src/msw/tbar95.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/tbar95.cpp
   3 // Purpose:     wxToolBar
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "tbar95.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 #ifndef WX_PRECOMP
  32     #include "wx/frame.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/dynarray.h"
  36     #include "wx/settings.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/dcmemory.h"
  39     #include "wx/control.h"
  40 #endif
  41
  42 #if wxUSE_TOOLBAR && defined(__WIN95__) && wxUSE_TOOLBAR_NATIVE
  43
  44 #include "wx/toolbar.h"
  45
  46 #if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
  47     #include "malloc.h"
  48 #endif
  49
  50 #include "wx/msw/private.h"
  51
  52 #ifndef __TWIN32__
  53
  54 #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
  55     #include <commctrl.h>
  56 #else
  57     #include "wx/msw/gnuwin32/extra.h"
  58 #endif
  59
  60 #endif // __TWIN32__
  61
  62 #include "wx/msw/dib.h"
  63 #include "wx/app.h"         // for GetComCtl32Version
  64
  65 #if defined(__MWERKS__) && defined(__WXMSW__)
  66 // including <windef.h> for max definition doesn't seem
  67 // to work using CodeWarrior 6 Windows. So we define it
  68 // here. (Otherwise we get a undefined identifier 'max'
  69 // later on in this file.) (Added by dimitri@shortcut.nl)
  70 #   ifndef max
  71 #       define max(a,b)            (((a) > (b)) ? (a) : (b))
  72 #   endif
  73
  74 #endif
  75
  76 // ----------------------------------------------------------------------------
  77 // conditional compilation
  78 // ----------------------------------------------------------------------------
  79
  80 // wxWindows previously always considered that toolbar buttons have light grey
  81 // (0xc0c0c0) background and so ignored any bitmap masks - however, this
  82 // doesn't work with XPMs which then appear to have black background. To make
  83 // this work, we must respect the bitmap masks - which we do now. This should
  84 // be ok in any case, but to restore 100% compatible with the old version
  85 // behaviour, you can set this to 0.
  86 #define USE_BITMAP_MASKS 1
  87
  88 // ----------------------------------------------------------------------------
  89 // constants
  90 // ----------------------------------------------------------------------------
  91
  92 // these standard constants are not always defined in compilers headers
  93
  94 // Styles
  95 #ifndef TBSTYLE_FLAT
  96     #define TBSTYLE_LIST            0x1000
  97     #define TBSTYLE_FLAT            0x0800
  98 #endif
  99
 100 #ifndef TBSTYLE_TRANSPARENT
 101     #define TBSTYLE_TRANSPARENT     0x8000
 102 #endif
 103
 104 #ifndef TBSTYLE_TOOLTIPS
 105     #define TBSTYLE_TOOLTIPS        0x0100
 106 #endif
 107
 108 // Messages
 109 #ifndef TB_GETSTYLE
 110     #define TB_SETSTYLE             (WM_USER + 56)
 111     #define TB_GETSTYLE             (WM_USER + 57)
 112 #endif
 113
 114 #ifndef TB_HITTEST
 115     #define TB_HITTEST              (WM_USER + 69)
 116 #endif
 117
 118 // these values correspond to those used by comctl32.dll
 119 #define DEFAULTBITMAPX   16
 120 #define DEFAULTBITMAPY   15
 121 #define DEFAULTBUTTONX   24
 122 #define DEFAULTBUTTONY   24
 123 #define DEFAULTBARHEIGHT 27
 124
 125 // ----------------------------------------------------------------------------
 126 // wxWin macros
 127 // ----------------------------------------------------------------------------
 128
 129 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarBase)
 130
 131 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
 132     EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
 133     EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
 134 END_EVENT_TABLE()
 135
 136 // ----------------------------------------------------------------------------
 137 // private classes
 138 // ----------------------------------------------------------------------------
 139
 140 class wxToolBarTool : public wxToolBarToolBase
 141 {
 142 public:
 143     wxToolBarTool(wxToolBar *tbar,
 144                   int id,
 145                   const wxString& label,
 146                   const wxBitmap& bmpNormal,
 147                   const wxBitmap& bmpDisabled,
 148                   wxItemKind kind,
 149                   wxObject *clientData,
 150                   const wxString& shortHelp,
 151                   const wxString& longHelp)
 152         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
 153                             clientData, shortHelp, longHelp)
 154     {
 155         m_nSepCount = 0;
 156     }
 157
 158     wxToolBarTool(wxToolBar *tbar, wxControl *control)
 159         : wxToolBarToolBase(tbar, control)
 160     {
 161         m_nSepCount = 1;
 162     }
 163
 164     virtual void SetLabel(const wxString& label)
 165     {
 166         if ( label == m_label )
 167             return;
 168
 169         wxToolBarToolBase::SetLabel(label);
 170
 171         // we need to update the label shown in the toolbar because it has a
 172         // pointer to the internal buffer of the old label
 173         //
 174         // TODO: use TB_SETBUTTONINFO
 175     }
 176
 177     // set/get the number of separators which we use to cover the space used by
 178     // a control in the toolbar
 179     void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
 180     size_t GetSeparatorsCount() const { return m_nSepCount; }
 181
 182 private:
 183     size_t m_nSepCount;
 184 };
 185
 186
 187 // ============================================================================
