]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/app.cpp
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[wxWidgets.git] / src / msw / app.cpp
index af539d7bf018ce226cafa0e11e6f1cd12e33e002..72d8437e63cf690832c1acdc218c5fd79db1c2b0 100644 (file)
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
 #ifdef __GNUG__
-#pragma implementation "app.h"
+    #pragma implementation "app.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
-#define IN_WX_MAIN_CPP
 #include "wx/wxprec.h"
 
 #if defined(__BORLANDC__)
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/frame.h"
-#include "wx/app.h"
-#include "wx/utils.h"
-#include "wx/gdicmn.h"
-#include "wx/pen.h"
-#include "wx/brush.h"
-#include "wx/cursor.h"
-#include "wx/icon.h"
-#include "wx/palette.h"
-#include "wx/dc.h"
-#include "wx/dialog.h"
-#include "wx/msgdlg.h"
+    #include "wx/frame.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/gdicmn.h"
+    #include "wx/pen.h"
+    #include "wx/brush.h"
+    #include "wx/cursor.h"
+    #include "wx/icon.h"
+    #include "wx/palette.h"
+    #include "wx/dc.h"
+    #include "wx/dialog.h"
+    #include "wx/msgdlg.h"
+    #include "wx/intl.h"
+    #include "wx/dynarray.h"
+    #include "wx/wxchar.h"
+    #include "wx/icon.h"
 #endif
 
-#include "wx/msw/private.h"
-#include "wx/postscrp.h"
 #include "wx/log.h"
 #include "wx/module.h"
 
-#if USE_WX_RESOURCES
-#include "wx/resource.h"
+#include "wx/msw/private.h"
+
+#if wxUSE_THREADS
+    #include "wx/thread.h"
+
+    // define the array of MSG strutures
+    WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+    #include "wx/arrimpl.cpp"
+
+    WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
+
+#if wxUSE_WX_RESOURCES
+    #include "wx/resource.h"
 #endif
 
+#if wxUSE_TOOLTIPS
+    #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+// OLE is used for drag-and-drop, clipboard, OLE Automation..., but some
+// compilers don't support it (missing headers, libs, ...)
+#if defined(__GNUWIN32_OLD__) || defined(__SC__) || defined(__SALFORDC__)
+    #undef wxUSE_OLE
+
+    #define  wxUSE_OLE 0
+#endif // broken compilers
+
+#if wxUSE_OLE
+    #include <ole2.h>
+#endif
 
 #include <string.h>
+#include <ctype.h>
+
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__))
+    #include <commctrl.h>
+#endif
 
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
-#include <commctrl.h>
+#ifndef __WXMICROWIN__
+#include "wx/msw/msvcrt.h"
 #endif
 
-extern char *wxBuffer;
-extern char *wxOsVersion;
+// ----------------------------------------------------------------------------
+// conditional compilation
+// ----------------------------------------------------------------------------
+
+// The macro _WIN32_IE is defined by commctrl.h (unless it had already been
+// defined before) and shows us what common control features are available
+// during the compile time (it doesn't mean that they will be available during
+// the run-time, use GetComCtl32Version() to test for them!). The possible
+// values are:
+//
+// 0x0200     for comctl32.dll 4.00 shipped with Win95/NT 4.0
+// 0x0300                      4.70              IE 3.x
+// 0x0400                      4.71              IE 4.0
+// 0x0401                      4.72              IE 4.01 and Win98
+// 0x0500                      5.00              IE 5.x and NT 5.0 (Win2000)
+
+#ifndef _WIN32_IE
+    // minimal set of features by default
+    #define _WIN32_IE 0x0200
+#endif
+
+#if _WIN32_IE >= 0x0300 \
+    && !( defined(__MINGW32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+    #include <shlwapi.h>
+#endif
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxChar *wxBuffer;
 extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
+extern wxList WXDLLEXPORT wxPendingDelete;
+#ifndef __WXMICROWIN__
 extern void wxSetKeyboardHook(bool doIt);
-extern wxCursor *g_globalCursor;
+#endif
 
-HINSTANCE wxhInstance = 0;
-static MSG s_currentMsg;
+MSG s_currentMsg;
 wxApp *wxTheApp = NULL;
 
-char wxFrameClassName[]         = "wxFrameClass";
-char wxMDIFrameClassName[]      = "wxMDIFrameClass";
-char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass";
-char wxPanelClassName[]         = "wxPanelClass";
-char wxCanvasClassName[]        = "wxCanvasClass";
-
-HICON wxSTD_FRAME_ICON = NULL;
-HICON wxSTD_MDICHILDFRAME_ICON = NULL;
-HICON wxSTD_MDIPARENTFRAME_ICON = NULL;
-
-HICON wxDEFAULT_FRAME_ICON = NULL;
-HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL;
-HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL;
+// NB: all "NoRedraw" classes must have the same names as the "normal" classes
+//     with NR suffix - wxWindow::MSWCreate() supposes this
+const wxChar *wxFrameClassName         = wxT("wxFrameClass");
+const wxChar *wxFrameClassNameNoRedraw = wxT("wxFrameClassNR");
+const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
+const wxChar *wxPanelClassName         = wxT("wxPanelClass");
+const wxChar *wxPanelClassNameNR       = wxT("wxPanelClassNR");
+const wxChar *wxCanvasClassName        = wxT("wxCanvasClass");
+const wxChar *wxCanvasClassNameNR      = wxT("wxCanvasClassNR");
+
+HICON wxSTD_FRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HICON wxDEFAULT_FRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL;
+HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL;
+
+HBRUSH wxDisableButtonBrush = (HBRUSH) 0;
+
+LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+
+// FIXME wxUSE_ON_FATAL_EXCEPTION is only supported for VC++ now because it
+//       needs compiler support for Win32 SEH. Others (especially Borland)
+//       probably have it too, but I'm not sure about how it works
+// JACS: get 'Cannot use __try in functions that require unwinding
+// in Unicode mode, so disabling.
+#if !defined(__VISUALC__) || defined(__WIN16__) || defined(UNICODE)
+    #undef wxUSE_ON_FATAL_EXCEPTION
+    #define wxUSE_ON_FATAL_EXCEPTION 0
+#endif // VC++
+
+#if wxUSE_ON_FATAL_EXCEPTION
+    static bool gs_handleExceptions = FALSE;
+#endif
 
-HBRUSH wxDisableButtonBrush = 0;
+// ===========================================================================
+// implementation
+// ===========================================================================
 
-LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
+// ---------------------------------------------------------------------------
+// wxApp
+// ---------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
     EVT_IDLE(wxApp::OnIdle)
+    EVT_END_SESSION(wxApp::OnEndSession)
+    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 END_EVENT_TABLE()
-#endif
 
-long wxApp::sm_lastMessageTime = 0;
+//// Initialize
+bool wxApp::Initialize()
+{
+    // the first thing to do is to check if we're trying to run an Unicode
+    // program under Win9x - if so, abort right now as it has no chance to
+    // work
+#if wxUSE_UNICODE
+    if ( wxGetOsVersion() != wxWINDOWS_NT )
+    {
+        // note that we can use MessageBoxW() as it's implemented even under
+        // Win9x - OTOH, we can't use wxGetTranslation() because the file APIs
+        // used by wxLocale are not
+        ::MessageBox
+        (
+         NULL,
+         _T("This program uses Unicode and requires Windows NT/2000.\nProgram aborted."),
+         _T("wxWindows Fatal Error"),
+         MB_ICONERROR | MB_OK
+        );
+
+        return FALSE;
+    }
+#endif // wxUSE_UNICODE
 
-#ifdef __WIN95__
-static HINSTANCE gs_hRichEdit = NULL;
+    // Some people may wish to use this, but
+    // probably it shouldn't be here by default.
+#ifdef __WXDEBUG__
+    //    wxRedirectIOToConsole();
 #endif
 
-bool wxApp::Initialize(WXHINSTANCE instance)
-{
-  HINSTANCE hInstance = (HINSTANCE) instance;
-
-  CommonInit();
+    wxBuffer = new wxChar[1500]; // FIXME
 
-#if defined(__WIN95__)
-  InitCommonControls();
-  gs_hRichEdit = LoadLibrary("RICHED32.DLL");
+    wxClassInfo::InitializeClasses();
 
