src/msw/spinctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/spinctrl.cpp
   3 // Purpose:     wxSpinCtrl class implementation for Win32
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.07.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1999-2005 Vadim Zeitlin
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_SPINCTRL
  28
  29 #include "wx/spinctrl.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/hashmap.h"
  33     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  34     #include "wx/event.h"
  35     #include "wx/textctrl.h"
  36     #include "wx/wxcrtvararg.h"
  37 #endif
  38
  39 #include "wx/msw/private.h"
  40
  41 #if wxUSE_TOOLTIPS
  42     #include "wx/tooltip.h"
  43 #endif // wxUSE_TOOLTIPS
  44
  45 #include <limits.h>         // for INT_MIN
  46
  47 // ----------------------------------------------------------------------------
  48 // macros
  49 // ----------------------------------------------------------------------------
  50
  51 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
  52     EVT_CHAR(wxSpinCtrl::OnChar)
  53     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
  54     EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
  55 END_EVENT_TABLE()
  56
  57 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)
  58
  59 // ----------------------------------------------------------------------------
  60 // constants
  61 // ----------------------------------------------------------------------------
  62
  63 // the margin between the up-down control and its buddy (can be arbitrary,
  64 // choose what you like - or may be decide during run-time depending on the
  65 // font size?)
  66 static const int MARGIN_BETWEEN = 1;
  67
  68
  69 // ---------------------------------------------------------------------------
  70 // global vars
  71 // ---------------------------------------------------------------------------
  72
  73 namespace
  74 {
  75
  76 // Global hash used to find the spin control corresponding to the given buddy
  77 // text control HWND.
  78 WX_DECLARE_HASH_MAP(HWND, wxSpinCtrl *,
  79                     wxPointerHash, wxPointerEqual,
  80                     SpinForTextCtrl);
  81
  82 SpinForTextCtrl gs_spinForTextCtrl;
  83
  84 } // anonymous namespace
  85
  86 // ============================================================================
  87 // implementation
  88 // ============================================================================
  89
  90 // ----------------------------------------------------------------------------
  91 // wnd proc for the buddy text ctrl
  92 // ----------------------------------------------------------------------------
  93
  94 LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
  95                                             UINT message,
  96                                             WPARAM wParam,
  97                                             LPARAM lParam)
  98 {
  99     wxSpinCtrl * const spin = wxSpinCtrl::GetSpinForTextCtrl(hwnd);
 100
 101     // forward some messages (mostly the key and focus ones) to the spin ctrl
 102     switch ( message )
 103     {
 104         case WM_SETFOCUS:
 105             // if the focus comes from the spin control itself, don't set it
 106             // back to it -- we don't want to go into an infinite loop
 107             if ( (WXHWND)wParam == spin->GetHWND() )
 108                 break;
 109             //else: fall through
 110
 111         case WM_KILLFOCUS:
 112         case WM_CHAR:
 113         case WM_DEADCHAR:
 114         case WM_KEYUP:
 115         case WM_KEYDOWN:
 116 #ifdef WM_HELP
 117         // we need to forward WM_HELP too to ensure that the context help
 118         // associated with wxSpinCtrl is shown when the text control part of it
 119         // is clicked with the "?" cursor
 120         case WM_HELP:
 121 #endif
 122             spin->MSWWindowProc(message, wParam, lParam);
 123
 124             // The control may have been deleted at this point, so check.
