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
  39 #include  "wx/msw/private.h"
  40
  41 #include  <windowsx.h>
  42
  43 #ifdef __GNUWIN32_OLD__
  44     #include "wx/msw/gnuwin32/extra.h"
  45 #endif
  46
  47 #if !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
  48     #include <commctrl.h>
  49 #endif
  50
  51 #include "wx/msw/winundef.h"
  52
  53 #if wxUSE_UXTHEME
  54     #include "wx/msw/uxtheme.h"
  55 #endif
  56
  57 // ----------------------------------------------------------------------------
  58 // macros
  59 // ----------------------------------------------------------------------------
  60
  61 // check that the page index is valid
  62 #define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
  63
  64 // hide the ugly cast
  65 #define m_hwnd    (HWND)GetHWND()
  66
  67 // ----------------------------------------------------------------------------
  68 // constants
  69 // ----------------------------------------------------------------------------
  70
  71 // This is a work-around for missing defines in gcc-2.95 headers
  72 #ifndef TCS_RIGHT
  73     #define TCS_RIGHT       0x0002
  74 #endif
  75
  76 #ifndef TCS_VERTICAL
  77     #define TCS_VERTICAL    0x0080
  78 #endif
  79
  80 #ifndef TCS_BOTTOM
  81     #define TCS_BOTTOM      TCS_RIGHT
  82 #endif
  83
  84 // ----------------------------------------------------------------------------
  85 // event table
  86 // ----------------------------------------------------------------------------
  87
  88 #include <wx/listimpl.cpp>
  89
  90 WX_DEFINE_LIST( wxNotebookPageInfoList ) ;
  91
  92 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  93 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  94
  95 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
  96     EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
  97     EVT_SIZE(wxNotebook::OnSize)
  98     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
  99 END_EVENT_TABLE()
 100
 101 #if wxUSE_EXTENDED_RTTI
 102 WX_DEFINE_FLAGS( wxNotebookStyle )
 103
 104 wxBEGIN_FLAGS( wxNotebookStyle )
 105     // new style border flags, we put them first to
 106     // use them for streaming out
 107     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 108     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 109     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 110     wxFLAGS_MEMBER(wxBORDER_RAISED)
 111     wxFLAGS_MEMBER(wxBORDER_STATIC)
 112     wxFLAGS_MEMBER(wxBORDER_NONE)
 113
 114     // old style border flags
 115     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 116     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 117     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 118     wxFLAGS_MEMBER(wxRAISED_BORDER)
 119     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 120     wxFLAGS_MEMBER(wxBORDER)
 121
 122     // standard window styles
 123     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 124     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 125     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 126     wxFLAGS_MEMBER(wxWANTS_CHARS)
 127     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 128     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 129     wxFLAGS_MEMBER(wxVSCROLL)
 130     wxFLAGS_MEMBER(wxHSCROLL)
 131
 132     wxFLAGS_MEMBER(wxNB_FIXEDWIDTH)
 133     wxFLAGS_MEMBER(wxNB_LEFT)
 134     wxFLAGS_MEMBER(wxNB_RIGHT)
 135     wxFLAGS_MEMBER(wxNB_BOTTOM)
 136     wxFLAGS_MEMBER(wxNB_NOPAGETHEME)
 137     wxFLAGS_MEMBER(wxNB_FLAT)
 138
 139 wxEND_FLAGS( wxNotebookStyle )
 140
 141 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebook, wxControl,"wx/notebook.h")
 142 IMPLEMENT_DYNAMIC_CLASS_XTI(wxNotebookPageInfo, wxObject , "wx/notebook.h" )
 143
 144 wxCOLLECTION_TYPE_INFO( wxNotebookPageInfo * , wxNotebookPageInfoList ) ;
 145
 146 template<> void wxCollectionToVariantArray( wxNotebookPageInfoList const &theList, wxxVariantArray &value)
 147 {
 148     wxListCollectionToVariantArray<wxNotebookPageInfoList::compatibility_iterator>( theList , value ) ;
 149 }
 150
 151 wxBEGIN_PROPERTIES_TABLE(wxNotebook)
 152     wxEVENT_PROPERTY( PageChanging , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING , wxNotebookEvent )
 153     wxEVENT_PROPERTY( PageChanged , wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED , wxNotebookEvent )
 154
 155     wxPROPERTY_COLLECTION( PageInfos , wxNotebookPageInfoList , wxNotebookPageInfo* , AddPageInfo , GetPageInfos , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 156     wxPROPERTY_FLAGS( WindowStyle , wxNotebookStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 157 wxEND_PROPERTIES_TABLE()
 158
 159 wxBEGIN_HANDLERS_TABLE(wxNotebook)
 160 wxEND_HANDLERS_TABLE()
