src/msw/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobox.cpp
   3 // Purpose:     wxRadioBox
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "radiobox.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include <stdio.h>
  25 #include "wx/setup.h"
  26 #include "wx/radiobox.h"
  27 #endif
  28
  29 #include "wx/msw/private.h"
  30
  31 #if !USE_SHARED_LIBRARY
  32 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  33 #endif
  34
  35 bool wxRadioBox::MSWCommand(WXUINT param, WXWORD id)
  36 {
  37   if (param == BN_CLICKED)
  38   {
  39 #ifdef __WIN32__
  40     int i;
  41     for (i = 0; i < m_noItems; i++)
  42       if (id == GetWindowLong((HWND) m_radioButtons[i], GWL_ID))
  43         m_selectedButton = i;
  44 #else
  45     int i;
  46     for (i = 0; i < m_noItems; i++)
  47       if (id == GetWindowWord((HWND) m_radioButtons[i], GWW_ID))
  48         m_selectedButton = i;
  49 #endif
  50
  51     wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  52     event.SetInt( m_selectedButton );
  53     event.SetEventObject( this );
  54     ProcessCommand(event);
  55     return TRUE;
  56   }
  57   else return FALSE;
  58 }
  59
  60 #if WXWIN_COMPATIBILITY
  61 wxRadioBox::wxRadioBox(wxWindow *parent, wxFunction func, const char *title,
  62              int x, int y, int width, int height,
  63              int n, char **choices,
  64              int majorDim, long style, const char *name)
  65 {
  66     wxString *choices2 = new wxString[n];
  67     for ( int i = 0; i < n; i ++) choices2[i] = choices[i];
  68     Create(parent, -1, title, wxPoint(x, y), wxSize(width, height), n, choices2, majorDim, style,
  69         wxDefaultValidator, name);
  70     Callback(func);
  71     delete choices2;
  72 }
  73
  74 #endif
  75
  76 // Radio box item
  77 wxRadioBox::wxRadioBox(void)
  78 {
  79   m_selectedButton = -1;
  80   m_noItems = 0;
  81   m_noRowsOrCols = 0;
  82   m_radioButtons = NULL;
  83   m_majorDim = 0 ;
  84   m_radioWidth = NULL ;
  85   m_radioHeight = NULL ;
  86 }
  87
  88 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  89              const wxPoint& pos, const wxSize& size,
  90              int n, const wxString choices[],
  91              int majorDim, long style,
  92              const wxValidator& val, const wxString& name)
  93 {
  94   m_selectedButton = -1;
  95   m_noItems = n;
  96
  97   SetName(name);
  98   SetValidator(val);
  99
 100   parent->AddChild(this);
 101   m_backgroundColour = parent->GetDefaultBackgroundColour() ;
 102   m_foregroundColour = parent->GetDefaultForegroundColour() ;
 103
 104   m_windowStyle = (long&)style;
 105
 106   int x = pos.x;
 107   int y = pos.y;
 108   int width = size.x;
 109   int height = size.y;
 110
 111   if (id == -1)
 112     m_windowId = NewControlId();
 113   else
 114     m_windowId = id;
 115
 116   m_noRowsOrCols = majorDim;
 117   if (majorDim==0)
 118     m_majorDim = n ;
 119   else // Seemed to make sense to put this 'else' here...  (RD)
 120     m_majorDim = majorDim ;
 121
 122   long msStyle = GROUP_FLAGS;
 123
 124   bool want3D;
 125   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
 126   // Even with extended styles, need to combine with WS_BORDER
 127   // for them to look right.
