src/msw/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/radiobox.cpp
   3 // Purpose:     wxRadioBox implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "radiobox.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_RADIOBOX
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/bitmap.h"
  35     #include "wx/brush.h"
  36     #include "wx/radiobox.h"
  37     #include "wx/settings.h"
  38     #include "wx/log.h"
  39 #endif
  40
  41 #include "wx/msw/subwin.h"
  42
  43 #if wxUSE_TOOLTIPS
  44     #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
  45         #include <commctrl.h>
  46     #endif
  47     #include "wx/tooltip.h"
  48 #endif // wxUSE_TOOLTIPS
  49
  50 // TODO: wxCONSTRUCTOR
  51 #if 0 // wxUSE_EXTENDED_RTTI
  52 WX_DEFINE_FLAGS( wxRadioBoxStyle )
  53
  54 wxBEGIN_FLAGS( wxRadioBoxStyle )
  55     // new style border flags, we put them first to
  56     // use them for streaming out
  57     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  58     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  59     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  60     wxFLAGS_MEMBER(wxBORDER_RAISED)
  61     wxFLAGS_MEMBER(wxBORDER_STATIC)
  62     wxFLAGS_MEMBER(wxBORDER_NONE)
  63
  64     // old style border flags
  65     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  66     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  67     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  68     wxFLAGS_MEMBER(wxRAISED_BORDER)
  69     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  70     wxFLAGS_MEMBER(wxBORDER)
  71
  72     // standard window styles
  73     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  74     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  75     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  76     wxFLAGS_MEMBER(wxWANTS_CHARS)
  77     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  78     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  79     wxFLAGS_MEMBER(wxVSCROLL)
  80     wxFLAGS_MEMBER(wxHSCROLL)
  81
  82     wxFLAGS_MEMBER(wxRA_SPECIFY_COLS)
  83     wxFLAGS_MEMBER(wxRA_HORIZONTAL)
  84     wxFLAGS_MEMBER(wxRA_SPECIFY_ROWS)
  85     wxFLAGS_MEMBER(wxRA_VERTICAL)
  86
  87 wxEND_FLAGS( wxRadioBoxStyle )
  88
  89 IMPLEMENT_DYNAMIC_CLASS_XTI(wxRadioBox, wxControl,"wx/radiobox.h")
  90
  91 wxBEGIN_PROPERTIES_TABLE(wxRadioBox)
  92     wxEVENT_PROPERTY( Select , wxEVT_COMMAND_RADIOBOX_SELECTED , wxCommandEvent )
  93     wxPROPERTY_FLAGS( WindowStyle , wxRadioBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  94 wxEND_PROPERTIES_TABLE()
  95
  96 #else
  97 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  98 #endif
  99
 100 /*
 101     selection
 102     content
 103         label
 104         dimension
 105         item
 106 */
 107
 108 // ---------------------------------------------------------------------------
 109 // private functions
 110 // ---------------------------------------------------------------------------
 111
 112 // wnd proc for radio buttons
 113 LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hWnd,
 114                                            UINT message,
 115                                            WPARAM wParam,
 116                                            LPARAM lParam);
 117
 118 // ---------------------------------------------------------------------------
 119 // global vars
 120 // ---------------------------------------------------------------------------
 121
 122 // the pointer to standard radio button wnd proc
 123 static WXFARPROC s_wndprocRadioBtn = (WXFARPROC)NULL;
 124
 125 // ===========================================================================
 126 // implementation
 127 // ===========================================================================
 128
 129 // ---------------------------------------------------------------------------
 130 // wxRadioBox creation
 131 // ---------------------------------------------------------------------------
 132
 133 // Radio box item
 134 void wxRadioBox::Init()
 135 {
 136     m_selectedButton = wxNOT_FOUND;
 137     m_radioButtons = NULL;
 138     m_majorDim = 0;
 139     m_radioWidth = NULL;
 140     m_radioHeight = NULL;
 141 }
 142
 143 bool wxRadioBox::Create(wxWindow *parent,
 144                         wxWindowID id,
 145                         const wxString& title,
 146                         const wxPoint& pos,
 147                         const wxSize& size,
 148                         int n,
 149                         const wxString choices[],
 150                         int majorDim,
 151                         long style,
 152                         const wxValidator& val,
 153                         const wxString& name)
 154 {
 155     // initialize members
 156     m_majorDim = majorDim == 0 ? n : majorDim;
 157
 158     // common initialization
