logg.cpp

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            // fall through

        case wxLOG_Warning:
            if ( !m_bErrors ) {
                // for the warning we don't discard the info messages
                m_bWarnings = true;
            }

            m_aMessages.Add(szString);
            m_aSeverity.Add((int)level);
            m_aTimes.Add((long)t);
            m_bHasMessages = true;
            break;
    }
}

#endif   // wxUSE_LOGGUI

// ----------------------------------------------------------------------------
// wxLogWindow and wxLogFrame implementation
// ----------------------------------------------------------------------------

#if wxUSE_LOGWINDOW

// log frame class
// ---------------
class wxLogFrame : public wxFrame
{
public:
    // ctor & dtor
    wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle);
    virtual ~wxLogFrame();

    // menu callbacks
    void OnClose(wxCommandEvent& event);
    void OnCloseWindow(wxCloseEvent& event);
#if wxUSE_FILE
    void OnSave (wxCommandEvent& event);
#endif // wxUSE_FILE
    void OnClear(wxCommandEvent& event);

    // accessors
    wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }

private:
    // use standard ids for our commands!
    enum
    {
        Menu_Close = wxID_CLOSE,
        Menu_Save  = wxID_SAVE,
        Menu_Clear = wxID_CLEAR
    };

    // common part of OnClose() and OnCloseWindow()
    void DoClose();

    wxTextCtrl  *m_pTextCtrl;
    wxLogWindow *m_log;

    DECLARE_EVENT_TABLE()
    DECLARE_NO_COPY_CLASS(wxLogFrame)
};

BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
    // wxLogWindow menu events
    EVT_MENU(Menu_Close, wxLogFrame::OnClose)
#if wxUSE_FILE
    EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
#endif // wxUSE_FILE
    EVT_MENU(Menu_Clear, wxLogFrame::OnClear)

    EVT_CLOSE(wxLogFrame::OnCloseWindow)
END_EVENT_TABLE()

wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle)
          : wxFrame(pParent, wxID_ANY, szTitle)
{
    m_log = log;

    m_pTextCtrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
            wxDefaultSize,
            wxTE_MULTILINE  |
            wxHSCROLL       |
            // needed for Win32 to avoid 65Kb limit but it doesn't work well
            // when using RichEdit 2.0 which we always do in the Unicode build
#if !wxUSE_UNICODE
            wxTE_RICH       |
#endif // !wxUSE_UNICODE
            wxTE_READONLY);

#if wxUSE_MENUS
    // create menu
    wxMenuBar *pMenuBar = new wxMenuBar;
    wxMenu *pMenu = new wxMenu;
#if wxUSE_FILE
    pMenu->Append(Menu_Save,  _("&Save..."), _("Save log contents to file"));
#endif // wxUSE_FILE
    pMenu->Append(Menu_Clear, _("C&lear"), _("Clear the log contents"));
    pMenu->AppendSeparator();
    pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
    pMenuBar->Append(pMenu, _("&Log"));
    SetMenuBar(pMenuBar);
#endif // wxUSE_MENUS

#if wxUSE_STATUSBAR
    // status bar for menu prompts
    CreateStatusBar();
#endif // wxUSE_STATUSBAR

    m_log->OnFrameCreate(this);
}

void wxLogFrame::DoClose()
{
    if ( m_log->OnFrameClose(this) )
    {
        // instead of closing just hide the window to be able to Show() it
        // later
        Show(false);
    }
}

void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event))
{
    DoClose();
}

void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
{
    DoClose();
}

#if wxUSE_FILE
void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_FILEDLG
    wxString filename;
    wxFile file;
    int rc = OpenLogFile(file, &filename, this);
    if ( rc == -1 )
    {
        // cancelled
        return;
    }

    bool bOk = rc != 0;

    // retrieve text and save it
    // -------------------------
    int nLines = m_pTextCtrl->GetNumberOfLines();
    for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
        bOk = file.Write(m_pTextCtrl->GetLineText(nLine) +
                         wxTextFile::GetEOL());
    }

    if ( bOk )
        bOk = file.Close();

    if ( !bOk ) {
        wxLogError(_("Can't save log contents to file."));
    }
    else {
        wxLogStatus(this, _("Log saved to the file '%s'."), filename.c_str());
    }
#endif
}
#endif // wxUSE_FILE

void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
{
    m_pTextCtrl->Clear();
}

wxLogFrame::~wxLogFrame()
{
    m_log->OnFrameDelete(this);
}

// wxLogWindow
// -----------

wxLogWindow::wxLogWindow(wxWindow *pParent,
                         const wxChar *szTitle,
                         bool bShow,
                         bool bDoPass)
{
    PassMessages(bDoPass);

    m_pLogFrame = new wxLogFrame(pParent, this, szTitle);

    if ( bShow )
        m_pLogFrame->Show();
}

void wxLogWindow::Show(bool bShow)
{
    m_pLogFrame->Show(bShow);
}

void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
    // first let the previous logger show it
    wxLogPassThrough::DoLog(level, szString, t);

    if ( m_pLogFrame ) {
        switch ( level ) {
            case wxLOG_Status:
                // by default, these messages are ignored by wxLog, so process
                // them ourselves
                if ( !wxIsEmpty(szString) )
                {
                    wxString str;
                    str << _("Status: ") << szString;
                    DoLogString(str, t);
                }
                break;

                // don't put trace messages in the text window for 2 reasons:
                // 1) there are too many of them
                // 2) they may provoke other trace messages thus sending a program
                //    into an infinite loop
            case wxLOG_Trace:
                break;

            default:
                // and this will format it nicely and call our DoLogString()
                wxLog::DoLog(level, szString, t);
        }
    }
}

void wxLogWindow::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
    // put the text into our window
    wxTextCtrl *pText = m_pLogFrame->TextCtrl();

