src/generic/logg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        logg.cpp
   3 // Purpose:     wxLog-derived classes which need GUI support (the rest is in
   4 //              src/common/log.cpp)
   5 // Author:      Vadim Zeitlin
   6 // Modified by:
   7 // Created:     20.09.99 (extracted from src/common/log.cpp)
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // no #pragma implementation "log.h" because it's already in src/common/log.cpp
  22
  23 // For compilers that support precompilation, includes "wx.h".
  24 #include "wx/wxprec.h"
  25
  26 #ifdef __BORLANDC__
  27   #pragma hdrstop
  28 #endif
  29
  30 #if !wxUSE_GUI
  31     #error "This file can't be compiled without GUI!"
  32 #endif
  33
  34 #ifndef WX_PRECOMP
  35     #include "wx/app.h"
  36     #include "wx/intl.h"
  37     #include "wx/log.h"
  38     #include "wx/menu.h"
  39     #include "wx/frame.h"
  40     #include "wx/filedlg.h"
  41     #include "wx/msgdlg.h"
  42     #include "wx/textctrl.h"
  43     #include "wx/sizer.h"
  44     #include "wx/statbmp.h"
  45 #endif // WX_PRECOMP
  46
  47 #include "wx/file.h"
  48 #include "wx/textfile.h"
  49
  50 #ifdef  __WXMSW__
  51   // for OutputDebugString()
  52   #include  "wx/msw/private.h"
  53 #endif // Windows
  54
  55 // may be defined to 0 for old behavior (using wxMessageBox) - shouldn't be
  56 // changed normally (that's why it's here and not in setup.h)
  57 #define wxUSE_LOG_DIALOG 1
  58
  59 #if wxUSE_LOG_DIALOG
  60     #include "wx/datetime.h"
  61     #include "wx/listctrl.h"
  62     #include "wx/image.h"
  63 #else // !wxUSE_TEXTFILE
  64     #include "wx/msgdlg.h"
  65 #endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
  66
  67 // ----------------------------------------------------------------------------
  68 // private classes
  69 // ----------------------------------------------------------------------------
  70
  71 #if wxUSE_LOG_DIALOG
  72
  73 class wxLogDialog : public wxDialog
  74 {
  75 public:
  76     wxLogDialog(wxWindow *parent,
  77                 const wxArrayString& messages,
  78                 const wxArrayInt& severity,
  79                 const wxArrayLong& timess,
  80                 const wxString& caption,
  81                 long style);
  82     virtual ~wxLogDialog();
  83
  84     // event handlers
  85     void OnOk(wxCommandEvent& event);
  86     void OnDetails(wxCommandEvent& event);
  87
  88 private:
  89     // the data for the listctrl
  90     wxArrayString m_messages;
  91     wxArrayInt m_severity;
  92     wxArrayLong m_times;
  93
  94     // the "toggle" button and its state
  95     wxButton *m_btnDetails;
  96     bool      m_showingDetails;
  97
  98     // the listctrl (not shown initially)
  99     wxListCtrl *m_listctrl;
 100
 101     DECLARE_EVENT_TABLE()
 102 };
 103
 104 BEGIN_EVENT_TABLE(wxLogDialog, wxDialog)
 105     EVT_BUTTON(wxID_OK,     wxLogDialog::OnOk)
 106     EVT_BUTTON(wxID_MORE,   wxLogDialog::OnDetails)
 107 END_EVENT_TABLE()
 108
 109 #endif // wxUSE_LOG_DIALOG
 110
 111 // ----------------------------------------------------------------------------
 112 // global variables
 113 // ----------------------------------------------------------------------------
 114
 115 // we use a global variable to store the frame pointer for wxLogStatus - bad,
 116 // but it's he easiest way
 117 static wxFrame *gs_pFrame; // FIXME MT-unsafe
 118
 119 // ============================================================================
 120 // implementation
 121 // ============================================================================
 122
 123 // ----------------------------------------------------------------------------
 124 // global functions
 125 // ----------------------------------------------------------------------------
 126
 127 // accepts an additional argument which tells to which frame the output should
 128 // be directed
 129 void wxLogStatus(wxFrame *pFrame, const wxChar *szFormat, ...)
