]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/helpfrm.cpp
Add GtkSortableIface stubs
[wxWidgets.git] / src / html / helpfrm.cpp
index 3530eb3f3e2abd5c1341d117425227ef18549a99..61009bfb6f8dc006f705bd1317d1a34dfa52a2ae 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        helpfrm.cpp
+// Name:        src/html/helpfrm.cpp
 // Purpose:     wxHtmlHelpFrame
 // Notes:       Based on htmlhelp.cpp, implementing a monolithic
 //              HTML Help controller class,  by Vaclav Slavik
@@ -9,40 +9,41 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "helpfrm.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h"
 
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #if wxUSE_WXHTML_HELP
 
-#ifndef WXPRECOMP
+#ifndef WX_PRECOMP
+    #include "wx/object.h"
+    #include "wx/dynarray.h"
     #include "wx/intl.h"
     #include "wx/log.h"
+    #if wxUSE_STREAMS
+        #include "wx/stream.h"
+    #endif
 
-    #include "wx/object.h"
     #include "wx/sizer.h"
 
     #include "wx/bmpbuttn.h"
     #include "wx/statbox.h"
     #include "wx/radiobox.h"
-#endif // WXPRECOMP
-
-#ifdef __WXMAC__
     #include "wx/menu.h"
+    #include "wx/settings.h"
     #include "wx/msgdlg.h"
-#endif
+    #include "wx/textctrl.h"
+    #include "wx/toolbar.h"
+    #include "wx/choicdlg.h"
+    #include "wx/filedlg.h"
+#endif // WX_PRECOMP
 
 #include "wx/html/helpfrm.h"
 #include "wx/html/helpctrl.h"
-#include "wx/textctrl.h"
 #include "wx/notebook.h"
 #include "wx/imaglist.h"
 #include "wx/treectrl.h"
 #include "wx/html/htmlwin.h"
 #include "wx/busyinfo.h"
 #include "wx/progdlg.h"
-#include "wx/toolbar.h"
 #include "wx/fontenum.h"
-#include "wx/stream.h"
-#include "wx/filedlg.h"
 #include "wx/artprov.h"
 #include "wx/spinctrl.h"
-#include "wx/dynarray.h"
-#include "wx/choicdlg.h"
-
-// what is considered "small index"?
-#define INDEX_IS_SMALL 100
+#include "wx/app.h"
 
-/* Motif defines this as a macro */
-#ifdef Below
-#undef Below
-#endif
-
-//--------------------------------------------------------------------------
-// wxHtmlHelpTreeItemData (private)
-//--------------------------------------------------------------------------
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpFrame, wxFrame)
 
-class wxHtmlHelpTreeItemData : public wxTreeItemData
-{
-    public:
-#if defined(__VISAGECPP__)
-//  VA needs a default ctor for some reason....
-        wxHtmlHelpTreeItemData() : wxTreeItemData()
-            { m_Id = 0; }
+BEGIN_EVENT_TABLE(wxHtmlHelpFrame, wxFrame)
+    EVT_ACTIVATE(wxHtmlHelpFrame::OnActivate)
+    EVT_CLOSE(wxHtmlHelpFrame::OnCloseWindow)
+#ifdef __WXMAC__
+    EVT_MENU(wxID_CLOSE, wxHtmlHelpFrame::OnClose)
+    EVT_MENU(wxID_ABOUT, wxHtmlHelpFrame::OnAbout)
+    EVT_MENU(wxID_HELP_CONTENTS, wxHtmlHelpFrame::OnAbout)
 #endif
-        wxHtmlHelpTreeItemData(int id) : wxTreeItemData()
-            { m_Id = id;}
-
-        int m_Id;
-};
-
-
-//--------------------------------------------------------------------------
-// wxHtmlHelpHashData (private)
-//--------------------------------------------------------------------------
-
-class wxHtmlHelpHashData : public wxObject
-{
-    public:
-        wxHtmlHelpHashData(int index, wxTreeItemId id) : wxObject()
-            { m_Index = index; m_Id = id;}
-        ~wxHtmlHelpHashData() {}
-
-        int m_Index;
-        wxTreeItemId m_Id;
-};
-
-
-//--------------------------------------------------------------------------
-// wxHtmlHelpHtmlWindow (private)
-//--------------------------------------------------------------------------
-
-class wxHtmlHelpHtmlWindow : public wxHtmlWindow
-{
-    public:
-        wxHtmlHelpHtmlWindow(wxHtmlHelpFrame *fr, wxWindow *parent) : wxHtmlWindow(parent), m_Frame(fr) {}
-
-        virtual void OnLinkClicked(const wxHtmlLinkInfo& link)
-        {
-            wxHtmlWindow::OnLinkClicked(link);
-            const wxMouseEvent *e = link.GetEvent();
-            if (e == NULL || e->LeftUp())
-                m_Frame->NotifyPageChanged();
-        }
-
-    private:
-        wxHtmlHelpFrame *m_Frame;
-
-    DECLARE_NO_COPY_CLASS(wxHtmlHelpHtmlWindow)
-};
-
-
-//---------------------------------------------------------------------------
-// wxHtmlHelpFrame::m_mergedIndex
-//---------------------------------------------------------------------------
-
-WX_DEFINE_ARRAY(const wxHtmlHelpDataItem*, wxHtmlHelpDataItemPtrArray);
-
-struct wxHtmlHelpMergedIndexItem
-{
-    wxHtmlHelpMergedIndexItem *parent;
-    wxString                   name;
-    wxHtmlHelpDataItemPtrArray items;
-};
-
-WX_DECLARE_OBJARRAY(wxHtmlHelpMergedIndexItem, wxHtmlHelpMergedIndex);
-#include "wx/arrimpl.cpp"
-WX_DEFINE_OBJARRAY(wxHtmlHelpMergedIndex)
-
-void wxHtmlHelpFrame::UpdateMergedIndex()
-{
-    delete m_mergedIndex;
-    m_mergedIndex = new wxHtmlHelpMergedIndex;
-    wxHtmlHelpMergedIndex& merged = *m_mergedIndex;
-
-    const wxHtmlHelpDataItems& items = m_Data->GetIndexArray();
-    size_t len = items.size();
-
-    wxHtmlHelpMergedIndexItem *history[128] = {NULL};
-    
-    for (size_t i = 0; i < len; i++)
-    {
-        const wxHtmlHelpDataItem& item = items[i];
-        wxASSERT_MSG( item.level < 128, _T("nested index entries too deep") );
-        
-        if (history[item.level] &&
-            history[item.level]->items[0]->name == item.name)
-        {
-            // same index entry as previous one, update list of items
-            history[item.level]->items.Add(&item);
-        }
-        else
-        {
-            // new index entry
-            wxHtmlHelpMergedIndexItem *mi = new wxHtmlHelpMergedIndexItem();
-            mi->name = item.GetIndentedName();
-            mi->items.Add(&item);
-            mi->parent = (item.level == 0) ? NULL : history[item.level - 1];
-            history[item.level] = mi;
-            merged.Add(mi);
-        }        
-    }
-}
-    
-
-//---------------------------------------------------------------------------
-// wxHtmlHelpFrame
-//---------------------------------------------------------------------------
-
-// Command IDs :
-enum
-{
-    //wxID_HTML_HELPFRAME = wxID_HIGHEST + 1,
-    wxID_HTML_PANEL = wxID_HIGHEST + 2,
-    wxID_HTML_BACK,
-    wxID_HTML_FORWARD,
-    wxID_HTML_UPNODE,
-    wxID_HTML_UP,
-    wxID_HTML_DOWN,
-    wxID_HTML_PRINT,
-    wxID_HTML_OPENFILE,
-    wxID_HTML_OPTIONS,
-    wxID_HTML_BOOKMARKSLIST,
-    wxID_HTML_BOOKMARKSADD,
-    wxID_HTML_BOOKMARKSREMOVE,
-    wxID_HTML_TREECTRL,
-    wxID_HTML_INDEXPAGE,
-    wxID_HTML_INDEXLIST,
-    wxID_HTML_INDEXTEXT,
-    wxID_HTML_INDEXBUTTON,
-    wxID_HTML_INDEXBUTTONALL,
-    wxID_HTML_NOTEBOOK,
-    wxID_HTML_SEARCHPAGE,
-    wxID_HTML_SEARCHTEXT,
-    wxID_HTML_SEARCHLIST,
-    wxID_HTML_SEARCHBUTTON,
-    wxID_HTML_SEARCHCHOICE,
-    wxID_HTML_COUNTINFO
-};
-
-
-IMPLEMENT_DYNAMIC_CLASS(wxHtmlHelpFrame, wxFrame)
+END_EVENT_TABLE()
 
 wxHtmlHelpFrame::wxHtmlHelpFrame(wxWindow* parent, wxWindowID id, const wxString& title,
-                                 int style, wxHtmlHelpData* data)
+                                 int style, wxHtmlHelpData* data,
+                                 wxConfigBase *config, const wxString& rootpath)
 {
     Init(data);
-    Create(parent, id, title, style);
+    Create(parent, id, title, style, config, rootpath);
 }
 
