Fix return value of wxGenericTreeCtrl::FindItem().
[wxWidgets.git] / samples / htlbox / htlbox.cpp
index 5c2d7dae6979c54a12a55bb71094071a24a224f4..94a17e5112b2f32d8c0d81972b62c2ba8a0fd660 100644 (file)
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        htmllbox.cpp
-// Purpose:     HtmlLbox wxWindows sample
+// Purpose:     HtmlLbox wxWidgets sample
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     31.05.03
 // RCS-ID:      $Id$
-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
     #pragma hdrstop
 #endif
 
-// for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers)
+// for all others, include the necessary headers
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/frame.h"
     #include "wx/log.h"
+    #include "wx/textdlg.h"
+    #include "wx/sizer.h"
+
+    #include "wx/menu.h"
+    #include "wx/msgdlg.h"
+    #include "wx/textctrl.h"
+
+    #include "wx/dc.h"
+    #include "wx/icon.h"
 #endif
 
-#include "wx/htmllbox.h"
+#include "wx/colordlg.h"
+#include "wx/numdlg.h"
 
-// ----------------------------------------------------------------------------
-// resources
-// ----------------------------------------------------------------------------
+#include "wx/htmllbox.h"
 
-// the application icon (under Windows and OS/2 it is in resources)
-#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
-    #include "mondrian.xpm"
+// you can also have a file containing HTML strings for testing, enable this if
+// you want to use it
+//#define USE_HTML_FILE
+#ifdef USE_HTML_FILE
+    #include "wx/textfile.h"
 #endif
 
+#include "../sample.xpm"
+
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 
-class MyApp : public wxApp
+// to use wxHtmlListBox you must derive a new class from it as you must
+// implement pure virtual OnGetItem()
+class MyHtmlListBox : public wxHtmlListBox
 {
 public:
-    virtual bool OnInit();
+    MyHtmlListBox() { }
+    MyHtmlListBox(wxWindow *parent, bool multi = false);
+
+    void SetChangeSelFg(bool change) { m_change = change; }
+    void UpdateFirstItem();
+
+protected:
+    // override this method to return data to be shown in the listbox (this is
+    // mandatory)
+    virtual wxString OnGetItem(size_t n) const;
+
+    // change the appearance by overriding these functions (this is optional)
+    virtual void OnDrawSeparator(wxDC& dc, wxRect& rect, size_t n) const;
+    virtual wxColour GetSelectedTextColour(const wxColour& colFg) const;
+
+    // flag telling us whether we should use fg colour even for the selected
+    // item
+    bool m_change;
+
+    // flag which we toggle to update the first items text in OnGetItem()
+    bool m_firstItemUpdated;
+
+public:
+
+    // flag which we toggle when the user clicks on the link in 2nd item
+    // to change 2nd item's text
+    bool m_linkClicked;
+
+#ifdef USE_HTML_FILE
+    wxTextFile m_file;
+#endif
+
+    wxDECLARE_NO_COPY_CLASS(MyHtmlListBox);
+    DECLARE_DYNAMIC_CLASS(MyHtmlListBox)
 };
 
+
 class MyFrame : public wxFrame
 {
 public:
@@ -60,59 +107,53 @@ public:
     virtual ~MyFrame();
 
     // event handlers
+    void OnSimpleOrCustomBox(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 
-    void OnLboxSelect(wxCommandEvent& event)
-    {
-        wxLogMessage(_T("Listbox selection is now %d."), event.GetInt());
-    }
+    void OnSetMargins(wxCommandEvent& event);
+    void OnDrawSeparator(wxCommandEvent&) { m_hlbox->RefreshAll(); }
+    void OnToggleMulti(wxCommandEvent& event);
+    void OnSelectAll(wxCommandEvent& event);
+    void OnUpdateItem(wxCommandEvent& event);
+    void OnGetItemRect(wxCommandEvent& event);
+
+    void OnSetBgCol(wxCommandEvent& event);
+    void OnSetSelBgCol(wxCommandEvent& event);
+    void OnSetSelFgCol(wxCommandEvent& event);
+
+    void OnClear(wxCommandEvent& event);
+
+    void OnUpdateUISelectAll(wxUpdateUIEvent& event);
 
+    void OnLboxSelect(wxCommandEvent& event);
     void OnLboxDClick(wxCommandEvent& event)
     {
-        wxLogMessage(_T("Listbox item %d double clicked."), event.GetInt());
+        wxLogMessage(wxT("Listbox item %d double clicked."), event.GetInt());
     }
 
