src/generic/logg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/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 licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // For compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/app.h"
  30     #include "wx/button.h"
  31     #include "wx/intl.h"
  32     #include "wx/log.h"
  33     #include "wx/menu.h"
  34     #include "wx/frame.h"
  35     #include "wx/filedlg.h"
  36     #include "wx/msgdlg.h"
  37     #include "wx/textctrl.h"
  38     #include "wx/sizer.h"
  39     #include "wx/statbmp.h"
  40     #include "wx/settings.h"
  41     #include "wx/wxcrtvararg.h"
  42 #endif // WX_PRECOMP
  43
  44 #if wxUSE_LOGGUI || wxUSE_LOGWINDOW
  45
  46 #include "wx/file.h"
  47 #include "wx/textfile.h"
  48 #include "wx/statline.h"
  49 #include "wx/artprov.h"
  50 #include "wx/collpane.h"
  51
  52 #ifdef  __WXMSW__
  53     // for OutputDebugString()
  54     #include  "wx/msw/private.h"
  55 #endif // Windows
  56
  57 #ifdef  __WXPM__
  58     #include <time.h>
  59 #endif
  60
  61 #if wxUSE_LOG_DIALOG
  62     #include "wx/listctrl.h"
  63     #include "wx/imaglist.h"
  64     #include "wx/image.h"
  65 #endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
  66
  67 #if defined(__MWERKS__) && wxUSE_UNICODE
  68     #include <wtime.h>
  69 #endif
  70
  71 #include "wx/datetime.h"
  72
  73 // the suffix we add to the button to show that the dialog can be expanded
  74 #define EXPAND_SUFFIX _T(" >>")
  75
  76 // ----------------------------------------------------------------------------
  77 // private classes
  78 // ----------------------------------------------------------------------------
  79
  80 #if wxUSE_LOG_DIALOG
  81
  82 // this function is a wrapper around strftime(3)
  83 // allows to exclude the usage of wxDateTime
  84 static wxString TimeStamp(const wxChar *format, time_t t)
  85 {
  86 #if wxUSE_DATETIME
  87     wxChar buf[4096];
  88     struct tm tm;
  89     if ( !wxStrftime(buf, WXSIZEOF(buf), format, wxLocaltime_r(&t, &tm)) )
  90     {
  91         // buffer is too small?
  92         wxFAIL_MSG(_T("strftime() failed"));
  93     }
  94     return wxString(buf);
  95 #else // !wxUSE_DATETIME
  96     return wxEmptyString;
  97 #endif // wxUSE_DATETIME/!wxUSE_DATETIME
  98 }
  99
 100
 101 class wxLogDialog : public wxDialog
 102 {
 103 public:
 104     wxLogDialog(wxWindow *parent,
 105                 const wxArrayString& messages,
 106                 const wxArrayInt& severity,
 107                 const wxArrayLong& timess,
 108                 const wxString& caption,
 109                 long style);
 110     virtual ~wxLogDialog();
 111
 112     // event handlers
 113     void OnOk(wxCommandEvent& event);
 114 #if wxUSE_FILE
 115     void OnSave(wxCommandEvent& event);
 116 #endif // wxUSE_FILE
 117     void OnListSelect(wxListEvent& event);
 118     void OnListItemActivated(wxListEvent& event);
 119
 120 private:
 121     // create controls needed for the details display
 122     void CreateDetailsControls(wxWindow *);
 123
 124     // if necessary truncates the given string and adds an ellipsis
 125     wxString EllipsizeString(const wxString &text)
 126     {
 127         if (ms_maxLength > 0 &&
 128             text.length() > ms_maxLength)
 129         {
 130             wxString ret(text);
 131             ret.Truncate(ms_maxLength);
 132             ret << "...";
 133             return ret;
 134         }
 135
 136         return text;
 137     }
 138
 139     // the data for the listctrl
 140     wxArrayString m_messages;
 141     wxArrayInt m_severity;
 142     wxArrayLong m_times;
 143
 144     // the controls which are not shown initially (but only when details
 145     // button is pressed)
 146     wxListCtrl *m_listctrl;
 147 #ifndef __SMARTPHONE__
 148 #if wxUSE_STATLINE
 149     wxStaticLine *m_statline;
 150 #endif // wxUSE_STATLINE
 151 #if wxUSE_FILE
 152     wxButton *m_btnSave;
 153 #endif // wxUSE_FILE
 154 #endif // __SMARTPHONE__
 155
 156     // the translated "Details" string
 157     static wxString ms_details;
 158
 159     // the maximum length of the log message
 160     static size_t ms_maxLength;
 161
 162     DECLARE_EVENT_TABLE()
 163     DECLARE_NO_COPY_CLASS(wxLogDialog)
 164 };
 165
 166 BEGIN_EVENT_TABLE(wxLogDialog, wxDialog)
 167     EVT_BUTTON(wxID_OK, wxLogDialog::OnOk)
 168 #if wxUSE_FILE
 169     EVT_BUTTON(wxID_SAVE,   wxLogDialog::OnSave)
 170 #endif // wxUSE_FILE
 171     EVT_LIST_ITEM_SELECTED(wxID_ANY, wxLogDialog::OnListSelect)
