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     #include "wx/panel.h"
  34 #endif  // WX_PRECOMP
  35
  36 #include "wx/imaglist.h"
  37 #include "wx/sysopt.h"
  38
  39 #include "wx/msw/private.h"
  40 #include "wx/msw/dc.h"
  41
  42 #include <windowsx.h>
  43 #include "wx/msw/winundef.h"
  44
  45 #if wxUSE_UXTHEME
  46     #include "wx/msw/uxtheme.h"
  47 #endif
  48
  49 // ----------------------------------------------------------------------------
  50 // macros
  51 // ----------------------------------------------------------------------------
  52
  53 // check that the page index is valid
  54 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  55
  56 // you can set USE_NOTEBOOK_ANTIFLICKER to 0 for desktop Windows versions too
  57 // to disable code whih results in flicker-less notebook redrawing at the
  58 // expense of some extra GDI resource consumption
  59 #ifdef __WXWINCE__
  60     // notebooks are never resized under CE anyhow
  61     #define USE_NOTEBOOK_ANTIFLICKER    0
  62 #else
  63     #define USE_NOTEBOOK_ANTIFLICKER    1
  64 #endif
  65
  66 // ----------------------------------------------------------------------------
  67 // constants
  68 // ----------------------------------------------------------------------------
  69
  70 // This is a work-around for missing defines in gcc-2.95 headers
  71 #ifndef TCS_RIGHT
  72     #define TCS_RIGHT       0x0002
  73 #endif
  74
  75 #ifndef TCS_VERTICAL
  76     #define TCS_VERTICAL    0x0080
  77 #endif
  78
  79 #ifndef TCS_BOTTOM
  80     #define TCS_BOTTOM      TCS_RIGHT
  81 #endif
  82
  83 // ----------------------------------------------------------------------------
  84 // global variables
  85 // ----------------------------------------------------------------------------
  86
  87 #if USE_NOTEBOOK_ANTIFLICKER
  88
  89 // the pointer to standard spin button wnd proc
  90 static WXFARPROC gs_wndprocNotebookSpinBtn = (WXFARPROC)NULL;
  91
  92 // the pointer to standard tab control wnd proc
  93 static WXFARPROC gs_wndprocNotebook = (WXFARPROC)NULL;
  94
  95 LRESULT APIENTRY _EXPORT wxNotebookWndProc(HWND hwnd,
  96                                            UINT message,
  97                                            WPARAM wParam,
  98                                            LPARAM lParam);
  99
 100 #endif // USE_NOTEBOOK_ANTIFLICKER
 101
 102 // ----------------------------------------------------------------------------
 103 // global functions
 104 // ----------------------------------------------------------------------------
 105
 106 static bool HasTroubleWithNonTopTabs()
 107 {
 108     const int verComCtl32 = wxApp::GetComCtl32Version();
 109
 110     // 600 is XP, 616 is Vista -- and both have a problem with tabs not on top
 111     // (but don't just test for >= 600 as Microsoft might decide to fix it in
 112     // later versions, who knows...)