 void wxHtmlHelpFrame::Init(wxHtmlHelpData* data)
 {
-    if (data)
-    {
-        m_Data = data;
-        m_DataCreated = false;
-    } else
-    {
-        m_Data = new wxHtmlHelpData();
-        m_DataCreated = true;
-    }
-
-    m_ContentsBox = NULL;
-    m_IndexList = NULL;
-    m_IndexButton = NULL;
-    m_IndexButtonAll = NULL;
-    m_IndexText = NULL;
-    m_SearchList = NULL;
-    m_SearchButton = NULL;
-    m_SearchText = NULL;
-    m_SearchChoice = NULL;
-    m_IndexCountInfo = NULL;
-    m_Splitter = NULL;
-    m_NavigPan = NULL;
-    m_NavigNotebook = NULL;
-    m_HtmlWin = NULL;
-    m_Bookmarks = NULL;
-    m_SearchCaseSensitive = NULL;
-    m_SearchWholeWords = NULL;
-
-    m_mergedIndex = NULL;
-
-    m_Config = NULL;
-    m_ConfigRoot = wxEmptyString;
-
-    m_Cfg.x = m_Cfg.y = 0;
-    m_Cfg.w = 700;
-    m_Cfg.h = 480;
-    m_Cfg.sashpos = 240;
-    m_Cfg.navig_on = true;
-
-    m_NormalFonts = m_FixedFonts = NULL;
-    m_NormalFace = m_FixedFace = wxEmptyString;
-#ifdef __WXMSW__
-    m_FontSize = 10;
-#else
-    m_FontSize = 14;
-#endif
-
-#if wxUSE_PRINTING_ARCHITECTURE
-    m_Printer = NULL;
-#endif
-
-    m_PagesHash = NULL;
-    m_UpdateContents = true;
-    m_helpController = (wxHelpControllerBase*) NULL;
+    // Simply pass the pointer on to the help window
+    m_Data = data;
+    m_HtmlHelpWin = NULL;
+    m_helpController = (wxHtmlHelpController*) NULL;
 }
 
 // Create: builds the GUI components.
-// with the style flag it's possible to toggle the toolbar, contents, index and search
-// controls.
-// m_HtmlWin will *always* be created, but it's important to realize that
-// m_ContentsBox, m_IndexList, m_SearchList, m_SearchButton, m_SearchText and
-// m_SearchButton may be NULL.
-// moreover, if no contents, index or searchpage is needed, m_Splitter and
-// m_NavigPan will be NULL too (with m_HtmlWin directly connected to the frame)
-
 bool wxHtmlHelpFrame::Create(wxWindow* parent, wxWindowID id,
-                             const wxString& WXUNUSED(title), int style)
+                             const wxString& WXUNUSED(title), int style,
+                             wxConfigBase *config, const wxString& rootpath)
 {
-    m_hfStyle = style;
-
-    wxImageList *ContentsImageList = new wxImageList(16, 16);
-    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_BOOK, wxART_HELP_BROWSER));
-    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_FOLDER, wxART_HELP_BROWSER));
-    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_PAGE, wxART_HELP_BROWSER));
-
-    // Do the config in two steps. We read the HtmlWindow customization after we
-    // create the window.
-    if (m_Config)
-        ReadCustomization(m_Config, m_ConfigRoot);
-
+    m_HtmlHelpWin = new wxHtmlHelpWindow(m_Data);
+    if ( config)
+        m_HtmlHelpWin->UseConfig(config, rootpath);
+    
     wxFrame::Create(parent, id, _("Help"),
-                    wxPoint(m_Cfg.x, m_Cfg.y), wxSize(m_Cfg.w, m_Cfg.h),
+                    wxPoint(m_HtmlHelpWin->GetCfgData().x, m_HtmlHelpWin->GetCfgData().y),
+                    wxSize(m_HtmlHelpWin->GetCfgData().w, m_HtmlHelpWin->GetCfgData().h),
                     wxDEFAULT_FRAME_STYLE, wxT("wxHtmlHelp"));
+#if wxUSE_STATUSBAR
+    CreateStatusBar();
+#endif
+    m_HtmlHelpWin->Create(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+        wxTAB_TRAVERSAL|wxNO_BORDER, style);
 
-    GetPosition(&m_Cfg.x, &m_Cfg.y);
+    GetPosition(& (m_HtmlHelpWin->GetCfgData().x), & (m_HtmlHelpWin->GetCfgData()).y);
 
     SetIcon(wxArtProvider::GetIcon(wxART_HELP, wxART_HELP_BROWSER));
 
@@ -328,1024 +121,32 @@ bool wxHtmlHelpFrame::Create(wxWindow* parent, wxWindowID id,
 
     wxMenu* helpMenu = new wxMenu;
     helpMenu->Append(wxID_ABOUT, _("&About..."));
+    // Ensures we don't get an empty help menu
+    helpMenu->Append(wxID_HELP_CONTENTS, _("&About..."));
 
     menuBar->Append(fileMenu,_("&File"));
     menuBar->Append(helpMenu,_("&Help"));
     SetMenuBar(menuBar);
 #endif
 
