// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+#ifdef __GNUG__
+ #pragma implementation "app.h"
+#endif
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/dynarray.h"
#include "wx/wxchar.h"
#include "wx/icon.h"
- #include "wx/timer.h"
#endif
#include "wx/log.h"
#if wxUSE_THREADS
#include "wx/thread.h"
-
- // define the array of QMSG strutures
- WX_DECLARE_OBJARRAY(QMSG, 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
extern wxCursor* g_globalCursor;
HAB vHabmain = NULLHANDLE;
-QMSG svCurrentMsg;
-wxApp* wxTheApp = NULL;
HICON wxSTD_FRAME_ICON = (HICON) NULL;
int i;
struct GsocketCallbackInfo
*CallbackInfo = (struct GsocketCallbackInfo *)m_sockCallbackInfo;
- int r = 0;
timeout.tv_sec = 0;
timeout.tv_usec = 0;
if ( select(m_maxSocketNr, &readfds, &writefds, 0, &timeout) > 0)
{
- for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle; i++)
+ for (i = m_lastUsedHandle + 1; i != m_lastUsedHandle;
+ (i < m_maxSocketNr - 1) ? i++ : (i = 0))
{
- if (i == m_maxSocketNr)
- i = 0;
if (FD_ISSET(i, &readfds))
{
int r;
{
CallbackInfo[r].proc(CallbackInfo[r].gsock);
pendingEvent = TRUE;
- wxYield();
}
}
if (FD_ISSET(i, &writefds))
{
CallbackInfo[r].proc(CallbackInfo[r].gsock);
pendingEvent = TRUE;
- wxYield();
}
}
}
m_lastUsedHandle = i;
}
if (pendingEvent)
- wxYield();
+ ProcessPendingEvents();
}
}
// ---------------------------------------------------------------------------
//
// Initialize
//
-bool wxApp::Initialize(
- HAB vHab
-)
+bool wxApp::Initialize(int& argc, wxChar **argv)
{
+ if ( !wxAppBase::Initialize(argc, argv) )
+ return false;
+
#if defined(wxUSE_CONSOLEDEBUG)
#if wxUSE_CONSOLEDEBUG
/***********************************************/
//
// OS2 has to have an anchorblock
//
- vHab = WinInitialize(0);
+ vHabmain = WinInitialize(0);
+
+ if (!vHabmain)
+ {
+ // TODO: at least give some error message here...
+ wxAppBase::CleanUp();
- if (!vHab)
return FALSE;
- else
- vHabmain = vHab;
+ }
+
+ wxBuffer = new wxChar[1500]; // FIXME; why?
// Some people may wish to use this, but
// probably it shouldn't be here by default.
// wxRedirectIOToConsole();
#endif
- wxBuffer = new wxChar[1500]; // FIXME; why?
-
- wxClassInfo::InitializeClasses();
-
-#if wxUSE_THREADS
- wxPendingEventsLocker = new wxCriticalSection;
-#endif
-
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
-
- wxInitializeStockLists();
- wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
-
- wxBitmap::InitStandardHandlers();
-
- RegisterWindowClasses(vHab);
wxWinHandleList = new wxList(wxKEY_INTEGER);
// This is to foil optimizations in Visual C++ that throw out dummy.obj.
// wxSetKeyboardHook(TRUE);
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules())
- return FALSE;
+ RegisterWindowClasses(vHabmain);
+
return TRUE;
} // end of wxApp::Initialize
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
if (!::WinRegisterClass( vHab
,wxCanvasClassName
,wxWndProc
- ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT | CS_CLIPCHILDREN
+ ,CS_SIZEREDRAW | CS_HITTEST | CS_SYNCPAINT
+ ,sizeof(ULONG)
+ ))
+ {
+ vError = ::WinGetLastError(vHab);
+ sError = wxPMErrorToStr(vError);
+ wxLogLastError(sError.c_str());
+ return FALSE;
+ }
+ if (!::WinRegisterClass( vHab
+ ,wxCanvasClassNameNR
+ ,wxWndProc
+ ,CS_HITTEST | CS_SYNCPAINT
,sizeof(ULONG)
))
{
vError = ::WinGetLastError(vHab);
sError = wxPMErrorToStr(vError);
- wxLogLastError(sError);
+ wxLogLastError(sError.c_str());
return FALSE;
}
return TRUE;
//
void wxApp::CleanUp()
{
- //
- // 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();
-#endif
-
- wxDeleteStockObjects();
-
- //
- // Destroy all GDI lists, etc.
