner is not in this position
 519     if ( y )
 520     {
 521         *y -= GetMonthControl()->GetSize().y + VERT_MARGIN;
 522     }
 523 }
 524
 525 void wxCalendarCtrl::DoGetSize(int *width, int *height) const
 526 {
 527     wxControl::DoGetSize(width, height);
 528
 529     // our real height is bigger
 530     if ( height )
 531     {
 532         *height += GetMonthControl()->GetSize().y + VERT_MARGIN;
 533     }
 534 }
 535
 536 void wxCalendarCtrl::RecalcGeometry()
 537 {
 538     if ( m_widthCol != 0 )
 539         return;
 540
 541     wxClientDC dc(this);
 542
 543     dc.SetFont(m_font);
 544
 545     // determine the column width (we assume that the weekday names are always
 546     // wider (in any language) than the numbers)
 547     m_widthCol = 0;
 548     wxDateTime::WeekDay wd;
 549     for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
 550     {
 551         wxCoord width;
 552         dc.GetTextExtent(m_weekdays[wd], &width, &m_heightRow);
 553         if ( width > m_widthCol )
 554         {
 555             m_widthCol = width;
 556         }
 557     }
 558
 559     // leave some margins
 560     m_widthCol += 2;
 561     m_heightRow += 2;
 562 }
 563
 564 // ----------------------------------------------------------------------------
 565 // drawing
 566 // ----------------------------------------------------------------------------
 567
 568 void wxCalendarCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
 569 {
 570     wxPaintDC dc(this);
 571
 572     dc.SetFont(m_font);
 573
 574     RecalcGeometry();
 575
 576 #if DEBUG_PAINT
 577     wxLogDebug("--- starting to paint, selection: %s, week %u\n",
 578            m_date.Format("%a %d-%m-%Y %H:%M:%S").c_str(),
 579            GetWeek(m_date));
 580 #endif
 581
 582     // first draw the week days
 583     if ( IsExposed(0, 0, 7*m_widthCol, m_heightRow) )
 584     {
 585 #if DEBUG_PAINT
 586         wxLogDebug("painting the header");
 587 #endif
 588
 589         dc.SetBackgroundMode(wxTRANSPARENT);
 590         dc.SetTextForeground(m_colHeaderFg);
 591         dc.SetBrush(wxBrush(m_colHeaderBg, wxSOLID));
 592         dc.SetPen(wxPen(m_colHeaderBg, 1, wxSOLID));
 593         dc.DrawRectangle(0, 0, 7*m_widthCol, m_heightRow);
 594
 595         bool startOnMonday = (GetWindowStyle() & wxCAL_MONDAY_FIRST) != 0;
 596         for ( size_t wd = 0; wd < 7; wd++ )
 597         {
 598             size_t n;
 599             if ( startOnMonday )
 600                 n = wd == 6 ? 0 : wd + 1;
 601             else
 602                 n = wd;
 603
 604             dc.DrawText(m_weekdays[n], wd*m_widthCol + 1, 0);
 605         }
 606     }
 607
 608     // then the calendar itself
 609     dc.SetTextForeground(*wxBLACK);
 610     //dc.SetFont(*wxNORMAL_FONT);
 611
 612     wxCoord y = m_heightRow;
 613
 614     wxDateTime date = GetStartDate();
 615 #if DEBUG_PAINT
 616     wxLogDebug("starting calendar from %s\n",
 617             date.Format("%a %d-%m-%Y %H:%M:%S").c_str());
 618 #endif
 619
 620     dc.SetBackgroundMode(wxSOLID);
 621     for ( size_t nWeek = 1; nWeek <= 6; nWeek++, y += m_heightRow )
 622     {
 623         // if the update region doesn't intersect this row, don't paint it
 624         if ( !IsExposed(0, y, 7*m_widthCol, m_heightRow - 1) )
 625         {
 626             date += wxDateSpan::Week();
 627
 628             continue;
 629         }
 630
 631 #if DEBUG_PAINT
 632         wxLogDebug("painting week %d at y = %d\n", nWeek, y);
 633 #endif
 634
 635         for ( size_t wd = 0; wd < 7; wd++ )
 636         {
 637             if ( IsDateShown(date) )
 638             {
 639                 // don't use wxDate::Format() which prepends 0s
 640                 unsigned int day = date.GetDay();
 641                 wxString dayStr = wxString::Format(_T("%u"), day);
 642                 wxCoord width;
 643                 dc.GetTextExtent(dayStr, &width, (wxCoord *)NULL);
 644
 645                 bool changedColours = FALSE,
 646                      changedFont = FALSE;
 647
 648                 wxCalendarDateAttr *attr = m_attrs[day - 1];
 649
 650                 bool isSel = date.IsSameDate(m_date);
 651                 if ( isSel )
 652                 {
 653                     dc.SetTextForeground(m_colHighlightFg);
