src/msw/app.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.cpp
   3 // Purpose:     wxApp
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "app.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #if defined(__BORLANDC__)
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/frame.h"
  33     #include "wx/app.h"
  34     #include "wx/utils.h"
  35     #include "wx/gdicmn.h"
  36     #include "wx/pen.h"
  37     #include "wx/brush.h"
  38     #include "wx/cursor.h"
  39     #include "wx/icon.h"
  40     #include "wx/palette.h"
  41     #include "wx/dc.h"
  42     #include "wx/dialog.h"
  43     #include "wx/msgdlg.h"
  44     #include "wx/intl.h"
  45     #include "wx/dynarray.h"
  46     #include "wx/wxchar.h"
  47     #include "wx/icon.h"
  48 #endif
  49
  50 #include "wx/log.h"
  51 #include "wx/module.h"
  52
  53 #include "wx/msw/private.h"
  54
  55 #if wxUSE_THREADS
  56     #include "wx/thread.h"
  57
  58     // define the array of MSG strutures
  59     WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
  60
  61     #include "wx/arrimpl.cpp"
  62
  63     WX_DEFINE_OBJARRAY(wxMsgArray);
  64 #endif // wxUSE_THREADS
  65
  66 #if wxUSE_WX_RESOURCES
  67     #include "wx/resource.h"
  68 #endif
  69
  70 #if wxUSE_TOOLTIPS
  71     #include "wx/tooltip.h"
  72 #endif // wxUSE_TOOLTIPS
  73
  74 // OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
  75 // compilers don't support it (missing headers, libs, ...)
  76 #if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__)
  77     #undef wxUSE_OLE
  78
  79     #define  wxUSE_OLE 0
  80 #endif // broken compilers
  81
  82 #if wxUSE_OLE
  83     #include <ole2.h>
  84 #endif
  85
  86 #include <string.h>
  87 #include <ctype.h>
  88
  89 #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
  90     #include <commctrl.h>
  91 #endif
  92
  93 #include "wx/msw/msvcrt.h"
  94
  95 // ----------------------------------------------------------------------------
  96 // conditional compilation
  97 // ----------------------------------------------------------------------------
  98
  99 // The macro _WIN32_IE is defined by commctrl.h (unless it had already been
 100 // defined before) and shows us what common control features are available
 101 // during the compile time (it doesn't mean that they will be available during
 102 // the run-time, use GetComCtl32Version() to test for them!). The possible
 103 // values are:
 104 //
 105 // 0x0200     for comctl32.dll 4.00 shipped with Win95/NT 4.0
 106 // 0x0300                      4.70              IE 3.x
 107 // 0x0400                      4.71              IE 4.0
 108 // 0x0401                      4.72              IE 4.01 and Win98
 109 // 0x0500                      5.00              IE 5.x and NT 5.0 (Win2000)
 110
 111 #ifndef _WIN32_IE
 112     // minimal set of features by default
 113     #define _WIN32_IE 0x0200
 114 #endif
 115
 116 #if _WIN32_IE >= 0x0300
 117     #include <shlwapi.h>
 118 #endif
 119
 120 // ---------------------------------------------------------------------------
 121 // global variables
 122 // ---------------------------------------------------------------------------
 123
 124 extern wxChar *wxBuffer;
 125 extern wxList *wxWinHandleList;
 126 extern wxList WXDLLEXPORT wxPendingDelete;
 127 extern void wxSetKeyboardHook(bool doIt);
 128
 129 MSG s_currentMsg;
 130 wxApp *wxTheApp = NULL;
 131
 132 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 133 //     with NR suffix - wxWindow::MSWCreate() supposes this
 134 const wxChar *wxFrameClassName         = wxT("wxFrameClass");
 135 const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR");
 136 const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
 137 const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
 138 const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
 139 const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
 140 const wxChar *wxPanelClassName         = wxT("wxPanelClass");
 141 const wxChar *wxPanelClassNameNR       = wxT("wxPanelClassNR");
 142 const wxChar *wxCanvasClassName        = wxT("wxCanvasClass");
 143 const wxChar *wxCanvasClassNameNR      = wxT("wxCanvasClassNR");
 144
 145 HICON wxSTD_FRAME_ICON = (HICON) NULL;
 146 HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
 147 HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
 148
 149 HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
 150 HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
 151 HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
 152
 153 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 154
 155 LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 156
 157 // FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
 158 //       needs compiler support for Win32 SEH. Others (especially Borland)
 159 //       probably have it too, but I'm not sure about how it works
 160 // JACS: get 'Cannot use __try in functions that require unwinding
 161 // in Unicode mode, so disabling.
