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 #include "wx/toolbar.h"
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/dynarray.h"
  33     #include "wx/frame.h"
  34     #include "wx/log.h"
  35     #include "wx/intl.h"
  36     #include "wx/settings.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/dcmemory.h"
  39     #include "wx/control.h"
  40     #include "wx/app.h"         // for GetComCtl32Version
  41 #endif
  42
  43 #include "wx/sysopt.h"
  44 #include "wx/image.h"
  45
  46 #include "wx/msw/private.h"
  47
  48 #if wxUSE_UXTHEME
  49 #include "wx/msw/uxtheme.h"
  50 #endif
  51
  52 // include <commctrl.h> "properly"
  53 #include "wx/msw/wrapcctl.h"
  54
  55 // this define controls whether the code for button colours remapping (only
  56 // useful for 16 or 256 colour images) is active at all, it's always turned off
  57 // for CE where it doesn't compile (and is probably not needed anyhow) and may
  58 // also be turned off for other systems if you always use 24bpp images and so
  59 // never need it
  60 #ifndef __WXWINCE__
  61     #define wxREMAP_BUTTON_COLOURS
  62 #endif // !__WXWINCE__
  63
  64 // ----------------------------------------------------------------------------
  65 // constants
  66 // ----------------------------------------------------------------------------
  67
  68 // these standard constants are not always defined in compilers headers
  69
  70 // Styles
  71 #ifndef TBSTYLE_FLAT
  72     #define TBSTYLE_LIST            0x1000
  73     #define TBSTYLE_FLAT            0x0800
  74 #endif
  75
  76 #ifndef TBSTYLE_TRANSPARENT
  77     #define TBSTYLE_TRANSPARENT     0x8000
  78 #endif
  79
  80 #ifndef TBSTYLE_TOOLTIPS
  81     #define TBSTYLE_TOOLTIPS        0x0100
  82 #endif
  83
  84 // Messages
  85 #ifndef TB_GETSTYLE
  86     #define TB_SETSTYLE             (WM_USER + 56)
  87     #define TB_GETSTYLE             (WM_USER + 57)
  88 #endif
  89
  90 #ifndef TB_HITTEST
  91     #define TB_HITTEST              (WM_USER + 69)
  92 #endif
  93
  94 #ifndef TB_GETMAXSIZE
  95     #define TB_GETMAXSIZE           (WM_USER + 83)
  96 #endif
  97
  98 // these values correspond to those used by comctl32.dll
  99 #define DEFAULTBITMAPX   16
 100 #define DEFAULTBITMAPY   15
 101
 102 // ----------------------------------------------------------------------------
 103 // wxWin macros
 104 // ----------------------------------------------------------------------------
 105
 106 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
 107
 108 /*
 109     TOOLBAR PROPERTIES
 110         tool
 111             bitmap
 112             bitmap2
 113             tooltip
 114             longhelp
 115             radio (bool)
 116             toggle (bool)
 117         separator
 118         style ( wxNO_BORDER | wxTB_HORIZONTAL)
 119         bitmapsize
 120         margins
 121         packing
 122         separation
 123
 124         dontattachtoframe
 125 */
 126
 127 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
 128     EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
 129     EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
 130     EVT_ERASE_BACKGROUND(wxToolBar::OnEraseBackground)
 131 END_EVENT_TABLE()
 132
 133 // ----------------------------------------------------------------------------
 134 // private classes
 135 // ----------------------------------------------------------------------------
 136
 137 class wxToolBarTool : public wxToolBarToolBase
 138 {
 139 public:
 140     wxToolBarTool(wxToolBar *tbar,
 141                   int id,
 142                   const wxString& label,
 143                   const wxBitmap& bmpNormal,
 144                   const wxBitmap& bmpDisabled,
 145                   wxItemKind kind,
 146                   wxObject *clientData,
 147                   const wxString& shortHelp,
 148                   const wxString& longHelp)
 149         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
 150                             clientData, shortHelp, longHelp)
 151     {
 152         m_nSepCount = 0;
 153     }
 154
 155     wxToolBarTool(wxToolBar *tbar, wxControl *control)
 156         : wxToolBarToolBase(tbar, control)
 157     {
 158         m_nSepCount = 1;
 159     }
 160
 161     virtual void SetLabel(const wxString& label)
 162     {
 163         if ( label == m_label )
 164             return;
 165
 166         wxToolBarToolBase::SetLabel(label);
 167
 168         // we need to update the label shown in the toolbar because it has a
 169         // pointer to the internal buffer of the old label
 170         //
 171         // TODO: use TB_SETBUTTONINFO
 172     }
 173
 174     // set/get the number of separators which we use to cover the space used by
 175     // a control in the toolbar
 176     void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
 177     size_t GetSeparatorsCount() const { return m_nSepCount; }
 178
 179 private:
 180     size_t m_nSepCount;
 181
 182     DECLARE_NO_COPY_CLASS(wxToolBarTool)
 183 };
 184
 185
 186 // ============================================================================
 187 // implementation
 188 // ============================================================================
 189
 190 // ----------------------------------------------------------------------------
 191 // wxToolBarTool
 192 // ----------------------------------------------------------------------------
 193
 194 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 195                                          const wxString& label,
 196                                          const wxBitmap& bmpNormal,
 197                                          const wxBitmap& bmpDisabled,
 198                                          wxItemKind kind,
 199                                          wxObject *clientData,
 200                                          const wxString& shortHelp,
 201                                          const wxString& longHelp)
 202 {
 203     return new wxToolBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
 204                              clientData, shortHelp, longHelp);
 205 }
 206
 207 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 208 {
 209     return new wxToolBarTool(this, control);
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // wxToolBar construction
 214 // ----------------------------------------------------------------------------
 215
 216 void wxToolBar::Init()
 217 {
 218     m_hBitmap = 0;
 219     m_disabledImgList = NULL;
 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     // common initialisation
 237     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 238         return false;
 239
 240     // MSW-specific initialisation
 241     if ( !MSWCreateToolbar(pos, size) )
 242         return false;
 243
 244     wxSetCCUnicodeFormat(GetHwnd());
 245
 246     // workaround for flat toolbar on Windows XP classic style: we have to set
 247     // the style after creating the control; doing it at creation time doesn't work
 248 #if wxUSE_UXTHEME
 249     if ( style & wxTB_FLAT )
 250     {
 251         LRESULT style = ::SendMessage(GetHwnd(), TB_GETSTYLE, 0, 0L);
 252
 253         if ( !(style & TBSTYLE_FLAT) )
 254             ::SendMessage(GetHwnd(), TB_SETSTYLE, 0, style | TBSTYLE_FLAT);
 255     }
 256 #endif // wxUSE_UXTHEME
 257
 258     return true;
 259 }
 260
 261 bool wxToolBar::MSWCreateToolbar(const wxPoint& pos, const wxSize& size)
 262 {
 263     if ( !MSWCreateControl(TOOLBARCLASSNAME, wxEmptyString, pos, size) )
 264         return false;
 265
 266     // toolbar-specific post initialisation
 267     ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 268
 269     return true;
 270 }
 271
 272 void wxToolBar::Recreate()
 273 {
 274     const HWND hwndOld = GetHwnd();
 275     if ( !hwndOld )
 276     {
 277         // we haven't been created yet, no need to recreate
 278         return;
 279     }
 280
 281     // get the position and size before unsubclassing the old toolbar
 282     const wxPoint pos = GetPosition();
 283     const wxSize size = GetSize();
 284
 285     UnsubclassWin();
 286
 287     if ( !MSWCreateToolbar(pos, size) )
 288     {
 289         // what can we do?
