]> git.saurik.com Git - wxWidgets.git/blobdiff - src/html/helpwin.cpp
Moved wxHtmlHelpFrame functionality to wxHtmlHelpWindow to allow
[wxWidgets.git] / src / html / helpwin.cpp
diff --git a/src/html/helpwin.cpp b/src/html/helpwin.cpp
new file mode 100644 (file)
index 0000000..3dcc4b7
--- /dev/null
@@ -0,0 +1,1757 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        helpwin.cpp
+// Purpose:     wxHtmlHelpWindow
+// Notes:       Based on htmlhelp.cpp, implementing a monolithic
+//              HTML Help controller class,  by Vaclav Slavik
+// Author:      Harm van der Heijden and Vaclav Slavik
+// RCS-ID:      $Id$
+// Copyright:   (c) Harm van der Heijden and Vaclav Slavik
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx.h"
+
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#if wxUSE_WXHTML_HELP
+
+#ifndef WXPRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+
+    #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/msgdlg.h"
+#endif
+
+#include "wx/html/helpfrm.h"
+#include "wx/html/helpdlg.h"
+#include "wx/html/helpctrl.h"
+#include "wx/textctrl.h"
+#include "wx/notebook.h"
+#include "wx/imaglist.h"
+#include "wx/treectrl.h"
+#include "wx/tokenzr.h"
+#include "wx/wfstream.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"
+#include "wx/settings.h"
+
+// what is considered "small index"?
+#define INDEX_IS_SMALL 100
+
+/* Motif defines this as a macro */
+#ifdef Below
+#undef Below
+#endif
+
+//--------------------------------------------------------------------------
+// wxHtmlHelpTreeItemData (private)
+//--------------------------------------------------------------------------
+
+class wxHtmlHelpTreeItemData : public wxTreeItemData
+{
+    public:
+#if defined(__VISAGECPP__)
+//  VA needs a default ctor for some reason....
+        wxHtmlHelpTreeItemData() : wxTreeItemData()
+            { m_Id = 0; }
+#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)
+//--------------------------------------------------------------------------
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTMLWINDOW_URL_CLICKED)
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindowEvent, wxNotifyEvent)
+
+class wxHtmlHelpHtmlWindow : public wxHtmlWindow
+{
+    public:
+        wxHtmlHelpHtmlWindow(wxHtmlHelpWindow *win, wxWindow *parent)
+            : wxHtmlWindow(parent), m_Window(win)
+        {
+            SetStandardFonts();
+        }
+
+        virtual void OnLinkClicked(const wxHtmlLinkInfo& link)
+        {
+            wxHtmlWindowEvent event(wxEVT_COMMAND_HTMLWINDOW_URL_CLICKED, GetId());
+            event.SetURL(link.GetHref());
+            if (!ProcessEvent(event))
+            {
+                wxHtmlWindow::OnLinkClicked(link);
+            }
+            const wxMouseEvent *e = link.GetEvent();
+            if (e == NULL || e->LeftUp())
+                m_Window->NotifyPageChanged();
+        }
+
+        // Returns full location with anchor (helper)
+        static wxString GetOpenedPageWithAnchor(wxHtmlWindow *win)
+        {
+            if(!win)
+                return wxEmptyString;
+
+            wxString an = win->GetOpenedAnchor();
+            wxString pg = win->GetOpenedPage();
+            if(!an.empty())
+            {
+                pg << wxT("#");
+                pg << an;
+            }
+            return pg;
+        }
+
+    private:
+        wxHtmlHelpWindow *m_Window;
+
+    DECLARE_NO_COPY_CLASS(wxHtmlHelpHtmlWindow)
+};
+
+
+//---------------------------------------------------------------------------
+// wxHtmlHelpWindow::m_mergedIndex
+//---------------------------------------------------------------------------
+
+WX_DEFINE_ARRAY_PTR(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 wxHtmlHelpWindow::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);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------
+// wxHtmlHelpWindow
+//---------------------------------------------------------------------------
+
+// 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(wxHtmlHelpWindow, wxWindow)
+
+BEGIN_EVENT_TABLE(wxHtmlHelpWindow, wxWindow)
+    EVT_TOOL_RANGE(wxID_HTML_PANEL, wxID_HTML_OPTIONS, wxHtmlHelpWindow::OnToolbar)
+    EVT_BUTTON(wxID_HTML_BOOKMARKSREMOVE, wxHtmlHelpWindow::OnToolbar)