 162 #if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)
 163     #undef wxUSE_ON_FATAL_EXCEPTION
 164     #define wxUSE_ON_FATAL_EXCEPTION 0
 165 #endif // VC++
 166
 167 #if wxUSE_ON_FATAL_EXCEPTION
 168     static bool gs_handleExceptions = FALSE;
 169 #endif
 170
 171 // ===========================================================================
 172 // implementation
 173 // ===========================================================================
 174
 175 // ---------------------------------------------------------------------------
 176 // wxApp
 177 // ---------------------------------------------------------------------------
 178
 179 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 180
 181 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 182     EVT_IDLE(wxApp::OnIdle)
 183     EVT_END_SESSION(wxApp::OnEndSession)
 184     EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 185 END_EVENT_TABLE()
 186
 187 //// Initialize
 188 bool wxApp::Initialize()
 189 {
 190     // the first thing to do is to check if we're trying to run an Unicode
 191     // program under Win9x - if so, abort right now as it has no chance to
 192     // work
 193 #if wxUSE_UNICODE
 194     if ( wxGetOsVersion() != wxWINDOWS_NT )
 195     {
 196         // note that we can use MessageBoxW() as it's implemented even under
 197         // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
 198         // used by wxLocale are not
 199         ::MessageBox
 200         (
 201          NULL,
 202          _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."),
 203          _T("wxWindows Fatal Error"),
 204          MB_ICONERROR | MB_OK
 205         );
 206
 207         return FALSE;
 208     }
 209 #endif // wxUSE_UNICODE
 210
 211     // Some people may wish to use this, but
 212     // probably it shouldn't be here by default.
 213 #ifdef __WXDEBUG__
 214     //    wxRedirectIOToConsole();
 215 #endif
 216
 217     wxBuffer = new wxChar[1500]; // FIXME
 218
 219     wxClassInfo::InitializeClasses();
 220
 221 #if wxUSE_THREADS
 222     wxPendingEventsLocker = new wxCriticalSection;
 223 #endif
 224
 225     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 226     wxTheColourDatabase->Initialize();
 227
 228     wxInitializeStockLists();
 229     wxInitializeStockObjects();
 230
 231 #if wxUSE_WX_RESOURCES
 232     wxInitializeResourceSystem();
 233 #endif
 234
 235     wxBitmap::InitStandardHandlers();
 236
 237 #if defined(__WIN95__)
 238     InitCommonControls();
 239
 240 #endif // __WIN95__
 241
 242 #if wxUSE_OLE || wxUSE_DRAG_AND_DROP || wxUSE_DATAOBJ
 243
 244 #ifdef __WIN16__
 245     // for OLE, enlarge message queue to be as large as possible
 246     int iMsg = 96;
 247     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
 248         ;
 249 #endif // Win16
 250     // we need to initialize OLE library
 251     if ( FAILED(::OleInitialize(NULL)) )
 252         wxLogError(_("Cannot initialize OLE"));
 253
 254 #endif // wxUSE_OLE
 255
 256 #if wxUSE_CTL3D
 257     if (!Ctl3dRegister(wxhInstance))
 258         wxLogError(wxT("Cannot register CTL3D"));
 259
 260     Ctl3dAutoSubclass(wxhInstance);
 261 #endif // wxUSE_CTL3D
 262
 263     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 264 #if 0
 265     wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME"));
 266     wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME"));
 267     wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME"));
 268
 269     wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME"));
 270     wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME"));
 271     wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME"));
 272 #endif // 0
 273
 274     RegisterWindowClasses();
 275
 276     // Create the brush for disabling bitmap buttons
 277
 278     LOGBRUSH lb;
 279     lb.lbStyle = BS_PATTERN;
 280     lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
 281     if ( lb.lbHatch )
 282     {
 283         wxDisableButtonBrush = ::CreateBrushIndirect( & lb );
 284         ::DeleteObject( (HGDIOBJ)lb.lbHatch );
 285     }
 286     //else: wxWindows resources are probably not linked in
 287
 288 #if wxUSE_PENWINDOWS
 289     wxRegisterPenWin();
 290 #endif
 291
 292     wxWinHandleList = new wxList(wxKEY_INTEGER);
 293
 294     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
 295     // PLEASE DO NOT ALTER THIS.
 296 #if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL)
 297     extern char wxDummyChar;
 298     if (wxDummyChar) wxDummyChar++;
 299 #endif
 300
 301     wxSetKeyboardHook(TRUE);
 302
 303     wxModule::RegisterModules();
 304     if (!wxModule::InitializeModules())
 305         return FALSE;
 306     return TRUE;
 307 }
 308
 309 // ---------------------------------------------------------------------------
 310 // RegisterWindowClasses
 311 // ---------------------------------------------------------------------------
 312
 313 // TODO we should only register classes really used by the app. For this it
 314 //      would be enough to just delay the class registration until an attempt
 315 //      to create a window of this class is made.
 316 bool wxApp::RegisterWindowClasses()
 317 {
 318     WNDCLASS wndclass;
 319
 320     // for each class we register one with CS_(V|H)REDRAW style and one
 321     // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
 322     static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
 323     static const long styleNoRedraw = CS_DBLCLKS;
 324
 325     // the fields which are common to all classes
 326     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 327     wndclass.cbClsExtra    = 0;
 328     wndclass.cbWndExtra    = sizeof( DWORD ); // VZ: what is this DWORD used for?
 329     wndclass.hInstance     = wxhInstance;
 330     wndclass.hIcon         = (HICON) NULL;
 331     wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
 332     wndclass.lpszMenuName  = NULL;
 333
 334     // Register the frame window class.
 335     wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
 336     wndclass.lpszClassName = wxFrameClassName;
 337     wndclass.style         = styleNormal;
 338
 339     if ( !RegisterClass(&wndclass) )
 340     {
 341         wxLogLastError(wxT("RegisterClass(frame)"));
 342
 343         return FALSE;
 344     }
 345
 346     // "no redraw" frame
 347     wndclass.lpszClassName = wxFrameClassNameNoRedraw;
 348     wndclass.style         = styleNoRedraw;
 349
 350     if ( !RegisterClass(&wndclass) )
 351     {
 352         wxLogLastError(wxT("RegisterClass(no redraw frame)"));
 353
 354         return FALSE;
 355     }
 356
 357     // Register the MDI frame window class.