 128   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
 129        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
 130     msStyle |= WS_BORDER;
 131
 132
 133   m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
 134                            msStyle,
 135                            0,0,0,0,
 136                            (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
 137
 138   HWND the_handle = (HWND) parent->GetHWND() ;
 139
 140 #if CTL3D
 141   if (want3D)
 142   {
 143     Ctl3dSubclassCtl((HWND) m_hWnd);
 144         m_useCtl3D = TRUE;
 145   }
 146 #endif
 147
 148   SetFont(* parent->GetFont());
 149
 150   // Subclass again for purposes of dialog editing mode
 151   SubclassWin((WXHWND)m_hWnd);
 152
 153 /* Label will be the same as button font now.
 154   if (labelFont)
 155   {
 156     labelFont->RealizeResource();
 157     if (labelFont->GetResourceHandle())
 158       SendMessage(ms_handle,WM_SETFONT,
 159                 (WPARAM)labelFont->GetResourceHandle(),0L);
 160   }
 161 */
 162
 163   // Some radio boxes test consecutive id.
 164   (void)NewControlId() ;
 165   m_radioButtons = new WXHWND[n];
 166   m_radioWidth = new int[n] ;
 167   m_radioHeight = new int[n] ;
 168   int i;
 169   for (i = 0; i < n; i++)
 170   {
 171     m_radioWidth[i] = m_radioHeight[i] = -1 ;
 172     long groupStyle = 0;
 173     if (i == 0 && style==0)
 174       groupStyle = WS_GROUP;
 175     long newId = NewControlId();
 176     long msStyle = groupStyle | RADIO_FLAGS;
 177
 178     m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, choices[i],
 179                           msStyle,0,0,0,0,
 180                           the_handle, (HMENU)newId, wxGetInstance(), NULL);
 181 #if CTL3D
 182   if (want3D)
 183   {
 184     Ctl3dSubclassCtl((HWND) m_hWnd);
 185         m_useCtl3D = TRUE;
 186   }
 187 #endif
 188     if (GetFont())
 189     {
 190        SendMessage((HWND)m_radioButtons[i],WM_SETFONT,
 191                     (WPARAM)GetFont()->GetResourceHandle(),0L);
 192     }
 193     m_subControls.Append((wxObject *)newId);
 194   }
 195
 196   // Create a dummy radio control to end the group.
 197   (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
 198
 199   SetSelection(0);
 200
 201   SetSize(x, y, width, height);
 202
 203   return TRUE;
 204 }
 205
 206 #if 0
 207 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
 208              const wxPoint& pos, const wxSize& size,
 209              int n, const wxBitmap *choices[],
 210              int majorDim, long style,
 211              const wxValidator& val, const wxString& name)
 212 {
 213   m_selectedButton = -1;
 214   m_noRowsOrCols = 0;
 215   m_noItems = n;
 216
 217   SetName(name);
 218   SetValidator(val);
 219
 220   parent->AddChild(this);
 221   m_backgroundColour = parent->GetDefaultBackgroundColour() ;
 222   m_foregroundColour = parent->GetDefaultForegroundColour() ;
 223
 224   m_windowStyle = (long&)style;
 225
 226   int x = pos.x;
 227   int y = pos.y;
 228   int width = size.x;
 229   int height = size.y;
 230
 231   if (id == -1)
 232     m_windowId = NewControlId();
 233   else
 234     m_windowId = id;
 235
 236
 237   m_noRowsOrCols = majorDim;
 238   if (majorDim==0)
 239     m_majorDim = n ;
 240   m_majorDim = majorDim ;
 241   HWND the_handle ;
 242
 243   long msStyle = GROUP_FLAGS;
 244
 245   bool want3D;
 246   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
 247   // Even with extended styles, need to combine with WS_BORDER
 248   // for them to look right.