 654                     dc.SetTextBackground(m_colHighlightBg);
 655
 656                     changedColours = TRUE;
 657                 }
 658                 else if ( attr )
 659                 {
 660                     wxColour colFg, colBg;
 661
 662                     if ( attr->IsHoliday() )
 663                     {
 664                         colFg = m_colHolidayFg;
 665                         colBg = m_colHolidayBg;
 666                     }
 667                     else
 668                     {
 669                         colFg = attr->GetTextColour();
 670                         colBg = attr->GetBackgroundColour();
 671                     }
 672
 673                     if ( colFg.Ok() )
 674                     {
 675                         dc.SetTextForeground(colFg);
 676                         changedColours = TRUE;
 677                     }
 678
 679                     if ( colBg.Ok() )
 680                     {
 681                         dc.SetTextBackground(colBg);
 682                         changedColours = TRUE;
 683                     }
 684
 685                     if ( attr->HasFont() )
 686                     {
 687                         dc.SetFont(attr->GetFont());
 688                         changedFont = TRUE;
 689                     }
 690                 }
 691
 692                 wxCoord x = wd*m_widthCol + (m_widthCol - width) / 2;
 693                 dc.DrawText(dayStr, x, y + 1);
 694
 695                 if ( !isSel && attr && attr->HasBorder() )
 696                 {
 697                     wxColour colBorder;
 698                     if ( attr->HasBorderColour() )
 699                     {
 700                         colBorder = attr->GetBorderColour();
 701                     }
 702                     else
 703                     {
 704                         colBorder = m_foregroundColour;
 705                     }
 706
 707                     wxPen pen(colBorder, 1, wxSOLID);
 708                     dc.SetPen(pen);
 709                     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 710
 711                     switch ( attr->GetBorder() )
 712                     {
 713                         case wxCAL_BORDER_SQUARE:
 714                             dc.DrawRectangle(x - 2, y,
 715                                              width + 4, m_heightRow);
 716                             break;
 717
 718                         case wxCAL_BORDER_ROUND:
 719                             dc.DrawEllipse(x - 2, y,
 720                                            width + 4, m_heightRow);
 721                             break;
 722
 723                         default:
 724                             wxFAIL_MSG(_T("unknown border type"));
 725                     }
 726                 }
 727
 728                 if ( changedColours )
 729                 {
 730                     dc.SetTextForeground(m_foregroundColour);
 731                     dc.SetTextBackground(m_backgroundColour);
 732                 }
 733
 734                 if ( changedFont )
 735                 {
 736                     dc.SetFont(m_font);
 737                 }
 738             }
 739             //else: just don't draw it
 740
 741             date += wxDateSpan::Day();
 742         }
 743     }
 744 #if DEBUG_PAINT
 745     wxLogDebug("+++ finished painting");
 746 #endif
 747 }
 748
 749 void wxCalendarCtrl::RefreshDate(const wxDateTime& date)
 750 {
 751     RecalcGeometry();
 752
 753     wxRect rect;
 754
 755     // always refresh the whole row at once because our OnPaint() will draw
 756     // the whole row anyhow - and this allows the small optimisation in
 757     // OnClick() below to work
 758     rect.x = 0;
 759     rect.y = m_heightRow * GetWeek(date);
 760     rect.width = 7*m_widthCol;
 761     rect.height = m_heightRow;
 762
 763 #ifdef __WXMSW__
 764     // VZ: for some reason, the selected date seems to occupy more space under
 765     //     MSW - this is probably some bug in the font size calculations, but I
 766     //     don't know where exactly. This fix is ugly and leads to more
 767     //     refreshes than really needed, but without it the selected days
 768     //     leaves even more ugly underscores on screen.