 159     if ( !wxStaticBox::Create(parent, id, title, pos, size, style, name) )
 160         return false;
 161
 162 #if wxUSE_VALIDATORS
 163     SetValidator(val);
 164 #else
 165     wxUnusedVar(val);
 166 #endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
 167
 168     // and now create the buttons
 169     HWND hwndParent = GetHwndOf(parent);
 170
 171     m_radioButtons = new wxSubwindows(n);
 172     m_radioWidth = new int[n];
 173     m_radioHeight = new int[n];
 174
 175     for ( int i = 0; i < n; i++ )
 176     {
 177         m_radioWidth[i] =
 178         m_radioHeight[i] = wxDefaultCoord;
 179         long styleBtn = BS_AUTORADIOBUTTON | WS_TABSTOP | WS_CHILD | WS_VISIBLE;
 180         if ( i == 0 && style == 0 )
 181             styleBtn |= WS_GROUP;
 182
 183         long newId = NewControlId();
 184
 185         HWND hwndBtn = ::CreateWindow(_T("BUTTON"),
 186                                       choices[i],
 187                                       styleBtn,
 188                                       0, 0, 0, 0,   // will be set in SetSize()
 189                                       hwndParent,
 190                                       (HMENU)newId,
 191                                       wxGetInstance(),
 192                                       NULL);
 193
 194         if ( !hwndBtn )
 195         {
 196             wxLogLastError(wxT("CreateWindow(radio btn)"));
 197
 198             return false;
 199         }
 200
 201         (*m_radioButtons)[i] = hwndBtn;
 202
 203         SubclassRadioButton((WXHWND)hwndBtn);
 204
 205         m_subControls.Add(newId);
 206     }
 207
 208     // Create a dummy radio control to end the group.
 209     (void)::CreateWindow(_T("BUTTON"),
 210                          wxEmptyString,
 211                          WS_GROUP | BS_AUTORADIOBUTTON | WS_CHILD,
 212                          0, 0, 0, 0, hwndParent,
 213                          (HMENU)NewControlId(), wxGetInstance(), NULL);
 214
 215     m_radioButtons->SetFont(GetFont());
 216
 217 #ifdef __WXWINCE__
 218     // Set the z-order correctly
 219     SetWindowPos(GetHwnd(), HWND_BOTTOM, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
 220 #endif
 221
 222     SetSelection(0);
 223     SetSize(pos.x, pos.y, size.x, size.y);
 224
 225     // Now that we have items determine what is the best size and set it.
 226     SetBestSize(size);
 227
 228     return true;
 229 }
 230
 231 bool wxRadioBox::Create(wxWindow *parent,
 232                         wxWindowID id,
 233                         const wxString& title,
 234                         const wxPoint& pos,
 235                         const wxSize& size,
 236                         const wxArrayString& choices,
 237                         int majorDim,
 238                         long style,
 239                         const wxValidator& val,
 240                         const wxString& name)
 241 {
 242     wxCArrayString chs(choices);
 243     return Create(parent, id, title, pos, size, chs.GetCount(),
 244                   chs.GetStrings(), majorDim, style, val, name);
 245 }
 246
 247 wxRadioBox::~wxRadioBox()
 248 {
 249     m_isBeingDeleted = true;
 250
 251     delete m_radioButtons;
 252     delete[] m_radioWidth;
 253     delete[] m_radioHeight;
 254 }
 255
 256 // NB: if this code is changed, wxGetWindowForHWND() which relies on having the
 257 //     radiobox pointer in GWL_USERDATA for radio buttons must be updated too!
 258 void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn)
 259 {
 260     HWND hwndBtn = (HWND)hWndBtn;
 261
 262     if ( !s_wndprocRadioBtn )
 263         s_wndprocRadioBtn = (WXFARPROC)wxGetWindowProc(hwndBtn);
 264
 265     wxSetWindowProc(hwndBtn, wxRadioBtnWndProc);
 266     wxSetWindowUserData(hwndBtn, this);
 267 }
 268
 269 // ----------------------------------------------------------------------------
 270 // events generation
 271 // ----------------------------------------------------------------------------
 272
 273 bool wxRadioBox::MSWCommand(WXUINT cmd, WXWORD id)
 274 {
 275     if ( cmd == BN_CLICKED )
 276     {
 277         if (id == GetId())
 278             return true;
 279
 280         int selectedButton = wxNOT_FOUND;
 281
 282         int count = GetCount();
 283         for ( int i = 0; i < count; i++ )
 284         {
 285             if ( id == wxGetWindowId((*m_radioButtons)[i]) )
 286             {
 287                 selectedButton = i;
 288
 289                 break;
 290             }
 291         }
 292
 293         if ( selectedButton == wxNOT_FOUND )
 294         {
 295             // just ignore it - due to a hack with WM_NCHITTEST handling in our
 296             // wnd proc, we can receive dummy click messages when we click near
 297             // the radiobox edge (this is ugly but Julian wouldn't let me get
 298             // rid of this...)