+    void OnHtmlLinkClicked(wxHtmlLinkEvent& event);
+    void OnHtmlCellHover(wxHtmlCellEvent &event);
+    void OnHtmlCellClicked(wxHtmlCellEvent &event);
+
+    wxSimpleHtmlListBox *GetSimpleBox()
+        { return wxDynamicCast(m_hlbox, wxSimpleHtmlListBox); }
+    MyHtmlListBox *GetMyBox()
+        { return wxDynamicCast(m_hlbox, MyHtmlListBox); }
+
+    void CreateBox();
+
 private:
-    // any class wishing to process wxWindows events must use this macro
+    wxHtmlListBox *m_hlbox;
+
+    // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 };
 
-// to use wxHtmlListBox you must derive a new class from it as you must
-// implement pure virtual OnGetItem()
-class MyHtmlListBox : public wxHtmlListBox
+class MyApp : public wxApp
 {
 public:
-    MyHtmlListBox(wxWindow *parent) : wxHtmlListBox(parent)
-    {
-        SetItemCount(1000);
-        SetSelection(10);
-        SetMargins(5, 5);
-    }
-
-protected:
-    virtual wxString OnGetItem(size_t n) const
-    {
-        int level = n % 6 + 1;
-        return wxString::Format(_T("<h%d><font color=#%2x%2x%2x>")
-                                _T("Item</font> <b>%lu</b>")
-                                _T("</h%d>"),
-                                level,
-                                abs(n - 192) % 256,
-                                abs(n - 256) % 256,
-                                abs(n - 128) % 256,
-                                (unsigned long)n, level);
-    }
-
-    virtual void OnDrawSeparator(wxDC& dc,
-                                 wxRect& rect,
-                                 size_t WXUNUSED(n)) const
-    {
-        dc.SetPen(*wxBLACK_DASHED_PEN);
-        dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y);
-        dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom());
-    }
-
+    virtual bool OnInit() { (new MyFrame())->Show(); return true; }
 };
 
 // ----------------------------------------------------------------------------
@@ -123,7 +164,22 @@ protected:
 enum
 {
     // menu items
-    HtmlLbox_Quit = 1,
+    HtmlLbox_CustomBox = 1,
+    HtmlLbox_SimpleBox,
+    HtmlLbox_Quit,
+
+    HtmlLbox_SetMargins,
+    HtmlLbox_DrawSeparator,
+    HtmlLbox_ToggleMulti,
+    HtmlLbox_SelectAll,
+    HtmlLbox_UpdateItem,
+    HtmlLbox_GetItemRect,
+
+    HtmlLbox_SetBgCol,
+    HtmlLbox_SetSelBgCol,
+    HtmlLbox_SetSelFgCol,
+
+    HtmlLbox_Clear,
 
     // it is important for the id corresponding to the "About" command to have
     // this standard value as otherwise it won't be handled properly under Mac
@@ -132,69 +188,108 @@ enum
 };
 
 // ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
 // ----------------------------------------------------------------------------
 
-// the event tables connect the wxWindows events with the functions (event
-// handlers) which process them. It can be also done at run-time, but for the
-// simple menu events like this the static method is much simpler.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+    EVT_MENU(HtmlLbox_CustomBox,  MyFrame::OnSimpleOrCustomBox)
+    EVT_MENU(HtmlLbox_SimpleBox,  MyFrame::OnSimpleOrCustomBox)
     EVT_MENU(HtmlLbox_Quit,  MyFrame::OnQuit)
+
+    EVT_MENU(HtmlLbox_SetMargins, MyFrame::OnSetMargins)
+    EVT_MENU(HtmlLbox_DrawSeparator, MyFrame::OnDrawSeparator)
+    EVT_MENU(HtmlLbox_ToggleMulti, MyFrame::OnToggleMulti)
+    EVT_MENU(HtmlLbox_SelectAll, MyFrame::OnSelectAll)
+    EVT_MENU(HtmlLbox_UpdateItem, MyFrame::OnUpdateItem)
+    EVT_MENU(HtmlLbox_GetItemRect, MyFrame::OnGetItemRect)
+
     EVT_MENU(HtmlLbox_About, MyFrame::OnAbout)
 
