src/msw/choice.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choice.cpp
   3 // Purpose:     wxChoice
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin to derive from wxChoiceBase
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   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_CHOICE && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/choice.h"
  31     #include "wx/utils.h"
  32     #include "wx/log.h"
  33     #include "wx/brush.h"
  34     #include "wx/settings.h"
  35 #endif
  36
  37 #include "wx/msw/private.h"
  38
  39 #if wxUSE_EXTENDED_RTTI
  40 WX_DEFINE_FLAGS( wxChoiceStyle )
  41
  42 wxBEGIN_FLAGS( wxChoiceStyle )
  43     // new style border flags, we put them first to
  44     // use them for streaming out
  45     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  46     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  47     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  48     wxFLAGS_MEMBER(wxBORDER_RAISED)
  49     wxFLAGS_MEMBER(wxBORDER_STATIC)
  50     wxFLAGS_MEMBER(wxBORDER_NONE)
  51
  52     // old style border flags
  53     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  54     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  55     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  56     wxFLAGS_MEMBER(wxRAISED_BORDER)
  57     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  58     wxFLAGS_MEMBER(wxBORDER)
  59
  60     // standard window styles
  61     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  62     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  63     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  64     wxFLAGS_MEMBER(wxWANTS_CHARS)
  65     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  66     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  67     wxFLAGS_MEMBER(wxVSCROLL)
  68     wxFLAGS_MEMBER(wxHSCROLL)
  69
  70 wxEND_FLAGS( wxChoiceStyle )
  71
  72 IMPLEMENT_DYNAMIC_CLASS_XTI(wxChoice, wxControl,"wx/choice.h")
  73
  74 wxBEGIN_PROPERTIES_TABLE(wxChoice)
  75     wxEVENT_PROPERTY( Select , wxEVT_COMMAND_CHOICE_SELECTED , wxCommandEvent )
  76
  77     wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  78     wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  79     wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  80     wxPROPERTY_FLAGS( WindowStyle , wxChoiceStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  81 wxEND_PROPERTIES_TABLE()
  82
  83 wxBEGIN_HANDLERS_TABLE(wxChoice)
  84 wxEND_HANDLERS_TABLE()
  85
  86 wxCONSTRUCTOR_4( wxChoice , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
  87 #else
  88 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  89 #endif
  90 /*
  91     TODO PROPERTIES
  92         selection (long)
  93         content (list)
  94             item
  95 */
  96
  97 // ============================================================================
  98 // implementation
  99 // ============================================================================
 100
 101 // ----------------------------------------------------------------------------
 102 // creation
 103 // ----------------------------------------------------------------------------
 104
 105 bool wxChoice::Create(wxWindow *parent,
 106                       wxWindowID id,
 107                       const wxPoint& pos,
 108                       const wxSize& size,
 109                       int n, const wxString choices[],
 110                       long style,
 111                       const wxValidator& validator,
 112                       const wxString& name)
 113 {
 114     // Experience shows that wxChoice vs. wxComboBox distinction confuses
 115     // quite a few people - try to help them
 116     wxASSERT_MSG( !(style & wxCB_DROPDOWN) &&
 117                   !(style & wxCB_READONLY) &&
 118                   !(style & wxCB_SIMPLE),
 119                   _T("this style flag is ignored by wxChoice, you ")
 120                   _T("probably want to use a wxComboBox") );
 121
 122     return CreateAndInit(parent, id, pos, size, n, choices, style,
 123                          validator, name);
 124 }
 125
 126 bool wxChoice::CreateAndInit(wxWindow *parent,
 127                              wxWindowID id,
 128                              const wxPoint& pos,
 129                              const wxSize& size,
 130                              int n, const wxString choices[],
 131                              long style,
 132                              const wxValidator& validator,
 133                              const wxString& name)
 134 {
 135     // initialize wxControl
 136     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
 137         return false;
 138
 139     // now create the real HWND
 140     if ( !MSWCreateControl(wxT("COMBOBOX"), wxEmptyString, pos, size) )
 141         return false;
 142
 143
 144     // choice/combobox normally has "white" (depends on colour scheme, of
 145     // course) background rather than inheriting the parent's background
 146     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 147
 148     // initialize the controls contents
 149     for ( int i = 0; i < n; i++ )
 150     {
 151         Append(choices[i]);
 152     }
 153
 154     // and now we may finally size the control properly (if needed)
 155     SetBestSize(size);
 156
 157     return true;
 158 }
 159
 160 bool wxChoice::Create(wxWindow *parent,
 161                       wxWindowID id,