 299             return false;
 300         }
 301
 302         if ( selectedButton != m_selectedButton )
 303         {
 304             m_selectedButton = selectedButton;
 305
 306             SendNotificationEvent();
 307         }
 308         //else: don't generate events when the selection doesn't change
 309
 310         return true;
 311     }
 312     else
 313         return false;
 314 }
 315
 316 void wxRadioBox::Command(wxCommandEvent & event)
 317 {
 318     SetSelection (event.GetInt());
 319     SetFocus();
 320     ProcessCommand(event);
 321 }
 322
 323 void wxRadioBox::SendNotificationEvent()
 324 {
 325     wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
 326     event.SetInt( m_selectedButton );
 327     event.SetString( GetString(m_selectedButton) );
 328     event.SetEventObject( this );
 329     ProcessCommand(event);
 330 }
 331
 332 // ----------------------------------------------------------------------------
 333 // simple accessors
 334 // ----------------------------------------------------------------------------
 335
 336 int wxRadioBox::GetCount() const
 337 {
 338     return m_radioButtons->GetCount();
 339 }
 340
 341 // returns the number of rows
 342 int wxRadioBox::GetNumVer() const
 343 {
 344     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 345     {
 346         return m_majorDim;
 347     }
 348     else
 349     {
 350         return (GetCount() + m_majorDim - 1)/m_majorDim;
 351     }
 352 }
 353
 354 // returns the number of columns
 355 int wxRadioBox::GetNumHor() const
 356 {
 357     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 358     {
 359         return (GetCount() + m_majorDim - 1)/m_majorDim;
 360     }
 361     else
 362     {
 363         return m_majorDim;
 364     }
 365 }
 366
 367 void wxRadioBox::SetString(int item, const wxString& label)
 368 {
 369     wxCHECK_RET( item >= 0 && item < GetCount(), wxT("invalid radiobox index") );
 370
 371     m_radioWidth[item] =
 372     m_radioHeight[item] = wxDefaultCoord;
 373
 374     ::SetWindowText((*m_radioButtons)[item], label.c_str());
 375 }
 376
 377 void wxRadioBox::SetSelection(int N)
 378 {
 379     wxCHECK_RET( (N >= 0) && (N < GetCount()), wxT("invalid radiobox index") );
 380
 381     // unselect the old button
 382     if ( m_selectedButton != wxNOT_FOUND )
 383         ::SendMessage((*m_radioButtons)[m_selectedButton], BM_SETCHECK, 0, 0L);
 384
 385     // and select the new one
 386     ::SendMessage((*m_radioButtons)[N], BM_SETCHECK, 1, 0L);
 387
 388     m_selectedButton = N;
 389 }
 390
 391 // Find string for position
 392 wxString wxRadioBox::GetString(int item) const
 393 {
 394     wxCHECK_MSG( item >= 0 && item < GetCount(), wxEmptyString,
 395                  wxT("invalid radiobox index") );
 396
 397     return wxGetWindowText((*m_radioButtons)[item]);
 398 }
 399
 400 void wxRadioBox::SetFocus()
 401 {
 402     if ( GetCount() > 0 )
 403     {
 404         ::SetFocus((*m_radioButtons)[m_selectedButton == wxNOT_FOUND
 405                                         ? 0
 406                                         : m_selectedButton]);
 407     }
 408 }
 409
 410 // Enable a specific button
 411 bool wxRadioBox::Enable(int item, bool enable)
 412 {
 413     wxCHECK_MSG( item >= 0 && item < GetCount(), false,
 414                  wxT("invalid item in wxRadioBox::Enable()") );
 415
 416     ::EnableWindow((*m_radioButtons)[item], enable);
 417     return true;
 418 }
 419
 420 // Show a specific button
 421 void wxRadioBox::Show(int item, bool show)
 422 {
 423     wxCHECK_RET( item >= 0 && item < GetCount(),
 424                  wxT("invalid item in wxRadioBox::Show()") );
 425
 426     ::ShowWindow((*m_radioButtons)[item], show ? SW_SHOW : SW_HIDE);
 427 }
 428
 429 WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(wxRadioBox, wxStaticBox, m_radioButtons)
 430
 431 // ----------------------------------------------------------------------------
 432 // size calculations
 433 // ----------------------------------------------------------------------------
 434
 435 wxSize wxRadioBox::GetMaxButtonSize() const
 436 {
 437     // calculate the max button size
 438     int widthMax = 0,
 439         heightMax = 0;
 440     const int count = GetCount();
 441     for ( int i = 0 ; i < count; i++ )
 442     {
 443         int width, height;
 444         if ( m_radioWidth[i] < 0 )
 445         {
 446             GetTextExtent(wxGetWindowText((*m_radioButtons)[i]), &width, &height);
 447
 448             // adjust the size to take into account the radio box itself
 449             // FIXME this is totally bogus!
