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     #include "wx/log.h"
  49 #endif
  50
  51 #include "wx/cmdline.h"
  52 #include "wx/filename.h"
  53 #include "wx/module.h"
  54
  55 #include "wx/msw/private.h"
  56
  57 #if wxUSE_THREADS
  58     #include "wx/thread.h"
  59
  60     // define the array of MSG strutures
  61     WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
  62
  63     #include "wx/arrimpl.cpp"
  64
  65     WX_DEFINE_OBJARRAY(wxMsgArray);
  66 #endif // wxUSE_THREADS
  67
  68 #if wxUSE_WX_RESOURCES
  69     #include "wx/resource.h"
  70 #endif
  71
  72 #if wxUSE_TOOLTIPS
  73     #include "wx/tooltip.h"
  74 #endif // wxUSE_TOOLTIPS
  75
  76 // OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
  77 // compilers don't support it (missing headers, libs, ...)
  78 #if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__)
  79     #undef wxUSE_OLE
  80
  81     #define  wxUSE_OLE 0
  82 #endif // broken compilers
  83
  84 #if wxUSE_OLE
  85     #include <ole2.h>
  86 #endif
  87
  88 #include <string.h>
  89 #include <ctype.h>
  90
  91 #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))
  92     #include <commctrl.h>
  93 #endif
  94
  95 #ifndef __WXMICROWIN__
  96 #include "wx/msw/msvcrt.h"
  97 #endif
  98
  99 // ----------------------------------------------------------------------------
 100 // conditional compilation
 101 // ----------------------------------------------------------------------------
 102
 103 // The macro _WIN32_IE is defined by commctrl.h (unless it had already been
 104 // defined before) and shows us what common control features are available
 105 // during the compile time (it doesn't mean that they will be available during
 106 // the run-time, use GetComCtl32Version() to test for them!). The possible
 107 // values are:
 108 //
 109 // 0x0200     for comctl32.dll 4.00 shipped with Win95/NT 4.0
 110 // 0x0300                      4.70              IE 3.x
 111 // 0x0400                      4.71              IE 4.0
 112 // 0x0401                      4.72              IE 4.01 and Win98
 113 // 0x0500                      5.00              IE 5.x and NT 5.0 (Win2000)
 114
 115 #ifndef _WIN32_IE
 116     // minimal set of features by default
 117     #define _WIN32_IE 0x0200
 118 #endif
 119
 120 #if _WIN32_IE >= 0x0300 && \
 121     (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 ))
 122     #include <shlwapi.h>
 123 #endif
 124
 125 // ---------------------------------------------------------------------------
 126 // global variables
 127 // ---------------------------------------------------------------------------
 128
 129 extern wxChar *wxBuffer;
 130 extern wxList WXDLLEXPORT wxPendingDelete;
 131 #ifndef __WXMICROWIN__
 132 extern void wxSetKeyboardHook(bool doIt);
 133 #endif
 134
 135 MSG s_currentMsg;
 136 wxApp *wxTheApp = NULL;
 137
 138 // NB: all "NoRedraw" classes must have the same names as the "normal" classes
 139 //     with NR suffix - wxWindow::MSWCreate() supposes this
 140 const wxChar *wxCanvasClassName        = wxT("wxWindowClass");
 141 const wxChar *wxCanvasClassNameNR      = wxT("wxWindowClassNR");
 142 const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
 143 const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
 144 const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
 145 const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
 146
 147 HICON wxSTD_FRAME_ICON = (HICON) NULL;
 148 HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
 149 HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
 150
 151 HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
 152 HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
 153 HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
 154
 155 HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
 156
 157 LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
 158
 159 // FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
 160 //       needs compiler support for Win32 SEH. Others (especially Borland)
 161 //       probably have it too, but I'm not sure about how it works
 162 // JACS: get 'Cannot use __try in functions that require unwinding
 163 // in Unicode mode, so disabling.
