src/msw/notebook.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/notebook.cpp
   3 // Purpose:     implementation of wxNotebook
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     11.06.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_NOTEBOOK
  20
  21 #include "wx/notebook.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  25     #include "wx/string.h"
  26     #include "wx/dc.h"
  27     #include "wx/log.h"
  28     #include "wx/event.h"
  29     #include "wx/app.h"
  30     #include "wx/dcclient.h"
  31     #include "wx/dcmemory.h"
  32     #include "wx/control.h"
  33 #endif  // WX_PRECOMP
  34
  35 #include "wx/imaglist.h"
  36 #include "wx/sysopt.h"
  37
  38 #include "wx/msw/private.h"
  39 #include "wx/msw/dc.h"
  40
  41 #include <windowsx.h>
  42 #include "wx/msw/winundef.h"
  43
  44 #if wxUSE_UXTHEME
  45     #include "wx/msw/uxtheme.h"
  46 #endif
  47
  48 // ----------------------------------------------------------------------------
  49 // macros
  50 // ----------------------------------------------------------------------------
  51
  52 // check that the page index is valid
  53 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  54
  55 // you can set USE_NOTEBOOK_ANTIFLICKER to 0 for desktop Windows versions too
  56 // to disable code whih results in flicker-less notebook redrawing at the
  57 // expense of some extra GDI resource consumption
  58 #ifdef __WXWINCE__
  59     // notebooks are never resized under CE anyhow
  60     #define USE_NOTEBOOK_ANTIFLICKER    0
  61 #else
  62     #define USE_NOTEBOOK_ANTIFLICKER    1
  63 #endif
  64
  65 // ----------------------------------------------------------------------------
  66 // constants
  67 // ----------------------------------------------------------------------------
  68
  69 // This is a work-around for missing defines in gcc-2.95 headers
  70 #ifndef TCS_RIGHT
  71     #define TCS_RIGHT       0x0002
  72 #endif
  73
  74 #ifndef TCS_VERTICAL
  75     #define TCS_VERTICAL    0x0080
  76 #endif
  77
  78 #ifndef TCS_BOTTOM
  79     #define TCS_BOTTOM      TCS_RIGHT
  80 #endif
  81
  82 // ----------------------------------------------------------------------------
  83 // global variables
  84 // ----------------------------------------------------------------------------
  85
  86 #if USE_NOTEBOOK_ANTIFLICKER
  87
  88 // the pointer to standard spin button wnd proc
  89 static WXFARPROC gs_wndprocNotebookSpinBtn = (WXFARPROC)NULL;
  90
  91 // the pointer to standard tab control wnd proc
  92 static WXFARPROC gs_wndprocNotebook = (WXFARPROC)NULL;
  93
  94 LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
  95                                            UINT message,
  96                                            WPARAM wParam,
  97                                            LPARAM lParam);
  98
  99 #endif // USE_NOTEBOOK_ANTIFLICKER
 100
 101 // ----------------------------------------------------------------------------
 102 // global functions
 103 // ----------------------------------------------------------------------------
 104
 105 static bool HasTroubleWithNonTopTabs()
 106 {
 107     const int verComCtl32 = wxApp::GetComCtl32Version();
 108
 109     // 600 is XP, 616 is Vista -- and both have a problem with tabs not on top
 110     // (but don't just test for >= 600 as Microsoft might decide to fix it in
 111     // later versions, who knows...)
 112     return verComCtl32 >= 600 && verComCtl32 <= 616;
 113 }
 114
 115 // ----------------------------------------------------------------------------
 116 // event table
 117 // ----------------------------------------------------------------------------
 118
 119 #include "wx/listimpl.cpp"
 120
 121 WX_DEFINE_LIST( wxNotebookPageInfoList )
 122
 123 BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
 124     EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
 125     EVT_SIZE(wxNotebook::OnSize)
 126     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 127
 128 #if USE_NOTEBOOK_ANTIFLICKER
 129     EVT_ERASE_BACKGROUND(wxNotebook::OnEraseBackground)
 130     EVT_PAINT(wxNotebook::OnPaint)
 131 #endif // USE_NOTEBOOK_ANTIFLICKER
 132 END_EVENT_TABLE()
 133
 134 #if wxUSE_EXTENDED_RTTI
 135 WX_DEFINE_FLAGS( wxNotebookStyle )
 136
 137 wxBEGIN_FLAGS( wxNotebookStyle )
 138     // new style border flags, we put them first to
 139     // use them for streaming out
 140     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 141     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 142     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 143     wxFLAGS_MEMBER(wxBORDER_RAISED)
 144     wxFLAGS_MEMBER(wxBORDER_STATIC)
 145     wxFLAGS_MEMBER(wxBORDER_NONE)
 146
 147     // old style border flags
 148     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 149     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 150     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 151     wxFLAGS_MEMBER(wxRAISED_BORDER)
 152     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 153     wxFLAGS_MEMBER(wxBORDER)
 154
 155     // standard window styles
 156     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 157     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 158     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 159     wxFLAGS_MEMBER(wxWANTS_CHARS)
 160     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 161     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 162     wxFLAGS_MEMBER(wxVSCROLL)
 163     wxFLAGS_MEMBER(wxHSCROLL)
 164
 165     wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)
 166     wxFLAGS_MEMBER(wxBK_DEFAULT)
 167     wxFLAGS_MEMBER(wxBK_TOP)
 168     wxFLAGS_MEMBER(wxBK_LEFT)
 169     wxFLAGS_MEMBER(wxBK_RIGHT)
 170     wxFLAGS_MEMBER(wxBK_BOTTOM)
 171     wxFLAGS_MEMBER(wxNB_NOPAGETHEME)
 172     wxFLAGS_MEMBER(wxNB_FLAT)
 173
 174 wxEND_FLAGS( wxNotebookStyle )
 175
 176 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebook, wxBookCtrlBase,"wx/notebook.h")
 177 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebookPageInfo, wxObject , "wx/notebook.h" )
 178
 179 wxCOLLECTION_TYPE_INFO( wxNotebookPageInfo * , wxNotebookPageInfoList ) ;
 180
 181 template<> void wxCollectionToVariantArray( wxNotebookPageInfoList const &theList, wxxVariantArray &value)
 182 {
 183     wxListCollectionToVariantArray<wxNotebookPageInfoList::compatibility_iterator>( theList , value ) ;
 184 }
 185
 186 wxBEGIN_PROPERTIES_TABLE(wxNotebook)
 187     wxEVENT_PROPERTY( PageChanging , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING , wxBookCtrlEvent )
 188     wxEVENT_PROPERTY( PageChanged , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED , wxBookCtrlEvent )
 189
 190     wxPROPERTY_COLLECTION( PageInfos , wxNotebookPageInfoList , wxNotebookPageInfo* , AddPageInfo , GetPageInfos , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 191     wxPROPERTY_FLAGS( WindowStyle , wxNotebookStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 192 wxEND_PROPERTIES_TABLE()
