src/msw/tbar95.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_TOOLBAR && wxUSE_TOOLBAR_NATIVE && !defined(__SMARTPHONE__)
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/dynarray.h"
  31     #include "wx/frame.h"
  32     #include "wx/log.h"
  33     #include "wx/intl.h"
  34     #include "wx/settings.h"
  35     #include "wx/bitmap.h"
  36     #include "wx/dcmemory.h"
  37     #include "wx/control.h"
  38     #include "wx/app.h"         // for GetComCtl32Version
  39 #endif
  40
  41 #include "wx/toolbar.h"
  42 #include "wx/sysopt.h"
  43 #include "wx/image.h"
  44
  45 #include "wx/msw/private.h"
  46
  47 #if wxUSE_UXTHEME
  48 #include "wx/msw/uxtheme.h"
  49 #endif
  50
  51 // include <commctrl.h> "properly"
  52 #include "wx/msw/wrapcctl.h"
  53
  54 // this define controls whether the code for button colours remapping (only
  55 // useful for 16 or 256 colour images) is active at all, it's always turned off
  56 // for CE where it doesn't compile (and is probably not needed anyhow) and may
  57 // also be turned off for other systems if you always use 24bpp images and so
  58 // never need it
  59 #ifndef __WXWINCE__
  60     #define wxREMAP_BUTTON_COLOURS
  61 #endif // !__WXWINCE__
  62
  63 // ----------------------------------------------------------------------------
  64 // constants
  65 // ----------------------------------------------------------------------------
  66
  67 // these standard constants are not always defined in compilers headers
  68
  69 // Styles
  70 #ifndef TBSTYLE_FLAT
  71     #define TBSTYLE_LIST            0x1000
  72     #define TBSTYLE_FLAT            0x0800
  73 #endif
  74
  75 #ifndef TBSTYLE_TRANSPARENT
  76     #define TBSTYLE_TRANSPARENT     0x8000
  77 #endif
  78
  79 #ifndef TBSTYLE_TOOLTIPS
  80     #define TBSTYLE_TOOLTIPS        0x0100
  81 #endif
  82
  83 // Messages
  84 #ifndef TB_GETSTYLE
  85     #define TB_SETSTYLE             (WM_USER + 56)
  86     #define TB_GETSTYLE             (WM_USER + 57)
  87 #endif
  88
  89 #ifndef TB_HITTEST
  90     #define TB_HITTEST              (WM_USER + 69)
  91 #endif
  92
  93 #ifndef TB_GETMAXSIZE
  94     #define TB_GETMAXSIZE           (WM_USER + 83)
  95 #endif
  96
  97 // these values correspond to those used by comctl32.dll
  98 #define DEFAULTBITMAPX   16
  99 #define DEFAULTBITMAPY   15
 100
 101 // ----------------------------------------------------------------------------
 102 // wxWin macros
 103 // ----------------------------------------------------------------------------
 104
 105 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
 106
 107 /*
 108     TOOLBAR PROPERTIES
 109         tool
 110             bitmap
 111             bitmap2
 112             tooltip
 113             longhelp
 114             radio (bool)
 115             toggle (bool)
 116         separator
 117         style ( wxNO_BORDER | wxTB_HORIZONTAL)
 118         bitmapsize
 119         margins
 120         packing
 121         separation
 122
 123         dontattachtoframe
 124 */
 125
 126 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
 127     EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
 128     EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
 129     EVT_ERASE_BACKGROUND(wxToolBar::OnEraseBackground)
 130 END_EVENT_TABLE()
 131
 132 // ----------------------------------------------------------------------------
 133 // private classes
 134 // ----------------------------------------------------------------------------
 135
 136 class wxToolBarTool : public wxToolBarToolBase
 137 {
 138 public:
 139     wxToolBarTool(wxToolBar *tbar,
 140                   int id,
 141                   const wxString& label,
 142                   const wxBitmap& bmpNormal,
 143                   const wxBitmap& bmpDisabled,
 144                   wxItemKind kind,
 145                   wxObject *clientData,
 146                   const wxString& shortHelp,
 147                   const wxString& longHelp)
 148         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
 149                             clientData, shortHelp, longHelp)
 150     {
 151         m_nSepCount = 0;
 152     }
 153
 154     wxToolBarTool(wxToolBar *tbar, wxControl *control)
 155         : wxToolBarToolBase(tbar, control)
 156     {
 157         m_nSepCount = 1;
 158     }
 159
 160     virtual void SetLabel(const wxString& label)
 161     {
 162         if ( label == m_label )
 163             return;
 164
 165         wxToolBarToolBase::SetLabel(label);
 166
 167         // we need to update the label shown in the toolbar because it has a
 168         // pointer to the internal buffer of the old label
 169         //
 170         // TODO: use TB_SETBUTTONINFO
 171     }
 172
 173     // set/get the number of separators which we use to cover the space used by
 174     // a control in the toolbar
 175     void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
 176     size_t GetSeparatorsCount() const { return m_nSepCount; }
 177
 178 private:
 179     size_t m_nSepCount;
 180
 181     DECLARE_NO_COPY_CLASS(wxToolBarTool)
 182 };
 183
 184
 185 // ============================================================================
 186 // implementation
 187 // ============================================================================
 188
 189 // ----------------------------------------------------------------------------
 190 // wxToolBarTool
 191 // ----------------------------------------------------------------------------
 192
 193 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 194                                          const wxString& label,
 195                                          const wxBitmap& bmpNormal,
 196                                          const wxBitmap& bmpDisabled,
 197                                          wxItemKind kind,
 198                                          wxObject *clientData,
 199                                          const wxString& shortHelp,
 200                                          const wxString& longHelp)
 201 {
 202     return new wxToolBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
 203                              clientData, shortHelp, longHelp);
 204 }
 205
 206 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 207 {
 208     return new wxToolBarTool(this, control);
 209 }
 210
 211 // ----------------------------------------------------------------------------
 212 // wxToolBar construction
 213 // ----------------------------------------------------------------------------
 214
 215 void wxToolBar::Init()
 216 {
 217     m_hBitmap = 0;
 218     m_disabledImgList = NULL;
 219
 220     m_nButtons = 0;
 221
 222     m_defaultWidth = DEFAULTBITMAPX;
 223     m_defaultHeight = DEFAULTBITMAPY;
 224
 225     m_pInTool = 0;
 226 }
 227
 228 bool wxToolBar::Create(wxWindow *parent,
 229                        wxWindowID id,
 230                        const wxPoint& pos,
 231                        const wxSize& size,
 232                        long style,
 233                        const wxString& name)
 234 {
 235     // common initialisation
 236     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 237         return false;
 238
 239     // MSW-specific initialisation
 240     if ( !MSWCreateToolbar(pos, size) )
 241         return false;
 242
 243     wxSetCCUnicodeFormat(GetHwnd());
 244
 245     // workaround for flat toolbar on Windows XP classic style: we have to set
 246     // the style after creating the control; doing it at creation time doesn't work
 247 #if wxUSE_UXTHEME
 248     if ( style & wxTB_FLAT )
 249     {
 250         LRESULT style = ::SendMessage(GetHwnd(), TB_GETSTYLE, 0, 0L);
 251
 252         if ( !(style & TBSTYLE_FLAT) )
 253             ::SendMessage(GetHwnd(), TB_SETSTYLE, 0, style | TBSTYLE_FLAT);
 254     }
 255 #endif // wxUSE_UXTHEME
 256
 257     return true;
 258 }
 259
 260 bool wxToolBar::MSWCreateToolbar(const wxPoint& pos, const wxSize& size)
 261 {
 262     if ( !MSWCreateControl(TOOLBARCLASSNAME, wxEmptyString, pos, size) )
 263         return false;
 264
 265     // toolbar-specific post initialisation
 266     ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 267
 268     return true;
 269 }
 270
 271 void wxToolBar::Recreate()
 272 {
 273     const HWND hwndOld = GetHwnd();
 274     if ( !hwndOld )
 275     {
 276         // we haven't been created yet, no need to recreate
 277         return;
 278     }
 279
 280     // get the position and size before unsubclassing the old toolbar
 281     const wxPoint pos = GetPosition();
 282     const wxSize size = GetSize();
 283
 284     UnsubclassWin();
 285
 286     if ( !MSWCreateToolbar(pos, size) )
 287     {
 288         // what can we do?