 249   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
 250        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
 251     msStyle |= WS_BORDER;
 252
 253   m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
 254                            msStyle,
 255                            0,0,0,0,
 256                            (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
 257
 258 /*
 259   if (labelFont)
 260   {
 261     labelFont->RealizeResource();
 262     if (labelFont->GetResourceHandle())
 263       SendMessage(ms_handle,WM_SETFONT,
 264                 (WPARAM)labelFont->GetResourceHandle(),0L);
 265   }
 266 */
 267   the_handle = (HWND) parent->GetHWND();
 268
 269 #if CTL3D
 270   if (want3D)
 271   {
 272     Ctl3dSubclassCtl((HWND) m_hWnd);
 273         m_useCtl3D = TRUE;
 274   }
 275 #endif
 276
 277   SetFont(* parent->GetFont());
 278
 279   // Subclass again for purposes of dialog editing mode
 280   SubclassWin((WXHWND)m_hWnd);
 281
 282   (void)NewControlId() ;
 283   m_radioButtons = new WXHWND[n];
 284   m_radioWidth = new int[n] ;
 285   m_radioHeight = new int[n] ;
 286
 287   int i;
 288   for (i = 0; i < n; i++)
 289   {
 290     long groupStyle = 0;
 291     if (i == 0 && style==0)
 292       groupStyle = WS_GROUP;
 293     long newId = NewControlId();
 294     m_radioWidth[i]  = ((wxBitmap *)choices[i])->GetWidth();
 295     m_radioHeight[i] = ((wxBitmap *)choices[i])->GetHeight();
 296     char tmp[32] ;
 297     sprintf(tmp,"Toggle%d",i) ;
 298     long msStyle = groupStyle | RADIO_FLAGS;
 299     m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, tmp,
 300                           msStyle,0,0,0,0,
 301                           the_handle, (HMENU)newId, wxhInstance, NULL);
 302 #if CTL3D
 303   if (want3D)
 304   {
 305     Ctl3dSubclassCtl((HWND) m_hWnd);
 306         m_useCtl3D = TRUE;
 307   }
 308 #endif
 309     m_subControls.Append((wxObject *)newId);
 310   }
 311   // Create a dummy radio control to end the group.
 312   (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
 313
 314   SetSelection(0);
 315
 316   SetSize(x, y, width, height);
 317
 318   return TRUE;
 319 }
 320 #endif
 321
 322 wxRadioBox::~wxRadioBox(void)
 323 {
 324   m_isBeingDeleted = TRUE;
 325
 326   if (m_radioButtons)
 327   {
 328     int i;
 329     for (i = 0; i < m_noItems; i++)
 330       DestroyWindow((HWND) m_radioButtons[i]);
 331     delete[] m_radioButtons;
 332   }
 333   if (m_radioWidth)
 334     delete[] m_radioWidth ;
 335   if (m_radioHeight)
 336     delete[] m_radioHeight ;
 337   if (m_hWnd)
 338     ::DestroyWindow((HWND) m_hWnd) ;
 339   m_hWnd = 0 ;
 340
 341 }
 342
 343 wxString wxRadioBox::GetLabel(int item) const
 344 {
 345   GetWindowText((HWND)m_radioButtons[item], wxBuffer, 300);
 346   return wxString(wxBuffer);
 347 }
 348
 349 void wxRadioBox::SetLabel(int item, const wxString& label)
 350 {
 351   m_radioWidth[item] = m_radioHeight[item] = -1 ;
 352   SetWindowText((HWND)m_radioButtons[item], (const char *)label);
 353 }
 354
 355 void wxRadioBox::SetLabel(int item, wxBitmap *bitmap)
 356 {
 357 /*
 358     m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN ;
 359     m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN ;
 360 */
 361 }
 362
 363 int wxRadioBox::FindString(const wxString& s) const
 364 {
 365  int i;
 366  for (i = 0; i < m_noItems; i++)
 367  {
 368   GetWindowText((HWND) m_radioButtons[i], wxBuffer, 1000);
 369   if (s == wxBuffer)
 370     return i;
 371  }
 372  return -1;
 373 }
 374
 375 void wxRadioBox::SetSelection(int N)
 376 {
 377   if ((N < 0) || (N >= m_noItems))
 378     return;
 379
 380 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 381   if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
 382     SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);
 383
 384   SendMessage((HWND) m_radioButtons[N], BM_SETCHECK, 1, 0L);
 385   m_selectedButton = N;
 386 }
 387
 388 // Get single selection, for single choice list items
 389 int wxRadioBox::GetSelection(void) const
 390 {
 391   return m_selectedButton;
 392 }
 393
 394 // Find string for position
 395 wxString wxRadioBox::GetString(int N) const
 396 {
 397   GetWindowText((HWND) m_radioButtons[N], wxBuffer, 1000);
 398   return wxString(wxBuffer);
 399 }
 400
 401 void wxRadioBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 402 {
 403   int currentX, currentY;
 404   GetPosition(&currentX, &currentY);
 405   int xx = x;
 406   int yy = y;
 407
 408   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 409     xx = currentX;
 410   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 411     yy = currentY;
 412
 413   char buf[400];
 414
 415   int y_offset = yy;
 416   int x_offset = xx;
 417   int current_width, cyf;
 418
 419   int cx1,cy1 ;
 420   wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont());
 421   // Attempt to have a look coherent with other platforms:
 422   // We compute the biggest toggle dim, then we align all
 423   // items according this value.