-    int notebook_page = 0;
-
-    CreateStatusBar();
-
-#if wxUSE_TOOLBAR
-    // toolbar?
-    if (style & (wxHF_TOOLBAR | wxHF_FLAT_TOOLBAR))
-    {
-        wxToolBar *toolBar = CreateToolBar(wxNO_BORDER | wxTB_HORIZONTAL |
-                                           wxTB_DOCKABLE |
-                                           (style & wxHF_FLAT_TOOLBAR ? wxTB_FLAT : 0));
-        toolBar->SetMargins( 2, 2 );
-        AddToolbarButtons(toolBar, style);
-        toolBar->Realize();
-    }
-#endif //wxUSE_TOOLBAR
-
-    wxSizer *navigSizer = NULL;
-
-    if (style & (wxHF_CONTENTS | wxHF_INDEX | wxHF_SEARCH))
-    {
-        // traditional help controller; splitter window with html page on the
-        // right and a notebook containing various pages on the left
-        m_Splitter = new wxSplitterWindow(this);
-
-        m_HtmlWin = new wxHtmlHelpHtmlWindow(this, m_Splitter);
-        m_NavigPan = new wxPanel(m_Splitter, wxID_ANY);
-        m_NavigNotebook = new wxNotebook(m_NavigPan, wxID_HTML_NOTEBOOK,
-                                         wxDefaultPosition, wxDefaultSize);
-
-        navigSizer = new wxBoxSizer(wxVERTICAL);
-        navigSizer->Add(m_NavigNotebook, 1, wxEXPAND);
-
-        m_NavigPan->SetSizer(navigSizer);
-    }
-    else
-    { // only html window, no notebook with index,contents etc
-        m_HtmlWin = new wxHtmlWindow(this);
-    }
-
-    m_HtmlWin->SetRelatedFrame(this, m_TitleFormat);
-    m_HtmlWin->SetRelatedStatusBar(0);
-    if ( m_Config )
-        m_HtmlWin->ReadCustomization(m_Config, m_ConfigRoot);
-
-    // contents tree panel?
-    if ( style & wxHF_CONTENTS )
-    {
-        wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
-        wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
-
-        topsizer->Add(0, 10);
-
-        dummy->SetSizer(topsizer);
-
-        if ( style & wxHF_BOOKMARKS )
-        {
-            m_Bookmarks = new wxComboBox(dummy, wxID_HTML_BOOKMARKSLIST,
-                                         wxEmptyString,
-                                         wxDefaultPosition, wxDefaultSize,
-                                         0, NULL, wxCB_READONLY | wxCB_SORT);
-            m_Bookmarks->Append(_("(bookmarks)"));
-            for (unsigned i = 0; i < m_BookmarksNames.GetCount(); i++)
-                m_Bookmarks->Append(m_BookmarksNames[i]);
-            m_Bookmarks->SetSelection(0);
-
-            wxBitmapButton *bmpbt1, *bmpbt2;
-            bmpbt1 = new wxBitmapButton(dummy, wxID_HTML_BOOKMARKSADD,
-                                 wxArtProvider::GetBitmap(wxART_ADD_BOOKMARK,
-                                                          wxART_HELP_BROWSER));
-            bmpbt2 = new wxBitmapButton(dummy, wxID_HTML_BOOKMARKSREMOVE,
-                                 wxArtProvider::GetBitmap(wxART_DEL_BOOKMARK,
-                                                          wxART_HELP_BROWSER));
-#if wxUSE_TOOLTIPS
-            bmpbt1->SetToolTip(_("Add current page to bookmarks"));
-            bmpbt2->SetToolTip(_("Remove current page from bookmarks"));
-#endif // wxUSE_TOOLTIPS
-
-            wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
-
-            sizer->Add(m_Bookmarks, 1, wxALIGN_CENTRE_VERTICAL | wxRIGHT, 5);
-            sizer->Add(bmpbt1, 0, wxALIGN_CENTRE_VERTICAL | wxRIGHT, 2);
-            sizer->Add(bmpbt2, 0, wxALIGN_CENTRE_VERTICAL, 0);
-
-            topsizer->Add(sizer, 0, wxEXPAND | wxLEFT | wxBOTTOM | wxRIGHT, 10);
-        }
-
-        m_ContentsBox = new wxTreeCtrl(dummy, wxID_HTML_TREECTRL,
-                                       wxDefaultPosition, wxDefaultSize,
-                                       wxSUNKEN_BORDER |
-                                       wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT |
-                                       wxTR_LINES_AT_ROOT);
-
-        m_ContentsBox->AssignImageList(ContentsImageList);
-
-        topsizer->Add(m_ContentsBox, 1,
-                      wxEXPAND | wxLEFT | wxBOTTOM | wxRIGHT,
-                      2);
-
-        m_NavigNotebook->AddPage(dummy, _("Contents"));
-        m_ContentsPage = notebook_page++;
-    }
-
-    // index listbox panel?
-    if ( style & wxHF_INDEX )
-    {
-        wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
-        wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
-
-        dummy->SetSizer(topsizer);
-
-        m_IndexText = new wxTextCtrl(dummy, wxID_HTML_INDEXTEXT, wxEmptyString,
-                                     wxDefaultPosition, wxDefaultSize,
-                                     wxTE_PROCESS_ENTER);
-        m_IndexButton = new wxButton(dummy, wxID_HTML_INDEXBUTTON, _("Find"));
-        m_IndexButtonAll = new wxButton(dummy, wxID_HTML_INDEXBUTTONALL,
-                                        _("Show all"));
-        m_IndexCountInfo = new wxStaticText(dummy, wxID_HTML_COUNTINFO,
-                                            wxEmptyString, wxDefaultPosition,
-                                            wxDefaultSize,
-                                            wxALIGN_RIGHT | wxST_NO_AUTORESIZE);
-        m_IndexList = new wxListBox(dummy, wxID_HTML_INDEXLIST,
-                                    wxDefaultPosition, wxDefaultSize,
-                                    0, NULL, wxLB_SINGLE);
-
-#if wxUSE_TOOLTIPS
-        m_IndexButton->SetToolTip(_("Display all index items that contain given substring. Search is case insensitive."));
-        m_IndexButtonAll->SetToolTip(_("Show all items in index"));
-#endif //wxUSE_TOOLTIPS
-
-        topsizer->Add(m_IndexText, 0, wxEXPAND | wxALL, 10);
-        wxSizer *btsizer = new wxBoxSizer(wxHORIZONTAL);
-        btsizer->Add(m_IndexButton, 0, wxRIGHT, 2);
-        btsizer->Add(m_IndexButtonAll);
-        topsizer->Add(btsizer, 0,
-                      wxALIGN_RIGHT | wxLEFT | wxRIGHT | wxBOTTOM, 10);
-        topsizer->Add(m_IndexCountInfo, 0, wxEXPAND | wxLEFT | wxRIGHT, 2);
-        topsizer->Add(m_IndexList, 1, wxEXPAND | wxALL, 2);
-
-        m_NavigNotebook->AddPage(dummy, _("Index"));
-        m_IndexPage = notebook_page++;
-    }
-
-    // search list panel?
-    if ( style & wxHF_SEARCH )
-    {
-        wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
-        wxSizer *sizer = new wxBoxSizer(wxVERTICAL);
-
-        dummy->SetSizer(sizer);
-
-        m_SearchText = new wxTextCtrl(dummy, wxID_HTML_SEARCHTEXT,
-                                      wxEmptyString,
-                                      wxDefaultPosition, wxDefaultSize,
-                                      wxTE_PROCESS_ENTER);
-        m_SearchChoice = new wxChoice(dummy, wxID_HTML_SEARCHCHOICE,
-                                      wxDefaultPosition, wxDefaultSize);
-        m_SearchCaseSensitive = new wxCheckBox(dummy, wxID_ANY, _("Case sensitive"));
-        m_SearchWholeWords = new wxCheckBox(dummy, wxID_ANY, _("Whole words only"));
-        m_SearchButton = new wxButton(dummy, wxID_HTML_SEARCHBUTTON, _("Search"));
-#if wxUSE_TOOLTIPS
-        m_SearchButton->SetToolTip(_("Search contents of help book(s) for all occurences of the text you typed above"));
-#endif //wxUSE_TOOLTIPS
-        m_SearchList = new wxListBox(dummy, wxID_HTML_SEARCHLIST,
-                                     wxDefaultPosition, wxDefaultSize,
-                                     0, NULL, wxLB_SINGLE);
-
-        sizer->Add(m_SearchText, 0, wxEXPAND | wxALL, 10);
-        sizer->Add(m_SearchChoice, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 10);
-        sizer->Add(m_SearchCaseSensitive, 0, wxLEFT | wxRIGHT, 10);
-        sizer->Add(m_SearchWholeWords, 0, wxLEFT | wxRIGHT, 10);
-        sizer->Add(m_SearchButton, 0, wxALL | wxALIGN_RIGHT, 8);
-        sizer->Add(m_SearchList, 1, wxALL | wxEXPAND, 2);
-
-        m_NavigNotebook->AddPage(dummy, _("Search"));
-        m_SearchPage = notebook_page;
-    }
-
-    m_HtmlWin->Show();
-
-    RefreshLists();
-
-    if ( navigSizer )
-    {
-        navigSizer->SetSizeHints(m_NavigPan);
-        m_NavigPan->Layout();
-    }
-
-    // showtime
-    if ( m_NavigPan && m_Splitter )
-    {
-        m_Splitter->SetMinimumPaneSize(20);
-        if ( m_Cfg.navig_on )
-            m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-
-        if ( m_Cfg.navig_on )
-        {
-            m_NavigPan->Show();
-            m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-        }
-        else
-        {
-            m_NavigPan->Show(false);
-            m_Splitter->Initialize(m_HtmlWin);
-        }
-    }
-
-    // Reduce flicker by updating the splitter pane sizes before the
-    // frame is shown
-    wxSizeEvent sizeEvent(GetSize(), GetId());
-    ProcessEvent(sizeEvent);
-
-    m_Splitter->UpdateSize();
-
+    m_HtmlHelpWin->GetHtmlWindow()->SetRelatedFrame(this, m_TitleFormat);
+#if wxUSE_STATUSBAR
+    m_HtmlHelpWin->GetHtmlWindow()->SetRelatedStatusBar(0);
+#endif
     return true;
 }
 
 wxHtmlHelpFrame::~wxHtmlHelpFrame()
 {
-    // PopEventHandler(); // wxhtmlhelpcontroller (not any more!)
-    if (m_DataCreated)
-        delete m_Data;
-    if (m_NormalFonts) delete m_NormalFonts;
-    if (m_FixedFonts) delete m_FixedFonts;
-    if (m_PagesHash)
-    {
-        WX_CLEAR_HASH_TABLE(*m_PagesHash);
-        delete m_PagesHash;
-    }
-#if wxUSE_PRINTING_ARCHITECTURE
-    if (m_Printer) delete m_Printer;
-#endif
-}
-
-
-#if wxUSE_TOOLBAR
-void wxHtmlHelpFrame::AddToolbarButtons(wxToolBar *toolBar, int style)
-{
-    wxBitmap wpanelBitmap =
-        wxArtProvider::GetBitmap(wxART_HELP_SIDE_PANEL, wxART_HELP_BROWSER);
-    wxBitmap wbackBitmap =
-        wxArtProvider::GetBitmap(wxART_GO_BACK, wxART_HELP_BROWSER);
-    wxBitmap wforwardBitmap =
-        wxArtProvider::GetBitmap(wxART_GO_FORWARD, wxART_HELP_BROWSER);
-    wxBitmap wupnodeBitmap =
-        wxArtProvider::GetBitmap(wxART_GO_TO_PARENT, wxART_HELP_BROWSER);
-    wxBitmap wupBitmap =
-        wxArtProvider::GetBitmap(wxART_GO_UP, wxART_HELP_BROWSER);
-    wxBitmap wdownBitmap =
-        wxArtProvider::GetBitmap(wxART_GO_DOWN, wxART_HELP_BROWSER);
-    wxBitmap wopenBitmap =
-        wxArtProvider::GetBitmap(wxART_FILE_OPEN, wxART_HELP_BROWSER);
-    wxBitmap wprintBitmap =
-        wxArtProvider::GetBitmap(wxART_PRINT, wxART_HELP_BROWSER);
-    wxBitmap woptionsBitmap =
-        wxArtProvider::GetBitmap(wxART_HELP_SETTINGS, wxART_HELP_BROWSER);
-
-    wxASSERT_MSG( (wpanelBitmap.Ok() && wbackBitmap.Ok() &&
-                   wforwardBitmap.Ok() && wupnodeBitmap.Ok() &&
-                   wupBitmap.Ok() && wdownBitmap.Ok() &&
-                   wopenBitmap.Ok() && wprintBitmap.Ok() &&
-                   woptionsBitmap.Ok()),
-                  wxT("One or more HTML help frame toolbar bitmap could not be loaded.")) ;
-
-
-    toolBar->AddTool(wxID_HTML_PANEL, wpanelBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Show/hide navigation panel"));
-
-    toolBar->AddSeparator();
-    toolBar->AddTool(wxID_HTML_BACK, wbackBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Go back"));
-    toolBar->AddTool(wxID_HTML_FORWARD, wforwardBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Go forward"));
-    toolBar->AddSeparator();
-
-    toolBar->AddTool(wxID_HTML_UPNODE, wupnodeBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Go one level up in document hierarchy"));
-    toolBar->AddTool(wxID_HTML_UP, wupBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Previous page"));
-    toolBar->AddTool(wxID_HTML_DOWN, wdownBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Next page"));
-
-    if ((style & wxHF_PRINT) || (style & wxHF_OPEN_FILES))
-        toolBar->AddSeparator();
-
-    if (style & wxHF_OPEN_FILES)
-        toolBar->AddTool(wxID_HTML_OPENFILE, wopenBitmap, wxNullBitmap,
-                           false, -1, -1, (wxObject *) NULL,
-                           _("Open HTML document"));
-
-#if wxUSE_PRINTING_ARCHITECTURE
-    if (style & wxHF_PRINT)
-        toolBar->AddTool(wxID_HTML_PRINT, wprintBitmap, wxNullBitmap,
-                           false, -1, -1, (wxObject *) NULL,
-                           _("Print this page"));
-#endif
-
-    toolBar->AddSeparator();
-    toolBar->AddTool(wxID_HTML_OPTIONS, woptionsBitmap, wxNullBitmap,
-                       false, -1, -1, (wxObject *) NULL,
-                       _("Display options dialog"));
 }
-#endif //wxUSE_TOOLBAR
-
 