 188 // implementation
 189 // ============================================================================
 190
 191 // ----------------------------------------------------------------------------
 192 // wxToolBarTool
 193 // ----------------------------------------------------------------------------
 194
 195 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 196                                          const wxString& label,
 197                                          const wxBitmap& bmpNormal,
 198                                          const wxBitmap& bmpDisabled,
 199                                          wxItemKind kind,
 200                                          wxObject *clientData,
 201                                          const wxString& shortHelp,
 202                                          const wxString& longHelp)
 203 {
 204     return new wxToolBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
 205                              clientData, shortHelp, longHelp);
 206 }
 207
 208 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 209 {
 210     return new wxToolBarTool(this, control);
 211 }
 212
 213 // ----------------------------------------------------------------------------
 214 // wxToolBar construction
 215 // ----------------------------------------------------------------------------
 216
 217 void wxToolBar::Init()
 218 {
 219     m_hBitmap = 0;
 220
 221     m_nButtons = 0;
 222
 223     m_defaultWidth = DEFAULTBITMAPX;
 224     m_defaultHeight = DEFAULTBITMAPY;
 225
 226     m_pInTool = 0;
 227 }
 228
 229 bool wxToolBar::Create(wxWindow *parent,
 230                        wxWindowID id,
 231                        const wxPoint& pos,
 232                        const wxSize& size,
 233                        long style,
 234                        const wxString& name)
 235 {
 236     // toolbars never have border, giving one to them results in broken
 237     // appearance
 238     style &= ~wxBORDER_MASK;
 239     style |= wxBORDER_NONE;
 240
 241     // common initialisation
 242     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 243         return FALSE;
 244
 245     // prepare flags
 246     DWORD msflags = TBSTYLE_TOOLTIPS;  // WS_VISIBLE | WS_CHILD always included
 247
 248    if ( style & wxCLIP_SIBLINGS )
 249         msflags |= WS_CLIPSIBLINGS;
 250
 251     if ( style & wxTB_FLAT )
 252     {
 253         // static as it doesn't change during the program lifetime
 254         static int s_verComCtl = wxTheApp->GetComCtl32Version();
 255
 256         // comctl32.dll 4.00 doesn't support the flat toolbars and using this
 257         // style with 6.00 (part of Windows XP) leads to the toolbar with
 258         // incorrect background colour - and not using it still results in the
 259         // correct (flat) toolbar, so don't use it there
 260         if ( s_verComCtl > 400 && s_verComCtl < 600 )
 261         {
 262             msflags |= TBSTYLE_FLAT | TBSTYLE_TRANSPARENT;
 263         }
 264     }
 265     if (style & wxTB_NODIVIDER)
 266         msflags |= CCS_NODIVIDER;
 267     if (style & wxTB_NOALIGN)
 268         msflags |= CCS_NOPARENTALIGN;
 269
 270     // MSW-specific initialisation
 271     if ( !wxControl::MSWCreateControl(TOOLBARCLASSNAME, msflags) )
 272         return FALSE;
 273
 274     // toolbar-specific post initialisation
 275     ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 276
 277     // set up the colors and fonts
 278     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));
 279     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 280
 281     // position it
 282     int x = pos.x;
 283     int y = pos.y;
 284     int width = size.x;
 285     int height = size.y;
 286
 287     if (width <= 0)
 288         width = 100;
 289     if (height <= 0)
 290         height = m_defaultHeight;
 291     if (x < 0)
 292         x = 0;
 293     if (y < 0)
 294         y = 0;
 295
 296     SetSize(x, y, width, height);
 297
 298     return TRUE;
 299 }
 300
 301 wxToolBar::~wxToolBar()
 302 {
 303     // we must refresh the frame size when the toolbar is deleted but the frame
 304     // is not - otherwise toolbar leaves a hole in the place it used to occupy
 305     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 306     if ( frame && !frame->IsBeingDeleted() )
 307     {
 308         frame->SendSizeEvent();
 309     }
 310
 311     if ( m_hBitmap )
 312     {
 313         ::DeleteObject((HBITMAP) m_hBitmap);
 314     }
 315 }
 316
 317 // ----------------------------------------------------------------------------
 318 // adding/removing tools
 319 // ----------------------------------------------------------------------------
 320
 321 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos),
 322                              wxToolBarToolBase *tool)
 323 {
 324     // nothing special to do here - we really create the toolbar buttons in
 325     // Realize() later
 326     tool->Attach(this);
 327
 328     return TRUE;
 329 }
 330
 331 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
 332 {
 333     // the main difficulty we have here is with the controls in the toolbars:
 334     // as we (sometimes) use several separators to cover up the space used by
 335     // them, the indices are not the same for us and the toolbar
 336
 337     // first determine the position of the first button to delete: it may be
 338     // different from pos if we use several separators to cover the space used
 339     // by a control
 340     wxToolBarToolsList::Node *node;