 769     rect.Inflate(0, 1);
 770 #endif // MSW
 771
 772 #if DEBUG_PAINT
 773     wxLogDebug("*** refreshing week %d at (%d, %d)-(%d, %d)\n",
 774            GetWeek(date),
 775            rect.x, rect.y,
 776            rect.x + rect.width, rect.y + rect.height);
 777 #endif
 778
 779     Refresh(TRUE, &rect);
 780 }
 781
 782 // ----------------------------------------------------------------------------
 783 // mouse handling
 784 // ----------------------------------------------------------------------------
 785
 786 void wxCalendarCtrl::OnDClick(wxMouseEvent& event)
 787 {
 788     if ( HitTest(event.GetPosition()) != wxCAL_HITTEST_DAY )
 789     {
 790         event.Skip();
 791     }
 792     else
 793     {
 794         GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED);
 795     }
 796 }
 797
 798 void wxCalendarCtrl::OnClick(wxMouseEvent& event)
 799 {
 800     wxDateTime date;
 801     wxDateTime::WeekDay wday;
 802     switch ( HitTest(event.GetPosition(), &date, &wday) )
 803     {
 804         case wxCAL_HITTEST_DAY:
 805             ChangeDay(date);
 806
 807             GenerateEvents(wxEVT_CALENDAR_DAY_CHANGED,
 808                            wxEVT_CALENDAR_SEL_CHANGED);
 809             break;
 810
 811         case wxCAL_HITTEST_HEADER:
 812             {
 813                 wxCalendarEvent event(this, wxEVT_CALENDAR_WEEKDAY_CLICKED);
 814                 event.m_wday = wday;
 815                 (void)GetEventHandler()->ProcessEvent(event);
 816             }
 817             break;
 818
 819         default:
 820             wxFAIL_MSG(_T("unknown hittest code"));
 821             // fall through
 822
 823         case wxCAL_HITTEST_NOWHERE:
 824             event.Skip();
 825             break;
 826     }
 827 }
 828
 829 wxCalendarHitTestResult wxCalendarCtrl::HitTest(const wxPoint& pos,
 830                                                 wxDateTime *date,
 831                                                 wxDateTime::WeekDay *wd)
 832 {
 833     RecalcGeometry();
 834
 835     int wday = pos.x / m_widthCol;
 836
 837     wxCoord y = pos.y;
 838     if ( y < m_heightRow )
 839     {
 840         if ( wd )
 841         {
 842             if ( GetWindowStyle() & wxCAL_MONDAY_FIRST )
 843             {
 844                 wday = wday == 6 ? 0 : wday + 1;
 845             }
 846
 847             *wd = (wxDateTime::WeekDay)wday;
 848         }
 849
 850         return wxCAL_HITTEST_HEADER;
 851     }
 852
 853     int week = (y - m_heightRow) / m_heightRow;
 854     if ( week >= 6 || wday >= 7 )
 855     {
 856         return wxCAL_HITTEST_NOWHERE;
 857     }
 858
 859     wxDateTime dt = GetStartDate() + wxDateSpan::Days(7*week + wday);
 860
 861     if ( IsDateShown(dt) )
 862     {
 863         if ( date )
 864             *date = dt;
 865
 866         return wxCAL_HITTEST_DAY;
 867     }
 868     else
 869     {
 870         return wxCAL_HITTEST_NOWHERE;
 871     }
 872 }
 873
 874 // ----------------------------------------------------------------------------
 875 // subcontrols events handling
 876 // ----------------------------------------------------------------------------
 877
 878 void wxCalendarCtrl::OnMonthChange(wxCommandEvent& event)
 879 {
 880     wxDateTime::Tm tm = m_date.GetTm();
 881
 882     wxDateTime::Month mon = (wxDateTime::Month)event.GetInt();
 883     if ( tm.mday > wxDateTime::GetNumberOfDays(mon, tm.year) )
 884     {
 885         tm.mday = wxDateTime::GetNumberOfDays(mon, tm.year);
 886     }
 887
 888     SetDateAndNotify(wxDateTime(tm.mday, mon, tm.year));
 889 }
 890
 891 void wxCalendarCtrl::OnYearChange(wxSpinEvent& event)
 892 {
 893     wxDateTime::Tm tm = m_date.GetTm();
 894
 895     int year = (int)event.GetInt();
 896     if ( tm.mday > wxDateTime::GetNumberOfDays(tm.mon, year) )
 897     {
 898         tm.mday = wxDateTime::GetNumberOfDays(tm.mon, year);
 899     }
 900
 901     SetDateAndNotify(wxDateTime(tm.mday, tm.mon, year));
 902 }
 903
 904 // ----------------------------------------------------------------------------
 905 // keyboard interface
 906 // ----------------------------------------------------------------------------
 907
 908 void wxCalendarCtrl::OnChar(wxKeyEvent& event)
 909 {
 910     switch ( event.KeyCode() )
 911     {
 912         case _T('+'):
 913         case WXK_ADD:
 914             SetDateAndNotify(m_date + wxDateSpan::Year());
 915             break;
 916
 917         case _T('-'):