 289         wxFAIL_MSG( _T("recreating the toolbar failed") );
 290
 291         return;
 292     }
 293
 294     // reparent all our children under the new toolbar
 295     for ( wxWindowList::compatibility_iterator node = m_children.GetFirst();
 296           node;
 297           node = node->GetNext() )
 298     {
 299         wxWindow *win = node->GetData();
 300         if ( !win->IsTopLevel() )
 301             ::SetParent(GetHwndOf(win), GetHwnd());
 302     }
 303
 304     // only destroy the old toolbar now --
 305     // after all the children had been reparented
 306     ::DestroyWindow(hwndOld);
 307
 308     // it is for the old bitmap control and can't be used with the new one
 309     if ( m_hBitmap )
 310     {
 311         ::DeleteObject((HBITMAP) m_hBitmap);
 312         m_hBitmap = 0;
 313     }
 314
 315     if ( m_disabledImgList )
 316     {
 317         delete m_disabledImgList;
 318         m_disabledImgList = NULL;
 319     }
 320
 321     Realize();
 322 }
 323
 324 wxToolBar::~wxToolBar()
 325 {
 326     // we must refresh the frame size when the toolbar is deleted but the frame
 327     // is not - otherwise toolbar leaves a hole in the place it used to occupy
 328     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 329     if ( frame && !frame->IsBeingDeleted() )
 330         frame->SendSizeEvent();
 331
 332     if ( m_hBitmap )
 333         ::DeleteObject((HBITMAP) m_hBitmap);
 334
 335     delete m_disabledImgList;
 336 }
 337
 338 wxSize wxToolBar::DoGetBestSize() const
 339 {
 340     wxSize sizeBest;
 341
 342     SIZE size;
 343     if ( !::SendMessage(GetHwnd(), TB_GETMAXSIZE, 0, (LPARAM)&size) )
 344     {
 345         // maybe an old (< 0x400) Windows version? try to approximate the
 346         // toolbar size ourselves
 347         sizeBest = GetToolSize();
 348         sizeBest.y += 2 * ::GetSystemMetrics(SM_CYBORDER); // Add borders
 349         sizeBest.x *= GetToolsCount();
 350
 351         // reverse horz and vertical components if necessary
 352         if ( HasFlag(wxTB_VERTICAL) )
 353         {
 354             int t = sizeBest.x;
 355             sizeBest.x = sizeBest.y;
 356             sizeBest.y = t;
 357         }
 358     }
 359     else
 360     {
 361         sizeBest.x = size.cx;
 362         sizeBest.y = size.cy;
 363     }
 364
 365     CacheBestSize(sizeBest);
 366
 367     return sizeBest;
 368 }
 369
 370 WXDWORD wxToolBar::MSWGetStyle(long style, WXDWORD *exstyle) const
 371 {
 372     // toolbars never have border, giving one to them results in broken
 373     // appearance
 374     WXDWORD msStyle = wxControl::MSWGetStyle
 375                       (
 376                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
 377                       );
 378
 379     if ( !(style & wxTB_NO_TOOLTIPS) )
 380         msStyle |= TBSTYLE_TOOLTIPS;
 381
 382     if ( style & (wxTB_FLAT | wxTB_HORZ_LAYOUT) )
 383     {
 384         // static as it doesn't change during the program lifetime
 385         static int s_verComCtl = wxApp::GetComCtl32Version();
 386
 387         // comctl32.dll 4.00 doesn't support the flat toolbars and using this
 388         // style with 6.00 (part of Windows XP) leads to the toolbar with
 389         // incorrect background colour - and not using it still results in the
 390         // correct (flat) toolbar, so don't use it there
 391         if ( s_verComCtl > 400 && s_verComCtl < 600 )
 392             msStyle |= TBSTYLE_FLAT | TBSTYLE_TRANSPARENT;
 393
 394         if ( s_verComCtl >= 470 && style & wxTB_HORZ_LAYOUT )
 395             msStyle |= TBSTYLE_LIST;
 396     }
 397
 398     if ( style & wxTB_NODIVIDER )
 399         msStyle |= CCS_NODIVIDER;
 400
 401     if ( style & wxTB_NOALIGN )
 402         msStyle |= CCS_NOPARENTALIGN;
 403
 404     if ( style & wxTB_VERTICAL )
 405         msStyle |= CCS_VERT;
 406
 407     return msStyle;
 408 }
 409
 410 // ----------------------------------------------------------------------------
 411 // adding/removing tools
 412 // ----------------------------------------------------------------------------
 413
 414 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 415 {
 416     // nothing special to do here - we really create the toolbar buttons in
 417     // Realize() later
 418     tool->Attach(this);
 419
 420     InvalidateBestSize();
 421     return true;
 422 }
 423
 424 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
 425 {
 426     // the main difficulty we have here is with the controls in the toolbars:
 427     // as we (sometimes) use several separators to cover up the space used by
 428     // them, the indices are not the same for us and the toolbar
 429
 430     // first determine the position of the first button to delete: it may be
 431     // different from pos if we use several separators to cover the space used
 432     // by a control
 433     wxToolBarToolsList::compatibility_iterator node;
 434     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 435     {
 436         wxToolBarToolBase *tool2 = node->GetData();
 437         if ( tool2 == tool )
 438         {
 439             // let node point to the next node in the list
 440             node = node->GetNext();
 441
 442             break;
 443         }
 444
 445         if ( tool2->IsControl() )
 446             pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount() - 1;
 447     }
 448
 449     // now determine the number of buttons to delete and the area taken by them
 450     size_t nButtonsToDelete = 1;
 451
 452     // get the size of the button we're going to delete
 453     RECT r;
 454     if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
 455     {
 456         wxLogLastError(_T("TB_GETITEMRECT"));
 457     }
 458
 459     int width = r.right - r.left;
 460
 461     if ( tool->IsControl() )
 462     {
 463         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
 464         width *= nButtonsToDelete;
 465         tool->GetControl()->Destroy();
