X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0a050e347b1ece07ad5f165ba1b1d16edbeae77..b6042e683f8e3dae5b79d6eb248852bc4b3a6e90:/src/generic/logg.cpp?ds=inline

diff --git a/src/generic/logg.cpp b/src/generic/logg.cpp
index 04656f2d6f..80aab72d47 100644
--- a/src/generic/logg.cpp
+++ b/src/generic/logg.cpp
@@ -44,16 +44,24 @@
 #if wxUSE_LOGGUI || wxUSE_LOGWINDOW
 
 #include "wx/file.h"
+#include "wx/clipbrd.h"
+#include "wx/dataobj.h"
 #include "wx/textfile.h"
 #include "wx/statline.h"
 #include "wx/artprov.h"
 #include "wx/collpane.h"
+#include "wx/arrstr.h"
+
+#if wxUSE_THREADS
+    #include "wx/thread.h"
+#endif // wxUSE_THREADS
 
 #ifdef  __WXMSW__
     // for OutputDebugString()
     #include  "wx/msw/private.h"
 #endif // Windows
 
+
 #ifdef  __WXPM__
     #include <time.h>
 #endif
@@ -73,6 +81,8 @@
 // the suffix we add to the button to show that the dialog can be expanded
 #define EXPAND_SUFFIX _T(" >>")
 
+#define CAN_SAVE_FILES (wxUSE_FILE && wxUSE_FILEDLG)
+
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
@@ -111,9 +121,12 @@ public:
 
     // event handlers
     void OnOk(wxCommandEvent& event);
-#if wxUSE_FILE
+#if wxUSE_CLIPBOARD
+    void OnCopy(wxCommandEvent& event);
+#endif // wxUSE_CLIPBOARD
+#if CAN_SAVE_FILES
     void OnSave(wxCommandEvent& event);
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
     void OnListSelect(wxListEvent& event);
     void OnListItemActivated(wxListEvent& event);
 
@@ -136,6 +149,12 @@ private:
         return text;
     }
 
+#if CAN_SAVE_FILES || wxUSE_CLIPBOARD
+    // return the contents of the dialog as a multiline string
+    wxString GetLogMessages() const;
+#endif // CAN_SAVE_FILES || wxUSE_CLIPBOARD
+
+
     // the data for the listctrl
     wxArrayString m_messages;
     wxArrayInt m_severity;
@@ -144,14 +163,6 @@ private:
     // the controls which are not shown initially (but only when details
     // button is pressed)
     wxListCtrl *m_listctrl;
-#ifndef __SMARTPHONE__
-#if wxUSE_STATLINE
-    wxStaticLine *m_statline;
-#endif // wxUSE_STATLINE
-#if wxUSE_FILE
-    wxButton *m_btnSave;
-#endif // wxUSE_FILE
-#endif // __SMARTPHONE__
 
     // the translated "Details" string
     static wxString ms_details;
@@ -165,9 +176,12 @@ private:
 
 BEGIN_EVENT_TABLE(wxLogDialog, wxDialog)
     EVT_BUTTON(wxID_OK, wxLogDialog::OnOk)
-#if wxUSE_FILE
+#if wxUSE_CLIPBOARD
+    EVT_BUTTON(wxID_COPY,   wxLogDialog::OnCopy)
+#endif // wxUSE_CLIPBOARD
+#if CAN_SAVE_FILES
     EVT_BUTTON(wxID_SAVE,   wxLogDialog::OnSave)
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
     EVT_LIST_ITEM_SELECTED(wxID_ANY, wxLogDialog::OnListSelect)
     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxLogDialog::OnListItemActivated)
 END_EVENT_TABLE()
@@ -178,7 +192,7 @@ END_EVENT_TABLE()
 // private functions
 // ----------------------------------------------------------------------------
 
-#if wxUSE_FILE && wxUSE_FILEDLG
+#if CAN_SAVE_FILES
 
 // pass an uninitialized file object, the function will ask the user for the
 // filename and try to open it, returns true on success (file was opened),
@@ -186,7 +200,7 @@ END_EVENT_TABLE()
 // dialog was cancelled
 static int OpenLogFile(wxFile& file, wxString *filename = NULL, wxWindow *parent = NULL);
 