 void wxHtmlHelpFrame::SetTitleFormat(const wxString& format)
 {
-    if (m_HtmlWin)
-        m_HtmlWin->SetRelatedFrame(this, format);
+    if (GetHelpWindow() && GetHelpWindow()->GetHtmlWindow())
+        GetHelpWindow()->GetHtmlWindow()->SetRelatedFrame(this, format);
     m_TitleFormat = format;
 }
 
-
-bool wxHtmlHelpFrame::Display(const wxString& x)
-{
-    wxString url = m_Data->FindPageByName(x);
-    if (!url.IsEmpty())
-    {
-        m_HtmlWin->LoadPage(url);
-        NotifyPageChanged();
-        return true;
-    }
-
-    return false;
-}
-
-bool wxHtmlHelpFrame::Display(const int id)
-{
-    wxString url = m_Data->FindPageById(id);
-    if (!url.IsEmpty())
-    {
-        m_HtmlWin->LoadPage(url);
-        NotifyPageChanged();
-        return true;
-    }
-
-    return false;
-}
-
-
-
-bool wxHtmlHelpFrame::DisplayContents()
-{
-    if (! m_ContentsBox)
-        return false;
-
-    if (!m_Splitter->IsSplit())
-    {
-        m_NavigPan->Show();
-        m_HtmlWin->Show();
-        m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-        m_Cfg.navig_on = true;
-    }
-
-    m_NavigNotebook->SetSelection(0);
-
-    if (m_Data->GetBookRecArray().GetCount() > 0)
-    {
-        wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
-        if (!book.GetStart().IsEmpty())
-            m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
-    }
-
-    return true;
-}
-
-
-
-bool wxHtmlHelpFrame::DisplayIndex()
-{
-    if (! m_IndexList)
-        return false;
-
-    if (!m_Splitter->IsSplit())
-    {
-        m_NavigPan->Show();
-        m_HtmlWin->Show();
-        m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-    }
-
-    m_NavigNotebook->SetSelection(1);
-
-    if (m_Data->GetBookRecArray().GetCount() > 0)
-    {
-        wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
-        if (!book.GetStart().IsEmpty())
-            m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
-    }
-
-    return true;
-}
-
-void wxHtmlHelpFrame::DisplayIndexItem(const wxHtmlHelpMergedIndexItem *it)
-{
-    if (it->items.size() == 1)
-    {
-        if (!it->items[0]->page.empty())
-        {
-            m_HtmlWin->LoadPage(it->items[0]->GetFullPath());
-            NotifyPageChanged();
-        }
-    }
-    else
-    {
-        wxBusyCursor busy_cursor;
-
-        // more pages associated with this index item -- let the user choose
-        // which one she/he wants from a list:
-        wxArrayString arr;
-        size_t len = it->items.size();
-        for (size_t i = 0; i < len; i++)
-        {
-            wxString page = it->items[i]->page;
-            // try to find page's title in contents:
-            const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
-            size_t clen = contents.size();
-            for (size_t j = 0; j < clen; j++)
-            {
-                if (contents[j].page == page)
-                {
-                    page = contents[j].name;
-                    break;
-                }
-            }
-            arr.push_back(page);
-        }
-
-        wxSingleChoiceDialog dlg(this,
-                                 _("Please choose the page to display:"),
-                                 _("Help Topics"),
-                                 arr, NULL, wxCHOICEDLG_STYLE & ~wxCENTRE);
-        if (dlg.ShowModal() == wxID_OK)
-        {
-            m_HtmlWin->LoadPage(it->items[dlg.GetSelection()]->GetFullPath());
-            NotifyPageChanged();
-        }
-    }
-}
-
-
-bool wxHtmlHelpFrame::KeywordSearch(const wxString& keyword,
-                                    wxHelpSearchMode mode)
-{
-    if (mode == wxHELP_SEARCH_ALL)
-    {
-        if ( !(m_SearchList &&
-               m_SearchButton && m_SearchText && m_SearchChoice) )
-            return false;
-    }
-    else if (mode == wxHELP_SEARCH_INDEX)
-    {
-        if ( !(m_IndexList &&
-               m_IndexButton && m_IndexButtonAll && m_IndexText) )
-            return false;
-    }
-
-    int foundcnt = 0;
-    wxString foundstr;
-    wxString book = wxEmptyString;
-
-    if (!m_Splitter->IsSplit())
-    {
-        m_NavigPan->Show();
-        m_HtmlWin->Show();
-        m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-    }
-
-    if (mode == wxHELP_SEARCH_ALL)
-    {
-        m_NavigNotebook->SetSelection(m_SearchPage);
-        m_SearchList->Clear();
-        m_SearchText->SetValue(keyword);
-        m_SearchButton->Disable();
-
-        if (m_SearchChoice->GetSelection() != 0)
-            book = m_SearchChoice->GetStringSelection();
-
-        wxHtmlSearchStatus status(m_Data, keyword,
-                                  m_SearchCaseSensitive->GetValue(),
-                                  m_SearchWholeWords->GetValue(),
-                                  book);
-
-#if wxUSE_PROGRESSDLG
-        wxProgressDialog progress(_("Searching..."),
-                                  _("No matching page found yet"),
-                                  status.GetMaxIndex(), this,
-                                  wxPD_APP_MODAL | wxPD_CAN_ABORT | wxPD_AUTO_HIDE);
-#endif
-
-        int curi;
-        while (status.IsActive())
-        {
-            curi = status.GetCurIndex();
-            if (curi % 32 == 0
-#if wxUSE_PROGRESSDLG
-                && !progress.Update(curi)
-#endif
-               )
-                break;
-            if (status.Search())
-            {
-                foundstr.Printf(_("Found %i matches"), ++foundcnt);
-#if wxUSE_PROGRESSDLG
-                progress.Update(status.GetCurIndex(), foundstr);
-#endif
-                m_SearchList->Append(status.GetName(), (void*)status.GetCurItem());
-            }
-        }
-
-        m_SearchButton->Enable();
-        m_SearchText->SetSelection(0, keyword.Length());
-        m_SearchText->SetFocus();
-    }
-    else if (mode == wxHELP_SEARCH_INDEX)
-    {
-        m_NavigNotebook->SetSelection(m_IndexPage);
-        m_IndexList->Clear();
-        m_IndexButton->Disable();
-        m_IndexButtonAll->Disable();
-        m_IndexText->SetValue(keyword);
-
-        wxCommandEvent dummy;
-        OnIndexFind(dummy); // what a hack...
-        m_IndexButton->Enable();
-        m_IndexButtonAll->Enable();
-        foundcnt = m_IndexList->GetCount();
-    }
-
-    if (foundcnt)
-    {
-        switch ( mode )
-        {
-            default:
-                wxFAIL_MSG( _T("unknown help search mode") );
-                // fall back
-
-            case wxHELP_SEARCH_ALL:
-            {
-                wxHtmlHelpDataItem *it =
-                    (wxHtmlHelpDataItem*) m_SearchList->GetClientData(0);
-                if (it)
-                {
-                    m_HtmlWin->LoadPage(it->GetFullPath());
-                    NotifyPageChanged();
-                }
-                break;
-            }
-
-            case wxHELP_SEARCH_INDEX:
-            {
-                wxHtmlHelpMergedIndexItem* it = 
-                    (wxHtmlHelpMergedIndexItem*) m_IndexList->GetClientData(0);
-                if (it)
-                    DisplayIndexItem(it);
-                break;
-            }
-        }
-
-    }
-
-    return foundcnt > 0;
-}
-
-void wxHtmlHelpFrame::CreateContents()
-{
-    if (! m_ContentsBox)
-        return ;
-
-    if (m_PagesHash)
-    {
-        WX_CLEAR_HASH_TABLE(*m_PagesHash);
-        delete m_PagesHash;
-    }
-    
-    const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