 466     }
 467
 468     // do delete all buttons
 469     m_nButtons -= nButtonsToDelete;
 470     while ( nButtonsToDelete-- > 0 )
 471     {
 472         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
 473         {
 474             wxLogLastError(wxT("TB_DELETEBUTTON"));
 475
 476             return false;
 477         }
 478     }
 479
 480     tool->Detach();
 481
 482     // and finally reposition all the controls after this button (the toolbar
 483     // takes care of all normal items)
 484     for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
 485     {
 486         wxToolBarToolBase *tool2 = node->GetData();
 487         if ( tool2->IsControl() )
 488         {
 489             int x;
 490             wxControl *control = tool2->GetControl();
 491             control->GetPosition(&x, NULL);
 492             control->Move(x - width, wxDefaultCoord);
 493         }
 494     }
 495
 496     InvalidateBestSize();
 497
 498     return true;
 499 }
 500
 501 void wxToolBar::CreateDisabledImageList()
 502 {
 503     if (m_disabledImgList != NULL)
 504     {
 505         delete m_disabledImgList;
 506         m_disabledImgList = NULL;
 507     }
 508
 509     // as we can't use disabled image list with older versions of comctl32.dll,
 510     // don't even bother creating it
 511     if ( wxApp::GetComCtl32Version() >= 470 )
 512     {
 513         // search for the first disabled button img in the toolbar, if any
 514         for ( wxToolBarToolsList::compatibility_iterator
 515                 node = m_tools.GetFirst(); node; node = node->GetNext() )
 516         {
 517             wxToolBarToolBase *tool = node->GetData();
 518             wxBitmap bmpDisabled = tool->GetDisabledBitmap();
 519             if ( bmpDisabled.Ok() )
 520             {
 521                 m_disabledImgList = new wxImageList
 522                                         (
 523                                             m_defaultWidth,
 524                                             m_defaultHeight,
 525                                             bmpDisabled.GetMask() != NULL,
 526                                             GetToolsCount()
 527                                         );
 528                 break;
 529             }
 530         }
 531
 532         // we don't have any disabled bitmaps
 533     }
 534 }
 535
 536 bool wxToolBar::Realize()
 537 {
 538     const size_t nTools = GetToolsCount();
 539     if ( nTools == 0 )
 540         // nothing to do
 541         return true;
 542
 543     const bool isVertical = HasFlag(wxTB_VERTICAL);
 544
 545 #ifdef wxREMAP_BUTTON_COLOURS
 546     // don't change the values of these constants, they can be set from the
 547     // user code via wxSystemOptions
 548     enum
 549     {
 550         Remap_None = -1,
 551         Remap_Bg,
 552         Remap_Buttons,
 553         Remap_TransparentBg
 554     };
 555
 556     // the user-specified option overrides anything, but if it wasn't set, only
 557     // remap the buttons on 8bpp displays as otherwise the bitmaps usually look
 558     // much worse after remapping
 559     static const wxChar *remapOption = wxT("msw.remap");
 560     const int remapValue = wxSystemOptions::HasOption(remapOption)
 561                                 ? wxSystemOptions::GetOptionInt(remapOption)
 562                                 : wxDisplayDepth() <= 8 ? Remap_Buttons
 563                                                         : Remap_None;
 564
 565 #endif // wxREMAP_BUTTON_COLOURS
 566
 567     // delete all old buttons, if any
 568     for ( size_t pos = 0; pos < m_nButtons; pos++ )
 569     {
 570         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
 571         {
 572             wxLogDebug(wxT("TB_DELETEBUTTON failed"));
 573         }
 574     }
 575
 576     // First, add the bitmap: we use one bitmap for all toolbar buttons
 577     // ----------------------------------------------------------------
 578
 579     wxToolBarToolsList::compatibility_iterator node;
 580     int bitmapId = 0;
 581
 582     wxSize sizeBmp;
 583     if ( HasFlag(wxTB_NOICONS) )
 584     {
 585         // no icons, don't leave space for them
 586         sizeBmp.x =
 587         sizeBmp.y = 0;
 588     }
 589     else // do show icons
 590     {
 591         // if we already have a bitmap, we'll replace the existing one --
 592         // otherwise we'll install a new one
 593         HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
 594
 595         sizeBmp.x = m_defaultWidth;
 596         sizeBmp.y = m_defaultHeight;
 597
 598         const wxCoord totalBitmapWidth  = m_defaultWidth *
 599                                           wx_truncate_cast(wxCoord, nTools),
 600                       totalBitmapHeight = m_defaultHeight;
 601
 602         // Create a bitmap and copy all the tool bitmaps into it
 603         wxMemoryDC dcAllButtons;
 604         wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
 605         dcAllButtons.SelectObject(bitmap);
 606
 607 #ifdef wxREMAP_BUTTON_COLOURS
 608         if ( remapValue != Remap_TransparentBg )
 609 #endif // wxREMAP_BUTTON_COLOURS
 610         {
 611             // VZ: why do we hardcode grey colour for CE?
 612             dcAllButtons.SetBackground(wxBrush(
 613 #ifdef __WXWINCE__
 614                                         wxColour(0xc0, 0xc0, 0xc0)
 615 #else // !__WXWINCE__
 616                                         GetBackgroundColour()
 617 #endif // __WXWINCE__/!__WXWINCE__
 618                                        ));
 619             dcAllButtons.Clear();
 620         }
 621
 622         m_hBitmap = bitmap.GetHBITMAP();
 623         HBITMAP hBitmap = (HBITMAP)m_hBitmap;
 624
 625 #ifdef wxREMAP_BUTTON_COLOURS
 626         if ( remapValue == Remap_Bg )
 627         {
 628             dcAllButtons.SelectObject(wxNullBitmap);
 629
 630             // Even if we're not remapping the bitmap
 631             // content, we still have to remap the background.