 172     EVT_LIST_ITEM_ACTIVATED(wxID_ANY, wxLogDialog::OnListItemActivated)
 173 END_EVENT_TABLE()
 174
 175 #endif // wxUSE_LOG_DIALOG
 176
 177 // ----------------------------------------------------------------------------
 178 // private functions
 179 // ----------------------------------------------------------------------------
 180
 181 #if wxUSE_FILE && wxUSE_FILEDLG
 182
 183 // pass an uninitialized file object, the function will ask the user for the
 184 // filename and try to open it, returns true on success (file was opened),
 185 // false if file couldn't be opened/created and -1 if the file selection
 186 // dialog was cancelled
 187 static int OpenLogFile(wxFile& file, wxString *filename = NULL, wxWindow *parent = NULL);
 188
 189 #endif // wxUSE_FILE
 190
 191 // ----------------------------------------------------------------------------
 192 // global variables
 193 // ----------------------------------------------------------------------------
 194
 195 // we use a global variable to store the frame pointer for wxLogStatus - bad,
 196 // but it's the easiest way
 197 static wxFrame *gs_pFrame = NULL; // FIXME MT-unsafe
 198
 199 // ============================================================================
 200 // implementation
 201 // ============================================================================
 202
 203 // ----------------------------------------------------------------------------
 204 // global functions
 205 // ----------------------------------------------------------------------------
 206
 207 // accepts an additional argument which tells to which frame the output should
 208 // be directed
 209 void wxVLogStatus(wxFrame *pFrame, const wxString& format, va_list argptr)
 210 {
 211   wxString msg;
 212
 213   wxLog *pLog = wxLog::GetActiveTarget();
 214   if ( pLog != NULL ) {
 215     msg.PrintfV(format, argptr);
 216
 217     wxASSERT( gs_pFrame == NULL ); // should be reset!
 218     gs_pFrame = pFrame;
 219 #ifdef __WXWINCE__
 220     wxLog::OnLog(wxLOG_Status, msg, 0);
 221 #else
 222     wxLog::OnLog(wxLOG_Status, msg, time(NULL));
 223 #endif
 224     gs_pFrame = (wxFrame *) NULL;
 225   }
 226 }
 227
 228 #if !wxUSE_UTF8_LOCALE_ONLY
 229 void wxDoLogStatusWchar(wxFrame *pFrame, const wxChar *format, ...)
 230 {
 231     va_list argptr;
 232     va_start(argptr, format);
 233     wxVLogStatus(pFrame, format, argptr);
 234     va_end(argptr);
 235 }
 236 #endif // !wxUSE_UTF8_LOCALE_ONLY
 237
 238 #if wxUSE_UNICODE_UTF8
 239 void wxDoLogStatusUtf8(wxFrame *pFrame, const char *format, ...)
 240 {
 241     va_list argptr;
 242     va_start(argptr, format);
 243     wxVLogStatus(pFrame, format, argptr);
 244     va_end(argptr);
 245 }
 246 #endif // wxUSE_UNICODE_UTF8
 247
 248 // ----------------------------------------------------------------------------
 249 // wxLogGui implementation (FIXME MT-unsafe)
 250 // ----------------------------------------------------------------------------
 251
 252 #if wxUSE_LOGGUI
 253
 254 wxLogGui::wxLogGui()
 255 {
 256     Clear();
 257 }
 258
 259 void wxLogGui::Clear()
 260 {
 261     m_bErrors =
 262     m_bWarnings =
 263     m_bHasMessages = false;
 264
 265     m_aMessages.Empty();
 266     m_aSeverity.Empty();
 267     m_aTimes.Empty();
 268 }
 269
 270 void wxLogGui::Flush()
 271 {
 272     if ( !m_bHasMessages )
 273         return;
 274
 275     // do it right now to block any new calls to Flush() while we're here
 276     m_bHasMessages = false;
 277
 278     unsigned repeatCount = 0;
 279     if ( wxLog::GetRepetitionCounting() )
 280     {
 281         repeatCount = wxLog::DoLogNumberOfRepeats();
 282     }
 283
 284     wxString appName = wxTheApp->GetAppName();
 285     if ( !appName.empty() )
 286         appName[0u] = (wxChar)wxToupper(appName[0u]);
 287
 288     long style;
 289     wxString titleFormat;
 290     if ( m_bErrors ) {
 291         titleFormat = _("%s Error");
 292         style = wxICON_STOP;
 293     }
 294     else if ( m_bWarnings ) {
 295         titleFormat = _("%s Warning");
 296         style = wxICON_EXCLAMATION;
 297     }
 298     else {
 299         titleFormat = _("%s Information");
 300         style = wxICON_INFORMATION;
 301     }
 302
 303     wxString title;
 304     title.Printf(titleFormat, appName.c_str());
 305
 306     size_t nMsgCount = m_aMessages.GetCount();
 307
 308     // avoid showing other log dialogs until we're done with the dialog we're
 309     // showing right now: nested modal dialogs make for really bad UI!