 341     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 342     {
 343         wxToolBarToolBase *tool2 = node->GetData();
 344         if ( tool2 == tool )
 345         {
 346             // let node point to the next node in the list
 347             node = node->GetNext();
 348
 349             break;
 350         }
 351
 352         if ( tool2->IsControl() )
 353         {
 354             pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount() - 1;
 355         }
 356     }
 357
 358     // now determine the number of buttons to delete and the area taken by them
 359     size_t nButtonsToDelete = 1;
 360
 361     // get the size of the button we're going to delete
 362     RECT r;
 363     if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
 364     {
 365         wxLogLastError(_T("TB_GETITEMRECT"));
 366     }
 367
 368     int width = r.right - r.left;
 369
 370     if ( tool->IsControl() )
 371     {
 372         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
 373
 374         width *= nButtonsToDelete;
 375     }
 376
 377     // do delete all buttons
 378     m_nButtons -= nButtonsToDelete;
 379     while ( nButtonsToDelete-- > 0 )
 380     {
 381         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
 382         {
 383             wxLogLastError(wxT("TB_DELETEBUTTON"));
 384
 385             return FALSE;
 386         }
 387     }
 388
 389     tool->Detach();
 390
 391     // and finally reposition all the controls after this button (the toolbar
 392     // takes care of all normal items)
 393     for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
 394     {
 395         wxToolBarToolBase *tool2 = node->GetData();
 396         if ( tool2->IsControl() )
 397         {
 398             int x;
 399             wxControl *control = tool2->GetControl();
 400             control->GetPosition(&x, NULL);
 401             control->Move(x - width, -1);
 402         }
 403     }
 404
 405     return TRUE;
 406 }
 407
 408 bool wxToolBar::Realize()
 409 {
 410     size_t nTools = GetToolsCount();
 411     if ( nTools == 0 )
 412     {
 413         // nothing to do
 414         return TRUE;
 415     }
 416
 417     bool isVertical = (GetWindowStyle() & wxTB_VERTICAL) != 0;
 418
 419     // First, add the bitmap: we use one bitmap for all toolbar buttons
 420     // ----------------------------------------------------------------
 421
 422     // if we already have a bitmap, we'll replace the existing one - otherwise
 423     // we'll install a new one
 424     HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
 425
 426     int totalBitmapWidth = (int)(m_defaultWidth * nTools);
 427     int totalBitmapHeight = (int)m_defaultHeight;
 428
 429     // Create a bitmap and copy all the tool bitmaps to it
 430 #if USE_BITMAP_MASKS
 431     wxMemoryDC dcAllButtons;
 432     wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
 433     dcAllButtons.SelectObject(bitmap);
 434     dcAllButtons.SetBackground(*wxLIGHT_GREY_BRUSH);
 435     dcAllButtons.Clear();
 436
 437     m_hBitmap = bitmap.GetHBITMAP();
 438     HBITMAP hBitmap = (HBITMAP)m_hBitmap;
 439 #else // !USE_BITMAP_MASKS
 440     HBITMAP hBitmap = ::CreateCompatibleBitmap(ScreenHDC(),
 441                                                totalBitmapWidth,
 442                                                totalBitmapHeight);
 443     if ( !hBitmap )
 444     {
 445         wxLogLastError(_T("CreateCompatibleBitmap"));
 446
 447         return FALSE;
 448     }
 449
 450     m_hBitmap = (WXHBITMAP)hBitmap;
 451
 452     HDC memoryDC = ::CreateCompatibleDC(NULL);
 453     HBITMAP oldBitmap = (HBITMAP) ::SelectObject(memoryDC, hBitmap);
 454
 455     HDC memoryDC2 = ::CreateCompatibleDC(NULL);
 456 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 457
 458     // the button position
 459     wxCoord x = 0;
 460
 461     // the number of buttons (not separators)
 462     int nButtons = 0;
 463
 464     wxToolBarToolsList::Node *node = m_tools.GetFirst();
 465     while ( node )
 466     {
 467         wxToolBarToolBase *tool = node->GetData();
 468         if ( tool->IsButton() )
 469         {
 470             const wxBitmap& bmp = tool->GetNormalBitmap();
 471             if ( bmp.Ok() )
 472             {
 473 #if USE_BITMAP_MASKS
 474                 // notice the last parameter: do use mask
 475                 dcAllButtons.DrawBitmap(bmp, x, 0, TRUE);
 476 #else // !USE_BITMAP_MASKS
 477                 HBITMAP hbmp = GetHbitmapOf(bmp);
 478                 HBITMAP oldBitmap2 = (HBITMAP)::SelectObject(memoryDC2, hbmp);
 479                 if ( !BitBlt(memoryDC, x, 0,  m_defaultWidth, m_defaultHeight,
 480                              memoryDC2, 0, 0, SRCCOPY) )
 481                 {
 482                     wxLogLastError(wxT("BitBlt"));
 483                 }
 484
 485                 ::SelectObject(memoryDC2, oldBitmap2);
 486 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 487             }
 488             else
 489             {
 490                 wxFAIL_MSG( _T("invalid tool button bitmap") );
 491             }
 492
 493             // still inc width and number of buttons because otherwise the
 494             // subsequent buttons will all be shifted which is rather confusing
 495             // (and like this you'd see immediately which bitmap was bad)
 496             x += m_defaultWidth;
 497             nButtons++;
 498         }
 499
 500         node = node->GetNext();
 501     }
 502
 503 #if USE_BITMAP_MASKS
 504     dcAllButtons.SelectObject(wxNullBitmap);
 505
 506     // don't delete this HBITMAP!