-  if (gs_hRichEdit == NULL)
-  {
-    wxMessageBox("Could not initialise Rich Edit DLL");
-  }
+#if wxUSE_THREADS
+    wxPendingEventsLocker = new wxCriticalSection;
 #endif
 
-#if     defined(WX_DRAG_DROP)
-  // we need to initialize OLE library
-  if ( FAILED(::OleInitialize(NULL)) )
-    wxFatalError(_("Cannot initialize OLE"));
-#endif
+    wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
+    wxTheColourDatabase->Initialize();
 
-#if CTL3D
-  if (!Ctl3dRegister(hInstance))
-    wxFatalError("Cannot register CTL3D");
+    wxInitializeStockLists();
+    wxInitializeStockObjects();
 
-  Ctl3dAutoSubclass(hInstance);
+#if wxUSE_WX_RESOURCES
+    wxInitializeResourceSystem();
 #endif
 
-  wxSTD_FRAME_ICON = LoadIcon(hInstance, "wxSTD_FRAME");
-  wxSTD_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDIPARENTFRAME");
-  wxSTD_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxSTD_MDICHILDFRAME");
+    wxBitmap::InitStandardHandlers();
+
+#if defined(__WIN95__) && !defined(__WXMICROWIN__)
+    InitCommonControls();
+#endif // __WIN95__
+
+#if wxUSE_OLE || wxUSE_DRAG_AND_DROP
+
+#ifdef __WIN16__
+    // for OLE, enlarge message queue to be as large as possible
+    int iMsg = 96;
+    while (!SetMessageQueue(iMsg) && (iMsg -= 8))
+        ;
+#endif // Win16
+
+    // we need to initialize OLE library
+    if ( FAILED(::OleInitialize(NULL)) )
+        wxLogError(_("Cannot initialize OLE"));
+
+#endif // wxUSE_OLE
+
+#if wxUSE_CTL3D
+    if (!Ctl3dRegister(wxhInstance))
+        wxLogError(wxT("Cannot register CTL3D"));
+
+    Ctl3dAutoSubclass(wxhInstance);
+#endif // wxUSE_CTL3D
+
+    // VZ: these icons are not in wx.rc anyhow (but should they?)!
+#if 0
+    wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME"));
+    wxSTD_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDIPARENTFRAME"));
+    wxSTD_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_MDICHILDFRAME"));
 
-  wxDEFAULT_FRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_FRAME");
-  wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDIPARENTFRAME");
-  wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(hInstance, "wxDEFAULT_MDICHILDFRAME");
+    wxDEFAULT_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_FRAME"));
+    wxDEFAULT_MDIPARENTFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDIPARENTFRAME"));
+    wxDEFAULT_MDICHILDFRAME_ICON = LoadIcon(wxhInstance, wxT("wxDEFAULT_MDICHILDFRAME"));
+#endif // 0
 
-  RegisterWindowClasses();
+    RegisterWindowClasses();
 
-  // Create the brush for disabling bitmap buttons
+#ifndef __WXMICROWIN__
+    // Create the brush for disabling bitmap buttons
 
-  LOGBRUSH lb ;
-  lb.lbStyle = BS_PATTERN;
-  lb.lbHatch = (int)LoadBitmap( hInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
-  wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
-  ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+    LOGBRUSH lb;
+    lb.lbStyle = BS_PATTERN;
+    lb.lbHatch = (int)LoadBitmap( wxhInstance, wxT("wxDISABLE_BUTTON_BITMAP") );
+    if ( lb.lbHatch )
+    {
+        wxDisableButtonBrush = ::CreateBrushIndirect( & lb );
+        ::DeleteObject( (HGDIOBJ)lb.lbHatch );
+    }
+    //else: wxWindows resources are probably not linked in
+#endif
 
-#if USE_PENWINDOWS
-  wxRegisterPenWin();
+#if wxUSE_PENWINDOWS
+    wxRegisterPenWin();
 #endif
 
-  wxWinHandleList = new wxList(wxKEY_INTEGER);
+    wxWinHandleList = new wxList(wxKEY_INTEGER);
 
-  // This is to foil optimizations in Visual C++ that
-  // throw out dummy.obj.
-#if (_MSC_VER >= 800) && !defined(WXMAKINGDLL)
-  extern char wxDummyChar;
-  if (wxDummyChar) wxDummyChar++;
+    // This is to foil optimizations in Visual C++ that throw out dummy.obj.
+    // PLEASE DO NOT ALTER THIS.
+#if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL)
+    extern char wxDummyChar;
+    if (wxDummyChar) wxDummyChar++;
 #endif
-  wxSetKeyboardHook(TRUE);
 
-  wxModule::RegisterModules();
-  if (!wxModule::InitializeModules())
-    return FALSE;
-  return TRUE;
+#ifndef __WXMICROWIN__
+    wxSetKeyboardHook(TRUE);
+#endif
+
+    wxModule::RegisterModules();
+    if (!wxModule::InitializeModules())
+        return FALSE;
+    return TRUE;
 }
 
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+
+// TODO we should only register classes really used by the app. For this it
+//      would be enough to just delay the class registration until an attempt
+//      to create a window of this class is made.
 bool wxApp::RegisterWindowClasses()
 {
-///////////////////////////////////////////////////////////////////////
-// Register the frame window class.
-  WNDCLASS wndclass;   // Structure used to register Windows class.
-
-  wndclass.style         = CS_HREDRAW | CS_VREDRAW;
-  wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
-  wndclass.cbClsExtra    = 0;
-  wndclass.cbWndExtra    = sizeof( DWORD ); // was 4
-  wndclass.hInstance     = wxhInstance;
-  wndclass.hIcon         = NULL;        // wxSTD_FRAME_ICON;
-  wndclass.hCursor       = LoadCursor( NULL, IDC_ARROW );
-  wndclass.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
-//  wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
-  wndclass.lpszMenuName  = NULL;
-#ifdef _MULTIPLE_INSTANCES
-  sprintf( wxFrameClassName,"wxFrameClass%d", hInstance );
-#endif
-  wndclass.lpszClassName = wxFrameClassName;
-
-  if (!RegisterClass( &wndclass ))
-  {
-    // wxFatalError("Can't register Frame Window class");
-  }
-
-///////////////////////////////////////////////////////////////////////
-// Register the MDI frame window class.
-  WNDCLASS wndclass1;   // Structure used to register Windows class.
-
-  wndclass1.style         = CS_HREDRAW | CS_VREDRAW;
-  wndclass1.lpfnWndProc   = (WNDPROC)wxWndProc;
-  wndclass1.cbClsExtra    = 0;
-  wndclass1.cbWndExtra    = sizeof( DWORD ); // was 4
-  wndclass1.hInstance     = wxhInstance;
-  wndclass1.hIcon         = NULL; // wxSTD_MDIPARENTFRAME_ICON;
-  wndclass1.hCursor       = LoadCursor( NULL, IDC_ARROW );
-//  wndclass1.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
-  wndclass1.hbrBackground = NULL;
-  wndclass1.lpszMenuName  = NULL;
-
-  wndclass1.lpszClassName = wxMDIFrameClassName;
-  if (!RegisterClass( &wndclass1 ))
-  {
-//    wxFatalError("Can't register MDI Frame window class");
-//     return FALSE;
-  }
-
-///////////////////////////////////////////////////////////////////////
-// Register the MDI child frame window class.
-  WNDCLASS wndclass4;   // Structure used to register Windows class.
-
-  wndclass4.style         = CS_HREDRAW | CS_VREDRAW;
-  wndclass4.lpfnWndProc   = (WNDPROC)wxWndProc;
-  wndclass4.cbClsExtra    = 0;
-  wndclass4.cbWndExtra    = sizeof( DWORD ); // was 4
-  wndclass4.hInstance     = wxhInstance;
-  wndclass4.hIcon         = NULL;       // wxSTD_MDICHILDFRAME_ICON;
-  wndclass4.hCursor       = LoadCursor( NULL, IDC_ARROW );
-  // TODO: perhaps this should be NULL so that Windows doesn't
-  // paint the background itself (would OnEraseBackground duplicate
-  // this?)
-  wndclass4.hbrBackground =  (HBRUSH)(COLOR_WINDOW+1) ;
-//  wndclass4.hbrBackground = NULL;
-  wndclass4.lpszMenuName  = NULL;
-  wndclass4.lpszClassName = wxMDIChildFrameClassName;
-
-  if (!RegisterClass( &wndclass4 ))
-  {
-//   wxFatalError("Can't register MDI child frame window class");
-//   return FALSE;
-  }
-
-///////////////////////////////////////////////////////////////////////
-// Register the panel window class.
-  WNDCLASS wndclass2;   // Structure used to register Windows class.
-  memset(&wndclass2, 0, sizeof(WNDCLASS));   // start with NULL defaults
-  // Use CS_OWNDC to avoid messing about restoring the context
-  // for every graphic operation.
-  wndclass2.style         = CS_HREDRAW | CS_VREDRAW;
-  wndclass2.lpfnWndProc   = (WNDPROC)wxWndProc;
-  wndclass2.cbClsExtra    = 0;
-  wndclass2.cbWndExtra    = sizeof( DWORD ); // was 4
-  wndclass2.hInstance     = wxhInstance;
-  wndclass2.hIcon         = NULL;
-  wndclass2.hCursor       = NULL;
-//  wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
-  wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
-  wndclass2.lpszMenuName  = NULL;
-  wndclass2.lpszClassName = wxPanelClassName;
-  if (!RegisterClass( &wndclass2 ))
-  {
-//   wxFatalError("Can't register Panel Window class");
-//   return FALSE;
-  }
-
-///////////////////////////////////////////////////////////////////////
-// Register the canvas and textsubwindow class name
-  WNDCLASS wndclass3;   // Structure used to register Windows class.
-  memset(&wndclass3, 0, sizeof(WNDCLASS));   // start with NULL defaults
-  // Use CS_OWNDC to avoid messing about restoring the context
-  // for every graphic operation.
-//  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
-  // wxWin 2.0
-  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
-  wndclass3.lpfnWndProc   = (WNDPROC)wxWndProc;
-  wndclass3.cbClsExtra    = 0;
-  wndclass3.cbWndExtra    = sizeof( DWORD ); // was 4
-  wndclass3.hInstance     = wxhInstance;
-  wndclass3.hIcon         = NULL;
-  wndclass3.hCursor       = NULL;
-//  wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
-  wndclass3.hbrBackground = NULL;
-  wndclass3.lpszMenuName  = NULL;
-  wndclass3.lpszClassName = wxCanvasClassName;
-  if (!RegisterClass( &wndclass3))
-  {
-//   wxFatalError("Can't register Canvas class");
-//   return FALSE;
-  }
-
-  return TRUE;
-}
-
-// Cleans up any wxWindows internal structures left lying around
-void wxApp::CleanUp()
-{
-  wxModule::CleanUpModules();
+    WNDCLASS wndclass;
+
+    // for each class we register one with CS_(V|H)REDRAW style and one
+    // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag
+    static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
+    static const long styleNoRedraw = CS_DBLCLKS;
+
+    // the fields which are common to all classes
+    wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
+    wndclass.cbClsExtra    = 0;
+    wndclass.cbWndExtra    = sizeof( DWORD ); // VZ: what is this DWORD used for?
+    wndclass.hInstance     = wxhInstance;
+    wndclass.hIcon         = (HICON) NULL;
+    wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);
+    wndclass.lpszMenuName  = NULL;
+
+    // Register the frame window class.
+    wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);
+    wndclass.lpszClassName = wxFrameClassName;
+    wndclass.style         = styleNormal;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(frame)"));
 
