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(const WXUINT param, const 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, const wxWindowID id, const wxString& title,
  89              const wxPoint& pos, const wxSize& size,
  90              const int n, const wxString choices[],
  91              const int majorDim, const 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   m_majorDim = majorDim ;
 120
 121   long msStyle = GROUP_FLAGS;
 122
 123   bool want3D;
 124   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
 125   // Even with extended styles, need to combine with WS_BORDER
 126   // for them to look right.
 127   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
 128        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
 129     msStyle |= WS_BORDER;
 130
 131
 132   m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
 133                            msStyle,
 134                            0,0,0,0,
 135                            (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
 136
 137   HWND the_handle = (HWND) parent->GetHWND() ;
 138
 139 #if CTL3D
 140   if (want3D)
 141   {
 142     Ctl3dSubclassCtl((HWND) m_hWnd);
 143         m_useCtl3D = TRUE;
 144   }
 145 #endif
 146
 147   SetFont(* parent->GetFont());
 148
 149   // Subclass again for purposes of dialog editing mode
 150   SubclassWin((WXHWND)m_hWnd);
 151
 152 /* Label will be the same as button font now.
 153   if (labelFont)
 154   {
 155     labelFont->RealizeResource();
 156     if (labelFont->GetResourceHandle())
 157       SendMessage(ms_handle,WM_SETFONT,
 158                 (WPARAM)labelFont->GetResourceHandle(),0L);
 159   }
 160 */
 161
 162   // Some radio boxes test consecutive id.
 163   (void)NewControlId() ;
 164   m_radioButtons = new WXHWND[n];
 165   m_radioWidth = new int[n] ;
 166   m_radioHeight = new int[n] ;
 167   int i;
 168   for (i = 0; i < n; i++)
 169   {
 170     m_radioWidth[i] = m_radioHeight[i] = -1 ;
 171     long groupStyle = 0;
 172     if (i == 0 && style==0)
 173       groupStyle = WS_GROUP;
 174     long newId = NewControlId();
 175     long msStyle = groupStyle | RADIO_FLAGS;
 176
 177     m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, choices[i],
 178                           msStyle,0,0,0,0,
 179                           the_handle, (HMENU)newId, wxGetInstance(), NULL);
 180 #if CTL3D
 181   if (want3D)
 182   {
 183     Ctl3dSubclassCtl((HWND) m_hWnd);
 184         m_useCtl3D = TRUE;
 185   }
 186 #endif
 187     if (GetFont())
 188     {
 189        SendMessage((HWND)m_radioButtons[i],WM_SETFONT,
 190                     (WPARAM)GetFont()->GetResourceHandle(),0L);
 191     }
 192     m_subControls.Append((wxObject *)newId);
 193   }
 194
 195   // Create a dummy radio control to end the group.
 196   (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
 197
 198   SetSelection(0);
 199
 200   SetSize(x, y, width, height);
 201
 202   return TRUE;
 203 }
 204
 205 #if 0
 206 bool wxRadioBox::Create(wxWindow *parent, const wxWindowID id, const wxString& title,
 207              const wxPoint& pos, const wxSize& size,
 208              const int n, const wxBitmap *choices[],
 209              const int majorDim, const long style,
 210              const wxValidator& val, const wxString& name)
 211 {
 212   m_selectedButton = -1;
 213   m_noRowsOrCols = 0;
 214   m_noItems = n;
 215
 216   SetName(name);
 217   SetValidator(val);
 218
 219   parent->AddChild(this);
 220   m_backgroundColour = parent->GetDefaultBackgroundColour() ;
 221   m_foregroundColour = parent->GetDefaultForegroundColour() ;
 222
 223   m_windowStyle = (long&)style;
 224
 225   int x = pos.x;
 226   int y = pos.y;
 227   int width = size.x;
 228   int height = size.y;
 229
 230   if (id == -1)
 231     m_windowId = NewControlId();
 232   else
 233     m_windowId = id;
 234
 235
 236   m_noRowsOrCols = majorDim;
 237   if (majorDim==0)
 238     m_majorDim = n ;
 239   m_majorDim = majorDim ;
 240   HWND the_handle ;
 241
 242   long msStyle = GROUP_FLAGS;
 243
 244   bool want3D;
 245   WXDWORD exStyle = Determine3DEffects(0, &want3D) ;
 246   // Even with extended styles, need to combine with WS_BORDER
 247   // for them to look right.