 358     wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
 359     wndclass.lpszClassName = wxMDIFrameClassName;
 360     wndclass.style         = styleNormal;
 361
 362     if ( !RegisterClass(&wndclass) )
 363     {
 364         wxLogLastError(wxT("RegisterClass(MDI parent)"));
 365
 366         return FALSE;
 367     }
 368
 369     // "no redraw" MDI frame
 370     wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
 371     wndclass.style         = styleNoRedraw;
 372
 373     if ( !RegisterClass(&wndclass) )
 374     {
 375         wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
 376
 377         return FALSE;
 378     }
 379
 380     // Register the MDI child frame window class.
 381     wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 382     wndclass.lpszClassName = wxMDIChildFrameClassName;
 383     wndclass.style         = styleNormal;
 384
 385     if ( !RegisterClass(&wndclass) )
 386     {
 387         wxLogLastError(wxT("RegisterClass(MDI child)"));
 388
 389         return FALSE;
 390     }
 391
 392     // "no redraw" MDI child frame
 393     wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
 394     wndclass.style         = styleNoRedraw;
 395
 396     if ( !RegisterClass(&wndclass) )
 397     {
 398         wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
 399
 400         return FALSE;
 401     }
 402
 403     // Register the panel window class.
 404     wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
 405     wndclass.lpszClassName = wxPanelClassName;
 406     wndclass.style         = styleNormal;
 407
 408     if ( !RegisterClass(&wndclass) )
 409     {
 410         wxLogLastError(wxT("RegisterClass(panel)"));
 411
 412         return FALSE;
 413     }
 414
 415     // Register the no redraw panel window class.
 416     wndclass.lpszClassName = wxPanelClassNameNR;
 417     wndclass.style         = styleNoRedraw;
 418
 419     if ( !RegisterClass(&wndclass) )
 420     {
 421         wxLogLastError(wxT("RegisterClass(no redraw panel)"));
 422
 423         return FALSE;
 424     }
 425
 426     // Register the canvas and textsubwindow class name
 427     wndclass.hbrBackground = (HBRUSH)NULL;
 428     wndclass.lpszClassName = wxCanvasClassName;
 429
 430     if ( !RegisterClass(&wndclass) )
 431     {
 432         wxLogLastError(wxT("RegisterClass(canvas)"));
 433
 434         return FALSE;
 435     }
 436
 437     wndclass.lpszClassName = wxCanvasClassNameNR;
 438     wndclass.style         = styleNoRedraw;
 439     if ( !RegisterClass(&wndclass) )
 440     {
 441         wxLogLastError(wxT("RegisterClass(no redraw canvas)"));
 442
 443         return FALSE;
 444     }
 445
 446     return TRUE;
 447 }
 448
 449 // ---------------------------------------------------------------------------
 450 // Convert Windows to argc, argv style
 451 // ---------------------------------------------------------------------------
 452
 453 void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
 454 {
 455     wxStringList args;
 456
 457     wxString cmdLine(lpCmdLine);
 458     int count = 0;
 459
 460     // Get application name
 461     wxChar name[260]; // 260 is MAX_PATH value from windef.h
 462     ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
 463
 464     args.Add(name);
 465     count++;
 466
 467     wxStrcpy(name, wxFileNameFromPath(name));
 468     wxStripExtension(name);
 469     wxTheApp->SetAppName(name);
 470
 471     // Break up string
 472     // Treat strings enclosed in double-quotes as single arguments
 473     int i = 0;
 474     int len = cmdLine.Length();
 475     while (i < len)
 476     {
 477         // Skip whitespace
 478         while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
 479             i ++;
 480
 481         if (i < len)
 482         {
 483             if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
 484             {
 485                 i ++;
 486                 int first = i;
 487                 while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
 488                     i ++;
 489
 490                 wxString arg(cmdLine.Mid(first, (i - first)));
 491
 492                 args.Add(arg);
 493                 count ++;
 494
 495                 if (i < len)
 496                     i ++; // Skip past 2nd quote
 497             }
 498             else // Unquoted argument
 499             {
 500                 int first = i;
 501                 while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
 502                     i ++;
 503
 504                 wxString arg(cmdLine.Mid(first, (i - first)));
 505
 506                 args.Add(arg);
 507                 count ++;
 508             }
 509         }
 510     }
 511
 512     wxTheApp->argv = new wxChar*[count + 1];
 513     for (i = 0; i < count; i++)
 514     {
 515         wxString arg(args[i]);
 516         wxTheApp->argv[i] = copystring((const wxChar*)arg);
 517     }
 518     wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
 519     wxTheApp->argc = count;
 520 }
 521
 522 //// Cleans up any wxWindows internal structures left lying around
 523
 524 void wxApp::CleanUp()
 525 {
 526     //// COMMON CLEANUP
 527
 528 #if wxUSE_LOG
 529     // flush the logged messages if any and install a 'safer' log target: the
 530     // default one (wxLogGui) can't be used after the resources are freed just
 531     // below and the user suppliedo ne might be even more unsafe (using any
 532     // wxWindows GUI function is unsafe starting from now)
 533     wxLog::DontCreateOnDemand();
 534
 535     // this will flush the old messages if any
 536     delete wxLog::SetActiveTarget(new wxLogStderr);
 537 #endif // wxUSE_LOG
 538
 539     // One last chance for pending objects to be cleaned up
 540     wxTheApp->DeletePendingObjects();
 541
 542     wxModule::CleanUpModules();
 543
 544 #if wxUSE_WX_RESOURCES
 545     wxCleanUpResourceSystem();
 546
 547     //  wxDefaultResourceTable->ClearTable();
 548 #endif
 549
 550     wxDeleteStockObjects();
 551
 552     // Destroy all GDI lists, etc.