 632             hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
 633                 totalBitmapWidth, totalBitmapHeight);
 634
 635             dcAllButtons.SelectObject(bitmap);
 636         }
 637 #endif // wxREMAP_BUTTON_COLOURS
 638
 639         // the button position
 640         wxCoord x = 0;
 641
 642         // the number of buttons (not separators)
 643         int nButtons = 0;
 644
 645         CreateDisabledImageList();
 646         for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 647         {
 648             wxToolBarToolBase *tool = node->GetData();
 649             if ( tool->IsButton() )
 650             {
 651                 const wxBitmap& bmp = tool->GetNormalBitmap();
 652
 653                 const int w = bmp.GetWidth();
 654                 const int h = bmp.GetHeight();
 655
 656                 if ( bmp.Ok() )
 657                 {
 658                     int xOffset = wxMax(0, (m_defaultWidth - w)/2);
 659                     int yOffset = wxMax(0, (m_defaultHeight - h)/2);
 660
 661                     // notice the last parameter: do use mask
 662                     dcAllButtons.DrawBitmap(bmp, x + xOffset, yOffset, true);
 663                 }
 664                 else
 665                 {
 666                     wxFAIL_MSG( _T("invalid tool button bitmap") );
 667                 }
 668
 669                 // also deal with disabled bitmap if we want to use them
 670                 if ( m_disabledImgList )
 671                 {
 672                     wxBitmap bmpDisabled = tool->GetDisabledBitmap();
 673 #if wxUSE_IMAGE && wxUSE_WXDIB
 674                     if ( !bmpDisabled.Ok() )
 675                     {
 676                         // no disabled bitmap specified but we still need to
 677                         // fill the space in the image list with something, so
 678                         // we grey out the normal bitmap
 679                         wxImage imgGreyed;
 680                         wxCreateGreyedImage(bmp.ConvertToImage(), imgGreyed);
 681
 682 #ifdef wxREMAP_BUTTON_COLOURS
 683                         if ( remapValue == Remap_Buttons )
 684                         {
 685                             // we need to have light grey background colour for
 686                             // MapBitmap() to work correctly
 687                             for ( int y = 0; y < h; y++ )
 688                             {
 689                                 for ( int x = 0; x < w; x++ )
 690                                 {
 691                                     if ( imgGreyed.IsTransparent(x, y) )
 692                                         imgGreyed.SetRGB(x, y,
 693                                                          wxLIGHT_GREY->Red(),
 694                                                          wxLIGHT_GREY->Green(),
 695                                                          wxLIGHT_GREY->Blue());
 696                                 }
 697                             }
 698                         }
 699 #endif // wxREMAP_BUTTON_COLOURS
 700
 701                         bmpDisabled = wxBitmap(imgGreyed);
 702                     }
 703 #endif // wxUSE_IMAGE
 704
 705 #ifdef wxREMAP_BUTTON_COLOURS
 706                     if ( remapValue == Remap_Buttons )
 707                         MapBitmap(bmpDisabled.GetHBITMAP(), w, h);
 708 #endif // wxREMAP_BUTTON_COLOURS
 709
 710                     m_disabledImgList->Add(bmpDisabled);
 711                 }
 712
 713                 // still inc width and number of buttons because otherwise the
 714                 // subsequent buttons will all be shifted which is rather confusing
 715                 // (and like this you'd see immediately which bitmap was bad)
 716                 x += m_defaultWidth;
 717                 nButtons++;
 718             }
 719         }
 720
 721         dcAllButtons.SelectObject(wxNullBitmap);
 722
 723         // don't delete this HBITMAP!
 724         bitmap.SetHBITMAP(0);
 725
 726 #ifdef wxREMAP_BUTTON_COLOURS
 727         if ( remapValue == Remap_Buttons )
 728         {
 729             // Map to system colours
 730             hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
 731                                          totalBitmapWidth, totalBitmapHeight);
 732         }
 733 #endif // wxREMAP_BUTTON_COLOURS
 734
 735         bool addBitmap = true;
 736
 737         if ( oldToolBarBitmap )
 738         {
 739 #ifdef TB_REPLACEBITMAP
 740             if ( wxApp::GetComCtl32Version() >= 400 )
 741             {
 742                 TBREPLACEBITMAP replaceBitmap;
 743                 replaceBitmap.hInstOld = NULL;
 744                 replaceBitmap.hInstNew = NULL;
 745                 replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
 746                 replaceBitmap.nIDNew = (UINT) hBitmap;
 747                 replaceBitmap.nButtons = nButtons;
 748                 if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
 749                                     0, (LPARAM) &replaceBitmap) )
 750                 {
 751                     wxFAIL_MSG(wxT("Could not replace the old bitmap"));
 752                 }
 753
 754                 ::DeleteObject(oldToolBarBitmap);
 755
 756                 // already done
 757                 addBitmap = false;
 758             }
 759             else
 760 #endif // TB_REPLACEBITMAP
 761             {
 762                 // we can't replace the old bitmap, so we will add another one
 763                 // (awfully inefficient, but what else to do?) and shift the bitmap
 764                 // indices accordingly
 765                 addBitmap = true;
 766
 767                 bitmapId = m_nButtons;
 768             }
 769         }
 770
 771         if ( addBitmap ) // no old bitmap or we can't replace it
 772         {
 773             TBADDBITMAP addBitmap;
 774             addBitmap.hInst = 0;
 775             addBitmap.nID = (UINT) hBitmap;
 776             if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
 777                                (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
 778             {
 779                 wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
 780             }
 781         }
 782
 783         if ( m_disabledImgList )
 784         {
 785             HIMAGELIST oldImageList = (HIMAGELIST)
 786                 ::SendMessage(GetHwnd(),
 787                               TB_SETDISABLEDIMAGELIST,
 788                               0,
 789                               (LPARAM)GetHimagelistOf(m_disabledImgList));
 790
 791             // delete previous image list if any
 792             if ( oldImageList )
 793                 ::DeleteObject( oldImageList );
 794         }
 795     }
 796
 797     // don't call SetToolBitmapSize() as we don't want to change the values of
 798     // m_defaultWidth/Height
 799     if ( !::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0,
 800                         MAKELONG(sizeBmp.x, sizeBmp.y)) )
 801     {
