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             {
 123                 WXLRESULT result;
 124                 if ( spin->MSWHandleMessage(&result, message, wParam, lParam) )
 125                 {
 126                     // Do not let the message be processed by the window proc
 127                     // of the text control if it had been already handled at wx
 128                     // level, this is consistent with what happens for normal,
 129                     // non-composite controls.
 130                     return 0;
 131                 }
 132
 133                 // The control may have been deleted at this point, so check.
 134                 if ( !::IsWindow(hwnd) )
 135                     return 0;
 136             }
 137             break;
 138
 139         case WM_GETDLGCODE:
 140             if ( spin->HasFlag(wxTE_PROCESS_ENTER) )
 141             {
 142                 long dlgCode = ::CallWindowProc
 143                                  (
 144                                     CASTWNDPROC spin->GetBuddyWndProc(),
 145                                     hwnd,
 146                                     message,
 147                                     wParam,
 148                                     lParam
 149                                  );
 150                 dlgCode |= DLGC_WANTMESSAGE;
 151                 return dlgCode;
 152             }
 153             break;
 154     }
 155
 156     return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
 157                             hwnd, message, wParam, lParam);
 158 }
 159
 160 /* static */
 161 wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy)
 162 {
 163     const SpinForTextCtrl::const_iterator
 164         it = gs_spinForTextCtrl.find(hwndBuddy);
 165     if ( it == gs_spinForTextCtrl.end() )
 166         return NULL;
 167
 168     wxSpinCtrl * const spin = it->second;
 169
 170     // sanity check
 171     wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy,
 172                   wxT("wxSpinCtrl has incorrect buddy HWND!") );
 173
 174     return spin;
 175 }
 176
 177 // process a WM_COMMAND generated by the buddy text control
 178 bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id))
 179 {
 180     if ( (cmd == EN_CHANGE) && (!m_blockEvent ))
 181     {
 182         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 183         event.SetEventObject(this);
 184         wxString val = wxGetWindowText(m_hwndBuddy);
 185         event.SetString(val);
 186         event.SetInt(GetValue());
 187         return HandleWindowEvent(event);
 188     }
 189
 190     // not processed
 191     return false;
 192 }
 193
 194 void wxSpinCtrl::OnChar(wxKeyEvent& event)
 195 {
 196     switch ( event.GetKeyCode() )
 197     {
 198         case WXK_RETURN:
 199             {
 200                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 201                 InitCommandEvent(event);
 202                 wxString val = wxGetWindowText(m_hwndBuddy);
 203                 event.SetString(val);
 204                 event.SetInt(GetValue());
 205                 if ( HandleWindowEvent(event) )
 206                     return;
 207                 break;
 208             }
 209
 210         case WXK_TAB:
 211             // always produce navigation event - even if we process TAB
 212             // ourselves the fact that we got here means that the user code
 213             // decided to skip processing of this TAB - probably to let it
 214             // do its default job.
 215             {
 216                 wxNavigationKeyEvent eventNav;
 217                 eventNav.SetDirection(!event.ShiftDown());
 218                 eventNav.SetWindowChange(event.ControlDown());
 219                 eventNav.SetEventObject(this);
 220
 221                 if ( GetParent()->HandleWindowEvent(eventNav) )
 222                     return;
 223             }
 224             break;
 225     }
 226
 227     // no, we didn't process it
 228     event.Skip();
 229 }
 230
 231 void wxSpinCtrl::OnKillFocus(wxFocusEvent& event)
 232 {
 233     // ensure that a correct value is shown by the control
 234     NormalizeValue();
 235     event.Skip();
 236 }
 237
 238 void wxSpinCtrl::OnSetFocus(wxFocusEvent& event)
 239 {
 240     // when we get focus, give it to our buddy window as it needs it more than
 241     // we do
 242     ::SetFocus((HWND)m_hwndBuddy);
 243
 244     event.Skip();
 245 }
 246
 247 void wxSpinCtrl::NormalizeValue()
 248 {
 249     const int value = GetValue();
 250     const bool changed = value != m_oldValue;
 251
 252     // notice that we have to call SetValue() even if the value didn't change
 253     // because otherwise we could be left with empty buddy control when value
 254     // is 0, see comment in SetValue()
 255     SetValue(value);
 256
 257     if ( changed )
 258     {
 259         SendSpinUpdate(value);
 260     }
 261 }
 262
 263 // ----------------------------------------------------------------------------
 264 // construction
 265 // ----------------------------------------------------------------------------
 266
 267 void wxSpinCtrl::Init()
 268 {
 269     m_blockEvent = false;
 270     m_hwndBuddy = NULL;
 271     m_wndProcBuddy = NULL;
 272     m_oldValue = INT_MIN;
 273 }
 274
 275 bool wxSpinCtrl::Create(wxWindow *parent,
 276                         wxWindowID id,
 277                         const wxString& value,
 278                         const wxPoint& pos,
 279                         const wxSize& size,
 280                         long style,
 281                         int min, int max, int initial,