 507     bitmap.SetHBITMAP(0);
 508 #else // !USE_BITMAP_MASKS
 509     ::SelectObject(memoryDC, oldBitmap);
 510     ::DeleteDC(memoryDC);
 511     ::DeleteDC(memoryDC2);
 512 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 513
 514     // Map to system colours
 515     hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
 516                                  totalBitmapWidth, totalBitmapHeight);
 517
 518     int bitmapId = 0;
 519
 520     bool addBitmap = TRUE;
 521
 522     if ( oldToolBarBitmap )
 523     {
 524 #ifdef TB_REPLACEBITMAP
 525         if ( wxTheApp->GetComCtl32Version() >= 400 )
 526         {
 527             TBREPLACEBITMAP replaceBitmap;
 528             replaceBitmap.hInstOld = NULL;
 529             replaceBitmap.hInstNew = NULL;
 530             replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
 531             replaceBitmap.nIDNew = (UINT) hBitmap;
 532             replaceBitmap.nButtons = nButtons;
 533             if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
 534                                 0, (LPARAM) &replaceBitmap) )
 535             {
 536                 wxFAIL_MSG(wxT("Could not replace the old bitmap"));
 537             }
 538
 539             ::DeleteObject(oldToolBarBitmap);
 540
 541             // already done
 542             addBitmap = FALSE;
 543         }
 544         else
 545 #endif // TB_REPLACEBITMAP
 546         {
 547             // we can't replace the old bitmap, so we will add another one
 548             // (awfully inefficient, but what else to do?) and shift the bitmap
 549             // indices accordingly
 550             addBitmap = TRUE;
 551
 552             bitmapId = m_nButtons;
 553         }
 554
 555         // Now delete all the buttons
 556         for ( size_t pos = 0; pos < m_nButtons; pos++ )
 557         {
 558             if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
 559             {
 560                 wxLogDebug(wxT("TB_DELETEBUTTON failed"));
 561             }
 562         }
 563     }
 564
 565     if ( addBitmap ) // no old bitmap or we can't replace it
 566     {
 567         TBADDBITMAP addBitmap;
 568         addBitmap.hInst = 0;
 569         addBitmap.nID = (UINT) hBitmap;
 570         if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
 571                            (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
 572         {
 573             wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
 574         }
 575     }
 576
 577     // Next add the buttons and separators
 578     // -----------------------------------
 579
 580     TBBUTTON *buttons = new TBBUTTON[nTools];
 581
 582     // this array will hold the indices of all controls in the toolbar
 583     wxArrayInt controlIds;
 584
 585     bool lastWasRadio = FALSE;
 586     int i = 0;
 587     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 588     {
 589         wxToolBarToolBase *tool = node->GetData();
 590
 591         // don't add separators to the vertical toolbar - looks ugly
 592         if ( isVertical && tool->IsSeparator() )
 593             continue;
 594
 595         TBBUTTON& button = buttons[i];
 596
 597         wxZeroMemory(button);
 598
 599         bool isRadio = FALSE;
 600         switch ( tool->GetStyle() )
 601         {
 602             case wxTOOL_STYLE_CONTROL:
 603                 button.idCommand = tool->GetId();
 604                 // fall through: create just a separator too
 605
 606             case wxTOOL_STYLE_SEPARATOR:
 607                 button.fsState = TBSTATE_ENABLED;
 608                 button.fsStyle = TBSTYLE_SEP;
 609                 break;
 610
 611             case wxTOOL_STYLE_BUTTON:
 612                 button.iBitmap = bitmapId;
 613
 614                 if ( HasFlag(wxTB_TEXT) && !tool->GetLabel().empty() )
 615                 {
 616                     button.iString = (int)tool->GetLabel().c_str();
 617                 }
 618
 619                 button.idCommand = tool->GetId();
 620
 621                 if ( tool->IsEnabled() )
 622                     button.fsState |= TBSTATE_ENABLED;
 623                 if ( tool->IsToggled() )
 624                     button.fsState |= TBSTATE_CHECKED;
 625
 626                 switch ( tool->GetKind() )
 627                 {
 628                     case wxITEM_RADIO:
 629                         button.fsStyle = TBSTYLE_CHECKGROUP;
 630
 631                         if ( !lastWasRadio )
 632                         {
 633                             // the first item in the radio group is checked by
 634                             // default to be consistent with wxGTK and the menu
 635                             // radio items
 636                             button.fsState |= TBSTATE_CHECKED;
 637
 638                             tool->Toggle(TRUE);
 639                         }
 640
 641                         isRadio = TRUE;
 642                         break;
 643
 644                     case wxITEM_CHECK:
 645                         button.fsStyle = TBSTYLE_CHECK;
 646                         break;
 647
 648                     default:
 649                         wxFAIL_MSG( _T("unexpected toolbar button kind") );
 650                         // fall through
 651
 652                     case wxITEM_NORMAL:
 653                         button.fsStyle = TBSTYLE_BUTTON;
 654                 }
 655
 656                 bitmapId++;
 657                 break;
 658         }
 659
 660         lastWasRadio = isRadio;
 661
 662         i++;
 663     }
 664
 665     if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)buttons) )
 666     {
 667         wxLogLastError(wxT("TB_ADDBUTTONS"));
 668     }
 669
 670     delete [] buttons;
 671
 672     // Deal with the controls finally
 673     // ------------------------------
 674
 675     // adjust the controls size to fit nicely in the toolbar
 676     int y = 0;
 677     size_t index = 0;
 678     for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
 679     {
 680         wxToolBarToolBase *tool = node->GetData();
 681
 682         // we calculate the running y coord for vertical toolbars so we need to
 683         // get the items size for all items but for the horizontal ones we
 684         // don't need to deal with the non controls
 685         bool isControl = tool->IsControl();
 686         if ( !isControl && !isVertical )
 687             continue;
 688
 689         // note that we use TB_GETITEMRECT and not TB_GETRECT because the
 690         // latter only appeared in v4.70 of comctl32.dll
 691         RECT r;
 692         if ( !SendMessage(GetHwnd(), TB_GETITEMRECT,
 693                           index, (LPARAM)(LPRECT)&r) )
 694         {
 695             wxLogLastError(wxT("TB_GETITEMRECT"));
 696         }
 697
 698         if ( !isControl )
 699         {
 700             // can only be control if isVertical
 701             y += r.bottom - r.top;
 702
 703             continue;
 704         }
 705
 706         wxControl *control = tool->GetControl();
 707
 708         wxSize size = control->GetSize();
 709
 710         // the position of the leftmost controls corner
 711         int left = -1;
 712
 713         // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
 714 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
 715         // available in headers, now check whether it is available now
 716         // (during run-time)
 717         if ( wxTheApp->GetComCtl32Version() >= 471 )
 718         {
 719             // set the (underlying) separators width to be that of the
 720             // control
 721             TBBUTTONINFO tbbi;
 722             tbbi.cbSize = sizeof(tbbi);
 723             tbbi.dwMask = TBIF_SIZE;
 724             tbbi.cx = size.x;
 725             if ( !SendMessage(GetHwnd(), TB_SETBUTTONINFO,
 726                               tool->GetId(), (LPARAM)&tbbi) )
 727             {
 728                 // the id is probably invalid?