-    
-    size_t cnt = contents.size();
-
-    m_PagesHash = new wxHashTable(wxKEY_STRING, 2 * cnt);
-
-    const int MAX_ROOTS = 64;
-    wxTreeItemId roots[MAX_ROOTS];
-    // VS: this array holds information about whether we've set item icon at
-    //     given level. This is neccessary because m_Data has flat structure
-    //     and there's no way of recognizing if some item has subitems or not.
-    //     We set the icon later: when we find an item with level=n, we know
-    //     that the last item with level=n-1 was folder with subitems, so we
-    //     set its icon accordingly
-    bool imaged[MAX_ROOTS];
-    m_ContentsBox->DeleteAllItems();
-
-    roots[0] = m_ContentsBox->AddRoot(_("(Help)"));
-    imaged[0] = true;
-
-    for (size_t i = 0; i < cnt; i++)
-    {
-        wxHtmlHelpDataItem *it = &contents[i];
-        // Handle books:
-        if (it->level == 0)
-        {
-            if (m_hfStyle & wxHF_MERGE_BOOKS)
-                // VS: we don't want book nodes, books' content should
-                //    appear under tree's root. This line will create "fake"
-                //    record about book node so that the rest of this look
-                //    will believe there really _is_ book node and will
-                //    behave correctly.
-                roots[1] = roots[0];
-            else
-            {
-                roots[1] = m_ContentsBox->AppendItem(roots[0],
-                                         it->name, IMG_Book, -1,
-                                         new wxHtmlHelpTreeItemData(i));
-                m_ContentsBox->SetItemBold(roots[1], true);
-            }
-            imaged[1] = true;
-        }
-        // ...and their contents:
-        else
-        {
-            roots[it->level + 1] = m_ContentsBox->AppendItem(
-                                     roots[it->level], it->name, IMG_Page,
-                                     -1, new wxHtmlHelpTreeItemData(i));
-            imaged[it->level + 1] = false;
-        }
-
-        m_PagesHash->Put(it->GetFullPath(),
-                         new wxHtmlHelpHashData(i, roots[it->level + 1]));
-
-        // Set the icon for the node one level up in the hiearachy,
-        // unless already done (see comment above imaged[] declaration)
-        if (!imaged[it->level])
-        {
-            int image = IMG_Folder;
-            if (m_hfStyle & wxHF_ICONS_BOOK)
-                image = IMG_Book;
-            else if (m_hfStyle & wxHF_ICONS_BOOK_CHAPTER)
-                image = (it->level == 1) ? IMG_Book : IMG_Folder;
-            m_ContentsBox->SetItemImage(roots[it->level], image);
-            m_ContentsBox->SetItemImage(roots[it->level], image,
-                                        wxTreeItemIcon_Selected);
-            imaged[it->level] = true;
-        }
-    }
-}
-
-
-void wxHtmlHelpFrame::CreateIndex()
-{
-    if (! m_IndexList)
-        return ;
-
-    m_IndexList->Clear();
-
-    size_t cnt = m_mergedIndex->size();
-
-    wxString cnttext;
-    if (cnt > INDEX_IS_SMALL)
-        cnttext.Printf(_("%i of %i"), 0, cnt);
-    else
-        cnttext.Printf(_("%i of %i"), cnt, cnt);
-    m_IndexCountInfo->SetLabel(cnttext);
-    if (cnt > INDEX_IS_SMALL)
-        return;
-
-    for (size_t i = 0; i < cnt; i++)
-        m_IndexList->Append((*m_mergedIndex)[i].name,
-                            (char*)(&(*m_mergedIndex)[i]));
-}
-
-void wxHtmlHelpFrame::CreateSearch()
-{
-    if (! (m_SearchList && m_SearchChoice))
-        return ;
-    m_SearchList->Clear();
-    m_SearchChoice->Clear();
-    m_SearchChoice->Append(_("Search in all books"));
-    const wxHtmlBookRecArray& bookrec = m_Data->GetBookRecArray();
-    int i, cnt = bookrec.GetCount();
-    for (i = 0; i < cnt; i++)
-        m_SearchChoice->Append(bookrec[i].GetTitle());
-    m_SearchChoice->SetSelection(0);
-}
-
-
-void wxHtmlHelpFrame::RefreshLists()
-{
-    // Update m_mergedIndex:
-    UpdateMergedIndex();
-    // Update the controls
-    CreateContents();
-    CreateIndex();
-    CreateSearch();
-}
-
-void wxHtmlHelpFrame::ReadCustomization(wxConfigBase *cfg, const wxString& path)
-{
-    wxString oldpath;
-    wxString tmp;
-
-    if (path != wxEmptyString)
-    {
-        oldpath = cfg->GetPath();
-        cfg->SetPath(_T("/") + path);
-    }
-
-    m_Cfg.navig_on = cfg->Read(wxT("hcNavigPanel"), m_Cfg.navig_on) != 0;
-    m_Cfg.sashpos = cfg->Read(wxT("hcSashPos"), m_Cfg.sashpos);
-    m_Cfg.x = cfg->Read(wxT("hcX"), m_Cfg.x);
-    m_Cfg.y = cfg->Read(wxT("hcY"), m_Cfg.y);
-    m_Cfg.w = cfg->Read(wxT("hcW"), m_Cfg.w);
-    m_Cfg.h = cfg->Read(wxT("hcH"), m_Cfg.h);
-
-    m_FixedFace = cfg->Read(wxT("hcFixedFace"), m_FixedFace);
-    m_NormalFace = cfg->Read(wxT("hcNormalFace"), m_NormalFace);
-    m_FontSize = cfg->Read(wxT("hcBaseFontSize"), m_FontSize);
-
-    {
-        int i;
-        int cnt;
-        wxString val, s;
-
-        cnt = cfg->Read(wxT("hcBookmarksCnt"), 0L);
-        if (cnt != 0)
-        {
-            m_BookmarksNames.Clear();
-            m_BookmarksPages.Clear();
-            if (m_Bookmarks)
-            {
-                m_Bookmarks->Clear();
-                m_Bookmarks->Append(_("(bookmarks)"));
-            }
-
-            for (i = 0; i < cnt; i++)
-            {
-                val.Printf(wxT("hcBookmark_%i"), i);
-                s = cfg->Read(val);
-                m_BookmarksNames.Add(s);
-                if (m_Bookmarks) m_Bookmarks->Append(s);
-                val.Printf(wxT("hcBookmark_%i_url"), i);
-                s = cfg->Read(val);
-                m_BookmarksPages.Add(s);
-            }
-        }
-    }
-
-    if (m_HtmlWin)
-        m_HtmlWin->ReadCustomization(cfg);
-
-    if (path != wxEmptyString)
-        cfg->SetPath(oldpath);
-}
-
-void wxHtmlHelpFrame::WriteCustomization(wxConfigBase *cfg, const wxString& path)
-{
-    wxString oldpath;
-    wxString tmp;
-
-    if (path != wxEmptyString)
-    {
-        oldpath = cfg->GetPath();
-        cfg->SetPath(_T("/") + path);
-    }
-
-    cfg->Write(wxT("hcNavigPanel"), m_Cfg.navig_on);
-    cfg->Write(wxT("hcSashPos"), (long)m_Cfg.sashpos);
-    if ( !IsIconized() )
-    {
-        //  Don't write if iconized as this would make the window
-        //  disappear next time it is shown!
-        cfg->Write(wxT("hcX"), (long)m_Cfg.x);
-        cfg->Write(wxT("hcY"), (long)m_Cfg.y);
-        cfg->Write(wxT("hcW"), (long)m_Cfg.w);
-        cfg->Write(wxT("hcH"), (long)m_Cfg.h);
-    }
-    cfg->Write(wxT("hcFixedFace"), m_FixedFace);
-    cfg->Write(wxT("hcNormalFace"), m_NormalFace);
-    cfg->Write(wxT("hcBaseFontSize"), (long)m_FontSize);
-
-    if (m_Bookmarks)
-    {
-        int i;
-        int cnt = m_BookmarksNames.GetCount();
-        wxString val;
-
-        cfg->Write(wxT("hcBookmarksCnt"), (long)cnt);
-        for (i = 0; i < cnt; i++)
-        {
-            val.Printf(wxT("hcBookmark_%i"), i);
-            cfg->Write(val, m_BookmarksNames[i]);
-            val.Printf(wxT("hcBookmark_%i_url"), i);
-            cfg->Write(val, m_BookmarksPages[i]);
-        }
-    }
-
-    if (m_HtmlWin)
-        m_HtmlWin->WriteCustomization(cfg);
-
-    if (path != wxEmptyString)
-        cfg->SetPath(oldpath);
-}
-
-
-
-
-
-static void SetFontsToHtmlWin(wxHtmlWindow *win, wxString scalf, wxString fixf, int size)
-{
-    int f_sizes[7];
-    f_sizes[0] = int(size * 0.6);
-    f_sizes[1] = int(size * 0.8);
-    f_sizes[2] = size;
