src/html/helpwnd.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/helpwnd.cpp
   3 // Purpose:     wxHtmlHelpWindow
   4 // Notes:       Based on htmlhelp.cpp, implementing a monolithic
   5 //              HTML Help controller class,  by Vaclav Slavik
   6 // Author:      Harm van der Heijden and Vaclav Slavik
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden and Vaclav Slavik
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h"
  13
  14 #include "wx/wxprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #if wxUSE_WXHTML_HELP
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/object.h"
  24     #include "wx/dynarray.h"
  25     #include "wx/intl.h"
  26     #include "wx/log.h"
  27     #if wxUSE_STREAMS
  28         #include "wx/stream.h"
  29     #endif
  30
  31     #include "wx/sizer.h"
  32
  33     #include "wx/bmpbuttn.h"
  34     #include "wx/statbox.h"
  35     #include "wx/radiobox.h"
  36     #include "wx/menu.h"
  37     #include "wx/settings.h"
  38     #include "wx/msgdlg.h"
  39     #include "wx/textctrl.h"
  40     #include "wx/toolbar.h"
  41     #include "wx/choicdlg.h"
  42     #include "wx/filedlg.h"
  43 #endif // WX_PRECOMP
  44
  45 #include "wx/html/helpfrm.h"
  46 #include "wx/html/helpdlg.h"
  47 #include "wx/html/helpctrl.h"
  48 #include "wx/notebook.h"
  49 #include "wx/imaglist.h"
  50 #include "wx/treectrl.h"
  51 #include "wx/tokenzr.h"
  52 #include "wx/wfstream.h"
  53 #include "wx/html/htmlwin.h"
  54 #include "wx/busyinfo.h"
  55 #include "wx/progdlg.h"
  56 #include "wx/fontenum.h"
  57 #include "wx/artprov.h"
  58 #include "wx/spinctrl.h"
  59
  60 // what is considered "small index"?
  61 #define INDEX_IS_SMALL 100
  62
  63 /* Motif defines this as a macro */
  64 #ifdef Below
  65 #undef Below
  66 #endif
  67
  68 //--------------------------------------------------------------------------
  69 // wxHtmlHelpTreeItemData (private)
  70 //--------------------------------------------------------------------------
  71
  72 class wxHtmlHelpTreeItemData : public wxTreeItemData
  73 {
  74     public:
  75 #if defined(__VISAGECPP__)
  76 //  VA needs a default ctor for some reason....
  77         wxHtmlHelpTreeItemData() : wxTreeItemData()
  78             { m_Id = 0; }
  79 #endif
  80         wxHtmlHelpTreeItemData(int id) : wxTreeItemData()
  81             { m_Id = id;}
  82
  83         int m_Id;
  84 };
  85
  86
  87 //--------------------------------------------------------------------------
  88 // wxHtmlHelpHashData (private)
  89 //--------------------------------------------------------------------------
  90
  91 class wxHtmlHelpHashData : public wxObject
  92 {
  93     public:
  94         wxHtmlHelpHashData(int index, wxTreeItemId id) : wxObject()
  95             { m_Index = index; m_Id = id;}
  96         virtual ~wxHtmlHelpHashData() {}
  97
  98         int m_Index;
  99         wxTreeItemId m_Id;
 100 };
 101
 102
 103 //--------------------------------------------------------------------------
 104 // wxHtmlHelpHtmlWindow (private)
 105 //--------------------------------------------------------------------------
 106
 107
 108 class wxHtmlHelpHtmlWindow : public wxHtmlWindow
 109 {
 110 public:
 111     wxHtmlHelpHtmlWindow(wxHtmlHelpWindow *win, wxWindow *parent, wxWindowID id = wxID_ANY,
 112                          const wxPoint& pos = wxDefaultPosition, const wxSize& sz = wxDefaultSize, long style = wxHW_DEFAULT_STYLE)
 113         : wxHtmlWindow(parent, id, pos, sz, style), m_Window(win)
 114     {
 115         SetStandardFonts();
 116     }
 117
 118     void OnLink(wxHtmlLinkEvent& ev)
 119     {
 120         const wxMouseEvent *e = ev.GetLinkInfo().GetEvent();
 121         if (e == NULL || e->LeftUp())
 122             m_Window->NotifyPageChanged();
 123
 124         // skip the event so that normal processing (i.e. following the link)
 125         // is done:
 126         ev.Skip();
 127     }
 128
 129     // Returns full location with anchor (helper)
 130     static wxString GetOpenedPageWithAnchor(wxHtmlWindow *win)
 131     {
 132         if(!win)
 133             return wxEmptyString;
 134
 135         wxString an = win->GetOpenedAnchor();
 136         wxString pg = win->GetOpenedPage();
 137         if(!an.empty())
 138         {
 139             pg << wxT("#") << an;
 140         }
 141         return pg;
 142     }
 143
 144 private:
 145     wxHtmlHelpWindow *m_Window;
 146
 147     wxDECLARE_NO_COPY_CLASS(wxHtmlHelpHtmlWindow);
 148     DECLARE_EVENT_TABLE()
 149 };
 150
 151 BEGIN_EVENT_TABLE(wxHtmlHelpHtmlWindow, wxHtmlWindow)
 152     EVT_HTML_LINK_CLICKED(wxID_ANY, wxHtmlHelpHtmlWindow::OnLink)
 153 END_EVENT_TABLE()
 154
 155
 156 //---------------------------------------------------------------------------
 157 // wxHtmlHelpWindow::m_mergedIndex
 158 //---------------------------------------------------------------------------
 159
 160 WX_DEFINE_ARRAY_PTR(const wxHtmlHelpDataItem*, wxHtmlHelpDataItemPtrArray);
 161
 162 struct wxHtmlHelpMergedIndexItem
 163 {
 164     wxHtmlHelpMergedIndexItem *parent;
 165     wxString                   name;
 166     wxHtmlHelpDataItemPtrArray items;
 167 };
 168
 169 WX_DECLARE_OBJARRAY(wxHtmlHelpMergedIndexItem, wxHtmlHelpMergedIndex);
 170 #include "wx/arrimpl.cpp"
 171 WX_DEFINE_OBJARRAY(wxHtmlHelpMergedIndex)
 172
 173 void wxHtmlHelpWindow::UpdateMergedIndex()
 174 {
 175     delete m_mergedIndex;
 176     m_mergedIndex = new wxHtmlHelpMergedIndex;
 177     wxHtmlHelpMergedIndex& merged = *m_mergedIndex;
 178
 179     const wxHtmlHelpDataItems& items = m_Data->GetIndexArray();
 180     size_t len = items.size();
 181
 182     wxHtmlHelpMergedIndexItem *history[128] = {NULL};
 183
 184     for (size_t i = 0; i < len; i++)
 185     {
 186         const wxHtmlHelpDataItem& item = items[i];
 187         wxASSERT_MSG( item.level < 128, _T("nested index entries too deep") );
 188
 189         if (history[item.level] &&
 190             history[item.level]->items[0]->name == item.name)
 191         {
 192             // same index entry as previous one, update list of items
 193             history[item.level]->items.Add(&item);
 194         }
 195         else
 196         {
 197             // new index entry
 198             wxHtmlHelpMergedIndexItem *mi = new wxHtmlHelpMergedIndexItem();
 199             mi->name = item.GetIndentedName();
 200             mi->items.Add(&item);
 201             mi->parent = (item.level == 0) ? NULL : history[item.level - 1];
 202             history[item.level] = mi;
 203             merged.Add(mi);
 204         }
 205     }
 206 }
 207
 208 //---------------------------------------------------------------------------
 209 // wxHtmlHelpWindow
 210 //---------------------------------------------------------------------------
 211
 212 IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpWindow, wxWindow)
 213
 214 BEGIN_EVENT_TABLE(wxHtmlHelpWindow, wxWindow)
 215     EVT_TOOL_RANGE(wxID_HTML_PANEL, wxID_HTML_OPTIONS, wxHtmlHelpWindow::OnToolbar)
