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/msw/wrapcctl.h" // include <commctrl.h> "properly"
  33     #include "wx/event.h"
  34     #include "wx/textctrl.h"
  35     #include "wx/wxcrtvararg.h"
  36 #endif
  37
  38 #include "wx/msw/private.h"
  39
  40 #if wxUSE_TOOLTIPS
  41     #include "wx/tooltip.h"
  42 #endif // wxUSE_TOOLTIPS
  43
  44 #include <limits.h>         // for INT_MIN
  45
  46 // ----------------------------------------------------------------------------
  47 // macros
  48 // ----------------------------------------------------------------------------
  49
  50 #if wxUSE_EXTENDED_RTTI
  51 WX_DEFINE_FLAGS( wxSpinCtrlStyle )
  52
  53 wxBEGIN_FLAGS( wxSpinCtrlStyle )
  54     // new style border flags, we put them first to
  55     // use them for streaming out
  56     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  57     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  58     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  59     wxFLAGS_MEMBER(wxBORDER_RAISED)
  60     wxFLAGS_MEMBER(wxBORDER_STATIC)
  61     wxFLAGS_MEMBER(wxBORDER_NONE)
  62
  63     // old style border flags
  64     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  65     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  66     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  67     wxFLAGS_MEMBER(wxRAISED_BORDER)
  68     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  69     wxFLAGS_MEMBER(wxBORDER)
  70
  71     // standard window styles
  72     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  73     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  74     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  75     wxFLAGS_MEMBER(wxWANTS_CHARS)
  76     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  77     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  78     wxFLAGS_MEMBER(wxVSCROLL)
  79     wxFLAGS_MEMBER(wxHSCROLL)
  80
  81     wxFLAGS_MEMBER(wxSP_HORIZONTAL)
  82     wxFLAGS_MEMBER(wxSP_VERTICAL)
  83     wxFLAGS_MEMBER(wxSP_ARROW_KEYS)
  84     wxFLAGS_MEMBER(wxSP_WRAP)
  85
  86 wxEND_FLAGS( wxSpinCtrlStyle )
  87
  88 IMPLEMENT_DYNAMIC_CLASS_XTI(wxSpinCtrl, wxControl,"wx/spinbut.h")
  89
  90 wxBEGIN_PROPERTIES_TABLE(wxSpinCtrl)
  91     wxEVENT_RANGE_PROPERTY( Spin , wxEVT_SCROLL_TOP , wxEVT_SCROLL_CHANGED , wxSpinEvent )
  92     wxEVENT_PROPERTY( Updated , wxEVT_COMMAND_SPINCTRL_UPDATED , wxCommandEvent )
  93     wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
  94     wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
  95
  96     wxPROPERTY( ValueString , wxString , SetValue , GetValue , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) ;
  97     wxPROPERTY( Value , int , SetValue, GetValue, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  98     wxPROPERTY( Min , int , SetMin, GetMin, 0, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
  99     wxPROPERTY( Max , int , SetMax, GetMax, 0 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 100     wxPROPERTY_FLAGS( WindowStyle , wxSpinCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 101 /*
 102     TODO PROPERTIES
 103         style wxSP_ARROW_KEYS
 104 */
 105 wxEND_PROPERTIES_TABLE()
 106
 107 wxBEGIN_HANDLERS_TABLE(wxSpinCtrl)
 108 wxEND_HANDLERS_TABLE()
 109
 110 wxCONSTRUCTOR_6( wxSpinCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , ValueString , wxPoint , Position , wxSize , Size , long , WindowStyle )
 111 #else
 112 IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
 113 #endif
 114
 115 BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
 116     EVT_CHAR(wxSpinCtrl::OnChar)
 117
 118     EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus)
 119     EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus)
 120     EVT_SPIN(wxID_ANY, wxSpinCtrl::OnSpinChange)
 121 END_EVENT_TABLE()
 122
 123 #define GetBuddyHwnd()      (HWND)(m_hwndBuddy)
 124
 125 // ----------------------------------------------------------------------------
 126 // constants
 127 // ----------------------------------------------------------------------------
 128
 129 // the margin between the up-down control and its buddy (can be arbitrary,
 130 // choose what you like - or may be decide during run-time depending on the
 131 // font size?)