 193
 194 wxBEGIN_HANDLERS_TABLE(wxNotebook)
 195 wxEND_HANDLERS_TABLE()
 196
 197 wxCONSTRUCTOR_5( wxNotebook , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle)
 198
 199
 200 wxBEGIN_PROPERTIES_TABLE(wxNotebookPageInfo)
 201     wxREADONLY_PROPERTY( Page , wxNotebookPage* , GetPage , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 202     wxREADONLY_PROPERTY( Text , wxString , GetText , wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 203     wxREADONLY_PROPERTY( Selected , bool , GetSelected , false, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 204     wxREADONLY_PROPERTY( ImageId , int , GetImageId , -1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 205 wxEND_PROPERTIES_TABLE()
 206
 207 wxBEGIN_HANDLERS_TABLE(wxNotebookPageInfo)
 208 wxEND_HANDLERS_TABLE()
 209
 210 wxCONSTRUCTOR_4( wxNotebookPageInfo , wxNotebookPage* , Page , wxString , Text , bool , Selected , int , ImageId )
 211
 212 #else
 213 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
 214 IMPLEMENT_DYNAMIC_CLASS(wxNotebookPageInfo, wxObject )
 215 #endif
 216
 217 // ============================================================================
 218 // implementation
 219 // ============================================================================
 220
 221 // ----------------------------------------------------------------------------
 222 // wxNotebook construction
 223 // ----------------------------------------------------------------------------
 224
 225 const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
 226 {
 227     wxNotebookPageInfoList* list = const_cast< wxNotebookPageInfoList* >( &m_pageInfos ) ;
 228     WX_CLEAR_LIST( wxNotebookPageInfoList , *list ) ;
 229     for( size_t i = 0 ; i < GetPageCount() ; ++i )
 230     {
 231         wxNotebookPageInfo *info = new wxNotebookPageInfo() ;
 232         info->Create( const_cast<wxNotebook*>(this)->GetPage(i) , GetPageText(i) , GetSelection() == int(i) , GetPageImage(i) ) ;
 233         list->Append( info ) ;
 234     }
 235     return m_pageInfos ;
 236 }
 237
 238 // common part of all ctors
 239 void wxNotebook::Init()
 240 {
 241     m_imageList = NULL;
 242     m_nSelection = wxNOT_FOUND;
 243
 244 #if wxUSE_UXTHEME
 245     m_hbrBackground = NULL;
 246 #endif // wxUSE_UXTHEME
 247
 248 #if USE_NOTEBOOK_ANTIFLICKER
 249     m_hasSubclassedUpdown = false;
 250 #endif // USE_NOTEBOOK_ANTIFLICKER
 251 }
 252
 253 // default for dynamic class
 254 wxNotebook::wxNotebook()
 255 {
 256   Init();
 257 }
 258
 259 // the same arguments as for wxControl
 260 wxNotebook::wxNotebook(wxWindow *parent,
 261                        wxWindowID id,
 262                        const wxPoint& pos,
 263                        const wxSize& size,
 264                        long style,
 265                        const wxString& name)
 266 {
 267   Init();
 268
 269   Create(parent, id, pos, size, style, name);
 270 }
 271
 272 // Create() function
 273 bool wxNotebook::Create(wxWindow *parent,
 274                         wxWindowID id,
 275                         const wxPoint& pos,
 276                         const wxSize& size,
 277                         long style,
 278                         const wxString& name)
 279 {
 280     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 281     {
 282 #if defined(__POCKETPC__)
 283         style |= wxBK_BOTTOM | wxNB_FLAT;
 284 #else
 285         style |= wxBK_TOP;
 286 #endif
 287     }
 288
 289 #ifdef __WXWINCE__
 290     // Not sure why, but without this style, there is no border
 291     // around the notebook tabs.
 292     if (style & wxNB_FLAT)
 293         style |= wxBORDER_SUNKEN;
 294 #endif
 295
 296 #if !wxUSE_UXTHEME
 297     // ComCtl32 notebook tabs simply don't work unless they're on top if we
 298     // have uxtheme, we can work around it later (after control creation), but
 299     // if we have been compiled without uxtheme support, we have to clear those
 300     // styles
 301     if ( HasTroubleWithNonTopTabs() )
 302     {
 303         style &= ~(wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT);
 304     }
 305 #endif //wxUSE_UXTHEME
 306
 307 #if defined(__WINE__) && wxUSE_UNICODE
 308     LPCTSTR className = L"SysTabControl32";
 309 #else
 310     LPCTSTR className = WC_TABCONTROL;
 311 #endif
 312
 313 #if USE_NOTEBOOK_ANTIFLICKER
 314     // SysTabCtl32 class has natively CS_HREDRAW and CS_VREDRAW enabled and it
 315     // causes horrible flicker when resizing notebook, so get rid of it by
 316     // using a class without these styles (but otherwise identical to it)
 317     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
 318     {
 319         static ClassRegistrar s_clsNotebook;
 320         if ( !s_clsNotebook.IsInitialized() )
 321         {
 322             // get a copy of standard class and modify it
 323             WNDCLASS wc;
 324
 325             if ( ::GetClassInfo(NULL, WC_TABCONTROL, &wc) )
 326             {
 327                 gs_wndprocNotebook =
 328                     wx_reinterpret_cast(WXFARPROC, wc.lpfnWndProc);
 329                 wc.lpszClassName = wxT("_wx_SysTabCtl32");
 330                 wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
 331                 wc.hInstance = wxGetInstance();
 332                 wc.lpfnWndProc = wxNotebookWndProc;
 333                 s_clsNotebook.Register(wc);
 334             }
 335             else
 336             {
 337                 wxLogLastError(_T("GetClassInfoEx(SysTabCtl32)"));
 338             }
 339         }
 340
 341         // use our custom class if available but fall back to the standard
 342         // notebook if we failed to register it
 343         if ( s_clsNotebook.IsRegistered() )
 344         {
 345             // it's ok to use c_str() here as the static s_clsNotebook object
 346             // has sufficiently long lifetime
 347             className = s_clsNotebook.GetName().c_str();
 348         }
 349     }
 350 #endif // USE_NOTEBOOK_ANTIFLICKER
 351
 352     if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
 353                         wxDefaultValidator, name) )
 354         return false;
 355
 356     if ( !MSWCreateControl(className, wxEmptyString, pos, size) )
 357         return false;
 358
 359 #if wxUSE_UXTHEME
 360     if ( HasFlag(wxNB_NOPAGETHEME) ||
 361             wxSystemOptions::IsFalse(wxT("msw.notebook.themed-background")) )
 362     {
 363         SetBackgroundColour(GetThemeBackgroundColour());
 364     }
 365     else // use themed background by default
 366     {
 367         // create backing store
 368         UpdateBgBrush();
 369     }
 370
 371     // comctl32.dll 6.0 doesn't support non-top tabs with visual styles (the
 372     // control is simply not rendered correctly), so we disable themes
 373     // if possible, otherwise we simply clear the styles.