 161
 162 wxCONSTRUCTOR_5( wxNotebook , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle)
 163
 164
 165 wxBEGIN_PROPERTIES_TABLE(wxNotebookPageInfo)
 166     wxREADONLY_PROPERTY( Page , wxNotebookPage* , GetPage , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 167     wxREADONLY_PROPERTY( Text , wxString , GetText , wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 168     wxREADONLY_PROPERTY( Selected , bool , GetSelected , false, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 169     wxREADONLY_PROPERTY( ImageId , int , GetImageId , -1 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 170 wxEND_PROPERTIES_TABLE()
 171
 172 wxBEGIN_HANDLERS_TABLE(wxNotebookPageInfo)
 173 wxEND_HANDLERS_TABLE()
 174
 175 wxCONSTRUCTOR_4( wxNotebookPageInfo , wxNotebookPage* , Page , wxString , Text , bool , Selected , int , ImageId )
 176
 177 #else
 178 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
 179 IMPLEMENT_DYNAMIC_CLASS(wxNotebookPageInfo, wxObject )
 180 #endif
 181 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 182
 183 // ============================================================================
 184 // implementation
 185 // ============================================================================
 186
 187 // ----------------------------------------------------------------------------
 188 // wxNotebook construction
 189 // ----------------------------------------------------------------------------
 190
 191 const wxNotebookPageInfoList& wxNotebook::GetPageInfos() const
 192 {
 193     wxNotebookPageInfoList* list = const_cast< wxNotebookPageInfoList* >( &m_pageInfos ) ;
 194     WX_CLEAR_LIST( wxNotebookPageInfoList , *list ) ;
 195     for( size_t i = 0 ; i < GetPageCount() ; ++i )
 196     {
 197         wxNotebookPageInfo *info = new wxNotebookPageInfo() ;
 198         info->Create( const_cast<wxNotebook*>(this)->GetPage(i) , GetPageText(i) , GetSelection() == int(i) , GetPageImage(i) ) ;
 199         list->Append( info ) ;
 200     }
 201     return m_pageInfos ;
 202 }
 203
 204 // common part of all ctors
 205 void wxNotebook::Init()
 206 {
 207   m_imageList = NULL;
 208   m_nSelection = -1;
 209
 210 #if wxUSE_UXTHEME
 211   m_hbrBackground = NULL;
 212 #endif // wxUSE_UXTHEME
 213 }
 214
 215 // default for dynamic class
 216 wxNotebook::wxNotebook()
 217 {
 218   Init();
 219 }
 220
 221 // the same arguments as for wxControl
 222 wxNotebook::wxNotebook(wxWindow *parent,
 223                        wxWindowID id,
 224                        const wxPoint& pos,
 225                        const wxSize& size,
 226                        long style,
 227                        const wxString& name)
 228 {
 229   Init();
 230
 231   Create(parent, id, pos, size, style, name);
 232 }
 233
 234 // Create() function
 235 bool wxNotebook::Create(wxWindow *parent,
 236                         wxWindowID id,
 237                         const wxPoint& pos,
 238                         const wxSize& size,
 239                         long style,
 240                         const wxString& name)
 241 {
 242 #ifdef __WXWINCE__
 243     // Not sure why, but without this style, there is no border
 244     // around the notebook tabs.
 245     if (style & wxNB_FLAT)
 246         style |= wxBORDER_SUNKEN;
 247 #endif
 248
 249     // comctl32.dll 6.0 doesn't support non-top tabs with visual styles (the
 250     // control is simply not rendered correctly), so disable them in this case
 251     const int verComCtl32 = wxApp::GetComCtl32Version();
 252     if ( verComCtl32 == 600 )
 253     {
 254         // check if we use themes at all -- if we don't, we're still ok
 255 #if wxUSE_UXTHEME
 256         if ( wxUxThemeEngine::GetIfActive() )
 257 #endif
 258         {
 259             style &= ~(wxNB_BOTTOM | wxNB_LEFT | wxNB_RIGHT);
 260         }
 261     }
 262
 263     LPCTSTR className = WC_TABCONTROL;
 264
 265     // SysTabCtl32 class has natively CS_HREDRAW and CS_VREDRAW enabled and it
 266     // causes horrible flicker when resizing notebook, so get rid of it by
 267     // using a class without these styles (but otherwise identical to it)
 268     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
 269     {
 270         static ClassRegistrar s_clsNotebook;
 271         if ( !s_clsNotebook.IsInitialized() )
 272         {
 273             // get a copy of standard class and modify it
 274             WNDCLASS wc;
 275
 276             if ( ::GetClassInfo(::GetModuleHandle(NULL), WC_TABCONTROL, &wc) )
 277             {
 278                 wc.lpszClassName = wxT("_wx_SysTabCtl32");
 279                 wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
 280
 281                 s_clsNotebook.Register(wc);