 164 #if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)
 165     #undef wxUSE_ON_FATAL_EXCEPTION
 166     #define wxUSE_ON_FATAL_EXCEPTION 0
 167 #endif // VC++
 168
 169 #if wxUSE_ON_FATAL_EXCEPTION
 170     static bool gs_handleExceptions = FALSE;
 171 #endif
 172
 173 // ===========================================================================
 174 // implementation
 175 // ===========================================================================
 176
 177 // ---------------------------------------------------------------------------
 178 // wxApp
 179 // ---------------------------------------------------------------------------
 180
 181 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 182
 183 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 184     EVT_IDLE(wxApp::OnIdle)
 185     EVT_END_SESSION(wxApp::OnEndSession)
 186     EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 187 END_EVENT_TABLE()
 188
 189 //// Initialize
 190 bool wxApp::Initialize()
 191 {
 192     // the first thing to do is to check if we're trying to run an Unicode
 193     // program under Win9x w/o MSLU emulation layer - if so, abort right now
 194     // as it has no chance to work
 195 #if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
 196     if ( wxGetOsVersion() != wxWINDOWS_NT )
 197     {
 198         // note that we can use MessageBoxW() as it's implemented even under
 199         // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
 200         // used by wxLocale are not
 201         ::MessageBox
 202         (
 203          NULL,
 204          _T("This program uses Unicode and requires Windows NT/2000/XP.\nProgram aborted."),
 205          _T("wxWindows Fatal Error"),
 206          MB_ICONERROR | MB_OK
 207         );
 208
 209         return FALSE;
 210     }
 211 #endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU
 212
 213     wxBuffer = new wxChar[1500]; // FIXME
 214
 215     wxClassInfo::InitializeClasses();
 216
 217 #if wxUSE_THREADS
 218     wxPendingEventsLocker = new wxCriticalSection;
 219 #endif
 220
 221     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
 222     wxTheColourDatabase->Initialize();
 223
 224     wxInitializeStockLists();
 225     wxInitializeStockObjects();
 226
 227 #if wxUSE_WX_RESOURCES
 228     wxInitializeResourceSystem();
 229 #endif
 230
 231     wxBitmap::InitStandardHandlers();
 232
 233 #if defined(__WIN95__) && !defined(__WXMICROWIN__)
 234     InitCommonControls();
 235 #endif // __WIN95__
 236
 237 #if wxUSE_OLE || wxUSE_DRAG_AND_DROP
 238
 239 #ifdef __WIN16__
 240     // for OLE, enlarge message queue to be as large as possible
 241     int iMsg = 96;
 242     while (!SetMessageQueue(iMsg) && (iMsg -= 8))
 243         ;
 244 #endif // Win16
 245
 246 #if wxUSE_OLE
 247     // we need to initialize OLE library
 248     if ( FAILED(::OleInitialize(NULL)) )
 249         wxLogError(_("Cannot initialize OLE"));
 250 #endif
 251
 252 #endif // wxUSE_OLE
 253
 254 #if wxUSE_CTL3D
 255     if (!Ctl3dRegister(wxhInstance))
 256         wxLogError(wxT("Cannot register CTL3D"));
 257
 258     Ctl3dAutoSubclass(wxhInstance);
 259 #endif // wxUSE_CTL3D
 260
 261     // VZ: these icons are not in wx.rc anyhow (but should they?)!
 262 #if 0
 263     wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME"));
 264     wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME"));
 265     wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME"));
 266
 267     wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME"));
 268     wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME"));
 269     wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME"));
 270 #endif // 0
 271
 272     RegisterWindowClasses();
 273
 274 #ifndef __WXMICROWIN__
 275     // Create the brush for disabling bitmap buttons
 276
 277     LOGBRUSH lb;
 278     lb.lbStyle = BS_PATTERN;
 279     lb.lbColor = 0;
 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 #endif
 288
 289 #if wxUSE_PENWINDOWS
 290     wxRegisterPenWin();
 291 #endif
 292
 293     wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
 294
 295     // This is to foil optimizations in Visual C++ that throw out dummy.obj.
 296     // PLEASE DO NOT ALTER THIS.
 297 #if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL)
 298     extern char wxDummyChar;
 299     if (wxDummyChar) wxDummyChar++;
 300 #endif
 301
 302 #ifndef __WXMICROWIN__
 303     wxSetKeyboardHook(TRUE);
 304 #endif
 305
 306     wxModule::RegisterModules();
 307     if (!wxModule::InitializeModules())
 308         return FALSE;
 309     return TRUE;
 310 }
 311
 312 // ---------------------------------------------------------------------------
 313 // RegisterWindowClasses
 314 // ---------------------------------------------------------------------------
 315
 316 // TODO we should only register classes really used by the app. For this it
 317 //      would be enough to just delay the class registration until an attempt
 318 //      to create a window of this class is made.
 319 bool wxApp::RegisterWindowClasses()
 320 {
 321     WNDCLASS wndclass;
 322     wxZeroMemory(wndclass);
 323
 324     // for each class we register one with CS_(V|H)REDRAW style and one
 325     // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
 326     static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
 327     static const long styleNoRedraw = CS_DBLCLKS;
 328
 329     // the fields which are common to all classes
 330     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
 331     wndclass.hInstance     = wxhInstance;
 332     wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
 333
 334     // Register the frame window class.
 335     wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
 336     wndclass.lpszClassName = wxCanvasClassName;
 337     wndclass.style         = styleNormal;
 338
 339     if ( !RegisterClass(&wndclass) )
 340     {
 341         wxLogLastError(wxT("RegisterClass(frame)"));
 342     }
 343
 344     // "no redraw" frame
 345     wndclass.lpszClassName = wxCanvasClassNameNR;
 346     wndclass.style         = styleNoRedraw;
 347
 348     if ( !RegisterClass(&wndclass) )
 349     {
 350         wxLogLastError(wxT("RegisterClass(no redraw frame)"));
 351     }
 352
 353     // Register the MDI frame window class.
 354     wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
 355     wndclass.lpszClassName = wxMDIFrameClassName;
 356     wndclass.style         = styleNormal;
 357
 358     if ( !RegisterClass(&wndclass) )
 359     {
 360         wxLogLastError(wxT("RegisterClass(MDI parent)"));
 361     }
 362
 363     // "no redraw" MDI frame
 364     wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
 365     wndclass.style         = styleNoRedraw;
 366
 367     if ( !RegisterClass(&wndclass) )
 368     {
 369         wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
 370     }
 371
 372     // Register the MDI child frame window class.