 290         wxFAIL_MSG( _T("recreating the toolbar failed") );
 291
 292         return;
 293     }
 294
 295     // reparent all our children under the new toolbar
 296     for ( wxWindowList::compatibility_iterator node = m_children.GetFirst();
 297           node;
 298           node = node->GetNext() )
 299     {
 300         wxWindow *win = node->GetData();
 301         if ( !win->IsTopLevel() )
 302             ::SetParent(GetHwndOf(win), GetHwnd());
 303     }
 304
 305     // only destroy the old toolbar now --
 306     // after all the children had been reparented
 307     ::DestroyWindow(hwndOld);
 308
 309     // it is for the old bitmap control and can't be used with the new one
 310     if ( m_hBitmap )
 311     {
 312         ::DeleteObject((HBITMAP) m_hBitmap);
 313         m_hBitmap = 0;
 314     }
 315
 316     if ( m_disabledImgList )
 317     {
 318         delete m_disabledImgList;
 319         m_disabledImgList = NULL;
 320     }
 321
 322     Realize();
 323 }
 324
 325 wxToolBar::~wxToolBar()
 326 {
 327     // we must refresh the frame size when the toolbar is deleted but the frame
 328     // is not - otherwise toolbar leaves a hole in the place it used to occupy
 329     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 330     if ( frame && !frame->IsBeingDeleted() )
 331         frame->SendSizeEvent();
 332
 333     if ( m_hBitmap )
 334         ::DeleteObject((HBITMAP) m_hBitmap);
 335
 336     delete m_disabledImgList;
 337 }
 338
 339 wxSize wxToolBar::DoGetBestSize() const
 340 {
 341     wxSize sizeBest;
 342
 343     SIZE size;
 344     if ( !::SendMessage(GetHwnd(), TB_GETMAXSIZE, 0, (LPARAM)&size) )
 345     {
 346         // maybe an old (< 0x400) Windows version? try to approximate the
 347         // toolbar size ourselves
 348         sizeBest = GetToolSize();
 349         sizeBest.y += 2 * ::GetSystemMetrics(SM_CYBORDER); // Add borders
 350         sizeBest.x *= GetToolsCount();
 351
 352         // reverse horz and vertical components if necessary
 353         if ( HasFlag(wxTB_VERTICAL) )
 354         {
 355             int t = sizeBest.x;
 356             sizeBest.x = sizeBest.y;
 357             sizeBest.y = t;
 358         }
 359     }
 360     else
 361     {
 362         sizeBest.x = size.cx;
 363         sizeBest.y = size.cy;
 364     }
 365
 366     CacheBestSize(sizeBest);
 367
 368     return sizeBest;
 369 }
 370
 371 WXDWORD wxToolBar::MSWGetStyle(long style, WXDWORD *exstyle) const
 372 {
 373     // toolbars never have border, giving one to them results in broken
 374     // appearance
 375     WXDWORD msStyle = wxControl::MSWGetStyle
 376                       (
 377                         (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
 378                       );
 379
 380     if ( !(style & wxTB_NO_TOOLTIPS) )
 381         msStyle |= TBSTYLE_TOOLTIPS;
 382
 383     if ( style & (wxTB_FLAT | wxTB_HORZ_LAYOUT) )
 384     {
 385         // static as it doesn't change during the program lifetime
 386         static int s_verComCtl = wxApp::GetComCtl32Version();
 387
 388         // comctl32.dll 4.00 doesn't support the flat toolbars and using this
 389         // style with 6.00 (part of Windows XP) leads to the toolbar with
 390         // incorrect background colour - and not using it still results in the
 391         // correct (flat) toolbar, so don't use it there
 392         if ( s_verComCtl > 400 && s_verComCtl < 600 )
 393             msStyle |= TBSTYLE_FLAT | TBSTYLE_TRANSPARENT;
 394
 395         if ( s_verComCtl >= 470 && style & wxTB_HORZ_LAYOUT )
 396             msStyle |= TBSTYLE_LIST;
 397     }
 398
 399     if ( style & wxTB_NODIVIDER )
 400         msStyle |= CCS_NODIVIDER;
 401
 402     if ( style & wxTB_NOALIGN )
 403         msStyle |= CCS_NOPARENTALIGN;
 404
 405     if ( style & wxTB_VERTICAL )
 406         msStyle |= CCS_VERT;
 407
 408     return msStyle;
 409 }
 410
 411 // ----------------------------------------------------------------------------
 412 // adding/removing tools
 413 // ----------------------------------------------------------------------------
 414
 415 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
 416 {
 417     // nothing special to do here - we really create the toolbar buttons in
 418     // Realize() later
 419     tool->Attach(this);
 420
 421     InvalidateBestSize();
 422     return true;
 423 }
 424
 425 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
 426 {
 427     // the main difficulty we have here is with the controls in the toolbars:
 428     // as we (sometimes) use several separators to cover up the space used by
 429     // them, the indices are not the same for us and the toolbar
 430
 431     // first determine the position of the first button to delete: it may be
 432     // different from pos if we use several separators to cover the space used
 433     // by a control
 434     wxToolBarToolsList::compatibility_iterator node;
 435     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 436     {
 437         wxToolBarToolBase *tool2 = node->GetData();
 438         if ( tool2 == tool )
 439         {
 440             // let node point to the next node in the list
 441             node = node->GetNext();
 442
 443             break;
 444         }
 445
 446         if ( tool2->IsControl() )
 447             pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount() - 1;
 448     }
 449
 450     // now determine the number of buttons to delete and the area taken by them
 451     size_t nButtonsToDelete = 1;
 452
 453     // get the size of the button we're going to delete
 454     RECT r;
 455     if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
 456     {
 457         wxLogLastError(_T("TB_GETITEMRECT"));
 458     }
 459
 460     int width = r.right - r.left;
 461
 462     if ( tool->IsControl() )
 463     {
 464         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
 465         width *= nButtonsToDelete;
 466         tool->GetControl()->Destroy();