 282             }
 283             else
 284             {
 285                 wxLogLastError(_T("GetClassInfoEx(SysTabCtl32)"));
 286             }
 287         }
 288
 289         // use our custom class if available but fall back to the standard
 290         // notebook if we failed to register it
 291         if ( s_clsNotebook.IsRegistered() )
 292         {
 293             // it's ok to use c_str() here as the static s_clsNotebook object
 294             // has sufficiently long lifetime
 295             className = s_clsNotebook.GetName().c_str();
 296         }
 297     }
 298
 299     if ( !CreateControl(parent, id, pos, size, style | wxTAB_TRAVERSAL,
 300                         wxDefaultValidator, name) )
 301         return false;
 302
 303     if ( !MSWCreateControl(className, wxEmptyString, pos, size) )
 304         return false;
 305
 306 #if wxUSE_UXTHEME
 307     if ( HasFlag(wxNB_NOPAGETHEME) ||
 308             wxSystemOptions::IsFalse(wxT("msw.notebook.themed-background")) )
 309     {
 310         SetBackgroundColour(GetThemeBackgroundColour());
 311     }
 312 #endif // wxUSE_UXTHEME
 313
 314     // Undocumented hack to get flat notebook style
 315     // In fact, we should probably only do this in some
 316     // curcumstances, i.e. if we know we will have a border
 317     // at the bottom (the tab control doesn't draw it itself)
 318 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
 319     if (HasFlag(wxNB_FLAT))
 320     {
 321         SendMessage(m_hwnd, CCM_SETVERSION, COMCTL32_VERSION, 0);
 322         if (!m_hasBgCol)
 323             SetBackgroundColour(*wxWHITE);
 324     }
 325 #endif
 326     return true;
 327 }
 328
 329 WXDWORD wxNotebook::MSWGetStyle(long style, WXDWORD *exstyle) const
 330 {
 331     WXDWORD tabStyle = wxControl::MSWGetStyle(style, exstyle);
 332
 333     tabStyle |= WS_TABSTOP | TCS_TABS;
 334
 335     if ( style & wxNB_MULTILINE )
 336         tabStyle |= TCS_MULTILINE;
 337     if ( style & wxNB_FIXEDWIDTH )
 338         tabStyle |= TCS_FIXEDWIDTH;
 339
 340     if ( style & wxNB_BOTTOM )
 341         tabStyle |= TCS_RIGHT;
 342     else if ( style & wxNB_LEFT )
 343         tabStyle |= TCS_VERTICAL;
 344     else if ( style & wxNB_RIGHT )
 345         tabStyle |= TCS_VERTICAL | TCS_RIGHT;
 346
 347     // ex style
 348     if ( exstyle )
 349     {
 350         // note that we never want to have the default WS_EX_CLIENTEDGE style
 351         // as it looks too ugly for the notebooks
 352         *exstyle = 0;
 353     }
 354
 355     return tabStyle;
 356 }
 357
 358 wxNotebook::~wxNotebook()
 359 {
 360 #if wxUSE_UXTHEME
 361     if ( m_hbrBackground )
 362         ::DeleteObject((HBRUSH)m_hbrBackground);
 363 #endif // wxUSE_UXTHEME
 364 }
 365
 366 // ----------------------------------------------------------------------------
 367 // wxNotebook accessors
 368 // ----------------------------------------------------------------------------
 369
 370 size_t wxNotebook::GetPageCount() const
 371 {
 372   // consistency check
 373   wxASSERT( (int)m_pages.Count() == TabCtrl_GetItemCount(m_hwnd) );
 374
 375   return m_pages.Count();
 376 }
 377
 378 int wxNotebook::GetRowCount() const
 379 {
 380   return TabCtrl_GetRowCount(m_hwnd);
 381 }
 382
 383 int wxNotebook::SetSelection(size_t nPage)
 384 {
 385   wxCHECK_MSG( IS_VALID_PAGE(nPage), wxNOT_FOUND, wxT("notebook page out of range") );
 386
 387   if ( int(nPage) != m_nSelection )
 388   {
 389     wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
 390     event.SetSelection(nPage);
 391     event.SetOldSelection(m_nSelection);
 392     event.SetEventObject(this);
 393     if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
 394     {
 395       // program allows the page change
 396       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
 397       (void)GetEventHandler()->ProcessEvent(event);
 398
 399       TabCtrl_SetCurSel(m_hwnd, nPage);
 400     }
 401   }
 402
 403   return m_nSelection;
 404 }
 405
 406 bool wxNotebook::SetPageText(size_t nPage, const wxString& strText)
 407 {
 408   wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 409
 410   TC_ITEM tcItem;
 411   tcItem.mask = TCIF_TEXT;
 412   tcItem.pszText = (wxChar *)strText.c_str();
 413
 414   return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
 415 }
 416
 417 wxString wxNotebook::GetPageText(size_t nPage) const
 418 {
 419   wxCHECK_MSG( IS_VALID_PAGE(nPage), wxEmptyString, wxT("notebook page out of range") );
 420
 421   wxChar buf[256];
 422   TC_ITEM tcItem;
 423   tcItem.mask = TCIF_TEXT;
 424   tcItem.pszText = buf;
 425   tcItem.cchTextMax = WXSIZEOF(buf);
 426
 427   wxString str;
 428   if ( TabCtrl_GetItem(m_hwnd, nPage, &tcItem) )