 373     wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 374     wndclass.lpszClassName = wxMDIChildFrameClassName;
 375     wndclass.style         = styleNormal;
 376
 377     if ( !RegisterClass(&wndclass) )
 378     {
 379         wxLogLastError(wxT("RegisterClass(MDI child)"));
 380     }
 381
 382     // "no redraw" MDI child frame
 383     wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
 384     wndclass.style         = styleNoRedraw;
 385
 386     if ( !RegisterClass(&wndclass) )
 387     {
 388         wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
 389     }
 390
 391     return TRUE;
 392 }
 393
 394 // ---------------------------------------------------------------------------
 395 // UnregisterWindowClasses
 396 // ---------------------------------------------------------------------------
 397
 398 bool wxApp::UnregisterWindowClasses()
 399 {
 400     bool retval = TRUE;
 401
 402 #ifndef __WXMICROWIN__
 403     // MDI frame window class.
 404     if ( !::UnregisterClass(wxMDIFrameClassName, wxhInstance) )
 405     {
 406         wxLogLastError(wxT("UnregisterClass(MDI parent)"));
 407
 408         retval = FALSE;
 409     }
 410
 411     // "no redraw" MDI frame
 412     if ( !::UnregisterClass(wxMDIFrameClassNameNoRedraw, wxhInstance) )
 413     {
 414         wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)"));
 415
 416         retval = FALSE;
 417     }
 418
 419     // MDI child frame window class.
 420     if ( !::UnregisterClass(wxMDIChildFrameClassName, wxhInstance) )
 421     {
 422         wxLogLastError(wxT("UnregisterClass(MDI child)"));
 423
 424         retval = FALSE;
 425     }
 426
 427     // "no redraw" MDI child frame
 428     if ( !::UnregisterClass(wxMDIChildFrameClassNameNoRedraw, wxhInstance) )
 429     {
 430         wxLogLastError(wxT("UnregisterClass(no redraw MDI child)"));
 431
 432         retval = FALSE;
 433     }
 434
 435     // canvas class name
 436     if ( !::UnregisterClass(wxCanvasClassName, wxhInstance) )
 437     {
 438         wxLogLastError(wxT("UnregisterClass(canvas)"));
 439
 440         retval = FALSE;
 441     }
 442
 443     if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) )
 444     {
 445         wxLogLastError(wxT("UnregisterClass(no redraw canvas)"));
 446
 447         retval = FALSE;
 448     }
 449 #endif // __WXMICROWIN__
 450
 451     return retval;
 452 }
 453
 454 // ---------------------------------------------------------------------------
 455 // Convert Windows to argc, argv style
 456 // ---------------------------------------------------------------------------
 457
 458 void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine)
 459 {
 460     // break the command line in words
 461     wxArrayString args =
 462         wxCmdLineParser::ConvertStringToArgs(wxConvertMB2WX(lpCmdLine));
 463
 464     // +1 here for the program name
 465     argc = args.GetCount() + 1;
 466
 467     // and +1 here for the terminating NULL
 468     argv = new wxChar *[argc + 1];
 469
 470     argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h
 471     ::GetModuleFileName(wxhInstance, argv[0], 260);
 472
 473     // also set the app name from argv[0]
 474     wxString name;
 475     wxFileName::SplitPath(argv[0], NULL, &name, NULL);
 476
 477     SetAppName(name);
 478
 479     // copy all the other arguments to wxApp::argv[]
 480     for ( int i = 1; i < argc; i++ )
 481     {
 482         argv[i] = copystring(args[i - 1]);
 483     }
 484
 485     // argv[] must be NULL-terminated
 486     argv[argc] = NULL;
 487 }
 488
 489 //// Cleans up any wxWindows internal structures left lying around
 490
 491 void wxApp::CleanUp()
 492 {
 493     //// COMMON CLEANUP
 494
 495 #if wxUSE_LOG
 496     // flush the logged messages if any and install a 'safer' log target: the
 497     // default one (wxLogGui) can't be used after the resources are freed just
 498     // below and the user suppliedo ne might be even more unsafe (using any
 499     // wxWindows GUI function is unsafe starting from now)
 500     wxLog::DontCreateOnDemand();
 501
 502     // this will flush the old messages if any
 503     delete wxLog::SetActiveTarget(new wxLogStderr);
 504 #endif // wxUSE_LOG
 505
 506     // One last chance for pending objects to be cleaned up
 507     wxTheApp->DeletePendingObjects();
 508
 509     wxModule::CleanUpModules();
 510
 511 #if wxUSE_WX_RESOURCES
 512     wxCleanUpResourceSystem();
 513
 514     //  wxDefaultResourceTable->ClearTable();
 515 #endif
 516
 517     wxDeleteStockObjects();
 518
 519     // Destroy all GDI lists, etc.