 282                         const wxString& name)
 283 {
 284     // before using DoGetBestSize(), have to set style to let the base class
 285     // know whether this is a horizontal or vertical control (we're always
 286     // vertical)
 287     style |= wxSP_VERTICAL;
 288
 289     if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
 290 #ifdef __WXWINCE__
 291         style |= wxBORDER_SIMPLE;
 292 #else
 293         style |= wxBORDER_SUNKEN;
 294 #endif
 295
 296     SetWindowStyle(style);
 297
 298     WXDWORD exStyle = 0;
 299     WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ;
 300
 301     // propagate text alignment style to text ctrl
 302     if ( style & wxALIGN_RIGHT )
 303         msStyle |= ES_RIGHT;
 304     else if ( style & wxALIGN_CENTER )
 305         msStyle |= ES_CENTER;
 306
 307     // calculate the sizes: the size given is the total size for both controls
 308     // and we need to fit them both in the given width (height is the same)
 309     wxSize sizeText(size), sizeBtn(size);
 310     sizeBtn.x = wxSpinButton::DoGetBestSize().x;
 311     if ( sizeText.x <= 0 )
 312     {
 313         // DEFAULT_ITEM_WIDTH is the default width for the text control
 314         sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x;
 315     }
 316
 317     sizeText.x -= sizeBtn.x + MARGIN_BETWEEN;
 318     if ( sizeText.x <= 0 )
 319     {
 320         wxLogDebug(wxT("not enough space for wxSpinCtrl!"));
 321     }
 322
 323     wxPoint posBtn(pos);
 324     posBtn.x += sizeText.x + MARGIN_BETWEEN;
 325
 326     // we must create the text control before the spin button for the purpose
 327     // of the dialog navigation: if there is a static text just before the spin
 328     // control, activating it by Alt-letter should give focus to the text
 329     // control, not the spin and the dialog navigation code will give focus to
 330     // the next control (at Windows level), not the one after it
 331
 332     // create the text window
 333
 334     m_hwndBuddy = (WXHWND)::CreateWindowEx
 335                     (
 336                      exStyle,                // sunken border
 337                      wxT("EDIT"),             // window class
 338                      NULL,                   // no window title
 339                      msStyle,                // style (will be shown later)
 340                      pos.x, pos.y,           // position
 341                      0, 0,                   // size (will be set later)
 342                      GetHwndOf(parent),      // parent
 343                      (HMENU)-1,              // control id
 344                      wxGetInstance(),        // app instance
 345                      NULL                    // unused client data
 346                     );
 347
 348     if ( !m_hwndBuddy )
 349     {
 350         wxLogLastError(wxT("CreateWindow(buddy text window)"));
 351
 352         return false;
 353     }
 354
 355
 356     // create the spin button
 357     if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) )
 358     {
 359         return false;
 360     }
 361
 362     wxSpinButtonBase::SetRange(min, max);
 363
 364     // subclass the text ctrl to be able to intercept some events
 365     gs_spinForTextCtrl[GetBuddyHwnd()] = this;
 366
 367     m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(),
 368                                                 wxBuddyTextWndProc);
 369
 370     // set up fonts and colours  (This is nomally done in MSWCreateControl)
 371     InheritAttributes();
 372     if (!m_hasFont)
 373         SetFont(GetDefaultAttributes().font);
 374
 375     // set the size of the text window - can do it only now, because we
 376     // couldn't call DoGetBestSize() before as font wasn't set
 377     if ( sizeText.y <= 0 )
 378     {
 379         int cx, cy;
 380         wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
 381
 382         sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 383     }
 384
 385     SetInitialSize(size);
 386
 387     (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW);
 388
 389     // associate the text window with the spin button
 390     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0);
 391
 392     SetValue(initial);
 393
 394     // Set the range in the native control
 395     SetRange(min, max);
 396
 397     if ( !value.empty() )
 398     {
 399         SetValue(value);
 400         m_oldValue = (int) wxAtol(value);
 401     }
 402     else
 403     {
 404         SetValue(wxString::Format(wxT("%d"), initial));
 405         m_oldValue = initial;
 406     }
 407
 408     return true;
 409 }
 410
 411 wxSpinCtrl::~wxSpinCtrl()
 412 {
 413     // destroy the buddy window because this pointer which wxBuddyTextWndProc
 414     // uses will not soon be valid any more
 415     ::DestroyWindow( GetBuddyHwnd() );
 416
 417     gs_spinForTextCtrl.erase(GetBuddyHwnd());
 418 }
 419
 420 // ----------------------------------------------------------------------------
 421 // wxTextCtrl-like methods
 422 // ----------------------------------------------------------------------------
 423
 424 void wxSpinCtrl::SetValue(const wxString& text)
 425 {
 426     if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) )
 427     {
 428         wxLogLastError(wxT("SetWindowText(buddy)"));
 429     }
 430 }
 431
 432 void  wxSpinCtrl::SetValue(int val)
 433 {
 434     m_blockEvent = true;
 435
 436     wxSpinButton::SetValue(val);
 437
 438     // normally setting the value of the spin button is enough as it updates
 439     // its buddy control automatically ...