 467     }
 468
 469     // do delete all buttons
 470     m_nButtons -= nButtonsToDelete;
 471     while ( nButtonsToDelete-- > 0 )
 472     {
 473         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
 474         {
 475             wxLogLastError(wxT("TB_DELETEBUTTON"));
 476
 477             return false;
 478         }
 479     }
 480
 481     tool->Detach();
 482
 483     // and finally reposition all the controls after this button (the toolbar
 484     // takes care of all normal items)
 485     for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
 486     {
 487         wxToolBarToolBase *tool2 = node->GetData();
 488         if ( tool2->IsControl() )
 489         {
 490             int x;
 491             wxControl *control = tool2->GetControl();
 492             control->GetPosition(&x, NULL);
 493             control->Move(x - width, wxDefaultCoord);
 494         }
 495     }
 496
 497     InvalidateBestSize();
 498
 499     return true;
 500 }
 501
 502 void wxToolBar::CreateDisabledImageList()
 503 {
 504     if (m_disabledImgList != NULL)
 505     {
 506         delete m_disabledImgList;
 507         m_disabledImgList = NULL;
 508     }
 509
 510     // as we can't use disabled image list with older versions of comctl32.dll,
 511     // don't even bother creating it
 512     if ( wxApp::GetComCtl32Version() >= 470 )
 513     {
 514         // search for the first disabled button img in the toolbar, if any
 515         for ( wxToolBarToolsList::compatibility_iterator
 516                 node = m_tools.GetFirst(); node; node = node->GetNext() )
 517         {
 518             wxToolBarToolBase *tool = node->GetData();
 519             wxBitmap bmpDisabled = tool->GetDisabledBitmap();
 520             if ( bmpDisabled.Ok() )
 521             {
 522                 m_disabledImgList = new wxImageList
 523                                         (
 524                                             m_defaultWidth,
 525                                             m_defaultHeight,
 526                                             bmpDisabled.GetMask() != NULL,
 527                                             GetToolsCount()
 528                                         );
 529                 break;
 530             }
 531         }
 532
 533         // we don't have any disabled bitmaps
 534     }
 535 }
 536
 537 bool wxToolBar::Realize()
 538 {
 539     const size_t nTools = GetToolsCount();
 540     if ( nTools == 0 )
 541         // nothing to do
 542         return true;
 543
 544     const bool isVertical = HasFlag(wxTB_VERTICAL);
 545
 546 #ifdef wxREMAP_BUTTON_COLOURS
 547     // don't change the values of these constants, they can be set from the
 548     // user code via wxSystemOptions
 549     enum
 550     {
 551         Remap_None = -1,
 552         Remap_Bg,
 553         Remap_Buttons,
 554         Remap_TransparentBg
 555     };
 556
 557     // the user-specified option overrides anything, but if it wasn't set, only
 558     // remap the buttons on 8bpp displays as otherwise the bitmaps usually look
 559     // much worse after remapping
 560     static const wxChar *remapOption = wxT("msw.remap");
 561     const int remapValue = wxSystemOptions::HasOption(remapOption)
 562                                 ? wxSystemOptions::GetOptionInt(remapOption)
 563                                 : wxDisplayDepth() <= 8 ? Remap_Buttons
 564                                                         : Remap_None;
 565
 566 #endif // wxREMAP_BUTTON_COLOURS
 567
 568     // delete all old buttons, if any
 569     for ( size_t pos = 0; pos < m_nButtons; pos++ )
 570     {
 571         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
 572         {
 573             wxLogDebug(wxT("TB_DELETEBUTTON failed"));
 574         }
 575     }
 576
 577     // First, add the bitmap: we use one bitmap for all toolbar buttons
 578     // ----------------------------------------------------------------
 579
 580     wxToolBarToolsList::compatibility_iterator node;
 581     int bitmapId = 0;
 582
 583     wxSize sizeBmp;
 584     if ( HasFlag(wxTB_NOICONS) )
 585     {
 586         // no icons, don't leave space for them
 587         sizeBmp.x =
 588         sizeBmp.y = 0;
 589     }
 590     else // do show icons
 591     {
 592         // if we already have a bitmap, we'll replace the existing one --
 593         // otherwise we'll install a new one
 594         HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
 595
 596         sizeBmp.x = m_defaultWidth;
 597         sizeBmp.y = m_defaultHeight;
 598
 599         const wxCoord totalBitmapWidth  = m_defaultWidth *
 600                                           wx_truncate_cast(wxCoord, nTools),
 601                       totalBitmapHeight = m_defaultHeight;
 602
 603         // Create a bitmap and copy all the tool bitmaps into it
 604         wxMemoryDC dcAllButtons;
 605         wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
 606         dcAllButtons.SelectObject(bitmap);
 607
 608 #ifdef wxREMAP_BUTTON_COLOURS
 609         if ( remapValue != Remap_TransparentBg )
 610 #endif // wxREMAP_BUTTON_COLOURS
 611         {
 612             // VZ: why do we hardcode grey colour for CE?
 613             dcAllButtons.SetBackground(wxBrush(
 614 #ifdef __WXWINCE__
 615                                         wxColour(0xc0, 0xc0, 0xc0)
 616 #else // !__WXWINCE__
 617                                         GetBackgroundColour()
 618 #endif // __WXWINCE__/!__WXWINCE__
 619                                        ));
 620             dcAllButtons.Clear();
 621         }
 622
 623         m_hBitmap = bitmap.GetHBITMAP();
 624         HBITMAP hBitmap = (HBITMAP)m_hBitmap;
 625
 626 #ifdef wxREMAP_BUTTON_COLOURS
 627         if ( remapValue == Remap_Bg )
 628         {
 629             dcAllButtons.SelectObject(wxNullBitmap);
 630
 631             // Even if we're not remapping the bitmap
 632             // content, we still have to remap the background.