 520     wxDeleteStockLists();
 521
 522     delete wxTheColourDatabase;
 523     wxTheColourDatabase = NULL;
 524
 525     wxBitmap::CleanUpHandlers();
 526
 527     delete[] wxBuffer;
 528     wxBuffer = NULL;
 529
 530     //// WINDOWS-SPECIFIC CLEANUP
 531
 532 #ifndef __WXMICROWIN__
 533     wxSetKeyboardHook(FALSE);
 534 #endif
 535
 536 #if wxUSE_PENWINDOWS
 537     wxCleanUpPenWin();
 538 #endif
 539
 540     if (wxSTD_FRAME_ICON)
 541         DestroyIcon(wxSTD_FRAME_ICON);
 542     if (wxSTD_MDICHILDFRAME_ICON)
 543         DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
 544     if (wxSTD_MDIPARENTFRAME_ICON)
 545         DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
 546
 547     if (wxDEFAULT_FRAME_ICON)
 548         DestroyIcon(wxDEFAULT_FRAME_ICON);
 549     if (wxDEFAULT_MDICHILDFRAME_ICON)
 550         DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
 551     if (wxDEFAULT_MDIPARENTFRAME_ICON)
 552         DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 553
 554     if ( wxDisableButtonBrush )
 555         ::DeleteObject( wxDisableButtonBrush );
 556
 557 #if wxUSE_OLE
 558     ::OleUninitialize();
 559 #endif
 560
 561 #ifdef WXMAKINGDLL
 562     // for an EXE the classes are unregistered when it terminates but DLL may
 563     // be loaded several times (load/unload/load) into the same process in
 564     // which case the registration will fail after the first time if we don't
 565     // unregister the classes now
 566     UnregisterWindowClasses();
 567 #endif // WXMAKINGDLL
 568
 569 #if wxUSE_CTL3D
 570     Ctl3dUnregister(wxhInstance);
 571 #endif
 572
 573     delete wxWinHandleHash;
 574
 575     // GL: I'm annoyed ... I don't know where to put this and I don't want to
 576     // create a module for that as it's part of the core.
 577     delete wxPendingEvents;
 578
 579 #if wxUSE_THREADS
 580     delete wxPendingEventsLocker;
 581     // If we don't do the following, we get an apparent memory leak
 582 #if wxUSE_VALIDATORS
 583     ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
 584 #endif // wxUSE_VALIDATORS
 585 #endif // wxUSE_THREADS
 586
 587     wxClassInfo::CleanUpClasses();
 588
 589     delete wxTheApp;
 590     wxTheApp = NULL;
 591
 592 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 593     // At this point we want to check if there are any memory
 594     // blocks that aren't part of the wxDebugContext itself,
 595     // as a special case. Then when dumping we need to ignore
 596     // wxDebugContext, too.
 597     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
 598     {
 599         wxLogMessage(wxT("There were memory leaks."));
 600         wxDebugContext::Dump();
 601         wxDebugContext::PrintStatistics();
 602     }
 603     //  wxDebugContext::SetStream(NULL, NULL);
 604 #endif
 605
 606 #if wxUSE_LOG
 607     // do it as the very last thing because everything else can log messages
 608     delete wxLog::SetActiveTarget(NULL);
 609 #endif // wxUSE_LOG
 610 }
 611
 612 //----------------------------------------------------------------------
 613 // Entry point helpers, used by wxPython
 614 //----------------------------------------------------------------------
 615
 616 int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
 617 {
 618     return wxApp::Initialize();
 619 }
 620
 621 int WXDLLEXPORT wxEntryInitGui()
 622 {
 623     return wxTheApp->OnInitGui();
 624 }
 625
 626 void WXDLLEXPORT wxEntryCleanup()
 627 {
 628     wxApp::CleanUp();
 629 }
 630
 631
 632 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 633
 634 // temporarily disable this warning which would be generated in release builds
 635 // because of __try
 636 #ifdef __VISUALC__
 637     #pragma warning(disable: 4715) // not all control paths return a value
 638 #endif // Visual C++
 639
 640 //----------------------------------------------------------------------
 641 // Main wxWindows entry point
 642 //----------------------------------------------------------------------
 643 int wxEntry(WXHINSTANCE hInstance,
 644             WXHINSTANCE WXUNUSED(hPrevInstance),
 645             char *lpCmdLine,
 646             int nCmdShow,
 647             bool enterLoop)
 648 {
 649     // do check for memory leaks on program exit
 650     // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
 651     //  deallocated memory which may be used to simulate low-memory condition)
 652 #ifndef __WXMICROWIN__
 653     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
 654 #endif
 655
 656 #ifdef __MWERKS__
 657 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
 658     // This seems to be necessary since there are 'rogue'
 659     // objects present at this point (perhaps global objects?)
 660     // Setting a checkpoint will ignore them as far as the
 661     // memory checking facility is concerned.
 662     // Of course you may argue that memory allocated in globals should be
 663     // checked, but this is a reasonable compromise.
 664     wxDebugContext::SetCheckpoint();
 665 #endif
 666 #endif
 667
 668     // take everything into a try-except block to be able to call
 669     // OnFatalException() if necessary
 670 #if wxUSE_ON_FATAL_EXCEPTION
 671     __try {
 672 #endif
 673         wxhInstance = (HINSTANCE) hInstance;
 674
 675         if (!wxEntryStart(0,0))
 676             return 0;
 677
 678         // create the application object or ensure that one already exists
 679         if (!wxTheApp)
 680         {
 681             // The app may have declared a global application object, but we recommend
 682             // the IMPLEMENT_APP macro is used instead, which sets an initializer
 683             // function for delayed, dynamic app object construction.