 440     if ( wxGetWindowText(m_hwndBuddy).empty() )
 441     {
 442         // ... but sometimes it doesn't, notably when the value is 0 and the
 443         // text control is currently empty, the spin button seems to be happy
 444         // to leave it like this, while we really want to always show the
 445         // current value in the control, so do it manually
 446         ::SetWindowText(GetBuddyHwnd(),
 447                         wxString::Format(wxT("%d"), val).wx_str());
 448     }
 449
 450     m_oldValue = GetValue();
 451
 452     m_blockEvent = false;
 453 }
 454
 455 int wxSpinCtrl::GetValue() const
 456 {
 457     wxString val = wxGetWindowText(m_hwndBuddy);
 458
 459     long n;
 460     if ( (wxSscanf(val, wxT("%ld"), &n) != 1) )
 461         n = INT_MIN;
 462
 463     if ( n < m_min )
 464         n = m_min;
 465     if ( n > m_max )
 466         n = m_max;
 467
 468     return n;
 469 }
 470
 471 void wxSpinCtrl::SetSelection(long from, long to)
 472 {
 473     // if from and to are both -1, it means (in wxWidgets) that all text should
 474     // be selected - translate into Windows convention
 475     if ( (from == -1) && (to == -1) )
 476     {
 477         from = 0;
 478     }
 479
 480     ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to);
 481 }
 482
 483 // ----------------------------------------------------------------------------
 484 // wxSpinButton methods
 485 // ----------------------------------------------------------------------------
 486
 487 void wxSpinCtrl::SetRange(int minVal, int maxVal)
 488 {
 489     wxSpinButton::SetRange(minVal, maxVal);
 490
 491     // this control is used for numeric entry so restrict the input to numeric
 492     // keys only -- but only if we don't need to be able to enter "-" in it as
 493     // otherwise this would become impossible
 494     const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE);
 495     DWORD styleNew;
 496     if ( minVal < 0 )
 497         styleNew = styleOld & ~ES_NUMBER;
 498     else
 499         styleNew = styleOld | ES_NUMBER;
 500
 501     if ( styleNew != styleOld )
 502         ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew);
 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::Reparent(wxWindowBase *newParent)
 536 {
 537     // Reparenting both the updown control and its buddy does not seem to work:
 538     // they continue to be connected somehow, but visually there is no feedback
 539     // on the buddy edit control. To avoid this problem, we reparent the buddy
 540     // window normally, but we recreate the updown control and reassign its
 541     // buddy.
 542
 543     // Get the position before changing the parent as it would be offset after
 544     // changing it.
 545     const wxRect rect = GetRect();
 546
 547     if ( !wxWindowBase::Reparent(newParent) )
 548         return false;
 549
 550     newParent->GetChildren().DeleteObject(this);
 551
 552     // destroy the old spin button after detaching it from this wxWindow object
 553     // (notice that m_hWnd will be reset by UnsubclassWin() so save it first)
 554     const HWND hwndOld = GetHwnd();
 555     UnsubclassWin();
 556     if ( !::DestroyWindow(hwndOld) )
 557     {
 558         wxLogLastError(wxT("DestroyWindow"));
 559     }
 560
 561     // create and initialize the new one
 562     if ( !wxSpinButton::Create(GetParent(), GetId(),
 563                                rect.GetPosition(), rect.GetSize(),
 564                                GetWindowStyle(), GetName()) )
 565         return false;
 566
 567     // reapply our values to wxSpinButton
 568     wxSpinButton::SetValue(GetValue());
 569     SetRange(m_min, m_max);
 570
 571     // also set the size again with wxSIZE_ALLOW_MINUS_ONE flag: this is
 572     // necessary if our original position used -1 for either x or y
 573     SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 574
 575     // associate it with the buddy control again
 576     ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent()));
 577     (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0);
 578
 579     return true;
 580 }
 581
 582 bool wxSpinCtrl::Enable(bool enable)
 583 {
 584     if ( !wxControl::Enable(enable) )
 585     {
 586         return false;
 587     }
 588
 589     MSWEnableHWND(GetBuddyHwnd(), enable);
 590
 591     return true;
 592 }
 593
 594 void wxSpinCtrl::SetFocus()