 216     EVT_BUTTON(wxID_HTML_BOOKMARKSREMOVE, wxHtmlHelpWindow::OnToolbar)
 217     EVT_BUTTON(wxID_HTML_BOOKMARKSADD, wxHtmlHelpWindow::OnToolbar)
 218     EVT_TREE_SEL_CHANGED(wxID_HTML_TREECTRL, wxHtmlHelpWindow::OnContentsSel)
 219     EVT_LISTBOX(wxID_HTML_INDEXLIST, wxHtmlHelpWindow::OnIndexSel)
 220     EVT_LISTBOX(wxID_HTML_SEARCHLIST, wxHtmlHelpWindow::OnSearchSel)
 221     EVT_BUTTON(wxID_HTML_SEARCHBUTTON, wxHtmlHelpWindow::OnSearch)
 222     EVT_TEXT_ENTER(wxID_HTML_SEARCHTEXT, wxHtmlHelpWindow::OnSearch)
 223     EVT_BUTTON(wxID_HTML_INDEXBUTTON, wxHtmlHelpWindow::OnIndexFind)
 224     EVT_TEXT_ENTER(wxID_HTML_INDEXTEXT, wxHtmlHelpWindow::OnIndexFind)
 225     EVT_BUTTON(wxID_HTML_INDEXBUTTONALL, wxHtmlHelpWindow::OnIndexAll)
 226     EVT_COMBOBOX(wxID_HTML_BOOKMARKSLIST, wxHtmlHelpWindow::OnBookmarksSel)
 227     EVT_SIZE(wxHtmlHelpWindow::OnSize)
 228 END_EVENT_TABLE()
 229
 230 wxHtmlHelpWindow::wxHtmlHelpWindow(wxWindow* parent, wxWindowID id,
 231                                     const wxPoint& pos,
 232                                     const wxSize& size,
 233                                     int style, int helpStyle, wxHtmlHelpData* data)
 234 {
 235     Init(data);
 236     Create(parent, id, pos, size, style, helpStyle);
 237 }
 238
 239 void wxHtmlHelpWindow::Init(wxHtmlHelpData* data)
 240 {
 241     if (data)
 242     {
 243         m_Data = data;
 244         m_DataCreated = false;
 245     }
 246     else
 247     {
 248         m_Data = new wxHtmlHelpData();
 249         m_DataCreated = true;
 250     }
 251
 252     m_ContentsPage = 0;
 253     m_IndexPage = 0;
 254     m_SearchPage = 0;
 255
 256     m_ContentsBox = NULL;
 257     m_IndexList = NULL;
 258     m_IndexButton = NULL;
 259     m_IndexButtonAll = NULL;
 260     m_IndexText = NULL;
 261     m_SearchList = NULL;
 262     m_SearchButton = NULL;
 263     m_SearchText = NULL;
 264     m_SearchChoice = NULL;
 265     m_IndexCountInfo = NULL;
 266     m_Splitter = NULL;
 267     m_NavigPan = NULL;
 268     m_NavigNotebook = NULL;
 269     m_HtmlWin = NULL;
 270     m_Bookmarks = NULL;
 271     m_SearchCaseSensitive = NULL;
 272     m_SearchWholeWords = NULL;
 273
 274     m_mergedIndex = NULL;
 275
 276     m_Config = NULL;
 277     m_ConfigRoot = wxEmptyString;
 278
 279     m_Cfg.x = m_Cfg.y = wxDefaultCoord;
 280     m_Cfg.w = 700;
 281     m_Cfg.h = 480;
 282     m_Cfg.sashpos = 240;
 283     m_Cfg.navig_on = true;
 284
 285     m_NormalFonts = m_FixedFonts = NULL;
 286     m_NormalFace = m_FixedFace = wxEmptyString;
 287 #ifdef __WXMSW__
 288     m_FontSize = 10;
 289 #else
 290     m_FontSize = 14;
 291 #endif
 292
 293 #if wxUSE_PRINTING_ARCHITECTURE
 294     m_Printer = NULL;
 295 #endif
 296
 297     m_PagesHash = NULL;
 298     m_UpdateContents = true;
 299     m_toolBar = NULL;
 300     m_helpController = NULL;
 301 }
 302
 303 // Create: builds the GUI components.
 304 // with the style flag it's possible to toggle the toolbar, contents, index and search
 305 // controls.
 306 // m_HtmlWin will *always* be created, but it's important to realize that
 307 // m_ContentsBox, m_IndexList, m_SearchList, m_SearchButton, m_SearchText and
 308 // m_SearchButton may be NULL.
 309 // moreover, if no contents, index or searchpage is needed, m_Splitter and
 310 // m_NavigPan will be NULL too (with m_HtmlWin directly connected to the frame)
 311
 312 bool wxHtmlHelpWindow::Create(wxWindow* parent, wxWindowID id,
 313                              const wxPoint& pos, const wxSize& size,
 314                              int style, int helpStyle)
 315 {
 316     m_hfStyle = helpStyle;
 317
 318     // Do the config in two steps. We read the HtmlWindow customization after we
 319     // create the window.
 320     if (m_Config)
 321         ReadCustomization(m_Config, m_ConfigRoot);
 322
 323     wxWindow::Create(parent, id, pos, size, style, wxT("wxHtmlHelp"));
 324
 325     SetHelpText(_("Displays help as you browse the books on the left."));
 326
 327     GetPosition(&m_Cfg.x, &m_Cfg.y);
 328
 329     int notebook_page = 0;
 330
 331     // The sizer for the whole top-level window.
 332     wxSizer *topWindowSizer = new wxBoxSizer(wxVERTICAL);
 333     SetSizer(topWindowSizer);
 334     SetAutoLayout(true);
 335
 336 #if wxUSE_TOOLBAR
 337     // toolbar?
 338     if (helpStyle & (wxHF_TOOLBAR | wxHF_FLAT_TOOLBAR))
 339     {
 340         wxToolBar *toolBar = new wxToolBar(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
 341                                            wxNO_BORDER | wxTB_HORIZONTAL |
 342                                            wxTB_DOCKABLE | wxTB_NODIVIDER |
 343                                            (helpStyle & wxHF_FLAT_TOOLBAR ? wxTB_FLAT : 0));
 344         toolBar->SetMargins( 2, 2 );
 345         toolBar->SetToolBitmapSize( wxSize(22,22) );
 346         AddToolbarButtons(toolBar, helpStyle);
 347         toolBar->Realize();
 348         topWindowSizer->Add(toolBar, 0, wxEXPAND);
 349         m_toolBar = toolBar;
 350     }
 351 #endif //wxUSE_TOOLBAR
 352
 353     wxSizer *navigSizer = NULL;
 354
 355 #ifdef __WXMSW__
 356     wxBorder htmlWindowBorder = GetDefaultBorder();
 357     if (htmlWindowBorder == wxBORDER_SUNKEN)
 358         htmlWindowBorder = wxBORDER_SIMPLE;
 359 #else
 360     wxBorder htmlWindowBorder = wxBORDER_SIMPLE;
 361 #endif
 362
 363     if (helpStyle & (wxHF_CONTENTS | wxHF_INDEX | wxHF_SEARCH))
 364     {
 365         // traditional help controller; splitter window with html page on the
 366         // right and a notebook containing various pages on the left
 367         long splitterStyle = wxSP_3D;
 368         // Drawing moving sash can cause problems on wxMac
 369 #ifdef __WXMAC__
 370         splitterStyle |= wxSP_LIVE_UPDATE;
 371 #endif
 372         m_Splitter = new wxSplitterWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, splitterStyle);
 373
 374         topWindowSizer->Add(m_Splitter, 1, wxEXPAND);
 375
 376         m_HtmlWin = new wxHtmlHelpHtmlWindow(this, m_Splitter, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHW_DEFAULT_STYLE|htmlWindowBorder);
 377         m_NavigPan = new wxPanel(m_Splitter, wxID_ANY);
 378         m_NavigNotebook = new wxNotebook(m_NavigPan, wxID_HTML_NOTEBOOK,
 379                                          wxDefaultPosition, wxDefaultSize);
 380 #ifdef __WXMAC__
 381         m_NavigNotebook->SetWindowVariant(wxWINDOW_VARIANT_SMALL);
 382 #endif
 383
 384         navigSizer = new wxBoxSizer(wxVERTICAL);
 385         navigSizer->Add(m_NavigNotebook, 1, wxEXPAND);
 386
 387         m_NavigPan->SetSizer(navigSizer);
 388     }
 389     else
 390     {
 391         // only html window, no notebook with index,contents etc
 392         m_HtmlWin = new wxHtmlWindow(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHW_DEFAULT_STYLE|htmlWindowBorder);
 393         topWindowSizer->Add(m_HtmlWin, 1, wxEXPAND);
 394     }
 395
 396     if ( m_Config )
 397         m_HtmlWin->ReadCustomization(m_Config, m_ConfigRoot);
 398
 399     // contents tree panel?