 802         wxLogLastError(_T("TB_SETBITMAPSIZE"));
 803     }
 804
 805     // Next add the buttons and separators
 806     // -----------------------------------
 807
 808     TBBUTTON *buttons = new TBBUTTON[nTools];
 809
 810     // this array will hold the indices of all controls in the toolbar
 811     wxArrayInt controlIds;
 812
 813     bool lastWasRadio = false;
 814     int i = 0;
 815     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 816     {
 817         wxToolBarToolBase *tool = node->GetData();
 818
 819         // don't add separators to the vertical toolbar with old comctl32.dll
 820         // versions as they didn't handle this properly
 821         if ( isVertical && tool->IsSeparator() &&
 822                 wxApp::GetComCtl32Version() <= 472 )
 823         {
 824             continue;
 825         }
 826
 827         TBBUTTON& button = buttons[i];
 828
 829         wxZeroMemory(button);
 830
 831         bool isRadio = false;
 832         switch ( tool->GetStyle() )
 833         {
 834             case wxTOOL_STYLE_CONTROL:
 835                 button.idCommand = tool->GetId();
 836                 // fall through: create just a separator too
 837
 838             case wxTOOL_STYLE_SEPARATOR:
 839                 button.fsState = TBSTATE_ENABLED;
 840                 button.fsStyle = TBSTYLE_SEP;
 841                 break;
 842
 843             case wxTOOL_STYLE_BUTTON:
 844                 if ( !HasFlag(wxTB_NOICONS) )
 845                     button.iBitmap = bitmapId;
 846
 847                 if ( HasFlag(wxTB_TEXT) )
 848                 {
 849                     const wxString& label = tool->GetLabel();
 850                     if ( !label.empty() )
 851                         button.iString = (int)label.c_str();
 852                 }
 853
 854                 button.idCommand = tool->GetId();
 855
 856                 if ( tool->IsEnabled() )
 857                     button.fsState |= TBSTATE_ENABLED;
 858                 if ( tool->IsToggled() )
 859                     button.fsState |= TBSTATE_CHECKED;
 860
 861                 switch ( tool->GetKind() )
 862                 {
 863                     case wxITEM_RADIO:
 864                         button.fsStyle = TBSTYLE_CHECKGROUP;
 865
 866                         if ( !lastWasRadio )
 867                         {
 868                             // the first item in the radio group is checked by
 869                             // default to be consistent with wxGTK and the menu
 870                             // radio items
 871                             button.fsState |= TBSTATE_CHECKED;
 872
 873                             if (tool->Toggle(true))
 874                             {
 875                                 DoToggleTool(tool, true);
 876                             }
 877                         }
 878                         else if (tool->IsToggled())
 879                         {
 880                             wxToolBarToolsList::compatibility_iterator nodePrev = node->GetPrevious();
 881                             int prevIndex = i - 1;
 882                             while ( nodePrev )
 883                             {
 884                                 TBBUTTON& prevButton = buttons[prevIndex];
 885                                 wxToolBarToolBase *tool = nodePrev->GetData();
 886                                 if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO )
 887                                     break;
 888
 889                                 if ( tool->Toggle(false) )
 890                                     DoToggleTool(tool, false);
 891
 892                                 prevButton.fsState = TBSTATE_ENABLED;
 893                                 nodePrev = nodePrev->GetPrevious();
 894                                 prevIndex--;
 895                             }
 896                         }
 897
 898                         isRadio = true;
 899                         break;
 900
 901                     case wxITEM_CHECK:
 902                         button.fsStyle = TBSTYLE_CHECK;
 903                         break;
 904
 905                     case wxITEM_NORMAL:
 906                         button.fsStyle = TBSTYLE_BUTTON;
 907                         break;
 908
 909                     default:
 910                         wxFAIL_MSG( _T("unexpected toolbar button kind") );
 911                         button.fsStyle = TBSTYLE_BUTTON;
 912                         break;
 913                 }
 914
 915                 bitmapId++;
 916                 break;
 917         }
 918
 919         lastWasRadio = isRadio;
 920
 921         i++;
 922     }
 923
 924     if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)buttons) )
 925     {
 926         wxLogLastError(wxT("TB_ADDBUTTONS"));
 927     }
 928
 929     delete [] buttons;
 930
 931     // Deal with the controls finally
 932     // ------------------------------
 933
 934     // adjust the controls size to fit nicely in the toolbar
 935     int y = 0;
 936     size_t index = 0;
 937     for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
 938     {
 939         wxToolBarToolBase *tool = node->GetData();
 940
 941         // we calculate the running y coord for vertical toolbars so we need to
 942         // get the items size for all items but for the horizontal ones we
 943         // don't need to deal with the non controls
 944         bool isControl = tool->IsControl();
 945         if ( !isControl && !isVertical )
 946             continue;
 947
 948         // note that we use TB_GETITEMRECT and not TB_GETRECT because the
 949         // latter only appeared in v4.70 of comctl32.dll
 950         RECT r;
 951         if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
 952                             index, (LPARAM)(LPRECT)&r) )
 953         {
 954             wxLogLastError(wxT("TB_GETITEMRECT"));
 955         }
 956
 957         if ( !isControl )
 958         {
 959             // can only be control if isVertical
 960             y += r.bottom - r.top;
 961
 962             continue;
 963         }
 964
 965         wxControl *control = tool->GetControl();
 966         wxSize size = control->GetSize();
 967
 968         // the position of the leftmost controls corner
 969         int left = wxDefaultCoord;
 970
 971         // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
 972 #ifdef TB_SETBUTTONINFO
 973         // available in headers, now check whether it is available now
 974         // (during run-time)
 975         if ( wxApp::GetComCtl32Version() >= 471 )
 976         {
 977             // set the (underlying) separators width to be that of the
 978             // control
 979             TBBUTTONINFO tbbi;
 980             tbbi.cbSize = sizeof(tbbi);
 981             tbbi.dwMask = TBIF_SIZE;
 982             tbbi.cx = (WORD)size.x;
 983             if ( !::SendMessage(GetHwnd(), TB_SETBUTTONINFO,
 984                                 tool->GetId(), (LPARAM)&tbbi) )
 985             {
 986                 // the id is probably invalid?