 132 static const int MARGIN_BETWEEN = 1;
 133
 134 // ============================================================================
 135 // implementation
 136 // ============================================================================
 137
 138 wxArraySpins wxSpinCtrl::ms_allSpins;
 139
 140 // ----------------------------------------------------------------------------
 141 // wnd proc for the buddy text ctrl
 142 // ----------------------------------------------------------------------------
 143
 144 LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
 145                                             UINT message,
 146                                             WPARAM wParam,
 147                                             LPARAM lParam)
 148 {
 149     wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData(hwnd);
 150
 151     // forward some messages (the key and focus ones only so far) to
 152     // the spin ctrl
 153     switch ( message )
 154     {
 155         case WM_SETFOCUS:
 156             // if the focus comes from the spin control itself, don't set it
 157             // back to it -- we don't want to go into an infinite loop
 158             if ( (WXHWND)wParam == spin->GetHWND() )
 159                 break;
 160             //else: fall through
 161
 162         case WM_KILLFOCUS:
 163         case WM_CHAR:
 164         case WM_DEADCHAR:
 165         case WM_KEYUP:
 166         case WM_KEYDOWN:
 167             spin->MSWWindowProc(message, wParam, lParam);
 168
 169             // The control may have been deleted at this point, so check.
 170             if ( !::IsWindow(hwnd) || wxGetWindowUserData(hwnd) != spin )
 171                 return 0;
 172             break;
 173
 174         case WM_GETDLGCODE:
 175             // we want to get WXK_RETURN in order to generate the event for it
 176             return DLGC_WANTCHARS;
 177     }
 178
 179     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
 180                             hwnd, message, wParam, lParam);
 181 }
 182
 183 /* static */
 184 wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 185 {
 186     wxSpinCtrl *spin = (wxSpinCtrl *)wxGetWindowUserData((HWND)hwndBuddy);
 187
 188     int i = ms_allSpins.Index(spin);
 189
 190     if ( i == wxNOT_FOUND )
 191         return NULL;
 192
 193     // sanity check
 194     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
 195                   _T("wxSpinCtrl has incorrect buddy HWND!") );
 196
 197     return spin;
 198 }
 199
 200 // process a WM_COMMAND generated by the buddy text control
 201 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 202 {
 203     if ( cmd == EN_CHANGE )
 204     {
 205         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 206         event.SetEventObject(this);
 207         wxString val = wxGetWindowText(m_hwndBuddy);
 208         event.SetString(val);
 209         event.SetInt(GetValue());
 210         return GetEventHandler()->ProcessEvent(event);
 211     }
 212
 213     // not processed
 214     return false;
 215 }
 216
 217 void wxSpinCtrl::OnChar(wxKeyEvent& event)
 218 {
 219     switch ( event.GetKeyCode() )
 220     {
 221         case WXK_RETURN:
 222             {
 223                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 224                 InitCommandEvent(event);
 225                 wxString val = wxGetWindowText(m_hwndBuddy);
 226                 event.SetString(val);
 227                 event.SetInt(GetValue());
 228                 if ( GetEventHandler()->ProcessEvent(event) )
 229                     return;
 230                 break;
 231             }
 232
 233         case WXK_TAB:
 234             // always produce navigation event - even if we process TAB
 235             // ourselves the fact that we got here means that the user code
 236             // decided to skip processing of this TAB - probably to let it
 237             // do its default job.