    // remove selection (WriteText is in fact ReplaceSelection)
#ifdef __WXMSW__
    wxTextPos nLen = pText->GetLastPosition();
    pText->SetSelection(nLen, nLen);
#endif // Windows

    wxString msg;
    TimeStamp(&msg);
    msg << szString << wxT('\n');

    pText->AppendText(msg);

    // TODO ensure that the line can be seen
}

wxFrame *wxLogWindow::GetFrame() const
{
    return m_pLogFrame;
}

void wxLogWindow::OnFrameCreate(wxFrame * WXUNUSED(frame))
{
}

bool wxLogWindow::OnFrameClose(wxFrame * WXUNUSED(frame))
{
    // allow to close
    return true;
}

void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
{
    m_pLogFrame = (wxLogFrame *)NULL;
}

wxLogWindow::~wxLogWindow()
{
    // may be NULL if log frame already auto destroyed itself
    delete m_pLogFrame;
}

#endif // wxUSE_LOGWINDOW

// ----------------------------------------------------------------------------
// wxLogDialog
// ----------------------------------------------------------------------------

#if wxUSE_LOG_DIALOG

#ifndef __SMARTPHONE__
static const size_t MARGIN = 10;
#else
static const size_t MARGIN = 0;
#endif

wxString wxLogDialog::ms_details;

wxLogDialog::wxLogDialog(wxWindow *parent,
                         const wxArrayString& messages,
                         const wxArrayInt& severity,
                         const wxArrayLong& times,
                         const wxString& caption,
                         long style)
           : wxDialog(parent, wxID_ANY, caption,
                      wxDefaultPosition, wxDefaultSize,
                      wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
{
    if ( ms_details.empty() )
    {
        // ensure that we won't loop here if wxGetTranslation()
        // happens to pop up a Log message while translating this :-)
        ms_details = wxTRANSLATE("&Details");
        ms_details = wxGetTranslation(ms_details);
#ifdef __SMARTPHONE__
        ms_details = wxStripMenuCodes(ms_details);
#endif
    }

    size_t count = messages.GetCount();
    m_messages.Alloc(count);
    m_severity.Alloc(count);
    m_times.Alloc(count);

    for ( size_t n = 0; n < count; n++ )
    {
        wxString msg = messages[n];
        msg.Replace(wxT("\n"), wxT(" "));
        m_messages.Add(msg);
        m_severity.Add(severity[n]);
        m_times.Add(times[n]);
    }

    m_showingDetails = false; // not initially
    m_listctrl = (wxListCtrl *)NULL;

#ifndef __SMARTPHONE__

#if wxUSE_STATLINE
    m_statline = (wxStaticLine *)NULL;
#endif // wxUSE_STATLINE

#if wxUSE_FILE
    m_btnSave = (wxButton *)NULL;
#endif // wxUSE_FILE

#endif // __SMARTPHONE__

    bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);

    // create the controls which are always shown and layout them: we use
    // sizers even though our window is not resizeable to calculate the size of
    // the dialog properly
    wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
#ifndef __SMARTPHONE__
    wxBoxSizer *sizerButtons = new wxBoxSizer(isPda ? wxHORIZONTAL : wxVERTICAL);
#endif
    wxBoxSizer *sizerAll = new wxBoxSizer(isPda ? wxVERTICAL : wxHORIZONTAL);

#ifdef __SMARTPHONE__
    SetLeftMenu(wxID_OK);
    SetRightMenu(wxID_MORE, ms_details + EXPAND_SUFFIX);
#else
    wxButton *btnOk = new wxButton(this, wxID_OK);
    sizerButtons->Add(btnOk, 0, isPda ? wxCENTRE : wxCENTRE|wxBOTTOM, MARGIN/2);
    m_btnDetails = new wxButton(this, wxID_MORE, ms_details + EXPAND_SUFFIX);
    sizerButtons->Add(m_btnDetails, 0, isPda ? wxCENTRE|wxLEFT : wxCENTRE | wxTOP, MARGIN/2 - 1);
#endif

    wxBitmap bitmap;
    switch ( style & wxICON_MASK )
    {
        case wxICON_ERROR:
            bitmap = wxArtProvider::GetBitmap(wxART_ERROR, wxART_MESSAGE_BOX);
#ifdef __WXPM__
            bitmap.SetId(wxICON_SMALL_ERROR);
#endif
            break;

        case wxICON_INFORMATION:
            bitmap = wxArtProvider::GetBitmap(wxART_INFORMATION, wxART_MESSAGE_BOX);
#ifdef __WXPM__
            bitmap.SetId(wxICON_SMALL_INFO);
#endif
            break;

        case wxICON_WARNING:
            bitmap = wxArtProvider::GetBitmap(wxART_WARNING, wxART_MESSAGE_BOX);
#ifdef __WXPM__
            bitmap.SetId(wxICON_SMALL_WARNING);
#endif
            break;

        default:
            wxFAIL_MSG(_T("incorrect log style"));
    }

    if (!isPda)
        sizerAll->Add(new wxStaticBitmap(this, wxID_ANY, bitmap), 0,
                  wxALIGN_CENTRE_VERTICAL);

    const wxString& message = messages.Last();
    sizerAll->Add(CreateTextSizer(message), 1,
                  wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, MARGIN);
#ifndef __SMARTPHONE__
    sizerAll->Add(sizerButtons, 0, isPda ? wxCENTRE|wxTOP|wxBOTTOM : (wxALIGN_RIGHT | wxLEFT), MARGIN);
#endif

    sizerTop->Add(sizerAll, 0, wxALL | wxEXPAND, MARGIN);

    SetSizer(sizerTop);

    // see comments in OnDetails()
    //