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
 
 // ----------------------------------------------------------------------------
 // global variables
@@ -267,6 +281,74 @@ void wxLogGui::Clear()
     m_aTimes.Empty();
 }
 
+int wxLogGui::GetSeverityIcon() const
+{
+    return m_bErrors ? wxICON_STOP
+                     : m_bWarnings ? wxICON_EXCLAMATION
+                                   : wxICON_INFORMATION;
+}
+
+wxString wxLogGui::GetTitle() const
+{
+    wxString titleFormat;
+    switch ( GetSeverityIcon() )
+    {
+        case wxICON_STOP:
+            titleFormat = _("%s Error");
+            break;
+
+        case wxICON_EXCLAMATION:
+            titleFormat = _("%s Warning");
+            break;
+
+        default:
+            wxFAIL_MSG( "unexpected icon severity" );
+            // fall through
+
+        case wxICON_INFORMATION:
+            titleFormat = _("%s Information");
+    }
+
+    return wxString::Format(titleFormat, wxTheApp->GetAppDisplayName());
+}
+
+void
+wxLogGui::DoShowSingleLogMessage(const wxString& message,
+                                 const wxString& title,
+                                 int style)
+{
+    wxMessageBox(message, title, wxOK | style);
+}
+
+void
+wxLogGui::DoShowMultipleLogMessages(const wxArrayString& messages,
+                                    const wxArrayInt& severities,
+                                    const wxArrayLong& times,
+                                    const wxString& title,
+                                    int style)
+{
+#if wxUSE_LOG_DIALOG
+    wxLogDialog dlg(NULL,
+                    messages, severities, times,
+                    title, style);
+
+    // clear the message list before showing the dialog because while it's
+    // shown some new messages may appear
+    Clear();
+
+    (void)dlg.ShowModal();
+#else // !wxUSE_LOG_DIALOG
+    // start from the most recent message
+    wxString message;
+    str.reserve(nMsgCount*100);
+    for ( size_t n = nMsgCount; n > 0; n-- ) {
+        message << m_aMessages[n - 1] << wxT("\n");
+    }
+
+    DoShowSingleLogMessage(message, title, style);
+#endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
+}
+
 void wxLogGui::Flush()
 {
     if ( !m_bHasMessages )
@@ -275,87 +357,45 @@ void wxLogGui::Flush()
     // do it right now to block any new calls to Flush() while we're here
     m_bHasMessages = false;
 
-    unsigned repeatCount = 0;
-    if ( wxLog::GetRepetitionCounting() )
-    {
-        repeatCount = wxLog::DoLogNumberOfRepeats();
-    }
+    // note that this must be done before examining m_aMessages as it may log
+    // yet another message
+    const unsigned repeatCount = LogLastRepeatIfNeeded();
 
-    wxString appName = wxTheApp->GetAppName();
-    if ( !appName.empty() )
-        appName[0u] = (wxChar)wxToupper(appName[0u]);
+    const size_t nMsgCount = m_aMessages.size();
 
-    long style;
-    wxString titleFormat;
-    if ( m_bErrors ) {
-        titleFormat = _("%s Error");
-        style = wxICON_STOP;
-    }
-    else if ( m_bWarnings ) {
-        titleFormat = _("%s Warning");
-        style = wxICON_EXCLAMATION;
-    }
-    else {
-        titleFormat = _("%s Information");
-        style = wxICON_INFORMATION;
+    if ( repeatCount > 0 )
+    {
+        m_aMessages[nMsgCount - 1] << " (" << m_aMessages[nMsgCount - 2] << ")";
     }
 
-    wxString title;
-    title.Printf(titleFormat, appName.c_str());
-
-    size_t nMsgCount = m_aMessages.GetCount();
+    const wxString title = GetTitle();
+    const int style = GetSeverityIcon();
 
     // avoid showing other log dialogs until we're done with the dialog we're
     // showing right now: nested modal dialogs make for really bad UI!
     Suspend();
 