 238             {
 239                 wxNavigationKeyEvent eventNav;
 240                 eventNav.SetDirection(!event.ShiftDown());
 241                 eventNav.SetWindowChange(event.ControlDown());
 242                 eventNav.SetEventObject(this);
 243
 244                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
 245                     return;
 246             }
 247             break;
 248     }
 249
 250     // no, we didn't process it
 251     event.Skip();
 252 }
 253
 254 void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
 255 {
 256     // ensure that a correct value is shown by the control
 257     NormalizeValue();
 258     event.Skip();
 259 }
 260
 261 void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 262 {
 263     // when we get focus, give it to our buddy window as it needs it more than
 264     // we do
 265     ::SetFocus((HWND)m_hwndBuddy);
 266
 267     event.Skip();
 268 }
 269
 270 void wxSpinCtrl::NormalizeValue()
 271 {
 272     const int value = GetValue();
 273     const bool changed = value != m_oldValue;
 274
 275     // notice that we have to call SetValue() even if the value didn't change
 276     // because otherwise we could be left with empty buddy control when value
 277     // is 0, see comment in SetValue()
 278     SetValue(value);
 279
 280     if ( changed )
 281     {
 282         SendSpinUpdate(value);
 283     }
 284 }
 285
 286 // ----------------------------------------------------------------------------
 287 // construction
 288 // ----------------------------------------------------------------------------
 289
 290 bool wxSpinCtrl::Create(wxWindow *parent,
 291                         wxWindowID id,
 292                         const wxString& value,
 293                         const wxPoint& pos,
 294                         const wxSize& size,
 295                         long style,
 296                         int min, int max, int initial,
 297                         const wxString& name)
 298 {
 299     // this should be in ctor/init function but I don't want to add one to 2.8
 300     // to avoid problems with default ctor which can be inlined in the user
 301     // code and so might not get this fix without recompilation
 302     m_oldValue = INT_MIN;
 303
 304     // before using DoGetBestSize(), have to set style to let the base class
 305     // know whether this is a horizontal or vertical control (we're always
 306     // vertical)
 307     style |= wxSP_VERTICAL;
 308
 309     if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
 310 #ifdef __WXWINCE__
 311         style |= wxBORDER_SIMPLE;
 312 #else
 313         style |= wxBORDER_SUNKEN;
 314 #endif
 315
 316     SetWindowStyle(style);
 317
 318     WXDWORD exStyle = 0;
 319     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 320
 321     // this control is used for numeric entry so normally using these flags by
 322     // default shouldn't be a problem, if it is we can always add a style such
 323     // as wxSP_NON_NUMERIC later
 324     msStyle |= ES_RIGHT | ES_NUMBER;
 325
 326     // calculate the sizes: the size given is the total size for both controls
 327     // and we need to fit them both in the given width (height is the same)
 328     wxSize sizeText(size), sizeBtn(size);
 329     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
 330     if ( sizeText.x <= 0 )
 331     {
 332         // DEFAULT_ITEM_WIDTH is the default width for the text control
 333         sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
 334     }
 335
 336     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
 337     if ( sizeText.x <= 0 )
 338     {
 339         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
 340     }
 341
 342     wxPoint posBtn(pos);
 343     posBtn.x += sizeText.x + MARGIN_BETWEEN;
 344
 345     // we must create the text control before the spin button for the purpose
 346     // of the dialog navigation: if there is a static text just before the spin
 347     // control, activating it by Alt-letter should give focus to the text
 348     // control, not the spin and the dialog navigation code will give focus to
 349     // the next control (at Windows level), not the one after it
 350
 351     // create the text window
 352
 353     m_hwndBuddy = (WXHWND)::CreateWindowEx
 354                     (
 355                      exStyle,                // sunken border
 356                      _T("EDIT"),             // window class
 357                      NULL,                   // no window title
 358                      msStyle,                // style (will be shown later)