 729                 wxLogLastError(wxT("TB_SETBUTTONINFO"));
 730             }
 731         }
 732         else
 733 #endif // comctl32.dll 4.71
 734         // TB_SETBUTTONINFO unavailable
 735         {
 736             // try adding several separators to fit the controls width
 737             int widthSep = r.right - r.left;
 738             left = r.left;
 739
 740             TBBUTTON tbb;
 741             wxZeroMemory(tbb);
 742             tbb.idCommand = 0;
 743             tbb.fsState = TBSTATE_ENABLED;
 744             tbb.fsStyle = TBSTYLE_SEP;
 745
 746             size_t nSeparators = size.x / widthSep;
 747             for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
 748             {
 749                 if ( !SendMessage(GetHwnd(), TB_INSERTBUTTON,
 750                                   index, (LPARAM)&tbb) )
 751                 {
 752                     wxLogLastError(wxT("TB_INSERTBUTTON"));
 753                 }
 754
 755                 index++;
 756             }
 757
 758             // remember the number of separators we used - we'd have to
 759             // delete all of them later
 760             ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
 761
 762             // adjust the controls width to exactly cover the separators
 763             control->SetSize((nSeparators + 1)*widthSep, -1);
 764         }
 765
 766         // position the control itself correctly vertically
 767         int height = r.bottom - r.top;
 768         int diff = height - size.y;
 769         if ( diff < 0 )
 770         {
 771             // the control is too high, resize to fit
 772             control->SetSize(-1, height - 2);
 773
 774             diff = 2;
 775         }
 776
 777         int top;
 778         if ( isVertical )
 779         {
 780             left = 0;
 781             top = y;
 782
 783             y += height + 2*GetMargins().y;
 784         }
 785         else // horizontal toolbar
 786         {
 787             if ( left == -1 )
 788                 left = r.left;
 789
 790             top = r.top;
 791         }
 792
 793         control->Move(left, top + (diff + 1) / 2);
 794     }
 795
 796     // the max index is the "real" number of buttons - i.e. counting even the
 797     // separators which we added just for aligning the controls
 798     m_nButtons = index;
 799
 800     if ( !isVertical )
 801     {
 802         if ( m_maxRows == 0 )
 803         {
 804             // if not set yet, only one row
 805             SetRows(1);
 806         }
 807     }
 808     else if ( m_nButtons > 0 ) // vertical non empty toolbar
 809     {
 810         if ( m_maxRows == 0 )
 811         {
 812             // if not set yet, have one column
 813             SetRows(m_nButtons);
 814         }
 815     }
 816
 817     return TRUE;
 818 }
 819
 820 // ----------------------------------------------------------------------------
 821 // message handlers
 822 // ----------------------------------------------------------------------------
 823
 824 bool wxToolBar::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD id)
 825 {
 826     wxToolBarToolBase *tool = FindById((int)id);
 827     if ( !tool )
 828         return FALSE;
 829
 830     if ( tool->CanBeToggled() )
 831     {
 832         LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
 833         tool->Toggle((state & TBSTATE_CHECKED) != 0);
 834     }
 835
 836     bool toggled = tool->IsToggled();
 837
 838     // avoid sending the event when a radio button is released, this is not
 839     // interesting
 840     if ( !tool->CanBeToggled() || tool->GetKind() != wxITEM_RADIO || toggled )
 841     {
 842         // OnLeftClick() can veto the button state change - for buttons which
 843         // may be toggled only, of couse
 844         if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
 845         {
 846             // revert back
 847             toggled = !toggled;
 848             tool->SetToggle(toggled);
 849
 850             ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(toggled, 0));
 851         }
 852     }
 853
 854     return TRUE;
 855 }
 856
 857 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
 858                             WXLPARAM lParam,
 859                             WXLPARAM *WXUNUSED(result))
 860 {
 861 #if wxUSE_TOOLTIPS
 862     // First check if this applies to us
 863     NMHDR *hdr = (NMHDR *)lParam;
 864
 865     // the tooltips control created by the toolbar is sometimes Unicode, even
 866     // in an ANSI application - this seems to be a bug in comctl32.dll v5
 867     UINT code = hdr->code;
 868     if ( (code != (UINT) TTN_NEEDTEXTA) && (code != (UINT) TTN_NEEDTEXTW) )
 869         return FALSE;
 870
 871     HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
 872     if ( toolTipWnd != hdr->hwndFrom )
 873         return FALSE;
 874
 875     LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
 876     int id = (int)ttText->hdr.idFrom;
 877
 878     wxToolBarToolBase *tool = FindById(id);
 879     if ( !tool )
 880         return FALSE;
 881
 882     return HandleTooltipNotify(code, lParam, tool->GetShortHelp());
 883 #else
 884     return FALSE;
 885 #endif
 886 }
 887
 888 // ----------------------------------------------------------------------------
 889 // toolbar geometry
 890 // ----------------------------------------------------------------------------
 891
 892 void wxToolBar::SetToolBitmapSize(const wxSize& size)
 893 {
 894     wxToolBarBase::SetToolBitmapSize(size);
 895
 896     ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
 897 }
 898
 899 void wxToolBar::SetRows(int nRows)
 900 {
 901     if ( nRows == m_maxRows )
 902     {
 903         // avoid resizing the frame uselessly
 904         return;
 905     }
 906
 907     // TRUE in wParam means to create at least as many rows, FALSE -
 908     // at most as many
 909     RECT rect;
 910     ::SendMessage(GetHwnd(), TB_SETROWS,
 911                   MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
 912                   (LPARAM) &rect);
 913
 914     m_maxRows = nRows;
 915
 916     UpdateSize();
 917 }
 918
 919 // The button size is bigger than the bitmap size