 400     if ( helpStyle & wxHF_CONTENTS )
 401     {
 402         wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
 403 #ifdef __WXMAC__
 404         dummy->SetWindowVariant(wxWINDOW_VARIANT_NORMAL);
 405 #endif
 406         wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
 407
 408         topsizer->Add(0, 10);
 409
 410         dummy->SetSizer(topsizer);
 411
 412         if ( helpStyle & wxHF_BOOKMARKS )
 413         {
 414             m_Bookmarks = new wxComboBox(dummy, wxID_HTML_BOOKMARKSLIST,
 415                                          wxEmptyString,
 416                                          wxDefaultPosition, wxDefaultSize,
 417                                          0, NULL, wxCB_READONLY | wxCB_SORT);
 418             m_Bookmarks->Append(_("(bookmarks)"));
 419             for (unsigned i = 0; i < m_BookmarksNames.GetCount(); i++)
 420                 m_Bookmarks->Append(m_BookmarksNames[i]);
 421             m_Bookmarks->SetSelection(0);
 422
 423             wxBitmapButton *bmpbt1, *bmpbt2;
 424             bmpbt1 = new wxBitmapButton(dummy, wxID_HTML_BOOKMARKSADD,
 425                                  wxArtProvider::GetBitmap(wxART_ADD_BOOKMARK,
 426                                                           wxART_BUTTON));
 427             bmpbt2 = new wxBitmapButton(dummy, wxID_HTML_BOOKMARKSREMOVE,
 428                                  wxArtProvider::GetBitmap(wxART_DEL_BOOKMARK,
 429                                                           wxART_BUTTON));
 430 #if wxUSE_TOOLTIPS
 431             bmpbt1->SetToolTip(_("Add current page to bookmarks"));
 432             bmpbt2->SetToolTip(_("Remove current page from bookmarks"));
 433 #endif // wxUSE_TOOLTIPS
 434
 435             wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
 436
 437             sizer->Add(m_Bookmarks, 1, wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5);
 438             sizer->Add(bmpbt1, 0, wxALIGN_CENTRE_VERTICAL | wxRIGHT, 2);
 439             sizer->Add(bmpbt2, 0, wxALIGN_CENTRE_VERTICAL, 0);
 440
 441             topsizer->Add(sizer, 0, wxEXPAND | wxLEFT | wxBOTTOM | wxRIGHT, 10);
 442         }
 443
 444         m_ContentsBox = new wxTreeCtrl(dummy, wxID_HTML_TREECTRL,
 445                                        wxDefaultPosition, wxDefaultSize,
 446 #if defined(__WXGTK20__) || defined(__WXMAC__)
 447                                        wxSUNKEN_BORDER |
 448                                        wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT |
 449                                        wxTR_NO_LINES
 450 #else
 451                                        wxSUNKEN_BORDER |
 452                                        wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT |
 453                                        wxTR_LINES_AT_ROOT
 454 #endif
 455                                        );
 456
 457         wxImageList *ContentsImageList = new wxImageList(16, 16);
 458         ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_BOOK,
 459                                                       wxART_HELP_BROWSER,
 460                                                       wxSize(16, 16)));
 461         ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_FOLDER,
 462                                                       wxART_HELP_BROWSER,
 463                                                       wxSize(16, 16)));
 464         ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_PAGE,
 465                                                       wxART_HELP_BROWSER,
 466                                                       wxSize(16, 16)));
 467
 468         m_ContentsBox->AssignImageList(ContentsImageList);
 469
 470         topsizer->Add(m_ContentsBox, 1,
 471                       wxEXPAND | wxLEFT | wxBOTTOM | wxRIGHT,
 472                       2);
 473
 474         m_NavigNotebook->AddPage(dummy, _("Contents"));
 475         m_ContentsPage = notebook_page++;
 476     }
 477
 478     // index listbox panel?
 479     if ( helpStyle & wxHF_INDEX )
 480     {
 481         wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
 482 #ifdef __WXMAC__
 483         dummy->SetWindowVariant(wxWINDOW_VARIANT_NORMAL);
 484 #endif
 485         wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
 486
 487         dummy->SetSizer(topsizer);
 488
 489         m_IndexText = new wxTextCtrl(dummy, wxID_HTML_INDEXTEXT, wxEmptyString,
 490                                      wxDefaultPosition, wxDefaultSize,
 491                                      wxTE_PROCESS_ENTER);
 492         m_IndexButton = new wxButton(dummy, wxID_HTML_INDEXBUTTON, _("Find"));
 493         m_IndexButtonAll = new wxButton(dummy, wxID_HTML_INDEXBUTTONALL,
 494                                         _("Show all"));
 495         m_IndexCountInfo = new wxStaticText(dummy, wxID_HTML_COUNTINFO,
 496                                             wxEmptyString, wxDefaultPosition,
 497                                             wxDefaultSize,
 498                                             wxALIGN_RIGHT | wxST_NO_AUTORESIZE);
 499         m_IndexList = new wxListBox(dummy, wxID_HTML_INDEXLIST,
 500                                     wxDefaultPosition, wxDefaultSize,
 501                                     0, NULL, wxLB_SINGLE);
 502
 503 #if wxUSE_TOOLTIPS
 504         m_IndexButton->SetToolTip(_("Display all index items that contain given substring. Search is case insensitive."));
 505         m_IndexButtonAll->SetToolTip(_("Show all items in index"));
 506 #endif //wxUSE_TOOLTIPS
 507
 508         topsizer->Add(m_IndexText, 0, wxEXPAND | wxALL, 10);
 509         wxSizer *btsizer = new wxBoxSizer(wxHORIZONTAL);
 510         btsizer->Add(m_IndexButton, 0, wxRIGHT, 2);
 511         btsizer->Add(m_IndexButtonAll);
 512         topsizer->Add(btsizer, 0,
 513                       wxALIGN_RIGHT | wxLEFT | wxRIGHT | wxBOTTOM, 10);
 514         topsizer->Add(m_IndexCountInfo, 0, wxEXPAND | wxLEFT | wxRIGHT, 2);
 515         topsizer->Add(m_IndexList, 1, wxEXPAND | wxALL, 2);
 516
 517         m_NavigNotebook->AddPage(dummy, _("Index"));
 518         m_IndexPage = notebook_page++;
 519     }
 520
 521     // search list panel?
 522     if ( helpStyle & wxHF_SEARCH )
 523     {
 524         wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
 525 #ifdef __WXMAC__
 526         dummy->SetWindowVariant(wxWINDOW_VARIANT_NORMAL);
 527 #endif
 528         wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
 529
 530         dummy->SetSizer(sizer);
 531
 532         m_SearchText = new wxTextCtrl(dummy, wxID_HTML_SEARCHTEXT,
 533                                       wxEmptyString,
 534                                       wxDefaultPosition, wxDefaultSize,
 535                                       wxTE_PROCESS_ENTER);
 536         m_SearchChoice = new wxChoice(dummy, wxID_HTML_SEARCHCHOICE,
 537                                       wxDefaultPosition, wxSize(125,wxDefaultCoord));
 538         m_SearchCaseSensitive = new wxCheckBox(dummy, wxID_ANY, _("Case sensitive"));
 539         m_SearchWholeWords = new wxCheckBox(dummy, wxID_ANY, _("Whole words only"));
 540         m_SearchButton = new wxButton(dummy, wxID_HTML_SEARCHBUTTON, _("Search"));
 541 #if wxUSE_TOOLTIPS
 542         m_SearchButton->SetToolTip(_("Search contents of help book(s) for all occurrences of the text you typed above"));
 543 #endif //wxUSE_TOOLTIPS
 544         m_SearchList = new wxListBox(dummy, wxID_HTML_SEARCHLIST,
 545                                      wxDefaultPosition, wxDefaultSize,
 546                                      0, NULL, wxLB_SINGLE);
 547
 548         sizer->Add(m_SearchText, 0, wxEXPAND | wxALL, 10);
 549         sizer->Add(m_SearchChoice, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 10);
 550         sizer->Add(m_SearchCaseSensitive, 0, wxLEFT | wxRIGHT, 10);
 551         sizer->Add(m_SearchWholeWords, 0, wxLEFT | wxRIGHT, 10);
 552         sizer->Add(m_SearchButton, 0, wxALL | wxALIGN_RIGHT, 8);
 553         sizer->Add(m_SearchList, 1, wxALL | wxEXPAND, 2);
 554
 555         m_NavigNotebook->AddPage(dummy, _("Search"));
 556         m_SearchPage = notebook_page;
 557     }
 558
 559     m_HtmlWin->Show();
 560
 561     RefreshLists();
 562
 563     if ( navigSizer )
 564     {
 565         navigSizer->SetSizeHints(m_NavigPan);
 566         m_NavigPan->Layout();
 567     }
 568
 569     // showtime
 570     if ( m_NavigPan && m_Splitter )
 571     {
 572         // The panel will have its own min size which the splitter
 573         // should respect
 574         //if (m_NavigPan)
 575         //    m_Splitter->SetMinimumPaneSize(m_NavigPan->GetBestSize().x);
 576         //else
 577         m_Splitter->SetMinimumPaneSize(20);
 578
 579         if ( m_Cfg.navig_on )
 580         {
 581             m_NavigPan->Show();
 582             m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
 583         }
 584         else
 585         {
 586             m_NavigPan->Show(false);
 587             m_Splitter->Initialize(m_HtmlWin);
 588         }
 589     }
 590
 591     // Reduce flicker by updating the splitter pane sizes before the
 592     // frame is shown
 593     wxSizeEvent sizeEvent(GetSize(), GetId());
 594     GetEventHandler()->ProcessEvent(sizeEvent);
 595
 596     if (m_Splitter)
 597         m_Splitter->UpdateSize();
 598
 599     return true;
 600 }
 601
 602 wxHtmlHelpWindow::~wxHtmlHelpWindow()
 603 {
 604     if ( m_helpController )
 605         m_helpController->SetHelpWindow(NULL);
 606
 607     delete m_mergedIndex;
 608
 609     // PopEventHandler(); // wxhtmlhelpcontroller (not any more!)