+    EVT_MENU(HtmlLbox_SetBgCol, MyFrame::OnSetBgCol)
+    EVT_MENU(HtmlLbox_SetSelBgCol, MyFrame::OnSetSelBgCol)
+    EVT_MENU(HtmlLbox_SetSelFgCol, MyFrame::OnSetSelFgCol)
+
+    EVT_MENU(HtmlLbox_Clear, MyFrame::OnClear)
+
+    EVT_UPDATE_UI(HtmlLbox_SelectAll, MyFrame::OnUpdateUISelectAll)
+
+
     EVT_LISTBOX(wxID_ANY, MyFrame::OnLboxSelect)
     EVT_LISTBOX_DCLICK(wxID_ANY, MyFrame::OnLboxDClick)
+
+
+    // the HTML listbox's events
+    EVT_HTML_LINK_CLICKED(wxID_ANY, MyFrame::OnHtmlLinkClicked)
+    EVT_HTML_CELL_HOVER(wxID_ANY, MyFrame::OnHtmlCellHover)
+    EVT_HTML_CELL_CLICKED(wxID_ANY, MyFrame::OnHtmlCellClicked)
+
 END_EVENT_TABLE()
 
-// Create a new application object: this macro will allow wxWindows to create
-// the application object during program execution (it's better than using a
-// static object for many reasons) and also declares the accessor function
-// wxGetApp() which will return the reference of the right type (i.e. MyApp and
-// not wxApp)
 IMPLEMENT_APP(MyApp)
 
 // ============================================================================
-// implementation
+// MyFrame
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// the application class
-// ----------------------------------------------------------------------------
-
-// 'Main program' equivalent: the program execution "starts" here
-bool MyApp::OnInit()
-{
-    (new MyFrame())->Show();
-
-    return TRUE;
-}
-
-// ----------------------------------------------------------------------------
-// main frame
+// MyFrame ctor/dtor
 // ----------------------------------------------------------------------------
 
 // frame constructor
 MyFrame::MyFrame()
-       : wxFrame(NULL, -1, _T("HtmlLbox wxWindows Sample"),
-                 wxDefaultPosition, wxSize(400, 500))
+       : wxFrame(NULL, wxID_ANY, wxT("HtmlLbox wxWidgets Sample"),
+                 wxDefaultPosition, wxSize(500, 500))
 {
     // set the frame icon
-    SetIcon(wxICON(mondrian));
+    SetIcon(wxICON(sample));
 
 #if wxUSE_MENUS
     // create a menu bar
     wxMenu *menuFile = new wxMenu;
+    menuFile->AppendRadioItem(HtmlLbox_CustomBox, wxT("Use custom box"),
+                              wxT("Use a wxHtmlListBox virtual class control"));
+    menuFile->AppendRadioItem(HtmlLbox_SimpleBox, wxT("Use simple box"),
+                              wxT("Use a wxSimpleHtmlListBox control"));
+    menuFile->AppendSeparator();
+    menuFile->Append(HtmlLbox_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
+
+    // create our specific menu
+    wxMenu *menuHLbox = new wxMenu;
+    menuHLbox->Append(HtmlLbox_SetMargins,
+                      wxT("Set &margins...\tCtrl-G"),
+                      wxT("Change the margins around the items"));
+    menuHLbox->AppendCheckItem(HtmlLbox_DrawSeparator,
+                               wxT("&Draw separators\tCtrl-D"),
+                               wxT("Toggle drawing separators between cells"));
+    menuHLbox->AppendSeparator();
+    menuHLbox->AppendCheckItem(HtmlLbox_ToggleMulti,
+                               wxT("&Multiple selection\tCtrl-M"),
+                               wxT("Toggle multiple selection on/off"));
+    menuHLbox->AppendSeparator();
+    menuHLbox->Append(HtmlLbox_SelectAll, wxT("Select &all items\tCtrl-A"));
+    menuHLbox->Append(HtmlLbox_UpdateItem, wxT("Update &first item\tCtrl-U"));
+    menuHLbox->Append(HtmlLbox_GetItemRect, wxT("Show &rectangle of item #10\tCtrl-R"));
+    menuHLbox->AppendSeparator();
+    menuHLbox->Append(HtmlLbox_SetBgCol, wxT("Set &background...\tCtrl-B"));
+    menuHLbox->Append(HtmlLbox_SetSelBgCol,
+                      wxT("Set &selection background...\tCtrl-S"));
+    menuHLbox->AppendCheckItem(HtmlLbox_SetSelFgCol,
+                               wxT("Keep &foreground in selection\tCtrl-F"));
+
+    menuHLbox->AppendSeparator();
+    menuHLbox->Append(HtmlLbox_Clear, wxT("&Clear\tCtrl-L"));
 