 113     return verComCtl32 >= 600 && verComCtl32 <= 616;
 114 }
 115
 116 // ----------------------------------------------------------------------------
 117 // event table
 118 // ----------------------------------------------------------------------------
 119
 120 #include "wx/listimpl.cpp"
 121
 122 WX_DEFINE_LIST( wxNotebookPageInfoList )
 123
 124 BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
 125     EVT_NOTEBOOK_PAGE_CHANGED(wxID_ANY, wxNotebook::OnSelChange)
 126     EVT_SIZE(wxNotebook::OnSize)
 127     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 128
 129 #if USE_NOTEBOOK_ANTIFLICKER
 130     EVT_ERASE_BACKGROUND(wxNotebook::OnEraseBackground)
 131     EVT_PAINT(wxNotebook::OnPaint)
 132 #endif // USE_NOTEBOOK_ANTIFLICKER
 133 END_EVENT_TABLE()
 134
 135 #if wxUSE_EXTENDED_RTTI
 136 WX_DEFINE_FLAGS( wxNotebookStyle )
 137
 138 wxBEGIN_FLAGS( wxNotebookStyle )
 139     // new style border flags, we put them first to
 140     // use them for streaming out
 141     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 142     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 143     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 144     wxFLAGS_MEMBER(wxBORDER_RAISED)
 145     wxFLAGS_MEMBER(wxBORDER_STATIC)
 146     wxFLAGS_MEMBER(wxBORDER_NONE)
 147
 148     // old style border flags
 149     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 150     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 151     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 152     wxFLAGS_MEMBER(wxRAISED_BORDER)
 153     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 154     wxFLAGS_MEMBER(wxBORDER)
 155
 156     // standard window styles
 157     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 158     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 159     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 160     wxFLAGS_MEMBER(wxWANTS_CHARS)
 161     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 162     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 163     wxFLAGS_MEMBER(wxVSCROLL)
 164     wxFLAGS_MEMBER(wxHSCROLL)
 165
 166     wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)
 167     wxFLAGS_MEMBER(wxBK_DEFAULT)
 168     wxFLAGS_MEMBER(wxBK_TOP)
 169     wxFLAGS_MEMBER(wxBK_LEFT)
 170     wxFLAGS_MEMBER(wxBK_RIGHT)
 171     wxFLAGS_MEMBER(wxBK_BOTTOM)
 172     wxFLAGS_MEMBER(wxNB_NOPAGETHEME)
 173     wxFLAGS_MEMBER(wxNB_FLAT)
 174
 175 wxEND_FLAGS( wxNotebookStyle )
 176
 177 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebook, wxBookCtrlBase,"wx/notebook.h")
 178 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebookPageInfo, wxObject , "wx/notebook.h" )
 179
 180 wxCOLLECTION_TYPE_INFO( wxNotebookPageInfo * , wxNotebookPageInfoList ) ;
 181
 182 template<> void wxCollectionToVariantArray( wxNotebookPageInfoList const &theList, wxxVariantArray &value)
 183 {
 184     wxListCollectionToVariantArray<wxNotebookPageInfoList::compatibility_iterator>( theList , value ) ;
 185 }
 186
 187 wxBEGIN_PROPERTIES_TABLE(wxNotebook)
 188     wxEVENT_PROPERTY( PageChanging , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING , wxBookCtrlEvent )
 189     wxEVENT_PROPERTY( PageChanged , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED , wxBookCtrlEvent )
 190
 191     wxPROPERTY_COLLECTION( PageInfos , wxNotebookPageInfoList , wxNotebookPageInfo* , AddPageInfo , GetPageInfos , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 192     wxPROPERTY_FLAGS( WindowStyle , wxNotebookStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 193 wxEND_PROPERTIES_TABLE()
 194
 195 wxBEGIN_HANDLERS_TABLE(wxNotebook)
 196 wxEND_HANDLERS_TABLE()
 197
 198 wxCONSTRUCTOR_5( wxNotebook , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle)
 199
 200
 201 wxBEGIN_PROPERTIES_TABLE(wxNotebookPageInfo)
 202     wxREADONLY_PROPERTY( Page , wxNotebookPage* , GetPage , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 203     wxREADONLY_PROPERTY( Text , wxString , GetText , wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 204     wxREADONLY_PROPERTY( Selected , bool , GetSelected , false, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 205     wxREADONLY_PROPERTY( ImageId , int , GetImageId , -1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 206 wxEND_PROPERTIES_TABLE()