 987                 wxLogLastError(wxT("TB_SETBUTTONINFO"));
 988             }
 989         }
 990         else
 991 #endif // comctl32.dll 4.71
 992         // TB_SETBUTTONINFO unavailable
 993         {
 994             // try adding several separators to fit the controls width
 995             int widthSep = r.right - r.left;
 996             left = r.left;
 997
 998             TBBUTTON tbb;
 999             wxZeroMemory(tbb);
1000             tbb.idCommand = 0;
1001             tbb.fsState = TBSTATE_ENABLED;
1002             tbb.fsStyle = TBSTYLE_SEP;
1003
1004             size_t nSeparators = size.x / widthSep;
1005             for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
1006             {
1007                 if ( !::SendMessage(GetHwnd(), TB_INSERTBUTTON,
1008                                     index, (LPARAM)&tbb) )
1009                 {
1010                     wxLogLastError(wxT("TB_INSERTBUTTON"));
1011                 }
1012
1013                 index++;
1014             }
1015
1016             // remember the number of separators we used - we'd have to
1017             // delete all of them later
1018             ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
1019
1020             // adjust the controls width to exactly cover the separators
1021             control->SetSize((nSeparators + 1)*widthSep, wxDefaultCoord);
1022         }
1023
1024         // position the control itself correctly vertically
1025         int height = r.bottom - r.top;
1026         int diff = height - size.y;
1027         if ( diff < 0 )
1028         {
1029             // the control is too high, resize to fit
1030             control->SetSize(wxDefaultCoord, height - 2);
1031
1032             diff = 2;
1033         }
1034
1035         int top;
1036         if ( isVertical )
1037         {
1038             left = 0;
1039             top = y;
1040
1041             y += height + 2 * GetMargins().y;
1042         }
1043         else // horizontal toolbar
1044         {
1045             if ( left == wxDefaultCoord )
1046                 left = r.left;
1047
1048             top = r.top;
1049         }
1050
1051         control->Move(left, top + (diff + 1) / 2);
1052     }
1053
1054     // the max index is the "real" number of buttons - i.e. counting even the
1055     // separators which we added just for aligning the controls
1056     m_nButtons = index;
1057
1058     if ( !isVertical )
1059     {
1060         if ( m_maxRows == 0 )
1061             // if not set yet, only one row
1062             SetRows(1);
1063     }
1064     else if ( m_nButtons > 0 ) // vertical non empty toolbar
1065     {
1066         if ( m_maxRows == 0 )
1067             // if not set yet, have one column
1068             SetRows(m_nButtons);
1069     }
1070
1071     InvalidateBestSize();
1072     UpdateSize();
1073
1074     return true;
1075 }
1076
1077 // ----------------------------------------------------------------------------
1078 // message handlers
1079 // ----------------------------------------------------------------------------
1080
1081 bool wxToolBar::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD id)
1082 {
1083     wxToolBarToolBase *tool = FindById((int)id);
1084     if ( !tool )
1085         return false;
1086
1087     bool toggled = false; // just to suppress warnings
1088
1089     if ( tool->CanBeToggled() )
1090     {
1091         LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
1092         toggled = (state & TBSTATE_CHECKED) != 0;
1093
1094         // ignore the event when a radio button is released, as this doesn't
1095         // seem to happen at all, and is handled otherwise
1096         if ( tool->GetKind() == wxITEM_RADIO && !toggled )
1097             return true;
1098
1099         tool->Toggle(toggled);
1100         UnToggleRadioGroup(tool);
1101     }
1102
1103     // OnLeftClick() can veto the button state change - for buttons which
1104     // may be toggled only, of couse
1105     if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
1106     {
1107         // revert back
1108         tool->Toggle(!toggled);
1109
1110         ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(!toggled, 0));
1111     }
1112
1113     return true;
1114 }
1115
1116 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
1117                             WXLPARAM lParam,
1118                             WXLPARAM *WXUNUSED(result))
1119 {
1120     if( !HasFlag(wxTB_NO_TOOLTIPS) )
1121     {
1122 #if wxUSE_TOOLTIPS
1123         // First check if this applies to us
1124         NMHDR *hdr = (NMHDR *)lParam;
1125
1126         // the tooltips control created by the toolbar is sometimes Unicode, even
1127         // in an ANSI application - this seems to be a bug in comctl32.dll v5
1128         UINT code = hdr->code;
1129         if ( (code != (UINT) TTN_NEEDTEXTA) && (code != (UINT) TTN_NEEDTEXTW) )
1130             return false;
1131
1132         HWND toolTipWnd = (HWND)::SendMessage(GetHwnd(), TB_GETTOOLTIPS, 0, 0);
1133         if ( toolTipWnd != hdr->hwndFrom )
1134             return false;
1135
1136         LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
1137         int id = (int)ttText->hdr.idFrom;
1138
1139         wxToolBarToolBase *tool = FindById(id);
1140         if ( tool )
1141             return HandleTooltipNotify(code, lParam, tool->GetShortHelp());
1142 #else
1143         wxUnusedVar(lParam);
1144 #endif
1145     }
1146
1147     return false;
1148 }
1149
1150 // ----------------------------------------------------------------------------
1151 // toolbar geometry
1152 // ----------------------------------------------------------------------------
1153
1154 void wxToolBar::SetToolBitmapSize(const wxSize& size)
1155 {
1156     wxToolBarBase::SetToolBitmapSize(size);
1157
1158     ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
1159 }
1160
1161 void wxToolBar::SetRows(int nRows)
1162 {
1163     if ( nRows == m_maxRows )
1164     {
1165         // avoid resizing the frame uselessly
1166         return;
1167     }
1168
1169     // TRUE in wParam means to create at least as many rows, FALSE -
1170     // at most as many
1171     RECT rect;
1172     ::SendMessage(GetHwnd(), TB_SETROWS,
1173                   MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
1174                   (LPARAM) &rect);
1175
1176     m_maxRows = nRows;
1177
1178     UpdateSize();
1179 }
1180
1181 // The button size is bigger than the bitmap size
1182 wxSize wxToolBar::GetToolSize() const
1183 {
1184     // TB_GETBUTTONSIZE is supported from version 4.70
1185 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 ) \
1186     && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) \
1187     && !defined (__DIGITALMARS__)
1188     if ( wxApp::GetComCtl32Version() >= 470 )
1189     {
1190         DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
1191
1192         return wxSize(LOWORD(dw), HIWORD(dw));
1193     }
1194     else
1195 #endif // comctl32.dll 4.70+
1196     {
1197         // defaults
1198         return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
1199     }
1200 }
1201
1202 static
1203 wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
1204                                                size_t index )
1205 {
1206     wxToolBarToolsList::compatibility_iterator current = tools.GetFirst();
1207
1208     for ( ; current ; current = current->GetNext() )
1209     {
1210         if ( index == 0 )
1211             return current->GetData();
1212
1213         wxToolBarTool *tool = (wxToolBarTool *)current->GetData();
1214         size_t separators = tool->GetSeparatorsCount();
1215
1216         // if it is a normal button, sepcount == 0, so skip 1 item (the button)
1217         // otherwise, skip as many items as the separator count, plus the
1218         // control itself
1219         index -= separators ? separators + 1 : 1;
1220     }
1221
1222     return 0;
1223 }
1224
1225 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
1226 {
1227     POINT pt;
1228     pt.x = x;
1229     pt.y = y;
1230     int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
1231
1232     // MBN: when the point ( x, y ) is close to the toolbar border
1233     //      TB_HITTEST returns m_nButtons ( not -1 )
1234     if ( index < 0 || (size_t)index >= m_nButtons )
1235         // it's a separator or there is no tool at all there
1236         return (wxToolBarToolBase *)NULL;
1237
1238     // when TB_SETBUTTONINFO is available (both during compile- and run-time),
1239     // we don't use the dummy separators hack
1240 #ifdef TB_SETBUTTONINFO
1241     if ( wxApp::GetComCtl32Version() >= 471 )
1242     {
1243         return m_tools.Item((size_t)index)->GetData();
1244     }
1245     else
1246 #endif // TB_SETBUTTONINFO
1247     {
1248         return GetItemSkippingDummySpacers( m_tools, (size_t) index );
1249     }
1250 }
1251
1252 void wxToolBar::UpdateSize()
1253 {
1254     wxPoint pos = GetPosition();
1255     ::SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
1256     if (pos != GetPosition())
1257         Move(pos);
1258
1259     // In case Realize is called after the initial display (IOW the programmer
1260     // may have rebuilt the toolbar) give the frame the option of resizing the
1261     // toolbar to full width again, but only if the parent is a frame and the
1262     // toolbar is managed by the frame.  Otherwise assume that some other
1263     // layout mechanism is controlling the toolbar size and leave it alone.
