src/msw/listbox.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        listbox.cpp
   3 // Purpose:     wxListBox
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin (owner drawn stuff)
   6 // Created:
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "listbox.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 "wx/listbox.h"
  25 #include "wx/settings.h"
  26 #endif
  27
  28 #include "wx/msw/private.h"
  29
  30 #include <windows.h>
  31 #include <windowsx.h>
  32
  33 #ifdef __GNUWIN32__
  34 #include <wx/msw/gnuwin32/extra.h>
  35 #endif
  36
  37 #ifdef GetCharWidth
  38 #undef GetCharWidth
  39 #endif
  40
  41 #if USE_OWNER_DRAWN
  42   #include  "wx/ownerdrw.h"
  43 #endif
  44
  45 #include "wx/dynarray.h"
  46 #include "wx/log.h"
  47
  48 #if !USE_SHARED_LIBRARY
  49   IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
  50 #endif
  51
  52 // ============================================================================
  53 // list box item declaration and implementation
  54 // ============================================================================
  55
  56 #if USE_OWNER_DRAWN
  57
  58 class wxListBoxItem : public wxOwnerDrawn
  59 {
  60 public:
  61   wxListBoxItem(const wxString& str = "");
  62 };
  63
  64 wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
  65 {
  66   // no bitmaps/checkmarks
  67   SetMarginWidth(0);
  68 }
  69
  70 wxOwnerDrawn *wxListBox::CreateItem(uint n)
  71 {
  72   return new wxListBoxItem();
  73 }
  74
  75 #endif  //USE_OWNER_DRAWN
  76
  77 // ============================================================================
  78 // list box control implementation
  79 // ============================================================================
  80
  81 // this macro is dangerous but still better than tons of (HWND)GetHWND()
  82 #define   hwnd    (HWND)GetHWND()
  83
  84 bool wxListBox::MSWCommand(const WXUINT param, const WXWORD WXUNUSED(id))
  85 {
  86 /*
  87   if (param == LBN_SELCANCEL)
  88   {
  89     event.extraLong = FALSE;
  90   }
  91 */
  92   if (param == LBN_SELCHANGE)
  93   {
  94     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
  95     wxArrayInt aSelections;
  96     int count = GetSelections(aSelections);
  97     if ( count > 0 )
  98     {
  99       event.m_commandInt = aSelections[0] ;
 100       event.m_clientData = GetClientData(event.m_commandInt);
 101       wxString str(GetString(event.m_commandInt));
 102       if (str != "")
 103         event.m_commandString = copystring((char *)(const char *)str);
 104     }
 105     else
 106     {
 107       event.m_commandInt = -1 ;
 108       event.m_commandString = copystring("") ;
 109     }
 110
 111     event.SetEventObject( this );
 112     ProcessCommand(event);
 113     if (event.m_commandString)
 114       delete[] event.m_commandString ;
 115     return TRUE;
 116   }
 117   else if (param == LBN_DBLCLK)
 118   {
 119     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
 120     event.SetEventObject( this );
 121     if ( !GetEventHandler()->ProcessEvent(event) )
 122     {
 123 #if WXWIN_COMPATIBILITY
 124       wxWindow *parent = (wxWindow *)GetParent();
 125       if (parent)
 126         parent->GetEventHandler()->OnDefaultAction(this);
 127 #endif
 128       return TRUE;
 129     }
 130   }
 131   return FALSE;
 132 }
 133
 134 // Listbox item
 135 wxListBox::wxListBox(void)
 136 {
 137   m_noItems = 0;