 374     if ( HasTroubleWithNonTopTabs() &&
 375             (style & (wxBK_BOTTOM | wxBK_LEFT | wxBK_RIGHT)) )
 376     {
 377         // check if we use themes at all -- if we don't, we're still okay
 378         if ( wxUxThemeEngine::GetIfActive() )
 379         {
 380             wxUxThemeEngine::GetIfActive()->SetWindowTheme(GetHwnd(), L"", L"");
 381
 382             // correct the background color for the new non-themed control
 383             SetBackgroundColour(GetThemeBackgroundColour());
 384         }
 385     }
 386 #endif // wxUSE_UXTHEME
 387
 388     // Undocumented hack to get flat notebook style
 389     // In fact, we should probably only do this in some
 390     // curcumstances, i.e. if we know we will have a border
 391     // at the bottom (the tab control doesn't draw it itself)
 392 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
 393     if (HasFlag(wxNB_FLAT))
 394     {
 395         SendMessage(GetHwnd(), CCM_SETVERSION, COMCTL32_VERSION, 0);
 396         if (!m_hasBgCol)
 397             SetBackgroundColour(*wxWHITE);
 398     }
 399 #endif
 400     return true;
 401 }
 402
 403 WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
 404 {
 405     WXDWORD tabStyle = wxControl::MSWGetStyle(style, exstyle);
 406
 407     tabStyle |= WS_TABSTOP | TCS_TABS;
 408
 409     if ( style & wxNB_MULTILINE )
 410         tabStyle |= TCS_MULTILINE;
 411     if ( style & wxNB_FIXEDWIDTH )
 412         tabStyle |= TCS_FIXEDWIDTH;
 413
 414     if ( style & wxBK_BOTTOM )
 415         tabStyle |= TCS_RIGHT;
 416     else if ( style & wxBK_LEFT )
 417         tabStyle |= TCS_VERTICAL;
 418     else if ( style & wxBK_RIGHT )
 419         tabStyle |= TCS_VERTICAL | TCS_RIGHT;
 420
 421     // ex style
 422     if ( exstyle )
 423     {
 424         // note that we never want to have the default WS_EX_CLIENTEDGE style
 425         // as it looks too ugly for the notebooks
 426         *exstyle = 0;
 427     }
 428
 429     return tabStyle;
 430 }
 431
 432 wxNotebook::~wxNotebook()
 433 {
 434 #if wxUSE_UXTHEME
 435     if ( m_hbrBackground )
 436         ::DeleteObject((HBRUSH)m_hbrBackground);
 437 #endif // wxUSE_UXTHEME
 438 }
 439
 440 // ----------------------------------------------------------------------------
 441 // wxNotebook accessors
 442 // ----------------------------------------------------------------------------
 443
 444 size_t wxNotebook::GetPageCount() const
 445 {
 446     // consistency check
 447     wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(GetHwnd()) );
 448
 449     return m_pages.Count();
 450 }
 451
 452 int wxNotebook::GetRowCount() const
 453 {
 454     return TabCtrl_GetRowCount(GetHwnd());
 455 }
 456
 457 int wxNotebook::SetSelection(size_t nPage)
 458 {
 459     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 460
 461     if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
 462     {
 463         if ( SendPageChangingEvent(nPage) )
 464         {
 465             // program allows the page change
 466             SendPageChangedEvent(m_nSelection, nPage);
 467
 468             TabCtrl_SetCurSel(GetHwnd(), nPage);
 469         }
 470     }
 471
 472     return m_nSelection;
 473 }
 474
 475 void wxNotebook::UpdateSelection(int selNew)
 476 {
 477     if ( m_nSelection != wxNOT_FOUND )
 478         m_pages[m_nSelection]->Show(false);
 479
 480     if ( selNew != wxNOT_FOUND )
 481     {
 482         wxNotebookPage *pPage = m_pages[selNew];
 483         pPage->Show(true);
 484     }
 485
 486     // Changing the page should give the focus to it but, as per bug report
 487     // http://sf.net/tracker/index.php?func=detail&aid=1150659&group_id=9863&atid=109863,
 488     // we should not set the focus to it directly since it erroneously
 489     // selects radio buttons and breaks keyboard handling for a notebook's
 490     // scroll buttons. So give focus to the notebook and not the page.