 310     Suspend();
 311
 312     wxString str;
 313     if ( nMsgCount == 1 )
 314     {
 315         str = m_aMessages[0];
 316     }
 317     else // more than one message
 318     {
 319 #if wxUSE_LOG_DIALOG
 320
 321         if ( repeatCount > 0 )
 322             m_aMessages[nMsgCount-1] += wxString::Format(wxT(" (%s)"), m_aMessages[nMsgCount-2].c_str());
 323         wxLogDialog dlg(NULL,
 324                         m_aMessages, m_aSeverity, m_aTimes,
 325                         title, style);
 326
 327         // clear the message list before showing the dialog because while it's
 328         // shown some new messages may appear
 329         Clear();
 330
 331         (void)dlg.ShowModal();
 332 #else // !wxUSE_LOG_DIALOG
 333         // concatenate all strings (but not too many to not overfill the msg box)
 334         size_t nLines = 0;
 335
 336         // start from the most recent message
 337         for ( size_t n = nMsgCount; n > 0; n-- ) {
 338             // for Windows strings longer than this value are wrapped (NT 4.0)
 339             const size_t nMsgLineWidth = 156;
 340
 341             nLines += (m_aMessages[n - 1].Len() + nMsgLineWidth - 1) / nMsgLineWidth;
 342
 343             if ( nLines > 25 )  // don't put too many lines in message box
 344                 break;
 345
 346             str << m_aMessages[n - 1] << wxT("\n");
 347         }
 348 #endif // wxUSE_LOG_DIALOG/!wxUSE_LOG_DIALOG
 349     }
 350
 351     // this catches both cases of 1 message with wxUSE_LOG_DIALOG and any
 352     // situation without it
 353     if ( !str.empty() )
 354     {
 355         wxMessageBox(str, title, wxOK | style);
 356
 357         // no undisplayed messages whatsoever
 358         Clear();
 359     }
 360
 361     // allow flushing the logs again
 362     Resume();
 363 }
 364
 365 // log all kinds of messages
 366 void wxLogGui::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 367 {
 368     switch ( level ) {
 369         case wxLOG_Info:
 370             if ( GetVerbose() )
 371         case wxLOG_Message:
 372             {
 373                 m_aMessages.Add(szString);
 374                 m_aSeverity.Add(wxLOG_Message);
 375                 m_aTimes.Add((long)t);
 376                 m_bHasMessages = true;
 377             }
 378             break;
 379
 380         case wxLOG_Status:
 381 #if wxUSE_STATUSBAR
 382             {
 383                 // find the top window and set it's status text if it has any
 384                 wxFrame *pFrame = gs_pFrame;
 385                 if ( pFrame == NULL ) {
 386                     wxWindow *pWin = wxTheApp->GetTopWindow();
 387                     if ( pWin != NULL && pWin->IsKindOf(CLASSINFO(wxFrame)) ) {
 388                         pFrame = (wxFrame *)pWin;
 389                     }
 390                 }
 391
 392                 if ( pFrame && pFrame->GetStatusBar() )
 393                     pFrame->SetStatusText(szString);
 394             }
 395 #endif // wxUSE_STATUSBAR
 396             break;
 397
 398         case wxLOG_Trace:
 399         case wxLOG_Debug:
 400             #ifdef __WXDEBUG__
 401             {
 402                 wxString str;
 403                 TimeStamp(&str);
 404                 str += szString;
 405
 406                 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
 407                     // don't prepend debug/trace here: it goes to the
 408                     // debug window anyhow
 409                     str += wxT("\r\n");
 410                     OutputDebugString(str);
 411                 #else
 412                     // send them to stderr
 413                     wxFprintf(stderr, wxT("[%s] %s\n"),
 414                               level == wxLOG_Trace ? wxT("Trace")
 415                                                    : wxT("Debug"),
 416                               str.c_str());
 417                     fflush(stderr);
 418                 #endif
 419             }
 420             #endif // __WXDEBUG__
 421
 422             break;
 423
 424         case wxLOG_FatalError:
 425             // show this one immediately
 426             wxMessageBox(szString, _("Fatal error"), wxICON_HAND);
 427             wxExit();
 428             break;
 429
 430         case wxLOG_Error:
 431             if ( !m_bErrors ) {
 432 #if !wxUSE_LOG_DIALOG
 433                 // discard earlier informational messages if this is the 1st
 434                 // error because they might not make sense any more and showing
 435                 // them in a message box might be confusing
 436                 m_aMessages.Empty();
 437                 m_aSeverity.Empty();
 438                 m_aTimes.Empty();
 439 #endif // wxUSE_LOG_DIALOG
 440                 m_bErrors = true;
 441             }
 442             // fall through
 443
 444         case wxLOG_Warning:
 445             if ( !m_bErrors ) {
 446                 // for the warning we don't discard the info messages
 447                 m_bWarnings = true;
 448             }
 449
 450             m_aMessages.Add(szString);
 451             m_aSeverity.Add((int)level);
 452             m_aTimes.Add((long)t);
 453             m_bHasMessages = true;
 454             break;
 455     }
 456 }
 457
 458 #endif   // wxUSE_LOGGUI
 459
 460 // ----------------------------------------------------------------------------
 461 // wxLogWindow and wxLogFrame implementation
 462 // ----------------------------------------------------------------------------
 463
 464 #if wxUSE_LOGWINDOW
 465
 466 // log frame class
 467 // ---------------
 468 class wxLogFrame : public wxFrame
 469 {
 470 public:
 471     // ctor & dtor
 472     wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle);
 473     virtual ~wxLogFrame();
 474
 475     // menu callbacks
 476     void OnClose(wxCommandEvent& event);
 477     void OnCloseWindow(wxCloseEvent& event);
 478 #if wxUSE_FILE
 479     void OnSave (wxCommandEvent& event);
 480 #endif // wxUSE_FILE
 481     void OnClear(wxCommandEvent& event);
 482
 483     // accessors
 484     wxTextCtrl *TextCtrl() const { return m_pTextCtrl; }
 485
 486 private:
 487     // use standard ids for our commands!