 684             wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 685                          wxT("No initializer - use IMPLEMENT_APP macro.") );
 686
 687             wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();
 688         }
 689
 690         wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
 691
 692         // save the WinMain() parameters
 693         if (lpCmdLine) // MicroWindows passes NULL
 694             wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
 695         wxTheApp->m_nCmdShow = nCmdShow;
 696
 697         // We really don't want timestamps by default, because it means
 698         // we can't simply double-click on the error message and get to that
 699         // line in the source. So VC++ at least, let's have a sensible default.
 700 #ifdef __VISUALC__
 701         wxLog::SetTimestamp(NULL);
 702 #endif
 703
 704         int retValue = 0;
 705
 706         // it is common to create a modal dialog in OnInit() (to ask/notify the
 707         // user about something) but it wouldn't work if we don't change the
 708         // "exit on delete last frame" flag here as when this dialog is
 709         // deleted, the app would terminate (it was the last top level window
 710         // as the main frame wasn't created yet!), so disable this behaviour
 711         // temproarily
 712         bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
 713         wxTheApp->SetExitOnFrameDelete(FALSE);
 714
 715         // init the app
 716         retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
 717
 718         // restore the old flag value
 719         wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
 720
 721         if ( retValue == 0 )
 722         {
 723             if ( enterLoop )
 724             {
 725                 // run the main loop
 726                 retValue = wxTheApp->OnRun();
 727             }
 728             else
 729             {
 730                 // we want to initialize, but not run or exit immediately.
 731                 return 1;
 732             }
 733         }
 734         //else: app initialization failed, so we skipped OnRun()
 735
 736         wxWindow *topWindow = wxTheApp->GetTopWindow();
 737         if ( topWindow )
 738         {
 739             // Forcibly delete the window.
 740             if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
 741                     topWindow->IsKindOf(CLASSINFO(wxDialog)) )
 742             {
 743                 topWindow->Close(TRUE);
 744                 wxTheApp->DeletePendingObjects();
 745             }
 746             else
 747             {
 748                 delete topWindow;
 749                 wxTheApp->SetTopWindow(NULL);
 750             }
 751         }
 752
 753         wxTheApp->OnExit();
 754
 755         wxEntryCleanup();
 756
 757         return retValue;
 758
 759 #if wxUSE_ON_FATAL_EXCEPTION
 760     }
 761     __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
 762                                    : EXCEPTION_CONTINUE_SEARCH ) {
 763         if ( wxTheApp )
 764         {
 765            // give the user a chance to do something special about this
 766            wxTheApp->OnFatalException();
 767         }
 768
 769         ::ExitProcess(3); // the same exit code as abort()
 770
 771         // NOTREACHED
 772     }
 773 #endif // wxUSE_ON_FATAL_EXCEPTION
 774 }
 775
 776 // restore warning state
 777 #ifdef __VISUALC__
 778     #pragma warning(default: 4715) // not all control paths return a value
 779 #endif // Visual C++
 780
 781 #else /*  _WINDLL  */
 782
 783 //----------------------------------------------------------------------
 784 // Entry point for wxWindows + the App in a DLL
 785 //----------------------------------------------------------------------
 786
 787 int wxEntry(WXHINSTANCE hInstance)
 788 {
 789     wxhInstance = (HINSTANCE) hInstance;
 790     wxEntryStart(0, 0);
 791
 792     // The app may have declared a global application object, but we recommend
 793     // the IMPLEMENT_APP macro is used instead, which sets an initializer function
 794     // for delayed, dynamic app object construction.
 795     if (!wxTheApp)
 796     {
 797         wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
 798                      "No initializer - use IMPLEMENT_APP macro." );
 799
 800         wxTheApp = (* wxApp::GetInitializerFunction()) ();
 801     }
 802
 803     wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
 804
 805     wxTheApp->argc = 0;
 806     wxTheApp->argv = NULL;
 807
 808     wxEntryInitGui();
 809
 810     wxTheApp->OnInit();
 811
 812     wxWindow *topWindow = wxTheApp->GetTopWindow();
 813     if ( topWindow && topWindow->GetHWND())
 814     {
 815         topWindow->Show(TRUE);
 816     }
 817
 818     return 1;
 819 }
 820 #endif // _WINDLL
 821
 822 //// Static member initialization
 823
 824 wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 825
 826 wxApp::wxApp()
 827 {
 828     argc = 0;
 829     argv = NULL;
 830     m_printMode = wxPRINT_WINDOWS;
 831     m_auto3D = TRUE;
 832 }
 833
 834 wxApp::~wxApp()
 835 {
 836     // Delete command-line args
 837     int i;
 838     for (i = 0; i < argc; i++)
 839     {
 840         delete[] argv[i];
 841     }
 842     delete[] argv;
 843 }
 844
 845 bool wxApp::Initialized()
 846 {
 847 #ifndef _WINDLL
 848     if (GetTopWindow())
 849         return TRUE;
 850     else
 851         return FALSE;
 852 #else // Assume initialized if DLL (no way of telling)
 853     return TRUE;
 854 #endif
 855 }
 856
 857 /*
 858  * Get and process a message, returning FALSE if WM_QUIT
 859  * received (and also set the flag telling the app to exit the main loop)
 860  *
 861  */
 862 bool wxApp::DoMessage()
 863 {
 864     BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
 865     if ( rc == 0 )
 866     {
 867         // got WM_QUIT
 868         m_keepGoing = FALSE;
 869
 870         return FALSE;
 871     }
 872     else if ( rc == -1 )
 873     {
 874         // should never happen, but let's test for it nevertheless
 875         wxLogLastError(wxT("GetMessage"));
 876     }
 877     else
 878     {
 879 #if wxUSE_THREADS
 880         wxASSERT_MSG( wxThread::IsMain(),
 881                       wxT("only the main thread can process Windows messages") );
 882
 883         static bool s_hadGuiLock = TRUE;
 884         static wxMsgArray s_aSavedMessages;
 885
 886         // if a secondary thread owns is doing GUI calls, save all messages for
 887         // later processing - we can't process them right now because it will
 888         // lead to recursive library calls (and we're not reentrant)
 889         if ( !wxGuiOwnedByMainThread() )
 890         {
 891             s_hadGuiLock = FALSE;
 892
 893             // leave out WM_COMMAND messages: too dangerous, sometimes
 894             // the message will be processed twice
 895             if ( !wxIsWaitingForThread() ||
 896                     s_currentMsg.message != WM_COMMAND )
 897             {
 898                 s_aSavedMessages.Add(s_currentMsg);
 899             }
 900
 901             return TRUE;
 902         }
 903         else
 904         {
 905             // have we just regained the GUI lock? if so, post all of the saved
 906             // messages
 907             //
 908             // FIXME of course, it's not _exactly_ the same as processing the
 909             //       messages normally - expect some things to break...