 248   if (want3D && ((m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
 249        (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)))
 250     msStyle |= WS_BORDER;
 251
 252   m_hWnd = (WXHWND) CreateWindowEx((DWORD) exStyle, GROUP_CLASS, (title == "" ? NULL : (const char *)title),
 253                            msStyle,
 254                            0,0,0,0,
 255                            (HWND) parent->GetHWND(), (HMENU) m_windowId, wxGetInstance(), NULL) ;
 256
 257 /*
 258   if (labelFont)
 259   {
 260     labelFont->RealizeResource();
 261     if (labelFont->GetResourceHandle())
 262       SendMessage(ms_handle,WM_SETFONT,
 263                 (WPARAM)labelFont->GetResourceHandle(),0L);
 264   }
 265 */
 266   the_handle = (HWND) parent->GetHWND();
 267
 268 #if CTL3D
 269   if (want3D)
 270   {
 271     Ctl3dSubclassCtl((HWND) m_hWnd);
 272         m_useCtl3D = TRUE;
 273   }
 274 #endif
 275
 276   SetFont(* parent->GetFont());
 277
 278   // Subclass again for purposes of dialog editing mode
 279   SubclassWin((WXHWND)m_hWnd);
 280
 281   (void)NewControlId() ;
 282   m_radioButtons = new WXHWND[n];
 283   m_radioWidth = new int[n] ;
 284   m_radioHeight = new int[n] ;
 285
 286   int i;
 287   for (i = 0; i < n; i++)
 288   {
 289     long groupStyle = 0;
 290     if (i == 0 && style==0)
 291       groupStyle = WS_GROUP;
 292     long newId = NewControlId();
 293     m_radioWidth[i]  = ((wxBitmap *)choices[i])->GetWidth();
 294     m_radioHeight[i] = ((wxBitmap *)choices[i])->GetHeight();
 295     char tmp[32] ;
 296     sprintf(tmp,"Toggle%d",i) ;
 297     long msStyle = groupStyle | RADIO_FLAGS;
 298     m_radioButtons[i] = (WXHWND) CreateWindowEx(exStyle, RADIO_CLASS, tmp,
 299                           msStyle,0,0,0,0,
 300                           the_handle, (HMENU)newId, wxhInstance, NULL);
 301 #if CTL3D
 302   if (want3D)
 303   {
 304     Ctl3dSubclassCtl((HWND) m_hWnd);
 305         m_useCtl3D = TRUE;
 306   }
 307 #endif
 308     m_subControls.Append((wxObject *)newId);
 309   }
 310   // Create a dummy radio control to end the group.
 311   (void)CreateWindowEx(0, RADIO_CLASS, "", WS_GROUP|RADIO_FLAGS, 0,0,0,0, the_handle, (HMENU)NewControlId(), wxGetInstance(), NULL);
 312
 313   SetSelection(0);
 314
 315   SetSize(x, y, width, height);
 316
 317   return TRUE;
 318 }
 319 #endif
 320
 321 wxRadioBox::~wxRadioBox(void)
 322 {
 323   m_isBeingDeleted = TRUE;
 324
 325   if (m_radioButtons)
 326   {
 327     int i;
 328     for (i = 0; i < m_noItems; i++)
 329       DestroyWindow((HWND) m_radioButtons[i]);
 330     delete[] m_radioButtons;
 331   }
 332   if (m_radioWidth)
 333     delete[] m_radioWidth ;
 334   if (m_radioHeight)
 335     delete[] m_radioHeight ;
 336   if (m_hWnd)
 337     ::DestroyWindow((HWND) m_hWnd) ;
 338   m_hWnd = 0 ;
 339
 340 }
 341
 342 wxString wxRadioBox::GetLabel(const int item) const
 343 {
 344   GetWindowText((HWND)m_radioButtons[item], wxBuffer, 300);
 345   return wxString(wxBuffer);
 346 }
 347
 348 void wxRadioBox::SetLabel(const int item, const wxString& label)
 349 {
 350   m_radioWidth[item] = m_radioHeight[item] = -1 ;
 351   SetWindowText((HWND)m_radioButtons[item], (const char *)label);
 352 }
 353
 354 void wxRadioBox::SetLabel(const int item, wxBitmap *bitmap)
 355 {
 356 /*
 357     m_radioWidth[item] = bitmap->GetWidth() + FB_MARGIN ;
 358     m_radioHeight[item] = bitmap->GetHeight() + FB_MARGIN ;
 359 */
 360 }
 361
 362 int wxRadioBox::FindString(const wxString& s) const
 363 {
 364  int i;
 365  for (i = 0; i < m_noItems; i++)
 366  {
 367   GetWindowText((HWND) m_radioButtons[i], wxBuffer, 1000);