 429     str = tcItem.pszText;
 430
 431   return str;
 432 }
 433
 434 int wxNotebook::GetPageImage(size_t nPage) const
 435 {
 436   wxCHECK_MSG( IS_VALID_PAGE(nPage), -1, wxT("notebook page out of range") );
 437
 438   TC_ITEM tcItem;
 439   tcItem.mask = TCIF_IMAGE;
 440
 441   return TabCtrl_GetItem(m_hwnd, nPage, &tcItem) ? tcItem.iImage : -1;
 442 }
 443
 444 bool wxNotebook::SetPageImage(size_t nPage, int nImage)
 445 {
 446   wxCHECK_MSG( IS_VALID_PAGE(nPage), false, wxT("notebook page out of range") );
 447
 448   TC_ITEM tcItem;
 449   tcItem.mask = TCIF_IMAGE;
 450   tcItem.iImage = nImage;
 451
 452   return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
 453 }
 454
 455 void wxNotebook::SetImageList(wxImageList* imageList)
 456 {
 457   wxNotebookBase::SetImageList(imageList);
 458
 459   if ( imageList )
 460   {
 461     TabCtrl_SetImageList(m_hwnd, (HIMAGELIST)imageList->GetHIMAGELIST());
 462   }
 463 }
 464
 465 // ----------------------------------------------------------------------------
 466 // wxNotebook size settings
 467 // ----------------------------------------------------------------------------
 468
 469 wxRect wxNotebook::GetPageSize() const
 470 {
 471     wxRect r;
 472
 473     RECT rc;
 474     ::GetClientRect(GetHwnd(), &rc);
 475
 476     // This check is to work around a bug in TabCtrl_AdjustRect which will
 477     // cause a crash on win2k, or on XP with themes disabled, if the
 478     // wxNB_MULTILINE style is used and the rectangle is very small, (such as
 479     // when the notebook is first created.)  The value of 20 is just
 480     // arbitrarily chosen, if there is a better way to determine this value
 481     // then please do so.  --RD
 482     if ( !HasFlag(wxNB_MULTILINE) || (rc.right > 20 && rc.bottom > 20) )
 483     {
 484         TabCtrl_AdjustRect(m_hwnd, false, &rc);
 485
 486         wxCopyRECTToRect(rc, r);
 487     }
 488
 489     return r;
 490 }
 491
 492 void wxNotebook::SetPageSize(const wxSize& size)
 493 {
 494     // transform the page size into the notebook size
 495     RECT rc;
 496     rc.left =
 497     rc.top = 0;
 498     rc.right = size.x;
 499     rc.bottom = size.y;
 500
 501     TabCtrl_AdjustRect(GetHwnd(), true, &rc);
 502
 503     // and now set it
 504     SetSize(rc.right - rc.left, rc.bottom - rc.top);
 505 }
 506
 507 void wxNotebook::SetPadding(const wxSize& padding)
 508 {
 509     TabCtrl_SetPadding(GetHwnd(), padding.x, padding.y);
 510 }
 511
 512 // Windows-only at present. Also, you must use the wxNB_FIXEDWIDTH
 513 // style.
 514 void wxNotebook::SetTabSize(const wxSize& sz)
 515 {
 516     ::SendMessage(GetHwnd(), TCM_SETITEMSIZE, 0, MAKELPARAM(sz.x, sz.y));
 517 }
 518
 519 wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 520 {
 521     wxSize sizeTotal = sizePage;
 522
 523     // We need to make getting tab size part of the wxWidgets API.
 524     wxSize tabSize;
 525     if (GetPageCount() > 0)
 526     {
 527         RECT rect;
 528         TabCtrl_GetItemRect((HWND) GetHWND(), 0, & rect);
 529         tabSize.x = rect.right - rect.left;
 530         tabSize.y = rect.bottom - rect.top;
 531     }
 532     if ( HasFlag(wxNB_LEFT) || HasFlag(wxNB_RIGHT) )
 533     {
 534         sizeTotal.x += tabSize.x + 7;
 535         sizeTotal.y += 7;
 536     }
 537     else
 538     {
 539         sizeTotal.x += 7;
 540         sizeTotal.y += tabSize.y + 7;
 541     }
 542
 543     return sizeTotal;
 544 }
 545
 546 void wxNotebook::AdjustPageSize(wxNotebookPage *page)
 547 {
 548     wxCHECK_RET( page, _T("NULL page in wxNotebook::AdjustPageSize") );
 549
 550     const wxRect r = GetPageSize();
 551     if ( !r.IsEmpty() )
 552     {
 553         page->SetSize(r);
 554     }
 555 }
 556
 557 // ----------------------------------------------------------------------------
 558 // wxNotebook operations
 559 // ----------------------------------------------------------------------------
 560
 561 // remove one page from the notebook, without deleting
 562 wxNotebookPage *wxNotebook::DoRemovePage(size_t nPage)
 563 {
 564     wxNotebookPage *pageRemoved = wxNotebookBase::DoRemovePage(nPage);
 565     if ( !pageRemoved )
 566         return NULL;
 567
 568     TabCtrl_DeleteItem(m_hwnd, nPage);
 569
 570     if ( m_pages.IsEmpty() )
 571     {
 572         // no selection any more, the notebook becamse empty
 573         m_nSelection = -1;
 574     }
 575     else // notebook still not empty
 576     {
 577         int selNew = TabCtrl_GetCurSel(m_hwnd);
 578         if (selNew != -1)
 579         {
 580             // No selection change, just refresh the current selection.
 581             // Because it could be that the slection index changed
 582             // we need to update it.