 553     wxDeleteStockLists();
 554
 555     delete wxTheColourDatabase;
 556     wxTheColourDatabase = NULL;
 557
 558     wxBitmap::CleanUpHandlers();
 559
 560     delete[] wxBuffer;
 561     wxBuffer = NULL;
 562
 563     //// WINDOWS-SPECIFIC CLEANUP
 564
 565     wxSetKeyboardHook(FALSE);
 566
 567 #if wxUSE_PENWINDOWS
 568     wxCleanUpPenWin();
 569 #endif
 570
 571     if (wxSTD_FRAME_ICON)
 572         DestroyIcon(wxSTD_FRAME_ICON);
 573     if (wxSTD_MDICHILDFRAME_ICON)
 574         DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
 575     if (wxSTD_MDIPARENTFRAME_ICON)
 576         DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
 577
 578     if (wxDEFAULT_FRAME_ICON)
 579         DestroyIcon(wxDEFAULT_FRAME_ICON);
 580     if (wxDEFAULT_MDICHILDFRAME_ICON)
 581         DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 582     if (wxDEFAULT_MDIPARENTFRAME_ICON)
 583         DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 584
 585     if ( wxDisableButtonBrush )
 586         ::DeleteObject( wxDisableButtonBrush );
 587
 588 #if wxUSE_OLE
 589     ::OleUninitialize();
 590 #endif
 591
 592 #if wxUSE_CTL3D
 593     Ctl3dUnregister(wxhInstance);
 594 #endif
 595
 596     if (wxWinHandleList)
 597         delete wxWinHandleList;
 598
 599     // GL: I'm annoyed ... I don't know where to put this and I don't want to
 600     // create a module for that as it's part of the core.
 601     delete wxPendingEvents;
 602
 603 #if wxUSE_THREADS
 604     delete wxPendingEventsLocker;
 605     // If we don't do the following, we get an apparent memory leak
 606 #if wxUSE_VALIDATORS
 607     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 608 #endif // wxUSE_VALIDATORS
 609 #endif // wxUSE_THREADS
 610
 611     wxClassInfo::CleanUpClasses();
 612
 613     delete wxTheApp;
 614     wxTheApp = NULL;
 615
 616 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 617     // At this point we want to check if there are any memory
 618     // blocks that aren't part of the wxDebugContext itself,
 619     // as a special case. Then when dumping we need to ignore
 620     // wxDebugContext, too.
 621     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
 622     {
 623         wxLogMessage(wxT("There were memory leaks."));
 624         wxDebugContext::Dump();
 625         wxDebugContext::PrintStatistics();
 626     }
 627     //  wxDebugContext::SetStream(NULL, NULL);
 628 #endif
 629
 630 #if wxUSE_LOG
 631     // do it as the very last thing because everything else can log messages
 632     delete wxLog::SetActiveTarget(NULL);
 633 #endif // wxUSE_LOG
 634 }
 635
 636 //----------------------------------------------------------------------
 637 // Entry point helpers, used by wxPython
 638 //----------------------------------------------------------------------
 639
 640 int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
 641 {
 642     return wxApp::Initialize();
 643 }
 644
 645 int WXDLLEXPORT wxEntryInitGui()
 646 {
 647     return wxTheApp->OnInitGui();
 648 }
 649
 650 void WXDLLEXPORT wxEntryCleanup()
 651 {
 652     wxApp::CleanUp();
 653 }
 654
 655
 656 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 657
 658 // temporarily disable this warning which would be generated in release builds
 659 // because of __try
 660 #ifdef __VISUALC__
 661     #pragma warning(disable: 4715) // not all control paths return a value
 662 #endif // Visual C++
 663
 664 //----------------------------------------------------------------------
 665 // Main wxWindows entry point
 666 //----------------------------------------------------------------------
 667 int wxEntry(WXHINSTANCE hInstance,
 668             WXHINSTANCE WXUNUSED(hPrevInstance),
 669             char *lpCmdLine,
 670             int nCmdShow,
 671             bool enterLoop)
 672 {
 673     // do check for memory leaks on program exit
 674     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
 675     //  deallocated memory which may be used to simulate low-memory condition)
 676     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
 677 #ifdef __MWERKS__
 678 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 679     // This seems to be necessary since there are 'rogue'
 680     // objects present at this point (perhaps global objects?)
 681     // Setting a checkpoint will ignore them as far as the
 682     // memory checking facility is concerned.
 683     // Of course you may argue that memory allocated in globals should be
 684     // checked, but this is a reasonable compromise.