-  CommonCleanUp();
+        return FALSE;
+    }
 
-  wxSetKeyboardHook(FALSE);
+    // "no redraw" frame
+    wndclass.lpszClassName = wxFrameClassNameNoRedraw;
+    wndclass.style         = styleNoRedraw;
 
-#ifdef __WIN95__
-  if (gs_hRichEdit != NULL)
-    FreeLibrary(gs_hRichEdit);
-#endif
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(no redraw frame)"));
 
-#if USE_PENWINDOWS
-  wxCleanUpPenWin();
-#endif
+        return FALSE;
+    }
 
-  if (wxSTD_FRAME_ICON)
-    DestroyIcon(wxSTD_FRAME_ICON);
-  if (wxSTD_MDICHILDFRAME_ICON)
-    DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
-  if (wxSTD_MDIPARENTFRAME_ICON)
-    DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
+    // Register the MDI frame window class.
+    wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
+    wndclass.lpszClassName = wxMDIFrameClassName;
+    wndclass.style         = styleNormal;
 
-  if (wxDEFAULT_FRAME_ICON)
-    DestroyIcon(wxDEFAULT_FRAME_ICON);
-  if (wxDEFAULT_MDICHILDFRAME_ICON)
-    DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
-  if (wxDEFAULT_MDIPARENTFRAME_ICON)
-    DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(MDI parent)"));
 
-  if ( wxDisableButtonBrush )
-    ::DeleteObject( wxDisableButtonBrush ) ;
+        return FALSE;
+    }
 
-#if     defined(WX_DRAG_DROP)
-  ::OleUninitialize();
-#endif
+    // "no redraw" MDI frame
+    wndclass.lpszClassName = wxMDIFrameClassNameNoRedraw;
+    wndclass.style         = styleNoRedraw;
 
-#if CTL3D
-  Ctl3dUnregister(wxhInstance);
-#endif
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)"));
+
+        return FALSE;
+    }
+
+    // Register the MDI child frame window class.
+    wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+    wndclass.lpszClassName = wxMDIChildFrameClassName;
+    wndclass.style         = styleNormal;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(MDI child)"));
+
+        return FALSE;
+    }
+
+    // "no redraw" MDI child frame
+    wndclass.lpszClassName = wxMDIChildFrameClassNameNoRedraw;
+    wndclass.style         = styleNoRedraw;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(no redraw MDI child)"));
+
+        return FALSE;
+    }
+
+    // Register the panel window class.
+    wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
+    wndclass.lpszClassName = wxPanelClassName;
+    wndclass.style         = styleNormal;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(panel)"));
+
+        return FALSE;
+    }
+
+    // Register the no redraw panel window class.
+    wndclass.lpszClassName = wxPanelClassNameNR;
+    wndclass.style         = styleNoRedraw;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(no redraw panel)"));
+
+        return FALSE;
+    }
+
+    // Register the canvas and textsubwindow class name
+    wndclass.hbrBackground = (HBRUSH)NULL;
+    wndclass.lpszClassName = wxCanvasClassName;
+
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(canvas)"));
+
+        return FALSE;
+    }
+
+    wndclass.lpszClassName = wxCanvasClassNameNR;
+    wndclass.style         = styleNoRedraw;
+    if ( !RegisterClass(&wndclass) )
+    {
+        wxLogLastError(wxT("RegisterClass(no redraw canvas)"));
 
-  if (wxWinHandleList)
-    delete wxWinHandleList ;
+        return FALSE;
+    }
 
-  // do it as the very last thing because everything else can log messages
-  delete wxLog::SetActiveTarget(NULL);
+    return TRUE;
 }
 
-void wxApp::CommonInit()
-{
-#ifdef __WXMSW__
-  wxBuffer = new char[1500];
-#else
-  wxBuffer = new char[BUFSIZ + 512];
-#endif
+// ---------------------------------------------------------------------------
+// Convert Windows to argc, argv style
+// ---------------------------------------------------------------------------
 
-  wxClassInfo::InitializeClasses();
+void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
+{
+    wxStringList args;
 
-#if USE_RESOURCES
-  wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
-#endif
+    wxString cmdLine(lpCmdLine);
+    int count = 0;
 
-  wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
-  wxTheColourDatabase->Initialize();
+    // Get application name
+    wxChar name[260]; // 260 is MAX_PATH value from windef.h
+    ::GetModuleFileName(wxhInstance, name, WXSIZEOF(name));
 
-  wxInitializeStockLists();
-  wxInitializeStockObjects();
+    args.Add(name);
+    count++;
 
-#if USE_WX_RESOURCES
-  wxInitializeResourceSystem();
-#endif
+    wxStrcpy(name, wxFileNameFromPath(name));
+    wxStripExtension(name);
+    wxTheApp->SetAppName(name);
 
-  // For PostScript printing
-#if USE_POSTSCRIPT
-  wxInitializePrintSetupData();
-  wxThePrintPaperDatabase = new wxPrintPaperDatabase;
-  wxThePrintPaperDatabase->CreateDatabase();
-#endif
+    // Break up string
+    // Treat strings enclosed in double-quotes as single arguments
+    int i = 0;
+    int len = cmdLine.Length();
+    while (i < len)
+    {
+        // Skip whitespace
+        while ((i < len) && wxIsspace(cmdLine.GetChar(i)))
+            i ++;
 