 910             if ( !s_hadGuiLock )
 911             {
 912                 s_hadGuiLock = TRUE;
 913
 914                 size_t count = s_aSavedMessages.GetCount();
 915                 for ( size_t n = 0; n < count; n++ )
 916                 {
 917                     MSG& msg = s_aSavedMessages[n];
 918
 919                     DoMessage((WXMSG *)&msg);
 920                 }
 921
 922                 s_aSavedMessages.Empty();
 923             }
 924         }
 925 #endif // wxUSE_THREADS
 926
 927         // Process the message
 928         DoMessage((WXMSG *)&s_currentMsg);
 929     }
 930
 931     return TRUE;
 932 }
 933
 934 void wxApp::DoMessage(WXMSG *pMsg)
 935 {
 936     if ( !ProcessMessage(pMsg) )
 937     {
 938         ::TranslateMessage((MSG *)pMsg);
 939         ::DispatchMessage((MSG *)pMsg);
 940     }
 941 }
 942
 943 /*
 944  * Keep trying to process messages until WM_QUIT
 945  * received.
 946  *
 947  * If there are messages to be processed, they will all be
 948  * processed and OnIdle will not be called.
 949  * When there are no more messages, OnIdle is called.
 950  * If OnIdle requests more time,
 951  * it will be repeatedly called so long as there are no pending messages.
 952  * A 'feature' of this is that once OnIdle has decided that no more processing
 953  * is required, then it won't get processing time until further messages
 954  * are processed (it'll sit in DoMessage).
 955  */
 956
 957 int wxApp::MainLoop()
 958 {
 959     m_keepGoing = TRUE;
 960
 961     while ( m_keepGoing )
 962     {
 963 #if wxUSE_THREADS
 964         wxMutexGuiLeaveOrEnter();
 965 #endif // wxUSE_THREADS
 966
 967         while ( !Pending() && ProcessIdle() )
 968             ;
 969
 970         // a message came or no more idle processing to do
 971         DoMessage();
 972     }
 973
 974     return s_currentMsg.wParam;
 975 }
 976
 977 // Returns TRUE if more time is needed.
 978 bool wxApp::ProcessIdle()
 979 {
 980     wxIdleEvent event;
 981     event.SetEventObject(this);
 982     ProcessEvent(event);
 983
 984     return event.MoreRequested();
 985 }
 986
 987 void wxApp::ExitMainLoop()
 988 {
 989     // VZ: why not ::PostQuitMessage()?
 990     m_keepGoing = FALSE;
 991 }
 992
 993 bool wxApp::Pending()
 994 {
 995     return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
 996 }
 997
 998 void wxApp::Dispatch()
 999 {
1000     DoMessage();
1001 }
1002
1003 /*
1004  * Give all windows a chance to preprocess
1005  * the message. Some may have accelerator tables, or have
1006  * MDI complications.