 207
 208 wxBEGIN_HANDLERS_TABLE(wxNotebookPageInfo)
 209 wxEND_HANDLERS_TABLE()
 210
 211 wxCONSTRUCTOR_4( wxNotebookPageInfo , wxNotebookPage* , Page , wxString , Text , bool , Selected , int , ImageId )
 212
 213 #else
 214 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
 215 IMPLEMENT_DYNAMIC_CLASS(wxNotebookPageInfo, wxObject )
 216 #endif
 217
 218 // ============================================================================
 219 // implementation
 220 // ============================================================================
 221
 222 // ----------------------------------------------------------------------------
 223 // wxNotebook construction
 224 // ----------------------------------------------------------------------------
 225
 226 const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
 227 {
 228     wxNotebookPageInfoList* list = const_cast< wxNotebookPageInfoList* >( &m_pageInfos ) ;
 229     WX_CLEAR_LIST( wxNotebookPageInfoList , *list ) ;
 230     for( size_t i = 0 ; i < GetPageCount() ; ++i )
 231     {
 232         wxNotebookPageInfo *info = new wxNotebookPageInfo() ;
 233         info->Create( const_cast<wxNotebook*>(this)->GetPage(i) , GetPageText(i) , GetSelection() == int(i) , GetPageImage(i) ) ;
 234         list->Append( info ) ;
 235     }
 236     return m_pageInfos ;
 237 }
 238
 239 // common part of all ctors
 240 void wxNotebook::Init()
 241 {
 242     m_imageList = NULL;
 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                     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(wxT("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     return tabStyle;
 422 }
 423
 424 wxNotebook::~wxNotebook()
 425 {
 426 #if wxUSE_UXTHEME
 427     if ( m_hbrBackground )
 428         ::DeleteObject((HBRUSH)m_hbrBackground);
 429 #endif // wxUSE_UXTHEME
 430 }
 431
 432 // ----------------------------------------------------------------------------
 433 // wxNotebook accessors
 434 // ----------------------------------------------------------------------------
 435
 436 size_t wxNotebook::GetPageCount() const
 437 {
 438     // consistency check
 439     wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(GetHwnd()) );
 440
 441     return m_pages.Count();
 442 }
 443
 444 int wxNotebook::GetRowCount() const
 445 {
 446     return TabCtrl_GetRowCount(GetHwnd());
 447 }
 448
 449 int wxNotebook::SetSelection(size_t nPage)
 450 {
 451     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 452
 453     if ( m_selection == wxNOT_FOUND || nPage != (size_t)m_selection )
 454     {
 455         if ( SendPageChangingEvent(nPage) )
 456         {
 457             // program allows the page change
 458             SendPageChangedEvent(m_selection, nPage);
 459
 460             TabCtrl_SetCurSel(GetHwnd(), nPage);
 461         }
 462     }
 463
 464     return m_selection;
 465 }
 466
 467 void wxNotebook::UpdateSelection(int selNew)
 468 {
 469     if ( m_selection != wxNOT_FOUND )
 470         m_pages[m_selection]->Show(false);
 471
 472     if ( selNew != wxNOT_FOUND )
 473     {
 474         wxNotebookPage *pPage = m_pages[selNew];
 475         pPage->Show(true);
 476     }
 477
 478     // Changing the page should give the focus to it but, as per bug report
 479     // http://sf.net/tracker/index.php?func=detail&aid=1150659&group_id=9863&atid=109863,
 480     // we should not set the focus to it directly since it erroneously
 481     // selects radio buttons and breaks keyboard handling for a notebook's
 482     // scroll buttons. So give focus to the notebook and not the page.
 483
 484     // but don't do this is the notebook is hidden
 485     if ( ::IsWindowVisible(GetHwnd()) )
 486         SetFocus();
 487
 488     m_selection = selNew;
 489 }
 490
 491 int wxNotebook::ChangeSelection(size_t nPage)
 492 {