 162                       const wxPoint& pos,
 163                       const wxSize& size,
 164                       const wxArrayString& choices,
 165                       long style,
 166                       const wxValidator& validator,
 167                       const wxString& name)
 168 {
 169     wxCArrayString chs(choices);
 170     return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
 171                   style, validator, name);
 172 }
 173
 174 bool wxChoice::MSWShouldPreProcessMessage(WXMSG *pMsg)
 175 {
 176     MSG *msg = (MSG *) pMsg;
 177
 178     // if the dropdown list is visible, don't preprocess certain keys
 179     if ( msg->message == WM_KEYDOWN
 180         && (msg->wParam == VK_ESCAPE || msg->wParam == VK_RETURN) )
 181     {
 182         if (::SendMessage(GetHwndOf(this), CB_GETDROPPEDSTATE, 0, 0))
 183         {
 184             return false;
 185         }
 186     }
 187
 188     return wxControl::MSWShouldPreProcessMessage(pMsg);
 189 }
 190
 191 WXDWORD wxChoice::MSWGetStyle(long style, WXDWORD *exstyle) const
 192 {
 193     // we never have an external border
 194     WXDWORD msStyle = wxControl::MSWGetStyle
 195                       (
 196                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
 197                       );
 198
 199     // WS_CLIPSIBLINGS is useful with wxChoice and doesn't seem to result in
 200     // any problems
 201     msStyle |= WS_CLIPSIBLINGS;
 202
 203     // wxChoice-specific styles
 204     msStyle |= CBS_DROPDOWNLIST | WS_HSCROLL | WS_VSCROLL;
 205     if ( style & wxCB_SORT )
 206         msStyle |= CBS_SORT;
 207
 208     return msStyle;
 209 }
 210
 211 wxChoice::~wxChoice()
 212 {
 213     Free();
 214 }
 215
 216 // ----------------------------------------------------------------------------
 217 // adding/deleting items to/from the list
 218 // ----------------------------------------------------------------------------
 219
 220 int wxChoice::DoAppend(const wxString& item)
 221 {
 222     int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LPARAM)item.c_str());
 223     if ( n == CB_ERR )
 224     {
 225         wxLogLastError(wxT("SendMessage(CB_ADDSTRING)"));
 226     }
 227     else // ok
 228     {
 229         // we need to refresh our size in order to have enough space for the
 230         // newly added items
 231         if ( !IsFrozen() )
 232             UpdateVisibleHeight();
 233     }
 234
 235     InvalidateBestSize();
 236     return n;
 237 }
 238
 239 int wxChoice::DoInsert(const wxString& item, int pos)
 240 {
 241     wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
 242     wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
 243
 244     int n = (int)SendMessage(GetHwnd(), CB_INSERTSTRING, pos, (LPARAM)item.c_str());
 245     if ( n == CB_ERR )
 246     {
 247         wxLogLastError(wxT("SendMessage(CB_INSERTSTRING)"));
 248     }
 249     else // ok
 250     {
 251         if ( !IsFrozen() )
 252             UpdateVisibleHeight();
 253     }
 254
 255     InvalidateBestSize();
 256     return n;
 257 }
 258
 259 void wxChoice::Delete(int n)
 260 {
 261     wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
 262
 263     if ( HasClientObjectData() )
 264     {
 265         delete GetClientObject(n);
 266     }
 267
 268     SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
 269
 270     if ( !IsFrozen() )
 271         UpdateVisibleHeight();
 272
 273     InvalidateBestSize();
 274 }
 275
 276 void wxChoice::Clear()
 277 {
 278     Free();
 279
 280     SendMessage(GetHwnd(), CB_RESETCONTENT, 0, 0);
 281
 282     if ( !IsFrozen() )
 283         UpdateVisibleHeight();
 284
 285     InvalidateBestSize();
 286 }
 287
 288 void wxChoice::Free()
 289 {
 290     if ( HasClientObjectData() )
 291     {
 292         size_t count = GetCount();
 293         for ( size_t n = 0; n < count; n++ )
 294         {
 295             delete GetClientObject(n);
 296         }
 297     }
 298 }
 299
 300 // ----------------------------------------------------------------------------
 301 // selection
 302 // ----------------------------------------------------------------------------
 303
 304 int wxChoice::GetSelection() const
 305 {
 306     // if m_lastAcceptedSelection is set, it means that the dropdown is
 307     // currently shown and that we want to use the last "permanent" selection
 308     // instead of whatever is under the mouse pointer currently
 309     //
 310     // otherwise, get the selection from the control
 311     return m_lastAcceptedSelection == wxID_NONE ? GetCurrentSelection()
 312                                                 : m_lastAcceptedSelection;
 313 }
 314
 315 int wxChoice::GetCurrentSelection() const
 316 {
 317     return (int)SendMessage(GetHwnd(), CB_GETCURSEL, 0, 0);
 318 }
 319
 320 void wxChoice::SetSelection(int n)
 321 {
 322     SendMessage(GetHwnd(), CB_SETCURSEL, n, 0);
 323 }
 324
 325 // ----------------------------------------------------------------------------
 326 // string list functions
 327 // ----------------------------------------------------------------------------
 328
 329 int wxChoice::GetCount() const
 330 {
 331     return (int)SendMessage(GetHwnd(), CB_GETCOUNT, 0, 0);
 332 }
 333
 334 int wxChoice::FindString(const wxString& s) const
 335 {
 336 #if defined(__WATCOMC__) && defined(__WIN386__)
 337     // For some reason, Watcom in WIN386 mode crashes in the CB_FINDSTRINGEXACT message.