1007  */
1008
1009 bool wxApp::ProcessMessage(WXMSG *wxmsg)
1010 {
1011     MSG *msg = (MSG *)wxmsg;
1012     HWND hwnd = msg->hwnd;
1013     wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
1014
1015     // this may happen if the event occured in a standard modeless dialog (the
1016     // only example of which I know of is the find/replace dialog) - then call
1017     // IsDialogMessage() to make TAB navigation in it work
1018     if ( !wndThis )
1019     {
1020         // we need to find the dialog containing this control as
1021         // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
1022         // them) if we call it for the control itself
1023         while ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
1024         {
1025             hwnd = ::GetParent(hwnd);
1026         }
1027
1028         return hwnd && ::IsDialogMessage(hwnd, msg) != 0;
1029     }
1030
1031 #if wxUSE_TOOLTIPS
1032     // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
1033     // popup the tooltip bubbles
1034     if ( (msg->message == WM_MOUSEMOVE) )
1035     {
1036         wxToolTip *tt = wndThis->GetToolTip();
1037         if ( tt )
1038         {
1039             tt->RelayEvent(wxmsg);
1040         }
1041     }
1042 #endif // wxUSE_TOOLTIPS
1043
1044     // allow the window to prevent certain messages from being
1045     // translated/processed (this is currently used by wxTextCtrl to always
1046     // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
1047     if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
1048     {
1049         return FALSE;
1050     }
1051
1052     // try translations first: the accelerators override everything
1053     wxWindow *wnd;
1054
1055     for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
1056     {
1057         if ( wnd->MSWTranslateMessage(wxmsg))
1058             return TRUE;
1059
1060         // stop at first top level window, i.e. don't try to process the key
1061         // strokes originating in a dialog using the accelerators of the parent
1062         // frame - this doesn't make much sense
1063         if ( wnd->IsTopLevel() )
1064             break;
1065     }
1066
1067     // now try the other hooks (kbd navigation is handled here): we start from
1068     // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
1069     // called above
1070     for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
1071     {
1072         if ( wnd->MSWProcessMessage(wxmsg) )
1073             return TRUE;
1074     }
1075
1076     // no special preprocessing for this message, dispatch it normally
1077     return FALSE;
1078 }
1079
1080 void wxApp::OnIdle(wxIdleEvent& event)
1081 {
1082     static bool s_inOnIdle = FALSE;
1083
1084     // Avoid recursion (via ProcessEvent default case)
1085     if ( s_inOnIdle )
1086         return;
1087
1088     s_inOnIdle = TRUE;
1089
1090     // If there are pending events, we must process them: pending events
1091     // are either events to the threads other than main or events posted
1092     // with wxPostEvent() functions
1093     // GRG: I have moved this here so that all pending events are processed
1094     //   before starting to delete any objects. This behaves better (in
1095     //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
1096     //   behaviour. Changed Feb/2000 before 2.1.14
1097     ProcessPendingEvents();
1098
1099     // 'Garbage' collection of windows deleted with Close().
1100     DeletePendingObjects();
1101
1102 #if wxUSE_LOG
1103     // flush the logged messages if any
1104     wxLog::FlushActive();
1105 #endif // wxUSE_LOG
1106
1107 #if wxUSE_DC_CACHEING
1108     // automated DC cache management: clear the cached DCs and bitmap
1109     // if it's likely that the app has finished with them, that is, we
1110     // get an idle event and we're not dragging anything.
1111     if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
1112         wxDC::ClearCache();
1113 #endif // wxUSE_DC_CACHEING
1114
1115     // Send OnIdle events to all windows
1116     if ( SendIdleEvents() )
1117     {
1118         // SendIdleEvents() returns TRUE if at least one window requested more
1119         // idle events
1120         event.RequestMore(TRUE);
1121     }
1122
1123     s_inOnIdle = FALSE;
1124 }
1125
1126 // Send idle event to all top-level windows
1127 bool wxApp::SendIdleEvents()
1128 {
1129     bool needMore = FALSE;
1130
1131     wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
1132     while (node)
1133     {
1134         wxWindow* win = node->GetData();
1135         if (SendIdleEvents(win))
1136             needMore = TRUE;
1137         node = node->GetNext();
1138     }
1139
1140     return needMore;
1141 }
1142
1143 // Send idle event to window and all subwindows
1144 bool wxApp::SendIdleEvents(wxWindow* win)
1145 {
1146     bool needMore = FALSE;
1147
1148     wxIdleEvent event;
1149     event.SetEventObject(win);
1150     win->GetEventHandler()->ProcessEvent(event);
1151
1152     if (event.MoreRequested())
1153         needMore = TRUE;
1154
1155     wxNode* node = win->GetChildren().First();
1156     while (node)
1157     {
1158         wxWindow* win = (wxWindow*) node->Data();
1159         if (SendIdleEvents(win))
1160             needMore = TRUE;
1161
1162         node = node->Next();
1163     }
1164     return needMore;
1165 }
1166
1167 void wxApp::DeletePendingObjects()
1168 {
1169     wxNode *node = wxPendingDelete.First();
1170     while (node)
1171     {
1172         wxObject *obj = (wxObject *)node->Data();
1173
1174         delete obj;
1175
1176         if (wxPendingDelete.Member(obj))
1177             delete node;
1178
1179         // Deleting one object may have deleted other pending
1180         // objects, so start from beginning of list again.
1181         node = wxPendingDelete.First();
1182     }
1183 }
1184
1185 void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
1186 {
1187     if (GetTopWindow())
1188         GetTopWindow()->Close(TRUE);
1189 }
1190
1191 // Default behaviour: close the application with prompts. The
1192 // user can veto the close, and therefore the end session.
1193 void wxApp::OnQueryEndSession(wxCloseEvent& event)
1194 {
1195     if (GetTopWindow())
1196     {
1197         if (!GetTopWindow()->Close(!event.CanVeto()))
1198             event.Veto(TRUE);
1199     }
1200 }
1201
1202 /* static */
1203 int wxApp::GetComCtl32Version()
1204 {
1205 #ifdef __WXMICROWIN__
1206     return 0;
1207 #else
1208     // cache the result
1209     static int s_verComCtl32 = -1;
1210
1211     wxCRIT_SECT_DECLARE(csComCtl32);
1212     wxCRIT_SECT_LOCKER(lock, csComCtl32);
1213
1214     if ( s_verComCtl32 == -1 )
1215     {
1216         // initally assume no comctl32.dll at all
1217         s_verComCtl32 = 0;
1218
1219         // do we have it?