 493     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 494
 495     const int selOld = m_selection;
 496
 497     if ( m_selection == wxNOT_FOUND || nPage != (size_t)m_selection )
 498     {
 499         TabCtrl_SetCurSel(GetHwnd(), nPage);
 500
 501         UpdateSelection(nPage);
 502     }
 503
 504     return selOld;
 505 }
 506
 507 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 508 {
 509     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 510
 511     TC_ITEM tcItem;
 512     tcItem.mask = TCIF_TEXT;
 513     tcItem.pszText = (wxChar *)strText.wx_str();
 514
 515     if ( !HasFlag(wxNB_MULTILINE) )
 516         return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 517
 518     // multiline - we need to set new page size if a line is added or removed
 519     int rows = GetRowCount();
 520     bool ret = TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 521
 522     if ( ret && rows != GetRowCount() )
 523     {
 524         const wxRect r = GetPageSize();
 525         const size_t count = m_pages.Count();
 526         for ( size_t page = 0; page < count; page++ )
 527             m_pages[page]->SetSize(r);
 528     }
 529
 530     return ret;
 531 }
 532
 533 wxString wxNotebook::GetPageText(size_t nPage) const
 534 {
 535     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
 536
 537     wxChar buf[256];
 538     TC_ITEM tcItem;
 539     tcItem.mask = TCIF_TEXT;
 540     tcItem.pszText = buf;
 541     tcItem.cchTextMax = WXSIZEOF(buf);
 542
 543     wxString str;
 544     if ( TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) )
 545         str = tcItem.pszText;
 546
 547     return str;
 548 }
 549
 550 int wxNotebook::GetPageImage(size_t nPage) const
 551 {
 552     wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 553
 554     TC_ITEM tcItem;
 555     tcItem.mask = TCIF_IMAGE;
 556
 557     return TabCtrl_GetItem(GetHwnd(), nPage, &tcItem) ? tcItem.iImage
 558                                                       : wxNOT_FOUND;
 559 }
 560
 561 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 562 {
 563     wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 564
 565     TC_ITEM tcItem;
 566     tcItem.mask = TCIF_IMAGE;
 567     tcItem.iImage = nImage;
 568
 569     return TabCtrl_SetItem(GetHwnd(), nPage, &tcItem) != 0;
 570 }
 571
 572 void wxNotebook::SetImageList(wxImageList* imageList)
 573 {
 574     wxNotebookBase::SetImageList(imageList);
 575
 576     if ( imageList )
 577     {
 578         (void) TabCtrl_SetImageList(GetHwnd(), GetHimagelistOf(imageList));
 579     }
 580 }
 581
 582 // ----------------------------------------------------------------------------
 583 // wxNotebook size settings
 584 // ----------------------------------------------------------------------------
 585
 586 wxRect wxNotebook::GetPageSize() const
 587 {
 588     wxRect r;
 589
 590     RECT rc;
 591     ::GetClientRect(GetHwnd(), &rc);
 592
 593     // This check is to work around a bug in TabCtrl_AdjustRect which will
 594     // cause a crash on win2k or on XP with themes disabled if either
 595     // wxNB_MULTILINE is used or tabs are placed on a side, if the rectangle
 596     // is too small.
 597     //
 598     // The value of 20 is chosen arbitrarily but seems to work
 599     if ( rc.right > 20 && rc.bottom > 20 )
 600     {
 601         TabCtrl_AdjustRect(GetHwnd(), false, &rc);
 602
 603         wxCopyRECTToRect(rc, r);
 604     }
 605
 606     return r;
 607 }
 608
 609 void wxNotebook::SetPageSize(const wxSize& size)
 610 {
 611     // transform the page size into the notebook size
 612     RECT rc;
 613     rc.left =
 614     rc.top = 0;
 615     rc.right = size.x;
 616     rc.bottom = size.y;
 617
 618     TabCtrl_AdjustRect(GetHwnd(), true, &rc);
 619
 620     // and now set it
 621     SetSize(rc.right - rc.left, rc.bottom - rc.top);
 622 }
 623
 624 void wxNotebook::SetPadding(const wxSize& padding)
 625 {
 626     TabCtrl_SetPadding(GetHwnd(), padding.x, padding.y);
 627 }
 628
 629 // Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
 630 // style.