 488     enum
 489     {
 490         Menu_Close = wxID_CLOSE,
 491         Menu_Save  = wxID_SAVE,
 492         Menu_Clear = wxID_CLEAR
 493     };
 494
 495     // common part of OnClose() and OnCloseWindow()
 496     void DoClose();
 497
 498     wxTextCtrl  *m_pTextCtrl;
 499     wxLogWindow *m_log;
 500
 501     DECLARE_EVENT_TABLE()
 502     DECLARE_NO_COPY_CLASS(wxLogFrame)
 503 };
 504
 505 BEGIN_EVENT_TABLE(wxLogFrame, wxFrame)
 506     // wxLogWindow menu events
 507     EVT_MENU(Menu_Close, wxLogFrame::OnClose)
 508 #if wxUSE_FILE
 509     EVT_MENU(Menu_Save,  wxLogFrame::OnSave)
 510 #endif // wxUSE_FILE
 511     EVT_MENU(Menu_Clear, wxLogFrame::OnClear)
 512
 513     EVT_CLOSE(wxLogFrame::OnCloseWindow)
 514 END_EVENT_TABLE()
 515
 516 wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxChar *szTitle)
 517           : wxFrame(pParent, wxID_ANY, szTitle)
 518 {
 519     m_log = log;
 520
 521     m_pTextCtrl = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition,
 522             wxDefaultSize,
 523             wxTE_MULTILINE  |
 524             wxHSCROLL       |
 525             // needed for Win32 to avoid 65Kb limit but it doesn't work well
 526             // when using RichEdit 2.0 which we always do in the Unicode build
 527 #if !wxUSE_UNICODE
 528             wxTE_RICH       |
 529 #endif // !wxUSE_UNICODE
 530             wxTE_READONLY);
 531
 532 #if wxUSE_MENUS
 533     // create menu
 534     wxMenuBar *pMenuBar = new wxMenuBar;
 535     wxMenu *pMenu = new wxMenu;
 536 #if wxUSE_FILE
 537     pMenu->Append(Menu_Save,  _("&Save..."), _("Save log contents to file"));
 538 #endif // wxUSE_FILE
 539     pMenu->Append(Menu_Clear, _("C&lear"), _("Clear the log contents"));
 540     pMenu->AppendSeparator();
 541     pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
 542     pMenuBar->Append(pMenu, _("&Log"));
 543     SetMenuBar(pMenuBar);
 544 #endif // wxUSE_MENUS
 545
 546 #if wxUSE_STATUSBAR
 547     // status bar for menu prompts
 548     CreateStatusBar();
 549 #endif // wxUSE_STATUSBAR
 550
 551     m_log->OnFrameCreate(this);
 552 }
 553
 554 void wxLogFrame::DoClose()
 555 {
 556     if ( m_log->OnFrameClose(this) )
 557     {
 558         // instead of closing just hide the window to be able to Show() it
 559         // later
 560         Show(false);
 561     }
 562 }
 563
 564 void wxLogFrame::OnClose(wxCommandEvent& WXUNUSED(event))
 565 {
 566     DoClose();
 567 }
 568
 569 void wxLogFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 570 {
 571     DoClose();
 572 }
 573
 574 #if wxUSE_FILE
 575 void wxLogFrame::OnSave(wxCommandEvent& WXUNUSED(event))
 576 {
 577 #if wxUSE_FILEDLG
 578     wxString filename;
 579     wxFile file;
 580     int rc = OpenLogFile(file, &filename, this);
 581     if ( rc == -1 )
 582     {
 583         // cancelled
 584         return;
 585     }
 586
 587     bool bOk = rc != 0;
 588
 589     // retrieve text and save it
 590     // -------------------------
 591     int nLines = m_pTextCtrl->GetNumberOfLines();
 592     for ( int nLine = 0; bOk && nLine < nLines; nLine++ ) {
 593         bOk = file.Write(m_pTextCtrl->GetLineText(nLine) +
 594                          wxTextFile::GetEOL());
 595     }
 596
 597     if ( bOk )
 598         bOk = file.Close();
 599
 600     if ( !bOk ) {
 601         wxLogError(_("Can't save log contents to file."));
 602     }
 603     else {
 604         wxLogStatus((wxFrame*)this, _("Log saved to the file '%s'."), filename.c_str());
 605     }
 606 #endif
 607 }
 608 #endif // wxUSE_FILE
 609
 610 void wxLogFrame::OnClear(wxCommandEvent& WXUNUSED(event))
 611 {
 612     m_pTextCtrl->Clear();
 613 }
 614
 615 wxLogFrame::~wxLogFrame()
 616 {
 617     m_log->OnFrameDelete(this);
 618 }
 619
 620 // wxLogWindow
 621 // -----------
 622
 623 wxLogWindow::wxLogWindow(wxWindow *pParent,
 624                          const wxChar *szTitle,
 625                          bool bShow,
 626                          bool bDoPass)