-    f_sizes[3] = int(size * 1.2);
-    f_sizes[4] = int(size * 1.4);
-    f_sizes[5] = int(size * 1.6);
-    f_sizes[6] = int(size * 1.8);
-
-    win->SetFonts(scalf, fixf, f_sizes);
-}
-
-
-class wxHtmlHelpFrameOptionsDialog : public wxDialog
-{
-public:
-    wxComboBox *NormalFont, *FixedFont;
-    wxSpinCtrl *FontSize;
-    wxHtmlWindow *TestWin;
-
-    wxHtmlHelpFrameOptionsDialog(wxWindow *parent)
-        : wxDialog(parent, wxID_ANY, wxString(_("Help Browser Options")))
-    {
-        wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
-        wxFlexGridSizer *sizer = new wxFlexGridSizer(2, 3, 2, 5);
-
-        sizer->Add(new wxStaticText(this, wxID_ANY, _("Normal font:")));
-        sizer->Add(new wxStaticText(this, wxID_ANY, _("Fixed font:")));
-        sizer->Add(new wxStaticText(this, wxID_ANY, _("Font size:")));
-
-        sizer->Add(NormalFont = new wxComboBox(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
-                      wxSize(200, -1),
-                      0, NULL, wxCB_DROPDOWN | wxCB_READONLY));
-
-        sizer->Add(FixedFont = new wxComboBox(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
-                      wxSize(200, -1),
-                      0, NULL, wxCB_DROPDOWN | wxCB_READONLY));
-
-        sizer->Add(FontSize = new wxSpinCtrl(this, wxID_ANY));
-        FontSize->SetRange(2, 100);
-
-        topsizer->Add(sizer, 0, wxLEFT|wxRIGHT|wxTOP, 10);
-
-        topsizer->Add(new wxStaticText(this, wxID_ANY, _("Preview:")),
-                        0, wxLEFT | wxTOP, 10);
-        topsizer->Add(TestWin = new wxHtmlWindow(this, wxID_ANY, wxDefaultPosition, wxSize(20, 150),
-                                                 wxHW_SCROLLBAR_AUTO | wxSUNKEN_BORDER),
-                        1, wxEXPAND | wxLEFT|wxTOP|wxRIGHT, 10);
-
-        wxBoxSizer *sizer2 = new wxBoxSizer(wxHORIZONTAL);
-        wxButton *ok;
-        sizer2->Add(ok = new wxButton(this, wxID_OK, _("OK")), 0, wxALL, 10);
-        ok->SetDefault();
-        sizer2->Add(new wxButton(this, wxID_CANCEL, _("Cancel")), 0, wxALL, 10);
-        topsizer->Add(sizer2, 0, wxALIGN_RIGHT);
-
-        SetSizer(topsizer);
-        topsizer->Fit(this);
-        Centre(wxBOTH);
-    }
-
-
-    void UpdateTestWin()
-    {
-        wxBusyCursor bcur;
-        SetFontsToHtmlWin(TestWin,
-                          NormalFont->GetStringSelection(),
-                          FixedFont->GetStringSelection(),
-                          FontSize->GetValue());
-
-        wxString content(_("font size"));
-
-        content = _T("<font size=-2>") + content + _T(" -2</font><br>")
-                  _T("<font size=-1>") + content + _T(" -1</font><br>")
-                  _T("<font size=+0>") + content + _T(" +0</font><br>")
-                  _T("<font size=+1>") + content + _T(" +1</font><br>")
-                  _T("<font size=+2>") + content + _T(" +2</font><br>")
-                  _T("<font size=+3>") + content + _T(" +3</font><br>")
-                  _T("<font size=+4>") + content + _T(" +4</font><br>") ;
-
-        content = wxString( _T("<html><body><table><tr><td>") ) +
-                  _("Normal face<br>and <u>underlined</u>. ") +
-                  _("<i>Italic face.</i> ") +
-                  _("<b>Bold face.</b> ") +
-                  _("<b><i>Bold italic face.</i></b><br>") +
-                  content +
-                  wxString( _T("</td><td><tt>") ) +
-                  _("Fixed size face.<br> <b>bold</b> <i>italic</i> ") +
-                  _("<b><i>bold italic <u>underlined</u></i></b><br>") +
-                  content +
-                  _T("</tt></td></tr></table></body></html>");
-
-        TestWin->SetPage( content );
-    }
-
-    void OnUpdate(wxCommandEvent& WXUNUSED(event))
-    {
-        UpdateTestWin();
-    }
-    void OnUpdateSpin(wxSpinEvent& WXUNUSED(event))
-    {
-        UpdateTestWin();
-    }
-
-    DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(wxHtmlHelpFrameOptionsDialog)
-};
-
-BEGIN_EVENT_TABLE(wxHtmlHelpFrameOptionsDialog, wxDialog)
-    EVT_COMBOBOX(wxID_ANY, wxHtmlHelpFrameOptionsDialog::OnUpdate)
-    EVT_SPINCTRL(wxID_ANY, wxHtmlHelpFrameOptionsDialog::OnUpdateSpin)
-END_EVENT_TABLE()
-
-void wxHtmlHelpFrame::OptionsDialog()
-{
-    wxHtmlHelpFrameOptionsDialog dlg(this);
-    unsigned i;
-
-    if (m_NormalFonts == NULL)
-    {
-        wxFontEnumerator enu;
-        enu.EnumerateFacenames();
-        m_NormalFonts = new wxArrayString;
-        *m_NormalFonts = *enu.GetFacenames();
-        m_NormalFonts->Sort(wxStringSortAscending);
-    }
-    if (m_FixedFonts == NULL)
-    {
-        wxFontEnumerator enu;
-        enu.EnumerateFacenames(wxFONTENCODING_SYSTEM, true /*enum fixed width only*/);
-        m_FixedFonts = new wxArrayString;
-        *m_FixedFonts = *enu.GetFacenames();
-        m_FixedFonts->Sort(wxStringSortAscending);
-    }
-
-    // VS: We want to show the font that is actually used by wxHtmlWindow.
-    //     If customization dialog wasn't used yet, facenames are empty and
-    //     wxHtmlWindow uses default fonts -- let's find out what they
-    //     are so that we can pass them to the dialog:
-    if (m_NormalFace.empty())
-    {
-        wxFont fnt(m_FontSize, wxSWISS, wxNORMAL, wxNORMAL, false);
-        m_NormalFace = fnt.GetFaceName();
-    }
-    if (m_FixedFace.empty())
-    {
-        wxFont fnt(m_FontSize, wxMODERN, wxNORMAL, wxNORMAL, false);
-        m_FixedFace = fnt.GetFaceName();
-    }
-
-    for (i = 0; i < m_NormalFonts->GetCount(); i++)
-        dlg.NormalFont->Append((*m_NormalFonts)[i]);
-    for (i = 0; i < m_FixedFonts->GetCount(); i++)
-        dlg.FixedFont->Append((*m_FixedFonts)[i]);
-    if (!m_NormalFace.empty())
-        dlg.NormalFont->SetStringSelection(m_NormalFace);
-    else
-        dlg.NormalFont->SetSelection(0);
-    if (!m_FixedFace.empty())
-        dlg.FixedFont->SetStringSelection(m_FixedFace);
-    else
-        dlg.FixedFont->SetSelection(0);
-    dlg.FontSize->SetValue(m_FontSize);
-    dlg.UpdateTestWin();
-
-    if (dlg.ShowModal() == wxID_OK)
-    {
-        m_NormalFace = dlg.NormalFont->GetStringSelection();
-        m_FixedFace = dlg.FixedFont->GetStringSelection();
-        m_FontSize = dlg.FontSize->GetValue();
-        SetFontsToHtmlWin(m_HtmlWin, m_NormalFace, m_FixedFace, m_FontSize);
-    }
-}
-
-
-
-void wxHtmlHelpFrame::NotifyPageChanged()
-{
-    if (m_UpdateContents && m_PagesHash)
-    {
-        wxString an = m_HtmlWin->GetOpenedAnchor();
-        wxHtmlHelpHashData *ha;
-        if (an.IsEmpty())
-            ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage());
-        else
-            ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage() + wxT("#") + an);
-        if (ha)
-        {
-            bool olduc = m_UpdateContents;
-            m_UpdateContents = false;
-            m_ContentsBox->SelectItem(ha->m_Id);
-            m_ContentsBox->EnsureVisible(ha->m_Id);
-            m_UpdateContents = olduc;
-        }
-    }
-}
-
-
-
 /*
 EVENT HANDLING :
 */
@@ -1358,383 +159,70 @@ void wxHtmlHelpFrame::OnActivate(wxActivateEvent& event)
 #ifndef __WXGTK__
     // NB: wxActivateEvent is a bit broken in wxGTK
     //     and is sometimes sent when it should not be
-    if (event.GetActive() && m_HtmlWin)
-        m_HtmlWin->SetFocus();
+    if (event.GetActive() && m_HtmlHelpWin)
+        m_HtmlHelpWin->GetHtmlWindow()->SetFocus();
 #endif
 