 920 wxSize wxToolBar::GetToolSize() const
 921 {
 922     // TB_GETBUTTONSIZE is supported from version 4.70
 923 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 ) \
 924     && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
 925     if ( wxTheApp->GetComCtl32Version() >= 470 )
 926     {
 927         DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
 928
 929         return wxSize(LOWORD(dw), HIWORD(dw));
 930     }
 931     else
 932 #endif // comctl32.dll 4.70+
 933     {
 934         // defaults
 935         return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
 936     }
 937 }
 938
 939 static
 940 wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
 941                                                size_t index )
 942 {
 943     wxToolBarToolsList::Node* current = tools.GetFirst();
 944
 945     for ( ; current != 0; current = current->GetNext() )
 946     {
 947         if ( index == 0 )
 948             return current->GetData();
 949
 950         wxToolBarTool *tool = (wxToolBarTool *)current->GetData();
 951         size_t separators = tool->GetSeparatorsCount();
 952
 953         // if it is a normal button, sepcount == 0, so skip 1 item (the button)
 954         // otherwise, skip as many items as the separator count, plus the
 955         // control itself
 956         index -= separators ? separators + 1 : 1;
 957     }
 958
 959     return 0;
 960 }
 961
 962 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
 963 {
 964     POINT pt;
 965     pt.x = x;
 966     pt.y = y;
 967     int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
 968     // MBN: when the point ( x, y ) is close to the toolbar border
 969     //      TB_HITTEST returns m_nButtons ( not -1 )
 970     if ( index < 0 || (size_t)index >= m_nButtons )
 971     {
 972         // it's a separator or there is no tool at all there
 973         return (wxToolBarToolBase *)NULL;
 974     }
 975
 976     // if comctl32 version < 4.71 wxToolBar95 adds dummy spacers
 977 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
 978     if ( wxTheApp->GetComCtl32Version() >= 471 )
 979     {
 980         return m_tools.Item((size_t)index)->GetData();
 981     }
 982     else
 983 #endif
 984     {
 985         return GetItemSkippingDummySpacers( m_tools, (size_t) index );
 986     }
 987 }
 988
 989 void wxToolBar::UpdateSize()
 990 {
 991     // the toolbar size changed
 992     SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
 993
 994     // we must also refresh the frame after the toolbar size (possibly) changed
 995     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 996     if ( frame )
 997     {
 998         frame->SendSizeEvent();
 999     }
1000 }
1001
1002 // ----------------------------------------------------------------------------
1003 // toolbar styles
1004 // ---------------------------------------------------------------------------
1005
1006 void wxToolBar::SetWindowStyleFlag(long style)
1007 {
1008     // there doesn't seem to be any reasonably simple way to prevent the
1009     // toolbar from showing the icons so for now we don't honour wxTB_NOICONS
1010     if ( (style & wxTB_TEXT) != (GetWindowStyle() & wxTB_TEXT) )
1011     {
1012         // update the strings of all toolbar buttons
1013         //
1014         // NB: we can only do it using TB_SETBUTTONINFO which is available
1015         //     in comctl32.dll >= 4.71 only
1016 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
1017         if ( wxTheApp->GetComCtl32Version() >= 471 )
1018         {
1019             // set the (underlying) separators width to be that of the
1020             // control
1021             TBBUTTONINFO tbbi;
1022             tbbi.cbSize = sizeof(tbbi);
1023             tbbi.dwMask = TBIF_TEXT;
1024             if ( !(style & wxTB_TEXT) )
1025             {
1026                 // don't show the text - remove the labels
1027                 tbbi.pszText = NULL;
1028             }
1029
1030             for ( wxToolBarToolsList::Node *node = m_tools.GetFirst();
1031                   node;
1032                   node = node->GetNext() )
1033             {
1034                 wxToolBarToolBase *tool = node->GetData();
1035                 if ( !tool->IsButton() )
1036                 {
1037                     continue;
1038                 }
1039
1040                 if ( style & wxTB_TEXT )
1041                 {
1042                     // cast is harmless
1043                     tbbi.pszText = (wxChar *)tool->GetLabel().c_str();
1044                 }
1045
1046                 if ( !SendMessage(GetHwnd(), TB_SETBUTTONINFO,
1047                                   tool->GetId(), (LPARAM)&tbbi) )
1048                 {
1049                     // the id is probably invalid?
1050                     wxLogLastError(wxT("TB_SETBUTTONINFO"));
1051                 }
1052             }
1053
1054             UpdateSize();
1055             Refresh();
1056         }
1057 #endif // comctl32.dll 4.71
1058     }
1059
1060     wxToolBarBase::SetWindowStyleFlag(style);
1061 }
1062
1063 // ----------------------------------------------------------------------------
1064 // tool state
1065 // ----------------------------------------------------------------------------
1066
1067 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
1068 {
1069     ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
1070                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
1071 }
1072
1073 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
1074 {
1075     ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
1076                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
1077 }
1078
1079 void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
1080 {
1081     // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
1082     //     without, so we really need to delete the button and recreate it here
1083     wxFAIL_MSG( _T("not implemented") );
1084 }
1085
1086 // ----------------------------------------------------------------------------
1087 // event handlers
1088 // ----------------------------------------------------------------------------
1089
1090 // Responds to colour changes, and passes event on to children.