 491
 492     // but don't do this is the notebook is hidden
 493     if ( ::IsWindowVisible(GetHwnd()) )
 494         SetFocus();
 495
 496     m_nSelection = selNew;
 497 }
 498
 499 int wxNotebook::ChangeSelection(size_t nPage)
 500 {
 501     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 502
 503     if ( m_nSelection == wxNOT_FOUND || nPage != (size_t)m_nSelection )
 504     {
 505         TabCtrl_SetCurSel(GetHwnd(), nPage);
 506
 507         UpdateSelection(nPage);
 508     }
 509
 510     return m_nSelection;
 511 }
 512
 513 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 514 {
 515     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 516
 517     TC_ITEM tcItem;
 518     tcItem.mask = TCIF_TEXT;
 519     tcItem.pszText = (wxChar *)strText.wx_str();
 520
 521     if ( !HasFlag(wxNB_MULTILINE) )
 522         return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 523
 524     // multiline - we need to set new page size if a line is added or removed
 525     int rows = GetRowCount();
 526     bool ret = TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 527
 528     if ( ret && rows != GetRowCount() )
 529     {
 530         const wxRect r = GetPageSize();
 531         const size_t count = m_pages.Count();
 532         for ( size_t page = 0; page < count; page++ )
 533             m_pages[page]->SetSize(r);
 534     }
 535
 536     return ret;
 537 }
 538
 539 wxString wxNotebook::GetPageText(size_t nPage) const
 540 {
 541     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
 542
 543     wxChar buf[256];
 544     TC_ITEM tcItem;
 545     tcItem.mask = TCIF_TEXT;
 546     tcItem.pszText = buf;
 547     tcItem.cchTextMax = WXSIZEOF(buf);
 548
 549     wxString str;
 550     if ( TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) )
 551         str = tcItem.pszText;
 552
 553     return str;
 554 }
 555
 556 int wxNotebook::GetPageImage(size_t nPage) const
 557 {
 558     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 559
 560     TC_ITEM tcItem;
 561     tcItem.mask = TCIF_IMAGE;
 562
 563     return TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) ? tcItem.iImage
 564                                                       : wxNOT_FOUND;
 565 }
 566
 567 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 568 {
 569     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 570
 571     TC_ITEM tcItem;
 572     tcItem.mask = TCIF_IMAGE;
 573     tcItem.iImage = nImage;
 574
 575     return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 576 }
 577
 578 void wxNotebook::SetImageList(wxImageList* imageList)
 579 {
 580     wxNotebookBase::SetImageList(imageList);
 581
 582     if ( imageList )
 583     {
 584         (void) TabCtrl_SetImageList(GetHwnd(), GetHimagelistOf(imageList));
 585     }
 586 }
 587
 588 // ----------------------------------------------------------------------------
 589 // wxNotebook size settings
 590 // ----------------------------------------------------------------------------
 591
 592 wxRect wxNotebook::GetPageSize() const
 593 {
 594     wxRect r;
 595
 596     RECT rc;
 597     ::GetClientRect(GetHwnd(), &rc);
 598
 599     // This check is to work around a bug in TabCtrl_AdjustRect which will
 600     // cause a crash on win2k or on XP with themes disabled if either
 601     // wxNB_MULTILINE is used or tabs are placed on a side, if the rectangle
 602     // is too small.
 603     //
 604     // The value of 20 is chosen arbitrarily but seems to work
 605     if ( rc.right > 20 && rc.bottom > 20 )
 606     {
 607         TabCtrl_AdjustRect(GetHwnd(), false, &rc);
 608
 609         wxCopyRECTToRect(rc, r);
 610     }
 611
 612     return r;
 613 }
 614
 615 void wxNotebook::SetPageSize(const wxSize& size)
 616 {
 617     // transform the page size into the notebook size
 618     RECT rc;
 619     rc.left =
 620     rc.top = 0;
 621     rc.right = size.x;
 622     rc.bottom = size.y;
 623
 624     TabCtrl_AdjustRect(GetHwnd(), true, &rc);
 625
 626     // and now set it
 627     SetSize(rc.right - rc.left, rc.bottom - rc.top);
 628 }
 629
 630 void wxNotebook::SetPadding(const wxSize& padding)
 631 {
 632     TabCtrl_SetPadding(GetHwnd(), padding.x, padding.y);
 633 }
 634
 635 // Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
 636 // style.
 637 void wxNotebook::SetTabSize(const wxSize& sz)
 638 {
 639     ::SendMessage(GetHwnd(), TCM_SETITEMSIZE, 0, MAKELPARAM(sz.x, sz.y));
 640 }
 641
 642 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 643 {
 644     // we can't use TabCtrl_AdjustRect here because it only works for wxNB_TOP
 645     wxSize sizeTotal = sizePage;
 646
 647     wxSize tabSize;
 648     if ( GetPageCount() > 0 )
 649     {
 650         RECT rect;
 651         TabCtrl_GetItemRect(GetHwnd(), 0, &rect);
 652         tabSize.x = rect.right - rect.left;
 653         tabSize.y = rect.bottom - rect.top;
 654     }
 655
 656     // add an extra margin in both directions
 657     const int MARGIN = 8;
 658     if ( IsVertical() )
 659     {
 660         sizeTotal.x += MARGIN;
 661         sizeTotal.y += tabSize.y + MARGIN;
 662     }
 663     else // horizontal layout
 664     {
 665         sizeTotal.x += tabSize.x + MARGIN;
 666         sizeTotal.y += MARGIN;
 667     }
 668
 669     return sizeTotal;
 670 }
 671
 672 void wxNotebook::AdjustPageSize(wxNotebookPage *page)
 673 {
 674     wxCHECK_RET( page, _T("NULL page in wxNotebook::AdjustPageSize") );
 675
 676     const wxRect r = GetPageSize();
 677     if ( !r.IsEmpty() )
 678     {
 679         page->SetSize(r);
 680     }
 681 }
 682
 683 // ----------------------------------------------------------------------------
 684 // wxNotebook operations
 685 // ----------------------------------------------------------------------------
 686
 687 // remove one page from the notebook, without deleting
 688 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 689 {
 690     wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
 691     if ( !pageRemoved )
 692         return NULL;
 693
 694     TabCtrl_DeleteItem(GetHwnd(), nPage);
 695
 696     if ( m_pages.IsEmpty() )
 697     {
 698         // no selection any more, the notebook becamse empty
 699         m_nSelection = wxNOT_FOUND;
 700     }
 701     else // notebook still not empty
 702     {
 703         int selNew = TabCtrl_GetCurSel(GetHwnd());
 704         if ( selNew != wxNOT_FOUND )
 705         {
 706             // No selection change, just refresh the current selection.