     // the "About" item should be in the help menu
     wxMenu *helpMenu = new wxMenu;
-    helpMenu->Append(HtmlLbox_About, _T("&About...\tF1"), _T("Show about dialog"));
-
-    menuFile->Append(HtmlLbox_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
+    helpMenu->Append(HtmlLbox_About, wxT("&About\tF1"), wxT("Show about dialog"));
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();
-    menuBar->Append(menuFile, _T("&File"));
-    menuBar->Append(helpMenu, _T("&Help"));
+    menuBar->Append(menuFile, wxT("&File"));
+    menuBar->Append(menuHLbox, wxT("&Listbox"));
+    menuBar->Append(helpMenu, wxT("&Help"));
+
+    menuBar->Check(HtmlLbox_DrawSeparator, true);
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
@@ -203,20 +298,20 @@ MyFrame::MyFrame()
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)
     CreateStatusBar(2);
-    SetStatusText(_T("Welcome to wxWindows!"));
+    SetStatusText(wxT("Welcome to wxWidgets!"));
 #endif // wxUSE_STATUSBAR
 
     // create the child controls
-    MyHtmlListBox *hlbox = new MyHtmlListBox(this);
-    wxTextCtrl *text = new wxTextCtrl(this, -1, _T(""),
+    CreateBox();
+    wxTextCtrl *text = new wxTextCtrl(this, wxID_ANY, wxT(""),
                                       wxDefaultPosition, wxDefaultSize,
                                       wxTE_MULTILINE);
     delete wxLog::SetActiveTarget(new wxLogTextCtrl(text));
 
     // and lay them out
     wxSizer *sizer = new wxBoxSizer(wxHORIZONTAL);
-    sizer->Add(hlbox, 1, wxGROW);
-    sizer->Add(text, 1, wxGROW);
+    sizer->Add(m_hlbox, 2, wxGROW);
+    sizer->Add(text, 3, wxGROW);
 
     SetSizer(sizer);
 }
@@ -226,20 +321,329 @@ MyFrame::~MyFrame()
     delete wxLog::SetActiveTarget(NULL);
 }
 
-// event handlers
+void MyFrame::CreateBox()
+{
+    bool multi = GetMenuBar()->IsChecked(HtmlLbox_ToggleMulti);
+
+    if ( GetMenuBar()->IsChecked(HtmlLbox_CustomBox) )
+    {
+        m_hlbox = new MyHtmlListBox(this, multi);
+    }
+    else // simple listbox
+    {
+        m_hlbox = new wxSimpleHtmlListBox(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+                                          0, NULL, multi ? wxLB_MULTIPLE : 0);
+
+        // unlike wxHtmlListBox which is abstract, wxSimpleHtmlListBox is a
+        // concrete control and doesn't support virtual mode, this we need
+        // to add all of its items from the beginning
+        wxArrayString arr;
+        for (size_t n = 0; n < 1000; n++ )
+        {
+            wxColour clr((unsigned char)(abs((int)n - 192) % 256),
+                         (unsigned char)(abs((int)n - 256) % 256),
+                         (unsigned char)(abs((int)n - 128) % 256));
+            int level = n % 6 + 1;
+
+            wxString label = wxString::Format(wxT("<h%d><font color=%s>")
+                    wxT("Item</font> <b>%lu</b>")
+                    wxT("</h%d>"),
+                    level,
+                    clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(),
+                    (unsigned long)n, level);
+            arr.Add(label);
+        }
+
+        GetSimpleBox()->Append(arr);
+    }
+}
+
+
+// ----------------------------------------------------------------------------
+// menu event handlers
+// ----------------------------------------------------------------------------
+
+void MyFrame::OnSimpleOrCustomBox(wxCommandEvent& WXUNUSED(event))
+{
+    wxWindow *old = m_hlbox;
+
+    // we need to recreate the listbox
+    CreateBox();
+    GetSizer()->Replace(old, m_hlbox);
+    delete old;
+
+    GetSizer()->Layout();
+    Refresh();
+}
+
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
-    // TRUE is to force the frame to close
-    Close(TRUE);
+    // true is to force the frame to close
+    Close(true);
 }
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
-    wxMessageBox(_T("This sample shows wxHtmlListBox class.\n")
-                 _T("\n")
-                 _T("© 2003 Vadim Zeitlin"),
-                 _T("About HtmlLbox"),
+    wxMessageBox(wxT("This sample shows wxHtmlListBox class.\n")
+                 wxT("\n")
+                 wxT("(c) 2003 Vadim Zeitlin"),
+                 wxT("About HtmlLbox"),
                  wxOK | wxICON_INFORMATION,
                  this);
 }
 