 338     // wxChoice::Do it the long way instead.
 339     int count = GetCount();
 340     for ( int i = 0; i < count; i++ )
 341     {
 342         // as CB_FINDSTRINGEXACT is case insensitive, be case insensitive too
 343         if ( GetString(i).IsSameAs(s, false) )
 344             return i;
 345     }
 346
 347     return wxNOT_FOUND;
 348 #else // !Watcom
 349    //TODO:  Evidently some MSW versions (all?) don't like empty strings
 350    //passed to SendMessage, so we have to do it ourselves in that case
 351    if ( s.empty() )
 352    {
 353      int count = GetCount();
 354      for ( int i = 0; i < count; i++ )
 355      {
 356        if ( GetString(i).empty() )
 357            return i;
 358      }
 359
 360      return wxNOT_FOUND;
 361    }
 362    else
 363    {
 364      int pos = (int)SendMessage(GetHwnd(), CB_FINDSTRINGEXACT,
 365                                 (WPARAM)-1, (LPARAM)s.c_str());
 366
 367      return pos == LB_ERR ? wxNOT_FOUND : pos;
 368    }
 369 #endif // Watcom/!Watcom
 370 }
 371
 372 void wxChoice::SetString(int n, const wxString& s)
 373 {
 374     wxCHECK_RET( n >= 0 && n < GetCount(),
 375                  wxT("invalid item index in wxChoice::SetString") );
 376
 377     // we have to delete and add back the string as there is no way to change a
 378     // string in place
 379
 380     // we need to preserve the client data
 381     void *data;
 382     if ( m_clientDataItemsType != wxClientData_None )
 383     {
 384         data = DoGetItemClientData(n);
 385     }
 386     else // no client data
 387     {
 388         data = NULL;
 389     }
 390
 391     ::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
 392     ::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.c_str() );
 393
 394     if ( data )
 395     {
 396         DoSetItemClientData(n, data);
 397     }
 398     //else: it's already NULL by default
 399
 400     InvalidateBestSize();
 401 }
 402
 403 wxString wxChoice::GetString(int n) const
 404 {
 405     int len = (int)::SendMessage(GetHwnd(), CB_GETLBTEXTLEN, n, 0);
 406
 407     wxString str;
 408     if ( len != CB_ERR && len > 0 )
 409     {
 410         if ( ::SendMessage
 411                (
 412                 GetHwnd(),
 413                 CB_GETLBTEXT,
 414                 n,
 415                 (LPARAM)(wxChar *)wxStringBuffer(str, len)
 416                ) == CB_ERR )
 417         {
 418             wxLogLastError(wxT("SendMessage(CB_GETLBTEXT)"));
 419         }
 420     }
 421
 422     return str;
 423 }
 424
 425 // ----------------------------------------------------------------------------
 426 // client data
 427 // ----------------------------------------------------------------------------
 428
 429 void wxChoice::DoSetItemClientData( int n, void* clientData )
 430 {
 431     if ( ::SendMessage(GetHwnd(), CB_SETITEMDATA,
 432                        n, (LPARAM)clientData) == CB_ERR )
 433     {
 434         wxLogLastError(wxT("CB_SETITEMDATA"));
 435     }
 436 }
 437
 438 void* wxChoice::DoGetItemClientData( int n ) const
 439 {
 440     LPARAM rc = SendMessage(GetHwnd(), CB_GETITEMDATA, n, 0);
 441     if ( rc == CB_ERR )
 442     {
 443         wxLogLastError(wxT("CB_GETITEMDATA"));
 444
 445         // unfortunately, there is no way to return an error code to the user
 446         rc = (LPARAM) NULL;
 447     }
 448
 449     return (void *)rc;
 450 }
 451
 452 void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 453 {
 454     DoSetItemClientData(n, clientData);
 455 }
 456
 457 wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 458 {
 459     return (wxClientData *)DoGetItemClientData(n);
 460 }
 461
 462 // ----------------------------------------------------------------------------