 707             // Because it could be that the slection index changed
 708             // we need to update it.
 709             // Note: this does not mean the selection it self changed.
 710             m_nSelection = selNew;
 711             m_pages[m_nSelection]->Refresh();
 712         }
 713         else if (int(nPage) == m_nSelection)
 714         {
 715             // The selection was deleted.
 716
 717             // Determine new selection.
 718             if (m_nSelection == int(GetPageCount()))
 719                 selNew = m_nSelection - 1;
 720             else
 721                 selNew = m_nSelection;
 722
 723             // m_nSelection must be always valid so reset it before calling
 724             // SetSelection()
 725             m_nSelection = wxNOT_FOUND;
 726             SetSelection(selNew);
 727         }
 728         else
 729         {
 730             wxFAIL; // Windows did not behave ok.
 731         }
 732     }
 733
 734     return pageRemoved;
 735 }
 736
 737 // remove all pages
 738 bool wxNotebook::DeleteAllPages()
 739 {
 740     size_t nPageCount = GetPageCount();
 741     size_t nPage;
 742     for ( nPage = 0; nPage < nPageCount; nPage++ )
 743         delete m_pages[nPage];
 744
 745     m_pages.Clear();
 746
 747     TabCtrl_DeleteAllItems(GetHwnd());
 748
 749     m_nSelection = wxNOT_FOUND;
 750
 751     InvalidateBestSize();
 752     return true;
 753 }
 754
 755 // same as AddPage() but does it at given position
 756 bool wxNotebook::InsertPage(size_t nPage,
 757                             wxNotebookPage *pPage,
 758                             const wxString& strText,
 759                             bool bSelect,
 760                             int imageId)
 761 {
 762     wxCHECK_MSG( pPage != NULL, false, _T("NULL page in wxNotebook::InsertPage") );
 763     wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), false,
 764                  _T("invalid index in wxNotebook::InsertPage") );
 765
 766     wxASSERT_MSG( pPage->GetParent() == this,
 767                     _T("notebook pages must have notebook as parent") );
 768
 769     // add a new tab to the control
 770     // ----------------------------
 771
 772     // init all fields to 0
 773     TC_ITEM tcItem;
 774     wxZeroMemory(tcItem);
 775
 776     // set the image, if any
 777     if ( imageId != -1 )
 778     {
 779         tcItem.mask |= TCIF_IMAGE;
 780         tcItem.iImage  = imageId;
 781     }
 782
 783     // and the text
 784     if ( !strText.empty() )
 785     {
 786         tcItem.mask |= TCIF_TEXT;
 787         tcItem.pszText = (wxChar *)strText.wx_str(); // const_cast
 788     }
 789
 790     // hide the page: unless it is selected, it shouldn't be shown (and if it
 791     // is selected it will be shown later)
 792     HWND hwnd = GetWinHwnd(pPage);
 793     SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
 794
 795     // this updates internal flag too -- otherwise it would get out of sync
 796     // with the real state
 797     pPage->Show(false);
 798
 799
 800     // fit the notebook page to the tab control's display area: this should be
 801     // done before adding it to the notebook or TabCtrl_InsertItem() will
 802     // change the notebooks size itself!
 803     AdjustPageSize(pPage);
 804
 805     // finally do insert it
 806     if ( TabCtrl_InsertItem(GetHwnd(), nPage, &tcItem) == -1 )
 807     {
 808         wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
 809
 810         return false;
 811     }
 812
 813     // need to update the bg brush when the first page is added
 814     // so the first panel gets the correct themed background
 815     if ( m_pages.empty() )
 816     {
 817 #if wxUSE_UXTHEME
 818         UpdateBgBrush();
 819 #endif // wxUSE_UXTHEME
 820     }
 821
 822     // succeeded: save the pointer to the page
 823     m_pages.Insert(pPage, nPage);
 824
 825     // we may need to adjust the size again if the notebook size changed:
 826     // normally this only happens for the first page we add (the tabs which
 827     // hadn't been there before are now shown) but for a multiline notebook it
 828     // can happen for any page at all as a new row could have been started
 829     if ( m_pages.GetCount() == 1 || HasFlag(wxNB_MULTILINE) )
 830     {
 831         AdjustPageSize(pPage);
 832     }
 833
 834     // now deal with the selection
 835     // ---------------------------
 836
 837     // if the inserted page is before the selected one, we must update the
 838     // index of the selected page
 839     if ( int(nPage) <= m_nSelection )
 840     {
 841         // one extra page added
 842         m_nSelection++;
 843     }
 844
 845     // some page should be selected: either this one or the first one if there
 846     // is still no selection
 847     int selNew = wxNOT_FOUND;
 848     if ( bSelect )
 849         selNew = nPage;
 850     else if ( m_nSelection == wxNOT_FOUND )
 851         selNew = 0;
 852
 853     if ( selNew != wxNOT_FOUND )
 854         SetSelection(selNew);
 855
 856     InvalidateBestSize();
 857
 858     return true;
 859 }
 860
 861 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 862 {
 863     TC_HITTESTINFO hitTestInfo;
 864     hitTestInfo.pt.x = pt.x;
 865     hitTestInfo.pt.y = pt.y;
 866     int item = TabCtrl_HitTest(GetHwnd(), &hitTestInfo);
 867
 868     if ( flags )
 869     {
 870         *flags = 0;
 871
 872         if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
 873             *flags |= wxBK_HITTEST_NOWHERE;
 874         if ((hitTestInfo.flags & TCHT_ONITEM) == TCHT_ONITEM)
 875             *flags |= wxBK_HITTEST_ONITEM;
 876         if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
 877             *flags |= wxBK_HITTEST_ONICON;
 878         if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
 879             *flags |= wxBK_HITTEST_ONLABEL;
 880         if ( item == wxNOT_FOUND && GetPageSize().Contains(pt) )
 881             *flags |= wxBK_HITTEST_ONPAGE;
 882     }
 883
 884     return item;
 885 }
 886
 887 // ----------------------------------------------------------------------------
 888 // flicker-less notebook redraw
 889 // ----------------------------------------------------------------------------
 890
 891 #if USE_NOTEBOOK_ANTIFLICKER
 892
 893 // wnd proc for the spin button
 894 LRESULT APIENTRY _EXPORT wxNotebookSpinBtnWndProc(HWND hwnd,
 895                                                   UINT message,
 896                                                   WPARAM wParam,
 897                                                   LPARAM lParam)
 898 {
 899     if ( message == WM_ERASEBKGND )
 900         return 0;
 901
 902     return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebookSpinBtn,
 903                             hwnd, message, wParam, lParam);
 904 }