 130 {
 131   wxString msg;
 132
 133   wxLog *pLog = wxLog::GetActiveTarget();
 134   if ( pLog != NULL ) {
 135     va_list argptr;
 136     va_start(argptr, szFormat);
 137     msg.PrintfV(szFormat, argptr);
 138     va_end(argptr);
 139
 140     wxASSERT( gs_pFrame == NULL ); // should be reset!
 141     gs_pFrame = pFrame;
 142     wxLog::OnLog(wxLOG_Status, msg, time(NULL));
 143     gs_pFrame = (wxFrame *) NULL;
 144   }
 145 }
 146
 147 // ----------------------------------------------------------------------------
 148 // wxLogTextCtrl implementation
 149 // ----------------------------------------------------------------------------
 150
 151 wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)
 152 {
 153     m_pTextCtrl = pTextCtrl;
 154 }
 155
 156 void wxLogTextCtrl::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 157 {
 158     wxString msg;
 159     TimeStamp(&msg);
 160     msg << szString << wxT('\n');
 161
 162     m_pTextCtrl->AppendText(msg);
 163 }
 164
 165 // ----------------------------------------------------------------------------
 166 // wxLogGui implementation (FIXME MT-unsafe)
 167 // ----------------------------------------------------------------------------
 168
 169 wxLogGui::wxLogGui()
 170 {
 171     Clear();
 172 }
 173
 174 void wxLogGui::Clear()
 175 {
 176     m_bErrors = m_bWarnings = FALSE;
 177     m_aMessages.Empty();
 178     m_aSeverity.Empty();
 179     m_aTimes.Empty();
 180 }
 181
 182 void wxLogGui::Flush()
 183 {
 184     if ( !m_bHasMessages )
 185         return;
 186
 187     // do it right now to block any new calls to Flush() while we're here
 188     m_bHasMessages = FALSE;
 189
 190     wxString title = wxTheApp->GetAppName();
 191     if ( !!title )
 192     {
 193         title[0u] = wxToupper(title[0u]);
 194         title += _T(' ');
 195     }
 196
 197     long style;
 198     if ( m_bErrors ) {
 199         title += _("Error");
 200         style = wxICON_STOP;
 201     }
 202     else if ( m_bWarnings ) {
 203         title += _("Warning");
 204         style = wxICON_EXCLAMATION;
 205     }
 206     else {
 207         title += _("Information");
 208         style = wxICON_INFORMATION;
 209     }
 210
 211 #if wxUSE_LOG_DIALOG
 212     wxLogDialog dlg(wxTheApp->GetTopWindow(),
 213                     m_aMessages, m_aSeverity, m_aTimes,
 214                     title, style);
 215
 216     // clear the message list before showing the dialog because while it's
 217     // shown some new messages may appear
 218     Clear();
 219
 220     (void)dlg.ShowModal();
 221
 222 #else // !wxUSE_LOG_DIALOG
 223     // concatenate all strings (but not too many to not overfill the msg box)
 224     wxString str;
 225     size_t nLines = 0,
 226     nMsgCount = m_aMessages.Count();
 227
 228     // start from the most recent message
 229     for ( size_t n = nMsgCount; n > 0; n-- ) {
 230         // for Windows strings longer than this value are wrapped (NT 4.0)
 231         const size_t nMsgLineWidth = 156;
 232
 233         nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
 234
 235         if ( nLines > 25 )  // don't put too many lines in message box
 236             break;
 237
 238         str << m_aMessages[n - 1] << wxT("\n");
 239     }
 240
 241     wxMessageBox(str, title, wxOK | style);
 242
 243     // no undisplayed messages whatsoever
 244     Clear();
 245 #endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
 246
 247     // do it here again
 248     m_bHasMessages = FALSE;
 249 }
 250
 251 // the default behaviour is to discard all informational messages if there
 252 // are any errors/warnings.