 583             // Note: this does not mean the selection it self changed.
 584             m_nSelection = selNew;
 585             m_pages[m_nSelection]->Refresh();
 586         }
 587         else if (int(nPage) == m_nSelection)
 588         {
 589             // The selection was deleted.
 590
 591             // Determine new selection.
 592             if (m_nSelection == int(GetPageCount()))
 593                 selNew = m_nSelection - 1;
 594             else
 595                 selNew = m_nSelection;
 596
 597             // m_nSelection must be always valid so reset it before calling
 598             // SetSelection()
 599             m_nSelection = -1;
 600             SetSelection(selNew);
 601         }
 602         else
 603         {
 604             wxFAIL; // Windows did not behave ok.
 605         }
 606     }
 607
 608     return pageRemoved;
 609 }
 610
 611 // remove all pages
 612 bool wxNotebook::DeleteAllPages()
 613 {
 614   size_t nPageCount = GetPageCount();
 615   size_t nPage;
 616   for ( nPage = 0; nPage < nPageCount; nPage++ )
 617     delete m_pages[nPage];
 618
 619   m_pages.Clear();
 620
 621   TabCtrl_DeleteAllItems(m_hwnd);
 622
 623   m_nSelection = -1;
 624
 625   InvalidateBestSize();
 626   return true;
 627 }
 628
 629 // same as AddPage() but does it at given position
 630 bool wxNotebook::InsertPage(size_t nPage,
 631                             wxNotebookPage *pPage,
 632                             const wxString& strText,
 633                             bool bSelect,
 634                             int imageId)
 635 {
 636     wxCHECK_MSG( pPage != NULL, false, _T("NULL page in wxNotebook::InsertPage") );
 637     wxCHECK_MSG( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), false,
 638                  _T("invalid index in wxNotebook::InsertPage") );
 639
 640     wxASSERT_MSG( pPage->GetParent() == this,
 641                     _T("notebook pages must have notebook as parent") );
 642
 643     // add a new tab to the control
 644     // ----------------------------
 645
 646     // init all fields to 0
 647     TC_ITEM tcItem;
 648     wxZeroMemory(tcItem);
 649
 650     // set the image, if any
 651     if ( imageId != -1 )
 652     {
 653         tcItem.mask |= TCIF_IMAGE;
 654         tcItem.iImage  = imageId;
 655     }
 656
 657     // and the text
 658     if ( !strText.empty() )
 659     {
 660         tcItem.mask |= TCIF_TEXT;
 661         tcItem.pszText = (wxChar *)strText.c_str(); // const_cast
 662     }
 663
 664     // hide the page: unless it is selected, it shouldn't be shown (and if it
 665     // is selected it will be shown later)
 666     HWND hwnd = GetWinHwnd(pPage);
 667     SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
 668
 669     // this updates internal flag too -- otherwise it would get out of sync
 670     // with the real state
 671     pPage->Show(false);
 672
 673
 674     // fit the notebook page to the tab control's display area: this should be
 675     // done before adding it to the notebook or TabCtrl_InsertItem() will
 676     // change the notebooks size itself!
 677     AdjustPageSize(pPage);
 678
 679     // finally do insert it
 680     if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 )
 681     {
 682         wxLogError(wxT("Can't create the notebook page '%s'."), strText.c_str());
 683
 684         return false;
 685     }
 686
 687     // succeeded: save the pointer to the page
 688     m_pages.Insert(pPage, nPage);
 689
 690     // we may need to adjust the size again if the notebook size changed:
 691     // normally this only happens for the first page we add (the tabs which
 692     // hadn't been there before are now shown) but for a multiline notebook it
 693     // can happen for any page at all as a new row could have been started
 694     if ( m_pages.GetCount() == 1 || HasFlag(wxNB_MULTILINE) )
 695     {
 696         AdjustPageSize(pPage);
 697     }
 698
 699     // now deal with the selection
 700     // ---------------------------
 701
 702     // if the inserted page is before the selected one, we must update the
 703     // index of the selected page
 704     if ( int(nPage) <= m_nSelection )
 705     {
 706         // one extra page added
 707         m_nSelection++;
 708     }
 709
 710     // some page should be selected: either this one or the first one if there
 711     // is still no selection
 712     int selNew = -1;
 713     if ( bSelect )
 714         selNew = nPage;
 715     else if ( m_nSelection == -1 )
 716         selNew = 0;
 717
 718     if ( selNew != -1 )
 719         SetSelection(selNew);
 720
 721     InvalidateBestSize();
 722
 723     return true;
 724 }
 725
 726 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 727 {
 728     TC_HITTESTINFO hitTestInfo;
 729     hitTestInfo.pt.x = pt.x;
 730     hitTestInfo.pt.y = pt.y;
 731     int item = TabCtrl_HitTest(GetHwnd(), &hitTestInfo);
 732
 733     if ( flags )
 734     {
 735         *flags = 0;
 736
 737         if ((hitTestInfo.flags & TCHT_NOWHERE) == TCHT_NOWHERE)
 738             *flags |= wxNB_HITTEST_NOWHERE;
 739         if ((hitTestInfo.flags & TCHT_ONITEM) == TCHT_ONITEM)
 740             *flags |= wxNB_HITTEST_ONITEM;
 741         if ((hitTestInfo.flags & TCHT_ONITEMICON) == TCHT_ONITEMICON)
 742             *flags |= wxNB_HITTEST_ONICON;
 743         if ((hitTestInfo.flags & TCHT_ONITEMLABEL) == TCHT_ONITEMLABEL)
 744             *flags |= wxNB_HITTEST_ONLABEL;
 745     }
 746
 747     return item;
 748 }
 749
 750
 751 // ----------------------------------------------------------------------------
 752 // wxNotebook callbacks
 753 // ----------------------------------------------------------------------------
 754
 755 void wxNotebook::OnSize(wxSizeEvent& event)
 756 {
 757 #if wxUSE_UXTHEME
 758     // background bitmap size has changed, update the brush using it too
 759     UpdateBgBrush();
 760 #endif // wxUSE_UXTHEME
 761
 762     if ( GetPageCount() == 0 )
 763     {
 764         // Prevents droppings on resize, but does cause some flicker
 765         // when there are no pages.