 610     if (m_DataCreated)
 611         delete m_Data;
 612     if (m_NormalFonts) delete m_NormalFonts;
 613     if (m_FixedFonts) delete m_FixedFonts;
 614     if (m_PagesHash)
 615     {
 616         WX_CLEAR_HASH_TABLE(*m_PagesHash);
 617         delete m_PagesHash;
 618     }
 619 #if wxUSE_PRINTING_ARCHITECTURE
 620     if (m_Printer) delete m_Printer;
 621 #endif
 622 }
 623
 624 void wxHtmlHelpWindow::SetController(wxHtmlHelpController* controller)
 625 {
 626     if (m_DataCreated)
 627         delete m_Data;
 628     m_helpController = controller;
 629     m_Data = controller->GetHelpData();
 630     m_DataCreated = false;
 631 }
 632
 633 #if wxUSE_TOOLBAR
 634 void wxHtmlHelpWindow::AddToolbarButtons(wxToolBar *toolBar, int style)
 635 {
 636     wxBitmap wpanelBitmap =
 637         wxArtProvider::GetBitmap(wxART_HELP_SIDE_PANEL, wxART_TOOLBAR);
 638     wxBitmap wbackBitmap =
 639         wxArtProvider::GetBitmap(wxART_GO_BACK, wxART_TOOLBAR);
 640     wxBitmap wforwardBitmap =
 641         wxArtProvider::GetBitmap(wxART_GO_FORWARD, wxART_TOOLBAR);
 642     wxBitmap wupnodeBitmap =
 643         wxArtProvider::GetBitmap(wxART_GO_TO_PARENT, wxART_TOOLBAR);
 644     wxBitmap wupBitmap =
 645         wxArtProvider::GetBitmap(wxART_GO_UP, wxART_TOOLBAR);
 646     wxBitmap wdownBitmap =
 647         wxArtProvider::GetBitmap(wxART_GO_DOWN, wxART_TOOLBAR);
 648     wxBitmap wopenBitmap =
 649         wxArtProvider::GetBitmap(wxART_FILE_OPEN, wxART_TOOLBAR);
 650     wxBitmap wprintBitmap =
 651         wxArtProvider::GetBitmap(wxART_PRINT, wxART_TOOLBAR);
 652     wxBitmap woptionsBitmap =
 653         wxArtProvider::GetBitmap(wxART_HELP_SETTINGS, wxART_TOOLBAR);
 654
 655     wxASSERT_MSG( (wpanelBitmap.Ok() && wbackBitmap.Ok() &&
 656                    wforwardBitmap.Ok() && wupnodeBitmap.Ok() &&
 657                    wupBitmap.Ok() && wdownBitmap.Ok() &&
 658                    wopenBitmap.Ok() && wprintBitmap.Ok() &&
 659                    woptionsBitmap.Ok()),
 660                   wxT("One or more HTML help frame toolbar bitmap could not be loaded.")) ;
 661
 662
 663     toolBar->AddTool(wxID_HTML_PANEL, wxEmptyString, wpanelBitmap, _("Show/hide navigation panel"));
 664     toolBar->AddSeparator();
 665     toolBar->AddTool(wxID_HTML_BACK, wxEmptyString, wbackBitmap, _("Go back"));
 666     toolBar->AddTool(wxID_HTML_FORWARD, wxEmptyString, wforwardBitmap, _("Go forward"));
 667     toolBar->AddSeparator();
 668     toolBar->AddTool(wxID_HTML_UPNODE, wxEmptyString, wupnodeBitmap, _("Go one level up in document hierarchy"));
 669     toolBar->AddTool(wxID_HTML_UP, wxEmptyString, wupBitmap, _("Previous page"));
 670     toolBar->AddTool(wxID_HTML_DOWN, wxEmptyString, wdownBitmap, _("Next page"));
 671
 672     if ((style & wxHF_PRINT) || (style & wxHF_OPEN_FILES))
 673         toolBar->AddSeparator();
 674
 675     if (style & wxHF_OPEN_FILES)
 676         toolBar->AddTool(wxID_HTML_OPENFILE, wxEmptyString, wopenBitmap, _("Open HTML document"));
 677
 678 #if wxUSE_PRINTING_ARCHITECTURE
 679     if (style & wxHF_PRINT)
 680         toolBar->AddTool(wxID_HTML_PRINT, wxEmptyString, wprintBitmap, _("Print this page"));
 681 #endif
 682
 683     toolBar->AddSeparator();
 684     toolBar->AddTool(wxID_HTML_OPTIONS, wxEmptyString, woptionsBitmap, _("Display options dialog"));
 685
 686     // Allow application to add custom buttons
 687     wxHtmlHelpFrame* parentFrame = wxDynamicCast(GetParent(), wxHtmlHelpFrame);
 688     wxHtmlHelpDialog* parentDialog = wxDynamicCast(GetParent(), wxHtmlHelpDialog);
 689     if (parentFrame)
 690         parentFrame->AddToolbarButtons(toolBar, style);
 691     if (parentDialog)
 692         parentDialog->AddToolbarButtons(toolBar, style);
 693 }
 694 #endif //wxUSE_TOOLBAR
 695
 696
 697 bool wxHtmlHelpWindow::Display(const wxString& x)
 698 {
 699     wxString url = m_Data->FindPageByName(x);
 700     if (!url.empty())
 701     {
 702         m_HtmlWin->LoadPage(url);
 703         NotifyPageChanged();
 704         return true;
 705     }
 706
 707     return false;
 708 }
 709
 710 bool wxHtmlHelpWindow::Display(const int id)
 711 {
 712     wxString url = m_Data->FindPageById(id);
 713     if (!url.empty())
 714     {
 715         m_HtmlWin->LoadPage(url);
 716         NotifyPageChanged();
 717         return true;
 718     }
 719
 720     return false;
 721 }
 722
 723 bool wxHtmlHelpWindow::DisplayContents()
 724 {
 725     if (! m_ContentsBox)
 726         return false;
 727
 728     if (!m_Splitter->IsSplit())
 729     {
 730         m_NavigPan->Show();
 731         m_HtmlWin->Show();
 732         m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
 733         m_Cfg.navig_on = true;
 734     }
 735
 736     m_NavigNotebook->SetSelection(m_ContentsPage);
 737
 738     if (m_Data->GetBookRecArray().GetCount() > 0)
 739     {
 740         wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
 741         if (!book.GetStart().empty())
 742             m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
 743     }
 744
 745     return true;
 746 }
 747
 748 bool wxHtmlHelpWindow::DisplayIndex()
 749 {
 750     if (! m_IndexList)
 751         return false;
 752
 753     if (!m_Splitter->IsSplit())
 754     {
 755         m_NavigPan->Show();
 756         m_HtmlWin->Show();
 757         m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
 758     }
 759
 760     m_NavigNotebook->SetSelection(m_IndexPage);
 761
 762     if (m_Data->GetBookRecArray().GetCount() > 0)
 763     {
 764         wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
 765         if (!book.GetStart().empty())
 766             m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
 767     }
 768
 769     return true;
 770 }
 771
 772 void wxHtmlHelpWindow::DisplayIndexItem(const wxHtmlHelpMergedIndexItem *it)
 773 {
 774     if (it->items.size() == 1)
 775     {
 776         if (!it->items[0]->page.empty())
 777         {
 778             m_HtmlWin->LoadPage(it->items[0]->GetFullPath());
 779             NotifyPageChanged();
 780         }
 781     }
 782     else
 783     {
 784         wxBusyCursor busy_cursor;
 785
 786         // more pages associated with this index item -- let the user choose
 787         // which one she/he wants from a list:
 788         wxArrayString arr;
 789         size_t len = it->items.size();
 790         for (size_t i = 0; i < len; i++)
 791         {
 792             wxString page = it->items[i]->page;
 793             // try to find page's title in contents:
 794             const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
 795             size_t clen = contents.size();
 796             for (size_t j = 0; j < clen; j++)
 797             {
 798                 if (contents[j].page == page)
 799                 {
 800                     page = contents[j].name;
 801                     break;
 802                 }
 803             }
 804             arr.push_back(page);
 805         }
 806
 807         wxSingleChoiceDialog dlg(this,
 808                                  _("Please choose the page to display:"),
 809                                  _("Help Topics"),
 810                                  arr, NULL, wxCHOICEDLG_STYLE & ~wxCENTRE);
 811         if (dlg.ShowModal() == wxID_OK)
 812         {
 813             m_HtmlWin->LoadPage(it->items[dlg.GetSelection()]->GetFullPath());
 814             NotifyPageChanged();
 815         }
 816     }
 817 }
 818
 819 bool wxHtmlHelpWindow::KeywordSearch(const wxString& keyword,
 820                                     wxHelpSearchMode mode)
 821 {
 822     wxCHECK_MSG( !keyword.empty(), false, "must have a non empty keyword" );
 823
 824     if (mode == wxHELP_SEARCH_ALL)
 825     {
 826         if ( !(m_SearchList &&
 827                m_SearchButton && m_SearchText && m_SearchChoice) )
 828             return false;
 829     }
 830     else if (mode == wxHELP_SEARCH_INDEX)
 831     {
 832         if ( !(m_IndexList &&
 833                m_IndexButton && m_IndexButtonAll && m_IndexText) )
 834             return false;
 835     }
 836
 837     int foundcnt = 0;
 838     wxString foundstr;
 839     wxString book = wxEmptyString;
 840
 841     if (!m_Splitter->IsSplit())
 842     {
 843         m_NavigPan->Show();
 844         m_HtmlWin->Show();
 845         m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
 846     }
 847
 848     if (mode == wxHELP_SEARCH_ALL)
 849     {
 850         m_NavigNotebook->SetSelection(m_SearchPage);
 851         m_SearchList->Clear();