+    EVT_BUTTON(wxID_HTML_BOOKMARKSADD, wxHtmlHelpWindow::OnToolbar)
+    EVT_TREE_SEL_CHANGED(wxID_HTML_TREECTRL, wxHtmlHelpWindow::OnContentsSel)
+    EVT_LISTBOX(wxID_HTML_INDEXLIST, wxHtmlHelpWindow::OnIndexSel)
+    EVT_LISTBOX(wxID_HTML_SEARCHLIST, wxHtmlHelpWindow::OnSearchSel)
+    EVT_BUTTON(wxID_HTML_SEARCHBUTTON, wxHtmlHelpWindow::OnSearch)
+    EVT_TEXT_ENTER(wxID_HTML_SEARCHTEXT, wxHtmlHelpWindow::OnSearch)
+    EVT_BUTTON(wxID_HTML_INDEXBUTTON, wxHtmlHelpWindow::OnIndexFind)
+    EVT_TEXT_ENTER(wxID_HTML_INDEXTEXT, wxHtmlHelpWindow::OnIndexFind)
+    EVT_BUTTON(wxID_HTML_INDEXBUTTONALL, wxHtmlHelpWindow::OnIndexAll)
+    EVT_COMBOBOX(wxID_HTML_BOOKMARKSLIST, wxHtmlHelpWindow::OnBookmarksSel)
+    EVT_SIZE(wxHtmlHelpWindow::OnSize)
+END_EVENT_TABLE()
+
+wxHtmlHelpWindow::wxHtmlHelpWindow(wxWindow* parent, wxWindowID id,
+                                    const wxPoint& pos,
+                                    const wxSize& size,
+                                    int style, int helpStyle, wxHtmlHelpData* data)
+{
+    Init(data);
+    Create(parent, id, pos, size, style, helpStyle);
+}
+
+void wxHtmlHelpWindow::Init(wxHtmlHelpData* data)
+{
+    if (data)
+    {
+        m_Data = data;
+        m_DataCreated = false;
+    }
+    else
+    {
+        m_Data = new wxHtmlHelpData();
+        m_DataCreated = true;
+    }
+
+    m_ContentsPage = 0;
+    m_IndexPage = 0;
+    m_SearchPage = 0;
+
+    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 = wxDefaultCoord;
+    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_toolBar = 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 wxHtmlHelpWindow::Create(wxWindow* parent, wxWindowID id,
+                             const wxPoint& pos, const wxSize& size,
+                             int style, int helpStyle)
+{
+    m_hfStyle = helpStyle;
+
+    wxImageList *ContentsImageList = new wxImageList(16, 16);
+    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_BOOK,
+                                                  wxART_HELP_BROWSER,
+                                                  wxSize(16, 16)));
+    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_FOLDER,
+                                                  wxART_HELP_BROWSER,
+                                                  wxSize(16, 16)));
+    ContentsImageList->Add(wxArtProvider::GetIcon(wxART_HELP_PAGE,
+                                                  wxART_HELP_BROWSER,
+                                                  wxSize(16, 16)));
+
+    // Do the config in two steps. We read the HtmlWindow customization after we
+    // create the window.
+    if (m_Config)
+        ReadCustomization(m_Config, m_ConfigRoot);
+
+    wxWindow::Create(parent, id, pos, size, style, wxT("wxHtmlHelp"));
+
+    SetHelpText(_("Displays help as you browse the books on the left."));
+
+    GetPosition(&m_Cfg.x, &m_Cfg.y);
+
+    int notebook_page = 0;
+
+    // The sizer for the whole top-level window.
+    wxSizer *topWindowSizer = new wxBoxSizer(wxVERTICAL);
+    SetSizer(topWindowSizer);
+    SetAutoLayout(TRUE);
+
+#if wxUSE_TOOLBAR
+    // toolbar?
+    if (helpStyle & (wxHF_TOOLBAR | wxHF_FLAT_TOOLBAR))
+    {
+        wxToolBar *toolBar = new wxToolBar(this, -1, wxDefaultPosition, wxDefaultSize,
+                                           wxNO_BORDER | wxTB_HORIZONTAL |
+                                           wxTB_DOCKABLE | wxTB_NODIVIDER |
+                                           (helpStyle & wxHF_FLAT_TOOLBAR ? wxTB_FLAT : 0));
+        toolBar->SetMargins( 2, 2 );
+        AddToolbarButtons(toolBar, helpStyle);
+        toolBar->Realize();
+        topWindowSizer->Add(toolBar, 0, wxEXPAND);
+        m_toolBar = toolBar;
+    }
+#endif //wxUSE_TOOLBAR
+
+    wxSizer *navigSizer = NULL;
+
+    if (helpStyle & (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);
+
+        topWindowSizer->Add(m_Splitter, 1, wxEXPAND);
+
+        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);
+        topWindowSizer->Add(m_HtmlWin, 1, wxEXPAND);
+    }
+
+    if ( m_Config )
+        m_HtmlWin->ReadCustomization(m_Config, m_ConfigRoot);
+
+    // contents tree panel?