 424   int maxWidth =  -1;
 425   int maxHeight = -1 ;
 426
 427   int i;
 428   for (i = 0 ; i < m_noItems; i++)
 429   {
 430     int eachWidth;
 431     int eachHeight ;
 432     if (m_radioWidth[i]<0)
 433     {
 434       // It's a labelled toggle
 435       GetWindowText((HWND) m_radioButtons[i], buf, 300);
 436       GetTextExtent(buf, &current_width, &cyf,NULL,NULL, GetFont());
 437       eachWidth = (int)(current_width + RADIO_SIZE);
 438       eachHeight = (int)((3*cyf)/2);
 439     }
 440     else
 441     {
 442       eachWidth = m_radioWidth[i] ;
 443       eachHeight = m_radioHeight[i] ;
 444     }
 445     if (maxWidth<eachWidth) maxWidth = eachWidth ;
 446     if (maxHeight<eachHeight) maxHeight = eachHeight ;
 447   }
 448
 449   if (m_hWnd)
 450   {
 451     int totWidth ;
 452     int totHeight;
 453
 454     int nbHor,nbVer;
 455
 456     if (m_windowStyle & wxRA_VERTICAL)
 457     {
 458       nbVer = m_majorDim ;
 459       nbHor = (m_noItems+m_majorDim-1)/m_majorDim ;
 460     }
 461     else
 462     {
 463       nbHor = m_majorDim ;
 464       nbVer = (m_noItems+m_majorDim-1)/m_majorDim ;
 465     }
 466
 467     // this formula works, but I don't know why.
 468     // Please, be sure what you do if you modify it!!
 469     if (m_radioWidth[0]<0)
 470       totHeight = (nbVer * maxHeight) + cy1/2 ;
 471     else
 472       totHeight = nbVer * (maxHeight+cy1/2) ;
 473     totWidth  = nbHor * (maxWidth+cx1) ;
 474
 475 #if (!CTL3D)
 476     // Requires a bigger group box in plain Windows
 477     MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+(3*cy1)/2,TRUE) ;
 478 #else
 479     MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+cy1,TRUE) ;
 480 #endif
 481     x_offset += cx1;
 482     y_offset += cy1;
 483   }
 484
 485 #if (!CTL3D)
 486   y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
 487                             // JACS 2/12/93. CTL3D draws group label quite high.