 633             hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
 634                 totalBitmapWidth, totalBitmapHeight);
 635
 636             dcAllButtons.SelectObject(bitmap);
 637         }
 638 #endif // wxREMAP_BUTTON_COLOURS
 639
 640         // the button position
 641         wxCoord x = 0;
 642
 643         // the number of buttons (not separators)
 644         int nButtons = 0;
 645
 646         CreateDisabledImageList();
 647         for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 648         {
 649             wxToolBarToolBase *tool = node->GetData();
 650             if ( tool->IsButton() )
 651             {
 652                 const wxBitmap& bmp = tool->GetNormalBitmap();
 653
 654                 const int w = bmp.GetWidth();
 655                 const int h = bmp.GetHeight();
 656
 657                 if ( bmp.Ok() )
 658                 {
 659                     int xOffset = wxMax(0, (m_defaultWidth - w)/2);
 660                     int yOffset = wxMax(0, (m_defaultHeight - h)/2);
 661
 662                     // notice the last parameter: do use mask
 663                     dcAllButtons.DrawBitmap(bmp, x + xOffset, yOffset, true);
 664                 }
 665                 else
 666                 {
 667                     wxFAIL_MSG( _T("invalid tool button bitmap") );
 668                 }
 669
 670                 // also deal with disabled bitmap if we want to use them
 671                 if ( m_disabledImgList )
 672                 {
 673                     wxBitmap bmpDisabled = tool->GetDisabledBitmap();
 674 #if wxUSE_IMAGE && wxUSE_WXDIB
 675                     if ( !bmpDisabled.Ok() )
 676                     {
 677                         // no disabled bitmap specified but we still need to
 678                         // fill the space in the image list with something, so
 679                         // we grey out the normal bitmap
 680                         wxImage imgGreyed;
 681                         wxCreateGreyedImage(bmp.ConvertToImage(), imgGreyed);
 682
 683 #ifdef wxREMAP_BUTTON_COLOURS
 684                         if ( remapValue == Remap_Buttons )
 685                         {
 686                             // we need to have light grey background colour for
 687                             // MapBitmap() to work correctly
 688                             for ( int y = 0; y < h; y++ )
 689                             {
 690                                 for ( int x = 0; x < w; x++ )
 691                                 {
 692                                     if ( imgGreyed.IsTransparent(x, y) )
 693                                         imgGreyed.SetRGB(x, y,
 694                                                          wxLIGHT_GREY->Red(),
 695                                                          wxLIGHT_GREY->Green(),
 696                                                          wxLIGHT_GREY->Blue());
 697                                 }
 698                             }
 699                         }
 700 #endif // wxREMAP_BUTTON_COLOURS
 701
 702                         bmpDisabled = wxBitmap(imgGreyed);
 703                     }
 704 #endif // wxUSE_IMAGE
 705
 706 #ifdef wxREMAP_BUTTON_COLOURS
 707                     if ( remapValue == Remap_Buttons )
 708                         MapBitmap(bmpDisabled.GetHBITMAP(), w, h);
 709 #endif // wxREMAP_BUTTON_COLOURS
 710
 711                     m_disabledImgList->Add(bmpDisabled);
 712                 }
 713
 714                 // still inc width and number of buttons because otherwise the
 715                 // subsequent buttons will all be shifted which is rather confusing
 716                 // (and like this you'd see immediately which bitmap was bad)
 717                 x += m_defaultWidth;
 718                 nButtons++;
 719             }
 720         }
 721
 722         dcAllButtons.SelectObject(wxNullBitmap);
 723
 724         // don't delete this HBITMAP!
 725         bitmap.SetHBITMAP(0);
 726
 727 #ifdef wxREMAP_BUTTON_COLOURS
 728         if ( remapValue == Remap_Buttons )
 729         {
 730             // Map to system colours
 731             hBitmap = (HBITMAP)MapBitmap((WXHBITMAP) hBitmap,
 732                                          totalBitmapWidth, totalBitmapHeight);
 733         }
 734 #endif // wxREMAP_BUTTON_COLOURS
 735
 736         bool addBitmap = true;
 737
 738         if ( oldToolBarBitmap )
 739         {
 740 #ifdef TB_REPLACEBITMAP
 741             if ( wxApp::GetComCtl32Version() >= 400 )
 742             {
 743                 TBREPLACEBITMAP replaceBitmap;
 744                 replaceBitmap.hInstOld = NULL;
 745                 replaceBitmap.hInstNew = NULL;
 746                 replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
 747                 replaceBitmap.nIDNew = (UINT) hBitmap;
 748                 replaceBitmap.nButtons = nButtons;
 749                 if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
 750                                     0, (LPARAM) &replaceBitmap) )
 751                 {
 752                     wxFAIL_MSG(wxT("Could not replace the old bitmap"));
 753                 }
 754
 755                 ::DeleteObject(oldToolBarBitmap);
 756
 757                 // already done
 758                 addBitmap = false;
 759             }
 760             else
 761 #endif // TB_REPLACEBITMAP
 762             {
 763                 // we can't replace the old bitmap, so we will add another one
 764                 // (awfully inefficient, but what else to do?) and shift the bitmap
 765                 // indices accordingly
 766                 addBitmap = true;
 767
 768                 bitmapId = m_nButtons;
 769             }
 770         }
 771
 772         if ( addBitmap ) // no old bitmap or we can't replace it
 773         {
 774             TBADDBITMAP addBitmap;
 775             addBitmap.hInst = 0;
 776             addBitmap.nID = (UINT) hBitmap;
 777             if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
 778                                (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
 779             {
 780                 wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
 781             }
 782         }
 783
 784         if ( m_disabledImgList )
 785         {
 786             HIMAGELIST oldImageList = (HIMAGELIST)
 787                 ::SendMessage(GetHwnd(),
 788                               TB_SETDISABLEDIMAGELIST,
 789                               0,
 790                               (LPARAM)GetHimagelistOf(m_disabledImgList));
 791
 792             // delete previous image list if any
 793             if ( oldImageList )
 794                 ::DeleteObject( oldImageList );
 795         }
 796     }
 797
 798     // don't call SetToolBitmapSize() as we don't want to change the values of
 799     // m_defaultWidth/Height
 800     if ( !::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0,
 801                         MAKELONG(sizeBmp.x, sizeBmp.y)) )
 802     {