 595 {
 596     ::SetFocus(GetBuddyHwnd());
 597 }
 598
 599 #if wxUSE_TOOLTIPS
 600
 601 void wxSpinCtrl::DoSetToolTip(wxToolTip *tip)
 602 {
 603     wxSpinButton::DoSetToolTip(tip);
 604
 605     if ( tip )
 606         tip->Add(m_hwndBuddy);
 607 }
 608
 609 #endif // wxUSE_TOOLTIPS
 610
 611 // ----------------------------------------------------------------------------
 612 // events processing and generation
 613 // ----------------------------------------------------------------------------
 614
 615 void wxSpinCtrl::SendSpinUpdate(int value)
 616 {
 617     wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
 618     event.SetEventObject(this);
 619     event.SetInt(value);
 620
 621     (void)HandleWindowEvent(event);
 622
 623     m_oldValue = value;
 624 }
 625
 626 bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
 627                                WXWORD pos, WXHWND control)
 628 {
 629     wxCHECK_MSG( control, false, wxT("scrolling what?") );
 630
 631     if ( wParam != SB_THUMBPOSITION )
 632     {
 633         // probable SB_ENDSCROLL - we don't react to it
 634         return false;
 635     }
 636
 637     int new_value = (short) pos;
 638     if (m_oldValue != new_value)
 639        SendSpinUpdate( new_value );
 640
 641     return TRUE;
 642 }
 643
 644 bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
 645 {
 646     NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam;
 647
 648     if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control
 649         return false;
 650
 651     *result = 0;  // never reject UP and DOWN events
 652
 653     return TRUE;
 654 }
 655
 656
 657 // ----------------------------------------------------------------------------
 658 // size calculations
 659 // ----------------------------------------------------------------------------
 660
 661 wxSize wxSpinCtrl::DoGetBestSize() const
 662 {
 663     wxSize sizeBtn = wxSpinButton::DoGetBestSize();
 664     sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN;
 665
 666     int y;
 667     wxGetCharSize(GetHWND(), NULL, &y, GetFont());
 668     y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y);
 669
 670     // JACS: we should always use the height calculated
 671     // from above, because otherwise we'll get a spin control
 672     // that's too big. So never use the height calculated
 673     // from wxSpinButton::DoGetBestSize().
 674
 675     // if ( sizeBtn.y < y )
 676     {
 677         // make the text tall enough
 678         sizeBtn.y = y;
 679     }
 680
 681     return sizeBtn;
 682 }
 683
 684 void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 685 {
 686     int widthBtn = wxSpinButton::DoGetBestSize().x;
 687     int widthText = width - widthBtn - MARGIN_BETWEEN;
 688     if ( widthText <= 0 )
 689     {
 690         wxLogDebug(wxT("not enough space for wxSpinCtrl!"));
 691     }
 692
 693     // 1) The buddy window
 694     DoMoveSibling(m_hwndBuddy, x, y, widthText, height);
 695
 696     // 2) The button window
 697     x += widthText + MARGIN_BETWEEN;
 698     wxSpinButton::DoMoveWindow(x, y, widthBtn, height);
 699 }
 700
 701 // get total size of the control
 702 void wxSpinCtrl::DoGetSize(int *x, int *y) const
 703 {
 704     RECT spinrect, textrect, ctrlrect;
 705     GetWindowRect(GetHwnd(), &spinrect);
 706     GetWindowRect(GetBuddyHwnd(), &textrect);
 707     UnionRect(&ctrlrect,&textrect, &spinrect);
 708
 709     if ( x )
 710         *x = ctrlrect.right - ctrlrect.left;
 711     if ( y )
 712         *y = ctrlrect.bottom - ctrlrect.top;
 713 }
 714
 715 void wxSpinCtrl::DoGetClientSize(int *x, int *y) const
 716 {
 717     RECT spinrect = wxGetClientRect(GetHwnd());
 718     RECT textrect = wxGetClientRect(GetBuddyHwnd());
 719     RECT ctrlrect;
 720     UnionRect(&ctrlrect,&textrect, &spinrect);
 721
 722     if ( x )
 723         *x = ctrlrect.right - ctrlrect.left;
 724     if ( y )
 725         *y = ctrlrect.bottom - ctrlrect.top;
 726 }
 727
 728 void wxSpinCtrl::DoGetPosition(int *x, int *y) const
 729 {
 730     // hack: pretend that our HWND is the text control just for a moment
 731     WXHWND hWnd = GetHWND();
 732     wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
 733
 734     wxSpinButton::DoGetPosition(x, y);
 735
 736     wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
 737 }
 738
 739 #endif // wxUSE_SPINCTRL