 852         m_SearchText->SetValue(keyword);
 853         m_SearchButton->Disable();
 854
 855         if (m_SearchChoice->GetSelection() != 0)
 856             book = m_SearchChoice->GetStringSelection();
 857
 858         wxHtmlSearchStatus status(m_Data, keyword,
 859                                   m_SearchCaseSensitive->GetValue(),
 860                                   m_SearchWholeWords->GetValue(),
 861                                   book);
 862
 863 #if wxUSE_PROGRESSDLG
 864         wxProgressDialog progress(_("Searching..."),
 865                                   _("No matching page found yet"),
 866                                   status.GetMaxIndex(), this,
 867                                   wxPD_APP_MODAL | wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
 868 #endif
 869
 870         int curi;
 871         while (status.IsActive())
 872         {
 873             curi = status.GetCurIndex();
 874             if (curi % 32 == 0
 875 #if wxUSE_PROGRESSDLG
 876                 && !progress.Update(curi)
 877 #endif
 878                )
 879                 break;
 880             if (status.Search())
 881             {
 882                 foundstr.Printf(_("Found %i matches"), ++foundcnt);
 883 #if wxUSE_PROGRESSDLG
 884                 progress.Update(status.GetCurIndex(), foundstr);
 885 #endif
 886                 m_SearchList->Append(status.GetName(), (void*)status.GetCurItem());
 887             }
 888         }
 889
 890         m_SearchButton->Enable();
 891         m_SearchText->SetSelection(0, keyword.length());
 892         m_SearchText->SetFocus();
 893     }
 894     else if (mode == wxHELP_SEARCH_INDEX)
 895     {
 896         m_NavigNotebook->SetSelection(m_IndexPage);
 897         m_IndexList->Clear();
 898         m_IndexButton->Disable();
 899         m_IndexButtonAll->Disable();
 900         m_IndexText->SetValue(keyword);
 901
 902         DoIndexFind();
 903         m_IndexButton->Enable();
 904         m_IndexButtonAll->Enable();
 905         foundcnt = m_IndexList->GetCount();
 906     }
 907
 908     if (foundcnt)
 909     {
 910         switch ( mode )
 911         {
 912             default:
 913                 wxFAIL_MSG( _T("unknown help search mode") );
 914                 // fall back
 915
 916             case wxHELP_SEARCH_ALL:
 917             {
 918                 wxHtmlHelpDataItem *it =
 919                     (wxHtmlHelpDataItem*) m_SearchList->GetClientData(0);
 920                 if (it)
 921                 {
 922                     m_HtmlWin->LoadPage(it->GetFullPath());
 923                     NotifyPageChanged();
 924                 }
 925                 break;
 926             }
 927
 928             case wxHELP_SEARCH_INDEX:
 929             {
 930                 wxHtmlHelpMergedIndexItem* it =
 931                     (wxHtmlHelpMergedIndexItem*) m_IndexList->GetClientData(0);
 932                 if (it)
 933                     DisplayIndexItem(it);
 934                 break;
 935             }
 936         }
 937
 938     }
 939
 940     return foundcnt > 0;
 941 }
 942
 943 void wxHtmlHelpWindow::CreateContents()
 944 {
 945     if (! m_ContentsBox)
 946         return ;
 947
 948     if (m_PagesHash)
 949     {
 950         WX_CLEAR_HASH_TABLE(*m_PagesHash);
 951         delete m_PagesHash;
 952     }
 953
 954     const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
 955
 956     size_t cnt = contents.size();
 957
 958     m_PagesHash = new wxHashTable(wxKEY_STRING, 2 * cnt);
 959
 960     const int MAX_ROOTS = 64;
 961     wxTreeItemId roots[MAX_ROOTS];
 962     // VS: this array holds information about whether we've set item icon at
 963     //     given level. This is necessary because m_Data has a flat structure
 964     //     and there's no way of recognizing if some item has subitems or not.
 965     //     We set the icon later: when we find an item with level=n, we know
 966     //     that the last item with level=n-1 was afolder with subitems, so we
 967     //     set its icon accordingly
 968     bool imaged[MAX_ROOTS];
 969     m_ContentsBox->DeleteAllItems();
 970
 971     roots[0] = m_ContentsBox->AddRoot(_("(Help)"));
 972     imaged[0] = true;
 973
 974     for (size_t i = 0; i < cnt; i++)
 975     {
 976         wxHtmlHelpDataItem *it = &contents[i];
 977         // Handle books:
 978         if (it->level == 0)
 979         {
 980             if (m_hfStyle & wxHF_MERGE_BOOKS)
 981                 // VS: we don't want book nodes, books' content should
 982                 //    appear under tree's root. This line will create a "fake"
 983                 //    record about book node so that the rest of this look
 984                 //    will believe there really _is_ a book node and will
 985                 //    behave correctly.
 986                 roots[1] = roots[0];
 987             else
 988             {
 989                 roots[1] = m_ContentsBox->AppendItem(roots[0],
 990                                          it->name, IMG_Book, -1,
 991                                          new wxHtmlHelpTreeItemData(i));
 992                 m_ContentsBox->SetItemBold(roots[1], true);
 993             }
 994             imaged[1] = true;
 995         }
 996         // ...and their contents:
 997         else
 998         {
 999             roots[it->level + 1] = m_ContentsBox->AppendItem(
1000                                      roots[it->level], it->name, IMG_Page,
1001                                      -1, new wxHtmlHelpTreeItemData(i));
1002             imaged[it->level + 1] = false;
1003         }
1004
1005         m_PagesHash->Put(it->GetFullPath(),
1006                          new wxHtmlHelpHashData(i, roots[it->level + 1]));
1007
1008         // Set the icon for the node one level up in the hierarchy,
1009         // unless already done (see comment above imaged[] declaration)
1010         if (!imaged[it->level])
1011         {
1012             int image = IMG_Folder;
1013             if (m_hfStyle & wxHF_ICONS_BOOK)
1014                 image = IMG_Book;
1015             else if (m_hfStyle & wxHF_ICONS_BOOK_CHAPTER)
1016                 image = (it->level == 1) ? IMG_Book : IMG_Folder;
1017             m_ContentsBox->SetItemImage(roots[it->level], image);
1018             m_ContentsBox->SetItemImage(roots[it->level], image,
1019                                         wxTreeItemIcon_Selected);
1020             imaged[it->level] = true;
1021         }
1022     }
1023 }
1024
1025 void wxHtmlHelpWindow::CreateIndex()
1026 {
1027     if (! m_IndexList)
1028         return ;
1029
1030     m_IndexList->Clear();
1031
1032     size_t cnt = m_mergedIndex->size();
1033
1034     wxString cnttext;
1035     if (cnt > INDEX_IS_SMALL)
1036         cnttext.Printf(_("%i of %i"), 0, cnt);
1037     else
1038         cnttext.Printf(_("%i of %i"), cnt, cnt);
1039     m_IndexCountInfo->SetLabel(cnttext);
1040     if (cnt > INDEX_IS_SMALL)
1041         return;
1042
1043     for (size_t i = 0; i < cnt; i++)
1044         m_IndexList->Append((*m_mergedIndex)[i].name,
1045                             (char*)(&(*m_mergedIndex)[i]));
1046 }
1047
1048 void wxHtmlHelpWindow::CreateSearch()
1049 {
1050     if (! (m_SearchList && m_SearchChoice))
1051         return ;
1052     m_SearchList->Clear();
1053     m_SearchChoice->Clear();
1054     m_SearchChoice->Append(_("Search in all books"));
1055     const wxHtmlBookRecArray& bookrec = m_Data->GetBookRecArray();
1056     int i, cnt = bookrec.GetCount();
1057     for (i = 0; i < cnt; i++)
1058         m_SearchChoice->Append(bookrec[i].GetTitle());
1059     m_SearchChoice->SetSelection(0);
1060 }
1061
1062 void wxHtmlHelpWindow::RefreshLists()
1063 {
1064     // Update m_mergedIndex:
1065     UpdateMergedIndex();
1066     // Update the controls
1067     CreateContents();
1068     CreateIndex();
1069     CreateSearch();
1070 }
1071
1072 void wxHtmlHelpWindow::ReadCustomization(wxConfigBase *cfg, const wxString& path)
1073 {
1074     wxString oldpath;
1075     wxString tmp;
1076
1077     if (path != wxEmptyString)
1078     {
1079         oldpath = cfg->GetPath();
1080         cfg->SetPath(_T("/") + path);
1081     }
1082
1083     m_Cfg.navig_on = cfg->Read(wxT("hcNavigPanel"), m_Cfg.navig_on) != 0;
1084     m_Cfg.sashpos = cfg->Read(wxT("hcSashPos"), m_Cfg.sashpos);
1085     m_Cfg.x = cfg->Read(wxT("hcX"), m_Cfg.x);
1086     m_Cfg.y = cfg->Read(wxT("hcY"), m_Cfg.y);
1087     m_Cfg.w = cfg->Read(wxT("hcW"), m_Cfg.w);
1088     m_Cfg.h = cfg->Read(wxT("hcH"), m_Cfg.h);
1089