- //
- wxDeleteStockLists();
-
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
-
- wxBitmap::CleanUpHandlers();
-
delete[] wxBuffer;
wxBuffer = NULL;
if (wxWinHandleList)
delete wxWinHandleList;
- delete wxPendingEvents;
-#if wxUSE_THREADS
- delete wxPendingEventsLocker;
- // If we don't do the following, we get an apparent memory leak.
- ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
-#endif
-
- wxClassInfo::CleanUpClasses();
-
// Delete Message queue
if (wxTheApp->m_hMq)
::WinDestroyMsgQueue(wxTheApp->m_hMq);
- delete wxTheApp;
- wxTheApp = 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)
- {
- wxLogDebug(wxT("There were memory leaks."));
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- // wxDebugContext::SetStream(NULL, NULL);
-#endif
-
-#if wxUSE_LOG
- // do it as the very last thing because everything else can log messages
- delete wxLog::SetActiveTarget(NULL);
-#endif // wxUSE_LOG
+ wxAppBase::CleanUp();
} // end of wxApp::CleanUp
-//----------------------------------------------------------------------
-// Main wxWindows entry point
-//----------------------------------------------------------------------
-int wxEntry(
- int argc
-, char* argv[]
-)
-{
- HAB vHab = 0;
-
- if (!wxApp::Initialize(vHab))
- 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::GetInitializerFunction()) ();
- }
- wxCHECK_MSG( wxTheApp, 0, wxT("You have to define an instance of wxApp!") );
- wxTheApp->argc = argc;
-
-#if wxUSE_UNICODE
- wxTheApp->argv = new wxChar*[argc+1];
-
- int nArgc = 0;
-
- while (nArgc < argc)
- {
- wxTheApp->argv[nArgc] = wxStrdup(wxConvLibc.cMB2WX(argv[nArgc]));
- nArgc++;
- }
- wxTheApp->argv[nArgc] = (wxChar *)NULL;
-#else
- wxTheApp->argv = argv;
-#endif
-
- wxString sName(wxFileNameFromPath(argv[0]));
-
- wxStripExtension(sName);
- wxTheApp->SetAppName(sName);
-
- int nRetValue = 0;
-
- if (!wxTheApp->OnInitGui())
- nRetValue = -1;
-
- if (nRetValue == 0)
- {
- if (wxTheApp->OnInit())
- {
- nRetValue = wxTheApp->OnRun();
- }
- // Normal exit
- wxWindow* pTopWindow = wxTheApp->GetTopWindow();
- if (pTopWindow)
- {
- // Forcibly delete the window.
- if (pTopWindow->IsKindOf(CLASSINFO(wxFrame)) ||
- pTopWindow->IsKindOf(CLASSINFO(wxDialog)) )
- {
- pTopWindow->Close(TRUE);
- wxTheApp->DeletePendingObjects();
- }
- else
- {
- delete pTopWindow;
- wxTheApp->SetTopWindow(NULL);
- }
- }
- }
- else // app initialization failed
- {
- wxLogLastError(" Gui initialization failed, exitting");
- }
-#if wxUSE_CONSOLEDEBUG
- printf("wxTheApp->OnExit ");
- fflush(stdout);
-#endif
- wxTheApp->OnExit();
-#if wxUSE_CONSOLEDEBUG
- printf("wxApp::CleanUp ");
- fflush(stdout);
-#endif
- wxApp::CleanUp();
-#if wxUSE_CONSOLEDEBUG
- printf("return %i ", nRetValue);
- fflush(stdout);
-#endif
- return(nRetValue);
-} // end of wxEntry
-
bool wxApp::OnInitGui()
{
ERRORID vError;
return TRUE;
} // end of wxApp::OnInitGui
-//
-// Static member initialization
-//
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_wantDebugOutput = TRUE;
-
argc = 0;
argv = NULL;
m_nPrintMode = wxPRINT_WINDOWS;
- m_exitOnFrameDelete = TRUE;
- m_bAuto3D = TRUE;
m_hMq = 0;
m_maxSocketHandles = 0;
m_maxSocketNr = 0;
#endif
} // end of wxApp::~wxApp
-bool wxApp::Initialized()
-{
- if (GetTopWindow())
- return TRUE;
- else
- return FALSE;
-} // end of wxApp::Initialized
-
-//
-// Get and process a message, returning FALSE if WM_QUIT
-// received (and also set the flag telling the app to exit the main loop)
-//
-
-bool wxApp::DoMessage()
-{