 138   m_selected = 0;
 139 }
 140
 141 bool wxListBox::Create(wxWindow *parent, const wxWindowID id,
 142                        const wxPoint& pos,
 143                        const wxSize& size,
 144                        const int n, const wxString choices[],
 145                        const long style,
 146                        const wxValidator& validator,
 147                        const wxString& name)
 148 {
 149   m_noItems = n;
 150   m_hWnd = 0;
 151   m_selected = 0;
 152
 153   SetName(name);
 154   SetValidator(validator);
 155
 156   if (parent) parent->AddChild(this);
 157
 158   wxSystemSettings settings;
 159   SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
 160   SetForegroundColour(parent->GetDefaultForegroundColour());
 161
 162   m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
 163
 164   int x = pos.x;
 165   int y = pos.y;
 166   int width = size.x;
 167   int height = size.y;
 168   m_windowStyle = style;
 169
 170   DWORD wstyle = WS_VSCROLL | WS_TABSTOP | LBS_NOTIFY | LBS_HASSTRINGS;
 171   if (m_windowStyle & wxLB_MULTIPLE)
 172     wstyle |= LBS_MULTIPLESEL;
 173   else if (m_windowStyle & wxLB_EXTENDED)
 174     wstyle |= LBS_EXTENDEDSEL;
 175
 176   if (m_windowStyle & wxLB_ALWAYS_SB)
 177     wstyle |= LBS_DISABLENOSCROLL ;
 178   if (m_windowStyle & wxLB_HSCROLL)
 179     wstyle |= WS_HSCROLL;
 180   if (m_windowStyle & wxLB_SORT)
 181     wstyle |= LBS_SORT;
 182
 183 #if USE_OWNER_DRAWN
 184     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 185       // we don't support LBS_OWNERDRAWVARIABLE yet
 186       wstyle |= LBS_OWNERDRAWFIXED;
 187     }
 188 #endif
 189   // Without this style, you get unexpected heights, so e.g. constraint layout
 190   // doesn't work properly
 191   wstyle |= LBS_NOINTEGRALHEIGHT;
 192
 193   bool want3D;
 194   WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
 195
 196   // Even with extended styles, need to combine with WS_BORDER
 197   // for them to look right.
 198   if ( want3D || (m_windowStyle & wxSIMPLE_BORDER)
 199               || (m_windowStyle & wxRAISED_BORDER)
 200               || (m_windowStyle & wxSUNKEN_BORDER)
 201               || (m_windowStyle & wxDOUBLE_BORDER) ) {
 202     wstyle |= WS_BORDER;
 203   }
 204
 205   HWND wx_list = CreateWindowEx(exStyle, "LISTBOX", NULL,
 206                                 wstyle | WS_CHILD,
 207                                 0, 0, 0, 0,
 208                                 (HWND)parent->GetHWND(), (HMENU)m_windowId,
 209                                 wxGetInstance(), NULL);
 210 #if CTL3D
 211   if (want3D)
 212   {
 213     Ctl3dSubclassCtl(wx_list);
 214     m_useCtl3D = TRUE;
 215   }
 216 #endif
 217
 218   uint ui;
 219   for (ui = 0; ui < (uint)n; ui++) {
 220     SendMessage(wx_list, LB_ADDSTRING, 0, (LPARAM)(const char *)choices[ui]);
 221   }
 222
 223   #if USE_OWNER_DRAWN
 224     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 225       for (ui = 0; ui < (uint)n; ui++) {
 226         // create new item which will process WM_{DRAW|MEASURE}ITEM messages
 227         wxOwnerDrawn *pNewItem = CreateItem(ui);
 228         pNewItem->SetName(choices[ui]);
 229         m_aItems.Add(pNewItem);
 230         ListBox_SetItemData(wx_list, ui, pNewItem);
 231       }
 232     }
 233   #endif
 234
 235   if ((m_windowStyle & wxLB_MULTIPLE) == 0)
 236     SendMessage(wx_list, LB_SETCURSEL, 0, 0);
 237
 238   ShowWindow(wx_list, SW_SHOW);