 253 void wxLogGui::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 254 {
 255     switch ( level ) {
 256         case wxLOG_Info:
 257             if ( GetVerbose() )
 258         case wxLOG_Message:
 259             {
 260                 if ( !m_bErrors ) {
 261                     m_aMessages.Add(szString);
 262                     m_aSeverity.Add(wxLOG_Message);
 263                     m_aTimes.Add((long)t);
 264                     m_bHasMessages = TRUE;
 265                 }
 266             }
 267             break;
 268
 269         case wxLOG_Status:
 270 #if wxUSE_STATUSBAR
 271             {
 272                 // find the top window and set it's status text if it has any
 273                 wxFrame *pFrame = gs_pFrame;
 274                 if ( pFrame == NULL ) {
 275                     wxWindow *pWin = wxTheApp->GetTopWindow();
 276                     if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
 277                         pFrame = (wxFrame *)pWin;
 278                     }
 279                 }
 280
 281                 if ( pFrame && pFrame->GetStatusBar() )
 282                     pFrame->SetStatusText(szString);
 283             }
 284 #endif // wxUSE_STATUSBAR
 285             break;
 286
 287         case wxLOG_Trace:
 288         case wxLOG_Debug:
 289             #ifdef __WXDEBUG__
 290             {
 291                 #ifdef __WXMSW__
 292                     // don't prepend debug/trace here: it goes to the
 293                     // debug window anyhow, but do put a timestamp
 294                     wxString str;
 295                     TimeStamp(&str);
 296                     str << szString << wxT("\n\r");
 297                     OutputDebugString(str);
 298                 #else
 299                     // send them to stderr
 300                     wxFprintf(stderr, wxT("%s: %s\n"),
 301                               level == wxLOG_Trace ? wxT("Trace")
 302                                                    : wxT("Debug"),
 303                               szString);
 304                     fflush(stderr);
 305                 #endif
 306             }
 307             #endif // __WXDEBUG__
 308
 309             break;
 310
 311         case wxLOG_FatalError:
 312             // show this one immediately
 313             wxMessageBox(szString, _("Fatal error"), wxICON_HAND);
 314             wxExit();
 315             break;
 316
 317         case wxLOG_Error:
 318             if ( !m_bErrors ) {
 319 #if !wxUSE_LOG_DIALOG
 320                 // discard earlier informational messages if this is the 1st
 321                 // error because they might not make sense any more and showing
 322                 // them in a message box might be confusing
 323                 m_aMessages.Empty();
 324                 m_aSeverity.Empty();
 325                 m_aTimes.Empty();
 326 #endif // wxUSE_LOG_DIALOG
 327                 m_bErrors = TRUE;
 328             }
 329             // fall through
 330
 331         case wxLOG_Warning:
 332             if ( !m_bErrors ) {
 333                 // for the warning we don't discard the info messages
 334                 m_bWarnings = TRUE;
 335             }
 336
 337             m_aMessages.Add(szString);
 338             m_aSeverity.Add((int)level);
 339             m_aTimes.Add((long)t);
 340             m_bHasMessages = TRUE;
 341             break;
 342     }
 343 }
 344
 345 // ----------------------------------------------------------------------------
 346 // wxLogWindow and wxLogFrame implementation
 347 // ----------------------------------------------------------------------------
 348
 349 // log frame class
 350 // ---------------
 351 class wxLogFrame : public wxFrame
 352 {
 353 public:
 354     // ctor & dtor
 355     wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle);
 356     virtual ~wxLogFrame();
 357
 358     // menu callbacks
 359     void OnClose(wxCommandEvent& event);
 360     void OnCloseWindow(wxCloseEvent& event);
 361 #if wxUSE_FILE
 362     void OnSave (wxCommandEvent& event);