1220         HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));
1221
1222         // if so, then we can check for the version
1223         if ( hModuleComCtl32 )
1224         {
1225             // try to use DllGetVersion() if available in _headers_
1226             #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
1227                 DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
1228                     ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
1229                 if ( pfnDllGetVersion )
1230                 {
1231                     DLLVERSIONINFO dvi;
1232                     dvi.cbSize = sizeof(dvi);
1233
1234                     HRESULT hr = (*pfnDllGetVersion)(&dvi);
1235                     if ( FAILED(hr) )
1236                     {
1237                         wxLogApiError(_T("DllGetVersion"), hr);
1238                     }
1239                     else
1240                     {
1241                         // this is incompatible with _WIN32_IE values, but
1242                         // compatible with the other values returned by
1243                         // GetComCtl32Version()
1244                         s_verComCtl32 = 100*dvi.dwMajorVersion +
1245                                             dvi.dwMinorVersion;
1246                     }
1247                 }
1248             #endif
1249                 // DllGetVersion() unavailable either during compile or
1250                 // run-time, try to guess the version otherwise
1251                 if ( !s_verComCtl32 )
1252                 {
1253                     // InitCommonControlsEx is unique to 4.70 and later
1254                     FARPROC theProc = ::GetProcAddress
1255                                         (
1256                                          hModuleComCtl32,
1257                                          "InitCommonControlsEx"
1258                                         );
1259
1260                     if ( !theProc )
1261                     {
1262                         // not found, must be 4.00
1263                         s_verComCtl32 = 400;
1264                     }
1265                     else
1266                     {
1267                         // many symbols appeared in comctl32 4.71, could use
1268                         // any of them except may be DllInstall
1269                         theProc = ::GetProcAddress
1270                                     (
1271                                      hModuleComCtl32,
1272                                      "InitializeFlatSB"
1273                                     );
1274                         if ( !theProc )
1275                         {
1276                             // not found, must be 4.70
1277                             s_verComCtl32 = 470;
1278                         }
1279                         else
1280                         {
1281                             // found, must be 4.71
1282                             s_verComCtl32 = 471;
1283                         }
1284                     }
1285                 }
1286         }
1287     }
1288
1289     return s_verComCtl32;
1290 #endif
1291 }
1292
1293 void wxExit()
1294 {
1295     wxLogError(_("Fatal error: exiting"));
1296
1297     wxApp::CleanUp();
1298     exit(0);
1299 }
1300
1301 // Yield to incoming messages
1302
1303 bool wxApp::Yield(bool onlyIfNeeded)
1304 {
1305     // MT-FIXME
1306     static bool s_inYield = FALSE;
1307
1308     // disable log flushing from here because a call to wxYield() shouldn't
1309     // normally result in message boxes popping up &c
1310     wxLog::Suspend();
1311
1312     if ( s_inYield )
1313     {
1314         if ( !onlyIfNeeded )
1315         {
1316             wxFAIL_MSG( wxT("wxYield called recursively" ) );
1317         }
1318
1319         return FALSE;
1320     }
1321
1322     s_inYield = TRUE;
1323
1324     // we don't want to process WM_QUIT from here - it should be processed in
1325     // the main event loop in order to stop it
1326     MSG msg;
1327     while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
1328             msg.message != WM_QUIT )
1329     {
1330 #if wxUSE_THREADS
1331         wxMutexGuiLeaveOrEnter();
1332 #endif // wxUSE_THREADS
1333
1334         if ( !wxTheApp->DoMessage() )
1335             break;
1336     }
1337
1338     // if there are pending events, we must process them.
1339     ProcessPendingEvents();
1340
1341     // let the logs be flashed again
1342     wxLog::Resume();
1343
1344     s_inYield = FALSE;
1345
1346     return TRUE;
1347 }
1348
1349 bool wxHandleFatalExceptions(bool doit)
1350 {
1351 #if wxUSE_ON_FATAL_EXCEPTION
1352     // assume this can only be called from the main thread
1353     gs_handleExceptions = doit;
1354
1355     return TRUE;
1356 #else
1357     wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function"));
1358
1359     (void)doit;
1360     return FALSE;
1361 #endif
1362 }
1363
1364 //-----------------------------------------------------------------------------
1365 // wxWakeUpIdle
1366 //-----------------------------------------------------------------------------
1367
1368 void wxWakeUpIdle()
1369 {
1370     // Send the top window a dummy message so idle handler processing will
1371     // start up again.  Doing it this way ensures that the idle handler
1372     // wakes up in the right thread (see also wxWakeUpMainThread() which does
1373     // the same for the main app thread only)
1374     wxWindow *topWindow = wxTheApp->GetTopWindow();
1375     if ( topWindow )
1376     {
1377         if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
1378         {
1379             // should never happen
1380             wxLogLastError(wxT("PostMessage(WM_NULL)"));
1381         }
1382     }
1383 }
1384
1385 //-----------------------------------------------------------------------------
1386
1387 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
1388 // if in a separate file. So include it here to ensure it's linked.
1389 #if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
1390 #include "main.cpp"
1391 #endif