 766         Refresh();
 767         event.Skip();
 768         return;
 769     }
 770
 771     // fit all the notebook pages to the tab control's display area
 772
 773     RECT rc;
 774     rc.left = rc.top = 0;
 775     GetSize((int *)&rc.right, (int *)&rc.bottom);
 776
 777     // save the total size, we'll use it below
 778     int widthNbook = rc.right - rc.left,
 779         heightNbook = rc.bottom - rc.top;
 780
 781     // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
 782     // returns completely false values for multiline tab controls after the tabs
 783     // are added but before getting the first WM_SIZE (off by ~50 pixels, see
 784     //
 785     // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
 786     //
 787     // and the only work around I could find was this ugly hack... without it
 788     // simply toggling the "multiline" checkbox in the notebook sample resulted
 789     // in a noticeable page displacement
 790     if ( HasFlag(wxNB_MULTILINE) )
 791     {
 792         // avoid an infinite recursion: we get another notification too!
 793         static bool s_isInOnSize = false;
 794
 795         if ( !s_isInOnSize )
 796         {
 797             s_isInOnSize = true;
 798             SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
 799                     MAKELPARAM(rc.right, rc.bottom));
 800             s_isInOnSize = false;
 801         }
 802     }
 803
 804     TabCtrl_AdjustRect(m_hwnd, false, &rc);
 805
 806     int width = rc.right - rc.left,
 807         height = rc.bottom - rc.top;
 808     size_t nCount = m_pages.Count();
 809     for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
 810         wxNotebookPage *pPage = m_pages[nPage];
 811         pPage->SetSize(rc.left, rc.top, width, height);
 812     }
 813
 814
 815     // unless we had already repainted everything, we now need to refresh
 816     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
 817     {
 818         // invalidate areas not covered by pages
 819         RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
 820         RefreshRect(wxRect(0, rc.top, rc.left, height), false);
 821         RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
 822                     false);
 823         RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.bottom, height),
 824                     false);
 825     }
 826
 827     event.Skip();
 828 }
 829
 830 void wxNotebook::OnSelChange(wxNotebookEvent& event)
 831 {
 832   // is it our tab control?
 833   if ( event.GetEventObject() == this )
 834   {
 835       int sel = event.GetOldSelection();
 836       if ( sel != -1 )
 837         m_pages[sel]->Show(false);
 838
 839       sel = event.GetSelection();
 840       if ( sel != -1 )
 841       {
 842         wxNotebookPage *pPage = m_pages[sel];
 843         pPage->Show(true);
 844         pPage->SetFocus();
 845
 846         // If the newly focused window is not a child of the new page,
 847         // SetFocus was not successful and the notebook itself should be
 848         // focused
 849         wxWindow *currentFocus = FindFocus();
 850         wxWindow *startFocus = currentFocus;
 851         while ( currentFocus && currentFocus != pPage && currentFocus != this )
 852             currentFocus = currentFocus->GetParent();
 853
 854         if ( startFocus == pPage || currentFocus != pPage )
 855             SetFocus();
 856
 857       }
 858       else // no pages in the notebook, give the focus to itself
 859       {
 860           SetFocus();
 861       }
 862
 863       m_nSelection = sel;
 864   }
 865
 866   // we want to give others a chance to process this message as well
 867   event.Skip();
 868 }
 869
 870 bool wxNotebook::MSWTranslateMessage(WXMSG *wxmsg)
 871 {
 872     const MSG * const msg = (MSG *)wxmsg;
 873
 874     // intercept TAB, CTRL+TAB and CTRL+SHIFT+TAB for processing by wxNotebook.
 875     // TAB will be passed to the currently selected page, CTRL+TAB and
 876     // CTRL+SHIFT+TAB will be processed by the notebook itself. do not
 877     // intercept SHIFT+TAB. This goes to the parent of the notebook which will
 878     // process it.