 905
 906 LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
 907                                            UINT message,
 908                                            WPARAM wParam,
 909                                            LPARAM lParam)
 910 {
 911     return ::CallWindowProc(CASTWNDPROC gs_wndprocNotebook,
 912                             hwnd, message, wParam, lParam);
 913 }
 914
 915 void wxNotebook::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
 916 {
 917     // do nothing here
 918 }
 919
 920 void wxNotebook::OnPaint(wxPaintEvent& WXUNUSED(event))
 921 {
 922     wxPaintDC dc(this);
 923     wxMemoryDC memdc;
 924     RECT rc;
 925     ::GetClientRect(GetHwnd(), &rc);
 926     wxBitmap bmp(rc.right, rc.bottom);
 927     memdc.SelectObject(bmp);
 928
 929     const wxLayoutDirection dir = dc.GetLayoutDirection();
 930     memdc.SetLayoutDirection(dir);
 931
 932     // if there is no special brush just use the solid background colour
 933 #if wxUSE_UXTHEME
 934     HBRUSH hbr = (HBRUSH)m_hbrBackground;
 935 #else
 936     HBRUSH hbr = 0;
 937 #endif
 938     wxBrush brush;
 939     if ( !hbr )
 940     {
 941         brush = wxBrush(GetBackgroundColour());
 942         hbr = GetHbrushOf(brush);
 943     }
 944
 945     wxMSWDCImpl *impl = (wxMSWDCImpl*) memdc.GetImpl();
 946
 947     ::FillRect(GetHdcOf(*impl), &rc, hbr);
 948
 949     MSWDefWindowProc(WM_PAINT, (WPARAM)(impl->GetHDC()), 0);
 950
 951     // For some reason in RTL mode, source offset has to be -1, otherwise the
 952     // right border (physical) remains unpainted.
 953     const wxCoord ofs = dir == wxLayout_RightToLeft ? -1 : 0;
 954     dc.Blit(ofs, 0, rc.right, rc.bottom, &memdc, ofs, 0);
 955 }
 956
 957 #endif // USE_NOTEBOOK_ANTIFLICKER
 958
 959 // ----------------------------------------------------------------------------
 960 // wxNotebook callbacks
 961 // ----------------------------------------------------------------------------
 962
 963 void wxNotebook::OnSize(wxSizeEvent& event)
 964 {
 965     if ( GetPageCount() == 0 )
 966     {
 967         // Prevents droppings on resize, but does cause some flicker
 968         // when there are no pages.
 969         Refresh();
 970         event.Skip();
 971         return;
 972     }
 973 #ifndef __WXWINCE__
 974     else
 975     {
 976         // Without this, we can sometimes get droppings at the edges
 977         // of a notebook, for example a notebook in a splitter window.
 978         // This needs to be reconciled with the RefreshRect calls
 979         // at the end of this function, which weren't enough to prevent
 980         // the droppings.
 981
 982         wxSize sz = GetClientSize();
 983
 984         // Refresh right side
 985         wxRect rect(sz.x-4, 0, 4, sz.y);
 986         RefreshRect(rect);
 987
 988         // Refresh bottom side
 989         rect = wxRect(0, sz.y-4, sz.x, 4);
 990         RefreshRect(rect);
 991
 992         // Refresh left side
 993         rect = wxRect(0, 0, 4, sz.y);
 994         RefreshRect(rect);
 995     }
 996 #endif // !__WXWINCE__
 997
 998     // fit all the notebook pages to the tab control's display area
 999
1000     RECT rc;
1001     rc.left = rc.top = 0;
1002     GetSize((int *)&rc.right, (int *)&rc.bottom);
1003
1004     // save the total size, we'll use it below
1005     int widthNbook = rc.right - rc.left,
1006         heightNbook = rc.bottom - rc.top;
1007
1008     // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
1009     // returns completely false values for multiline tab controls after the tabs
1010     // are added but before getting the first WM_SIZE (off by ~50 pixels, see
1011     //
1012     // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
1013     //
1014     // and the only work around I could find was this ugly hack... without it
1015     // simply toggling the "multiline" checkbox in the notebook sample resulted
1016     // in a noticeable page displacement
1017     if ( HasFlag(wxNB_MULTILINE) )
1018     {
1019         // avoid an infinite recursion: we get another notification too!
1020         static bool s_isInOnSize = false;
1021
1022         if ( !s_isInOnSize )
1023         {
1024             s_isInOnSize = true;
1025             SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
1026                     MAKELPARAM(rc.right, rc.bottom));
1027             s_isInOnSize = false;
1028         }
1029     }
1030
1031 #if wxUSE_UXTHEME
1032     // background bitmap size has changed, update the brush using it too
1033     UpdateBgBrush();
1034 #endif // wxUSE_UXTHEME
1035
1036     TabCtrl_AdjustRect(GetHwnd(), false, &rc);
1037
1038     int width = rc.right - rc.left,
1039         height = rc.bottom - rc.top;
1040     size_t nCount = m_pages.Count();
1041     for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
1042         wxNotebookPage *pPage = m_pages[nPage];
1043         pPage->SetSize(rc.left, rc.top, width, height);
1044     }
1045
1046
1047     // unless we had already repainted everything, we now need to refresh
1048     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
1049     {
1050         // invalidate areas not covered by pages
1051         RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
1052         RefreshRect(wxRect(0, rc.top, rc.left, height), false);
1053         RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
1054                     false);
1055         RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.right, height),
1056                     false);
1057     }
1058
1059 #if USE_NOTEBOOK_ANTIFLICKER
1060     // subclass the spin control used by the notebook to scroll pages to
1061     // prevent it from flickering on resize
1062     if ( !m_hasSubclassedUpdown )
1063     {
1064         // iterate over all child windows to find spin button
1065         for ( HWND child = ::GetWindow(GetHwnd(), GW_CHILD);
1066               child;
1067               child = ::GetWindow(child, GW_HWNDNEXT) )
1068         {
1069             wxWindow *childWindow = wxFindWinFromHandle((WXHWND)child);
1070
1071             // see if it exists, if no wxWindow found then assume it's the spin
1072             // btn
1073             if ( !childWindow )
1074             {
1075                 // subclass the spin button to override WM_ERASEBKGND
1076                 if ( !gs_wndprocNotebookSpinBtn )
1077                     gs_wndprocNotebookSpinBtn = (WXFARPROC)wxGetWindowProc(child);
1078
1079                 wxSetWindowProc(child, wxNotebookSpinBtnWndProc);
1080                 m_hasSubclassedUpdown = true;
1081                 break;
1082             }
1083         }
1084     }
1085 #endif // USE_NOTEBOOK_ANTIFLICKER
1086
1087     event.Skip();
1088 }
1089
1090 void wxNotebook::OnSelChange(wxBookCtrlEvent& event)
1091 {
1092     // is it our tab control?