 685     wxDebugContext::SetCheckpoint();
 686 #endif
 687 #endif
 688
 689     // take everything into a try-except block to be able to call
 690     // OnFatalException() if necessary
 691 #if wxUSE_ON_FATAL_EXCEPTION
 692     __try {
 693 #endif
 694         wxhInstance = (HINSTANCE) hInstance;
 695
 696         if (!wxEntryStart(0,0))
 697             return 0;
 698
 699         // create the application object or ensure that one already exists
 700         if (!wxTheApp)
 701         {
 702             // The app may have declared a global application object, but we recommend
 703             // the IMPLEMENT_APP macro is used instead, which sets an initializer
 704             // function for delayed, dynamic app object construction.
 705             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 706                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 707
 708             wxTheApp = (*wxApp::GetInitializerFunction()) ();
 709         }
 710
 711         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
 712
 713         // save the WinMain() parameters
 714         wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
 715         wxTheApp->m_nCmdShow = nCmdShow;
 716
 717         // We really don't want timestamps by default, because it means
 718         // we can't simply double-click on the error message and get to that
 719         // line in the source. So VC++ at least, let's have a sensible default.
 720 #ifdef __VISUALC__
 721         wxLog::SetTimestamp(NULL);
 722 #endif
 723
 724         int retValue = 0;
 725
 726         // it is common to create a modal dialog in OnInit() (to ask/notify the
 727         // user about something) but it wouldn't work if we don't change the
 728         // "exit on delete last frame" flag here as when this dialog is
 729         // deleted, the app would terminate (it was the last top level window
 730         // as the main frame wasn't created yet!), so disable this behaviour
 731         // temproarily
 732         bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
 733         wxTheApp->SetExitOnFrameDelete(FALSE);
 734
 735         // init the app
 736         retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
 737
 738         // restore the old flag value
 739         wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
 740
 741         if ( retValue == 0 )
 742         {
 743             if ( enterLoop )
 744             {
 745                 // run the main loop
 746                 retValue = wxTheApp->OnRun();
 747             }
 748             else
 749             {
 750                 // we want to initialize, but not run or exit immediately.
 751                 return 1;
 752             }
 753         }
 754         //else: app initialization failed, so we skipped OnRun()
 755
 756         wxWindow *topWindow = wxTheApp->GetTopWindow();
 757         if ( topWindow )
 758         {
 759             // Forcibly delete the window.
 760             if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 761                     topWindow->IsKindOf(CLASSINFO(wxDialog)) )
 762             {
 763                 topWindow->Close(TRUE);
 764                 wxTheApp->DeletePendingObjects();
 765             }
 766             else
 767             {
 768                 delete topWindow;
 769                 wxTheApp->SetTopWindow(NULL);
 770             }
 771         }
 772
 773         wxTheApp->OnExit();
 774
 775         wxEntryCleanup();
 776
 777         return retValue;
 778
 779 #if wxUSE_ON_FATAL_EXCEPTION
 780     }
 781     __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
 782                                    : EXCEPTION_CONTINUE_SEARCH ) {
 783         if ( wxTheApp )
 784         {
 785            // give the user a chance to do something special about this
 786            wxTheApp->OnFatalException();
 787         }
 788
 789         ::ExitProcess(3); // the same exit code as abort()
 790
 791         // NOTREACHED
 792     }
 793 #endif // wxUSE_ON_FATAL_EXCEPTION
 794 }
 795
 796 // restore warning state
 797 #ifdef __VISUALC__
 798     #pragma warning(default: 4715) // not all control paths return a value
 799 #endif // Visual C++
 800
 801 #else /*  _WINDLL  */
 802
 803 //----------------------------------------------------------------------
 804 // Entry point for wxWindows + the App in a DLL
 805 //----------------------------------------------------------------------
 806
 807 int wxEntry(WXHINSTANCE hInstance)
 808 {
 809     wxhInstance = (HINSTANCE) hInstance;
 810     wxEntryStart(0, 0);
 811
 812     // The app may have declared a global application object, but we recommend
 813     // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 814     // for delayed, dynamic app object construction.