1264     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
1265     if ( frame && frame->GetToolBar() == this )
1266     {
1267         frame->SendSizeEvent();
1268     }
1269 }
1270
1271 // ----------------------------------------------------------------------------
1272 // toolbar styles
1273 // ---------------------------------------------------------------------------
1274
1275 void wxToolBar::SetWindowStyleFlag(long style)
1276 {
1277     // the style bits whose changes force us to recreate the toolbar
1278     static const long MASK_NEEDS_RECREATE = wxTB_TEXT | wxTB_NOICONS;
1279
1280     const long styleOld = GetWindowStyle();
1281
1282     wxToolBarBase::SetWindowStyleFlag(style);
1283
1284     // don't recreate an empty toolbar: not only this is unnecessary, but it is
1285     // also fatal as we'd then try to recreate the toolbar when it's just being
1286     // created
1287     if ( GetToolsCount() &&
1288             (style & MASK_NEEDS_RECREATE) != (styleOld & MASK_NEEDS_RECREATE) )
1289     {
1290         // to remove the text labels, simply re-realizing the toolbar is enough
1291         // but I don't know of any way to add the text to an existing toolbar
1292         // other than by recreating it entirely
1293         Recreate();
1294     }
1295 }
1296
1297 // ----------------------------------------------------------------------------
1298 // tool state
1299 // ----------------------------------------------------------------------------
1300
1301 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
1302 {
1303     ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
1304                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
1305 }
1306
1307 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
1308 {
1309     ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
1310                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
1311 }
1312
1313 void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
1314 {
1315     // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
1316     //     without, so we really need to delete the button and recreate it here
1317     wxFAIL_MSG( _T("not implemented") );
1318 }
1319
1320 // ----------------------------------------------------------------------------
1321 // event handlers
1322 // ----------------------------------------------------------------------------
1323
1324 // Responds to colour changes, and passes event on to children.
1325 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
1326 {
1327     wxRGBToColour(m_backgroundColour, ::GetSysColor(COLOR_BTNFACE));
1328
1329     // Remap the buttons
1330     Realize();
1331
1332     // Relayout the toolbar
1333     int nrows = m_maxRows;
1334     m_maxRows = 0;      // otherwise SetRows() wouldn't do anything
1335     SetRows(nrows);
1336
1337     Refresh();
1338
1339     // let the event propagate further
1340     event.Skip();
1341 }
1342
1343 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
1344 {
1345     if (event.Leaving() && m_pInTool)
1346     {
1347         OnMouseEnter( -1 );
1348         event.Skip();
1349         return;
1350     }
1351
1352     if ( event.RightDown() )
1353     {
1354         // find the tool under the mouse
1355         wxCoord x = 0, y = 0;
1356         event.GetPosition(&x, &y);
1357
1358         wxToolBarToolBase *tool = FindToolForPosition(x, y);
1359         OnRightClick(tool ? tool->GetId() : -1, x, y);
1360     }
1361     else
1362     {
1363         event.Skip();
1364     }
1365 }
1366
1367 // This handler is required to allow the toolbar to be set to a non-default
1368 // colour: for example, when it must blend in with a notebook page.
1369 void wxToolBar::OnEraseBackground(wxEraseEvent& event)
1370 {
1371     RECT rect = wxGetClientRect(GetHwnd());
1372     HDC hdc = GetHdcOf((*event.GetDC()));
1373
1374     if ( UseBgCol() )
1375     {
1376         // do draw our background
1377         //
1378         // notice that this 'dumb' implementation may cause flicker for some of
1379         // the controls in which case they should intercept wxEraseEvent and
1380         // process it themselves somehow
1381         AutoHBRUSH hBrush(wxColourToRGB(GetBackgroundColour()));
1382
1383         wxCHANGE_HDC_MAP_MODE(hdc, MM_TEXT);
1384         ::FillRect(hdc, &rect, hBrush);
1385     }
1386     else // we have no non default background colour
1387     {
1388 #if wxUSE_UXTHEME
1389         // we may need to draw themed colour so that we appear correctly on
1390         // e.g. notebook page under XP with themes but only do it if the parent
1391         // draws themed background itself
1392         if ( !GetParent()->UseBgCol() )
1393         {
1394             wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive();
1395             if ( theme )
1396             {
1397                 HRESULT
1398                     hr = theme->DrawThemeParentBackground(GetHwnd(), hdc, &rect);
1399                 if ( hr == S_OK )
1400                     return;
1401
1402                 // it can also return S_FALSE which seems to simply say that it
1403                 // didn't draw anything but no error really occurred
1404                 if ( FAILED(hr) )
1405                     wxLogApiError(_T("DrawThemeParentBackground(toolbar)"), hr);
1406             }
1407         }
1408 #endif // wxUSE_UXTHEME
1409
1410         event.Skip();
1411         return;
1412     }
1413 }
1414
1415 bool wxToolBar::HandleSize(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1416 {
1417     // calculate our minor dimension ourselves - we're confusing the standard
1418     // logic (TB_AUTOSIZE) with our horizontal toolbars and other hacks
1419     RECT r;
1420     if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
1421     {
1422         int w, h;
1423
1424         if ( GetWindowStyle() & wxTB_VERTICAL )
1425         {
1426             w = r.right - r.left;
1427             if ( m_maxRows )
1428             {
1429                 w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
1430             }
1431             h = HIWORD(lParam);
1432         }
1433         else
1434         {
1435             w = LOWORD(lParam);
1436             if (HasFlag( wxTB_FLAT ))
1437                 h = r.bottom - r.top - 3;
1438             else
1439                 h = r.bottom - r.top;
1440             if ( m_maxRows )
1441             {
1442                 // FIXME: hardcoded separator line height...