+    if ( helpStyle & wxHF_CONTENTS )
+    {
+        wxWindow *dummy = new wxPanel(m_NavigNotebook, wxID_HTML_INDEXPAGE);
+        wxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
+
+        topsizer->Add(0, 10);
+
+        dummy->SetSizer(topsizer);
+
+        if ( helpStyle & 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_BUTTON));
+            bmpbt2 = new wxBitmapButton(dummy, wxID_HTML_BOOKMARKSREMOVE,
+                                 wxArtProvider::GetBitmap(wxART_DEL_BOOKMARK,
+                                                          wxART_BUTTON));
+#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,
+#ifdef __WXGTK20__
+                                       wxSUNKEN_BORDER |
+                                       wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT |
+                                       wxTR_NO_LINES
+#else
+                                       wxSUNKEN_BORDER |
+                                       wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT |
+                                       wxTR_LINES_AT_ROOT
+#endif
+                                       );
+
+        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 ( helpStyle & 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 ( helpStyle & 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, wxSize(125,wxDefaultCoord));
+        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);
+
+    if (m_Splitter)
+        m_Splitter->UpdateSize();
+
+    return true;
+}
+
+wxHtmlHelpWindow::~wxHtmlHelpWindow()
+{
+    delete m_mergedIndex;
+
+    // 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
+}
+
+void wxHtmlHelpWindow::SetController(wxHtmlHelpController* controller)
+{
+    if (m_DataCreated)
+        delete m_Data;
+    m_helpController = controller;
+    m_Data = controller->GetHelpData();
+    m_DataCreated = false;
+}
+
+#if wxUSE_TOOLBAR
+void wxHtmlHelpWindow::AddToolbarButtons(wxToolBar *toolBar, int style)
+{
+    wxBitmap wpanelBitmap =
+        wxArtProvider::GetBitmap(wxART_HELP_SIDE_PANEL, wxART_TOOLBAR);
+    wxBitmap wbackBitmap =
+        wxArtProvider::GetBitmap(wxART_GO_BACK, wxART_TOOLBAR);
+    wxBitmap wforwardBitmap =
+        wxArtProvider::GetBitmap(wxART_GO_FORWARD, wxART_TOOLBAR);
+    wxBitmap wupnodeBitmap =
+        wxArtProvider::GetBitmap(wxART_GO_TO_PARENT, wxART_TOOLBAR);
+    wxBitmap wupBitmap =
+        wxArtProvider::GetBitmap(wxART_GO_UP, wxART_TOOLBAR);
+    wxBitmap wdownBitmap =
+        wxArtProvider::GetBitmap(wxART_GO_DOWN, wxART_TOOLBAR);
+    wxBitmap wopenBitmap =
+        wxArtProvider::GetBitmap(wxART_FILE_OPEN, wxART_TOOLBAR);
+    wxBitmap wprintBitmap =
+        wxArtProvider::GetBitmap(wxART_PRINT, wxART_TOOLBAR);
+    wxBitmap woptionsBitmap =
+        wxArtProvider::GetBitmap(wxART_HELP_SETTINGS, wxART_TOOLBAR);
+
+    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, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Show/hide navigation panel"));
+
+    toolBar->AddSeparator();
+    toolBar->AddTool(wxID_HTML_BACK, wbackBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Go back"));
+    toolBar->AddTool(wxID_HTML_FORWARD, wforwardBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Go forward"));
+    toolBar->AddSeparator();
+
+    toolBar->AddTool(wxID_HTML_UPNODE, wupnodeBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Go one level up in document hierarchy"));
+    toolBar->AddTool(wxID_HTML_UP, wupBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Previous page"));
+    toolBar->AddTool(wxID_HTML_DOWN, wdownBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (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, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                           _("Open HTML document"));
+
+#if wxUSE_PRINTING_ARCHITECTURE
+    if (style & wxHF_PRINT)
+        toolBar->AddTool(wxID_HTML_PRINT, wprintBitmap, wxNullBitmap,
+                           false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                           _("Print this page"));
+#endif
+
+    toolBar->AddSeparator();
+    toolBar->AddTool(wxID_HTML_OPTIONS, woptionsBitmap, wxNullBitmap,
+                       false, wxDefaultCoord, wxDefaultCoord, (wxObject *) NULL,
+                       _("Display options dialog"));
+
+    // Allow application to add custom buttons
+    wxHtmlHelpFrame* parentFrame = wxDynamicCast(GetParent(), wxHtmlHelpFrame);
+    wxHtmlHelpDialog* parentDialog = wxDynamicCast(GetParent(), wxHtmlHelpDialog);