 815     if (!wxTheApp)
 816     {
 817         wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 818                      "No initializer - use IMPLEMENT_APP macro." );
 819
 820         wxTheApp = (* wxApp::GetInitializerFunction()) ();
 821     }
 822
 823     wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
 824
 825     wxTheApp->argc = 0;
 826     wxTheApp->argv = NULL;
 827
 828     wxEntryInitGui();
 829
 830     wxTheApp->OnInit();
 831
 832     wxWindow *topWindow = wxTheApp->GetTopWindow();
 833     if ( topWindow && topWindow->GetHWND())
 834     {
 835         topWindow->Show(TRUE);
 836     }
 837
 838     return 1;
 839 }
 840 #endif // _WINDLL
 841
 842 //// Static member initialization
 843
 844 wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 845
 846 wxApp::wxApp()
 847 {
 848     argc = 0;
 849     argv = NULL;
 850     m_printMode = wxPRINT_WINDOWS;
 851     m_auto3D = TRUE;
 852 }
 853
 854 wxApp::~wxApp()
 855 {
 856     // Delete command-line args
 857     int i;
 858     for (i = 0; i < argc; i++)
 859     {
 860         delete[] argv[i];
 861     }
 862     delete[] argv;
 863 }
 864
 865 bool wxApp::Initialized()
 866 {
 867 #ifndef _WINDLL
 868     if (GetTopWindow())
 869         return TRUE;
 870     else
 871         return FALSE;
 872 #else // Assume initialized if DLL (no way of telling)
 873     return TRUE;
 874 #endif
 875 }
 876
 877 /*
 878  * Get and process a message, returning FALSE if WM_QUIT
 879  * received (and also set the flag telling the app to exit the main loop)
 880  *
 881  */
 882 bool wxApp::DoMessage()
 883 {
 884     BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
 885     if ( rc == 0 )
 886     {
 887         // got WM_QUIT
 888         m_keepGoing = FALSE;
 889
 890         return FALSE;
 891     }
 892     else if ( rc == -1 )
 893     {
 894         // should never happen, but let's test for it nevertheless
 895         wxLogLastError(wxT("GetMessage"));
 896     }
 897     else
 898     {
 899 #if wxUSE_THREADS
 900         wxASSERT_MSG( wxThread::IsMain(),
 901                       wxT("only the main thread can process Windows messages") );
 902
 903         static bool s_hadGuiLock = TRUE;
 904         static wxMsgArray s_aSavedMessages;
 905
 906         // if a secondary thread owns is doing GUI calls, save all messages for
 907         // later processing - we can't process them right now because it will
 908         // lead to recursive library calls (and we're not reentrant)
 909         if ( !wxGuiOwnedByMainThread() )
 910         {
 911             s_hadGuiLock = FALSE;
 912
 913             // leave out WM_COMMAND messages: too dangerous, sometimes
 914             // the message will be processed twice
 915             if ( !wxIsWaitingForThread() ||
 916                     s_currentMsg.message != WM_COMMAND )
 917             {
 918                 s_aSavedMessages.Add(s_currentMsg);
 919             }
 920
 921             return TRUE;
 922         }
 923         else
 924         {
 925             // have we just regained the GUI lock? if so, post all of the saved
 926             // messages
 927             //
 928             // FIXME of course, it's not _exactly_ the same as processing the
 929             //       messages normally - expect some things to break...
 930             if ( !s_hadGuiLock )
 931             {
 932                 s_hadGuiLock = TRUE;
 933
 934                 size_t count = s_aSavedMessages.Count();
 935                 for ( size_t n = 0; n < count; n++ )
 936                 {
 937                     MSG& msg = s_aSavedMessages[n];
 938
 939                     if ( !ProcessMessage((WXMSG *)&msg) )
 940                     {
 941                         ::TranslateMessage(&msg);
 942                         ::DispatchMessage(&msg);
 943                     }
 944                 }
 945
 946                 s_aSavedMessages.Empty();
 947             }
 948         }
 949 #endif // wxUSE_THREADS
 950
 951         // Process the message
 952         DoMessage((WXMSG *)&s_currentMsg);
 953     }
 954
 955     return TRUE;
 956 }
 957
 958 void wxApp::DoMessage(WXMSG *pMsg)
 959 {
 960     if ( !ProcessMessage(pMsg) )
 961     {
 962         ::TranslateMessage((MSG *)pMsg);
 963         ::DispatchMessage((MSG *)pMsg);
 964     }
 965 }
 966
 967 /*
 968  * Keep trying to process messages until WM_QUIT
 969  * received.
 970  *
 971  * If there are messages to be processed, they will all be
 972  * processed and OnIdle will not be called.
 973  * When there are no more messages, OnIdle is called.
 974  * If OnIdle requests more time,
 975  * it will be repeatedly called so long as there are no pending messages.
 976  * A 'feature' of this is that once OnIdle has decided that no more processing
 977  * is required, then it won't get processing time until further messages
 978  * are processed (it'll sit in DoMessage).
 979  */
 980
 981 int wxApp::MainLoop()
 982 {
 983     m_keepGoing = TRUE;
 984
 985     while ( m_keepGoing )
 986     {
 987 #if wxUSE_THREADS
 988         wxMutexGuiLeaveOrEnter();
 989 #endif // wxUSE_THREADS
 990
 991         while ( !Pending() && ProcessIdle() )
 992             ;
 993
 994         // a message came or no more idle processing to do
 995         DoMessage();
 996     }
 997
 998     return s_currentMsg.wParam;
 999 }
1000
1001 // Returns TRUE if more time is needed.
1002 bool wxApp::ProcessIdle()
1003 {
1004     wxIdleEvent event;
1005     event.SetEventObject(this);
1006     ProcessEvent(event);
1007
1008     return event.MoreRequested();
1009 }
1010
1011 void wxApp::ExitMainLoop()
1012 {
1013     // VZ: why not ::PostQuitMessage()?
1014     m_keepGoing = FALSE;
1015 }
1016
1017 bool wxApp::Pending()
1018 {
1019     return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
1020 }
1021
1022 void wxApp::Dispatch()
1023 {
1024     DoMessage();
1025 }
1026
1027 /*
1028  * Give all windows a chance to preprocess
1029  * the message. Some may have accelerator tables, or have
1030  * MDI complications.
1031  */
1032
1033 bool wxApp::ProcessMessage(WXMSG *wxmsg)
1034 {
1035     MSG *msg = (MSG *)wxmsg;
1036     HWND hWnd = msg->hwnd;
1037     wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd);
1038
1039 #if wxUSE_TOOLTIPS
1040     // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
1041     // popup the tooltip bubbles
1042     if ( wndThis && (msg->message == WM_MOUSEMOVE) )
1043     {
1044         wxToolTip *tt = wndThis->GetToolTip();
1045         if ( tt )
1046         {
1047             tt->RelayEvent(wxmsg);
1048         }
1049     }
1050 #endif // wxUSE_TOOLTIPS
1051
1052     // Try translations first; find the youngest window with
1053     // a translation table.