 879     if ( msg->message == WM_KEYDOWN && msg->wParam == VK_TAB &&
 880             msg->hwnd == m_hwnd &&
 881                 (wxIsCtrlDown() || !wxIsShiftDown()) )
 882     {
 883         return MSWProcessMessage(wxmsg);
 884     }
 885
 886     return false;
 887 }
 888
 889 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 890 {
 891     if ( event.IsWindowChange() ) {
 892         // change pages
 893         AdvanceSelection(event.GetDirection());
 894     }
 895     else {
 896         // we get this event in 3 cases
 897         //
 898         // a) one of our pages might have generated it because the user TABbed
 899         // out from it in which case we should propagate the event upwards and
 900         // our parent will take care of setting the focus to prev/next sibling
 901         //
 902         // or
 903         //
 904         // b) the parent panel wants to give the focus to us so that we
 905         // forward it to our selected page. We can't deal with this in
 906         // OnSetFocus() because we don't know which direction the focus came
 907         // from in this case and so can't choose between setting the focus to
 908         // first or last panel child
 909         //
 910         // or
 911         //
 912         // c) we ourselves (see MSWTranslateMessage) generated the event
 913         //
 914         wxWindow * const parent = GetParent();
 915
 916         const bool isFromParent = event.GetEventObject() == parent;
 917         const bool isFromSelf = event.GetEventObject() == this;
 918
 919         if ( isFromParent || isFromSelf )
 920         {
 921             // no, it doesn't come from child, case (b) or (c): forward to a
 922             // page but only if direction is backwards (TAB) or from ourselves,
 923             if ( m_nSelection != -1 &&
 924                     (!event.GetDirection() || isFromSelf) )
 925             {
 926                 // so that the page knows that the event comes from it's parent
 927                 // and is being propagated downwards
 928                 event.SetEventObject(this);
 929
 930                 wxWindow *page = m_pages[m_nSelection];
 931                 if ( !page->GetEventHandler()->ProcessEvent(event) )
 932                 {
 933                     page->SetFocus();
 934                 }
 935                 //else: page manages focus inside it itself
 936             }
 937             else // otherwise set the focus to the notebook itself
 938             {
 939                 SetFocus();
 940             }
 941         }
 942         else
 943         {
 944             // it comes from our child, case (a), pass to the parent, but only
 945             // if the direction is forwards. Otherwise set the focus to the
 946             // notebook itself. The notebook is always the 'first' control of a
 947             // page.
 948             if ( !event.GetDirection() )
 949             {
 950                 SetFocus();
 951             }
 952             else if ( parent )
 953             {
 954                 event.SetCurrentFocus(this);
 955                 parent->GetEventHandler()->ProcessEvent(event);
 956             }
 957         }
 958     }
 959 }
 960
 961 #if wxUSE_UXTHEME
 962
 963 bool wxNotebook::DoDrawBackground(WXHDC hDC, wxWindow *child)
 964 {
 965     wxUxThemeHandle theme(child ? child : this, L"TAB");
 966     if ( !theme )
 967         return false;
 968
 969     // get the notebook client rect (we're not interested in drawing tabs
 970     // themselves)
 971     wxRect r = GetPageSize();
 972     if ( r.IsEmpty() )
 973         return false;
 974
 975     RECT rc;
 976     wxCopyRectToRECT(r, rc);
 977
 978     // map rect to the coords of the window we're drawing in
 979     if ( child )
 980         ::MapWindowPoints(GetHwnd(), GetHwndOf(child), (POINT *)&rc, 2);
 981
 982
 983     // apparently DrawThemeBackground() modifies the rect passed to it and if we
 984     // don't do these adjustments, there are some drawing artifacts which are
 985     // only visible with some non default themes; so modify the rect here using
 986     // the magic numbers below so that it still paints the correct area
 987     rc.left   -= 2;
 988     rc.top    -= 2;
 989     rc.right  += 4;
 990     rc.bottom += 5;
 991
 992
 993     wxUxThemeEngine::Get()->DrawThemeBackground
 994                             (
 995                                 theme,
 996                                 hDC,
 997                                 9 /* TABP_PANE */,
 998                                 0,
 999                                 &rc,
1000                                 NULL
1001                             );
1002
1003     return true;
1004 }
1005
1006 WXHBRUSH wxNotebook::QueryBgBitmap()
1007 {
1008     wxRect r = GetPageSize();
1009     if ( r.IsEmpty() )
1010         return 0;
1011
1012     WindowHDC hDC(GetHwnd());
1013     MemoryHDC hDCMem(hDC);
1014     CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);
1015
1016     SelectInHDC selectBmp(hDCMem, hBmp);
1017
1018     if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
1019         return 0;
1020
1021     return (WXHBRUSH)::CreatePatternBrush(hBmp);
1022 }
1023
1024 void wxNotebook::UpdateBgBrush()
1025 {
1026     if ( m_hbrBackground )
1027         ::DeleteObject((HBRUSH)m_hbrBackground);
1028