1093     if ( event.GetEventObject() == this )
1094     {
1095         UpdateSelection(event.GetSelection());
1096     }
1097
1098     // we want to give others a chance to process this message as well
1099     event.Skip();
1100 }
1101
1102 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
1103 {
1104     if ( event.IsWindowChange() ) {
1105         // change pages
1106         AdvanceSelection(event.GetDirection());
1107     }
1108     else {
1109         // we get this event in 3 cases
1110         //
1111         // a) one of our pages might have generated it because the user TABbed
1112         // out from it in which case we should propagate the event upwards and
1113         // our parent will take care of setting the focus to prev/next sibling
1114         //
1115         // or
1116         //
1117         // b) the parent panel wants to give the focus to us so that we
1118         // forward it to our selected page. We can't deal with this in
1119         // OnSetFocus() because we don't know which direction the focus came
1120         // from in this case and so can't choose between setting the focus to
1121         // first or last panel child
1122         //
1123         // or
1124         //
1125         // c) we ourselves (see MSWTranslateMessage) generated the event
1126         //
1127         wxWindow * const parent = GetParent();
1128
1129         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
1130         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
1131         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
1132
1133         if ( isFromParent || isFromSelf )
1134         {
1135             // no, it doesn't come from child, case (b) or (c): forward to a
1136             // page but only if direction is backwards (TAB) or from ourselves,
1137             if ( m_nSelection != wxNOT_FOUND &&
1138                     (!event.GetDirection() || isFromSelf) )
1139             {
1140                 // so that the page knows that the event comes from it's parent
1141                 // and is being propagated downwards
1142                 event.SetEventObject(this);
1143
1144                 wxWindow *page = m_pages[m_nSelection];
1145                 if ( !page->HandleWindowEvent(event) )
1146                 {
1147                     page->SetFocus();
1148                 }
1149                 //else: page manages focus inside it itself
1150             }
1151             else // otherwise set the focus to the notebook itself
1152             {
1153                 SetFocus();
1154             }
1155         }
1156         else
1157         {
1158             // it comes from our child, case (a), pass to the parent, but only
1159             // if the direction is forwards. Otherwise set the focus to the
1160             // notebook itself. The notebook is always the 'first' control of a
1161             // page.
1162             if ( !event.GetDirection() )
1163             {
1164                 SetFocus();
1165             }
1166             else if ( parent )
1167             {
1168                 event.SetCurrentFocus(this);
1169                 parent->HandleWindowEvent(event);
1170             }
1171         }
1172     }
1173 }
1174
1175 #if wxUSE_UXTHEME
1176
1177 bool wxNotebook::DoDrawBackground(WXHDC hDC, wxWindow *child)
1178 {
1179     wxUxThemeHandle theme(child ? child : this, L"TAB");
1180     if ( !theme )
1181         return false;
1182
1183     // get the notebook client rect (we're not interested in drawing tabs
1184     // themselves)
1185     wxRect r = GetPageSize();
1186     if ( r.IsEmpty() )
1187         return false;
1188
1189     RECT rc;
1190     wxCopyRectToRECT(r, rc);
1191
1192     // map rect to the coords of the window we're drawing in
1193     if ( child )
1194         ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1195
1196     // we have the content area (page size), but we need to draw all of the
1197     // background for it to be aligned correctly
1198     wxUxThemeEngine::Get()->GetThemeBackgroundExtent
1199                             (
1200                                 theme,
1201                                 (HDC) hDC,
1202                                 9 /* TABP_PANE */,
1203                                 0,
1204                                 &rc,
1205                                 &rc
1206                             );
1207     wxUxThemeEngine::Get()->DrawThemeBackground
1208                             (
1209                                 theme,
1210                                 (HDC) hDC,
1211                                 9 /* TABP_PANE */,
1212                                 0,
1213                                 &rc,
1214                                 NULL
1215                             );
1216
1217     return true;
1218 }
1219
1220 WXHBRUSH wxNotebook::QueryBgBitmap()
1221 {
1222     wxRect r = GetPageSize();
1223     if ( r.IsEmpty() )
1224         return 0;
1225
1226     WindowHDC hDC(GetHwnd());
1227     MemoryHDC hDCMem(hDC);
1228     CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);
1229
1230     SelectInHDC selectBmp(hDCMem, hBmp);
1231
1232     if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
1233         return 0;
1234
1235     return (WXHBRUSH)::CreatePatternBrush(hBmp);
1236 }
1237
1238 void wxNotebook::UpdateBgBrush()
1239 {
1240     if ( m_hbrBackground )
1241         ::DeleteObject((HBRUSH)m_hbrBackground);
1242
1243     if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
1244     {
1245         m_hbrBackground = QueryBgBitmap();
1246     }
1247     else // no themes or we've got user-defined solid colour
1248     {
1249         m_hbrBackground = NULL;
1250     }
1251 }
1252
1253 WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd)
1254 {
1255     if ( m_hbrBackground )
1256     {
1257         // before drawing with the background brush, we need to position it
1258         // correctly
1259         RECT rc;
1260         ::GetWindowRect((HWND)hWnd, &rc);
1261
1262         ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
1263
1264         if ( !::SetBrushOrgEx((HDC)hDC, -rc.left, -rc.top, NULL) )
1265         {
1266             wxLogLastError(_T("SetBrushOrgEx(notebook bg brush)"));
1267         }
1268
1269         return m_hbrBackground;
1270     }
1271
1272     return wxNotebookBase::MSWGetBgBrushForChild(hDC, hWnd);