1054     wxWindow *wnd;
1055
1056     bool pastTopLevelWindow = FALSE;
1057     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
1058     {
1059         if ( !pastTopLevelWindow && wnd->MSWTranslateMessage(wxmsg))
1060             return TRUE;
1061         if ( wnd->MSWProcessMessage(wxmsg) )
1062             return TRUE;
1063
1064         // stop at first top level window, i.e. don't try to process the key
1065         // strokes originating in a dialog using the accelerators of the parent
1066         // frame - this doesn't make much sense
1067         if ( wnd->IsTopLevel() )
1068             pastTopLevelWindow = TRUE;
1069     }
1070
1071     return FALSE;
1072 }
1073
1074 void wxApp::OnIdle(wxIdleEvent& event)
1075 {
1076     static bool s_inOnIdle = FALSE;
1077
1078     // Avoid recursion (via ProcessEvent default case)
1079     if ( s_inOnIdle )
1080         return;
1081
1082     s_inOnIdle = TRUE;
1083
1084     // If there are pending events, we must process them: pending events
1085     // are either events to the threads other than main or events posted
1086     // with wxPostEvent() functions
1087     // GRG: I have moved this here so that all pending events are processed
1088     //   before starting to delete any objects. This behaves better (in
1089     //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
1090     //   behaviour. Changed Feb/2000 before 2.1.14
1091     ProcessPendingEvents();
1092
1093     // 'Garbage' collection of windows deleted with Close().
1094     DeletePendingObjects();
1095
1096 #if wxUSE_LOG
1097     // flush the logged messages if any
1098     wxLog::FlushActive();
1099 #endif // wxUSE_LOG
1100
1101     // Send OnIdle events to all windows
1102     if ( SendIdleEvents() )
1103     {
1104         // SendIdleEvents() returns TRUE if at least one window requested more
1105         // idle events
1106         event.RequestMore(TRUE);
1107     }
1108
1109     s_inOnIdle = FALSE;
1110 }
1111
1112 // Send idle event to all top-level windows
1113 bool wxApp::SendIdleEvents()
1114 {
1115     bool needMore = FALSE;
1116
1117     wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
1118     while (node)
1119     {
1120         wxWindow* win = node->GetData();
1121         if (SendIdleEvents(win))
1122             needMore = TRUE;
1123         node = node->GetNext();
1124     }
1125
1126     return needMore;
1127 }
1128
1129 // Send idle event to window and all subwindows
1130 bool wxApp::SendIdleEvents(wxWindow* win)
1131 {
1132     bool needMore = FALSE;
1133
1134     wxIdleEvent event;
1135     event.SetEventObject(win);
1136     win->GetEventHandler()->ProcessEvent(event);
1137
1138     if (event.MoreRequested())
1139         needMore = TRUE;
1140
1141     wxNode* node = win->GetChildren().First();
1142     while (node)
1143     {
1144         wxWindow* win = (wxWindow*) node->Data();
1145         if (SendIdleEvents(win))
1146             needMore = TRUE;
1147
1148         node = node->Next();
1149     }
1150     return needMore;
1151 }
1152
1153 void wxApp::DeletePendingObjects()
1154 {
1155     wxNode *node = wxPendingDelete.First();
1156     while (node)
1157     {
1158         wxObject *obj = (wxObject *)node->Data();
1159
1160         delete obj;
1161
1162         if (wxPendingDelete.Member(obj))
1163             delete node;
1164
1165         // Deleting one object may have deleted other pending
1166         // objects, so start from beginning of list again.
1167         node = wxPendingDelete.First();
1168     }
1169 }
1170
1171 void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
1172 {
1173     if (GetTopWindow())
1174         GetTopWindow()->Close(TRUE);
1175 }
1176
1177 // Default behaviour: close the application with prompts. The
1178 // user can veto the close, and therefore the end session.
1179 void wxApp::OnQueryEndSession(wxCloseEvent& event)
1180 {
1181     if (GetTopWindow())
1182     {
1183         if (!GetTopWindow()->Close(!event.CanVeto()))
1184             event.Veto(TRUE);
1185     }
1186 }
1187
1188 /* static */
1189 int wxApp::GetComCtl32Version()
1190 {
1191     // cache the result
1192     static int s_verComCtl32 = -1;
1193
1194     wxCRIT_SECT_DECLARE(csComCtl32);
1195     wxCRIT_SECT_LOCKER(lock, csComCtl32);
1196
1197     if ( s_verComCtl32 == -1 )
1198     {
1199         // initally assume no comctl32.dll at all
1200         s_verComCtl32 = 0;
1201
1202         // do we have it?