+    if (parentFrame)
+        parentFrame->AddToolbarButtons(toolBar, style);
+    if (parentDialog)
+        parentDialog->AddToolbarButtons(toolBar, style);
+}
+#endif //wxUSE_TOOLBAR
+
+
+bool wxHtmlHelpWindow::Display(const wxString& x)
+{
+    wxString url = m_Data->FindPageByName(x);
+    if (!url.empty())
+    {
+        m_HtmlWin->LoadPage(url);
+        NotifyPageChanged();
+        return true;
+    }
+
+    return false;
+}
+
+bool wxHtmlHelpWindow::Display(const int id)
+{
+    wxString url = m_Data->FindPageById(id);
+    if (!url.empty())
+    {
+        m_HtmlWin->LoadPage(url);
+        NotifyPageChanged();
+        return true;
+    }
+
+    return false;
+}
+
+bool wxHtmlHelpWindow::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(m_ContentsPage);
+
+    if (m_Data->GetBookRecArray().GetCount() > 0)
+    {
+        wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
+        if (!book.GetStart().empty())
+            m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
+    }
+
+    return true;
+}
+
+bool wxHtmlHelpWindow::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(m_IndexPage);
+
+    if (m_Data->GetBookRecArray().GetCount() > 0)
+    {
+        wxHtmlBookRecord& book = m_Data->GetBookRecArray()[0];
+        if (!book.GetStart().empty())
+            m_HtmlWin->LoadPage(book.GetFullPath(book.GetStart()));
+    }
+
+    return true;
+}
+
+void wxHtmlHelpWindow::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 wxHtmlHelpWindow::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 wxHtmlHelpWindow::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 necessary because m_Data has a 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 afolder 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 a "fake"
+                //    record about book node so that the rest of this look
+                //    will believe there really _is_ a 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 hierarchy,
+        // 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 wxHtmlHelpWindow::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 wxHtmlHelpWindow::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 wxHtmlHelpWindow::RefreshLists()
+{
+    // Update m_mergedIndex:
+    UpdateMergedIndex();
+    // Update the controls
+    CreateContents();
+    CreateIndex();
+    CreateSearch();
+}
+
+void wxHtmlHelpWindow::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 wxHtmlHelpWindow::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);
+
+    //  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, const wxString& scalf, const 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 wxHtmlHelpWindowOptionsDialog : public wxDialog
+{
+public:
+    wxComboBox *NormalFont, *FixedFont;
+    wxSpinCtrl *FontSize;
+    wxHtmlWindow *TestWin;
+
+    wxHtmlHelpWindowOptionsDialog(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, wxDefaultCoord),
+                      0, NULL, wxCB_DROPDOWN | wxCB_READONLY));
+
+        sizer->Add(FixedFont = new wxComboBox(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
+                      wxSize(200, wxDefaultCoord),
+                      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), 0, wxALL, 10);
+        ok->SetDefault();
+        sizer2->Add(new wxButton(this, wxID_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(wxHtmlHelpWindowOptionsDialog)
+};
+
+BEGIN_EVENT_TABLE(wxHtmlHelpWindowOptionsDialog, wxDialog)
+    EVT_COMBOBOX(wxID_ANY, wxHtmlHelpWindowOptionsDialog::OnUpdate)
+    EVT_SPINCTRL(wxID_ANY, wxHtmlHelpWindowOptionsDialog::OnUpdateSpin)
+END_EVENT_TABLE()
+
+void wxHtmlHelpWindow::OptionsDialog()
+{
+    wxHtmlHelpWindowOptionsDialog dlg(this);
+    unsigned i;
+
+    if (m_NormalFonts == NULL)
+    {
+        wxFontEnumerator enu;
+        enu.EnumerateFacenames();
+        m_NormalFonts = new wxArrayString;
+        *m_NormalFonts = *enu.GetFacenames();
+        m_NormalFonts->Sort(); // ascending sort
+    }
+    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(); // ascending sort
+    }
+
+    // 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 wxHtmlHelpWindow::NotifyPageChanged()
+{
+    if (m_UpdateContents && m_PagesHash)
+    {
+        wxString page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
+        wxHtmlHelpHashData *ha = NULL;
+        if (!page.empty())
+            ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
+
+        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 :