     event.Skip();
 }
 
-void wxHtmlHelpFrame::OnToolbar(wxCommandEvent& event)
+void wxHtmlHelpFrame::OnCloseWindow(wxCloseEvent& evt)
 {
-    switch (event.GetId())
+    if (!IsIconized())
     {
-        case wxID_HTML_BACK :
-            m_HtmlWin->HistoryBack();
-            NotifyPageChanged();
-            break;
-
-        case wxID_HTML_FORWARD :
-            m_HtmlWin->HistoryForward();
-            NotifyPageChanged();
-            break;
-
-        case wxID_HTML_UP :
-            if (m_PagesHash)
-            {
-                wxString an = m_HtmlWin->GetOpenedAnchor();
-                wxHtmlHelpHashData *ha;
-                if (an.IsEmpty())
-                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage());
-                else
-                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage() + wxT("#") + an);
-                if (ha && ha->m_Index > 0)
-                {
-                    const wxHtmlHelpDataItem& it = m_Data->GetContentsArray()[ha->m_Index - 1];
-                    if (!it.page.empty())
-                    {
-                        m_HtmlWin->LoadPage(it.GetFullPath());
-                        NotifyPageChanged();
-                    }
-                }
-            }
-            break;
-
-        case wxID_HTML_UPNODE :
-            if (m_PagesHash)
-            {
-                wxString an = m_HtmlWin->GetOpenedAnchor();
-                wxHtmlHelpHashData *ha;
-                if (an.IsEmpty())
-                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage());
-                else
-                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(m_HtmlWin->GetOpenedPage() + wxT("#") + an);
-                if (ha && ha->m_Index > 0)
-                {
-                    int level = 
-                        m_Data->GetContentsArray()[ha->m_Index].level - 1;
-                    int ind = ha->m_Index - 1;
-
-                    const wxHtmlHelpDataItem *it = 
-                        &m_Data->GetContentsArray()[ind];
-                    while (ind >= 0 && it->level != level)
-                    {
-                        ind--;
-                        it = &m_Data->GetContentsArray()[ind];
-                    }
-                    if (ind >= 0)
-                    {
-                        if (!it->page.empty())
-                        {
-                            m_HtmlWin->LoadPage(it->GetFullPath());
-                            NotifyPageChanged();
-                        }
-                    }
-                }
-            }
-            break;
-
-        case wxID_HTML_DOWN :
-            if (m_PagesHash)
-            {
-                wxString an = m_HtmlWin->GetOpenedAnchor();
-                wxString adr;
-                wxHtmlHelpHashData *ha;
-
-                if (an.IsEmpty()) adr = m_HtmlWin->GetOpenedPage();
-                else adr = m_HtmlWin->GetOpenedPage() + wxT("#") + an;
-
-                ha = (wxHtmlHelpHashData*) m_PagesHash->Get(adr);
-
-                const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
-                if (ha && ha->m_Index < (int)contents.size() - 1)
-                {
-                    size_t idx = ha->m_Index + 1;
-
-                    while (contents[idx].GetFullPath() == adr) idx++;
-
-                    if (!contents[idx].page.empty())
-                    {
-                        m_HtmlWin->LoadPage(contents[idx].GetFullPath());
-                        NotifyPageChanged();
-                    }
-                }
-            }
-            break;
-
-        case wxID_HTML_PANEL :
-            {
-                if (! (m_Splitter && m_NavigPan))
-                    return ;
-                if (m_Splitter->IsSplit())
-                {
-                    m_Cfg.sashpos = m_Splitter->GetSashPosition();
-                    m_Splitter->Unsplit(m_NavigPan);
-                    m_Cfg.navig_on = false;
-                }
-                else
-                {
-                    m_NavigPan->Show();
-                    m_HtmlWin->Show();
-                    m_Splitter->SplitVertically(m_NavigPan, m_HtmlWin, m_Cfg.sashpos);
-                    m_Cfg.navig_on = true;
-                }
-            }
-            break;
-
-        case wxID_HTML_OPTIONS :
-            OptionsDialog();
-            break;
-
-        case wxID_HTML_BOOKMARKSADD :
-            {
-                wxString item;
-                wxString url;
-
-                item = m_HtmlWin->GetOpenedPageTitle();
-                url = m_HtmlWin->GetOpenedPage();
-                if (item == wxEmptyString)
-                    item = url.AfterLast(wxT('/'));
-                if (m_BookmarksPages.Index(url) == wxNOT_FOUND)
-                {
-                    m_Bookmarks->Append(item);
-                    m_BookmarksNames.Add(item);
-                    m_BookmarksPages.Add(url);
-                }
-            }
-            break;
-
-        case wxID_HTML_BOOKMARKSREMOVE :
-            {
-                wxString item;
-                int pos;
-
-                item = m_Bookmarks->GetStringSelection();
-                pos = m_BookmarksNames.Index(item);
-                if (pos != wxNOT_FOUND)
-                {
-                    m_BookmarksNames.RemoveAt(pos);
-                    m_BookmarksPages.RemoveAt(pos);
-                    m_Bookmarks->Delete(m_Bookmarks->GetSelection());
-                }
-            }
-            break;
-
-#if wxUSE_PRINTING_ARCHITECTURE
-        case wxID_HTML_PRINT :
-            {
-                if (m_Printer == NULL)
-                    m_Printer = new wxHtmlEasyPrinting(_("Help Printing"), this);
-                if (!m_HtmlWin->GetOpenedPage())
-                    wxLogWarning(_("Cannot print empty page."));
-                else
-                    m_Printer->PrintFile(m_HtmlWin->GetOpenedPage());
-            }
-            break;
-#endif
-
-        case wxID_HTML_OPENFILE :
-            {
-                wxString filemask = wxString(
-                    _("HTML files (*.html;*.htm)|*.html;*.htm|")) +
-                    _("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|") +
-                    _("HTML Help Project (*.hhp)|*.hhp|") +
-#if wxUSE_LIBMSPACK
-                    _("Compressed HTML Help file (*.chm)|*.chm|") +
-#endif
-                    _("All files (*.*)|*");
-                wxString s = wxFileSelector(_("Open HTML document"),
-                                            wxEmptyString,
-                                            wxEmptyString,
-                                            wxEmptyString,
-                                            filemask,
-                                            wxOPEN | wxFILE_MUST_EXIST,
-                                            this);
-                if (!s.IsEmpty())
-                {
-                    wxString ext = s.Right(4).Lower();
-                    if (ext == _T(".zip") || ext == _T(".htb") ||
-#if wxUSE_LIBMSPACK
-                        ext == _T(".chm") ||
-#endif
-                        ext == _T(".hhp"))
-                    {
-                        wxBusyCursor bcur;
-                        m_Data->AddBook(s);
-                        RefreshLists();
-                    }
-                    else
-                        m_HtmlWin->LoadPage(s);
-                }
-            }
-            break;
+        GetSize(& (m_HtmlHelpWin->GetCfgData().w), &(m_HtmlHelpWin->GetCfgData().h));
+        GetPosition(& (m_HtmlHelpWin->GetCfgData().x), & (m_HtmlHelpWin->GetCfgData().y));
     }
-}
-
-
 
-void wxHtmlHelpFrame::OnContentsSel(wxTreeEvent& event)
-{
-    wxHtmlHelpTreeItemData *pg;
-
-    pg = (wxHtmlHelpTreeItemData*) m_ContentsBox->GetItemData(event.GetItem());
-
-    if (pg && m_UpdateContents)
+#ifdef __WXGTK__
+    if (IsGrabbed())
     {
-        const wxHtmlHelpDataItems& contents = m_Data->GetContentsArray();
-        m_UpdateContents = false;
-        if (!contents[pg->m_Id].page.empty())
-            m_HtmlWin->LoadPage(contents[pg->m_Id].GetFullPath());
-        m_UpdateContents = true;
+        RemoveGrab();
     }
-}
-
-
-
-void wxHtmlHelpFrame::OnIndexSel(wxCommandEvent& WXUNUSED(event))
-{
-    wxHtmlHelpMergedIndexItem *it = (wxHtmlHelpMergedIndexItem*) 
-        m_IndexList->GetClientData(m_IndexList->GetSelection());
-    if (it)
-        DisplayIndexItem(it);
-}
+#endif
 
+    if (m_HtmlHelpWin->GetSplitterWindow() && m_HtmlHelpWin->GetCfgData().navig_on)
+        m_HtmlHelpWin->GetCfgData().sashpos = m_HtmlHelpWin->GetSplitterWindow()->GetSashPosition();
 