1029     if ( !m_hasBgCol && wxUxThemeEngine::GetIfActive() )
1030     {
1031         m_hbrBackground = QueryBgBitmap();
1032     }
1033     else // no themes or we've got user-defined solid colour
1034     {
1035         m_hbrBackground = NULL;
1036     }
1037 }
1038
1039 WXHBRUSH wxNotebook::MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd)
1040 {
1041     if ( m_hbrBackground )
1042     {
1043         // before drawing with the background brush, we need to position it
1044         // correctly
1045         RECT rc;
1046         ::GetWindowRect((HWND)hWnd, &rc);
1047
1048         ::MapWindowPoints(NULL, GetHwnd(), (POINT *)&rc, 1);
1049
1050         if ( !::SetBrushOrgEx((HDC)hDC, -rc.left, -rc.top, NULL) )
1051         {
1052             wxLogLastError(_T("SetBrushOrgEx(notebook bg brush)"));
1053         }
1054
1055         return m_hbrBackground;
1056     }
1057
1058     return wxNotebookBase::MSWGetBgBrushForChild(hDC, hWnd);
1059 }
1060
1061 bool wxNotebook::MSWPrintChild(WXHDC hDC, wxWindow *child)
1062 {
1063     // solid background colour overrides themed background drawing
1064     if ( !UseBgCol() && DoDrawBackground(hDC, child) )
1065         return true;
1066
1067     return wxNotebookBase::MSWPrintChild(hDC, child);
1068 }
1069
1070 #endif // wxUSE_UXTHEME
1071
1072 // Windows only: attempts to get colour for UX theme page background
1073 wxColour wxNotebook::GetThemeBackgroundColour() const
1074 {
1075 #if wxUSE_UXTHEME
1076     if (wxUxThemeEngine::Get())
1077     {
1078         wxUxThemeHandle hTheme((wxNotebook*) this, L"TAB");
1079         if (hTheme)
1080         {
1081             // This is total guesswork.
1082             // See PlatformSDK\Include\Tmschema.h for values
1083             COLORREF themeColor;
1084             wxUxThemeEngine::Get()->GetThemeColor(
1085                                         hTheme,
1086                                         10 /* TABP_BODY */,
1087                                         1 /* NORMAL */,
1088                                         3821 /* FILLCOLORHINT */,
1089                                         &themeColor);
1090
1091             /*
1092             [DS] Workaround for WindowBlinds:
1093             Some themes return a near black theme color using FILLCOLORHINT,
1094             this makes notebook pages have an ugly black background and makes
1095             text (usually black) unreadable. Retry again with FILLCOLOR.
1096
1097             This workaround potentially breaks appearance of some themes,
1098             but in practice it already fixes some themes.
1099             */
1100             if (themeColor == 1)
1101             {
1102                 wxUxThemeEngine::Get()->GetThemeColor(
1103                                             hTheme,
1104                                             10 /* TABP_BODY */,
1105                                             1 /* NORMAL */,
1106                                             3802 /* FILLCOLOR */,
1107                                             &themeColor);
1108             }
1109
1110             return wxRGBToColour(themeColor);
1111         }
1112     }
1113 #endif // wxUSE_UXTHEME
1114
1115     return GetBackgroundColour();
1116 }
1117
1118 // ----------------------------------------------------------------------------
1119 // wxNotebook base class virtuals
1120 // ----------------------------------------------------------------------------
1121
1122 #if wxUSE_CONSTRAINTS
1123
1124 // override these 2 functions to do nothing: everything is done in OnSize
1125
1126 void wxNotebook::SetConstraintSizes(bool WXUNUSED(recurse))
1127 {
1128   // don't set the sizes of the pages - their correct size is not yet known
1129   wxControl::SetConstraintSizes(false);
1130 }
1131
1132 bool wxNotebook::DoPhase(int WXUNUSED(nPhase))
1133 {
1134   return true;
1135 }
1136
1137 #endif // wxUSE_CONSTRAINTS
1138
1139 // ----------------------------------------------------------------------------
1140 // wxNotebook Windows message handlers
1141 // ----------------------------------------------------------------------------
1142
1143 bool wxNotebook::MSWOnScroll(int orientation, WXWORD nSBCode,
1144                              WXWORD pos, WXHWND control)
1145 {
1146     // don't generate EVT_SCROLLWIN events for the WM_SCROLLs coming from the
1147     // up-down control
1148     if ( control )
1149         return false;
1150
1151     return wxNotebookBase::MSWOnScroll(orientation, nSBCode, pos, control);
1152 }
1153
1154 bool wxNotebook::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result)
1155 {
1156   wxNotebookEvent event(wxEVT_NULL, m_windowId);
1157
1158   NMHDR* hdr = (NMHDR *)lParam;
1159   switch ( hdr->code ) {
1160     case TCN_SELCHANGE:
1161       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
1162       break;
1163
1164     case TCN_SELCHANGING:
1165       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
1166       break;
1167
1168     default:
1169       return wxControl::MSWOnNotify(idCtrl, lParam, result);
1170   }
1171
1172   event.SetSelection(TabCtrl_GetCurSel(m_hwnd));
1173   event.SetOldSelection(m_nSelection);
1174   event.SetEventObject(this);
1175   event.SetInt(idCtrl);
1176
1177   bool processed = GetEventHandler()->ProcessEvent(event);
1178   *result = !event.IsAllowed();
1179   return processed;
1180 }
1181
1182 #endif // wxUSE_NOTEBOOK