-  wxBitmap::InitStandardHandlers();
+        if (i < len)
+        {
+            if (cmdLine.GetChar(i) == wxT('"')) // We found the start of a string
+            {
+                i ++;
+                int first = i;
+                while ((i < len) && (cmdLine.GetChar(i) != wxT('"')))
+                    i ++;
+
+                wxString arg(cmdLine.Mid(first, (i - first)));
+
+                args.Add(arg);
+                count ++;
+
+                if (i < len)
+                    i ++; // Skip past 2nd quote
+            }
+            else // Unquoted argument
+            {
+                int first = i;
+                while ((i < len) && !wxIsspace(cmdLine.GetChar(i)))
+                    i ++;
+
+                wxString arg(cmdLine.Mid(first, (i - first)));
+
+                args.Add(arg);
+                count ++;
+            }
+        }
+    }
 
-  g_globalCursor = new wxCursor;
+    wxTheApp->argv = new wxChar*[count + 1];
+    for (i = 0; i < count; i++)
+    {
+        wxString arg(args[i]);
+        wxTheApp->argv[i] = copystring((const wxChar*)arg);
+    }
+    wxTheApp->argv[count] = NULL; // argv[] is a NULL-terminated list
+    wxTheApp->argc = count;
 }
 
-void wxApp::CommonCleanUp()
+//// Cleans up any wxWindows internal structures left lying around
+
+void wxApp::CleanUp()
 {
-#if USE_WX_RESOURCES
-  wxCleanUpResourceSystem();
+    //// COMMON CLEANUP
+
+#if wxUSE_LOG
+    // flush the logged messages if any and install a 'safer' log target: the
+    // default one (wxLogGui) can't be used after the resources are freed just
+    // below and the user suppliedo ne might be even more unsafe (using any
+    // wxWindows GUI function is unsafe starting from now)
+    wxLog::DontCreateOnDemand();
+
+    // this will flush the old messages if any
+    delete wxLog::SetActiveTarget(new wxLogStderr);
+#endif // wxUSE_LOG
+
+    // One last chance for pending objects to be cleaned up
+    wxTheApp->DeletePendingObjects();
+
+    wxModule::CleanUpModules();
+
+#if wxUSE_WX_RESOURCES
+    wxCleanUpResourceSystem();
+
+    //  wxDefaultResourceTable->ClearTable();
+#endif
+
+    wxDeleteStockObjects();
+
+    // Destroy all GDI lists, etc.
+    wxDeleteStockLists();
+
+    delete wxTheColourDatabase;
+    wxTheColourDatabase = NULL;
+
+    wxBitmap::CleanUpHandlers();
+
+    delete[] wxBuffer;
+    wxBuffer = NULL;
+
+    //// WINDOWS-SPECIFIC CLEANUP
 
-//  wxDefaultResourceTable->ClearTable();
+#ifndef __WXMICROWIN__
+    wxSetKeyboardHook(FALSE);
 #endif
-  // Indicate that the cursor can be freed,
-  // so that cursor won't be deleted by deleting
-  // the bitmap list before g_globalCursor goes out
-  // of scope (double deletion of the cursor).
-  wxSetCursor(wxNullCursor);
-  delete g_globalCursor;
 
-  wxDeleteStockObjects() ;
+#if wxUSE_PENWINDOWS
+    wxCleanUpPenWin();
+#endif
+
+    if (wxSTD_FRAME_ICON)
+        DestroyIcon(wxSTD_FRAME_ICON);
+    if (wxSTD_MDICHILDFRAME_ICON)
+        DestroyIcon(wxSTD_MDICHILDFRAME_ICON);
+    if (wxSTD_MDIPARENTFRAME_ICON)
+        DestroyIcon(wxSTD_MDIPARENTFRAME_ICON);
+
+    if (wxDEFAULT_FRAME_ICON)
+        DestroyIcon(wxDEFAULT_FRAME_ICON);
+    if (wxDEFAULT_MDICHILDFRAME_ICON)
+        DestroyIcon(wxDEFAULT_MDICHILDFRAME_ICON);
+    if (wxDEFAULT_MDIPARENTFRAME_ICON)
+        DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
+
+    if ( wxDisableButtonBrush )
+        ::DeleteObject( wxDisableButtonBrush );
+
+#if wxUSE_OLE
+    ::OleUninitialize();
+#endif
+
+#if wxUSE_CTL3D
+    Ctl3dUnregister(wxhInstance);
+#endif
 
-  // Destroy all GDI lists, etc.
-  delete wxTheBrushList;
-  wxTheBrushList = NULL;
+    if (wxWinHandleList)
+        delete wxWinHandleList;
 
-  delete wxThePenList;
-  wxThePenList = NULL;
+    // GL: I'm annoyed ... I don't know where to put this and I don't want to
+    // create a module for that as it's part of the core.
+    delete wxPendingEvents;
 
-  delete wxTheFontList;
-  wxTheFontList = NULL;
+#if wxUSE_THREADS
+    delete wxPendingEventsLocker;
+    // If we don't do the following, we get an apparent memory leak
+#if wxUSE_VALIDATORS
+    ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
 
-  delete wxTheBitmapList;
-  wxTheBitmapList = NULL;
+    wxClassInfo::CleanUpClasses();
 
-  delete wxTheColourDatabase;
-  wxTheColourDatabase = NULL;
+    delete wxTheApp;
+    wxTheApp = NULL;
 
-#if USE_POSTSCRIPT
-  wxInitializePrintSetupData(FALSE);
-  delete wxThePrintPaperDatabase;
-  wxThePrintPaperDatabase = NULL;
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    // At this point we want to check if there are any memory
+    // blocks that aren't part of the wxDebugContext itself,
+    // as a special case. Then when dumping we need to ignore
+    // wxDebugContext, too.
+    if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+    {
+        wxLogMessage(wxT("There were memory leaks."));
+        wxDebugContext::Dump();
+        wxDebugContext::PrintStatistics();
+    }
+    //  wxDebugContext::SetStream(NULL, NULL);
 #endif
 
-  wxBitmap::CleanUpHandlers();
+#if wxUSE_LOG
+    // do it as the very last thing because everything else can log messages
+    delete wxLog::SetActiveTarget(NULL);
+#endif // wxUSE_LOG
+}
+
+//----------------------------------------------------------------------
+// Entry point helpers, used by wxPython
+//----------------------------------------------------------------------
+
+int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) )
+{
+    return wxApp::Initialize();
+}
+
+int WXDLLEXPORT wxEntryInitGui()
+{
+    return wxTheApp->OnInitGui();
+}
 
-  delete[] wxBuffer;
-  wxBuffer = NULL;
+void WXDLLEXPORT wxEntryCleanup()
+{
+    wxApp::CleanUp();
 }
 
+
 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 
-// Main wxWindows entry point
+// temporarily disable this warning which would be generated in release builds
+// because of __try
+#ifdef __VISUALC__
+    #pragma warning(disable: 4715) // not all control paths return a value
+#endif // Visual C++
 
-int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *m_lpCmdLine,
-                    int nCmdShow, bool enterLoop)
+//----------------------------------------------------------------------
+// Main wxWindows entry point
+//----------------------------------------------------------------------
+int wxEntry(WXHINSTANCE hInstance,
+            WXHINSTANCE WXUNUSED(hPrevInstance),
+            char *lpCmdLine,
+            int nCmdShow,
+            bool enterLoop)
 {
-  wxhInstance = (HINSTANCE) hInstance;
+    // do check for memory leaks on program exit
+    // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free
+    //  deallocated memory which may be used to simulate low-memory condition)
+#ifndef __WXMICROWIN__
+    wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+#endif
 
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+#ifdef __MWERKS__
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    // This seems to be necessary since there are 'rogue'
+    // objects present at this point (perhaps global objects?)
+    // Setting a checkpoint will ignore them as far as the
+    // memory checking facility is concerned.
+    // Of course you may argue that memory allocated in globals should be
+    // checked, but this is a reasonable compromise.
+    wxDebugContext::SetCheckpoint();
+#endif
+#endif
 