 368   if (s == wxBuffer)
 369     return i;
 370  }
 371  return -1;
 372 }
 373
 374 void wxRadioBox::SetSelection(const int N)
 375 {
 376   if ((N < 0) || (N >= m_noItems))
 377     return;
 378
 379 // Following necessary for Win32s, because Win32s translate BM_SETCHECK
 380   if (m_selectedButton >= 0 && m_selectedButton < m_noItems)
 381     SendMessage((HWND) m_radioButtons[m_selectedButton], BM_SETCHECK, 0, 0L);
 382
 383   SendMessage((HWND) m_radioButtons[N], BM_SETCHECK, 1, 0L);
 384   m_selectedButton = N;
 385 }
 386
 387 // Get single selection, for single choice list items
 388 int wxRadioBox::GetSelection(void) const
 389 {
 390   return m_selectedButton;
 391 }
 392
 393 // Find string for position
 394 wxString wxRadioBox::GetString(const int N) const
 395 {
 396   GetWindowText((HWND) m_radioButtons[N], wxBuffer, 1000);
 397   return wxString(wxBuffer);
 398 }
 399
 400 void wxRadioBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
 401 {
 402   int currentX, currentY;
 403   GetPosition(&currentX, &currentY);
 404   int xx = x;
 405   int yy = y;
 406
 407   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 408     xx = currentX;
 409   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 410     yy = currentY;
 411
 412   char buf[400];
 413
 414   int y_offset = yy;
 415   int x_offset = xx;
 416   float current_width;
 417
 418   float cyf;
 419
 420   int cx1,cy1 ;
 421   wxGetCharSize(m_hWnd, &cx1, &cy1, GetFont());
 422   // Attempt to have a look coherent with other platforms:
 423   // We compute the biggest toggle dim, then we align all
 424   // items according this value.
 425   int maxWidth =  -1;
 426   int maxHeight = -1 ;
 427
 428   int i;
 429   for (i = 0 ; i < m_noItems; i++)
 430   {
 431     int eachWidth;
 432     int eachHeight ;
 433     if (m_radioWidth[i]<0)
 434     {
 435       // It's a labelled toggle
 436       GetWindowText((HWND) m_radioButtons[i], buf, 300);
 437       GetTextExtent(buf, &current_width, &cyf,NULL,NULL, GetFont());
 438       eachWidth = (int)(current_width + RADIO_SIZE);
 439       eachHeight = (int)((3*cyf)/2);
 440     }
 441     else
 442     {
 443       eachWidth = m_radioWidth[i] ;
 444       eachHeight = m_radioHeight[i] ;
 445     }
 446     if (maxWidth<eachWidth) maxWidth = eachWidth ;
 447     if (maxHeight<eachHeight) maxHeight = eachHeight ;
 448   }
 449
 450   if (m_hWnd)
 451   {
 452     int totWidth ;
 453     int totHeight;
 454
 455     int nbHor,nbVer;
 456
 457     if (m_windowStyle & wxRA_VERTICAL)
 458     {
 459       nbVer = m_majorDim ;
 460       nbHor = (m_noItems+m_majorDim-1)/m_majorDim ;
 461     }
 462     else
 463     {
 464       nbHor = m_majorDim ;
 465       nbVer = (m_noItems+m_majorDim-1)/m_majorDim ;
 466     }
 467
 468     // this formula works, but I don't know why.
 469     // Please, be sure what you do if you modify it!!
 470     if (m_radioWidth[0]<0)
 471       totHeight = (nbVer * maxHeight) + cy1/2 ;
 472     else
 473       totHeight = nbVer * (maxHeight+cy1/2) ;
 474     totWidth  = nbHor * (maxWidth+cx1) ;
 475
 476 #if (!CTL3D)
 477     // Requires a bigger group box in plain Windows
 478     MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+(3*cy1)/2,TRUE) ;
 479 #else
 480     MoveWindow((HWND) m_hWnd,x_offset,y_offset,totWidth+cx1,totHeight+cy1,TRUE) ;
 481 #endif
 482     x_offset += cx1;
 483     y_offset += cy1;
 484   }
 485
 486 #if (!CTL3D)
 487   y_offset += (int)(cy1/2); // Fudge factor since buttons overlapped label
 488                             // JACS 2/12/93. CTL3D draws group label quite high.