-    wxString str;
     if ( nMsgCount == 1 )
     {
-        str = m_aMessages[0];
+        // make a copy before calling Clear()
+        const wxString message(m_aMessages[0]);
+        Clear();
+
+        DoShowSingleLogMessage(message, title, style);
     }
     else // more than one message
     {
-#if wxUSE_LOG_DIALOG
+        wxArrayString messages;
+        wxArrayInt severities;
+        wxArrayLong times;
 
-        if ( repeatCount > 0 )
-            m_aMessages[nMsgCount-1] += wxString::Format(wxT(" (%s)"), m_aMessages[nMsgCount-2].c_str());
-        wxLogDialog dlg(NULL,
-                        m_aMessages, m_aSeverity, m_aTimes,
-                        title, style);
+        messages.swap(m_aMessages);
+        severities.swap(m_aSeverity);
+        times.swap(m_aTimes);
 
-        // clear the message list before showing the dialog because while it's
-        // shown some new messages may appear
         Clear();
 
-        (void)dlg.ShowModal();
-#else // !wxUSE_LOG_DIALOG
-        // concatenate all strings (but not too many to not overfill the msg box)
-        size_t nLines = 0;
-
-        // start from the most recent message
-        for ( size_t n = nMsgCount; n > 0; n-- ) {
-            // for Windows strings longer than this value are wrapped (NT 4.0)
-            const size_t nMsgLineWidth = 156;
-
-            nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
-
-            if ( nLines > 25 )  // don't put too many lines in message box
-                break;
-
-            str << m_aMessages[n - 1] << wxT("\n");
-        }
-#endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
-    }
-
-    // this catches both cases of 1 message with wxUSE_LOG_DIALOG and any
-    // situation without it
-    if ( !str.empty() )
-    {
-        wxMessageBox(str, title, wxOK | style);
-
-        // no undisplayed messages whatsoever
-        Clear();
+        DoShowMultipleLogMessages(messages, severities, times, title, style);
     }
 
     // allow flushing the logs again
@@ -469,19 +509,25 @@ class wxLogFrame : public wxFrame
 {
 public:
     // ctor & dtor
-    wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle);
+    wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxString& szTitle);
     virtual ~wxLogFrame();
 
     // menu callbacks
     void OnClose(wxCommandEvent& event);
     void OnCloseWindow(wxCloseEvent& event);
-#if wxUSE_FILE
-    void OnSave (wxCommandEvent& event);
-#endif // wxUSE_FILE
+#if CAN_SAVE_FILES
+    void OnSave(wxCommandEvent& event);
+#endif // CAN_SAVE_FILES
     void OnClear(wxCommandEvent& event);
 
-    // accessors
-    wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
+    // this function is safe to call from any thread (notice that it should be
+    // also called from the main thread to ensure that the messages logged from
+    // it appear in correct order with the messages from the other threads)
+    void AddLogMessage(const wxString& message);
+
+    // actually append the messages logged from secondary threads to the text
+    // control during idle time in the main thread
+    virtual void OnInternalIdle();
 
 private:
     // use standard ids for our commands!
@@ -495,9 +541,24 @@ private:
     // common part of OnClose() and OnCloseWindow()
     void DoClose();
 
+    // do show the message in the text control
+    void DoShowLogMessage(const wxString& message)
+    {
+        m_pTextCtrl->AppendText(message);
+    }
+
     wxTextCtrl  *m_pTextCtrl;
     wxLogWindow *m_log;
 
+    // queue of messages logged from other threads which need to be displayed
+    wxArrayString m_pendingMessages;
+
+#if wxUSE_THREADS
+    // critical section to protect access to m_pendingMessages
+    wxCriticalSection m_critSection;
+#endif // wxUSE_THREADS
+
+
     DECLARE_EVENT_TABLE()
     DECLARE_NO_COPY_CLASS(wxLogFrame)
 };
@@ -505,15 +566,15 @@ private:
 BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
     // wxLogWindow menu events
     EVT_MENU(Menu_Close, wxLogFrame::OnClose)
-#if wxUSE_FILE
+#if CAN_SAVE_FILES
     EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
     EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
 
     EVT_CLOSE(wxLogFrame::OnCloseWindow)
 END_EVENT_TABLE()
 
-wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle)
+wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxString& szTitle)
           : wxFrame(pParent, wxID_ANY, szTitle)
 {
     m_log = log;
@@ -533,9 +594,9 @@ wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitl
     // create menu
     wxMenuBar *pMenuBar = new wxMenuBar;
     wxMenu *pMenu = new wxMenu;
-#if wxUSE_FILE
+#if CAN_SAVE_FILES
     pMenu->Append(Menu_Save,  _("&Save..."), _("Save log contents to file"));
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
     pMenu->Append(Menu_Clear, _("C&lear"), _("Clear the log contents"));
     pMenu->AppendSeparator();
     pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
@@ -571,10 +632,9 @@ void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
     DoClose();
 }
 
-#if wxUSE_FILE
+#if CAN_SAVE_FILES
 void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
 {
-#if wxUSE_FILEDLG
     wxString filename;
     wxFile file;
     int rc = OpenLogFile(file, &filename, this);
@@ -603,15 +663,51 @@ void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
     else {
         wxLogStatus((wxFrame*)this, _("Log saved to the file '%s'."), filename.c_str());
     }
-#endif
 }
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
 
 void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
 {
     m_pTextCtrl->Clear();
 }
 
+void wxLogFrame::OnInternalIdle()
+{
+    {
+        wxCRIT_SECT_LOCKER(locker, m_critSection);
+
+        const size_t count = m_pendingMessages.size();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            DoShowLogMessage(m_pendingMessages[n]);
+        }
+
+        m_pendingMessages.clear();
+    } // release m_critSection
+
+    wxFrame::OnInternalIdle();
+}
+
+void wxLogFrame::AddLogMessage(const wxString& message)
+{
+    wxCRIT_SECT_LOCKER(locker, m_critSection);
+
+#if wxUSE_THREADS
+    if ( !wxThread::IsMain() || !m_pendingMessages.empty() )
+    {
+        // message needs to be queued for later showing
+        m_pendingMessages.Add(message);
+
+        wxWakeUpIdle();
+    }
+    else // we are the main thread and no messages are queued, so we can
+         // log the message directly
+#endif // wxUSE_THREADS
+    {
+        DoShowLogMessage(message);
+    }
+}
+
 wxLogFrame::~wxLogFrame()
 {
     m_log->OnFrameDelete(this);
@@ -621,7 +717,7 @@ wxLogFrame::~wxLogFrame()
 // -----------
 
 wxLogWindow::wxLogWindow(wxWindow *pParent,
-                         const wxChar *szTitle,
+                         const wxString& szTitle,
                          bool bShow,
                          bool bDoPass)
 {
@@ -672,22 +768,12 @@ void wxLogWindow::DoLog(wxLogLevel level, const wxString& szString, time_t t)
 
 void wxLogWindow::DoLogString(const wxString& 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
+    m_pLogFrame->AddLogMessage(msg);
 }
 
 wxFrame *wxLogWindow::GetFrame() const
@@ -724,12 +810,6 @@ wxLogWindow::~wxLogWindow()
 
 #if wxUSE_LOG_DIALOG
 
-#ifndef __SMARTPHONE__
-static const size_t MARGIN = 10;
-#else
-static const size_t MARGIN = 0;
-#endif
-
 wxString wxLogDialog::ms_details;
 size_t wxLogDialog::ms_maxLength = 0;
 
@@ -773,19 +853,7 @@ wxLogDialog::wxLogDialog(wxWindow *parent,
         m_times.Add(times[n]);
     }
 
-    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__
+    m_listctrl = NULL;
 
     bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
 
@@ -795,68 +863,59 @@ wxLogDialog::wxLogDialog(wxWindow *parent,
     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
     wxBoxSizer *sizerAll = new wxBoxSizer(isPda ? wxVERTICAL : wxHORIZONTAL);
 
-    wxBitmap bitmap;
-    switch ( style & wxICON_MASK )
+    if (!isPda)
     {
-        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"));
+        wxStaticBitmap *icon = new wxStaticBitmap
+                                   (
+                                    this,
+                                    wxID_ANY,
+                                    wxArtProvider::GetMessageBoxIcon(style)
+                                   );
+        sizerAll->Add(icon, wxSizerFlags().Centre());
     }
 