+void MyFrame::OnSetMargins(wxCommandEvent& WXUNUSED(event))
+{
+    long margin = wxGetNumberFromUser
+                  (
+                    wxT("Enter the margins to use for the listbox items."),
+                    wxT("Margin: "),
+                    wxT("HtmlLbox: Set the margins"),
+                    0, 0, 20,
+                    this
+                  );
+
+    if ( margin != -1 )
+    {
+        m_hlbox->SetMargins(margin, margin);
+        m_hlbox->RefreshAll();
+    }
+}
+
+void MyFrame::OnToggleMulti(wxCommandEvent& WXUNUSED(event))
+{
+    wxWindow *old = m_hlbox;
+
+    // we need to recreate the listbox
+    CreateBox();
+    GetSizer()->Replace(old, m_hlbox);
+    delete old;
+
+    GetSizer()->Layout();
+}
+
+void MyFrame::OnSelectAll(wxCommandEvent& WXUNUSED(event))
+{
+    m_hlbox->SelectAll();
+}
+
+void MyFrame::OnUpdateUISelectAll(wxUpdateUIEvent& event)
+{
+    event.Enable( m_hlbox && m_hlbox->HasMultipleSelection() );
+}
+
+void MyFrame::OnUpdateItem(wxCommandEvent& WXUNUSED(event))
+{
+    if (GetMyBox())
+        GetMyBox()->UpdateFirstItem();
+}
+
+void MyFrame::OnGetItemRect(wxCommandEvent& WXUNUSED(event))
+{
+    static const int ITEM = 10;
+    const wxRect r = m_hlbox->GetItemRect(ITEM);
+    wxLogMessage("Rect of item %d: (%d, %d)-(%d, %d)",
+                 ITEM, r.x, r.y, r.x + r.width, r.y + r.height);
+}
+
+void MyFrame::OnSetBgCol(wxCommandEvent& WXUNUSED(event))
+{
+    wxColour col = wxGetColourFromUser(this, m_hlbox->GetBackgroundColour());
+    if ( col.IsOk() )
+    {
+        m_hlbox->SetBackgroundColour(col);
+        m_hlbox->Refresh();
+
+#if wxUSE_STATUSBAR
+        SetStatusText(wxT("Background colour changed."));
+#endif // wxUSE_STATUSBAR
+    }
+}
+
+void MyFrame::OnSetSelBgCol(wxCommandEvent& WXUNUSED(event))
+{
+    wxColour col = wxGetColourFromUser(this, m_hlbox->GetSelectionBackground());
+    if ( col.IsOk() )
+    {
+        m_hlbox->SetSelectionBackground(col);
+        m_hlbox->Refresh();
+
+#if wxUSE_STATUSBAR
+        SetStatusText(wxT("Selection background colour changed."));
+#endif // wxUSE_STATUSBAR
+    }
+}
+
+void MyFrame::OnSetSelFgCol(wxCommandEvent& event)
+{
+    if (GetMyBox())
+    {
+        GetMyBox()->SetChangeSelFg(!event.IsChecked());
+        GetMyBox()->Refresh();
+    }
+}
+
+void MyFrame::OnClear(wxCommandEvent& WXUNUSED(event))
+{
+    m_hlbox->Clear();
+}
+
+void MyFrame::OnHtmlLinkClicked(wxHtmlLinkEvent &event)
+{
+    wxLogMessage(wxT("The url '%s' has been clicked!"), event.GetLinkInfo().GetHref().c_str());
+
+    if (GetMyBox())
+    {
+        GetMyBox()->m_linkClicked = true;
+        GetMyBox()->RefreshRow(1);
+    }
+}
+
+void MyFrame::OnHtmlCellHover(wxHtmlCellEvent &event)
+{
+    wxLogMessage(wxT("Mouse moved over cell %p at %d;%d"),
+                 event.GetCell(), event.GetPoint().x, event.GetPoint().y);
+}
+
+void MyFrame::OnHtmlCellClicked(wxHtmlCellEvent &event)
+{
+    wxLogMessage(wxT("Click over cell %p at %d;%d"),
+                 event.GetCell(), event.GetPoint().x, event.GetPoint().y);
+
+    // if we don't skip the event, OnHtmlLinkClicked won't be called!
+    event.Skip();
+}
+
+// ----------------------------------------------------------------------------
+// listbox event handlers
+// ----------------------------------------------------------------------------
+
+void MyFrame::OnLboxSelect(wxCommandEvent& event)
+{
+    wxLogMessage(wxT("Listbox selection is now %d."), event.GetInt());