 631 void wxNotebook::SetTabSize(const wxSize& sz)
 632 {
 633     ::SendMessage(GetHwnd(), TCM_SETITEMSIZE, 0, MAKELPARAM(sz.x, sz.y));
 634 }
 635
 636 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 637 {
 638     // we can't use TabCtrl_AdjustRect here because it only works for wxNB_TOP
 639     wxSize sizeTotal = sizePage;
 640
 641     wxSize tabSize;
 642     if ( GetPageCount() > 0 )
 643     {
 644         RECT rect;
 645         TabCtrl_GetItemRect(GetHwnd(), 0, &rect);
 646         tabSize.x = rect.right - rect.left;
 647         tabSize.y = rect.bottom - rect.top;
 648     }
 649
 650     const int rows = GetRowCount();
 651
 652     // add an extra margin in both directions
 653     const int MARGIN = 8;
 654     if ( IsVertical() )
 655     {
 656         sizeTotal.x += MARGIN;
 657         sizeTotal.y += tabSize.y * rows + MARGIN;
 658     }
 659     else // horizontal layout
 660     {
 661         sizeTotal.x += tabSize.x * rows + MARGIN;
 662         sizeTotal.y += MARGIN;
 663     }
 664
 665     return sizeTotal;
 666 }
 667
 668 void wxNotebook::AdjustPageSize(wxNotebookPage *page)
 669 {
 670     wxCHECK_RET( page, wxT("NULL page in wxNotebook::AdjustPageSize") );
 671
 672     const wxRect r = GetPageSize();
 673     if ( !r.IsEmpty() )
 674     {
 675         page->SetSize(r);
 676     }
 677 }
 678
 679 // ----------------------------------------------------------------------------
 680 // wxNotebook operations
 681 // ----------------------------------------------------------------------------
 682
 683 // remove one page from the notebook, without deleting
 684 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 685 {
 686     wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
 687     if ( !pageRemoved )
 688         return NULL;
 689
 690     // hide the removed page to maintain the invariant that only the
 691     // selected page is visible and others are hidden:
 692     pageRemoved->Show(false);
 693
 694     TabCtrl_DeleteItem(GetHwnd(), nPage);
 695
 696     if ( m_pages.IsEmpty() )
 697     {
 698         // no selection any more, the notebook becamse empty
 699         m_selection = 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_selection = selNew;
 711             m_pages[m_selection]->Refresh();
 712         }
 713         else if (int(nPage) == m_selection)
 714         {
 715             // The selection was deleted.
 716
 717             // Determine new selection.
 718             if (m_selection == int(GetPageCount()))
 719                 selNew = m_selection - 1;
 720             else
 721                 selNew = m_selection;
 722
 723             // m_selection must be always valid so reset it before calling
 724             // SetSelection()
 725             m_selection = 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_selection = 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, wxT("NULL page in wxNotebook::InsertPage") );
 763     wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), false,
 764                  wxT("invalid index in wxNotebook::InsertPage") );
 765
 766     wxASSERT_MSG( pPage->GetParent() == this,
 767                     wxT("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 = const_cast<wxChar *>(strText.wx_str());
 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_selection )
 840     {
 841         // one extra page added
 842         m_selection++;
 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_selection == 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         // The best size depends on the number of rows of tabs, which can
1031         // change when the notepad is resized.
1032         InvalidateBestSize();
1033     }
1034
1035 #if wxUSE_UXTHEME
1036     // background bitmap size has changed, update the brush using it too
1037     UpdateBgBrush();
1038 #endif // wxUSE_UXTHEME
1039
1040     TabCtrl_AdjustRect(GetHwnd(), false, &rc);
1041
1042     int width = rc.right - rc.left,
1043         height = rc.bottom - rc.top;
1044     size_t nCount = m_pages.Count();
1045     for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
1046         wxNotebookPage *pPage = m_pages[nPage];
1047         pPage->SetSize(rc.left, rc.top, width, height);
1048     }
1049
1050
1051     // unless we had already repainted everything, we now need to refresh
1052     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
1053     {
1054         // invalidate areas not covered by pages
1055         RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
1056         RefreshRect(wxRect(0, rc.top, rc.left, height), false);
1057         RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
1058                     false);
1059         RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.right, height),
1060                     false);
1061     }
1062
1063 #if USE_NOTEBOOK_ANTIFLICKER
1064     // subclass the spin control used by the notebook to scroll pages to
1065     // prevent it from flickering on resize
1066     if ( !m_hasSubclassedUpdown )
1067     {
1068         // iterate over all child windows to find spin button
1069         for ( HWND child = ::GetWindow(GetHwnd(), GW_CHILD);
1070               child;
1071               child = ::GetWindow(child, GW_HWNDNEXT) )
1072         {
1073             wxWindow *childWindow = wxFindWinFromHandle((WXHWND)child);
1074
1075             // see if it exists, if no wxWindow found then assume it's the spin
1076             // btn
1077             if ( !childWindow )
1078             {
1079                 // subclass the spin button to override WM_ERASEBKGND
1080                 if ( !gs_wndprocNotebookSpinBtn )
1081                     gs_wndprocNotebookSpinBtn = (WXFARPROC)wxGetWindowProc(child);
1082
1083                 wxSetWindowProc(child, wxNotebookSpinBtnWndProc);
1084                 m_hasSubclassedUpdown = true;
1085                 break;
1086             }
1087         }
1088     }
1089 #endif // USE_NOTEBOOK_ANTIFLICKER
1090
1091     event.Skip();
1092 }
1093
1094 void wxNotebook::OnSelChange(wxBookCtrlEvent& event)
1095 {
1096     // is it our tab control?