 125             if ( !::IsWindow(hwnd) )
 126                 return 0;
 127             break;
 128
 129         case WM_GETDLGCODE:
 130             if ( spin->HasFlag(wxTE_PROCESS_ENTER) )
 131             {
 132                 long dlgCode = ::CallWindowProc
 133                                  (
 134                                     CASTWNDPROC spin->GetBuddyWndProc(),
 135                                     hwnd,
 136                                     message,
 137                                     wParam,
 138                                     lParam
 139                                  );
 140                 dlgCode |= DLGC_WANTMESSAGE;
 141                 return dlgCode;
 142             }
 143             break;
 144     }
 145
 146     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
 147                             hwnd, message, wParam, lParam);
 148 }
 149
 150 /* static */
 151 wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 152 {
 153     const SpinForTextCtrl::const_iterator
 154         it = gs_spinForTextCtrl.find(hwndBuddy);
 155     if ( it == gs_spinForTextCtrl.end() )
 156         return NULL;
 157
 158     wxSpinCtrl * const spin = it->second;
 159
 160     // sanity check
 161     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
 162                   wxT("wxSpinCtrl has incorrect buddy HWND!") );
 163
 164     return spin;
 165 }
 166
 167 // process a WM_COMMAND generated by the buddy text control
 168 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 169 {
 170     if ( (cmd == EN_CHANGE) && (!m_blockEvent ))
 171     {
 172         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 173         event.SetEventObject(this);
 174         wxString val = wxGetWindowText(m_hwndBuddy);
 175         event.SetString(val);
 176         event.SetInt(GetValue());
 177         return HandleWindowEvent(event);
 178     }
 179
 180     // not processed
 181     return false;
 182 }
 183
 184 void wxSpinCtrl::OnChar(wxKeyEvent& event)
 185 {
 186     switch ( event.GetKeyCode() )
 187     {
 188         case WXK_RETURN:
 189             {
 190                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 191                 InitCommandEvent(event);
 192                 wxString val = wxGetWindowText(m_hwndBuddy);
 193                 event.SetString(val);
 194                 event.SetInt(GetValue());
 195                 if ( HandleWindowEvent(event) )
 196                     return;
 197                 break;
 198             }
 199
 200         case WXK_TAB:
 201             // always produce navigation event - even if we process TAB
 202             // ourselves the fact that we got here means that the user code
 203             // decided to skip processing of this TAB - probably to let it
 204             // do its default job.
 205             {
 206                 wxNavigationKeyEvent eventNav;
 207                 eventNav.SetDirection(!event.ShiftDown());
 208                 eventNav.SetWindowChange(event.ControlDown());
 209                 eventNav.SetEventObject(this);
 210
 211                 if ( GetParent()->HandleWindowEvent(eventNav) )
 212                     return;
 213             }
 214             break;
 215     }
 216
 217     // no, we didn't process it
 218     event.Skip();
 219 }
 220
 221 void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
 222 {
 223     // ensure that a correct value is shown by the control
 224     NormalizeValue();
 225     event.Skip();
 226 }
 227
 228 void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 229 {
 230     // when we get focus, give it to our buddy window as it needs it more than
 231     // we do
 232     ::SetFocus((HWND)m_hwndBuddy);
 233
 234     event.Skip();
 235 }
 236
 237 void wxSpinCtrl::NormalizeValue()
 238 {
 239     const int value = GetValue();
 240     const bool changed = value != m_oldValue;
 241
 242     // notice that we have to call SetValue() even if the value didn't change
 243     // because otherwise we could be left with empty buddy control when value
 244     // is 0, see comment in SetValue()
 245     SetValue(value);
 246
 247     if ( changed )
 248     {
 249         SendSpinUpdate(value);
 250     }
 251 }
 252
 253 // ----------------------------------------------------------------------------
 254 // construction
 255 // ----------------------------------------------------------------------------
 256
 257 bool wxSpinCtrl::Create(wxWindow *parent,
 258                         wxWindowID id,
 259                         const wxString& value,
 260                         const wxPoint& pos,
 261                         const wxSize& size,
 262                         long style,
 263                         int min, int max, int initial,
 264                         const wxString& name)
 265 {
 266     m_blockEvent = false;
 267
 268     // this should be in ctor/init function but I don't want to add one to 2.8
 269     // to avoid problems with default ctor which can be inlined in the user
 270     // code and so might not get this fix without recompilation
 271     m_oldValue = INT_MIN;
 272
 273     // before using DoGetBestSize(), have to set style to let the base class
 274     // know whether this is a horizontal or vertical control (we're always
 275     // vertical)