 450             width += RADIO_SIZE;
 451             height *= 3;
 452             height /= 2;
 453         }
 454         else
 455         {
 456             width = m_radioWidth[i];
 457             height = m_radioHeight[i];
 458         }
 459
 460         if ( widthMax < width )
 461             widthMax = width;
 462         if ( heightMax < height )
 463             heightMax = height;
 464     }
 465
 466     return wxSize(widthMax, heightMax);
 467 }
 468
 469 wxSize wxRadioBox::GetTotalButtonSize(const wxSize& sizeBtn) const
 470 {
 471     // the radiobox should be big enough for its buttons
 472     int cx1, cy1;
 473     wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont());
 474
 475     int extraHeight = cy1;
 476
 477     int height = GetNumVer() * sizeBtn.y + cy1/2 + extraHeight;
 478     int width  = GetNumHor() * (sizeBtn.x + cx1) + cx1;
 479
 480     // Add extra space under the label, if it exists.
 481     if (!wxControl::GetLabel().empty())
 482         height += cy1/2;
 483
 484     // and also wide enough for its label
 485     int widthLabel;
 486     GetTextExtent(GetTitle(), &widthLabel, NULL);
 487     widthLabel += RADIO_SIZE; // FIXME this is bogus too
 488     if ( widthLabel > width )
 489         width = widthLabel;
 490
 491     return wxSize(width, height);
 492 }
 493
 494 wxSize wxRadioBox::DoGetBestSize() const
 495 {
 496     return GetTotalButtonSize(GetMaxButtonSize());
 497 }
 498
 499 // Restored old code.
 500 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 501 {
 502     int currentX, currentY;
 503     GetPosition(&currentX, &currentY);
 504     int widthOld, heightOld;
 505     GetSize(&widthOld, &heightOld);
 506
 507     int xx = x;
 508     int yy = y;
 509
 510     if (x == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 511         xx = currentX;
 512     if (y == wxDefaultCoord && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 513         yy = currentY;
 514
 515     int y_offset = yy;
 516     int x_offset = xx;
 517
 518     int cx1, cy1;
 519     wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont());
 520
 521     // Attempt to have a look coherent with other platforms: We compute the
 522     // biggest toggle dim, then we align all items according this value.
 523     wxSize maxSize = GetMaxButtonSize();
 524     int maxWidth = maxSize.x,
 525         maxHeight = maxSize.y;
 526
 527     wxSize totSize = GetTotalButtonSize(maxSize);
 528     int totWidth = totSize.x,
 529         totHeight = totSize.y;
 530
 531     // only change our width/height if asked for
 532     if ( width == wxDefaultCoord )
 533     {
 534         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 535             width = totWidth;
 536         else
 537             width = widthOld;
 538     }
 539
 540     if ( height == wxDefaultCoord )
 541     {
 542         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 543             height = totHeight;
 544         else
 545             height = heightOld;
 546     }
 547
 548     ::MoveWindow(GetHwnd(), xx, yy, width, height, TRUE);
 549
 550     // Now position all the buttons: the current button will be put at
 551     // wxPoint(x_offset, y_offset) and the new row/column will start at
 552     // startX/startY. The size of all buttons will be the same wxSize(maxWidth,
 553     // maxHeight) except for the buttons in the last column which should extend
 554     // to the right border of radiobox and thus can be wider than this.
 555
 556     // Also, remember that wxRA_SPECIFY_COLS means that we arrange buttons in
 557     // left to right order and m_majorDim is the number of columns while
 558     // wxRA_SPECIFY_ROWS means that the buttons are arranged top to bottom and
 559     // m_majorDim is the number of rows.