1203         HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));
1204
1205         // if so, then we can check for the version
1206         if ( hModuleComCtl32 )
1207         {
1208             // try to use DllGetVersion() if available in _headers_
1209             #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
1210                 DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
1211                     ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
1212                 if ( pfnDllGetVersion )
1213                 {
1214                     DLLVERSIONINFO dvi;
1215                     dvi.cbSize = sizeof(dvi);
1216
1217                     HRESULT hr = (*pfnDllGetVersion)(&dvi);
1218                     if ( FAILED(hr) )
1219                     {
1220                         wxLogApiError(_T("DllGetVersion"), hr);
1221                     }
1222                     else
1223                     {
1224                         // this is incompatible with _WIN32_IE values, but
1225                         // compatible with the other values returned by
1226                         // GetComCtl32Version()
1227                         s_verComCtl32 = 100*dvi.dwMajorVersion +
1228                                             dvi.dwMinorVersion;
1229                     }
1230                 }
1231             #endif
1232                 // DllGetVersion() unavailable either during compile or
1233                 // run-time, try to guess the version otherwise
1234                 if ( !s_verComCtl32 )
1235                 {
1236                     // InitCommonControlsEx is unique to 4.70 and later
1237                     FARPROC theProc = ::GetProcAddress
1238                                         (
1239                                          hModuleComCtl32,
1240                                          "InitCommonControlsEx"
1241                                         );
1242
1243                     if ( !theProc )
1244                     {
1245                         // not found, must be 4.00
1246                         s_verComCtl32 = 400;
1247                     }
1248                     else
1249                     {
1250                         // many symbols appeared in comctl32 4.71, could use
1251                         // any of them except may be DllInstall
1252                         theProc = ::GetProcAddress
1253                                     (
1254                                      hModuleComCtl32,
1255                                      "InitializeFlatSB"
1256                                     );
1257                         if ( !theProc )
1258                         {
1259                             // not found, must be 4.70
1260                             s_verComCtl32 = 470;
1261                         }
1262                         else
1263                         {
1264                             // found, must be 4.71
1265                             s_verComCtl32 = 471;
1266                         }
1267                     }
1268                 }
1269         }
1270     }
1271
1272     return s_verComCtl32;
1273 }
1274
1275 void wxExit()
1276 {
1277     wxLogError(_("Fatal error: exiting"));
1278
1279     wxApp::CleanUp();
1280     exit(0);
1281 }
1282
1283 // Yield to incoming messages
1284
1285 static bool gs_inYield = FALSE;
1286
1287 bool wxYield()
1288 {
1289     // disable log flushing from here because a call to wxYield() shouldn't
1290     // normally result in message boxes popping up &c
1291     wxLog::Suspend();
1292
1293 #ifdef __WXDEBUG__
1294     if (gs_inYield)
1295         wxFAIL_MSG( wxT("wxYield called recursively" ) );
1296 #endif
1297
1298     gs_inYield = TRUE;
1299
1300     // we don't want to process WM_QUIT from here - it should be processed in
1301     // the main event loop in order to stop it
1302     MSG msg;
1303     while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
1304             msg.message != WM_QUIT )
1305     {
1306 #if wxUSE_THREADS
1307         wxMutexGuiLeaveOrEnter();
1308 #endif // wxUSE_THREADS
1309
1310         if ( !wxTheApp->DoMessage() )
1311             break;
1312     }
1313
1314     // If they are pending events, we must process them.
1315     if (wxTheApp)
1316         wxTheApp->ProcessPendingEvents();
1317
1318     // let the logs be flashed again
1319     wxLog::Resume();
1320
1321     gs_inYield = FALSE;
1322
1323     return TRUE;
1324 }
1325
1326 // Yield to incoming messages; but fail silently if recursion is detected.
1327 bool wxYieldIfNeeded()
1328 {
1329     if (gs_inYield)
1330         return FALSE;
1331
1332     return wxYield();
1333 }
1334
1335 bool wxHandleFatalExceptions(bool doit)
1336 {
1337 #if wxUSE_ON_FATAL_EXCEPTION
1338     // assume this can only be called from the main thread
1339     gs_handleExceptions = doit;
1340
1341     return TRUE;
1342 #else
1343     wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
1344
1345         (void)doit;
1346     return FALSE;
1347 #endif
1348 }
1349
1350 //-----------------------------------------------------------------------------
1351 // wxWakeUpIdle
1352 //-----------------------------------------------------------------------------
1353
1354 void wxWakeUpIdle()
1355 {
1356     // Send the top window a dummy message so idle handler processing will
1357     // start up again.  Doing it this way ensures that the idle handler
1358     // wakes up in the right thread (see also wxWakeUpMainThread() which does
1359     // the same for the main app thread only)
1360     wxWindow *topWindow = wxTheApp->GetTopWindow();
1361     if ( topWindow )
1362     {
1363         if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
1364         {
1365             // should never happen
1366             wxLogLastError(wxT("PostMessage(WM_NULL)"));
1367         }
1368     }
1369 }
1370
1371 //-----------------------------------------------------------------------------
1372
1373 wxIcon
1374 wxApp::GetStdIcon(int which) const
1375 {
1376     switch(which)
1377     {
1378         case wxICON_INFORMATION:
1379             return wxIcon("wxICON_INFO");
1380
1381         case wxICON_QUESTION:
1382             return wxIcon("wxICON_QUESTION");
1383
1384         case wxICON_EXCLAMATION:
1385             return wxIcon("wxICON_WARNING");
1386
1387         default:
1388             wxFAIL_MSG(wxT("requested non existent standard icon"));
1389             // still fall through
1390
1391         case wxICON_HAND:
1392             return wxIcon("wxICON_ERROR");
1393     }
1394 }
1395
1396 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
1397 // if in a separate file. So include it here to ensure it's linked.
1398 #if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
1399 #include "main.cpp"
1400 #endif