 239
 240   m_hWnd = (WXHWND)wx_list;
 241
 242   // Subclass again for purposes of dialog editing mode
 243   SubclassWin((WXHWND)wx_list);
 244
 245   SetFont(* parent->GetFont());
 246
 247   SetSize(x, y, width, height);
 248
 249   return TRUE;
 250 }
 251
 252 wxListBox::~wxListBox(void)
 253 {
 254   #if USE_OWNER_DRAWN
 255     uint uiCount = m_aItems.Count();
 256     while ( uiCount-- != 0 ) {
 257       delete m_aItems[uiCount];
 258     }
 259   #endif
 260 }
 261
 262 void wxListBox::SetupColours(void)
 263 {
 264   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 265   SetForegroundColour(GetParent()->GetDefaultForegroundColour());
 266 }
 267
 268 void wxListBox::SetFirstItem(const int N)
 269 {
 270   SendMessage(hwnd,LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ;
 271 }
 272
 273 void wxListBox::SetFirstItem(const wxString& s)
 274 {
 275   int N = FindString(s) ;
 276
 277   if (N>=0)
 278     SetFirstItem(N) ;
 279 }
 280
 281 void wxListBox::Delete(const int N)
 282 {
 283   SendMessage(hwnd, LB_DELETESTRING, N, 0);
 284   m_noItems --;
 285   SetHorizontalExtent("");
 286 }
 287
 288 void wxListBox::Append(const wxString& item)
 289 {
 290   int index = ListBox_AddString(hwnd, item);
 291   m_noItems ++;
 292
 293   #if USE_OWNER_DRAWN
 294     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 295       wxOwnerDrawn *pNewItem = CreateItem(-1); // dummy argument
 296       pNewItem->SetName(item);
 297       m_aItems.Add(pNewItem);
 298       ListBox_SetItemData(hwnd, index, pNewItem);
 299     }
 300   #endif
 301
 302   SetHorizontalExtent(item);
 303 }
 304
 305 void wxListBox::Append(const wxString& item, char *Client_data)
 306 {
 307   int index = ListBox_AddString(hwnd, item);
 308   m_noItems ++;
 309
 310   #if USE_OWNER_DRAWN
 311     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 312       // client data must be pointer to wxOwnerDrawn, otherwise we would crash
 313       // in OnMeasure/OnDraw.
 314       wxFAIL_MSG("Can't use client data with owner-drawn listboxes");
 315     }
 316     else
 317   #endif
 318       ListBox_SetItemData(hwnd, index, Client_data);
 319
 320   SetHorizontalExtent(item);
 321 }
 322
 323 void wxListBox::Set(const int n, const wxString *choices, char** clientData)
 324 {
 325   ShowWindow(hwnd, SW_HIDE);
 326   ListBox_ResetContent(hwnd);
 327   int i;
 328   for (i = 0; i < n; i++)
 329   {
 330     ListBox_AddString(hwnd, choices[i]);
 331     if ( clientData )
 332       ListBox_SetItemData(hwnd, i, clientData[i]);
 333   }
 334   m_noItems = n;
 335
 336   #if USE_OWNER_DRAWN
 337     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 338       // first delete old items
 339       uint ui = m_aItems.Count();
 340       while ( ui-- != 0 ) {
 341         delete m_aItems[ui];
 342       }
 343       m_aItems.Empty();
 344
 345       // then create new ones
 346       for (ui = 0; ui < (uint)n; ui++) {
 347         wxOwnerDrawn *pNewItem = CreateItem(ui);
 348         pNewItem->SetName(choices[ui]);
 349         m_aItems.Add(pNewItem);
 350         ListBox_SetItemData(hwnd, ui, pNewItem);
 351
 352         wxASSERT_MSG(clientData[ui] == NULL,
 353                      "Can't use client data with owner-drawn listboxes");
 354       }
 355     }
 356   #endif
 357
 358   SetHorizontalExtent("");
 359   ShowWindow(hwnd, SW_SHOW);
 360 }
 361
 362 int wxListBox::FindString(const wxString& s) const
