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