 363 #endif // wxUSE_FILE
 364     void OnClear(wxCommandEvent& event);
 365
 366     void OnIdle(wxIdleEvent&);
 367
 368     // accessors
 369     wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
 370
 371 private:
 372     enum
 373     {
 374         Menu_Close = 100,
 375         Menu_Save,
 376         Menu_Clear
 377     };
 378
 379     // instead of closing just hide the window to be able to Show() it later
 380     void DoClose() { Show(FALSE); }
 381
 382     wxTextCtrl  *m_pTextCtrl;
 383     wxLogWindow *m_log;
 384
 385     DECLARE_EVENT_TABLE()
 386 };
 387
 388 BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
 389     // wxLogWindow menu events
 390     EVT_MENU(Menu_Close, wxLogFrame::OnClose)
 391 #if wxUSE_FILE
 392     EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
 393 #endif // wxUSE_FILE
 394     EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
 395
 396     EVT_CLOSE(wxLogFrame::OnCloseWindow)
 397 END_EVENT_TABLE()
 398
 399 wxLogFrame::wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle)
 400           : wxFrame(pParent, -1, szTitle)
 401 {
 402     m_log = log;
 403
 404     m_pTextCtrl = new wxTextCtrl(this, -1, wxEmptyString, wxDefaultPosition,
 405             wxDefaultSize,
 406             wxTE_MULTILINE  |
 407             wxHSCROLL       |
 408             wxTE_READONLY);
 409
 410     // create menu
 411     wxMenuBar *pMenuBar = new wxMenuBar;
 412     wxMenu *pMenu = new wxMenu;
 413 #if wxUSE_FILE
 414     pMenu->Append(Menu_Save,  _("&Save..."), _("Save log contents to file"));
 415 #endif // wxUSE_FILE
 416     pMenu->Append(Menu_Clear, _("C&lear"), _("Clear the log contents"));
 417     pMenu->AppendSeparator();
 418     pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
 419     pMenuBar->Append(pMenu, _("&Log"));
 420     SetMenuBar(pMenuBar);
 421
 422 #if wxUSE_STATUSBAR
 423     // status bar for menu prompts
 424     CreateStatusBar();
 425 #endif // wxUSE_STATUSBAR
 426
 427     m_log->OnFrameCreate(this);
 428 }
 429
 430 void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event))
 431 {
 432     DoClose();
 433 }
 434
 435 void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 436 {
 437     DoClose();
 438 }
 439
 440 #if wxUSE_FILE
 441 void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
 442 {
 443     // get the file name
 444     // -----------------
 445     const wxChar *szFileName = wxSaveFileSelector(wxT("log"), wxT("txt"), wxT("log.txt"));
 446     if ( szFileName == NULL ) {
 447         // cancelled
 448         return;
 449     }
 450
 451     // open file
 452     // ---------
 453     wxFile file;
 454     bool bOk = FALSE;
 455     if ( wxFile::Exists(szFileName) ) {
 456         bool bAppend = FALSE;
 457         wxString strMsg;
 458         strMsg.Printf(_("Append log to file '%s' "
 459                     "(choosing [No] will overwrite it)?"), szFileName);
 460         switch ( wxMessageBox(strMsg, _("Question"), wxYES_NO | wxCANCEL) ) {
 461             case wxYES:
 462                 bAppend = TRUE;
 463                 break;
 464
 465             case wxNO:
 466                 bAppend = FALSE;
 467                 break;
 468
 469             case wxCANCEL:
 470                 return;
 471
 472             default:
 473                 wxFAIL_MSG(_("invalid message box return value"));
 474         }
 475
 476         if ( bAppend ) {
 477             bOk = file.Open(szFileName, wxFile::write_append);
 478         }
 479         else {
 480             bOk = file.Create(szFileName, TRUE /* overwrite */);
 481         }
 482     }
 483     else {
 484         bOk = file.Create(szFileName);
 485     }
 486
 487     // retrieve text and save it
 488     // -------------------------
 489     int nLines = m_pTextCtrl->GetNumberOfLines();
 490     for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
 491         bOk = file.Write(m_pTextCtrl->GetLineText(nLine) +
 492                 // we're not going to pull in the whole wxTextFile if all we need is this...