1097     if ( event.GetEventObject() == this )
1098     {
1099         UpdateSelection(event.GetSelection());
1100     }
1101
1102     // we want to give others a chance to process this message as well
1103     event.Skip();
1104 }
1105
1106 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
1107 {
1108     if ( event.IsWindowChange() ) {
1109         // change pages
1110         AdvanceSelection(event.GetDirection());
1111     }
1112     else {
1113         // we get this event in 3 cases
1114         //
1115         // a) one of our pages might have generated it because the user TABbed
1116         // out from it in which case we should propagate the event upwards and
1117         // our parent will take care of setting the focus to prev/next sibling
1118         //
1119         // or
1120         //
1121         // b) the parent panel wants to give the focus to us so that we
1122         // forward it to our selected page. We can't deal with this in
1123         // OnSetFocus() because we don't know which direction the focus came
1124         // from in this case and so can't choose between setting the focus to
1125         // first or last panel child
1126         //
1127         // or
1128         //
1129         // c) we ourselves (see MSWTranslateMessage) generated the event
1130         //
1131         wxWindow * const parent = GetParent();
1132
1133         // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
1134         const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
1135         const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
1136         const bool isForward = event.GetDirection();
1137
1138         if ( isFromSelf && !isForward )
1139         {
1140             // focus is currently on notebook tab and should leave
1141             // it backwards (Shift-TAB)
1142             event.SetCurrentFocus(this);
1143             parent->HandleWindowEvent(event);
1144         }
1145         else if ( isFromParent || isFromSelf )
1146         {
1147             // no, it doesn't come from child, case (b) or (c): forward to a
1148             // page but only if entering notebook page (i.e. direction is
1149             // backwards (Shift-TAB) comething from out-of-notebook, or
1150             // direction is forward (TAB) from ourselves),
1151             if ( m_selection != wxNOT_FOUND &&
1152                     (!event.GetDirection() || isFromSelf) )
1153             {
1154                 // so that the page knows that the event comes from it's parent
1155                 // and is being propagated downwards
1156                 event.SetEventObject(this);
1157
1158                 wxWindow *page = m_pages[m_selection];
1159                 if ( !page->HandleWindowEvent(event) )
1160                 {
1161                     page->SetFocus();
1162                 }
1163                 //else: page manages focus inside it itself
1164             }
1165             else // otherwise set the focus to the notebook itself
1166             {
1167                 SetFocus();
1168             }
1169         }
1170         else
1171         {
1172             // it comes from our child, case (a), pass to the parent, but only
1173             // if the direction is forwards. Otherwise set the focus to the
1174             // notebook itself. The notebook is always the 'first' control of a
1175             // page.