 463 // wxMSW specific helpers
 464 // ----------------------------------------------------------------------------
 465
 466 void wxChoice::UpdateVisibleHeight()
 467 {
 468     // be careful to not change the width here
 469     DoSetSize(wxDefaultCoord, wxDefaultCoord, wxDefaultCoord, GetSize().y, wxSIZE_USE_EXISTING);
 470 }
 471
 472 void wxChoice::DoMoveWindow(int x, int y, int width, int height)
 473 {
 474     // here is why this is necessary: if the width is negative, the combobox
 475     // window proc makes the window of the size width*height instead of
 476     // interpreting height in the usual manner (meaning the height of the drop
 477     // down list - usually the height specified in the call to MoveWindow()
 478     // will not change the height of combo box per se)
 479     //
 480     // this behaviour is not documented anywhere, but this is just how it is
 481     // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without
 482     // the check, constraints/sizers using combos may break the height
 483     // constraint will have not at all the same value as expected
 484     if ( width < 0 )
 485         return;
 486
 487     wxControl::DoMoveWindow(x, y, width, height);
 488 }
 489
 490 void wxChoice::DoGetSize(int *w, int *h) const
 491 {
 492     // this is weird: sometimes, the height returned by Windows is clearly the
 493     // total height of the control including the drop down list -- but only
 494     // sometimes, and normally it isn't... I have no idea about what to do with
 495     // this
 496     wxControl::DoGetSize(w, h);
 497 }
 498
 499 void wxChoice::DoSetSize(int x, int y,
 500                          int width, int height,
 501                          int sizeFlags)
 502 {
 503     int heightOrig = height;
 504
 505     // the height which we must pass to Windows should be the total height of
 506     // the control including the drop down list while the height given to us
 507     // is, of course, just the height of the permanently visible part of it
 508     if ( height != wxDefaultCoord )
 509     {
 510         // don't make the drop down list too tall, arbitrarily limit it to 40
 511         // items max and also don't leave it empty
 512         size_t nItems = GetCount();
 513         if ( !nItems )
 514             nItems = 9;
 515         else if ( nItems > 24 )
 516             nItems = 24;
 517
 518         // add space for the drop down list
 519         const int hItem = SendMessage(GetHwnd(), CB_GETITEMHEIGHT, 0, 0);
 520         height += hItem*(nItems + 1);
 521     }
 522     else
 523     {
 524         // We cannot pass wxDefaultCoord as height to wxControl. wxControl uses
 525         // wxGetWindowRect() to determine the current height of the combobox,
 526         // and then again sets the combobox's height to that value. Unfortunately,
 527         // wxGetWindowRect doesn't include the dropdown list's height (at least
 528         // on Win2K), so this would result in a combobox with dropdown height of
 529         // 1 pixel. We have to determine the default height ourselves and call
 530         // wxControl with that value instead.
 531         int w, h;
 532         RECT r;
 533         DoGetSize(&w, &h);
 534         if (::SendMessage(GetHwnd(), CB_GETDROPPEDCONTROLRECT, 0, (LPARAM) &r) != 0)
 535         {
 536             height = h + r.bottom - r.top;
 537         }
 538     }
 539
 540     wxControl::DoSetSize(x, y, width, height, sizeFlags);
 541
 542     // I'm commenting this out since the code appears to make choices
 543     // and comboxes too high when they have associated sizers. I'm sure this
 544     // is not the end of the story, which is why I'm leaving it #if'ed out for
 545     // now. JACS.