1090     m_FixedFace = cfg->Read(wxT("hcFixedFace"), m_FixedFace);
1091     m_NormalFace = cfg->Read(wxT("hcNormalFace"), m_NormalFace);
1092     m_FontSize = cfg->Read(wxT("hcBaseFontSize"), m_FontSize);
1093
1094     {
1095         int i;
1096         int cnt;
1097         wxString val, s;
1098
1099         cnt = cfg->Read(wxT("hcBookmarksCnt"), 0L);
1100         if (cnt != 0)
1101         {
1102             m_BookmarksNames.Clear();
1103             m_BookmarksPages.Clear();
1104             if (m_Bookmarks)
1105             {
1106                 m_Bookmarks->Clear();
1107                 m_Bookmarks->Append(_("(bookmarks)"));
1108             }
1109
1110             for (i = 0; i < cnt; i++)
1111             {
1112                 val.Printf(wxT("hcBookmark_%i"), i);
1113                 s = cfg->Read(val);
1114                 m_BookmarksNames.Add(s);
1115                 if (m_Bookmarks) m_Bookmarks->Append(s);
1116                 val.Printf(wxT("hcBookmark_%i_url"), i);
1117                 s = cfg->Read(val);
1118                 m_BookmarksPages.Add(s);
1119             }
1120         }
1121     }
1122
1123     if (m_HtmlWin)
1124         m_HtmlWin->ReadCustomization(cfg);
1125
1126     if (path != wxEmptyString)
1127         cfg->SetPath(oldpath);
1128 }
1129
1130 void wxHtmlHelpWindow::WriteCustomization(wxConfigBase *cfg, const wxString& path)
1131 {
1132     wxString oldpath;
1133     wxString tmp;
1134
1135     if (path != wxEmptyString)
1136     {
1137         oldpath = cfg->GetPath();
1138         cfg->SetPath(_T("/") + path);
1139     }
1140
1141     cfg->Write(wxT("hcNavigPanel"), m_Cfg.navig_on);
1142     cfg->Write(wxT("hcSashPos"), (long)m_Cfg.sashpos);
1143
1144     //  Don't write if iconized as this would make the window
1145     //  disappear next time it is shown!
1146     cfg->Write(wxT("hcX"), (long)m_Cfg.x);
1147     cfg->Write(wxT("hcY"), (long)m_Cfg.y);
1148     cfg->Write(wxT("hcW"), (long)m_Cfg.w);
1149     cfg->Write(wxT("hcH"), (long)m_Cfg.h);
1150
1151     cfg->Write(wxT("hcFixedFace"), m_FixedFace);
1152     cfg->Write(wxT("hcNormalFace"), m_NormalFace);
1153     cfg->Write(wxT("hcBaseFontSize"), (long)m_FontSize);
1154
1155     if (m_Bookmarks)
1156     {
1157         int i;
1158         int cnt = m_BookmarksNames.GetCount();
1159         wxString val;
1160
1161         cfg->Write(wxT("hcBookmarksCnt"), (long)cnt);
1162         for (i = 0; i < cnt; i++)
1163         {
1164             val.Printf(wxT("hcBookmark_%i"), i);
1165             cfg->Write(val, m_BookmarksNames[i]);
1166             val.Printf(wxT("hcBookmark_%i_url"), i);
1167             cfg->Write(val, m_BookmarksPages[i]);
1168         }
1169     }
1170
1171     if (m_HtmlWin)
1172         m_HtmlWin->WriteCustomization(cfg);
1173
1174     if (path != wxEmptyString)
1175         cfg->SetPath(oldpath);
1176 }
1177
1178 static void SetFontsToHtmlWin(wxHtmlWindow *win, const wxString& scalf, const wxString& fixf, int size)
1179 {
1180     int f_sizes[7];
1181     f_sizes[0] = int(size * 0.6);
1182     f_sizes[1] = int(size * 0.8);
1183     f_sizes[2] = size;
1184     f_sizes[3] = int(size * 1.2);
1185     f_sizes[4] = int(size * 1.4);
1186     f_sizes[5] = int(size * 1.6);
1187     f_sizes[6] = int(size * 1.8);
1188
1189     win->SetFonts(scalf, fixf, f_sizes);
1190 }
1191
1192 class wxHtmlHelpWindowOptionsDialog : public wxDialog
1193 {
1194 public:
1195     wxComboBox *NormalFont, *FixedFont;
1196     wxSpinCtrl *FontSize;
1197     wxHtmlWindow *TestWin;
1198
1199     wxHtmlHelpWindowOptionsDialog(wxWindow *parent)
1200         : wxDialog(parent, wxID_ANY, wxString(_("Help Browser Options")))
1201     {
1202         wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
1203         wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 3, 2, 5);
1204
1205         sizer->Add(new wxStaticText(this, wxID_ANY, _("Normal font:")));
1206         sizer->Add(new wxStaticText(this, wxID_ANY, _("Fixed font:")));
1207         sizer->Add(new wxStaticText(this, wxID_ANY, _("Font size:")));
1208
1209         sizer->Add(NormalFont = new wxComboBox(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
1210                       wxSize(200, wxDefaultCoord),
1211                       0, NULL, wxCB_DROPDOWN | wxCB_READONLY));
1212
1213         sizer->Add(FixedFont = new wxComboBox(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
1214                       wxSize(200, wxDefaultCoord),
1215                       0, NULL, wxCB_DROPDOWN | wxCB_READONLY));
1216
1217         sizer->Add(FontSize = new wxSpinCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
1218                       wxDefaultSize, wxSP_ARROW_KEYS, 2, 100, 2, _T("wxSpinCtrl")));
1219
1220         topsizer->Add(sizer, 0, wxLEFT|wxRIGHT|wxTOP, 10);
1221
1222         topsizer->Add(new wxStaticText(this, wxID_ANY, _("Preview:")),
1223                         0, wxLEFT | wxTOP, 10);
1224
1225         topsizer->AddSpacer(5);
1226
1227         topsizer->Add(TestWin = new wxHtmlWindow(this, wxID_ANY, wxDefaultPosition, wxSize(20, 150),
1228                                                  wxHW_SCROLLBAR_AUTO|wxBORDER_THEME),
1229                         1, wxEXPAND | wxLEFT | wxRIGHT, 10);
1230
1231         wxBoxSizer *sizer2 = new wxBoxSizer(wxHORIZONTAL);
1232         wxButton *ok;
1233         sizer2->Add(ok = new wxButton(this, wxID_OK), 0, wxALL, 10);
1234         ok->SetDefault();
1235         sizer2->Add(new wxButton(this, wxID_CANCEL), 0, wxALL, 10);
1236         topsizer->Add(sizer2, 0, wxALIGN_RIGHT);
1237
1238         SetSizer(topsizer);
1239         topsizer->Fit(this);
1240         Centre(wxBOTH);
1241     }
1242
1243
1244     void UpdateTestWin()
1245     {
1246         wxBusyCursor bcur;
1247         SetFontsToHtmlWin(TestWin,
1248                           NormalFont->GetStringSelection(),
1249                           FixedFont->GetStringSelection(),
1250                           FontSize->GetValue());
1251
1252         wxString content(_("font size"));
1253
1254         content = _T("<font size=-2>") + content + _T(" -2</font><br>")
1255                   _T("<font size=-1>") + content + _T(" -1</font><br>")
1256                   _T("<font size=+0>") + content + _T(" +0</font><br>")
1257                   _T("<font size=+1>") + content + _T(" +1</font><br>")
1258                   _T("<font size=+2>") + content + _T(" +2</font><br>")
1259                   _T("<font size=+3>") + content + _T(" +3</font><br>")
1260                   _T("<font size=+4>") + content + _T(" +4</font><br>") ;
1261
1262         content = wxString( _T("<html><body><table><tr><td>") ) +
1263                   _("Normal face<br>and <u>underlined</u>. ") +
1264                   _("<i>Italic face.</i> ") +
1265                   _("<b>Bold face.</b> ") +
1266                   _("<b><i>Bold italic face.</i></b><br>") +
1267                   content +
1268                   wxString( _T("</td><td><tt>") ) +
1269                   _("Fixed size face.<br> <b>bold</b> <i>italic</i> ") +
1270                   _("<b><i>bold italic <u>underlined</u></i></b><br>") +
1271                   content +
1272                   _T("</tt></td></tr></table></body></html>");
1273
1274         TestWin->SetPage( content );
1275     }
1276
1277     void OnUpdate(wxCommandEvent& WXUNUSED(event))
1278     {
1279         UpdateTestWin();
1280     }
1281     void OnUpdateSpin(wxSpinEvent& WXUNUSED(event))
1282     {
1283         UpdateTestWin();
1284     }
1285
1286     DECLARE_EVENT_TABLE()
1287     wxDECLARE_NO_COPY_CLASS(wxHtmlHelpWindowOptionsDialog);
1288 };
1289
1290 BEGIN_EVENT_TABLE(wxHtmlHelpWindowOptionsDialog, wxDialog)
1291     EVT_COMBOBOX(wxID_ANY, wxHtmlHelpWindowOptionsDialog::OnUpdate)
1292     EVT_SPINCTRL(wxID_ANY, wxHtmlHelpWindowOptionsDialog::OnUpdateSpin)
1293 END_EVENT_TABLE()
1294
1295 void wxHtmlHelpWindow::OptionsDialog()
1296 {
1297     wxHtmlHelpWindowOptionsDialog dlg(this);
1298     unsigned i;
1299
1300     if (m_NormalFonts == NULL)
1301     {
1302         m_NormalFonts = new wxArrayString(wxFontEnumerator::GetFacenames());
1303         m_NormalFonts->Sort(); // ascending sort
1304     }
1305     if (m_FixedFonts == NULL)
1306     {
1307         m_FixedFonts = new wxArrayString(
1308                     wxFontEnumerator::GetFacenames(wxFONTENCODING_SYSTEM,
1309                     true /*enum fixed width only*/));
1310         m_FixedFonts->Sort(); // ascending sort
1311     }
1312
1313     // VS: We want to show the font that is actually used by wxHtmlWindow.