 627 {
 628     PassMessages(bDoPass);
 629
 630     m_pLogFrame = new wxLogFrame(pParent, this, szTitle);
 631
 632     if ( bShow )
 633         m_pLogFrame->Show();
 634 }
 635
 636 void wxLogWindow::Show(bool bShow)
 637 {
 638     m_pLogFrame->Show(bShow);
 639 }
 640
 641 void wxLogWindow::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
 642 {
 643     // first let the previous logger show it
 644     wxLogPassThrough::DoLog(level, szString, t);
 645
 646     if ( m_pLogFrame ) {
 647         switch ( level ) {
 648             case wxLOG_Status:
 649                 // by default, these messages are ignored by wxLog, so process
 650                 // them ourselves
 651                 if ( !wxIsEmpty(szString) )
 652                 {
 653                     wxString str;
 654                     str << _("Status: ") << szString;
 655                     DoLogString(str, t);
 656                 }
 657                 break;
 658
 659                 // don't put trace messages in the text window for 2 reasons:
 660                 // 1) there are too many of them
 661                 // 2) they may provoke other trace messages thus sending a program
 662                 //    into an infinite loop
 663             case wxLOG_Trace:
 664                 break;
 665
 666             default:
 667                 // and this will format it nicely and call our DoLogString()
 668                 wxLog::DoLog(level, szString, t);
 669         }
 670     }
 671 }
 672
 673 void wxLogWindow::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
 674 {
 675     // put the text into our window
 676     wxTextCtrl *pText = m_pLogFrame->TextCtrl();
 677
 678     // remove selection (WriteText is in fact ReplaceSelection)
 679 #ifdef __WXMSW__
 680     wxTextPos nLen = pText->GetLastPosition();
 681     pText->SetSelection(nLen, nLen);
 682 #endif // Windows
 683
 684     wxString msg;
 685     TimeStamp(&msg);
 686     msg << szString << wxT('\n');
 687
 688     pText->AppendText(msg);
 689
 690     // TODO ensure that the line can be seen
 691 }
 692
 693 wxFrame *wxLogWindow::GetFrame() const
 694 {
 695     return m_pLogFrame;
 696 }
 697
 698 void wxLogWindow::OnFrameCreate(wxFrame * WXUNUSED(frame))
 699 {
 700 }
 701
 702 bool wxLogWindow::OnFrameClose(wxFrame * WXUNUSED(frame))
 703 {
 704     // allow to close
 705     return true;
 706 }
 707
 708 void wxLogWindow::OnFrameDelete(wxFrame * WXUNUSED(frame))
 709 {
 710     m_pLogFrame = (wxLogFrame *)NULL;
 711 }
 712
 713 wxLogWindow::~wxLogWindow()
 714 {
 715     // may be NULL if log frame already auto destroyed itself
 716     delete m_pLogFrame;
 717 }
 718
 719 #endif // wxUSE_LOGWINDOW
 720
 721 // ----------------------------------------------------------------------------
 722 // wxLogDialog
 723 // ----------------------------------------------------------------------------
 724
 725 #if wxUSE_LOG_DIALOG
 726
 727 #ifndef __SMARTPHONE__
 728 static const size_t MARGIN = 10;
 729 #else
 730 static const size_t MARGIN = 0;
 731 #endif
 732
 733 wxString wxLogDialog::ms_details;
 734 size_t wxLogDialog::ms_maxLength = 0;
 735
 736 wxLogDialog::wxLogDialog(wxWindow *parent,
 737                          const wxArrayString& messages,
 738                          const wxArrayInt& severity,
 739                          const wxArrayLong& times,
 740                          const wxString& caption,
 741                          long style)
 742            : wxDialog(parent, wxID_ANY, caption,
 743                       wxDefaultPosition, wxDefaultSize,
 744                       wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 745 {
 746     // init the static variables:
 747
 748     if ( ms_details.empty() )
 749     {
 750         // ensure that we won't loop here if wxGetTranslation()
 751         // happens to pop up a Log message while translating this :-)
 752         ms_details = wxTRANSLATE("&Details");
 753         ms_details = wxGetTranslation(ms_details);