 276     style |= wxSP_VERTICAL;
 277
 278     if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
 279 #ifdef __WXWINCE__
 280         style |= wxBORDER_SIMPLE;
 281 #else
 282         style |= wxBORDER_SUNKEN;
 283 #endif
 284
 285     SetWindowStyle(style);
 286
 287     WXDWORD exStyle = 0;
 288     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 289
 290     // propagate text alignment style to text ctrl
 291     if ( style & wxALIGN_RIGHT )
 292         msStyle |= ES_RIGHT;
 293     else if ( style & wxALIGN_CENTER )
 294         msStyle |= ES_CENTER;
 295
 296     // calculate the sizes: the size given is the total size for both controls
 297     // and we need to fit them both in the given width (height is the same)
 298     wxSize sizeText(size), sizeBtn(size);
 299     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
 300     if ( sizeText.x <= 0 )
 301     {
 302         // DEFAULT_ITEM_WIDTH is the default width for the text control
 303         sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
 304     }
 305
 306     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
 307     if ( sizeText.x <= 0 )
 308     {
 309         wxLogDebug(wxT("not enough space for wxSpinCtrl!"));
 310     }
 311
 312     wxPoint posBtn(pos);
 313     posBtn.x += sizeText.x + MARGIN_BETWEEN;
 314
 315     // we must create the text control before the spin button for the purpose
 316     // of the dialog navigation: if there is a static text just before the spin
 317     // control, activating it by Alt-letter should give focus to the text
 318     // control, not the spin and the dialog navigation code will give focus to
 319     // the next control (at Windows level), not the one after it
 320
 321     // create the text window
 322
 323     m_hwndBuddy = (WXHWND)::CreateWindowEx
 324                     (
 325                      exStyle,                // sunken border
 326                      wxT("EDIT"),             // window class
 327                      NULL,                   // no window title
 328                      msStyle,                // style (will be shown later)
 329                      pos.x, pos.y,           // position
 330                      0, 0,                   // size (will be set later)
 331                      GetHwndOf(parent),      // parent
 332                      (HMENU)-1,              // control id
 333                      wxGetInstance(),        // app instance
 334                      NULL                    // unused client data
 335                     );
 336
 337     if ( !m_hwndBuddy )
 338     {
 339         wxLogLastError(wxT("CreateWindow(buddy text window)"));
 340
 341         return false;
 342     }
 343
 344
 345     // create the spin button
 346     if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
 347     {
 348         return false;
 349     }
 350
 351     wxSpinButtonBase::SetRange(min, max);
 352
 353     // subclass the text ctrl to be able to intercept some events
 354     gs_spinForTextCtrl[GetBuddyHwnd()] = this;
 355
 356     m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
 357                                                 wxBuddyTextWndProc);
 358
 359     // set up fonts and colours  (This is nomally done in MSWCreateControl)
 360     InheritAttributes();
 361     if (!m_hasFont)
 362         SetFont(GetDefaultAttributes().font);
 363
 364     // set the size of the text window - can do it only now, because we
 365     // couldn't call DoGetBestSize() before as font wasn't set
 366     if ( sizeText.y <= 0 )
 367     {
 368         int cx, cy;
 369         wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 370
 371         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 372     }
 373
 374     SetInitialSize(size);
 375
 376     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 377
 378     // associate the text window with the spin button
 379     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 380
 381     SetValue(initial);
 382
 383     // Set the range in the native control
 384     SetRange(min, max);
 385
 386     if ( !value.empty() )
 387     {
 388         SetValue(value);
 389         m_oldValue = (int) wxAtol(value);
 390     }
 391     else
 392     {
 393         SetValue(wxString::Format(wxT("%d"), initial));
 394         m_oldValue = initial;
 395     }
 396
 397     return true;
 398 }
 399
 400 wxSpinCtrl::~wxSpinCtrl()
 401 {
 402     // destroy the buddy window because this pointer which wxBuddyTextWndProc
 403     // uses will not soon be valid any more
 404     ::DestroyWindow( GetBuddyHwnd() );
 405
 406     gs_spinForTextCtrl.erase(GetBuddyHwnd());
 407 }
 408
 409 // ----------------------------------------------------------------------------
 410 // wxTextCtrl-like methods
 411 // ----------------------------------------------------------------------------
 412
 413 void wxSpinCtrl::SetValue(const wxString& text)
 414 {
 415     if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) )
 416     {
 417         wxLogLastError(wxT("SetWindowText(buddy)"));
 418     }
 419 }
 420
 421 void  wxSpinCtrl::SetValue(int val)
 422 {
 423     m_blockEvent = true;
 424
 425     wxSpinButton::SetValue(val);
 426
 427     // normally setting the value of the spin button is enough as it updates
 428     // its buddy control automatically ...