 493 #if wxUSE_TEXTFILE
 494                 wxTextFile::GetEOL()
 495 #else // !wxUSE_TEXTFILE
 496                 '\n'
 497 #endif // wxUSE_TEXTFILE
 498                         );
 499     }
 500
 501     if ( bOk )
 502         bOk = file.Close();
 503
 504     if ( !bOk ) {
 505         wxLogError(_("Can't save log contents to file."));
 506     }
 507     else {
 508         wxLogStatus(this, _("Log saved to the file '%s'."), szFileName);
 509     }
 510 }
 511 #endif // wxUSE_FILE
 512
 513 void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
 514 {
 515     m_pTextCtrl->Clear();
 516 }
 517
 518 wxLogFrame::~wxLogFrame()
 519 {
 520     m_log->OnFrameDelete(this);
 521 }
 522
 523 // wxLogWindow
 524 // -----------
 525 wxLogWindow::wxLogWindow(wxFrame *pParent,
 526                          const wxChar *szTitle,
 527                          bool bShow,
 528                          bool bDoPass)
 529 {
 530     m_bPassMessages = bDoPass;
 531
 532     m_pLogFrame = new wxLogFrame(pParent, this, szTitle);
 533     m_pOldLog = wxLog::SetActiveTarget(this);
 534
 535     if ( bShow )
 536         m_pLogFrame->Show(TRUE);
 537 }
 538
 539 void wxLogWindow::Show(bool bShow)
 540 {
 541     m_pLogFrame->Show(bShow);
 542 }
 543
 544 void wxLogWindow::Flush()
 545 {
 546     if ( m_pOldLog != NULL )
 547         m_pOldLog->Flush();
 548
 549     m_bHasMessages = FALSE;
 550 }
 551
 552 void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 553 {
 554     // first let the previous logger show it
 555     if ( m_pOldLog != NULL && m_bPassMessages ) {
 556         // bogus cast just to access protected DoLog
 557         ((wxLogWindow *)m_pOldLog)->DoLog(level, szString, t);
 558     }
 559
 560     if ( m_pLogFrame ) {
 561         switch ( level ) {
 562             case wxLOG_Status:
 563                 // by default, these messages are ignored by wxLog, so process
 564                 // them ourselves
 565                 if ( !wxIsEmpty(szString) )
 566                 {
 567                     wxString str;
 568                     str << _("Status: ") << szString;
 569                     DoLogString(str, t);
 570                 }
 571                 break;
 572
 573                 // don't put trace messages in the text window for 2 reasons:
 574                 // 1) there are too many of them
 575                 // 2) they may provoke other trace messages thus sending a program
 576                 //    into an infinite loop
 577             case wxLOG_Trace:
 578                 break;
 579
 580             default:
 581                 // and this will format it nicely and call our DoLogString()
 582                 wxLog::DoLog(level, szString, t);
 583         }
 584     }
 585
 586     m_bHasMessages = TRUE;
 587 }
 588
 589 void wxLogWindow::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 590 {
 591     // put the text into our window
 592     wxTextCtrl *pText = m_pLogFrame->TextCtrl();
 593
 594     // remove selection (WriteText is in fact ReplaceSelection)
 595 #ifdef __WXMSW__
 596     long nLen = pText->GetLastPosition();
 597     pText->SetSelection(nLen, nLen);
 598 #endif // Windows
 599
 600     wxString msg;
 601     TimeStamp(&msg);
 602     msg << szString << wxT('\n');
 603
 604     pText->AppendText(msg);
 605
 606     // TODO ensure that the line can be seen
 607 }
 608
 609 wxFrame *wxLogWindow::GetFrame() const
 610 {
 611     return m_pLogFrame;
 612 }
 613
 614 void wxLogWindow::OnFrameCreate(wxFrame * WXUNUSED(frame))
 615 {
 616 }
 617
 618 void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
 619 {
 620     m_pLogFrame = (wxLogFrame *)NULL;
 621 }
 622
 623 wxLogWindow::~wxLogWindow()
 624 {
 625     delete m_pOldLog;