 754 #ifdef __SMARTPHONE__
 755         ms_details = wxStripMenuCodes(ms_details);
 756 #endif
 757     }
 758
 759     if ( ms_maxLength == 0 )
 760     {
 761         ms_maxLength = (2 * wxGetDisplaySize().x/3) / GetCharWidth();
 762     }
 763
 764     size_t count = messages.GetCount();
 765     m_messages.Alloc(count);
 766     m_severity.Alloc(count);
 767     m_times.Alloc(count);
 768
 769     for ( size_t n = 0; n < count; n++ )
 770     {
 771         m_messages.Add(messages[n]);
 772         m_severity.Add(severity[n]);
 773         m_times.Add(times[n]);
 774     }
 775
 776     m_listctrl = (wxListCtrl *)NULL;
 777
 778 #ifndef __SMARTPHONE__
 779
 780 #if wxUSE_STATLINE
 781     m_statline = (wxStaticLine *)NULL;
 782 #endif // wxUSE_STATLINE
 783
 784 #if wxUSE_FILE
 785     m_btnSave = (wxButton *)NULL;
 786 #endif // wxUSE_FILE
 787
 788 #endif // __SMARTPHONE__
 789
 790     bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
 791
 792     // create the controls which are always shown and layout them: we use
 793     // sizers even though our window is not resizeable to calculate the size of
 794     // the dialog properly
 795     wxBoxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 796     wxBoxSizer *sizerAll = new wxBoxSizer(isPda ? wxVERTICAL : wxHORIZONTAL);
 797
 798     wxBitmap bitmap;
 799     switch ( style & wxICON_MASK )
 800     {
 801         case wxICON_ERROR:
 802             bitmap = wxArtProvider::GetBitmap(wxART_ERROR, wxART_MESSAGE_BOX);
 803 #ifdef __WXPM__
 804             bitmap.SetId(wxICON_SMALL_ERROR);
 805 #endif
 806             break;
 807
 808         case wxICON_INFORMATION:
 809             bitmap = wxArtProvider::GetBitmap(wxART_INFORMATION, wxART_MESSAGE_BOX);
 810 #ifdef __WXPM__
 811             bitmap.SetId(wxICON_SMALL_INFO);
 812 #endif
 813             break;
 814
 815         case wxICON_WARNING:
 816             bitmap = wxArtProvider::GetBitmap(wxART_WARNING, wxART_MESSAGE_BOX);
 817 #ifdef __WXPM__
 818             bitmap.SetId(wxICON_SMALL_WARNING);
 819 #endif
 820             break;
 821
 822         default:
 823             wxFAIL_MSG(_T("incorrect log style"));
 824     }
 825
 826     if (!isPda)
 827         sizerAll->Add(new wxStaticBitmap(this, wxID_ANY, bitmap), 0,
 828                   wxALIGN_CENTRE_VERTICAL);
 829
 830     // create the text sizer with a minimal size so that we are sure it won't be too small
 831     wxString message = EllipsizeString(messages.Last());
 832     wxSizer *szText = CreateTextSizer(message);
 833     szText->SetMinSize(wxMin(300, wxGetDisplaySize().x / 3), -1);
 834
 835     sizerAll->Add(szText, 1,
 836                   wxALIGN_CENTRE_VERTICAL | wxLEFT | wxRIGHT, MARGIN);
 837
 838     wxButton *btnOk = new wxButton(this, wxID_OK);
 839     sizerAll->Add(btnOk, 0, isPda ? wxCENTRE : wxCENTRE|wxBOTTOM, MARGIN/2);
 840
 841     sizerTop->Add(sizerAll, 0, wxALL | wxEXPAND, MARGIN);
 842
 843
 844     // add the details pane
 845
 846 #ifndef __SMARTPHONE__
 847     wxCollapsiblePane *collpane = new wxCollapsiblePane(this, wxID_ANY, ms_details);
 848     sizerTop->Add(collpane, 1, wxGROW|wxALL, MARGIN);
 849
 850     wxWindow *win = collpane->GetPane();
 851     wxSizer *paneSz = new wxBoxSizer(wxVERTICAL);
 852
 853     CreateDetailsControls(win);
 854
 855     paneSz->Add(m_listctrl, 1, wxEXPAND | wxTOP, MARGIN);
 856
 857 #if wxUSE_FILE && !defined(__SMARTPHONE__)
 858     paneSz->Add(m_btnSave, 0, wxALIGN_RIGHT | wxTOP, MARGIN);
 859 #endif // wxUSE_FILE
 860
 861     win->SetSizer(paneSz);
 862     paneSz->SetSizeHints(win);
 863 #else // __SMARTPHONE__
 864     SetLeftMenu(wxID_OK);
 865     SetRightMenu(wxID_MORE, ms_details + EXPAND_SUFFIX);
 866 #endif // __SMARTPHONE__/!__SMARTPHONE__
 867
 868     SetSizerAndFit(sizerTop);
 869
 870     Centre();
 871
 872     if (isPda)
 873     {
 874         // Move up the screen so that when we expand the dialog,
 875         // there's enough space.