1314     //     If customization dialog wasn't used yet, facenames are empty and
1315     //     wxHtmlWindow uses default fonts -- let's find out what they
1316     //     are so that we can pass them to the dialog:
1317     if (m_NormalFace.empty())
1318     {
1319         wxFont fnt(m_FontSize, wxSWISS, wxNORMAL, wxNORMAL, false);
1320         m_NormalFace = fnt.GetFaceName();
1321     }
1322     if (m_FixedFace.empty())
1323     {
1324         wxFont fnt(m_FontSize, wxMODERN, wxNORMAL, wxNORMAL, false);
1325         m_FixedFace = fnt.GetFaceName();
1326     }
1327
1328     for (i = 0; i < m_NormalFonts->GetCount(); i++)
1329         dlg.NormalFont->Append((*m_NormalFonts)[i]);
1330     for (i = 0; i < m_FixedFonts->GetCount(); i++)
1331         dlg.FixedFont->Append((*m_FixedFonts)[i]);
1332     if (!m_NormalFace.empty())
1333         dlg.NormalFont->SetStringSelection(m_NormalFace);
1334     else
1335         dlg.NormalFont->SetSelection(0);
1336     if (!m_FixedFace.empty())
1337         dlg.FixedFont->SetStringSelection(m_FixedFace);
1338     else
1339         dlg.FixedFont->SetSelection(0);
1340     dlg.FontSize->SetValue(m_FontSize);
1341     dlg.UpdateTestWin();
1342
1343     if (dlg.ShowModal() == wxID_OK)
1344     {
1345         m_NormalFace = dlg.NormalFont->GetStringSelection();
1346         m_FixedFace = dlg.FixedFont->GetStringSelection();
1347         m_FontSize = dlg.FontSize->GetValue();
1348         SetFontsToHtmlWin(m_HtmlWin, m_NormalFace, m_FixedFace, m_FontSize);
1349     }
1350 }
1351
1352 void wxHtmlHelpWindow::NotifyPageChanged()
1353 {
1354     if (m_UpdateContents && m_PagesHash)
1355     {
1356         wxString page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
1357         wxHtmlHelpHashData *ha = NULL;
1358         if (!page.empty())
1359             ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
1360
1361         if (ha)
1362         {
1363             bool olduc = m_UpdateContents;
1364             m_UpdateContents = false;
1365             m_ContentsBox->SelectItem(ha->m_Id);
1366             m_ContentsBox->EnsureVisible(ha->m_Id);
1367             m_UpdateContents = olduc;
1368         }
1369     }
1370 }
1371
1372 /*
1373 EVENT HANDLING :
1374 */
1375
1376
1377 void wxHtmlHelpWindow::OnToolbar(wxCommandEvent& event)
1378 {
1379     switch (event.GetId())
1380     {
1381         case wxID_HTML_BACK :
1382             m_HtmlWin->HistoryBack();
1383             NotifyPageChanged();
1384             break;
1385
1386         case wxID_HTML_FORWARD :
1387             m_HtmlWin->HistoryForward();
1388             NotifyPageChanged();
1389             break;
1390
1391         case wxID_HTML_UP :
1392             if (m_PagesHash)
1393             {
1394                 wxString page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
1395                 wxHtmlHelpHashData *ha = NULL;
1396                 if (!page.empty())
1397                     ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
1398                 if (ha && ha->m_Index > 0)
1399                 {
1400                     const wxHtmlHelpDataItem& it = m_Data->GetContentsArray()[ha->m_Index - 1];
1401                     if (!it.page.empty())
1402                     {
1403                         m_HtmlWin->LoadPage(it.GetFullPath());
1404                         NotifyPageChanged();
1405                     }
1406                 }
1407             }
1408             break;
1409
1410         case wxID_HTML_UPNODE :
1411             if (m_PagesHash)
1412             {
1413                 wxString page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
1414                 wxHtmlHelpHashData *ha = NULL;
1415                 if (!page.empty())
1416                     ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
1417                 if (ha && ha->m_Index > 0)
1418                 {
1419                     int level =
1420                         m_Data->GetContentsArray()[ha->m_Index].level - 1;
1421                     int ind = ha->m_Index - 1;
1422
1423                     const wxHtmlHelpDataItem *it =
1424                         &m_Data->GetContentsArray()[ind];
1425                     while (ind >= 0 && it->level != level)
1426                     {
1427                         ind--;
1428                         it = &m_Data->GetContentsArray()[ind];
1429                     }
1430                     if (ind >= 0)
1431                     {
1432                         if (!it->page.empty())
1433                         {
1434                             m_HtmlWin->LoadPage(it->GetFullPath());
1435                             NotifyPageChanged();
1436                         }
1437                     }
1438                 }
1439             }
1440             break;
1441
1442         case wxID_HTML_DOWN :
1443             if (m_PagesHash)
1444             {
1445                 wxString page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
1446                 wxHtmlHelpHashData *ha = NULL;
1447                 if (!page.empty())
1448                     ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
1449
1450                 const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
1451                 if (ha && ha->m_Index < (int)contents.size() - 1)
1452                 {
1453                     size_t idx = ha->m_Index + 1;
1454
1455                     while (contents[idx].GetFullPath() == page) idx++;
1456
1457                     if (!contents[idx].page.empty())
1458                     {
1459                         m_HtmlWin->LoadPage(contents[idx].GetFullPath());
1460                         NotifyPageChanged();
1461                     }
1462                 }
1463             }
1464             break;
1465
1466         case wxID_HTML_PANEL :
1467             {
1468                 if (! (m_Splitter && m_NavigPan))
1469                     return ;
1470                 if (m_Splitter->IsSplit())
1471                 {
1472                     m_Cfg.sashpos = m_Splitter->GetSashPosition();
1473                     m_Splitter->Unsplit(m_NavigPan);
1474                     m_Cfg.navig_on = false;
1475                 }
1476                 else
1477                 {
1478                     m_NavigPan->Show();
1479                     m_HtmlWin->Show();
1480                     m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
1481                     m_Cfg.navig_on = true;
1482                 }
1483             }
1484             break;
1485
1486         case wxID_HTML_OPTIONS :
1487             OptionsDialog();
1488             break;
1489
1490         case wxID_HTML_BOOKMARKSADD :
1491             {
1492                 wxString item;
1493                 wxString url;
1494
1495                 item = m_HtmlWin->GetOpenedPageTitle();
1496                 url = m_HtmlWin->GetOpenedPage();
1497                 if (item == wxEmptyString)
1498                     item = url.AfterLast(wxT('/'));
1499                 if (m_BookmarksPages.Index(url) == wxNOT_FOUND)
1500                 {
1501                     m_Bookmarks->Append(item);
1502                     m_BookmarksNames.Add(item);
1503                     m_BookmarksPages.Add(url);
1504                 }
1505             }
1506             break;
1507
1508         case wxID_HTML_BOOKMARKSREMOVE :
1509             {
1510                 wxString item;
1511                 int pos;
1512
1513                 item = m_Bookmarks->GetStringSelection();
1514                 pos = m_BookmarksNames.Index(item);
1515                 if (pos != wxNOT_FOUND)
1516                 {
1517                     m_BookmarksNames.RemoveAt(pos);
1518                     m_BookmarksPages.RemoveAt(pos);
1519                     pos = m_Bookmarks->GetSelection();
1520                     wxASSERT_MSG( pos != wxNOT_FOUND , wxT("Unknown bookmark position") ) ;
1521                     m_Bookmarks->Delete((unsigned int)pos);
1522                 }
1523             }
1524             break;
1525
1526 #if wxUSE_PRINTING_ARCHITECTURE
1527         case wxID_HTML_PRINT :