 429     if ( wxGetWindowText(m_hwndBuddy).empty() )
 430     {
 431         // ... but sometimes it doesn't, notably when the value is 0 and the
 432         // text control is currently empty, the spin button seems to be happy
 433         // to leave it like this, while we really want to always show the
 434         // current value in the control, so do it manually
 435         ::SetWindowText(GetBuddyHwnd(),
 436                         wxString::Format(wxT("%d"), val).wx_str());
 437     }
 438
 439     m_oldValue = GetValue();
 440
 441     m_blockEvent = false;
 442 }
 443
 444 int wxSpinCtrl::GetValue() const
 445 {
 446     wxString val = wxGetWindowText(m_hwndBuddy);
 447
 448     long n;
 449     if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )
 450         n = INT_MIN;
 451
 452     if ( n < m_min )
 453         n = m_min;
 454     if ( n > m_max )
 455         n = m_max;
 456
 457     return n;
 458 }
 459
 460 void wxSpinCtrl::SetSelection(long from, long to)
 461 {
 462     // if from and to are both -1, it means (in wxWidgets) that all text should
 463     // be selected - translate into Windows convention
 464     if ( (from == -1) && (to == -1) )
 465     {
 466         from = 0;
 467     }
 468
 469     ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
 470 }
 471
 472 // ----------------------------------------------------------------------------
 473 // wxSpinButton methods
 474 // ----------------------------------------------------------------------------
 475
 476 void wxSpinCtrl::SetRange(int minVal, int maxVal)
 477 {
 478     wxSpinButton::SetRange(minVal, maxVal);
 479
 480     // this control is used for numeric entry so restrict the input to numeric
 481     // keys only -- but only if we don't need to be able to enter "-" in it as
 482     // otherwise this would become impossible
 483     const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
 484     DWORD styleNew;
 485     if ( minVal < 0 )
 486         styleNew = styleOld & ~ES_NUMBER;
 487     else
 488         styleNew = styleOld | ES_NUMBER;
 489
 490     if ( styleNew != styleOld )
 491         ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew);
 492 }
 493
 494 // ----------------------------------------------------------------------------
 495 // forward some methods to subcontrols
 496 // ----------------------------------------------------------------------------
 497
 498 bool wxSpinCtrl::SetFont(const wxFont& font)
 499 {
 500     if ( !wxWindowBase::SetFont(font) )
 501     {
 502         // nothing to do
 503         return false;
 504     }
 505
 506     WXHANDLE hFont = GetFont().GetResourceHandle();
 507     (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE);
 508
 509     return true;
 510 }
 511
 512 bool wxSpinCtrl::Show(bool show)
 513 {
 514     if ( !wxControl::Show(show) )
 515     {
 516         return false;
 517     }
 518
 519     ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE);
 520
 521     return true;
 522 }
 523
 524 bool wxSpinCtrl::Reparent(wxWindowBase *newParent)
 525 {
 526     // Reparenting both the updown control and its buddy does not seem to work:
 527     // they continue to be connected somehow, but visually there is no feedback
 528     // on the buddy edit control. To avoid this problem, we reparent the buddy
 529     // window normally, but we recreate the updown control and reassign its
 530     // buddy.
 531
 532     // Get the position before changing the parent as it would be offset after
 533     // changing it.
 534     const wxRect rect = GetRect();
 535
 536     if ( !wxWindowBase::Reparent(newParent) )
 537         return false;
 538
 539     newParent->GetChildren().DeleteObject(this);
 540
 541     // destroy the old spin button after detaching it from this wxWindow object
 542     // (notice that m_hWnd will be reset by UnsubclassWin() so save it first)
 543     const HWND hwndOld = GetHwnd();
 544     UnsubclassWin();
 545     if ( !::DestroyWindow(hwndOld) )
 546     {
 547         wxLogLastError(wxT("DestroyWindow"));
 548     }
 549
 550     // create and initialize the new one
 551     if ( !wxSpinButton::Create(GetParent(), GetId(),
 552                                rect.GetPosition(), rect.GetSize(),
 553                                GetWindowStyle(), GetName()) )
 554         return false;
 555
 556     // reapply our values to wxSpinButton
 557     wxSpinButton::SetValue(GetValue());
 558     SetRange(m_min, m_max);
 559
 560     // also set the size again with wxSIZE_ALLOW_MINUS_ONE flag: this is
 561     // necessary if our original position used -1 for either x or y
 562     SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 563
 564     // associate it with the buddy control again