 876         Move(wxPoint(GetPosition().x, GetPosition().y / 2));
 877     }
 878 }
 879
 880 void wxLogDialog::CreateDetailsControls(wxWindow *parent)
 881 {
 882 #ifndef __SMARTPHONE__
 883     // create the save button and separator line if possible
 884 #if wxUSE_FILE
 885     m_btnSave = new wxButton(parent, wxID_SAVE);
 886 #endif // wxUSE_FILE
 887
 888 #endif // __SMARTPHONE__
 889
 890     // create the list ctrl now
 891     m_listctrl = new wxListCtrl(parent, wxID_ANY,
 892                                 wxDefaultPosition, wxDefaultSize,
 893                                 wxSUNKEN_BORDER |
 894                                 wxLC_REPORT |
 895                                 wxLC_NO_HEADER |
 896                                 wxLC_SINGLE_SEL);
 897 #ifdef __WXWINCE__
 898     // This makes a big aesthetic difference on WinCE but I
 899     // don't want to risk problems on other platforms
 900     m_listctrl->Hide();
 901 #endif
 902
 903     // no need to translate these strings as they're not shown to the
 904     // user anyhow (we use wxLC_NO_HEADER style)
 905     m_listctrl->InsertColumn(0, _T("Message"));
 906     m_listctrl->InsertColumn(1, _T("Time"));
 907
 908     // prepare the imagelist
 909     static const int ICON_SIZE = 16;
 910     wxImageList *imageList = new wxImageList(ICON_SIZE, ICON_SIZE);
 911
 912     // order should be the same as in the switch below!
 913     static const wxChar* icons[] =
 914     {
 915         wxART_ERROR,
 916         wxART_WARNING,
 917         wxART_INFORMATION
 918     };
 919
 920     bool loadedIcons = true;
 921
 922     for ( size_t icon = 0; icon < WXSIZEOF(icons); icon++ )
 923     {
 924         wxBitmap bmp = wxArtProvider::GetBitmap(icons[icon], wxART_MESSAGE_BOX,
 925                                                 wxSize(ICON_SIZE, ICON_SIZE));
 926
 927         // This may very well fail if there are insufficient colours available.
 928         // Degrade gracefully.
 929         if ( !bmp.Ok() )
 930         {
 931             loadedIcons = false;
 932
 933             break;
 934         }
 935
 936         imageList->Add(bmp);
 937     }
 938
 939     m_listctrl->SetImageList(imageList, wxIMAGE_LIST_SMALL);
 940
 941     // and fill it
 942     wxString fmt = wxLog::GetTimestamp();
 943     if ( !fmt )
 944     {
 945         // default format
 946         fmt = _T("%c");
 947     }
 948
 949     size_t count = m_messages.GetCount();
 950     for ( size_t n = 0; n < count; n++ )
 951     {
 952         int image;
 953
 954         if ( loadedIcons )
 955         {
 956             switch ( m_severity[n] )
 957             {
 958                 case wxLOG_Error:
 959                     image = 0;
 960                     break;
 961
 962                 case wxLOG_Warning:
 963                     image = 1;
 964                     break;
 965
 966                 default:
 967                     image = 2;
 968             }
 969         }
 970         else // failed to load images
 971         {
 972             image = -1;
 973         }
 974
 975         wxString msg = m_messages[n];
 976         msg.Replace(wxT("\n"), wxT(" "));
 977         msg = EllipsizeString(msg);
 978
 979         m_listctrl->InsertItem(n, msg, image);
 980         m_listctrl->SetItem(n, 1, TimeStamp(fmt, (time_t)m_times[n]));
 981     }
 982
 983     // let the columns size themselves
 984     m_listctrl->SetColumnWidth(0, wxLIST_AUTOSIZE);
 985     m_listctrl->SetColumnWidth(1, wxLIST_AUTOSIZE);
 986
 987     // calculate an approximately nice height for the listctrl
 988     int height = GetCharHeight()*(count + 4);
 989
 990     // but check that the dialog won't fall fown from the screen
 991     //
 992     // we use GetMinHeight() to get the height of the dialog part without the
 993     // details and we consider that the "Save" button below and the separator
 994     // line (and the margins around it) take about as much, hence double it
 995     int heightMax = wxGetDisplaySize().y - GetPosition().y - 2*GetMinHeight();
 996
 997     // we should leave a margin
 998     heightMax *= 9;
 999     heightMax /= 10;
1000
1001     m_listctrl->SetSize(wxDefaultCoord, wxMin(height, heightMax));
1002 }
1003
1004 void wxLogDialog::OnListSelect(wxListEvent& event)
1005 {
1006     // we can't just disable the control because this looks ugly under Windows
1007     // (wrong bg colour, no scrolling...), but we still want to disable
1008     // selecting items - it makes no sense here
1009     m_listctrl->SetItemState(event.GetIndex(), 0, wxLIST_STATE_SELECTED);
1010 }
1011
1012 void wxLogDialog::OnListItemActivated(wxListEvent& event)
1013 {
1014     // show the activated item in a message box
1015     // This allow the user to correctly display the logs which are longer
1016     // than the listctrl and thus gets truncated or those which contains
1017     // newlines.