 363 {
 364  int pos = ListBox_FindStringExact(hwnd, (WPARAM)-1, s);
 365  if (pos == LB_ERR)
 366    return -1;
 367  else
 368    return pos;
 369 }
 370
 371 void wxListBox::Clear(void)
 372 {
 373   ListBox_ResetContent(hwnd);
 374
 375   m_noItems = 0;
 376   ListBox_GetHorizontalExtent(hwnd);
 377 }
 378
 379 void wxListBox::SetSelection(const int N, const bool select)
 380 {
 381   if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
 382     SendMessage(hwnd, LB_SETSEL, select, N);
 383   else
 384   {
 385     int N1 = N;
 386     if (!select)
 387         N1 = -1;
 388     SendMessage(hwnd, LB_SETCURSEL, N1, 0);
 389   }
 390 }
 391
 392 bool wxListBox::Selected(const int N) const
 393 {
 394   return SendMessage(hwnd, LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
 395 }
 396
 397 void wxListBox::Deselect(const int N)
 398 {
 399   if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
 400     SendMessage(hwnd, LB_SETSEL, FALSE, N);
 401 }
 402
 403 char *wxListBox::GetClientData(const int N) const
 404 {
 405   return (char *)SendMessage(hwnd, LB_GETITEMDATA, N, 0);
 406 }
 407
 408 void wxListBox::SetClientData(const int N, char *Client_data)
 409 {
 410   if ( ListBox_SetItemData(hwnd, N, Client_data) == LB_ERR )
 411     wxLogDebug("LB_SETITEMDATA failed");
 412 }
 413
 414 // Return number of selections and an array of selected integers
 415 int wxListBox::GetSelections(wxArrayInt& aSelections) const
 416 {
 417   aSelections.Empty();
 418
 419   if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
 420   {
 421     int no_sel = ListBox_GetSelCount(hwnd);
 422     if (no_sel != 0) {
 423       int *selections = new int[no_sel];
 424       if ( ListBox_GetSelItems(hwnd, no_sel, selections) == LB_ERR ) {
 425         wxFAIL_MSG("This listbox can't have single-selection style!");
 426       }
 427
 428       aSelections.Alloc(no_sel);
 429       for ( int n = 0; n < no_sel; n++ )
 430         aSelections.Add(selections[n]);
 431
 432       delete [] selections;
 433     }
 434
 435     return no_sel;
 436   }
 437   else  // single-selection listbox
 438   {
 439     aSelections.Add(ListBox_GetCurSel(hwnd));
 440
 441     return 1;
 442   }
 443 }
 444
 445 // Get single selection, for single choice list items
 446 int wxListBox::GetSelection() const
 447 {
 448   wxCHECK_MSG( !(m_windowStyle & wxLB_MULTIPLE) &&
 449                !(m_windowStyle & wxLB_EXTENDED),
 450                -1,
 451                "GetSelection() can't be used with multiple-selection "
 452                "listboxes, use GetSelections() instead." );
 453
 454   return ListBox_GetCurSel(hwnd);
 455 }
 456
 457 // Find string for position
 458 wxString wxListBox::GetString(const int N) const
 459 {
 460   if (N < 0 || N > m_noItems)
 461     return wxString("");
 462
 463   int len = (int)SendMessage(hwnd, LB_GETTEXT, N, (LONG)wxBuffer);
 464   wxBuffer[len] = 0;
 465   return wxString(wxBuffer);
 466 }
 467
 468 void wxListBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
 469 {
 470   int currentX, currentY;
 471   GetPosition(&currentX, &currentY);
 472
 473   int x1 = x;
 474   int y1 = y;
 475   int w1 = width;
 476   int h1 = height;
 477
 478   if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 479     x1 = currentX;
 480   if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 481     y1 = currentY;
 482
 483   // If we're prepared to use the existing size, then...