-#if !defined(_WINDLL)
-  streambuf* sBuf = new wxDebugStreamBuf;
-#else
-  streambuf* sBuf = NULL;
+    // take everything into a try-except block to be able to call
+    // OnFatalException() if necessary
+#if wxUSE_ON_FATAL_EXCEPTION
+    __try {
 #endif
-  ostream* oStr = new ostream(sBuf) ;
-  wxDebugContext::SetStream(oStr, sBuf);
+        wxhInstance = (HINSTANCE) hInstance;
+
+        if (!wxEntryStart(0,0))
+            return 0;
+
+        // create the application object or ensure that one already exists
+        if (!wxTheApp)
+        {
+            // The app may have declared a global application object, but we recommend
+            // the IMPLEMENT_APP macro is used instead, which sets an initializer
+            // function for delayed, dynamic app object construction.
+            wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
+                         wxT("No initializer - use IMPLEMENT_APP macro.") );
+
+            wxTheApp = (wxApp*) (*wxApp::GetInitializerFunction()) ();
+        }
+
+        wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
+
+        // save the WinMain() parameters
+        wxTheApp->ConvertToStandardCommandArgs(lpCmdLine);
+        wxTheApp->m_nCmdShow = nCmdShow;
 
+        // We really don't want timestamps by default, because it means
+        // we can't simply double-click on the error message and get to that
+        // line in the source. So VC++ at least, let's have a sensible default.
+#ifdef __VISUALC__
+        wxLog::SetTimestamp(NULL);
 #endif
 
-  if (!wxApp::Initialize((WXHINSTANCE) wxhInstance))
-    return 0;
+        int retValue = 0;
+
+        // it is common to create a modal dialog in OnInit() (to ask/notify the
+        // user about something) but it wouldn't work if we don't change the
+        // "exit on delete last frame" flag here as when this dialog is
+        // deleted, the app would terminate (it was the last top level window
+        // as the main frame wasn't created yet!), so disable this behaviour
+        // temproarily
+        bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
+        wxTheApp->SetExitOnFrameDelete(FALSE);
+
+        // init the app
+        retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
+
+        // restore the old flag value
+        wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+
+        if ( retValue == 0 )
+        {
+            if ( enterLoop )
+            {
+                // run the main loop
+                retValue = wxTheApp->OnRun();
+            }
+            else
+            {
+                // we want to initialize, but not run or exit immediately.
+                return 1;
+            }
+        }
+        //else: app initialization failed, so we skipped OnRun()
+
+        wxWindow *topWindow = wxTheApp->GetTopWindow();
+        if ( topWindow )
+        {
+            // Forcibly delete the window.
+            if ( topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+                    topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+            {
+                topWindow->Close(TRUE);
+                wxTheApp->DeletePendingObjects();
+            }
+            else
+            {
+                delete topWindow;
+                wxTheApp->SetTopWindow(NULL);
+            }
+        }
 
-  // The app may have declared a global application object, but we recommend
-  // the IMPLEMENT_APP macro is used instead, which sets an initializer function
-  // for delayed, dynamic app object construction.
-  if (!wxTheApp)
-  {
-       if (!wxApp::GetInitializerFunction())
-       {
-       MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
-               return 0;
-       }
-
-       wxTheApp = (* wxApp::GetInitializerFunction()) ();
-  }
-
-  if (!wxTheApp) {
-    MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
-    return 0;
-  }
-
-  // Split command line into tokens, as in usual main(argc, argv)
-  char **command = new char*[50];
-
-  int count = 0;
-  char *buf = new char[strlen(m_lpCmdLine) + 1];
-
-  // Hangs around until end of app. in case
-  // user carries pointers to the tokens
-
-  /* Model independent strcpy */
-  int i;
-  for (i = 0; (buf[i] = m_lpCmdLine[i]) != 0; i++)
-  {
-    /* loop */;
-  }
-
-  // Get application name
-  char name[200];
-  ::GetModuleFileName(wxhInstance, name, 199);
-
-  // Is it only 16-bit Borland that already copies the program name
-  // to the first argv index?
-#if !defined(__GNUWIN32__)
-// #if ! (defined(__BORLANDC__) && !defined(__WIN32__))
-  command[count++] = copystring(name);
-// #endif
-#endif
-
-  strcpy(name, wxFileNameFromPath(name));
-  wxStripExtension(name);
-  wxTheApp->SetAppName(name);
-
-  /* Break up string */
-  // Treat strings enclosed in double-quotes as single arguments
-    char* str = buf;
-       while (*str)
-       {
-               while (*str && *str <= ' ') str++;      // skip whitespace
-               if (*str == '"')
-               {
-                       str++;
-                       command[count++] = str;
-                       while (*str && *str != '"') str++;
-               }
-               else if (*str)
-               {
-                       command[count++] = str;
-                       while (*str && *str > ' ') str++;
-               }
-               if (*str) *str++ = '\0';
-       }
-  command[count] = NULL; /* argv[] is NULL terminated list! */
-
-  wxTheApp->argc = count;
-  wxTheApp->argv = command;
-  wxTheApp->m_nCmdShow = nCmdShow;
-
-  // GUI-specific initialisation. In fact on Windows we don't have any,
-  // but this call is provided for compatibility across platforms.
-  wxTheApp->OnInitGui() ;
-
-  if (!wxTheApp->OnInit())
-  {
-       wxTheApp->DeletePendingObjects();
         wxTheApp->OnExit();
-        wxApp::CleanUp();
-
-        delete wxTheApp;
-        wxTheApp = NULL;
-
-        delete [] buf ;
-
-        // TODO: This should really be cleaned up in ~wxApp
-        delete [] command[0] ;
-        delete [] command ;
-           return 0;
-  }
-
-  if (!enterLoop)
-       return 0;
-
-  int retValue = 1;
-
-/* New behaviour - leave it to the app to show the top window
-  if (wxTheApp->GetTopWindow()) {
-    // show the toplevel frame, only if we are not iconized (from MS-Windows)
-    if(wxTheApp->GetShowFrameOnInit() && (nCmdShow!=SW_HIDE)) wxTheApp->GetTopWindow()->Show(TRUE);
-  }
-*/
-
-  retValue = wxTheApp->OnRun();
-
-  if (wxTheApp->GetTopWindow())
-  {
-    // Forcibly delete the window.
-       if (wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
-           wxTheApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog)))
-       {
-       wxTheApp->GetTopWindow()->Close(TRUE);
-       wxTheApp->DeletePendingObjects();
-       }
-       else
-       {
-               delete wxTheApp->GetTopWindow();
-               wxTheApp->SetTopWindow(NULL);
-       }
-  }
-
-  wxTheApp->OnExit();
-  wxApp::CleanUp();
-
-  delete wxTheApp;
-  wxTheApp = NULL;
-
-  delete [] buf ;
-  delete [] command[0] ;
-  delete [] command ;
-
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
-  // At this point we want to check if there are any memory
-  // blocks that aren't part of the wxDebugContext itself,
-  // as a special case. Then when dumping we need to ignore
-  // wxDebugContext, too.
-  if (wxDebugContext::CountObjectsLeft() > 0)
-  {
-    wxTrace("There were memory leaks.\n");
-    wxDebugContext::Dump();
-    wxDebugContext::PrintStatistics();
-  }
-  wxDebugContext::SetStream(NULL, NULL);
-#endif
-
-  return retValue;
+
+        wxEntryCleanup();
+
+        return retValue;
+
+#if wxUSE_ON_FATAL_EXCEPTION
+    }
+    __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER
+                                   : EXCEPTION_CONTINUE_SEARCH ) {
+        if ( wxTheApp )
+        {
+           // give the user a chance to do something special about this
+           wxTheApp->OnFatalException();
+        }
+
+        ::ExitProcess(3); // the same exit code as abort()
+
+        // NOTREACHED
+    }
+#endif // wxUSE_ON_FATAL_EXCEPTION
 }
 
+// restore warning state
+#ifdef __VISUALC__
+    #pragma warning(default: 4715) // not all control paths return a value
+#endif // Visual C++
+
 #else /*  _WINDLL  */
 
+//----------------------------------------------------------------------
+// Entry point for wxWindows + the App in a DLL
+//----------------------------------------------------------------------
+
 int wxEntry(WXHINSTANCE hInstance)
 {
-  wxhInstance = (HINSTANCE) hInstance;
-  wxApp::Initialize((WXHINSTANCE) wxhInstance);
-
-  // The app may have declared a global application object, but we recommend
-  // the IMPLEMENT_APP macro is used instead, which sets an initializer function
-  // for delayed, dynamic app object construction.
+    wxhInstance = (HINSTANCE) hInstance;
+    wxEntryStart(0, 0);
 