1176             if ( !isForward )
1177             {
1178                 SetFocus();
1179             }
1180             else if ( parent )
1181             {
1182                 event.SetCurrentFocus(this);
1183                 parent->HandleWindowEvent(event);
1184             }
1185         }
1186     }
1187 }
1188
1189 #if wxUSE_UXTHEME
1190
1191 bool wxNotebook::DoDrawBackground(WXHDC hDC, wxWindow *child)
1192 {
1193     wxUxThemeHandle theme(child ? child : this, L"TAB");
1194     if ( !theme )
1195         return false;
1196
1197     // get the notebook client rect (we're not interested in drawing tabs
1198     // themselves)
1199     wxRect r = GetPageSize();
1200     if ( r.IsEmpty() )
1201         return false;
1202
1203     RECT rc;
1204     wxCopyRectToRECT(r, rc);
1205
1206     // map rect to the coords of the window we're drawing in
1207     if ( child )
1208         ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1209
1210     // we have the content area (page size), but we need to draw all of the
1211     // background for it to be aligned correctly
1212     wxUxThemeEngine::Get()->GetThemeBackgroundExtent
1213                             (
1214                                 theme,
1215                                 (HDC) hDC,
1216                                 9 /* TABP_PANE */,
1217                                 0,
1218                                 &rc,
1219                                 &rc
1220                             );
1221     wxUxThemeEngine::Get()->DrawThemeBackground
1222                             (
1223                                 theme,
1224                                 (HDC) hDC,
1225                                 9 /* TABP_PANE */,
1226                                 0,
1227                                 &rc,
1228                                 NULL
1229                             );
1230
1231     return true;
1232 }
1233
1234 WXHBRUSH wxNotebook::QueryBgBitmap()
1235 {
1236     wxRect r = GetPageSize();
1237     if ( r.IsEmpty() )
1238         return 0;
1239
1240     WindowHDC hDC(GetHwnd());
1241     MemoryHDC hDCMem(hDC);
1242     CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);
1243
1244     SelectInHDC selectBmp(hDCMem, hBmp);
1245
1246     if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
1247         return 0;
1248
1249     return (WXHBRUSH)::CreatePatternBrush(hBmp);
1250 }
1251
1252 void wxNotebook::UpdateBgBrush()
1253 {
1254     if ( m_hbrBackground )
1255         ::DeleteObject((HBRUSH)m_hbrBackground);
1256
1257     if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
1258     {
1259         m_hbrBackground = QueryBgBitmap();
1260     }
1261     else // no themes or we've got user-defined solid colour
1262     {
1263         m_hbrBackground = NULL;
1264     }
1265 }
1266
1267 WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, wxWindow *child)
1268 {
1269     if ( m_hbrBackground )
1270     {
1271         // before drawing with the background brush, we need to position it
1272         // correctly
1273         RECT rc;
1274         ::GetWindowRect(GetHwndOf(child), &rc);
1275
1276         ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
1277
1278         if ( !::SetBrushOrgEx((HDC)hDC, -rc.left, -rc.top, NULL) )
1279         {
1280             wxLogLastError(wxT("SetBrushOrgEx(notebook bg brush)"));
1281         }
1282
1283         return m_hbrBackground;
1284     }
1285
1286     return wxNotebookBase::MSWGetBgBrushForChild(hDC, child);
1287 }
1288
1289 bool wxNotebook::MSWPrintChild(WXHDC hDC, wxWindow *child)
1290 {
1291     // solid background colour overrides themed background drawing
1292     if ( !UseBgCol() && DoDrawBackground(hDC, child) )
1293         return true;
1294
1295     // If we're using a solid colour (for example if we've switched off
1296     // theming for this notebook), paint it
1297     if (UseBgCol())
1298     {
1299         wxRect r = GetPageSize();
1300         if ( r.IsEmpty() )
1301             return false;
1302
1303         RECT rc;
1304         wxCopyRectToRECT(r, rc);
1305
1306         // map rect to the coords of the window we're drawing in
1307         if ( child )
1308             ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
1309
1310         wxBrush brush(GetBackgroundColour());
1311         HBRUSH hbr = GetHbrushOf(brush);
1312
1313         ::FillRect((HDC) hDC, &rc, hbr);
1314
1315         return true;
1316     }
1317
1318     return wxNotebookBase::MSWPrintChild(hDC, child);
1319 }
1320
1321 #endif // wxUSE_UXTHEME
1322
1323 // Windows only: attempts to get colour for UX theme page background
1324 wxColour wxNotebook::GetThemeBackgroundColour() const
1325 {
1326 #if wxUSE_UXTHEME
1327     if (wxUxThemeEngine::Get())
1328     {
1329         wxUxThemeHandle hTheme((wxNotebook*) this, L"TAB");
1330         if (hTheme)
1331         {
1332             // This is total guesswork.
1333             // See PlatformSDK\Include\Tmschema.h for values.