 626
 627     // may be NULL if log frame already auto destroyed itself
 628     delete m_pLogFrame;
 629 }
 630
 631 // ----------------------------------------------------------------------------
 632 // wxLogDialog
 633 // ----------------------------------------------------------------------------
 634
 635 #if wxUSE_LOG_DIALOG
 636
 637 static const size_t MARGIN = 10;
 638
 639 wxLogDialog::wxLogDialog(wxWindow *parent,
 640                          const wxArrayString& messages,
 641                          const wxArrayInt& severity,
 642                          const wxArrayLong& times,
 643                          const wxString& caption,
 644                          long style)
 645            : wxDialog(parent, -1, caption ),
 646              m_messages(messages), m_severity(severity), m_times(times)
 647 {
 648     m_showingDetails = FALSE; // not initially
 649     m_listctrl = (wxListCtrl *)NULL;
 650
 651     // create the controls which are always shown and layout them: we use
 652     // sizers even though our window is not resizeable to calculate the size of
 653     // the dialog properly
 654     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 655     wxBoxSizer *sizerButtons = new wxBoxSizer(wxVERTICAL);
 656     wxBoxSizer *sizerAll = new wxBoxSizer(wxHORIZONTAL);
 657
 658     wxButton *btnOk = new wxButton(this, wxID_OK, _T("OK"));
 659     sizerButtons->Add(btnOk, 0, wxCENTRE|wxBOTTOM, MARGIN/2);
 660     m_btnDetails = new wxButton(this, wxID_MORE, _T("&Details >>"));
 661     sizerButtons->Add(m_btnDetails, 0, wxCENTRE|wxTOP, MARGIN/2 - 1);
 662
 663     wxIcon icon = wxTheApp->GetStdIcon((int)(style & wxICON_MASK));
 664     sizerAll->Add(new wxStaticBitmap(this, -1, icon), 0, wxCENTRE);
 665     const wxString& message = messages.Last();
 666     sizerAll->Add(CreateTextSizer(message), 0, wxCENTRE|wxLEFT|wxRIGHT, MARGIN);
 667     sizerAll->Add(sizerButtons, 0, wxALIGN_RIGHT|wxLEFT, MARGIN);
 668
 669     sizerTop->Add(sizerAll, 0, wxCENTRE|wxALL, MARGIN);
 670
 671     SetAutoLayout(TRUE);
 672     SetSizer(sizerTop);
 673
 674     sizerTop->SetSizeHints(this);
 675     sizerTop->Fit(this);
 676
 677     btnOk->SetFocus();
 678
 679     if ( m_messages.GetCount() == 1 )
 680     {
 681         // no details... it's easier to disable a button than to change the
 682         // dialog layout depending on whether we have details or not
 683         m_btnDetails->Disable();
 684     }
 685
 686     Centre();
 687 }
 688
 689 void wxLogDialog::OnOk(wxCommandEvent& WXUNUSED(event))
 690 {
 691     EndModal(wxID_OK);
 692 }
 693
 694 void wxLogDialog::OnDetails(wxCommandEvent& WXUNUSED(event))
 695 {
 696     wxSizer *sizer = GetSizer();
 697
 698     if ( m_showingDetails )
 699     {
 700         m_btnDetails->SetLabel(_T("&Details >>"));
 701
 702         sizer->Remove(m_listctrl);
 703     }
 704     else // show details now
 705     {
 706         m_btnDetails->SetLabel(_T("<< &Details"));
 707
 708         if ( !m_listctrl )
 709         {
 710             // create it now
 711             m_listctrl = new wxListCtrl(this, -1,
 712                                         wxDefaultPosition, wxDefaultSize,
 713                                         wxSUNKEN_BORDER |
 714                                         wxLC_REPORT |
 715                                         wxLC_NO_HEADER );
 716             m_listctrl->InsertColumn(0, _("Message"));
 717             m_listctrl->InsertColumn(1, _("Time"));
 718
 719             // prepare the imagelist
 720             static const int ICON_SIZE = 16;
 721             wxImageList *imageList = new wxImageList(ICON_SIZE, ICON_SIZE);
 722
 723             // order should be the same as in the switch below!