 565     ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent()));
 566     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0);
 567
 568     return true;
 569 }
 570
 571 bool wxSpinCtrl::Enable(bool enable)
 572 {
 573     if ( !wxControl::Enable(enable) )
 574     {
 575         return false;
 576     }
 577
 578     MSWEnableHWND(GetBuddyHwnd(), enable);
 579
 580     return true;
 581 }
 582
 583 void wxSpinCtrl::SetFocus()
 584 {
 585     ::SetFocus(GetBuddyHwnd());
 586 }
 587
 588 #if wxUSE_TOOLTIPS
 589
 590 void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
 591 {
 592     wxSpinButton::DoSetToolTip(tip);
 593
 594     if ( tip )
 595         tip->Add(m_hwndBuddy);
 596 }
 597
 598 #endif // wxUSE_TOOLTIPS
 599
 600 // ----------------------------------------------------------------------------
 601 // events processing and generation
 602 // ----------------------------------------------------------------------------
 603
 604 void wxSpinCtrl::SendSpinUpdate(int value)
 605 {
 606     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
 607     event.SetEventObject(this);
 608     event.SetInt(value);
 609
 610     (void)HandleWindowEvent(event);
 611
 612     m_oldValue = value;
 613 }
 614
 615 bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
 616                                WXWORD pos, WXHWND control)
 617 {
 618     wxCHECK_MSG( control, false, wxT("scrolling what?") );
 619
 620     if ( wParam != SB_THUMBPOSITION )
 621     {
 622         // probable SB_ENDSCROLL - we don't react to it
 623         return false;
 624     }
 625
 626     int new_value = (short) pos;
 627     if (m_oldValue != new_value)
 628        SendSpinUpdate( new_value );
 629
 630     return TRUE;
 631 }
 632
 633 bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
 634 {
 635     NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
 636
 637     if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
 638         return false;
 639
 640     *result = 0;  // never reject UP and DOWN events
 641
 642     return TRUE;
 643 }
 644
 645
 646 // ----------------------------------------------------------------------------
 647 // size calculations
 648 // ----------------------------------------------------------------------------
 649
 650 wxSize wxSpinCtrl::DoGetBestSize() const
 651 {
 652     wxSize sizeBtn = wxSpinButton::DoGetBestSize();
 653     sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 654
 655     int y;
 656     wxGetCharSize(GetHWND(), NULL, &y, GetFont());
 657     y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
 658
 659     // JACS: we should always use the height calculated
 660     // from above, because otherwise we'll get a spin control
 661     // that's too big. So never use the height calculated
 662     // from wxSpinButton::DoGetBestSize().
 663
 664     // if ( sizeBtn.y < y )
 665     {
 666         // make the text tall enough
 667         sizeBtn.y = y;
 668     }
 669
 670     return sizeBtn;
 671 }
 672
 673 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 674 {
 675     int widthBtn = wxSpinButton::DoGetBestSize().x;
 676     int widthText = width - widthBtn - MARGIN_BETWEEN;
 677     if ( widthText <= 0 )
 678     {
 679         wxLogDebug(wxT("not enough space for wxSpinCtrl!"));
 680     }
 681
 682     // 1) The buddy window
 683     DoMoveSibling(m_hwndBuddy, x, y, widthText, height);
 684
 685     // 2) The button window
 686     x += widthText + MARGIN_BETWEEN;
 687     wxSpinButton::DoMoveWindow(x, y, widthBtn, height);
 688 }
 689
 690 // get total size of the control
 691 void wxSpinCtrl::DoGetSize(int *x, int *y) const
 692 {
 693     RECT spinrect, textrect, ctrlrect;
 694     GetWindowRect(GetHwnd(), &spinrect);
 695     GetWindowRect(GetBuddyHwnd(), &textrect);
 696     UnionRect(&ctrlrect,&textrect, &spinrect);
 697
 698     if ( x )
 699         *x = ctrlrect.right - ctrlrect.left;
 700     if ( y )
 701         *y = ctrlrect.bottom - ctrlrect.top;
 702 }
 703
 704 void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
 705 {
 706     RECT spinrect = wxGetClientRect(GetHwnd());
 707     RECT textrect = wxGetClientRect(GetBuddyHwnd());
 708     RECT ctrlrect;
 709     UnionRect(&ctrlrect,&textrect, &spinrect);
 710
 711     if ( x )
 712         *x = ctrlrect.right - ctrlrect.left;
 713     if ( y )
 714         *y = ctrlrect.bottom - ctrlrect.top;
 715 }
 716
 717 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 718 {
 719     // hack: pretend that our HWND is the text control just for a moment
 720     WXHWND hWnd = GetHWND();
 721     wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
 722
 723     wxSpinButton::DoGetPosition(x, y);
 724
 725     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 726 }
 727
 728 #endif // wxUSE_SPINCTRL