1334             // JACS: can also use 9 (TABP_PANE)
1335             COLORREF themeColor;
1336             bool success = (S_OK == wxUxThemeEngine::Get()->GetThemeColor(
1337                                         hTheme,
1338                                         10 /* TABP_BODY */,
1339                                         1 /* NORMAL */,
1340                                         3821 /* FILLCOLORHINT */,
1341                                         &themeColor));
1342             if (!success)
1343                 return GetBackgroundColour();
1344
1345             /*
1346             [DS] Workaround for WindowBlinds:
1347             Some themes return a near black theme color using FILLCOLORHINT,
1348             this makes notebook pages have an ugly black background and makes
1349             text (usually black) unreadable. Retry again with FILLCOLOR.
1350
1351             This workaround potentially breaks appearance of some themes,
1352             but in practice it already fixes some themes.
1353             */
1354             if (themeColor == 1)
1355             {
1356                 wxUxThemeEngine::Get()->GetThemeColor(
1357                                             hTheme,
1358                                             10 /* TABP_BODY */,
1359                                             1 /* NORMAL */,
1360                                             3802 /* FILLCOLOR */,
1361                                             &themeColor);
1362             }
1363
1364             wxColour colour = wxRGBToColour(themeColor);
1365
1366             // Under Vista, the tab background colour is reported incorrectly.
1367             // So for the default theme at least, hard-code the colour to something
1368             // that will blend in.
1369
1370             static int s_AeroStatus = -1;
1371             if (s_AeroStatus == -1)
1372             {
1373                 WCHAR szwThemeFile[1024];
1374                 WCHAR szwThemeColor[256];
1375                 if (S_OK == wxUxThemeEngine::Get()->GetCurrentThemeName(szwThemeFile, 1024, szwThemeColor, 256, NULL, 0))
1376                 {
1377                     wxString themeFile(szwThemeFile), themeColor(szwThemeColor);
1378                     if (themeFile.Find(wxT("Aero")) != -1 && themeColor == wxT("NormalColor"))
1379                         s_AeroStatus = 1;
1380                     else
1381                         s_AeroStatus = 0;
1382                 }
1383                 else
1384                     s_AeroStatus = 0;
1385             }
1386
1387             if (s_AeroStatus == 1)
1388                 colour = wxColour(255, 255, 255);
1389
1390             return colour;
1391         }
1392     }
1393 #endif // wxUSE_UXTHEME
1394
1395     return GetBackgroundColour();
1396 }
1397
1398 // ----------------------------------------------------------------------------
1399 // wxNotebook base class virtuals
1400 // ----------------------------------------------------------------------------
1401
1402 #if wxUSE_CONSTRAINTS
1403
1404 // override these 2 functions to do nothing: everything is done in OnSize
1405
1406 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
1407 {
1408   // don't set the sizes of the pages - their correct size is not yet known
1409   wxControl::SetConstraintSizes(false);
1410 }
1411
1412 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
1413 {
1414   return true;
1415 }
1416
1417 #endif // wxUSE_CONSTRAINTS
1418
1419 // ----------------------------------------------------------------------------
1420 // wxNotebook Windows message handlers
1421 // ----------------------------------------------------------------------------
1422
1423 bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
1424                              WXWORD pos, WXHWND control)
1425 {
1426     // don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
1427     // up-down control
1428     if ( control )
1429         return false;
1430
1431     return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
1432 }
1433
1434 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
1435 {
1436   wxBookCtrlEvent event(wxEVT_NULL, m_windowId);
1437
1438   NMHDR* hdr = (NMHDR *)lParam;
1439   switch ( hdr->code ) {
1440     case TCN_SELCHANGE:
1441       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
1442       break;
1443
1444     case TCN_SELCHANGING:
1445       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
1446       break;
1447
1448     default:
1449       return wxControl::MSWOnNotify(idCtrl, lParam, result);
1450   }
1451
1452   event.SetSelection(TabCtrl_GetCurSel(GetHwnd()));
1453   event.SetOldSelection(m_selection);
1454   event.SetEventObject(this);
1455   event.SetInt(idCtrl);
1456
1457   bool processed = HandleWindowEvent(event);
1458   *result = !event.IsAllowed();
1459   return processed;
1460 }
1461
1462 #endif // wxUSE_NOTEBOOK