-void wxHtmlHelpFrame::OnIndexFind(wxCommandEvent& event)
-{
-    wxString sr = m_IndexText->GetLineText(0);
-    sr.MakeLower();
-    if (sr == wxEmptyString)
+    if (m_helpController && m_helpController->IsKindOf(CLASSINFO(wxHtmlHelpController)))
     {
-        OnIndexAll(event);
+        ((wxHtmlHelpController*) m_helpController)->OnCloseFrame(evt);
     }
-    else
-    {
-        wxBusyCursor bcur;
-
-        m_IndexList->Clear();
-        const wxHtmlHelpMergedIndex& index = *m_mergedIndex;
-        size_t cnt = index.size();
-
-        int displ = 0;
-        for (size_t i = 0; i < cnt; i++)
-        {
-            if (index[i].name.Lower().find(sr) != wxString::npos)
-            {
-                int pos = m_IndexList->Append(index[i].name,
-                                              (char*)(&index[i]));
-
-                if (displ++ == 0)
-                {
-                    m_IndexList->SetSelection(0);
-                    DisplayIndexItem(&index[i]);
-                }
-
-                // if this is nested item of the index, show its parent(s)
-                // as well, otherwise it would not be clear what entry is
-                // shown:
-                wxHtmlHelpMergedIndexItem *parent = index[i].parent;
-                while (parent)
-                {
-                    if (pos == 0 || 
-                        (index.Index(*(wxHtmlHelpMergedIndexItem*)m_IndexList->GetClientData(pos-1))) < index.Index(*parent))
-                    {
-                        m_IndexList->Insert(parent->name,
-                                            pos, (char*)parent);
-                        parent = parent->parent;
-                    }
-                    else break;
-                }
-            }
-        }
 
-        wxString cnttext;
-        cnttext.Printf(_("%i of %i"), displ, cnt);
-        m_IndexCountInfo->SetLabel(cnttext);
-
-        m_IndexText->SetSelection(0, sr.Length());
-        m_IndexText->SetFocus();
-    }
+    evt.Skip();
 }
 
-void wxHtmlHelpFrame::OnIndexAll(wxCommandEvent& WXUNUSED(event))
+// Make the help controller's frame 'modal' if
+// needed
+void wxHtmlHelpFrame::AddGrabIfNeeded()
 {
-    wxBusyCursor bcur;
-
-    m_IndexList->Clear();
-    const wxHtmlHelpMergedIndex& index = *m_mergedIndex;
-    size_t cnt = index.size();
-    bool first = true;
+    // So far, wxGTK only
+#ifdef __WXGTK__
+    bool needGrab = false;
 
-    for (size_t i = 0; i < cnt; i++)
+    // Check if there are any modal windows present,
+    // in which case we need to add a grab.
+    for ( wxWindowList::iterator it = wxTopLevelWindows.begin();
+          it != wxTopLevelWindows.end();
+          ++it )
     {
-        m_IndexList->Append(index[i].name, (char*)(&index[i]));
-        if (first)
-        {
-            DisplayIndexItem(&index[i]);
-            first = false;
-        }
-    }
-
-    wxString cnttext;
-    cnttext.Printf(_("%i of %i"), cnt, cnt);
-    m_IndexCountInfo->SetLabel(cnttext);
-}
-
+        wxWindow *win = *it;
+        wxDialog *dialog = wxDynamicCast(win, wxDialog);
 
-void wxHtmlHelpFrame::OnSearchSel(wxCommandEvent& WXUNUSED(event))
-{
-    wxHtmlHelpDataItem *it = (wxHtmlHelpDataItem*) m_SearchList->GetClientData(m_SearchList->GetSelection());
-    if (it)
-    {
-        if (!it->page.empty())
-            m_HtmlWin->LoadPage(it->GetFullPath());
-        NotifyPageChanged();
+        if (dialog && dialog->IsModal())
+            needGrab = true;
     }
-}
-
-void wxHtmlHelpFrame::OnSearch(wxCommandEvent& WXUNUSED(event))
-{
-    wxString sr = m_SearchText->GetLineText(0);
 
-    if (!sr.empty())
-        KeywordSearch(sr, wxHELP_SEARCH_ALL);
+    if (needGrab)
+        AddGrab();
+#endif // __WXGTK__
 }
 
-void wxHtmlHelpFrame::OnBookmarksSel(wxCommandEvent& WXUNUSED(event))
-{
-    wxString sr = m_Bookmarks->GetStringSelection();
-
-    if (sr != wxEmptyString && sr != _("(bookmarks)"))
-    {
-       m_HtmlWin->LoadPage(m_BookmarksPages[m_BookmarksNames.Index(sr)]);
-       NotifyPageChanged();
-    }
-}
-
-void wxHtmlHelpFrame::OnCloseWindow(wxCloseEvent& evt)
+// For compatibility
+void wxHtmlHelpFrame::UseConfig(wxConfigBase *config, const wxString& rootPath)
 {
-    GetSize(&m_Cfg.w, &m_Cfg.h);
-    GetPosition(&m_Cfg.x, &m_Cfg.y);
-
-#ifdef __WXGTK__
-    if (IsGrabbed())
-    {
-        RemoveGrab();
-    }
-#endif
-
-    if (m_Splitter && m_Cfg.navig_on) m_Cfg.sashpos = m_Splitter->GetSashPosition();
-
-    if (m_Config)
-        WriteCustomization(m_Config, m_ConfigRoot);
-
-    if (m_helpController && m_helpController->IsKindOf(CLASSINFO(wxHtmlHelpController)))
-    {
-        ((wxHtmlHelpController*) m_helpController)->OnCloseFrame(evt);
-    }
-
-    evt.Skip();
+    if (m_HtmlHelpWin)
+        m_HtmlHelpWin->UseConfig(config, rootPath);
 }
 
 #ifdef __WXMAC__
@@ -1745,32 +233,16 @@ void wxHtmlHelpFrame::OnClose(wxCommandEvent& event)
 
 void wxHtmlHelpFrame::OnAbout(wxCommandEvent& event)
 {
-    wxMessageBox(wxT("wxWidgets HTML Help Viewer (c) 1998-2004, Vaclav Slavik et al"), wxT("HelpView"),
+    wxMessageBox(wxT("wxWidgets HTML Help Viewer (c) 1998-2006, Vaclav Slavik et al"), wxT("HelpView"),
         wxICON_INFORMATION|wxOK, this);
 }
 #endif
 
-BEGIN_EVENT_TABLE(wxHtmlHelpFrame, wxFrame)
-    EVT_ACTIVATE(wxHtmlHelpFrame::OnActivate)
-    EVT_TOOL_RANGE(wxID_HTML_PANEL, wxID_HTML_OPTIONS, wxHtmlHelpFrame::OnToolbar)
-    EVT_BUTTON(wxID_HTML_BOOKMARKSREMOVE, wxHtmlHelpFrame::OnToolbar)
-    EVT_BUTTON(wxID_HTML_BOOKMARKSADD, wxHtmlHelpFrame::OnToolbar)
-    EVT_TREE_SEL_CHANGED(wxID_HTML_TREECTRL, wxHtmlHelpFrame::OnContentsSel)
-    EVT_LISTBOX(wxID_HTML_INDEXLIST, wxHtmlHelpFrame::OnIndexSel)
-    EVT_LISTBOX(wxID_HTML_SEARCHLIST, wxHtmlHelpFrame::OnSearchSel)
-    EVT_BUTTON(wxID_HTML_SEARCHBUTTON, wxHtmlHelpFrame::OnSearch)
-    EVT_TEXT_ENTER(wxID_HTML_SEARCHTEXT, wxHtmlHelpFrame::OnSearch)
-    EVT_BUTTON(wxID_HTML_INDEXBUTTON, wxHtmlHelpFrame::OnIndexFind)
-    EVT_TEXT_ENTER(wxID_HTML_INDEXTEXT, wxHtmlHelpFrame::OnIndexFind)
-    EVT_BUTTON(wxID_HTML_INDEXBUTTONALL, wxHtmlHelpFrame::OnIndexAll)
-    EVT_COMBOBOX(wxID_HTML_BOOKMARKSLIST, wxHtmlHelpFrame::OnBookmarksSel)
-    EVT_CLOSE(wxHtmlHelpFrame::OnCloseWindow)
-#ifdef __WXMAC__
-    EVT_MENU(wxID_CLOSE, wxHtmlHelpFrame::OnClose)
-    EVT_MENU(wxID_ABOUT, wxHtmlHelpFrame::OnAbout)
-#endif
-
-END_EVENT_TABLE()
+// we don't want to prevent the app from closing just because a help window
+// remains opened
+bool wxHtmlHelpFrame::ShouldPreventAppExit() const
+{
+    return (wx_const_cast(wxHtmlHelpFrame*, this) == wxTheApp->GetTopWindow());
+}
 
 #endif // wxUSE_WXHTML_HELP
-