1091 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
1092 {
1093     wxRGBToColour(m_backgroundColour, ::GetSysColor(COLOR_BTNFACE));
1094
1095     // Remap the buttons
1096     Realize();
1097
1098     // Relayout the toolbar
1099     int nrows = m_maxRows;
1100     m_maxRows = 0;      // otherwise SetRows() wouldn't do anything
1101     SetRows(nrows);
1102
1103     Refresh();
1104
1105     // let the event propagate further
1106     event.Skip();
1107 }
1108
1109 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
1110 {
1111     if (event.Leaving() && m_pInTool)
1112     {
1113         OnMouseEnter( -1 );
1114         event.Skip();
1115         return;
1116     }
1117
1118     if (event.RightDown())
1119     {
1120         // For now, we don't have an id. Later we could
1121         // try finding the tool.
1122         OnRightClick((int)-1, event.GetX(), event.GetY());
1123     }
1124     else
1125     {
1126         event.Skip();
1127     }
1128 }
1129
1130 bool wxToolBar::HandleSize(WXWPARAM wParam, WXLPARAM lParam)
1131 {
1132     // calculate our minor dimenstion ourselves - we're confusing the standard
1133     // logic (TB_AUTOSIZE) with our horizontal toolbars and other hacks
1134     RECT r;
1135     if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
1136     {
1137         int w, h;
1138
1139         if ( GetWindowStyle() & wxTB_VERTICAL )
1140         {
1141             w = r.right - r.left;
1142             if ( m_maxRows )
1143             {
1144                 w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
1145             }
1146             h = HIWORD(lParam);
1147         }
1148         else
1149         {
1150             w = LOWORD(lParam);
1151             if (HasFlag( wxTB_FLAT ))
1152                 h = r.bottom - r.top - 3;
1153             else
1154                 h = r.bottom - r.top;
1155             if ( m_maxRows )
1156             {
1157                 // FIXME: 6 is hardcoded separator line height...
1158                 //h += 6;
1159                 if (HasFlag(wxTB_NODIVIDER))
1160                     h += 3;
1161                 else
1162                     h += 6;
1163                 h *= m_maxRows;
1164             }
1165         }
1166
1167         if ( MAKELPARAM(w, h) != lParam )
1168         {
1169             // size really changed
1170             SetSize(w, h);
1171         }
1172
1173         // message processed
1174         return TRUE;
1175     }
1176
1177     return FALSE;
1178 }
1179
1180 bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
1181 {
1182     // erase any dummy separators which we used for aligning the controls if
1183     // any here
1184
1185     // first of all, do we have any controls at all?
1186     wxToolBarToolsList::Node *node;
1187     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1188     {
1189         if ( node->GetData()->IsControl() )
1190             break;
1191     }
1192
1193     if ( !node )
1194     {
1195         // no controls, nothing to erase
1196         return FALSE;
1197     }
1198
1199     // prepare the DC on which we'll be drawing
1200     wxClientDC dc(this);
1201     dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
1202     dc.SetPen(*wxTRANSPARENT_PEN);
1203
1204     RECT r;
1205     if ( !GetUpdateRect(GetHwnd(), &r, FALSE) )
1206     {
1207         // nothing to redraw anyhow
1208         return FALSE;
1209     }
1210
1211     wxRect rectUpdate;
1212     wxCopyRECTToRect(r, rectUpdate);
1213
1214     dc.SetClippingRegion(rectUpdate);
1215
1216     // draw the toolbar tools, separators &c normally
1217     wxControl::MSWWindowProc(WM_PAINT, wParam, lParam);
1218
1219     // for each control in the toolbar find all the separators intersecting it
1220     // and erase them
1221     //
1222     // NB: this is really the only way to do it as we don't know if a separator
1223     //     corresponds to a control (i.e. is a dummy one) or a real one
1224     //     otherwise
1225     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1226     {
1227         wxToolBarToolBase *tool = node->GetData();
1228         if ( tool->IsControl() )
1229         {
1230             // get the control rect in our client coords
1231             wxControl *control = tool->GetControl();
1232             wxRect rectCtrl = control->GetRect();
1233
1234             // iterate over all buttons
1235             TBBUTTON tbb;
1236             int count = ::SendMessage(GetHwnd(), TB_BUTTONCOUNT, 0, 0);
1237             for ( int n = 0; n < count; n++ )
1238             {
1239                 // is it a separator?
1240                 if ( !::SendMessage(GetHwnd(), TB_GETBUTTON,
1241                                     n, (LPARAM)&tbb) )
1242                 {
1243                     wxLogDebug(_T("TB_GETBUTTON failed?"));
1244
1245                     continue;
1246                 }
1247
1248                 if ( tbb.fsStyle != TBSTYLE_SEP )
1249                     continue;
1250
1251                 // get the bounding rect of the separator
1252                 RECT r;
1253                 if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
1254                                     n, (LPARAM)&r) )
1255                 {
1256                     wxLogDebug(_T("TB_GETITEMRECT failed?"));
1257
1258                     continue;
1259                 }
1260
1261                 // does it intersect the control?
1262                 wxRect rectItem;
1263                 wxCopyRECTToRect(r, rectItem);
1264                 if ( rectCtrl.Intersects(rectItem) )
1265                 {
1266                     // yes, do erase it!