1528             {
1529                 if (m_Printer == NULL)
1530                     m_Printer = new wxHtmlEasyPrinting(_("Help Printing"), this);
1531                 if (!m_HtmlWin->GetOpenedPage())
1532                     wxLogWarning(_("Cannot print empty page."));
1533                 else
1534                     m_Printer->PrintFile(m_HtmlWin->GetOpenedPage());
1535             }
1536             break;
1537 #endif
1538
1539         case wxID_HTML_OPENFILE :
1540             {
1541                 wxString filemask = wxString(
1542                     _("HTML files (*.html;*.htm)|*.html;*.htm|")) +
1543                     _("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|") +
1544                     _("HTML Help Project (*.hhp)|*.hhp|") +
1545 #if wxUSE_LIBMSPACK
1546                     _("Compressed HTML Help file (*.chm)|*.chm|") +
1547 #endif
1548                     _("All files (*.*)|*");
1549                 wxString s = wxFileSelector(_("Open HTML document"),
1550                                             wxEmptyString,
1551                                             wxEmptyString,
1552                                             wxEmptyString,
1553                                             filemask,
1554                                             wxFD_OPEN | wxFD_FILE_MUST_EXIST,
1555                                             this);
1556                 if (!s.empty())
1557                 {
1558                     wxString ext = s.Right(4).Lower();
1559                     if (ext == _T(".zip") || ext == _T(".htb") ||
1560 #if wxUSE_LIBMSPACK
1561                         ext == _T(".chm") ||
1562 #endif
1563                         ext == _T(".hhp"))
1564                     {
1565                         wxBusyCursor bcur;
1566                         m_Data->AddBook(s);
1567                         RefreshLists();
1568                     }
1569                     else
1570                         m_HtmlWin->LoadPage(s);
1571                 }
1572             }
1573             break;
1574     }
1575 }
1576
1577 void wxHtmlHelpWindow::OnContentsSel(wxTreeEvent& event)
1578 {
1579     wxHtmlHelpTreeItemData *pg;
1580
1581     pg = (wxHtmlHelpTreeItemData*) m_ContentsBox->GetItemData(event.GetItem());
1582
1583     if (pg && m_UpdateContents)
1584     {
1585         const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
1586         m_UpdateContents = false;
1587         if (!contents[pg->m_Id].page.empty())
1588             m_HtmlWin->LoadPage(contents[pg->m_Id].GetFullPath());
1589         m_UpdateContents = true;
1590     }
1591 }
1592
1593 void wxHtmlHelpWindow::OnIndexSel(wxCommandEvent& WXUNUSED(event))
1594 {
1595     wxHtmlHelpMergedIndexItem *it = (wxHtmlHelpMergedIndexItem*)
1596         m_IndexList->GetClientData(m_IndexList->GetSelection());
1597     if (it)
1598         DisplayIndexItem(it);
1599 }
1600
1601 void wxHtmlHelpWindow::OnIndexFind(wxCommandEvent& WXUNUSED(event))
1602 {
1603     DoIndexFind();
1604 }
1605
1606 void wxHtmlHelpWindow::DoIndexFind()
1607 {
1608     wxString sr = m_IndexText->GetLineText(0);
1609     sr.MakeLower();
1610     if (sr == wxEmptyString)
1611     {
1612         DoIndexAll();
1613     }
1614     else
1615     {
1616         wxBusyCursor bcur;
1617
1618         m_IndexList->Clear();
1619         const wxHtmlHelpMergedIndex& index = *m_mergedIndex;
1620         size_t cnt = index.size();
1621
1622         int displ = 0;
1623         for (size_t i = 0; i < cnt; i++)
1624         {
1625             if (index[i].name.Lower().find(sr) != wxString::npos)
1626             {
1627                 int pos = m_IndexList->Append(index[i].name,
1628                                               (char*)(&index[i]));
1629
1630                 if (displ++ == 0)
1631                 {
1632                     // don't automatically show topic selector if this
1633                     // item points to multiple pages:
1634                     if (index[i].items.size() == 1)
1635                     {
1636                         m_IndexList->SetSelection(0);
1637                         DisplayIndexItem(&index[i]);
1638                     }
1639                 }
1640
1641                 // if this is nested item of the index, show its parent(s)
1642                 // as well, otherwise it would not be clear what entry is
1643                 // shown:
1644                 wxHtmlHelpMergedIndexItem *parent = index[i].parent;
1645                 while (parent)
1646                 {
1647                     if (pos == 0 ||
1648                         (index.Index(*(wxHtmlHelpMergedIndexItem*)m_IndexList->GetClientData(pos-1))) < index.Index(*parent))
1649                     {
1650                         m_IndexList->Insert(parent->name,
1651                                             pos, (char*)parent);
1652                         parent = parent->parent;
1653                     }
1654                     else break;
1655                 }
1656
1657                 // finally, it the item we just added is itself a parent for
1658                 // other items, show them as well, because they are refinements
1659                 // of the displayed index entry (i.e. it is implicitly contained
1660                 // in them: "foo" with parent "bar" reads as "bar, foo"):
1661                 int level = index[i].items[0]->level;
1662                 i++;
1663                 while (i < cnt && index[i].items[0]->level > level)
1664                 {
1665                     m_IndexList->Append(index[i].name, (char*)(&index[i]));
1666                     i++;
1667                 }
1668                 i--;
1669             }
1670         }
1671
1672         wxString cnttext;
1673         cnttext.Printf(_("%i of %i"), displ, cnt);
1674         m_IndexCountInfo->SetLabel(cnttext);
1675
1676         m_IndexText->SetSelection(0, sr.length());
1677         m_IndexText->SetFocus();
1678     }
1679 }
1680
1681 void wxHtmlHelpWindow::OnIndexAll(wxCommandEvent& WXUNUSED(event))
1682 {
1683     DoIndexAll();
1684 }
1685
1686 void wxHtmlHelpWindow::DoIndexAll()
1687 {
1688     wxBusyCursor bcur;
1689
1690     m_IndexList->Clear();
1691     const wxHtmlHelpMergedIndex& index = *m_mergedIndex;
1692     size_t cnt = index.size();
1693     bool first = true;
1694
1695     for (size_t i = 0; i < cnt; i++)
1696     {
1697         m_IndexList->Append(index[i].name, (char*)(&index[i]));
1698         if (first)
1699         {
1700             // don't automatically show topic selector if this
1701             // item points to multiple pages:
1702             if (index[i].items.size() == 1)
1703             {
1704                 DisplayIndexItem(&index[i]);
1705             }
1706             first = false;
1707         }
1708     }
1709
1710     wxString cnttext;
1711     cnttext.Printf(_("%i of %i"), cnt, cnt);
1712     m_IndexCountInfo->SetLabel(cnttext);
1713 }
1714
1715 void wxHtmlHelpWindow::OnSearchSel(wxCommandEvent& WXUNUSED(event))
1716 {
1717     wxHtmlHelpDataItem *it = (wxHtmlHelpDataItem*) m_SearchList->GetClientData(m_SearchList->GetSelection());
1718     if (it)
1719     {
1720         if (!it->page.empty())
1721             m_HtmlWin->LoadPage(it->GetFullPath());
1722         NotifyPageChanged();
1723     }
1724 }
1725
1726 void wxHtmlHelpWindow::OnSearch(wxCommandEvent& WXUNUSED(event))
1727 {
1728     wxString sr = m_SearchText->GetLineText(0);
1729
1730     if (!sr.empty())
1731         KeywordSearch(sr, wxHELP_SEARCH_ALL);
1732 }
1733
1734 void wxHtmlHelpWindow::OnBookmarksSel(wxCommandEvent& WXUNUSED(event))
1735 {
1736     wxString str = m_Bookmarks->GetStringSelection();
1737     int idx = m_BookmarksNames.Index(str);
1738     if (!str.empty() && str != _("(bookmarks)") && idx != wxNOT_FOUND)
1739     {
1740        m_HtmlWin->LoadPage(m_BookmarksPages[(size_t)idx]);
1741        NotifyPageChanged();
1742     }
1743 }
1744
1745 void wxHtmlHelpWindow::OnSize(wxSizeEvent& WXUNUSED(event))
1746 {
1747     Layout();
1748 }
1749
1750 #endif // wxUSE_WXHTML_HELP