 489 #endif
 490   int startX = x_offset ;
 491   int startY = y_offset ;
 492
 493   for ( i = 0 ; i < m_noItems; i++)
 494   {
 495     // Bidimensional radio adjustment
 496     if (i&&((i%m_majorDim)==0)) // Why is this omitted for i = 0?
 497     {
 498       if (m_windowStyle & wxRA_VERTICAL)
 499       {
 500         y_offset = startY;
 501         x_offset += maxWidth + cx1 ;
 502       }
 503       else
 504       {
 505         x_offset = startX ;
 506         y_offset += maxHeight ;
 507         if (m_radioWidth[0]>0)
 508           y_offset += cy1/2 ;
 509       }
 510     }
 511     int eachWidth ;
 512     int eachHeight ;
 513     if (m_radioWidth[i]<0)
 514     {
 515       // It's a labeled item
 516       GetWindowText((HWND) m_radioButtons[i], buf, 300);
 517       GetTextExtent(buf, &current_width, &cyf,NULL,NULL,GetFont());
 518
 519       // How do we find out radio button bitmap size!!
 520       // By adjusting them carefully, manually :-)
 521       eachWidth = (int)(current_width + RADIO_SIZE);
 522       eachHeight = (int)((3*cyf)/2);
 523     }
 524     else
 525     {
 526       eachWidth = m_radioWidth[i] ;
 527       eachHeight = m_radioHeight[i] ;
 528     }
 529
 530     MoveWindow((HWND) m_radioButtons[i],x_offset,y_offset,eachWidth,eachHeight,TRUE);
 531     if (m_windowStyle & wxRA_VERTICAL)
 532     {
 533       y_offset += maxHeight;
 534       if (m_radioWidth[0]>0)
 535         y_offset += cy1/2 ;
 536     }
 537     else
 538       x_offset += maxWidth + cx1;
 539   }
 540 }
 541
 542 void wxRadioBox::GetSize(int *width, int *height) const
 543 {
 544   RECT rect;
 545   rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
 546
 547   if (m_hWnd)
 548     wxFindMaxSize(m_hWnd, &rect);
 549
 550   int i;
 551   for (i = 0; i < m_noItems; i++)
 552     wxFindMaxSize(m_radioButtons[i], &rect);
 553
 554   *width = rect.right - rect.left;
 555   *height = rect.bottom - rect.top;
 556 }
 557
 558 void wxRadioBox::GetPosition(int *x, int *y) const
 559 {
 560   wxWindow *parent = GetParent();
 561   RECT rect;
 562   rect.left = -1; rect.right = -1; rect.top = -1; rect.bottom = -1;
 563
 564   int i;
 565   for (i = 0; i < m_noItems; i++)
 566     wxFindMaxSize(m_radioButtons[i], &rect);
 567
 568   if (m_hWnd)
 569     wxFindMaxSize(m_hWnd, &rect);
 570
 571   // Since we now have the absolute screen coords,
 572   // if there's a parent we must subtract its top left corner
 573   POINT point;
 574   point.x = rect.left;
 575   point.y = rect.top;
 576   if (parent)
 577   {
 578     ::ScreenToClient((HWND) parent->GetHWND(), &point);
 579   }
 580
 581   *x = point.x;
 582   *y = point.y;
 583 }
 584
 585 wxString wxRadioBox::GetLabel(void) const
 586 {
 587   if (m_hWnd)
 588   {
 589     GetWindowText((HWND) m_hWnd, wxBuffer, 300);
 590     return wxString(wxBuffer);
 591   }
 592   else return wxString("");
 593 }
 594
 595 void wxRadioBox::SetLabel(const wxString& label)
 596 {
 597   if (m_hWnd && label)
 598     SetWindowText((HWND) m_hWnd, label);
 599 }
 600
 601 void wxRadioBox::SetFocus(void)
 602 {
 603 /*
 604   if (m_noItems > 0)
 605    ::SetFocus((HWND) m_radioButtons[0]);
 606 */
 607 /* Begin Alberts Patch 26. 5. 1997*/
 608   if (m_noItems > 0)
 609   {
 610     if (m_selectedButton == -1)
 611       ::SetFocus((HWND) m_radioButtons[0]);
 612     else
 613       ::SetFocus((HWND) m_radioButtons[m_selectedButton]);
 614   }
 615 /* Ende Alberts Patch*/
 616
 617 }
 618
 619 bool wxRadioBox::Show(const bool show)
 620 {
 621   int cshow;
 622   if (show)