+
+    if ( m_hlbox->HasMultipleSelection() )
+    {
+        wxString s;
+
+        bool first = true;
+        unsigned long cookie;
+        for ( int item = m_hlbox->GetFirstSelected(cookie);
+              item != wxNOT_FOUND;
+              item = m_hlbox->GetNextSelected(cookie) )
+        {
+            if ( first )
+                first = false;
+            else
+                s << wxT(", ");
+
+            s << item;
+        }
+
+        if ( !s.empty() )
+        {
+            wxLogMessage(wxT("Selected items: %s"), s.c_str());
+        }
+    }
+
+#if wxUSE_STATUSBAR
+    SetStatusText(wxString::Format(
+                    wxT("# items selected = %lu"),
+                    (unsigned long)m_hlbox->GetSelectedCount()
+                  ));
+#endif // wxUSE_STATUSBAR
+}
+
+// ============================================================================
+// MyHtmlListBox
+// ============================================================================
+
+IMPLEMENT_DYNAMIC_CLASS(MyHtmlListBox, wxHtmlListBox)
+
+MyHtmlListBox::MyHtmlListBox(wxWindow *parent, bool multi)
+             : wxHtmlListBox(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+                             multi ? wxLB_MULTIPLE : 0)
+{
+    m_change = true;
+    m_firstItemUpdated = false;
+    m_linkClicked = false;
+
+
+    SetMargins(5, 5);
+
+#ifdef USE_HTML_FILE
+    if ( !m_file.Open(wxT("results")) )
+    {
+        wxLogError(wxT("Failed to open results file"));
+    }
+    else
+    {
+        SetItemCount(m_file.GetLineCount());
+    }
+#else
+    SetItemCount(1000);
+#endif
+
+    SetSelection(3);
+}
+
+void MyHtmlListBox::OnDrawSeparator(wxDC& dc, wxRect& rect, size_t) const
+{
+    if ( ((MyFrame *)GetParent())->
+            GetMenuBar()->IsChecked(HtmlLbox_DrawSeparator) )
+    {
+        dc.SetPen(*wxBLACK_DASHED_PEN);
+        dc.DrawLine(rect.x, rect.y, rect.GetRight(), rect.y);
+        dc.DrawLine(rect.x, rect.GetBottom(), rect.GetRight(), rect.GetBottom());
+    }
+}
+
+wxString MyHtmlListBox::OnGetItem(size_t n) const
+{
+    if ( !n && m_firstItemUpdated )
+    {
+        return wxT("<h1><b>Just updated</b></h1>");
+    }
+
+#ifdef USE_HTML_FILE
+    wxString s;
+    if ( m_file.IsOpened() )
+        s = m_file[n];
+
+    return s;
+#else
+    int level = n % 6 + 1;
+
+    wxColour clr((unsigned char)(abs((int)n - 192) % 256),
+                 (unsigned char)(abs((int)n - 256) % 256),
+                 (unsigned char)(abs((int)n - 128) % 256));
+
+    wxString label = wxString::Format(wxT("<h%d><font color=%s>")
+                                      wxT("Item</font> <b>%lu</b>")
+                                      wxT("</h%d>"),
+                                      level,
+                                      clr.GetAsString(wxC2S_HTML_SYNTAX).c_str(),
+                                      (unsigned long)n, level);
+    if ( n == 1 )
+    {
+        if ( !m_linkClicked )
+            label += wxT("<a href='1'>Click here...</a>");
+        else
+            label += wxT("<font color='#9999ff'>Clicked here...</font>");
+    }
+
+    return label;
+#endif
+}
+
+wxColour MyHtmlListBox::GetSelectedTextColour(const wxColour& colFg) const
+{
+    return m_change ? wxHtmlListBox::GetSelectedTextColour(colFg) : colFg;
+}
+
+void MyHtmlListBox::UpdateFirstItem()
+{
+    m_firstItemUpdated = !m_firstItemUpdated;
+
+    RefreshRow(0);
+}