 560
 561     x_offset += cx1;
 562     y_offset += cy1;
 563
 564     // Add extra space under the label, if it exists.
 565     if (!wxControl::GetLabel().empty())
 566         y_offset += cy1/2;
 567
 568     int startX = x_offset;
 569     int startY = y_offset;
 570
 571     const int count = GetCount();
 572     for ( int i = 0; i < count; i++ )
 573     {
 574         // the last button in the row may be wider than the other ones as the
 575         // radiobox may be wider than the sum of the button widths (as it
 576         // happens, for example, when the radiobox label is very long)
 577         bool isLastInTheRow;
 578         if ( m_windowStyle & wxRA_SPECIFY_COLS )
 579         {
 580             // item is the last in its row if it is a multiple of the number of
 581             // columns or if it is just the last item
 582             int n = i + 1;
 583             isLastInTheRow = ((n % m_majorDim) == 0) || (n == count);
 584         }
 585         else // wxRA_SPECIFY_ROWS
 586         {
 587             // item is the last in the row if it is in the last columns
 588             isLastInTheRow = i >= (count/m_majorDim)*m_majorDim;
 589         }
 590
 591         // is this the start of new row/column?
 592         if ( i && (i % m_majorDim == 0) )
 593         {
 594             if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 595             {
 596                 // start of new column
 597                 y_offset = startY;
 598                 x_offset += maxWidth + cx1;
 599             }
 600             else // start of new row
 601             {
 602                 x_offset = startX;
 603                 y_offset += maxHeight;
 604                 if (m_radioWidth[0]>0)
 605                     y_offset += cy1/2;
 606             }
 607         }
 608
 609         int widthBtn;
 610         if ( isLastInTheRow )
 611         {
 612             // make the button go to the end of radio box
 613             widthBtn = startX + width - x_offset - 2*cx1;
 614             if ( widthBtn < maxWidth )
 615                 widthBtn = maxWidth;
 616         }
 617         else
 618         {
 619             // normal button, always of the same size
 620             widthBtn = maxWidth;
 621         }
 622
 623         // make all buttons of the same, maximal size - like this they cover
 624         // the radiobox entirely and the radiobox tooltips are always shown
 625         // (otherwise they are not when the mouse pointer is in the radiobox
 626         // part not belonging to any radiobutton)
 627         ::MoveWindow((*m_radioButtons)[i],
 628                      x_offset, y_offset, widthBtn, maxHeight,
 629                      TRUE);
 630
 631         // where do we put the next button?
 632         if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 633         {
 634             // below this one
 635             y_offset += maxHeight;
 636             if (m_radioWidth[0]>0)
 637                 y_offset += cy1/2;
 638         }
 639         else
 640         {
 641             // to the right of this one
 642             x_offset += widthBtn + cx1;
 643         }
 644     }
 645 }
 646
 647 // ---------------------------------------------------------------------------
 648 // window proc for radio buttons
 649 // ---------------------------------------------------------------------------
 650
 651 LRESULT APIENTRY _EXPORT wxRadioBtnWndProc(HWND hwnd,
 652                                            UINT message,
 653                                            WPARAM wParam,
 654                                            LPARAM lParam)
 655 {
 656     switch ( message )
 657     {
 658         case WM_GETDLGCODE:
 659             // we must tell IsDialogMessage()/our kbd processing code that we
 660             // want to process arrows ourselves because neither of them is
 661             // smart enough to handle arrows properly for us
 662             {
 663                 long lDlgCode = ::CallWindowProc(CASTWNDPROC s_wndprocRadioBtn, hwnd,
 664                                                  message, wParam, lParam);
 665
 666                 return lDlgCode | DLGC_WANTARROWS;
 667             }
 668
 669 #if wxUSE_TOOLTIPS
 670         case WM_NOTIFY:
 671             {
 672                 NMHDR* hdr = (NMHDR *)lParam;
 673                 if ( hdr->code == TTN_NEEDTEXT )
 674                 {
 675                     wxRadioBox *
 676                         radiobox = (wxRadioBox *)wxGetWindowUserData(hwnd);
 677
 678                     wxCHECK_MSG( radiobox, 0,
 679                                  wxT("radio button without radio box?") );
 680
 681                     wxToolTip *tooltip = radiobox->GetToolTip();
 682                     if ( tooltip )
 683                     {
 684                         TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
 685                         ttt->lpszText = (wxChar *)tooltip->GetTip().c_str();
 686                     }