-  if (!wxTheApp)
-  {
-       if (!wxApp::GetInitializerFunction())
-       {
-       MessageBox(NULL, "No initializer - use IMPLEMENT_APP macro.", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
-               return 0;
-       }
+    // The app may have declared a global application object, but we recommend
+    // the IMPLEMENT_APP macro is used instead, which sets an initializer function
+    // for delayed, dynamic app object construction.
+    if (!wxTheApp)
+    {
+        wxCHECK_MSG( wxApp::GetInitializerFunction(), 0,
+                     "No initializer - use IMPLEMENT_APP macro." );
 
-       wxTheApp = (* wxApp::GetInitializerFunction()) ();
-  }
+        wxTheApp = (* wxApp::GetInitializerFunction()) ();
+    }
 
-  if (!wxTheApp) {
-    MessageBox(NULL, "You have to define an instance of wxApp!", "wxWindows Error", MB_APPLMODAL | MB_ICONSTOP | MB_OK);
-    return 0;
-  }
+    wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" );
 
-  wxTheApp->argc = 0;
-  wxTheApp->argv = NULL;
+    wxTheApp->argc = 0;
+    wxTheApp->argv = NULL;
 
-  wxTheApp->OnInitGui();
+    wxEntryInitGui();
 
-  wxTheApp->OnInit();
+    wxTheApp->OnInit();
 
-  if (wxTheApp->GetTopWindow() && wxTheApp->GetTopWindow()->GetHWND()) {
-    wxTheApp->GetTopWindow()->Show(TRUE);
-  }
+    wxWindow *topWindow = wxTheApp->GetTopWindow();
+    if ( topWindow && topWindow->GetHWND())
+    {
+        topWindow->Show(TRUE);
+    }
 
-  return 1;
+    return 1;
 }
 #endif // _WINDLL
 
-// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+//// Static member initialization
+
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 
 wxApp::wxApp()
 {
-  m_topWindow = NULL;
-  wxTheApp = this;
-//  work_proc = NULL ;
-  m_className = "";
-//  m_resourceCollection = TRUE;
-//  m_pendingCleanup = FALSE;
-  m_wantDebugOutput = TRUE ;
-  m_appName = "";
-  argc = 0;
-  argv = NULL;
-#ifdef __WXMSW__
-  m_printMode = wxPRINT_WINDOWS;
-#else
-  m_printMode = wxPRINT_POSTSCRIPT;
-#endif
-  m_exitOnFrameDelete = TRUE;
-  m_auto3D = TRUE;
+    argc = 0;
+    argv = NULL;
+    m_printMode = wxPRINT_WINDOWS;
+    m_auto3D = TRUE;
+}
+
+wxApp::~wxApp()
+{
+    // Delete command-line args
+    int i;
+    for (i = 0; i < argc; i++)
+    {
+        delete[] argv[i];
+    }
+    delete[] argv;
 }
 
 bool wxApp::Initialized()
 {
 #ifndef _WINDLL
-  if (GetTopWindow())
+    if (GetTopWindow())
+        return TRUE;
+    else
+        return FALSE;
+#else // Assume initialized if DLL (no way of telling)
     return TRUE;
-  else
-    return FALSE;
-#endif
-#ifdef _WINDLL // Assume initialized if DLL (no way of telling)
-  return TRUE;
 #endif
 }
 
 /*
  * Get and process a message, returning FALSE if WM_QUIT
- * received.
+ * received (and also set the flag telling the app to exit the main loop)
  *
  */
 bool wxApp::DoMessage()
 {
-  if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
-  {
-    return FALSE;
-  }
+    BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
+    if ( rc == 0 )
+    {
+        // got WM_QUIT
+        m_keepGoing = FALSE;
+
+        return FALSE;
+    }
+    else if ( rc == -1 )
+    {
+        // should never happen, but let's test for it nevertheless
+        wxLogLastError(wxT("GetMessage"));
+    }
+    else
+    {
+#if wxUSE_THREADS
+        wxASSERT_MSG( wxThread::IsMain(),
+                      wxT("only the main thread can process Windows messages") );
+
+        static bool s_hadGuiLock = TRUE;
+        static wxMsgArray s_aSavedMessages;
+
+        // if a secondary thread owns is doing GUI calls, save all messages for
+        // later processing - we can't process them right now because it will
+        // lead to recursive library calls (and we're not reentrant)
+        if ( !wxGuiOwnedByMainThread() )
+        {
+            s_hadGuiLock = FALSE;
+
+            // leave out WM_COMMAND messages: too dangerous, sometimes
+            // the message will be processed twice
+            if ( !wxIsWaitingForThread() ||
+                    s_currentMsg.message != WM_COMMAND )
+            {
+                s_aSavedMessages.Add(s_currentMsg);
+            }
+
+            return TRUE;
+        }
+        else
+        {
+            // have we just regained the GUI lock? if so, post all of the saved
+            // messages
+            //
+            // FIXME of course, it's not _exactly_ the same as processing the
+            //       messages normally - expect some things to break...
+            if ( !s_hadGuiLock )
+            {
+                s_hadGuiLock = TRUE;
+
+                size_t count = s_aSavedMessages.Count();
+                for ( size_t n = 0; n < count; n++ )
+                {
+                    MSG& msg = s_aSavedMessages[n];
+
+                    if ( !ProcessMessage((WXMSG *)&msg) )
+                    {
+                        ::TranslateMessage(&msg);
+                        ::DispatchMessage(&msg);
+                    }
+                }
+
+                s_aSavedMessages.Empty();
+            }
+        }
+#endif // wxUSE_THREADS
+
+        // Process the message
+        DoMessage((WXMSG *)&s_currentMsg);
+    }
+
+    return TRUE;
+}
 
-  // Process the message
-  if (!ProcessMessage((WXMSG *)&s_currentMsg))
-  {
-    ::TranslateMessage(&s_currentMsg);
-    wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
-    ::DispatchMessage(&s_currentMsg);
-  }
-  return TRUE;
+void wxApp::DoMessage(WXMSG *pMsg)
+{
+    if ( !ProcessMessage(pMsg) )
+    {
+        ::TranslateMessage((MSG *)pMsg);
+        ::DispatchMessage((MSG *)pMsg);
+    }
 }
 
 /*
@@ -710,16 +994,22 @@ bool wxApp::DoMessage()
 
 int wxApp::MainLoop()
 {
-  m_keepGoing = TRUE;
-  while (m_keepGoing)
-  {
-    while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
-           ProcessIdle()) {}
-    if (!DoMessage())
-      m_keepGoing = FALSE;
-  }
+    m_keepGoing = TRUE;
+
+    while ( m_keepGoing )
+    {
+#if wxUSE_THREADS
+        wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+        while ( !Pending() && ProcessIdle() )
+            ;
+
+        // a message came or no more idle processing to do
+        DoMessage();
+    }
 
-  return s_currentMsg.wParam;
+    return s_currentMsg.wParam;
 }
 
 // Returns TRUE if more time is needed.
@@ -734,18 +1024,18 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
-  m_keepGoing = FALSE;
+    // VZ: why not ::PostQuitMessage()?
+    m_keepGoing = FALSE;
 }
 
 bool wxApp::Pending()
 {
-  return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
+    return ::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0;
 }
 
 void wxApp::Dispatch()
 {
-    if (!DoMessage())
-      m_keepGoing = FALSE;
+    DoMessage();
 }
 
 /*
@@ -753,78 +1043,138 @@ void wxApp::Dispatch()
  * the message. Some may have accelerator tables, or have
  * MDI complications.
  */
-bool wxApp::ProcessMessage(WXMSG *Msg)
+
+bool wxApp::ProcessMessage(WXMSG *wxmsg)
 {
-  MSG *msg = (MSG *)Msg;
+    MSG *msg = (MSG *)wxmsg;
+    HWND hwnd = msg->hwnd;
+    wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hwnd);
+
+    // this may happen if the event occured in a standard modeless dialog (the
+    // only example of which I know of is the find/replace dialog) - then call
+    // IsDialogMessage() to make TAB navigation in it work
+    if ( !wndThis )
+    {
+        // we need to find the dialog containing this control as
+        // IsDialogMessage() just eats all the messages (i.e. returns TRUE for
+        // them) if we call it for the control itself
+        while ( ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD )
+        {
+            hwnd = ::GetParent(hwnd);
+        }
 