1443                 h += HasFlag(wxTB_NODIVIDER) ? 4 : 6;
1444                 h *= m_maxRows;
1445             }
1446         }
1447
1448         if ( MAKELPARAM(w, h) != lParam )
1449         {
1450             // size really changed
1451             SetSize(w, h);
1452         }
1453
1454         // message processed
1455         return true;
1456     }
1457
1458     return false;
1459 }
1460
1461 bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
1462 {
1463     // erase any dummy separators which were used
1464     // for aligning the controls if any here
1465
1466     // first of all, are there any controls at all?
1467     wxToolBarToolsList::compatibility_iterator node;
1468     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1469     {
1470         if ( node->GetData()->IsControl() )
1471             break;
1472     }
1473
1474     if ( !node )
1475         // no controls, nothing to erase
1476         return false;
1477
1478     // prepare the DC on which we'll be drawing
1479     wxClientDC dc(this);
1480     dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
1481     dc.SetPen(*wxTRANSPARENT_PEN);
1482
1483     RECT r;
1484     if ( !::GetUpdateRect(GetHwnd(), &r, FALSE) )
1485         // nothing to redraw anyhow
1486         return false;
1487
1488     wxRect rectUpdate;
1489     wxCopyRECTToRect(r, rectUpdate);
1490
1491     dc.SetClippingRegion(rectUpdate);
1492
1493     // draw the toolbar tools, separators &c normally
1494     wxControl::MSWWindowProc(WM_PAINT, wParam, lParam);
1495
1496     // for each control in the toolbar find all the separators intersecting it
1497     // and erase them
1498     //
1499     // NB: this is really the only way to do it as we don't know if a separator
1500     //     corresponds to a control (i.e. is a dummy one) or a real one
1501     //     otherwise
1502     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1503     {
1504         wxToolBarToolBase *tool = node->GetData();
1505         if ( tool->IsControl() )
1506         {
1507             // get the control rect in our client coords
1508             wxControl *control = tool->GetControl();
1509             wxRect rectCtrl = control->GetRect();
1510
1511             // iterate over all buttons
1512             TBBUTTON tbb;
1513             int count = ::SendMessage(GetHwnd(), TB_BUTTONCOUNT, 0, 0);
1514             for ( int n = 0; n < count; n++ )
1515             {
1516                 // is it a separator?
1517                 if ( !::SendMessage(GetHwnd(), TB_GETBUTTON,
1518                                     n, (LPARAM)&tbb) )
1519                 {
1520                     wxLogDebug(_T("TB_GETBUTTON failed?"));
1521
1522                     continue;
1523                 }
1524
1525                 if ( tbb.fsStyle != TBSTYLE_SEP )
1526                     continue;
1527
1528                 // get the bounding rect of the separator
1529                 RECT r;
1530                 if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
1531                                     n, (LPARAM)&r) )
1532                 {
1533                     wxLogDebug(_T("TB_GETITEMRECT failed?"));
1534
1535                     continue;
1536                 }
1537
1538                 // does it intersect the control?
1539                 wxRect rectItem;
1540                 wxCopyRECTToRect(r, rectItem);
1541                 if ( rectCtrl.Intersects(rectItem) )
1542                 {
1543                     // yes, do erase it!
1544                     dc.DrawRectangle(rectItem);
1545
1546                     // Necessary in case we use a no-paint-on-size
1547                     // style in the parent: the controls can disappear
1548                     control->Refresh(false);
1549                 }
1550             }
1551         }
1552     }
1553
1554     return true;
1555 }
1556
1557 void wxToolBar::HandleMouseMove(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1558 {
1559     wxCoord x = GET_X_LPARAM(lParam),
1560             y = GET_Y_LPARAM(lParam);
1561     wxToolBarToolBase* tool = FindToolForPosition( x, y );
1562
1563     // cursor left current tool
1564     if ( tool != m_pInTool && !tool )
1565     {
1566         m_pInTool = 0;
1567         OnMouseEnter( -1 );
1568     }
1569
1570     // cursor entered a tool
1571     if ( tool != m_pInTool && tool )
1572     {
1573         m_pInTool = tool;
1574         OnMouseEnter( tool->GetId() );
1575     }
1576 }
1577
1578 WXLRESULT wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1579 {
1580     switch ( nMsg )
1581     {
1582         case WM_MOUSEMOVE:
1583             // we don't handle mouse moves, so always pass the message to
1584             // wxControl::MSWWindowProc (HandleMouseMove just calls OnMouseEnter)
1585             HandleMouseMove(wParam, lParam);
1586             break;
1587
1588         case WM_SIZE:
1589             if ( HandleSize(wParam, lParam) )
1590                 return 0;
1591             break;
1592
1593 #ifndef __WXWINCE__
1594         case WM_PAINT:
1595             if ( HandlePaint(wParam, lParam) )
1596                 return 0;
1597 #endif
1598
1599         default:
1600             break;
1601     }
1602
1603     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1604 }
1605
1606 // ----------------------------------------------------------------------------
1607 // private functions
1608 // ----------------------------------------------------------------------------
1609
1610 #ifdef wxREMAP_BUTTON_COLOURS
1611
1612 WXHBITMAP wxToolBar::MapBitmap(WXHBITMAP bitmap, int width, int height)
1613 {
1614     MemoryHDC hdcMem;
1615
1616     if ( !hdcMem )
1617     {
1618         wxLogLastError(_T("CreateCompatibleDC"));
1619
1620         return bitmap;
1621     }
1622
1623     SelectInHDC bmpInHDC(hdcMem, (HBITMAP)bitmap);
1624
1625     if ( !bmpInHDC )
1626     {
1627         wxLogLastError(_T("SelectObject"));
1628
1629         return bitmap;
1630     }
1631
1632     wxCOLORMAP *cmap = wxGetStdColourMap();
1633
1634     for ( int i = 0; i < width; i++ )
1635     {
1636         for ( int j = 0; j < height; j++ )
1637         {
1638             COLORREF pixel = ::GetPixel(hdcMem, i, j);
1639
1640             for ( size_t k = 0; k < wxSTD_COL_MAX; k++ )
1641             {
1642                 COLORREF col = cmap[k].from;
1643                 if ( abs(GetRValue(pixel) - GetRValue(col)) < 10 &&
1644                      abs(GetGValue(pixel) - GetGValue(col)) < 10 &&
1645                      abs(GetBValue(pixel) - GetBValue(col)) < 10 )
1646                 {
1647                     if ( cmap[k].to != pixel )
1648                         ::SetPixel(hdcMem, i, j, cmap[k].to);
1649                     break;
1650                 }
1651             }
1652         }
1653     }
1654
1655     return bitmap;
1656 }
1657
1658 #endif // wxREMAP_BUTTON_COLOURS
1659
1660 #endif // wxUSE_TOOLBAR