 484   if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
 485   {
 486     GetSize(&w1, &h1);
 487   }
 488
 489   int cx; // button font dimensions
 490   int cy;
 491
 492   wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
 493
 494   float control_width, control_height, control_x, control_y;
 495
 496   // Deal with default size (using -1 values)
 497   if (w1<=0)
 498     w1 = DEFAULT_ITEM_WIDTH;
 499
 500   if (h1<=0)
 501     h1 = DEFAULT_ITEM_HEIGHT;
 502
 503   control_x = (float)x1;
 504   control_y = (float)y1;
 505   control_width = (float)w1;
 506   control_height = (float)h1;
 507
 508   // Calculations may have made size too small
 509   if (control_height <= 0)
 510     control_height = (float)DEFAULT_ITEM_HEIGHT;
 511
 512   if (control_width <= 0)
 513     control_width = (float)DEFAULT_ITEM_WIDTH;
 514
 515 //  wxDebugMsg("About to set the listbox height to %d", (int)control_height);
 516   MoveWindow(hwnd, (int)control_x, (int)control_y,
 517                    (int)control_width, (int)control_height, TRUE);
 518
 519 /*
 520 #if WXWIN_COMPATIBILITY
 521   GetEventHandler()->OldOnSize(width, height);
 522 #else
 523   wxSizeEvent event(wxSize(width, height), m_windowId);
 524   event.eventObject = this;
 525   GetEventHandler()->ProcessEvent(event);
 526 #endif
 527 */
 528
 529 }
 530
 531 // Windows-specific code to set the horizontal extent of
 532 // the listbox, if necessary. If s is non-NULL, it's
 533 // used to calculate the horizontal extent.
 534 // Otherwise, all strings are used.
 535 void wxListBox::SetHorizontalExtent(const wxString& s)
 536 {
 537   // Only necessary if we want a horizontal scrollbar
 538   if (!(m_windowStyle & wxHSCROLL))
 539     return;
 540   TEXTMETRIC lpTextMetric;
 541
 542   if (s != "")
 543   {
 544     int existingExtent = (int)SendMessage(hwnd, LB_GETHORIZONTALEXTENT, 0, 0L);
 545     HDC dc = GetWindowDC(hwnd);
 546     HFONT oldFont = 0;
 547     if (GetFont() && GetFont()->GetResourceHandle())
 548       oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());
 549
 550     GetTextMetrics(dc, &lpTextMetric);
 551     SIZE extentXY;
 552     ::GetTextExtentPoint(dc, (LPSTR) (const char *)s, s.Length(), &extentXY);
 553     int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
 554
 555     if (oldFont)
 556       ::SelectObject(dc, oldFont);
 557
 558     ReleaseDC(hwnd, dc);
 559     if (extentX > existingExtent)
 560       SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L);
 561     return;
 562   }
 563   else
 564   {
 565     int largestExtent = 0;
 566     HDC dc = GetWindowDC(hwnd);
 567     HFONT oldFont = 0;
 568     if (GetFont() && GetFont()->GetResourceHandle())
 569       oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());
 570
 571     GetTextMetrics(dc, &lpTextMetric);
 572     int i;
 573     for (i = 0; i < m_noItems; i++)
 574     {
 575       int len = (int)SendMessage(hwnd, LB_GETTEXT, i, (LONG)wxBuffer);
 576       wxBuffer[len] = 0;
 577       SIZE extentXY;
 578       ::GetTextExtentPoint(dc, (LPSTR)wxBuffer, len, &extentXY);
 579       int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
 580       if (extentX > largestExtent)
 581         largestExtent = extentX;
 582     }
 583     if (oldFont)
 584       ::SelectObject(dc, oldFont);
 585
 586     ReleaseDC(hwnd, dc);
 587     SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
 588   }
 589 }
 590
 591 void