-  HWND hWnd;
+        return ::IsDialogMessage(hwnd, msg) != 0;
+    }
 
-  // Try translations first; find the youngest window with
-  // a translation table.
-  for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
-  {
-    wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
-    if (wnd)
+#if wxUSE_TOOLTIPS
+    // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
+    // popup the tooltip bubbles
+    if ( (msg->message == WM_MOUSEMOVE) )
     {
-       if (wnd->MSWTranslateMessage(Msg))
-         return TRUE;
+        wxToolTip *tt = wndThis->GetToolTip();
+        if ( tt )
+        {
+            tt->RelayEvent(wxmsg);
+        }
     }
-  }
+#endif // wxUSE_TOOLTIPS
 
-  // Anyone for a non-translation message? Try youngest descendants first.
-  for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd))
-  {
-    wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd);
-    if (wnd)
+    // allow the window to prevent certain messages from being
+    // translated/processed (this is currently used by wxTextCtrl to always
+    // grab Ctrl-C/V/X, even if they are also accelerators in some parent)
+    if ( !wndThis->MSWShouldPreProcessMessage(wxmsg) )
     {
-       if (wnd->MSWProcessMessage(Msg))
-         return TRUE;
+        return FALSE;
     }
-  }
-  return FALSE;
-}
-
-void wxApp::OnIdle(wxIdleEvent& event)
-{
-  static bool inOnIdle = FALSE;
-
-  // Avoid recursion (via ProcessEvent default case)
-  if (inOnIdle)
-    return;
 
-  inOnIdle = TRUE;
+    // try translations first: the accelerators override everything
+    wxWindow *wnd;
 
-  // 'Garbage' collection of windows deleted with Close().
-  DeletePendingObjects();
+    for ( wnd = wndThis; wnd; wnd = wnd->GetParent() )
+    {
+        if ( wnd->MSWTranslateMessage(wxmsg))
+            return TRUE;
+
+        // stop at first top level window, i.e. don't try to process the key
+        // strokes originating in a dialog using the accelerators of the parent
+        // frame - this doesn't make much sense
+        if ( wnd->IsTopLevel() )
+            break;
+    }
 
-  // flush the logged messages if any
-  wxLog *pLog = wxLog::GetActiveTarget();
-  if ( pLog != NULL && pLog->HasPendingMessages() )
-    pLog->Flush();
+    // now try the other hooks (kbd navigation is handled here): we start from
+    // wndThis->GetParent() because wndThis->MSWProcessMessage() was already
+    // called above
+    for ( wnd = wndThis->GetParent(); wnd; wnd = wnd->GetParent() )
+    {
+        if ( wnd->MSWProcessMessage(wxmsg) )
+            return TRUE;
+    }
 
-  // Send OnIdle events to all windows
-  bool needMore = SendIdleEvents();
-//  bool needMore = FALSE;
+    // no special preprocessing for this message, dispatch it normally
+    return FALSE;
+}
 
-  if (needMore)
-    event.RequestMore(TRUE);
+void wxApp::OnIdle(wxIdleEvent& event)
+{
+    static bool s_inOnIdle = FALSE;
+
+    // Avoid recursion (via ProcessEvent default case)
+    if ( s_inOnIdle )
+        return;
+
+    s_inOnIdle = TRUE;
+
+    // If there are pending events, we must process them: pending events
+    // are either events to the threads other than main or events posted
+    // with wxPostEvent() functions
+    // GRG: I have moved this here so that all pending events are processed
+    //   before starting to delete any objects. This behaves better (in
+    //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
+    //   behaviour. Changed Feb/2000 before 2.1.14
+    ProcessPendingEvents();
+
+    // 'Garbage' collection of windows deleted with Close().
+    DeletePendingObjects();
+
+#if wxUSE_LOG
+    // flush the logged messages if any
+    wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+#if wxUSE_DC_CACHEING
+    // automated DC cache management: clear the cached DCs and bitmap
+    // if it's likely that the app has finished with them, that is, we
+    // get an idle event and we're not dragging anything.
+    if (!::GetKeyState(MK_LBUTTON) && !::GetKeyState(MK_MBUTTON) && !::GetKeyState(MK_RBUTTON))
+        wxDC::ClearCache();
+#endif // wxUSE_DC_CACHEING
+
+    // Send OnIdle events to all windows
+    if ( SendIdleEvents() )
+    {
+        // SendIdleEvents() returns TRUE if at least one window requested more
+        // idle events
+        event.RequestMore(TRUE);
+    }
 
-  inOnIdle = FALSE;
+    s_inOnIdle = FALSE;
 }
 
 // Send idle event to all top-level windows
 bool wxApp::SendIdleEvents()
 {
     bool needMore = FALSE;
-       wxNode* node = wxTopLevelWindows.First();
-       while (node)
-       {
-               wxWindow* win = (wxWindow*) node->Data();
-               if (SendIdleEvents(win))
+
+    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+    while (node)
+    {
+        wxWindow* win = node->GetData();
+        if (SendIdleEvents(win))
             needMore = TRUE;
+        node = node->GetNext();
+    }
 
-               node = node->Next();
-       }
     return needMore;
 }
 
@@ -833,186 +1183,274 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 {
     bool needMore = FALSE;
 
-       wxIdleEvent event;
-       event.SetEventObject(win);
-       win->ProcessEvent(event);
+    wxIdleEvent event;
+    event.SetEventObject(win);
+    win->GetEventHandler()->ProcessEvent(event);
 
     if (event.MoreRequested())
         needMore = TRUE;
 
-       wxNode* node = win->GetChildren()->First();
-       while (node)
-       {
-               wxWindow* win = (wxWindow*) node->Data();
-               if (SendIdleEvents(win))
+    wxNode* node = win->GetChildren().First();
+    while (node)
+    {
+        wxWindow* win = (wxWindow*) node->Data();
+        if (SendIdleEvents(win))
             needMore = TRUE;
 
-               node = node->Next();
-       }
-    return needMore ;
+        node = node->Next();
+    }
+    return needMore;
 }
 
 void wxApp::DeletePendingObjects()
 {
-  wxNode *node = wxPendingDelete.First();
-  while (node)
-  {
-    wxObject *obj = (wxObject *)node->Data();
-
-    delete obj;
-
-    if (wxPendingDelete.Member(obj))
-      delete node;
+    wxNode *node = wxPendingDelete.First();
+    while (node)
+    {
+        wxObject *obj = (wxObject *)node->Data();
 
-    // Deleting one object may have deleted other pending
-    // objects, so start from beginning of list again.
-    node = wxPendingDelete.First();
-  }
-}
+        delete obj;
 
-/*
-// Free up font objects that are not being used at present.
-bool wxApp::DoResourceCleanup()
-{
-//  wxDebugMsg("ResourceCleanup\n");
+        if (wxPendingDelete.Member(obj))
+            delete node;
 
-  if (wxTheFontList)
-  {
-    wxNode *node = wxTheFontList->First();
-    while (node)
-    {
-      wxGDIObject *obj = (wxGDIObject *)node->Data();
-      if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
-      {
-//        wxDebugMsg("Freeing font %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
-        obj->FreeResource();
-      }
-      node = node->Next();
-    }
-  }
-  if (wxThePenList)
-  {
-    wxNode *node = wxThePenList->First();
-    while (node)
-    {
-      wxGDIObject *obj = (wxGDIObject *)node->Data();
-      if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
-      {
-//        wxDebugMsg("Freeing pen %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
-        obj->FreeResource();
-      }
-      node = node->Next();
-    }
-  }
-  if (wxTheBrushList)
-  {
-    wxNode *node = wxTheBrushList->First();
-    while (node)
-    {
-      wxGDIObject *obj = (wxGDIObject *)node->Data();
-      if ((obj->GetResourceHandle() != 0) && (obj->GetResourceUsage() == 0))
-      {
-//        wxDebugMsg("Freeing brush %ld (GDI object %d)\n", (long)obj, (int)obj->GetResourceHandle());
-        obj->FreeResource();
-      }
-      node = node->Next();
+        // Deleting one object may have deleted other pending
+        // objects, so start from beginning of list again.
+        node = wxPendingDelete.First();
     }
-  }
-
-  SetPendingCleanup(FALSE);
-  return FALSE;
 }
-*/
 