 359                      pos.x, pos.y,           // position
 360                      0, 0,                   // size (will be set later)
 361                      GetHwndOf(parent),      // parent
 362                      (HMENU)-1,              // control id
 363                      wxGetInstance(),        // app instance
 364                      NULL                    // unused client data
 365                     );
 366
 367     if ( !m_hwndBuddy )
 368     {
 369         wxLogLastError(wxT("CreateWindow(buddy text window)"));
 370
 371         return false;
 372     }
 373
 374
 375     // create the spin button
 376     if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
 377     {
 378         return false;
 379     }
 380
 381     wxSpinButtonBase::SetRange(min, max);
 382
 383     // subclass the text ctrl to be able to intercept some events
 384     wxSetWindowUserData(GetBuddyHwnd(), this);
 385     m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
 386                                                 wxBuddyTextWndProc);
 387
 388     // set up fonts and colours  (This is nomally done in MSWCreateControl)
 389     InheritAttributes();
 390     if (!m_hasFont)
 391         SetFont(GetDefaultAttributes().font);
 392
 393     // set the size of the text window - can do it only now, because we
 394     // couldn't call DoGetBestSize() before as font wasn't set
 395     if ( sizeText.y <= 0 )
 396     {
 397         int cx, cy;
 398         wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 399
 400         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 401     }
 402
 403     SetInitialSize(size);
 404
 405     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 406
 407     // associate the text window with the spin button
 408     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 409
 410     SetValue(initial);
 411
 412     // Set the range in the native control
 413     SetRange(min, max);
 414
 415     if ( !value.empty() )
 416     {
 417         SetValue(value);
 418         m_oldValue = (int) wxAtol(value);
 419     }
 420     else
 421     {
 422         SetValue(wxString::Format(wxT("%d"), initial));
 423         m_oldValue = initial;
 424     }
 425
 426     // do it after finishing with m_hwndBuddy creation to avoid generating
 427     // initial wxEVT_COMMAND_TEXT_UPDATED message
 428     ms_allSpins.Add(this);
 429
 430     return true;
 431 }
 432
 433 wxSpinCtrl::~wxSpinCtrl()
 434 {
 435     ms_allSpins.Remove(this);
 436
 437     // This removes spurious memory leak reporting
 438     if (ms_allSpins.GetCount() == 0)
 439         ms_allSpins.Clear();
 440
 441     // destroy the buddy window because this pointer which wxBuddyTextWndProc
 442     // uses will not soon be valid any more
 443     ::DestroyWindow(GetBuddyHwnd());
 444 }
 445
 446 // ----------------------------------------------------------------------------
 447 // wxTextCtrl-like methods
 448 // ----------------------------------------------------------------------------
 449
 450 void wxSpinCtrl::SetValue(const wxString& text)
 451 {
 452     if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) )
 453     {
 454         wxLogLastError(wxT("SetWindowText(buddy)"));
 455     }
 456 }
 457
 458 void  wxSpinCtrl::SetValue(int val)
 459 {
 460     wxSpinButton::SetValue(val);
 461
 462     // normally setting the value of the spin button is enough as it updates
 463     // its buddy control automatically ...
 464     if ( wxGetWindowText(m_hwndBuddy).empty() )
 465     {
 466         // ... but sometimes it doesn't, notably when the value is 0 and the
 467         // text control is currently empty, the spin button seems to be happy
 468         // to leave it like this, while we really want to always show the
 469         // current value in the control, so do it manually
 470         ::SetWindowText(GetBuddyHwnd(),
 471                         wxString::Format(_T("%d"), val).wx_str());
 472     }
 473
 474     m_oldValue = GetValue();
 475 }
 476
 477 int wxSpinCtrl::GetValue() const
 478 {
 479     wxString val = wxGetWindowText(m_hwndBuddy);
 480
 481     long n;
 482     if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )
 483         n = INT_MIN;
 484
 485     if ( n < m_min )
 486         n = m_min;
 487     if ( n > m_max )
 488         n = m_max;
 489
 490     return n;
 491 }
 492
 493 void wxSpinCtrl::SetSelection(long from, long to)
 494 {
 495     // if from and to are both -1, it means (in wxWidgets) that all text should
 496     // be selected - translate into Windows convention