 592 wxListBox::InsertItems(const int nItems, const wxString items[], const int pos)
 593 {
 594   int i;
 595   for (i = 0; i < nItems; i++)
 596     ListBox_InsertString(hwnd, i + pos, items[i]);
 597   m_noItems += nItems;
 598
 599   #if USE_OWNER_DRAWN
 600     if ( m_windowStyle & wxLB_OWNERDRAW ) {
 601       for ( i = 0; i < nItems; i++ ) {
 602         wxOwnerDrawn *pNewItem = CreateItem((uint)(pos + i));
 603         pNewItem->SetName(items[i]);
 604         m_aItems.Insert(pNewItem, (uint)(pos + i));
 605         ListBox_SetItemData(hwnd, i, pNewItem);
 606       }
 607     }
 608   #endif
 609
 610   SetHorizontalExtent("");
 611 }
 612
 613 void wxListBox::SetString(const int N, const wxString& s)
 614 {
 615   int sel = GetSelection();
 616
 617   char *oldData = (char *)wxListBox::GetClientData(N);
 618
 619   SendMessage(hwnd, LB_DELETESTRING, N, 0);
 620
 621   int newN = N;
 622   if (N == (m_noItems - 1))
 623     newN = -1;
 624
 625   SendMessage(hwnd, LB_INSERTSTRING, newN, (LPARAM) (const char *)s);
 626   if (oldData)
 627     wxListBox::SetClientData(N, oldData);
 628
 629   // Selection may have changed
 630   if (sel >= 0)
 631     SetSelection(sel);
 632
 633 #if       USE_OWNER_DRAWN
 634   if ( m_windowStyle & wxLB_OWNERDRAW )
 635           // update item's text
 636           m_aItems[N]->SetName(s);
 637 #endif  //USE_OWNER_DRAWN
 638 }
 639
 640 int wxListBox::Number (void) const
 641 {
 642   return m_noItems;
 643 }
 644
 645 // For single selection items only
 646 wxString wxListBox::GetStringSelection (void) const
 647 {
 648   int sel = GetSelection ();
 649   if (sel > -1)
 650     return this->GetString (sel);
 651   else
 652     return wxString("");
 653 }
 654
 655 bool wxListBox::SetStringSelection (const wxString& s, const bool flag)
 656 {
 657   int sel = FindString (s);
 658   if (sel > -1)
 659     {
 660       SetSelection (sel, flag);
 661       return TRUE;
 662     }
 663   else
 664     return FALSE;
 665 }
 666
 667 // Is this the right thing? Won't setselection generate a command
 668 // event too? No! It'll just generate a setselection event.
 669 // But we still can't have this being called whenever a real command
 670 // is generated, because it sets the selection, which will already
 671 // have been done! (Unless we have an optional argument for calling
 672 // by the actual window system, or a separate function, ProcessCommand)
 673 void wxListBox::Command (wxCommandEvent & event)
 674 {
 675   if (event.m_extraLong)
 676     SetSelection (event.m_commandInt);
 677   else
 678     {
 679       Deselect (event.m_commandInt);
 680       return;
 681     }
 682   ProcessCommand (event);
 683 }
 684
 685 WXHBRUSH wxListBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
 686                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 687 {
 688 #if CTL3D
 689   if ( m_useCtl3D )
 690   {
 691     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 692     return (WXHBRUSH) hbrush;
 693   }
 694 #endif
 695
 696   if (GetParent()->GetTransparentBackground())
 697     SetBkMode((HDC) pDC, TRANSPARENT);
 698   else
 699     SetBkMode((HDC) pDC, OPAQUE);
 700
 701   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 702   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 703
 704   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 705
 706   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 707   // has a zero usage count.