-wxLog* wxApp::CreateLogTarget()
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
 {
-    return new wxLogGui;
+    if (GetTopWindow())
+        GetTopWindow()->Close(TRUE);
 }
 
-wxWindow* wxApp::GetTopWindow() const
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
 {
-    if (m_topWindow)
-        return m_topWindow;
-    else if (wxTopLevelWindows.Number() > 0)
-        return (wxWindow*) wxTopLevelWindows.First()->Data();
-    else
-        return NULL;
+    if (GetTopWindow())
+    {
+        if (!GetTopWindow()->Close(!event.CanVeto()))
+            event.Veto(TRUE);
+    }
 }
 
-int wxApp::GetComCtl32Version() const
+/* static */
+int wxApp::GetComCtl32Version()
 {
-    // have we loaded COMCTL32 yet?
-    HMODULE theModule = ::GetModuleHandle("COMCTL32");
-    int version = 0;
+#ifdef __WXMICROWIN__
+    return 0;
+#else
+    // cache the result
+    static int s_verComCtl32 = -1;
 
-    // if so, then we can check for the version
-    if (theModule)
+    wxCRIT_SECT_DECLARE(csComCtl32);
+    wxCRIT_SECT_LOCKER(lock, csComCtl32);
+
+    if ( s_verComCtl32 == -1 )
     {
-        // InitCommonControlsEx is unique to 4.7 and later
-        FARPROC theProc = ::GetProcAddress(theModule, "InitCommonControlsEx");
+        // initally assume no comctl32.dll at all
+        s_verComCtl32 = 0;
 
-        if (! theProc)
-        {                    // not found, must be 4.00
-                       version = 400;
-        }
-        else
+        // do we have it?
+        HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32"));
+
+        // if so, then we can check for the version
+        if ( hModuleComCtl32 )
         {
-                       // The following symbol are unique to 4.71
-                       //   DllInstall
-                       //   FlatSB_EnableScrollBar FlatSB_GetScrollInfo FlatSB_GetScrollPos
-                       //   FlatSB_GetScrollProp FlatSB_GetScrollRange FlatSB_SetScrollInfo
-                       //   FlatSB_SetScrollPos FlatSB_SetScrollProp FlatSB_SetScrollRange
-                       //   FlatSB_ShowScrollBar
-                       //   _DrawIndirectImageList _DuplicateImageList
-                       //   InitializeFlatSB
-                       //   UninitializeFlatSB
-                       // we could check for any of these - I chose DllInstall
-                       FARPROC theProc = ::GetProcAddress(theModule, "DllInstall");
-                       if (! theProc)
-                       {
-                               // not found, must be 4.70
-                               version = 470;
-                       }
-                       else
-                       {                         // found, must be 4.71
-                               version = 471;
-                       }
+            // try to use DllGetVersion() if available in _headers_
+            #ifdef DLLVER_PLATFORM_WINDOWS // defined in shlwapi.h
+                DLLGETVERSIONPROC pfnDllGetVersion = (DLLGETVERSIONPROC)
+                    ::GetProcAddress(hModuleComCtl32, "DllGetVersion");
+                if ( pfnDllGetVersion )
+                {
+                    DLLVERSIONINFO dvi;
+                    dvi.cbSize = sizeof(dvi);
+
+                    HRESULT hr = (*pfnDllGetVersion)(&dvi);
+                    if ( FAILED(hr) )
+                    {
+                        wxLogApiError(_T("DllGetVersion"), hr);
+                    }
+                    else
+                    {
+                        // this is incompatible with _WIN32_IE values, but
+                        // compatible with the other values returned by
+                        // GetComCtl32Version()
+                        s_verComCtl32 = 100*dvi.dwMajorVersion +
+                                            dvi.dwMinorVersion;
+                    }
+                }
+            #endif
+                // DllGetVersion() unavailable either during compile or
+                // run-time, try to guess the version otherwise
+                if ( !s_verComCtl32 )
+                {
+                    // InitCommonControlsEx is unique to 4.70 and later
+                    FARPROC theProc = ::GetProcAddress
+                                        (
+                                         hModuleComCtl32,
+                                         "InitCommonControlsEx"
+                                        );
+
+                    if ( !theProc )
+                    {
+                        // not found, must be 4.00
+                        s_verComCtl32 = 400;
+                    }
+                    else
+                    {
+                        // many symbols appeared in comctl32 4.71, could use
+                        // any of them except may be DllInstall
+                        theProc = ::GetProcAddress
+                                    (
+                                     hModuleComCtl32,
+                                     "InitializeFlatSB"
+                                    );
+                        if ( !theProc )
+                        {
+                            // not found, must be 4.70
+                            s_verComCtl32 = 470;
+                        }
+                        else
+                        {
+                            // found, must be 4.71
+                            s_verComCtl32 = 471;
+                        }
+                    }
+                }
         }
     }
-    return version;
+
+    return s_verComCtl32;
+#endif
 }
 
 void wxExit()
 {
-  wxApp::CleanUp();
-  FatalAppExit(0, "Fatal error: exiting");
+    wxLogError(_("Fatal error: exiting"));
+
+    wxApp::CleanUp();
+    exit(0);
 }
 
 // Yield to incoming messages
+
+static bool gs_inYield = FALSE;
+
 bool wxYield()
 {
-  MSG msg;
-  // We want to go back to the main message loop
-  // if we see a WM_QUIT. (?)
-  while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
-  {
-    if (!wxTheApp->DoMessage())
-      break;
-  }
+    // disable log flushing from here because a call to wxYield() shouldn't
+    // normally result in message boxes popping up &c
+    wxLog::Suspend();
 
-  return TRUE;
+#ifdef __WXDEBUG__
+    if (gs_inYield)
+        wxFAIL_MSG( wxT("wxYield called recursively" ) );
+#endif
+
+    gs_inYield = TRUE;
+
+    // we don't want to process WM_QUIT from here - it should be processed in
+    // the main event loop in order to stop it
+    MSG msg;
+    while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) &&
+            msg.message != WM_QUIT )
+    {
+#if wxUSE_THREADS
+        wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+
+        if ( !wxTheApp->DoMessage() )
+            break;
+    }
+
+    // If they are pending events, we must process them.
+    if (wxTheApp)
+        wxTheApp->ProcessPendingEvents();
+
+    // let the logs be flashed again
+    wxLog::Resume();
+
+    gs_inYield = FALSE;
+
+    return TRUE;
 }
 
-HINSTANCE wxGetInstance()
+// Yield to incoming messages; but fail silently if recursion is detected.
+bool wxYieldIfNeeded()
 {
-       return wxhInstance;
+    if (gs_inYield)
+        return FALSE;
+
+    return wxYield();
+}
+
+bool wxHandleFatalExceptions(bool doit)
+{
+#if wxUSE_ON_FATAL_EXCEPTION
+    // assume this can only be called from the main thread
+    gs_handleExceptions = doit;
+
+    return TRUE;
+#else
+    wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to sue this function"));
+       
+       (void)doit;
+    return FALSE;
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// wxWakeUpIdle
+//-----------------------------------------------------------------------------
+
+void wxWakeUpIdle()
+{
+    // Send the top window a dummy message so idle handler processing will
+    // start up again.  Doing it this way ensures that the idle handler
+    // wakes up in the right thread (see also wxWakeUpMainThread() which does
+    // the same for the main app thread only)
+    wxWindow *topWindow = wxTheApp->GetTopWindow();
+    if ( topWindow )
+    {
+        if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) )
+        {
+            // should never happen
+            wxLogLastError(wxT("PostMessage(WM_NULL)"));
+        }
+    }
+}
+
+//-----------------------------------------------------------------------------
+
+wxIcon
+wxApp::GetStdIcon(int which) const
+{
+    switch(which)
+    {
+        case wxICON_INFORMATION:
+            return wxIcon("wxICON_INFO");
+
+        case wxICON_QUESTION:
+            return wxIcon("wxICON_QUESTION");
+
+        case wxICON_EXCLAMATION:
+            return wxIcon("wxICON_WARNING");
+
+        default:
+            wxFAIL_MSG(wxT("requested non existent standard icon"));
+            // still fall through
+
+        case wxICON_HAND:
+            return wxIcon("wxICON_ERROR");
+    }
 }
 
 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.
-#if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__)
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
 #include "main.cpp"
 #endif
-
-#undef IN_WX_MAIN_CPP
-