 546 #if 0
 547     // if the height specified for the visible part of the control is
 548     // different from the current one, we need to change it separately
 549     // as it is not affected by normal WM_SETSIZE
 550     if ( height != wxDefaultCoord )
 551     {
 552         const int delta = heightOrig - GetSize().y;
 553         if ( delta )
 554         {
 555             int h = ::SendMessage(GetHwnd(), CB_GETITEMHEIGHT, (WPARAM)-1, 0);
 556             SendMessage(GetHwnd(), CB_SETITEMHEIGHT, (WPARAM)-1, h + delta);
 557         }
 558     }
 559 #else
 560     wxUnusedVar(heightOrig);
 561 #endif
 562 }
 563
 564 wxSize wxChoice::DoGetBestSize() const
 565 {
 566     // find the widest string
 567     int wChoice = 0;
 568     const size_t nItems = GetCount();
 569     for ( size_t i = 0; i < nItems; i++ )
 570     {
 571         int wLine;
 572         GetTextExtent(GetString(i), &wLine, NULL);
 573         if ( wLine > wChoice )
 574             wChoice = wLine;
 575     }
 576
 577     // give it some reasonable default value if there are no strings in the
 578     // list
 579     if ( wChoice == 0 )
 580         wChoice = 100;
 581
 582     // the combobox should be slightly larger than the widest string
 583     wChoice += 5*GetCharWidth();
 584
 585     wxSize best(wChoice, EDIT_HEIGHT_FROM_CHAR_HEIGHT(GetCharHeight()));
 586     CacheBestSize(best);
 587     return best;
 588 }
 589
 590 WXLRESULT wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 591 {
 592     switch ( nMsg )
 593     {
 594         case WM_LBUTTONUP:
 595             {
 596                 int x = (int)LOWORD(lParam);
 597                 int y = (int)HIWORD(lParam);
 598
 599                 // Ok, this is truly weird, but if a panel with a wxChoice
 600                 // loses the focus, then you get a *fake* WM_LBUTTONUP message
 601                 // with x = 65535 and y = 65535. Filter out this nonsense.
 602                 //
 603                 // VZ: I'd like to know how to reproduce this please...
 604                 if ( x == 65535 && y == 65535 )
 605                     return 0;
 606             }
 607             break;
 608
 609             // we have to handle both: one for the normal case and the other
 610             // for readonly
 611         case WM_CTLCOLOREDIT:
 612         case WM_CTLCOLORLISTBOX:
 613         case WM_CTLCOLORSTATIC:
 614             {
 615                 WXHDC hdc;
 616                 WXHWND hwnd;
 617                 UnpackCtlColor(wParam, lParam, &hdc, &hwnd);
 618
 619                 WXHBRUSH hbr = MSWControlColor((WXHDC)hdc, hwnd);
 620                 if ( hbr )
 621                     return (WXLRESULT)hbr;
 622                 //else: fall through to default window proc
 623             }
 624     }
 625
 626     return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 627 }
 628
 629 bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 630 {
 631     switch ( param )
 632     {
 633         case CBN_DROPDOWN:
 634             // we don't want to track selection using CB_GETCURSEL while the
 635             // dropdown is opened
 636             m_lastAcceptedSelection = GetCurrentSelection();
 637             break;
 638
 639         case CBN_CLOSEUP:
 640             // it should be safe to use CB_GETCURSEL again
 641             m_lastAcceptedSelection = wxID_NONE;
 642             break;
 643
 644         case CBN_SELCHANGE:
 645             {
 646                 const int n = GetSelection();
 647
 648                 wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId);
 649                 event.SetInt(n);
 650                 event.SetEventObject(this);
 651
 652                 if ( n > -1 )
 653                 {
 654                     event.SetString(GetStringSelection());
 655                     if ( HasClientObjectData() )
 656                         event.SetClientObject( GetClientObject(n) );
 657                     else if ( HasClientUntypedData() )
 658                         event.SetClientData( GetClientData(n) );
 659                 }
 660
 661                 ProcessCommand(event);
 662             }
 663             return true;
 664     }
 665
 666     return false;
 667 }
 668
 669 WXHBRUSH wxChoice::MSWControlColor(WXHDC hDC, WXHWND hWnd)
 670 {
 671     if ( !IsEnabled() )
 672         return MSWControlColorDisabled(hDC);
 673
 674     return wxChoiceBase::MSWControlColor(hDC, hWnd);
 675 }
 676
 677 #endif // wxUSE_CHOICE && !(__SMARTPHONE__ && __WXWINCE__)
 678