 488 #endif
 489   int startX = x_offset ;
 490   int startY = y_offset ;
 491
 492   for ( i = 0 ; i < m_noItems; i++)
 493   {
 494     // Bidimensional radio adjustment
 495     if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
 496     {
 497       if (m_windowStyle & wxRA_VERTICAL)
 498       {
 499         y_offset = startY;
 500         x_offset += maxWidth + cx1 ;
 501       }
 502       else
 503       {
 504         x_offset = startX ;
 505         y_offset += maxHeight ;
 506         if (m_radioWidth[0]>0)
 507           y_offset += cy1/2 ;
 508       }
 509     }
 510     int eachWidth ;
 511     int eachHeight ;
 512     if (m_radioWidth[i]<0)
 513     {
 514       // It's a labeled item
 515       GetWindowText((HWND) m_radioButtons[i], buf, 300);
 516       GetTextExtent(buf, &current_width, &cyf,NULL,NULL,GetFont());
 517
 518       // How do we find out radio button bitmap size!!
 519       // By adjusting them carefully, manually :-)
 520       eachWidth = (int)(current_width + RADIO_SIZE);
 521       eachHeight = (int)((3*cyf)/2);
 522     }
 523     else
 524     {
 525       eachWidth = m_radioWidth[i] ;
 526       eachHeight = m_radioHeight[i] ;
 527     }
 528
 529     MoveWindow((HWND) m_radioButtons[i],x_offset,y_offset,eachWidth,eachHeight,TRUE);
 530     if (m_windowStyle & wxRA_VERTICAL)
 531     {
 532       y_offset += maxHeight;
 533       if (m_radioWidth[0]>0)
 534         y_offset += cy1/2 ;
 535     }
 536     else
 537       x_offset += maxWidth + cx1;
 538   }
 539 }
 540
 541 void wxRadioBox::GetSize(int *width, int *height) const
 542 {
 543   RECT rect;
 544   rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
 545
 546   if (m_hWnd)
 547     wxFindMaxSize(m_hWnd, &rect);
 548
 549   int i;
 550   for (i = 0; i < m_noItems; i++)
 551     wxFindMaxSize(m_radioButtons[i], &rect);
 552
 553   *width = rect.right - rect.left;
 554   *height = rect.bottom - rect.top;
 555 }
 556
 557 void wxRadioBox::GetPosition(int *x, int *y) const
 558 {
 559   wxWindow *parent = GetParent();
 560   RECT rect;
 561   rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
 562
 563   int i;
 564   for (i = 0; i < m_noItems; i++)
 565     wxFindMaxSize(m_radioButtons[i], &rect);
 566
 567   if (m_hWnd)
 568     wxFindMaxSize(m_hWnd, &rect);
 569
 570   // Since we now have the absolute screen coords,
 571   // if there's a parent we must subtract its top left corner
 572   POINT point;
 573   point.x = rect.left;
 574   point.y = rect.top;
 575   if (parent)
 576   {
 577     ::ScreenToClient((HWND) parent->GetHWND(), &point);
 578   }
 579
 580   *x = point.x;
 581   *y = point.y;
 582 }
 583
 584 wxString wxRadioBox::GetLabel(void) const
 585 {
 586   if (m_hWnd)
 587   {
 588     GetWindowText((HWND) m_hWnd, wxBuffer, 300);
 589     return wxString(wxBuffer);
 590   }
 591   else return wxString("");
 592 }
 593
 594 void wxRadioBox::SetLabel(const wxString& label)
 595 {
 596   if (m_hWnd && label)
 597     SetWindowText((HWND) m_hWnd, label);
 598 }
 599
 600 void wxRadioBox::SetFocus(void)
 601 {
 602 /*
 603   if (m_noItems > 0)
 604    ::SetFocus((HWND) m_radioButtons[0]);
 605 */
 606 /* Begin Alberts Patch 26. 5. 1997*/
 607   if (m_noItems > 0)
 608   {
 609     if (m_selectedButton == -1)
 610       ::SetFocus((HWND) m_radioButtons[0]);
 611     else
 612       ::SetFocus((HWND) m_radioButtons[m_selectedButton]);
 613   }
 614 /* Ende Alberts Patch*/
 615
 616 }
 617
 618 bool wxRadioBox::Show(bool show)
 619 {
 620   int cshow;
 621   if (show)