 803         wxLogLastError(_T("TB_SETBITMAPSIZE"));
 804     }
 805
 806     // Next add the buttons and separators
 807     // -----------------------------------
 808
 809     TBBUTTON *buttons = new TBBUTTON[nTools];
 810
 811     // this array will hold the indices of all controls in the toolbar
 812     wxArrayInt controlIds;
 813
 814     bool lastWasRadio = false;
 815     int i = 0;
 816     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 817     {
 818         wxToolBarToolBase *tool = node->GetData();
 819
 820         // don't add separators to the vertical toolbar with old comctl32.dll
 821         // versions as they didn't handle this properly
 822         if ( isVertical && tool->IsSeparator() &&
 823                 wxApp::GetComCtl32Version() <= 472 )
 824         {
 825             continue;
 826         }
 827
 828         TBBUTTON& button = buttons[i];
 829
 830         wxZeroMemory(button);
 831
 832         bool isRadio = false;
 833         switch ( tool->GetStyle() )
 834         {
 835             case wxTOOL_STYLE_CONTROL:
 836                 button.idCommand = tool->GetId();
 837                 // fall through: create just a separator too
 838
 839             case wxTOOL_STYLE_SEPARATOR:
 840                 button.fsState = TBSTATE_ENABLED;
 841                 button.fsStyle = TBSTYLE_SEP;
 842                 break;
 843
 844             case wxTOOL_STYLE_BUTTON:
 845                 if ( !HasFlag(wxTB_NOICONS) )
 846                     button.iBitmap = bitmapId;
 847
 848                 if ( HasFlag(wxTB_TEXT) )
 849                 {
 850                     const wxString& label = tool->GetLabel();
 851                     if ( !label.empty() )
 852                         button.iString = (int)label.c_str();
 853                 }
 854
 855                 button.idCommand = tool->GetId();
 856
 857                 if ( tool->IsEnabled() )
 858                     button.fsState |= TBSTATE_ENABLED;
 859                 if ( tool->IsToggled() )
 860                     button.fsState |= TBSTATE_CHECKED;
 861
 862                 switch ( tool->GetKind() )
 863                 {
 864                     case wxITEM_RADIO:
 865                         button.fsStyle = TBSTYLE_CHECKGROUP;
 866
 867                         if ( !lastWasRadio )
 868                         {
 869                             // the first item in the radio group is checked by
 870                             // default to be consistent with wxGTK and the menu
 871                             // radio items
 872                             button.fsState |= TBSTATE_CHECKED;
 873
 874                             if (tool->Toggle(true))
 875                             {
 876                                 DoToggleTool(tool, true);
 877                             }
 878                         }
 879                         else if (tool->IsToggled())
 880                         {
 881                             wxToolBarToolsList::compatibility_iterator nodePrev = node->GetPrevious();
 882                             int prevIndex = i - 1;
 883                             while ( nodePrev )
 884                             {
 885                                 TBBUTTON& prevButton = buttons[prevIndex];
 886                                 wxToolBarToolBase *tool = nodePrev->GetData();
 887                                 if ( !tool->IsButton() || tool->GetKind() != wxITEM_RADIO )
 888                                     break;
 889
 890                                 if ( tool->Toggle(false) )
 891                                     DoToggleTool(tool, false);
 892
 893                                 prevButton.fsState = TBSTATE_ENABLED;
 894                                 nodePrev = nodePrev->GetPrevious();
 895                                 prevIndex--;
 896                             }
 897                         }
 898
 899                         isRadio = true;
 900                         break;
 901
 902                     case wxITEM_CHECK:
 903                         button.fsStyle = TBSTYLE_CHECK;
 904                         break;
 905
 906                     case wxITEM_NORMAL:
 907                         button.fsStyle = TBSTYLE_BUTTON;
 908                         break;
 909
 910                     default:
 911                         wxFAIL_MSG( _T("unexpected toolbar button kind") );
 912                         button.fsStyle = TBSTYLE_BUTTON;
 913                         break;
 914                 }
 915
 916                 bitmapId++;
 917                 break;
 918         }
 919
 920         lastWasRadio = isRadio;
 921
 922         i++;
 923     }
 924
 925     if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)buttons) )
 926     {
 927         wxLogLastError(wxT("TB_ADDBUTTONS"));
 928     }
 929
 930     delete [] buttons;
 931
 932     // Deal with the controls finally
 933     // ------------------------------
 934
 935     // adjust the controls size to fit nicely in the toolbar
 936     int y = 0;
 937     size_t index = 0;
 938     for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
 939     {
 940         wxToolBarToolBase *tool = node->GetData();
 941
 942         // we calculate the running y coord for vertical toolbars so we need to
 943         // get the items size for all items but for the horizontal ones we
 944         // don't need to deal with the non controls
 945         bool isControl = tool->IsControl();
 946         if ( !isControl && !isVertical )
 947             continue;
 948
 949         // note that we use TB_GETITEMRECT and not TB_GETRECT because the
 950         // latter only appeared in v4.70 of comctl32.dll
 951         RECT r;
 952         if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
 953                             index, (LPARAM)(LPRECT)&r) )
 954         {
 955             wxLogLastError(wxT("TB_GETITEMRECT"));
 956         }
 957
 958         if ( !isControl )
 959         {
 960             // can only be control if isVertical
 961             y += r.bottom - r.top;
 962
 963             continue;
 964         }
 965
 966         wxControl *control = tool->GetControl();
 967         wxSize size = control->GetSize();
 968
 969         // the position of the leftmost controls corner
 970         int left = wxDefaultCoord;
 971
 972         // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
 973 #ifdef TB_SETBUTTONINFO
 974         // available in headers, now check whether it is available now
 975         // (during run-time)
 976         if ( wxApp::GetComCtl32Version() >= 471 )
 977         {
 978             // set the (underlying) separators width to be that of the
 979             // control
 980             TBBUTTONINFO tbbi;
 981             tbbi.cbSize = sizeof(tbbi);
 982             tbbi.dwMask = TBIF_SIZE;
 983             tbbi.cx = (WORD)size.x;
 984             if ( !::SendMessage(GetHwnd(), TB_SETBUTTONINFO,
 985                                 tool->GetId(), (LPARAM)&tbbi) )
 986             {
 987                 // the id is probably invalid?