 918         case WXK_SUBTRACT:
 919             SetDateAndNotify(m_date - wxDateSpan::Year());
 920             break;
 921
 922         case WXK_PRIOR:
 923             SetDateAndNotify(m_date - wxDateSpan::Month());
 924             break;
 925
 926         case WXK_NEXT:
 927             SetDateAndNotify(m_date + wxDateSpan::Month());
 928             break;
 929
 930         case WXK_RIGHT:
 931             if ( event.ControlDown() )
 932                 SetDateAndNotify(wxDateTime(m_date).SetToNextWeekDay(
 933                                  GetWindowStyle() & wxCAL_MONDAY_FIRST
 934                                  ? wxDateTime::Sun : wxDateTime::Sat));
 935             else
 936                 SetDateAndNotify(m_date + wxDateSpan::Day());
 937             break;
 938
 939         case WXK_LEFT:
 940             if ( event.ControlDown() )
 941                 SetDateAndNotify(wxDateTime(m_date).SetToPrevWeekDay(
 942                                  GetWindowStyle() & wxCAL_MONDAY_FIRST
 943                                  ? wxDateTime::Mon : wxDateTime::Sun));
 944             else
 945                 SetDateAndNotify(m_date - wxDateSpan::Day());
 946             break;
 947
 948         case WXK_UP:
 949             SetDateAndNotify(m_date - wxDateSpan::Week());
 950             break;
 951
 952         case WXK_DOWN:
 953             SetDateAndNotify(m_date + wxDateSpan::Week());
 954             break;
 955
 956         case WXK_HOME:
 957             if ( event.ControlDown() )
 958                 SetDateAndNotify(wxDateTime::Today());
 959             else
 960                 SetDateAndNotify(wxDateTime(1, m_date.GetMonth(), m_date.GetYear()));
 961             break;
 962
 963         case WXK_END:
 964             SetDateAndNotify(wxDateTime(m_date).SetToLastMonthDay());
 965             break;
 966
 967         case WXK_RETURN:
 968             GenerateEvent(wxEVT_CALENDAR_DOUBLECLICKED);
 969             break;
 970
 971         default:
 972             event.Skip();
 973     }
 974 }
 975
 976 // ----------------------------------------------------------------------------
 977 // holidays handling
 978 // ----------------------------------------------------------------------------
 979
 980 void wxCalendarCtrl::EnableHolidayDisplay(bool display)
 981 {
 982     long style = GetWindowStyle();
 983     if ( display )
 984         style |= wxCAL_SHOW_HOLIDAYS;
 985     else
 986         style &= ~wxCAL_SHOW_HOLIDAYS;
 987
 988     SetWindowStyle(style);
 989
 990     if ( display )
 991         SetHolidayAttrs();
 992     else
 993         ResetHolidayAttrs();
 994
 995     Refresh();
 996 }
 997
 998 void wxCalendarCtrl::SetHolidayAttrs()
 999 {
1000     if ( GetWindowStyle() & wxCAL_SHOW_HOLIDAYS )
1001     {
1002         ResetHolidayAttrs();
1003
1004         wxDateTime::Tm tm = m_date.GetTm();
1005         wxDateTime dtStart(1, tm.mon, tm.year),
1006                    dtEnd = dtStart.GetLastMonthDay();
1007
1008         wxDateTimeArray hol;
1009         wxDateTimeHolidayAuthority::GetHolidaysInRange(dtStart, dtEnd, hol);
1010
1011         size_t count = hol.GetCount();
1012         for ( size_t n = 0; n < count; n++ )
1013         {
1014             SetHoliday(hol[n].GetDay());
1015         }
1016     }
1017 }
1018
1019 void wxCalendarCtrl::SetHoliday(size_t day)
1020 {
1021     wxCHECK_RET( day > 0 && day < 32, _T("invalid day in SetHoliday") );
1022
1023     wxCalendarDateAttr *attr = GetAttr(day);
1024     if ( !attr )
1025     {
1026         attr = new wxCalendarDateAttr;
1027     }
1028
1029     attr->SetHoliday(TRUE);
1030
1031     // can't use SetAttr() because it would delete this pointer
1032     m_attrs[day - 1] = attr;
1033 }
1034
1035 void wxCalendarCtrl::ResetHolidayAttrs()
1036 {
1037     for ( size_t day = 0; day < 31; day++ )
1038     {
1039         if ( m_attrs[day] )
1040         {
1041             m_attrs[day]->SetHoliday(FALSE);
1042         }
1043     }
1044 }
1045
1046 // ----------------------------------------------------------------------------
1047 // wxCalendarEvent
1048 // ----------------------------------------------------------------------------
1049
1050 void wxCalendarEvent::Init()
1051 {
1052     m_wday = wxDateTime::Inv_WeekDay;
1053 }
1054
1055 wxCalendarEvent::wxCalendarEvent(wxCalendarCtrl *cal, wxEventType type)
1056                : wxCommandEvent(type, cal->GetId())
1057 {
1058     m_date = cal->GetDate();
1059 }
1060
1061 #endif // wxUSE_SPINBTN
1062