src/msw/notebook.cpp

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