-    if (!isPda)
-        sizerAll->Add(new wxStaticBitmap(this, wxID_ANY, bitmap), 0,
-                  wxALIGN_CENTRE_VERTICAL);
-
     // create the text sizer with a minimal size so that we are sure it won't be too small
     wxString message = EllipsizeString(messages.Last());
     wxSizer *szText = CreateTextSizer(message);
     szText->SetMinSize(wxMin(300, wxGetDisplaySize().x / 3), -1);
 
-    sizerAll->Add(szText, 1,
-                  wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, MARGIN);
+    sizerAll->Add(szText, wxSizerFlags(1).Centre().Border(wxLEFT | wxRIGHT));
 
     wxButton *btnOk = new wxButton(this, wxID_OK);
-    sizerAll->Add(btnOk, 0, isPda ? wxCENTRE : wxCENTRE|wxBOTTOM, MARGIN/2);
+    sizerAll->Add(btnOk, wxSizerFlags().Centre());
 
-    sizerTop->Add(sizerAll, 0, wxALL | wxEXPAND, MARGIN);
+    sizerTop->Add(sizerAll, wxSizerFlags().Expand().Border());
 
 
     // add the details pane
-
 #ifndef __SMARTPHONE__
-    wxCollapsiblePane *collpane = new wxCollapsiblePane(this, wxID_ANY, ms_details);
-    sizerTop->Add(collpane, 1, wxGROW|wxALL, MARGIN);
+    wxCollapsiblePane * const
+        collpane = new wxCollapsiblePane(this, wxID_ANY, ms_details);
+    sizerTop->Add(collpane, wxSizerFlags(1).Expand().Border());
 
     wxWindow *win = collpane->GetPane();
-    wxSizer *paneSz = new wxBoxSizer(wxVERTICAL);
+    wxSizer * const paneSz = new wxBoxSizer(wxVERTICAL);
 
     CreateDetailsControls(win);
 
-    paneSz->Add(m_listctrl, 1, wxEXPAND | wxTOP, MARGIN);
+    paneSz->Add(m_listctrl, wxSizerFlags(1).Expand().Border(wxTOP));
+
+#if wxUSE_CLIPBOARD || CAN_SAVE_FILES
+    wxBoxSizer * const btnSizer = new wxBoxSizer(wxHORIZONTAL);
+
+    wxSizerFlags flagsBtn;
+    flagsBtn.Border(wxLEFT);
 
-#if wxUSE_FILE && !defined(__SMARTPHONE__)
-    paneSz->Add(m_btnSave, 0, wxALIGN_RIGHT | wxTOP, MARGIN);
-#endif // wxUSE_FILE
+#if wxUSE_CLIPBOARD
+    btnSizer->Add(new wxButton(win, wxID_COPY), flagsBtn);
+#endif // wxUSE_CLIPBOARD
+
+#if CAN_SAVE_FILES
+    btnSizer->Add(new wxButton(win, wxID_SAVE), flagsBtn);
+#endif // CAN_SAVE_FILES
+
+    paneSz->Add(btnSizer, wxSizerFlags().Right().Border(wxTOP));
+#endif // wxUSE_CLIPBOARD || CAN_SAVE_FILES
 
     win->SetSizer(paneSz);
     paneSz->SetSizeHints(win);
@@ -879,14 +938,6 @@ wxLogDialog::wxLogDialog(wxWindow *parent,
 
 void wxLogDialog::CreateDetailsControls(wxWindow *parent)
 {
-#ifndef __SMARTPHONE__
-    // create the save button and separator line if possible
-#if wxUSE_FILE
-    m_btnSave = new wxButton(parent, wxID_SAVE);
-#endif // wxUSE_FILE
-
-#endif // __SMARTPHONE__
-
     // create the list ctrl now
     m_listctrl = new wxListCtrl(parent, wxID_ANY,
                                 wxDefaultPosition, wxDefaultSize,
@@ -1021,7 +1072,7 @@ void wxLogDialog::OnListItemActivated(wxListEvent& event)
     // as there's a 260 chars limit on the items inside a wxListCtrl in wxMSW.
     wxString str = m_messages[event.GetIndex()];
 