 988                 wxLogLastError(wxT("TB_SETBUTTONINFO"));
 989             }
 990         }
 991         else
 992 #endif // comctl32.dll 4.71
 993         // TB_SETBUTTONINFO unavailable
 994         {
 995             // try adding several separators to fit the controls width
 996             int widthSep = r.right - r.left;
 997             left = r.left;
 998
 999             TBBUTTON tbb;
1000             wxZeroMemory(tbb);
1001             tbb.idCommand = 0;
1002             tbb.fsState = TBSTATE_ENABLED;
1003             tbb.fsStyle = TBSTYLE_SEP;
1004
1005             size_t nSeparators = size.x / widthSep;
1006             for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
1007             {
1008                 if ( !::SendMessage(GetHwnd(), TB_INSERTBUTTON,
1009                                     index, (LPARAM)&tbb) )
1010                 {
1011                     wxLogLastError(wxT("TB_INSERTBUTTON"));
1012                 }
1013
1014                 index++;
1015             }
1016
1017             // remember the number of separators we used - we'd have to
1018             // delete all of them later
1019             ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
1020
1021             // adjust the controls width to exactly cover the separators
1022             control->SetSize((nSeparators + 1)*widthSep, wxDefaultCoord);
1023         }
1024
1025         // position the control itself correctly vertically
1026         int height = r.bottom - r.top;
1027         int diff = height - size.y;
1028         if ( diff < 0 )
1029         {
1030             // the control is too high, resize to fit
1031             control->SetSize(wxDefaultCoord, height - 2);
1032
1033             diff = 2;
1034         }
1035
1036         int top;
1037         if ( isVertical )
1038         {
1039             left = 0;
1040             top = y;
1041
1042             y += height + 2 * GetMargins().y;
1043         }
1044         else // horizontal toolbar
1045         {
1046             if ( left == wxDefaultCoord )
1047                 left = r.left;
1048
1049             top = r.top;
1050         }
1051
1052         control->Move(left, top + (diff + 1) / 2);
1053     }
1054
1055     // the max index is the "real" number of buttons - i.e. counting even the
1056     // separators which we added just for aligning the controls
1057     m_nButtons = index;
1058
1059     if ( !isVertical )
1060     {
1061         if ( m_maxRows == 0 )
1062             // if not set yet, only one row
1063             SetRows(1);
1064     }
1065     else if ( m_nButtons > 0 ) // vertical non empty toolbar
1066     {
1067         if ( m_maxRows == 0 )
1068             // if not set yet, have one column
1069             SetRows(m_nButtons);
1070     }
1071
1072     InvalidateBestSize();
1073     UpdateSize();
1074
1075     return true;
1076 }
1077
1078 // ----------------------------------------------------------------------------
1079 // message handlers
1080 // ----------------------------------------------------------------------------
1081
1082 bool wxToolBar::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD id)
1083 {
1084     wxToolBarToolBase *tool = FindById((int)id);
1085     if ( !tool )
1086         return false;
1087
1088     bool toggled = false; // just to suppress warnings
1089
1090     if ( tool->CanBeToggled() )
1091     {
1092         LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
1093         toggled = (state & TBSTATE_CHECKED) != 0;
1094
1095         // ignore the event when a radio button is released, as this doesn't
1096         // seem to happen at all, and is handled otherwise
1097         if ( tool->GetKind() == wxITEM_RADIO && !toggled )
1098             return true;
1099
1100         tool->Toggle(toggled);
1101         UnToggleRadioGroup(tool);
1102     }
1103
1104     // OnLeftClick() can veto the button state change - for buttons which
1105     // may be toggled only, of couse
1106     if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
1107     {
1108         // revert back
1109         tool->Toggle(!toggled);
1110
1111         ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(!toggled, 0));
1112     }
1113
1114     return true;
1115 }
1116
1117 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
1118                             WXLPARAM lParam,
1119                             WXLPARAM *WXUNUSED(result))
1120 {
1121     if( !HasFlag(wxTB_NO_TOOLTIPS) )
1122     {
1123 #if wxUSE_TOOLTIPS
1124         // First check if this applies to us
1125         NMHDR *hdr = (NMHDR *)lParam;
1126
1127         // the tooltips control created by the toolbar is sometimes Unicode, even
1128         // in an ANSI application - this seems to be a bug in comctl32.dll v5
1129         UINT code = hdr->code;
1130         if ( (code != (UINT) TTN_NEEDTEXTA) && (code != (UINT) TTN_NEEDTEXTW) )
1131             return false;
1132
1133         HWND toolTipWnd = (HWND)::SendMessage(GetHwnd(), TB_GETTOOLTIPS, 0, 0);
1134         if ( toolTipWnd != hdr->hwndFrom )
1135             return false;
1136
1137         LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
1138         int id = (int)ttText->hdr.idFrom;
1139
1140         wxToolBarToolBase *tool = FindById(id);
1141         if ( tool )
1142             return HandleTooltipNotify(code, lParam, tool->GetShortHelp());
1143 #else
1144         wxUnusedVar(lParam);
1145 #endif
1146     }
1147
1148     return false;
1149 }
1150
1151 // ----------------------------------------------------------------------------
1152 // toolbar geometry
1153 // ----------------------------------------------------------------------------
1154
1155 void wxToolBar::SetToolBitmapSize(const wxSize& size)
1156 {
1157     wxToolBarBase::SetToolBitmapSize(size);
1158
1159     ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
1160 }
1161
1162 void wxToolBar::SetRows(int nRows)
1163 {
1164     if ( nRows == m_maxRows )
1165     {
1166         // avoid resizing the frame uselessly
1167         return;
1168     }
1169
1170     // TRUE in wParam means to create at least as many rows, FALSE -
1171     // at most as many
1172     RECT rect;
1173     ::SendMessage(GetHwnd(), TB_SETROWS,
1174                   MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
1175                   (LPARAM) &rect);
1176
1177     m_maxRows = nRows;
1178
1179     UpdateSize();
1180 }
1181
1182 // The button size is bigger than the bitmap size
1183 wxSize wxToolBar::GetToolSize() const
1184 {
1185     // TB_GETBUTTONSIZE is supported from version 4.70
1186 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 ) \
1187     && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) \
1188     && !defined (__DIGITALMARS__)
1189     if ( wxApp::GetComCtl32Version() >= 470 )
1190     {
1191         DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
1192
1193         return wxSize(LOWORD(dw), HIWORD(dw));
1194     }
1195     else
1196 #endif // comctl32.dll 4.70+
1197     {
1198         // defaults
1199         return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
1200     }
1201 }
1202
1203 static
1204 wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
1205                                                size_t index )
1206 {
1207     wxToolBarToolsList::compatibility_iterator current = tools.GetFirst();
1208
1209     for ( ; current ; current = current->GetNext() )
1210     {
1211         if ( index == 0 )
1212             return current->GetData();
1213
1214         wxToolBarTool *tool = (wxToolBarTool *)current->GetData();
1215         size_t separators = tool->GetSeparatorsCount();
1216
1217         // if it is a normal button, sepcount == 0, so skip 1 item (the button)
1218         // otherwise, skip as many items as the separator count, plus the
1219         // control itself
1220         index -= separators ? separators + 1 : 1;
1221     }
1222
1223     return 0;
1224 }
1225
1226 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
1227 {
1228     POINT pt;
1229     pt.x = x;
1230     pt.y = y;
1231     int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
1232
1233     // MBN: when the point ( x, y ) is close to the toolbar border
1234     //      TB_HITTEST returns m_nButtons ( not -1 )
1235     if ( index < 0 || (size_t)index >= m_nButtons )
1236         // it's a separator or there is no tool at all there
1237         return (wxToolBarToolBase *)NULL;
1238
1239     // when TB_SETBUTTONINFO is available (both during compile- and run-time),
1240     // we don't use the dummy separators hack
1241 #ifdef TB_SETBUTTONINFO
1242     if ( wxApp::GetComCtl32Version() >= 471 )
1243     {
1244         return m_tools.Item((size_t)index)->GetData();
1245     }
1246     else
1247 #endif // TB_SETBUTTONINFO
1248     {
1249         return GetItemSkippingDummySpacers( m_tools, (size_t) index );
1250     }
1251 }
1252
1253 void wxToolBar::UpdateSize()
1254 {
1255     wxPoint pos = GetPosition();
1256     ::SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
1257     if (pos != GetPosition())
1258         Move(pos);
1259
1260     // In case Realize is called after the initial display (IOW the programmer
1261     // may have rebuilt the toolbar) give the frame the option of resizing the
1262     // toolbar to full width again, but only if the parent is a frame and the
1263     // toolbar is managed by the frame.  Otherwise assume that some other
1264     // layout mechanism is controlling the toolbar size and leave it alone.