+*/
+
+
+void wxHtmlHelpWindow::OnToolbar(wxCommandEvent& event)
+{
+    switch (event.GetId())
+    {
+        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 page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
+                wxHtmlHelpHashData *ha = NULL;
+                if (!page.empty())
+                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
+                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 page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
+                wxHtmlHelpHashData *ha = NULL;
+                if (!page.empty())
+                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
+                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 page = wxHtmlHelpHtmlWindow::GetOpenedPageWithAnchor(m_HtmlWin);
+                wxHtmlHelpHashData *ha = NULL;
+                if (!page.empty())
+                    ha = (wxHtmlHelpHashData*) m_PagesHash->Get(page);
+
+                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() == page) 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.empty())
+                {
+                    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;
+    }
+}
+
+void wxHtmlHelpWindow::OnContentsSel(wxTreeEvent& event)
+{
+    wxHtmlHelpTreeItemData *pg;
+
+    pg = (wxHtmlHelpTreeItemData*) m_ContentsBox->GetItemData(event.GetItem());
+
+    if (pg && m_UpdateContents)
+    {
+        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;
+    }
+}
+
+void wxHtmlHelpWindow::OnIndexSel(wxCommandEvent& WXUNUSED(event))
+{
+    wxHtmlHelpMergedIndexItem *it = (wxHtmlHelpMergedIndexItem*)
+        m_IndexList->GetClientData(m_IndexList->GetSelection());
+    if (it)
+        DisplayIndexItem(it);
+}
+
+void wxHtmlHelpWindow::OnIndexFind(wxCommandEvent& event)
+{
+    wxString sr = m_IndexText->GetLineText(0);
+    sr.MakeLower();
+    if (sr == wxEmptyString)
+    {
+        OnIndexAll(event);
+    }
+    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)
+                {
+                    // don't automatically show topic selector if this
+                    // item points to multiple pages:
+                    if (index[i].items.size() == 1)
+                    {
+                        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;
+                }
+
+                // finally, it the item we just added is itself a parent for
+                // other items, show them as well, because they are refinements
+                // of the displayed index entry (i.e. it is implicitly contained
+                // in them: "foo" with parent "bar" reads as "bar, foo"):
+                int level = index[i].items[0]->level;
+                i++;
+                while (i < cnt && index[i].items[0]->level > level)
+                {
+                    m_IndexList->Append(index[i].name, (char*)(&index[i]));
+                    i++;
+                }
+                i--;
+            }
+        }
+
+        wxString cnttext;
+        cnttext.Printf(_("%i of %i"), displ, cnt);
+        m_IndexCountInfo->SetLabel(cnttext);
+
+        m_IndexText->SetSelection(0, sr.Length());
+        m_IndexText->SetFocus();
+    }
+}
+
+void wxHtmlHelpWindow::OnIndexAll(wxCommandEvent& WXUNUSED(event))
+{
+    wxBusyCursor bcur;
+
+    m_IndexList->Clear();
+    const wxHtmlHelpMergedIndex& index = *m_mergedIndex;
+    size_t cnt = index.size();
+    bool first = true;
+
+    for (size_t i = 0; i < cnt; i++)
+    {
+        m_IndexList->Append(index[i].name, (char*)(&index[i]));
+        if (first)
+        {
+            // don't automatically show topic selector if this
+            // item points to multiple pages:
+            if (index[i].items.size() == 1)
+            {
+                DisplayIndexItem(&index[i]);
+            }
+            first = false;
+        }
+    }
+
+    wxString cnttext;
+    cnttext.Printf(_("%i of %i"), cnt, cnt);
+    m_IndexCountInfo->SetLabel(cnttext);
+}
+
+void wxHtmlHelpWindow::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();
+    }
+}
+
+void wxHtmlHelpWindow::OnSearch(wxCommandEvent& WXUNUSED(event))
+{
+    wxString sr = m_SearchText->GetLineText(0);
+
+    if (!sr.empty())
+        KeywordSearch(sr, wxHELP_SEARCH_ALL);
+}
+
+void wxHtmlHelpWindow::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 wxHtmlHelpWindow::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+    Layout();
+}
+
+#endif // wxUSE_WXHTML_HELP