 497     if ( (from == -1) && (to == -1) )
 498     {
 499         from = 0;
 500     }
 501
 502     ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
 503 }
 504
 505 // ----------------------------------------------------------------------------
 506 // forward some methods to subcontrols
 507 // ----------------------------------------------------------------------------
 508
 509 bool wxSpinCtrl::SetFont(const wxFont& font)
 510 {
 511     if ( !wxWindowBase::SetFont(font) )
 512     {
 513         // nothing to do
 514         return false;
 515     }
 516
 517     WXHANDLE hFont = GetFont().GetResourceHandle();
 518     (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE);
 519
 520     return true;
 521 }
 522
 523 bool wxSpinCtrl::Show(bool show)
 524 {
 525     if ( !wxControl::Show(show) )
 526     {
 527         return false;
 528     }
 529
 530     ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE);
 531
 532     return true;
 533 }
 534
 535 bool wxSpinCtrl::Enable(bool enable)
 536 {
 537     if ( !wxControl::Enable(enable) )
 538     {
 539         return false;
 540     }
 541
 542     ::EnableWindow(GetBuddyHwnd(), enable);
 543
 544     return true;
 545 }
 546
 547 void wxSpinCtrl::SetFocus()
 548 {
 549     ::SetFocus(GetBuddyHwnd());
 550 }
 551
 552 #if wxUSE_TOOLTIPS
 553
 554 void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
 555 {
 556     wxSpinButton::DoSetToolTip(tip);
 557
 558     if ( tip )
 559         tip->Add(m_hwndBuddy);
 560 }
 561
 562 #endif // wxUSE_TOOLTIPS
 563
 564 // ----------------------------------------------------------------------------
 565 // events processing and generation
 566 // ----------------------------------------------------------------------------
 567
 568 void wxSpinCtrl::SendSpinUpdate(int value)
 569 {
 570     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
 571     event.SetEventObject(this);
 572     event.SetInt(value);
 573
 574     (void)GetEventHandler()->ProcessEvent(event);
 575
 576     m_oldValue = value;
 577 }
 578
 579 void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
 580 {
 581     const int value = eventSpin.GetPosition();
 582     if ( value != m_oldValue )
 583     {
 584         SendSpinUpdate(value);
 585     }
 586 }
 587
 588 // ----------------------------------------------------------------------------
 589 // size calculations
 590 // ----------------------------------------------------------------------------
 591
 592 wxSize wxSpinCtrl::DoGetBestSize() const
 593 {
 594     wxSize sizeBtn = wxSpinButton::DoGetBestSize();
 595     sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 596
 597     int y;
 598     wxGetCharSize(GetHWND(), NULL, &y, GetFont());
 599     y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
 600
 601     // JACS: we should always use the height calculated
 602     // from above, because otherwise we'll get a spin control
 603     // that's too big. So never use the height calculated
 604     // from wxSpinButton::DoGetBestSize().
 605
 606     // if ( sizeBtn.y < y )
 607     {
 608         // make the text tall enough
 609         sizeBtn.y = y;
 610     }
 611
 612     return sizeBtn;
 613 }
 614
 615 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 616 {
 617     int widthBtn = wxSpinButton::DoGetBestSize().x;
 618     int widthText = width - widthBtn - MARGIN_BETWEEN;
 619     if ( widthText <= 0 )
 620     {
 621         wxLogDebug(_T("not enough space for wxSpinCtrl!"));
 622     }
 623
 624     // 1) The buddy window
 625     DoMoveSibling(m_hwndBuddy, x, y, widthText, height);
 626
 627     // 2) The button window
 628     x += widthText + MARGIN_BETWEEN;
 629     wxSpinButton::DoMoveWindow(x, y, widthBtn, height);
 630 }
 631
 632 // get total size of the control
 633 void wxSpinCtrl::DoGetSize(int *x, int *y) const
 634 {
 635     RECT spinrect, textrect, ctrlrect;
 636     GetWindowRect(GetHwnd(), &spinrect);
 637     GetWindowRect(GetBuddyHwnd(), &textrect);
 638     UnionRect(&ctrlrect,&textrect, &spinrect);
 639
 640     if ( x )
 641         *x = ctrlrect.right - ctrlrect.left;
 642     if ( y )
 643         *y = ctrlrect.bottom - ctrlrect.top;
 644 }
 645
 646 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 647 {
 648     // hack: pretend that our HWND is the text control just for a moment
 649     WXHWND hWnd = GetHWND();
 650     wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
 651
 652     wxSpinButton::DoGetPosition(x, y);
 653
 654     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 655 }
 656
 657 #endif // wxUSE_SPINCTRL