1265     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
1266     if ( frame && frame->GetToolBar() == this )
1267     {
1268         frame->SendSizeEvent();
1269     }
1270 }
1271
1272 // ----------------------------------------------------------------------------
1273 // toolbar styles
1274 // ---------------------------------------------------------------------------
1275
1276 void wxToolBar::SetWindowStyleFlag(long style)
1277 {
1278     // the style bits whose changes force us to recreate the toolbar
1279     static const long MASK_NEEDS_RECREATE = wxTB_TEXT | wxTB_NOICONS;
1280
1281     const long styleOld = GetWindowStyle();
1282
1283     wxToolBarBase::SetWindowStyleFlag(style);
1284
1285     // don't recreate an empty toolbar: not only this is unnecessary, but it is
1286     // also fatal as we'd then try to recreate the toolbar when it's just being
1287     // created
1288     if ( GetToolsCount() &&
1289             (style & MASK_NEEDS_RECREATE) != (styleOld & MASK_NEEDS_RECREATE) )
1290     {
1291         // to remove the text labels, simply re-realizing the toolbar is enough
1292         // but I don't know of any way to add the text to an existing toolbar
1293         // other than by recreating it entirely
1294         Recreate();
1295     }
1296 }
1297
1298 // ----------------------------------------------------------------------------
1299 // tool state
1300 // ----------------------------------------------------------------------------
1301
1302 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
1303 {
1304     ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
1305                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
1306 }
1307
1308 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
1309 {
1310     ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
1311                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
1312 }
1313
1314 void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
1315 {
1316     // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
1317     //     without, so we really need to delete the button and recreate it here
1318     wxFAIL_MSG( _T("not implemented") );
1319 }
1320
1321 // ----------------------------------------------------------------------------
1322 // event handlers
1323 // ----------------------------------------------------------------------------
1324
1325 // Responds to colour changes, and passes event on to children.
1326 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
1327 {
1328     wxRGBToColour(m_backgroundColour, ::GetSysColor(COLOR_BTNFACE));
1329
1330     // Remap the buttons
1331     Realize();
1332
1333     // Relayout the toolbar
1334     int nrows = m_maxRows;
1335     m_maxRows = 0;      // otherwise SetRows() wouldn't do anything
1336     SetRows(nrows);
1337
1338     Refresh();
1339
1340     // let the event propagate further
1341     event.Skip();
1342 }
1343
1344 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
1345 {
1346     if (event.Leaving() && m_pInTool)
1347     {
1348         OnMouseEnter( -1 );
1349         event.Skip();
1350         return;
1351     }
1352
1353     if ( event.RightDown() )
1354     {
1355         // find the tool under the mouse
1356         wxCoord x = 0, y = 0;
1357         event.GetPosition(&x, &y);
1358
1359         wxToolBarToolBase *tool = FindToolForPosition(x, y);
1360         OnRightClick(tool ? tool->GetId() : -1, x, y);
1361     }
1362     else
1363     {
1364         event.Skip();
1365     }
1366 }
1367
1368 // This handler is required to allow the toolbar to be set to a non-default
1369 // colour: for example, when it must blend in with a notebook page.
1370 void wxToolBar::OnEraseBackground(wxEraseEvent& event)
1371 {
1372     RECT rect = wxGetClientRect(GetHwnd());
1373     HDC hdc = GetHdcOf((*event.GetDC()));
1374
1375     if ( UseBgCol() )
1376     {
1377         // do draw our background
1378         //
1379         // notice that this 'dumb' implementation may cause flicker for some of
1380         // the controls in which case they should intercept wxEraseEvent and
1381         // process it themselves somehow
1382         AutoHBRUSH hBrush(wxColourToRGB(GetBackgroundColour()));
1383
1384         wxCHANGE_HDC_MAP_MODE(hdc, MM_TEXT);
1385         ::FillRect(hdc, &rect, hBrush);
1386     }
1387     else // we have no non default background colour
1388     {
1389 #if wxUSE_UXTHEME
1390         // we may need to draw themed colour so that we appear correctly on
1391         // e.g. notebook page under XP with themes but only do it if the parent
1392         // draws themed background itself
1393         if ( !GetParent()->UseBgCol() )
1394         {
1395             wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive();
1396             if ( theme )
1397             {
1398                 HRESULT
1399                     hr = theme->DrawThemeParentBackground(GetHwnd(), hdc, &rect);
1400                 if ( hr == S_OK )
1401                     return;
1402
1403                 // it can also return S_FALSE which seems to simply say that it
1404                 // didn't draw anything but no error really occurred
1405                 if ( FAILED(hr) )
1406                     wxLogApiError(_T("DrawThemeParentBackground(toolbar)"), hr);
1407             }
1408         }
1409 #endif // wxUSE_UXTHEME
1410
1411         event.Skip();
1412         return;
1413     }
1414 }
1415
1416 bool wxToolBar::HandleSize(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1417 {
1418     // calculate our minor dimension ourselves - we're confusing the standard
1419     // logic (TB_AUTOSIZE) with our horizontal toolbars and other hacks
1420     RECT r;
1421     if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
1422     {
1423         int w, h;
1424
1425         if ( GetWindowStyle() & wxTB_VERTICAL )
1426         {
1427             w = r.right - r.left;
1428             if ( m_maxRows )
1429             {
1430                 w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
1431             }
1432             h = HIWORD(lParam);
1433         }
1434         else
1435         {
1436             w = LOWORD(lParam);
1437             if (HasFlag( wxTB_FLAT ))
1438                 h = r.bottom - r.top - 3;
1439             else
1440                 h = r.bottom - r.top;
1441             if ( m_maxRows )
1442             {
1443                 // FIXME: hardcoded separator line height...