 724             static const int icons[] =
 725             {
 726                 wxICON_ERROR,
 727                 wxICON_EXCLAMATION,
 728                 wxICON_INFORMATION
 729             };
 730
 731             for ( size_t icon = 0; icon < WXSIZEOF(icons); icon++ )
 732             {
 733                 wxBitmap bmp = wxTheApp->GetStdIcon(icons[icon]);
 734                 imageList->Add(wxImage(bmp).
 735                                 Rescale(ICON_SIZE, ICON_SIZE).
 736                                  ConvertToBitmap());
 737             }
 738
 739             m_listctrl->SetImageList(imageList, wxIMAGE_LIST_SMALL);
 740
 741             // and fill it
 742             wxString fmt = wxLog::GetTimestamp();
 743             if ( !fmt )
 744             {
 745                 // default format
 746                 fmt = _T("%X");
 747             }
 748
 749             size_t count = m_messages.GetCount();
 750             for ( size_t n = 0; n < count; n++ )
 751             {
 752                 int image;
 753                 switch ( m_severity[n] )
 754                 {
 755                     case wxLOG_Error:
 756                         image = 0;
 757                         break;
 758
 759                     case wxLOG_Warning:
 760                         image = 1;
 761                         break;
 762
 763                     default:
 764                         image = 2;
 765                 }
 766
 767                 m_listctrl->InsertItem(n, m_messages[n], image);
 768                 m_listctrl->SetItem(n, 1,
 769                                     wxDateTime((time_t)m_times[n]).Format(fmt));
 770             }
 771
 772             // let the columns size themselves
 773             m_listctrl->SetColumnWidth(0, wxLIST_AUTOSIZE);
 774             m_listctrl->SetColumnWidth(1, wxLIST_AUTOSIZE);
 775
 776             // get the approx height of the listctrl
 777             wxFont font = GetFont();
 778             if ( !font.Ok() )
 779                 font = *wxSWISS_FONT;
 780
 781             int y;
 782             GetTextExtent(_T("H"), (int*)NULL, &y, (int*)NULL, (int*)NULL, &font);
 783             int height = wxMin(y*(count + 3), 100);
 784             m_listctrl->SetSize(-1, height);
 785         }
 786
 787         sizer->Add(m_listctrl, 1, wxEXPAND|(wxALL & ~wxTOP), MARGIN);
 788     }
 789
 790     m_showingDetails = !m_showingDetails;
 791
 792     // in any case, our size changed - update
 793     sizer->SetSizeHints(this);
 794     sizer->Fit(this);
 795 }
 796
 797 wxLogDialog::~wxLogDialog()
 798 {
 799     if ( m_listctrl )
 800     {
 801         delete m_listctrl->GetImageList(wxIMAGE_LIST_SMALL);
 802     }
 803 }
 804
 805 #endif // wxUSE_LOG_DIALOG