-    // wxMessageBox will nicely handle the '\n' in the string (if any) 
+    // wxMessageBox will nicely handle the '\n' in the string (if any)
     // and supports long strings
     wxMessageBox(str, wxT("Log message"), wxOK, this);
 }
@@ -1031,49 +1082,65 @@ void wxLogDialog::OnOk(wxCommandEvent& WXUNUSED(event))
     EndModal(wxID_OK);
 }
 
-#if wxUSE_FILE
+#if CAN_SAVE_FILES || wxUSE_CLIPBOARD
 
-void wxLogDialog::OnSave(wxCommandEvent& WXUNUSED(event))
+wxString wxLogDialog::GetLogMessages() const
 {
-#if wxUSE_FILEDLG
-    wxFile file;
-    int rc = OpenLogFile(file, NULL, this);
-    if ( rc == -1 )
-    {
-        // cancelled
-        return;
-    }
-
-    bool ok = rc != 0;
-
     wxString fmt = wxLog::GetTimestamp();
-    if ( !fmt )
+    if ( fmt.empty() )
     {
-        // default format
-        fmt = _T("%c");
+        // use the default format
+        fmt = "%c";
     }
 
-    size_t count = m_messages.GetCount();
-    for ( size_t n = 0; ok && (n < count); n++ )
+    const size_t count = m_messages.GetCount();
+
+    wxString text;
+    text.reserve(count*m_messages[0].length());
+    for ( size_t n = 0; n < count; n++ )
     {
-        wxString line;
-        line << TimeStamp(fmt, (time_t)m_times[n])
-             << _T(": ")
+        text << TimeStamp(fmt, (time_t)m_times[n])
+             << ": "
              << m_messages[n]
              << wxTextFile::GetEOL();
+    }
+
+    return text;
+}
+
+#endif // CAN_SAVE_FILES || wxUSE_CLIPBOARD
 
-        ok = file.Write(line);
+#if wxUSE_CLIPBOARD
+
+void wxLogDialog::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+    wxClipboardLocker clip;
+    if ( !clip ||
+            !wxTheClipboard->AddData(new wxTextDataObject(GetLogMessages())) )
+    {
+        wxLogError(_("Failed to copy dialog contents to the clipboard."));
     }
+}
+
+#endif // wxUSE_CLIPBOARD
 
-    if ( ok )
-        ok = file.Close();
+#if CAN_SAVE_FILES
+
+void wxLogDialog::OnSave(wxCommandEvent& WXUNUSED(event))
+{
+    wxFile file;
+    int rc = OpenLogFile(file, NULL, this);
+    if ( rc == -1 )
+    {
+        // cancelled
+        return;
+    }
 
-    if ( !ok )
+    if ( !rc || !file.Write(GetLogMessages()) || !file.Close() )
         wxLogError(_("Can't save log contents to file."));
-#endif // wxUSE_FILEDLG
 }
 
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
 
 wxLogDialog::~wxLogDialog()
 {
@@ -1085,7 +1152,7 @@ wxLogDialog::~wxLogDialog()
 
 #endif // wxUSE_LOG_DIALOG
 
-#if wxUSE_FILE && wxUSE_FILEDLG
+#if CAN_SAVE_FILES
 
 // pass an uninitialized file object, the function will ask the user for the
 // filename and try to open it, returns true on success (file was opened),
@@ -1103,7 +1170,7 @@ static int OpenLogFile(wxFile& file, wxString *pFilename, wxWindow *parent)
 
     // open file
     // ---------
-    bool bOk wxDUMMY_INITIALIZE(false);
+    bool bOk = false;
     if ( wxFile::Exists(filename) ) {
         bool bAppend = false;
         wxString strMsg;
@@ -1143,7 +1210,7 @@ static int OpenLogFile(wxFile& file, wxString *pFilename, wxWindow *parent)
     return bOk;
 }
 
-#endif // wxUSE_FILE
+#endif // CAN_SAVE_FILES
 
 #endif // !(wxUSE_LOGGUI || wxUSE_LOGWINDOW)