1444                 h += HasFlag(wxTB_NODIVIDER) ? 4 : 6;
1445                 h *= m_maxRows;
1446             }
1447         }
1448
1449         if ( MAKELPARAM(w, h) != lParam )
1450         {
1451             // size really changed
1452             SetSize(w, h);
1453         }
1454
1455         // message processed
1456         return true;
1457     }
1458
1459     return false;
1460 }
1461
1462 bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
1463 {
1464     // erase any dummy separators which were used
1465     // for aligning the controls if any here
1466
1467     // first of all, are there any controls at all?
1468     wxToolBarToolsList::compatibility_iterator node;
1469     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1470     {
1471         if ( node->GetData()->IsControl() )
1472             break;
1473     }
1474
1475     if ( !node )
1476         // no controls, nothing to erase
1477         return false;
1478
1479     // prepare the DC on which we'll be drawing
1480     wxClientDC dc(this);
1481     dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
1482     dc.SetPen(*wxTRANSPARENT_PEN);
1483
1484     RECT r;
1485     if ( !::GetUpdateRect(GetHwnd(), &r, FALSE) )
1486         // nothing to redraw anyhow
1487         return false;
1488
1489     wxRect rectUpdate;
1490     wxCopyRECTToRect(r, rectUpdate);
1491
1492     dc.SetClippingRegion(rectUpdate);
1493
1494     // draw the toolbar tools, separators &c normally
1495     wxControl::MSWWindowProc(WM_PAINT, wParam, lParam);
1496
1497     // for each control in the toolbar find all the separators intersecting it
1498     // and erase them
1499     //
1500     // NB: this is really the only way to do it as we don't know if a separator
1501     //     corresponds to a control (i.e. is a dummy one) or a real one
1502     //     otherwise
1503     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
1504     {
1505         wxToolBarToolBase *tool = node->GetData();
1506         if ( tool->IsControl() )
1507         {
1508             // get the control rect in our client coords
1509             wxControl *control = tool->GetControl();
1510             wxRect rectCtrl = control->GetRect();
1511
1512             // iterate over all buttons
1513             TBBUTTON tbb;
1514             int count = ::SendMessage(GetHwnd(), TB_BUTTONCOUNT, 0, 0);
1515             for ( int n = 0; n < count; n++ )
1516             {
1517                 // is it a separator?
1518                 if ( !::SendMessage(GetHwnd(), TB_GETBUTTON,
1519                                     n, (LPARAM)&tbb) )
1520                 {
1521                     wxLogDebug(_T("TB_GETBUTTON failed?"));
1522
1523                     continue;
1524                 }
1525
1526                 if ( tbb.fsStyle != TBSTYLE_SEP )
1527                     continue;
1528
1529                 // get the bounding rect of the separator
1530                 RECT r;
1531                 if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT,
1532                                     n, (LPARAM)&r) )
1533                 {
1534                     wxLogDebug(_T("TB_GETITEMRECT failed?"));
1535
1536                     continue;
1537                 }
1538
1539                 // does it intersect the control?
1540                 wxRect rectItem;
1541                 wxCopyRECTToRect(r, rectItem);
1542                 if ( rectCtrl.Intersects(rectItem) )
1543                 {
1544                     // yes, do erase it!
1545                     dc.DrawRectangle(rectItem);
1546
1547                     // Necessary in case we use a no-paint-on-size
1548                     // style in the parent: the controls can disappear
1549                     control->Refresh(false);
1550                 }
1551             }
1552         }
1553     }
1554
1555     return true;
1556 }
1557
1558 void wxToolBar::HandleMouseMove(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
1559 {
1560     wxCoord x = GET_X_LPARAM(lParam),
1561             y = GET_Y_LPARAM(lParam);
1562     wxToolBarToolBase* tool = FindToolForPosition( x, y );
1563
1564     // cursor left current tool
1565     if ( tool != m_pInTool && !tool )
1566     {
1567         m_pInTool = 0;
1568         OnMouseEnter( -1 );
1569     }
1570
1571     // cursor entered a tool
1572     if ( tool != m_pInTool && tool )
1573     {
1574         m_pInTool = tool;
1575         OnMouseEnter( tool->GetId() );
1576     }
1577 }
1578
1579 WXLRESULT wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1580 {
1581     switch ( nMsg )
1582     {
1583         case WM_MOUSEMOVE:
1584             // we don't handle mouse moves, so always pass the message to
1585             // wxControl::MSWWindowProc (HandleMouseMove just calls OnMouseEnter)
1586             HandleMouseMove(wParam, lParam);
1587             break;
1588
1589         case WM_SIZE:
1590             if ( HandleSize(wParam, lParam) )
1591                 return 0;
1592             break;
1593
1594 #ifndef __WXWINCE__
1595         case WM_PAINT:
1596             if ( HandlePaint(wParam, lParam) )
1597                 return 0;
1598 #endif
1599
1600         default:
1601             break;
1602     }
1603
1604     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1605 }
1606
1607 // ----------------------------------------------------------------------------
1608 // private functions
1609 // ----------------------------------------------------------------------------
1610
1611 #ifdef wxREMAP_BUTTON_COLOURS
1612
1613 WXHBITMAP wxToolBar::MapBitmap(WXHBITMAP bitmap, int width, int height)
1614 {
1615     MemoryHDC hdcMem;
1616
1617     if ( !hdcMem )
1618     {
1619         wxLogLastError(_T("CreateCompatibleDC"));
1620
1621         return bitmap;
1622     }
1623
1624     SelectInHDC bmpInHDC(hdcMem, (HBITMAP)bitmap);
1625
1626     if ( !bmpInHDC )
1627     {
1628         wxLogLastError(_T("SelectObject"));
1629
1630         return bitmap;
1631     }
1632
1633     wxCOLORMAP *cmap = wxGetStdColourMap();
1634
1635     for ( int i = 0; i < width; i++ )
1636     {
1637         for ( int j = 0; j < height; j++ )
1638         {
1639             COLORREF pixel = ::GetPixel(hdcMem, i, j);
1640
1641             for ( size_t k = 0; k < wxSTD_COL_MAX; k++ )
1642             {
1643                 COLORREF col = cmap[k].from;
1644                 if ( abs(GetRValue(pixel) - GetRValue(col)) < 10 &&
1645                      abs(GetGValue(pixel) - GetGValue(col)) < 10 &&
1646                      abs(GetBValue(pixel) - GetBValue(col)) < 10 )
1647                 {
1648                     if ( cmap[k].to != pixel )
1649                         ::SetPixel(hdcMem, i, j, cmap[k].to);
1650                     break;
1651                 }
1652             }
1653         }
1654     }
1655
1656     return bitmap;
1657 }
1658
1659 #endif // wxREMAP_BUTTON_COLOURS
1660
1661 #endif // wxUSE_TOOLBAR