 623     cshow = SW_SHOW;
 624   else
 625     cshow = SW_HIDE;
 626   if (m_hWnd)
 627     ShowWindow((HWND) m_hWnd, cshow);
 628   int i;
 629   for (i = 0; i < m_noItems; i++)
 630     ShowWindow((HWND) m_radioButtons[i], cshow);
 631   return TRUE;
 632 }
 633
 634 // Enable a specific button
 635 void wxRadioBox::Enable(const int item, const bool enable)
 636 {
 637   if (item<0)
 638     wxWindow::Enable(enable) ;
 639   else if (item < m_noItems)
 640     ::EnableWindow((HWND) m_radioButtons[item], enable);
 641 }
 642
 643 // Enable all controls
 644 void wxRadioBox::Enable(const bool enable)
 645 {
 646   wxControl::Enable(enable);
 647
 648   int i;
 649   for (i = 0; i < m_noItems; i++)
 650     ::EnableWindow((HWND) m_radioButtons[i], enable);
 651 }
 652
 653 // Show a specific button
 654 void wxRadioBox::Show(const int item, const bool show)
 655 {
 656   if (item<0)
 657     wxRadioBox::Show(show) ;
 658   else if (item < m_noItems)
 659   {
 660     int cshow;
 661     if (show)
 662       cshow = SW_SHOW;
 663     else
 664       cshow = SW_HIDE;
 665     ShowWindow((HWND) m_radioButtons[item], cshow);
 666   }
 667 }
 668
 669 WXHBRUSH wxRadioBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
 670                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 671 {
 672 #if CTL3D
 673   if ( m_useCtl3D )
 674   {
 675     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 676     return (WXHBRUSH) hbrush;
 677   }
 678 #endif
 679
 680   if (GetParent()->GetTransparentBackground())
 681     SetBkMode((HDC) pDC, TRANSPARENT);
 682   else
 683     SetBkMode((HDC) pDC, OPAQUE);
 684
 685   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 686   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 687
 688   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 689
 690   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 691   // has a zero usage count.
 692 //  backgroundBrush->RealizeResource();
 693   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 694 }
 695
 696 // For single selection items only
 697 wxString wxRadioBox::GetStringSelection (void) const
 698 {
 699   int sel = GetSelection ();
 700   if (sel > -1)
 701     return this->GetString (sel);
 702   else
 703     return wxString("");
 704 }
 705
 706 bool wxRadioBox::SetStringSelection (const wxString& s)
 707 {
 708   int sel = FindString (s);
 709   if (sel > -1)
 710     {
 711       SetSelection (sel);
 712       return TRUE;
 713     }
 714   else
 715     return FALSE;
 716 }
 717
 718 /*
 719 void wxRadioBox::SetLabelFont(wxFont *font)
 720 {
 721   // Decrement the usage count of the old label font
 722   // (we may be able to free it up)
 723   if (labelFont)
 724     labelFont->ReleaseResource();
 725
 726   labelFont = font;
 727
 728   // Increment usage count
 729   if (font)
 730     font->UseResource();
 731
 732   HWND hWnd = GetHWND();
 733   if (hWnd != 0)
 734   {
 735     if (font)
 736     {
 737       font->RealizeResource();
 738
 739       if (font->GetResourceHandle())
 740         SendMessage(hWnd, WM_SETFONT,
 741                   (WPARAM)font->GetResourceHandle(),TRUE);
 742     }
 743   }
 744 }
 745
 746 */
 747
 748 bool wxRadioBox::ContainsHWND(WXHWND hWnd) const
 749 {
 750         int i;
 751     for (i = 0; i < Number(); i++)
 752        if (GetRadioButtons()[i] == hWnd)
 753           return TRUE;
 754         return FALSE;
 755 }
 756
 757 void wxRadioBox::Command (wxCommandEvent & event)
 758 {
 759   SetSelection (event.m_commandInt);
 760   ProcessCommand (event);
 761 }
 762
 763