 622     cshow = SW_SHOW;
 623   else
 624     cshow = SW_HIDE;
 625   if (m_hWnd)
 626     ShowWindow((HWND) m_hWnd, cshow);
 627   int i;
 628   for (i = 0; i < m_noItems; i++)
 629     ShowWindow((HWND) m_radioButtons[i], cshow);
 630   return TRUE;
 631 }
 632
 633 // Enable a specific button
 634 void wxRadioBox::Enable(int item, bool enable)
 635 {
 636   if (item<0)
 637     wxWindow::Enable(enable) ;
 638   else if (item < m_noItems)
 639     ::EnableWindow((HWND) m_radioButtons[item], enable);
 640 }
 641
 642 // Enable all controls
 643 void wxRadioBox::Enable(bool enable)
 644 {
 645   wxControl::Enable(enable);
 646
 647   int i;
 648   for (i = 0; i < m_noItems; i++)
 649     ::EnableWindow((HWND) m_radioButtons[i], enable);
 650 }
 651
 652 // Show a specific button
 653 void wxRadioBox::Show(int item, bool show)
 654 {
 655   if (item<0)
 656     wxRadioBox::Show(show) ;
 657   else if (item < m_noItems)
 658   {
 659     int cshow;
 660     if (show)
 661       cshow = SW_SHOW;
 662     else
 663       cshow = SW_HIDE;
 664     ShowWindow((HWND) m_radioButtons[item], cshow);
 665   }
 666 }
 667
 668 WXHBRUSH wxRadioBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 669                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 670 {
 671 #if CTL3D
 672   if ( m_useCtl3D )
 673   {
 674     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 675     return (WXHBRUSH) hbrush;
 676   }
 677 #endif
 678
 679   if (GetParent()->GetTransparentBackground())
 680     SetBkMode((HDC) pDC, TRANSPARENT);
 681   else
 682     SetBkMode((HDC) pDC, OPAQUE);
 683
 684   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 685   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 686
 687   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 688
 689   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 690   // has a zero usage count.
 691 //  backgroundBrush->RealizeResource();
 692   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 693 }
 694
 695 // For single selection items only
 696 wxString wxRadioBox::GetStringSelection (void) const
 697 {
 698   int sel = GetSelection ();
 699   if (sel > -1)
 700     return this->GetString (sel);
 701   else
 702     return wxString("");
 703 }
 704
 705 bool wxRadioBox::SetStringSelection (const wxString& s)
 706 {
 707   int sel = FindString (s);
 708   if (sel > -1)
 709     {
 710       SetSelection (sel);
 711       return TRUE;
 712     }
 713   else
 714     return FALSE;
 715 }
 716
 717 /*
 718 void wxRadioBox::SetLabelFont(wxFont *font)
 719 {
 720   // Decrement the usage count of the old label font
 721   // (we may be able to free it up)
 722   if (labelFont)
 723     labelFont->ReleaseResource();
 724
 725   labelFont = font;
 726
 727   // Increment usage count
 728   if (font)
 729     font->UseResource();
 730
 731   HWND hWnd = GetHWND();
 732   if (hWnd != 0)
 733   {
 734     if (font)
 735     {
 736       font->RealizeResource();
 737
 738       if (font->GetResourceHandle())
 739         SendMessage(hWnd, WM_SETFONT,
 740                   (WPARAM)font->GetResourceHandle(),TRUE);
 741     }
 742   }
 743 }
 744
 745 */
 746
 747 bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
 748 {
 749         int i;
 750     for (i = 0; i < Number(); i++)
 751        if (GetRadioButtons()[i] == hWnd)
 752           return TRUE;
 753         return FALSE;
 754 }
 755
 756 void wxRadioBox::Command (wxCommandEvent & event)
 757 {
 758   SetSelection (event.m_commandInt);
 759   ProcessCommand (event);
 760 }
 761
 762