1018
1019     // NB: don't do:
1020     //    wxString str = m_listctrl->GetItemText(event.GetIndex());
1021     // as there's a 260 chars limit on the items inside a wxListCtrl in wxMSW.
1022     wxString str = m_messages[event.GetIndex()];
1023
1024     // wxMessageBox will nicely handle the '\n' in the string (if any)
1025     // and supports long strings
1026     wxMessageBox(str, wxT("Log message"), wxOK, this);
1027 }
1028
1029 void wxLogDialog::OnOk(wxCommandEvent& WXUNUSED(event))
1030 {
1031     EndModal(wxID_OK);
1032 }
1033
1034 #if wxUSE_FILE
1035
1036 void wxLogDialog::OnSave(wxCommandEvent& WXUNUSED(event))
1037 {
1038 #if wxUSE_FILEDLG
1039     wxFile file;
1040     int rc = OpenLogFile(file, NULL, this);
1041     if ( rc == -1 )
1042     {
1043         // cancelled
1044         return;
1045     }
1046
1047     bool ok = rc != 0;
1048
1049     wxString fmt = wxLog::GetTimestamp();
1050     if ( !fmt )
1051     {
1052         // default format
1053         fmt = _T("%c");
1054     }
1055
1056     size_t count = m_messages.GetCount();
1057     for ( size_t n = 0; ok && (n < count); n++ )
1058     {
1059         wxString line;
1060         line << TimeStamp(fmt, (time_t)m_times[n])
1061              << _T(": ")
1062              << m_messages[n]
1063              << wxTextFile::GetEOL();
1064
1065         ok = file.Write(line);
1066     }
1067
1068     if ( ok )
1069         ok = file.Close();
1070
1071     if ( !ok )
1072         wxLogError(_("Can't save log contents to file."));
1073 #endif // wxUSE_FILEDLG
1074 }
1075
1076 #endif // wxUSE_FILE
1077
1078 wxLogDialog::~wxLogDialog()
1079 {
1080     if ( m_listctrl )
1081     {
1082         delete m_listctrl->GetImageList(wxIMAGE_LIST_SMALL);
1083     }
1084 }
1085
1086 #endif // wxUSE_LOG_DIALOG
1087
1088 #if wxUSE_FILE && wxUSE_FILEDLG
1089
1090 // pass an uninitialized file object, the function will ask the user for the
1091 // filename and try to open it, returns true on success (file was opened),
1092 // false if file couldn't be opened/created and -1 if the file selection
1093 // dialog was cancelled
1094 static int OpenLogFile(wxFile& file, wxString *pFilename, wxWindow *parent)
1095 {
1096     // get the file name
1097     // -----------------
1098     wxString filename = wxSaveFileSelector(wxT("log"), wxT("txt"), wxT("log.txt"), parent);
1099     if ( !filename ) {
1100         // cancelled
1101         return -1;
1102     }
1103
1104     // open file
1105     // ---------
1106     bool bOk wxDUMMY_INITIALIZE(false);
1107     if ( wxFile::Exists(filename) ) {
1108         bool bAppend = false;
1109         wxString strMsg;
1110         strMsg.Printf(_("Append log to file '%s' (choosing [No] will overwrite it)?"),
1111                       filename.c_str());
1112         switch ( wxMessageBox(strMsg, _("Question"),
1113                               wxICON_QUESTION | wxYES_NO | wxCANCEL) ) {
1114             case wxYES:
1115                 bAppend = true;
1116                 break;
1117
1118             case wxNO:
1119                 bAppend = false;
1120                 break;
1121
1122             case wxCANCEL:
1123                 return -1;
1124
1125             default:
1126                 wxFAIL_MSG(_("invalid message box return value"));
1127         }
1128
1129         if ( bAppend ) {
1130             bOk = file.Open(filename, wxFile::write_append);
1131         }
1132         else {
1133             bOk = file.Create(filename, true /* overwrite */);
1134         }
1135     }
1136     else {
1137         bOk = file.Create(filename);
1138     }
1139
1140     if ( pFilename )
1141         *pFilename = filename;
1142
1143     return bOk;
1144 }
1145
1146 #endif // wxUSE_FILE
1147
1148 #endif // !(wxUSE_LOGGUI || wxUSE_LOGWINDOW)
1149
1150 #if wxUSE_LOG && wxUSE_TEXTCTRL
1151
1152 // ----------------------------------------------------------------------------
1153 // wxLogTextCtrl implementation
1154 // ----------------------------------------------------------------------------
1155
1156 wxLogTextCtrl::wxLogTextCtrl(wxTextCtrl *pTextCtrl)
1157 {
1158     m_pTextCtrl = pTextCtrl;
1159 }
1160
1161 void wxLogTextCtrl::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
1162 {
1163     wxString msg;
1164     TimeStamp(&msg);
1165
1166     msg << szString << wxT('\n');
1167     m_pTextCtrl->AppendText(msg);
1168 }
1169
1170 #endif // wxUSE_LOG && wxUSE_TEXTCTRL