1267                     dc.DrawRectangle(rectItem);
1268                 }
1269             }
1270         }
1271     }
1272
1273     return TRUE;
1274 }
1275
1276 void wxToolBar::HandleMouseMove(WXWPARAM wParam, WXLPARAM lParam)
1277 {
1278     wxCoord x = GET_X_LPARAM(lParam),
1279             y = GET_Y_LPARAM(lParam);
1280     wxToolBarToolBase* tool = FindToolForPosition( x, y );
1281
1282     // cursor left current tool
1283     if( tool != m_pInTool && !tool )
1284     {
1285         m_pInTool = 0;
1286         OnMouseEnter( -1 );
1287     }
1288
1289     // cursor entered a tool
1290     if( tool != m_pInTool && tool )
1291     {
1292         m_pInTool = tool;
1293         OnMouseEnter( tool->GetId() );
1294     }
1295 }
1296
1297 long wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1298 {
1299     switch ( nMsg )
1300     {
1301         case WM_SIZE:
1302             if ( HandleSize(wParam, lParam) )
1303                 return 0;
1304             break;
1305
1306         case WM_MOUSEMOVE:
1307             // we don't handle mouse moves, so always pass the message to
1308             // wxControl::MSWWindowProc
1309             HandleMouseMove(wParam, lParam);
1310             break;
1311
1312         case WM_PAINT:
1313             if ( HandlePaint(wParam, lParam) )
1314                 return 0;
1315     }
1316
1317     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1318 }
1319
1320 // ----------------------------------------------------------------------------
1321 // private functions
1322 // ----------------------------------------------------------------------------
1323
1324 WXHBITMAP wxToolBar::MapBitmap(WXHBITMAP bitmap, int width, int height)
1325 {
1326     MemoryHDC hdcMem;
1327
1328     if ( !hdcMem )
1329     {
1330         wxLogLastError(_T("CreateCompatibleDC"));
1331
1332         return bitmap;
1333     }
1334
1335     SelectInHDC bmpInHDC(hdcMem, (HBITMAP)bitmap);
1336
1337     if ( !bmpInHDC )
1338     {
1339         wxLogLastError(_T("SelectObject"));
1340
1341         return bitmap;
1342     }
1343
1344     wxCOLORMAP *cmap = wxGetStdColourMap();
1345
1346     for ( int i = 0; i < width; i++ )
1347     {
1348         for ( int j = 0; j < height; j++ )
1349         {
1350             COLORREF pixel = ::GetPixel(hdcMem, i, j);
1351
1352             for ( size_t k = 0; k < wxSTD_COL_MAX; k++ )
1353             {
1354                 COLORREF col = cmap[k].from;
1355                 if ( abs(GetRValue(pixel) - GetRValue(col)) < 10 &&
1356                      abs(GetGValue(pixel) - GetGValue(col)) < 10 &&
1357                      abs(GetBValue(pixel) - GetBValue(col)) < 10 )
1358                 {
1359                     ::SetPixel(hdcMem, i, j, cmap[k].to);
1360                     break;
1361                 }
1362             }
1363         }
1364     }
1365
1366     return bitmap;
1367
1368     // VZ: I leave here my attempts to map the bitmap to the system colours
1369     //     faster by using BitBlt() even though it's broken currently - but
1370     //     maybe someone else can finish it? It should be faster than iterating
1371     //     over all pixels...
1372 #if 0
1373     MemoryHDC hdcMask, hdcDst;
1374     if ( !hdcMask || !hdcDst )
1375     {
1376         wxLogLastError(_T("CreateCompatibleDC"));
1377
1378         return bitmap;
1379     }
1380
1381     // create the target bitmap
1382     HBITMAP hbmpDst = ::CreateCompatibleBitmap(hdcDst, width, height);
1383     if ( !hbmpDst )
1384     {
1385         wxLogLastError(_T("CreateCompatibleBitmap"));
1386
1387         return bitmap;
1388     }
1389
1390     // create the monochrome mask bitmap
1391     HBITMAP hbmpMask = ::CreateBitmap(width, height, 1, 1, 0);
1392     if ( !hbmpMask )
1393     {
1394         wxLogLastError(_T("CreateBitmap(mono)"));
1395
1396         ::DeleteObject(hbmpDst);
1397
1398         return bitmap;
1399     }
1400
1401     SelectInHDC bmpInDst(hdcDst, hbmpDst),
1402                 bmpInMask(hdcMask, hbmpMask);
1403
1404     // for each colour:
1405     for ( n = 0; n < NUM_OF_MAPPED_COLOURS; n++ )
1406     {
1407         // create the mask for this colour
1408         ::SetBkColor(hdcMem, ColorMap[n].from);
1409         ::BitBlt(hdcMask, 0, 0, width, height, hdcMem, 0, 0, SRCCOPY);
1410
1411         // replace this colour with the target one in the dst bitmap
1412         HBRUSH hbr = ::CreateSolidBrush(ColorMap[n].to);
1413         HGDIOBJ hbrOld = ::SelectObject(hdcDst, hbr);
1414
1415         ::MaskBlt(hdcDst, 0, 0, width, height,
1416                   hdcMem, 0, 0,
1417                   hbmpMask, 0, 0,
1418                   MAKEROP4(PATCOPY, SRCCOPY));
1419
1420         (void)::SelectObject(hdcDst, hbrOld);
1421         ::DeleteObject(hbr);
1422     }
1423
1424     ::DeleteObject((HBITMAP)bitmap);
1425
1426     return (WXHBITMAP)hbmpDst;
1427 #endif // 0
1428 }
1429
1430 #endif // wxUSE_TOOLBAR && Win95
1431