 687
 688                     // processed
 689                     return 0;
 690                 }
 691             }
 692             break;
 693 #endif // wxUSE_TOOLTIPS
 694
 695         case WM_KEYDOWN:
 696             {
 697                 wxRadioBox *radiobox = (wxRadioBox *)wxGetWindowUserData(hwnd);
 698
 699                 wxCHECK_MSG( radiobox, 0, wxT("radio button without radio box?") );
 700
 701                 bool processed = true;
 702
 703                 wxDirection dir;
 704                 switch ( wParam )
 705                 {
 706                     case VK_UP:
 707                         dir = wxUP;
 708                         break;
 709
 710                     case VK_LEFT:
 711                         dir = wxLEFT;
 712                         break;
 713
 714                     case VK_DOWN:
 715                         dir = wxDOWN;
 716                         break;
 717
 718                     case VK_RIGHT:
 719                         dir = wxRIGHT;
 720                         break;
 721
 722                     default:
 723                         processed = false;
 724
 725                         // just to suppress the compiler warning
 726                         dir = wxALL;
 727                 }
 728
 729                 if ( processed )
 730                 {
 731                     int selOld = radiobox->GetSelection();
 732                     int selNew = radiobox->GetNextItem
 733                                  (
 734                                   selOld,
 735                                   dir,
 736                                   radiobox->GetWindowStyle()
 737                                  );
 738
 739                     if ( selNew != selOld )
 740                     {
 741                         radiobox->SetSelection(selNew);
 742                         radiobox->SetFocus();
 743
 744                         // emulate the button click
 745                         radiobox->SendNotificationEvent();
 746
 747                         return 0;
 748                     }
 749                 }
 750             }
 751             break;
 752
 753         case WM_SETFOCUS:
 754         case WM_KILLFOCUS:
 755             {
 756                 wxRadioBox *radiobox = (wxRadioBox *)wxGetWindowUserData(hwnd);
 757
 758                 wxCHECK_MSG( radiobox, 0, wxT("radio button without radio box?") );
 759
 760                 // if we don't do this, no focus events are generated for the
 761                 // radiobox and, besides, we need to notify the parent about
 762                 // the focus change, otherwise the focus handling logic in
 763                 // wxControlContainer doesn't work
 764                 if ( message == WM_SETFOCUS )
 765                     radiobox->HandleSetFocus((WXHWND)wParam);
 766                 else
 767                     radiobox->HandleKillFocus((WXHWND)wParam);
 768             }
 769             break;
 770
 771 #ifndef __WXWINCE__
 772         case WM_HELP:
 773             {
 774                 wxRadioBox *radiobox = (wxRadioBox *)wxGetWindowUserData(hwnd);
 775
 776                 wxCHECK_MSG( radiobox, 0, wxT("radio button without radio box?") );
 777
 778                 bool processed = false;
 779
 780                 wxEvtHandler * const handler = radiobox->GetEventHandler();
 781
 782                 HELPINFO* info = (HELPINFO*) lParam;
 783                 if ( info->iContextType == HELPINFO_WINDOW )
 784                 {
 785                     for ( wxWindow* subjectOfHelp = radiobox;
 786                           subjectOfHelp;
 787                           subjectOfHelp = subjectOfHelp->GetParent() )
 788                     {
 789                         wxHelpEvent helpEvent(wxEVT_HELP,
 790                                               subjectOfHelp->GetId(),
 791                                               wxPoint(info->MousePos.x,
 792                                                       info->MousePos.y));
 793                         helpEvent.SetEventObject(radiobox);
 794                         if ( handler->ProcessEvent(helpEvent) )
 795                         {
 796                             processed = true;
 797                             break;
 798                         }
 799                     }
 800                 }
 801                 else if (info->iContextType == HELPINFO_MENUITEM)
 802                 {
 803                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
 804                     helpEvent.SetEventObject(radiobox);
 805                     processed = handler->ProcessEvent(helpEvent);
 806                 }
 807
 808                 if ( processed )
 809                     return 0;
 810
 811                 break;
 812             }
 813 #endif // !__WXWINCE__
 814     }
 815
 816     return ::CallWindowProc(CASTWNDPROC s_wndprocRadioBtn, hwnd, message, wParam, lParam);
 817 }
 818
 819 #endif // wxUSE_RADIOBOX
 820