 708   backgroundBrush->RealizeResource();
 709   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 710 }
 711
 712 long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 713 {
 714 /*
 715   switch (nMsg)
 716   {
 717         case WM_INITDIALOG:
 718         case WM_ACTIVATE:
 719         case WM_SETFOCUS:
 720         case WM_KILLFOCUS:
 721         case WM_CREATE:
 722         case WM_PAINT:
 723         case WM_QUERYDRAGICON:
 724         case WM_SIZE:
 725         case WM_RBUTTONDOWN:
 726         case WM_RBUTTONUP:
 727         case WM_RBUTTONDBLCLK:
 728         case WM_MBUTTONDOWN:
 729         case WM_MBUTTONUP:
 730         case WM_MBUTTONDBLCLK:
 731         case WM_LBUTTONDOWN:
 732         case WM_LBUTTONUP:
 733 //        case WM_LBUTTONDBLCLK:
 734         case WM_MOUSEMOVE:
 735         case WM_DESTROY:
 736         case WM_COMMAND:
 737         case WM_NOTIFY:
 738         case WM_MENUSELECT:
 739         case WM_INITMENUPOPUP:
 740         case WM_DRAWITEM:
 741         case WM_MEASUREITEM:
 742         case WM_KEYDOWN:
 743         case WM_KEYUP:
 744         case WM_CHAR: // Always an ASCII character
 745         case WM_HSCROLL:
 746         case WM_VSCROLL:
 747         case WM_CTLCOLORBTN:
 748         case WM_CTLCOLORDLG:
 749         case WM_CTLCOLORLISTBOX:
 750         case WM_CTLCOLORMSGBOX:
 751         case WM_CTLCOLORSCROLLBAR:
 752         case WM_CTLCOLORSTATIC:
 753         case WM_CTLCOLOREDIT:
 754         case WM_SYSCOLORCHANGE:
 755         case WM_ERASEBKGND:
 756         case WM_MDIACTIVATE:
 757         case WM_DROPFILES:
 758         case WM_QUERYENDSESSION:
 759         case WM_CLOSE:
 760         case WM_GETMINMAXINFO:
 761                 case WM_NCHITTEST:
 762             return MSWDefWindowProc(nMsg, wParam, lParam );
 763     }
 764 */
 765   return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 766 }
 767
 768 #if USE_OWNER_DRAWN
 769
 770 // drawing
 771 // -------
 772
 773 // space beneath/above each row in pixels
 774 // "standard" checklistbox use 1 here, some might prefer 2. 0 is ugly.
 775 #define OWNER_DRAWN_LISTBOX_EXTRA_SPACE    (1)
 776
 777 // the height is the same for all items
 778 // ## should be changed for LBS_OWNERDRAWVARIABLE style listboxes
 779 //    NB: can't forward this to wxListBoxItem because LB_SETITEMDATA
 780 //        message is not yet sent when we get here!
 781 bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
 782 {
 783   // only owner-drawn control should receive this message
 784   wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
 785
 786   MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
 787
 788   wxDC dc;
 789   dc.SetHDC((WXHDC)CreateIC("DISPLAY", NULL, NULL, 0));
 790   dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
 791
 792   pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
 793   pStruct->itemWidth  = dc.GetCharWidth();
 794
 795   return TRUE;
 796 }
 797
 798 // forward the message to the appropriate item
 799 bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 800 {
 801   // only owner-drawn control should receive this message
 802   wxCHECK( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
 803
 804   DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
 805   wxListBoxItem *pItem = (wxListBoxItem *)SendMessage(hwnd, LB_GETITEMDATA,
 806                                                       pStruct->itemID, 0);
 807
 808   wxCHECK( (int)pItem != LB_ERR, FALSE );
 809
 810   wxDC dc;
 811   dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
 812   wxRect rect(pStruct->rcItem.left, pStruct->rcItem.top,
 813               pStruct->rcItem.right - pStruct->rcItem.left,
 814               pStruct->rcItem.bottom - pStruct->rcItem.top);
 815
 816   return pItem->OnDrawItem(dc, rect,
 817                            (wxOwnerDrawn::wxODAction)pStruct->itemAction,
 818                            (wxOwnerDrawn::wxODStatus)pStruct->itemState);
 819 }
 820
 821 #endif
 822   // USE_OWNER_DRAWN