1273 }
1274
1275 bool wxNotebook::MSWPrintChild(WXHDC hDC, wxWindow *child)
1276 {
1277     // solid background colour overrides themed background drawing
1278     if ( !UseBgCol() && DoDrawBackground(hDC, child) )
1279         return true;
1280
1281     // If we're using a solid colour (for example if we've switched off
1282     // theming for this notebook), paint it
1283     if (UseBgCol())
1284     {
1285         wxRect r = GetPageSize();
1286         if ( r.IsEmpty() )
1287             return false;
1288
1289         RECT rc;
1290         wxCopyRectToRECT(r, rc);
1291
1292         // map rect to the coords of the window we're drawing in
1293         if ( child )
1294             ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1295
1296         wxBrush brush(GetBackgroundColour());
1297         HBRUSH hbr = GetHbrushOf(brush);
1298
1299         ::FillRect((HDC) hDC, &rc, hbr);
1300
1301         return true;
1302     }
1303
1304     return wxNotebookBase::MSWPrintChild(hDC, child);
1305 }
1306
1307 #endif // wxUSE_UXTHEME
1308
1309 // Windows only: attempts to get colour for UX theme page background
1310 wxColour wxNotebook::GetThemeBackgroundColour() const
1311 {
1312 #if wxUSE_UXTHEME
1313     if (wxUxThemeEngine::Get())
1314     {
1315         wxUxThemeHandle hTheme((wxNotebook*) this, L"TAB");
1316         if (hTheme)
1317         {
1318             // This is total guesswork.
1319             // See PlatformSDK\Include\Tmschema.h for values.
1320             // JACS: can also use 9 (TABP_PANE)
1321             COLORREF themeColor;
1322             bool success = (S_OK == wxUxThemeEngine::Get()->GetThemeColor(
1323                                         hTheme,
1324                                         10 /* TABP_BODY */,
1325                                         1 /* NORMAL */,
1326                                         3821 /* FILLCOLORHINT */,
1327                                         &themeColor));
1328             if (!success)
1329                 return GetBackgroundColour();
1330
1331             /*
1332             [DS] Workaround for WindowBlinds:
1333             Some themes return a near black theme color using FILLCOLORHINT,
1334             this makes notebook pages have an ugly black background and makes
1335             text (usually black) unreadable. Retry again with FILLCOLOR.
1336
1337             This workaround potentially breaks appearance of some themes,
1338             but in practice it already fixes some themes.
1339             */
1340             if (themeColor == 1)
1341             {
1342                 wxUxThemeEngine::Get()->GetThemeColor(
1343                                             hTheme,
1344                                             10 /* TABP_BODY */,
1345                                             1 /* NORMAL */,
1346                                             3802 /* FILLCOLOR */,
1347                                             &themeColor);
1348             }
1349
1350             wxColour colour = wxRGBToColour(themeColor);
1351
1352             // Under Vista, the tab background colour is reported incorrectly.
1353             // So for the default theme at least, hard-code the colour to something
1354             // that will blend in.
1355
1356             static int s_AeroStatus = -1;
1357             if (s_AeroStatus == -1)
1358             {
1359                 WCHAR szwThemeFile[1024];
1360                 WCHAR szwThemeColor[256];
1361                 if (S_OK == wxUxThemeEngine::Get()->GetCurrentThemeName(szwThemeFile, 1024, szwThemeColor, 256, NULL, 0))
1362                 {
1363                     wxString themeFile(szwThemeFile), themeColor(szwThemeColor);
1364                     if (themeFile.Find(wxT("Aero")) != -1 && themeColor == wxT("NormalColor"))
1365                         s_AeroStatus = 1;
1366                     else
1367                         s_AeroStatus = 0;
1368                 }
1369                 else
1370                     s_AeroStatus = 0;
1371             }
1372
1373             if (s_AeroStatus == 1)
1374                 colour = wxColour(255, 255, 255);
1375
1376             return colour;
1377         }
1378     }
1379 #endif // wxUSE_UXTHEME
1380
1381     return GetBackgroundColour();
1382 }
1383
1384 // ----------------------------------------------------------------------------
1385 // wxNotebook base class virtuals
1386 // ----------------------------------------------------------------------------
1387
1388 #if wxUSE_CONSTRAINTS
1389
1390 // override these 2 functions to do nothing: everything is done in OnSize
1391
1392 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
1393 {
1394   // don't set the sizes of the pages - their correct size is not yet known
1395   wxControl::SetConstraintSizes(false);
1396 }
1397
1398 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
1399 {
1400   return true;
1401 }
1402
1403 #endif // wxUSE_CONSTRAINTS
1404
1405 // ----------------------------------------------------------------------------
1406 // wxNotebook Windows message handlers
1407 // ----------------------------------------------------------------------------
1408
1409 bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
1410                              WXWORD pos, WXHWND control)
1411 {
1412     // don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
1413     // up-down control
1414     if ( control )
1415         return false;
1416
1417     return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
1418 }
1419
1420 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
1421 {
1422   wxBookCtrlEvent event(wxEVT_NULL, m_windowId);
1423
1424   NMHDR* hdr = (NMHDR *)lParam;
1425   switch ( hdr->code ) {
1426     case TCN_SELCHANGE:
1427       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
1428       break;
1429
1430     case TCN_SELCHANGING:
1431       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
1432       break;
1433
1434     default:
1435       return wxControl::MSWOnNotify(idCtrl, lParam, result);
1436   }
1437
1438   event.SetSelection(TabCtrl_GetCurSel(GetHwnd()));
1439   event.SetOldSelection(m_nSelection);
1440   event.SetEventObject(this);
1441   event.SetInt(idCtrl);
1442
1443   bool processed = HandleWindowEvent(event);
1444   *result = !event.IsAllowed();
1445   return processed;
1446 }
1447
1448 #endif // wxUSE_NOTEBOOK