- BOOL bRc = ::WinGetMsg(vHabmain, &svCurrentMsg, HWND(NULL), 0, 0);
-
- if (bRc == 0)
- {
- // got WM_QUIT
- m_bKeepGoing = FALSE;
- return FALSE;
- }
- else if (bRc == -1)
- {
- // should never happen, but let's test for it nevertheless
- wxLogLastError("GetMessage");
- }
- else
- {
-#if wxUSE_THREADS
- wxASSERT_MSG( wxThread::IsMain()
- ,wxT("only the main thread can process Windows messages")
- );
-
- static bool sbHadGuiLock = TRUE;
- static wxMsgArray svSavedMessages;
-
- //
- // 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())
- {
- sbHadGuiLock = FALSE;
-
- //
- // Leave out WM_COMMAND messages: too dangerous, sometimes
- // the message will be processed twice
- //
- if ( !wxIsWaitingForThread() ||
- svCurrentMsg.msg != WM_COMMAND )
- {
- svSavedMessages.Add(svCurrentMsg);
- }
- return TRUE;
- }
- else
- {
- //
- // Have we just regained the GUI lock? if so, post all of the saved
- // messages
- //
- if (!sbHadGuiLock )
- {
- sbHadGuiLock = TRUE;
-
- size_t nCount = svSavedMessages.Count();
-
- for (size_t n = 0; n < nCount; n++)
- {
- QMSG vMsg = svSavedMessages[n];
-
- if ( !ProcessMessage((WXMSG *)&vMsg) )
- {
- ::WinDispatchMsg(vHabmain, &vMsg);
- }
- }
- svSavedMessages.Empty();
- }
- }
-#endif // wxUSE_THREADS
-
- //
- // Process the message
- //
- DoMessage((WXMSG *)&svCurrentMsg);
- }
- return TRUE;
-} // end of wxApp::DoMessage
-
-void wxApp::DoMessage(
- WXMSG* pMsg
-)
-{
- if (!ProcessMessage((WXMSG *)&svCurrentMsg))
- {
- ::WinDispatchMsg(vHabmain, (PQMSG)&svCurrentMsg);
- }
-} // end of wxApp::DoMessage
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Keep trying to process messages until WM_QUIT
-// received.
-//
-// If there are messages to be processed, they will all be
-// processed and OnIdle will not be called.
-// When there are no more messages, OnIdle is called.
-// If OnIdle requests more time,
-// it will be repeatedly called so long as there are no pending messages.
-// A 'feature' of this is that once OnIdle has decided that no more processing
-// is required, then it won't get processing time until further messages
-// are processed (it'll sit in DoMessage).
-//
-//////////////////////////////////////////////////////////////////////////////
-int wxApp::MainLoop()
-{
- m_bKeepGoing = TRUE;
-
- while (m_bKeepGoing)
- {
-#if wxUSE_THREADS
- wxMutexGuiLeaveOrEnter();
-#endif // wxUSE_THREADS
- while (!Pending() && ProcessIdle())
- {
- HandleSockets();
- wxUsleep(10000);
- }
- HandleSockets();
- if (Pending())
- DoMessage();
- else
- wxUsleep(10000);
-
- }
- return (int)svCurrentMsg.mp1;
-} // end of wxApp::MainLoop
-
-//
-// Returns TRUE if more time is needed.
-//
-bool wxApp::ProcessIdle()
-{
- wxIdleEvent vEvent;
-
- vEvent.SetEventObject(this);
- ProcessEvent(vEvent);
- return vEvent.MoreRequested();
-} // end of wxApp::ProcessIdle
-
-void wxApp::ExitMainLoop()
-{
- m_bKeepGoing = FALSE;
-}
-
-bool wxApp::Pending()
-{
- return (::WinPeekMsg(vHabmain, (PQMSG)&svCurrentMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) != 0);
-}
-
-void wxApp::Dispatch()
-{
- DoMessage();
-}
-
-//////////////////////////////////////////////////////////////////////////////
-//
-// Give all windows a chance to preprocess
-// the message. Some may have accelerator tables, or have
-// MDI complications.
-//
-//////////////////////////////////////////////////////////////////////////////
-bool wxApp::ProcessMessage(
- WXMSG* pWxmsg
-)
-{
- QMSG* pMsg = (PQMSG)pWxmsg;
- HWND hWnd = pMsg->hwnd;
- wxWindow* pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
- wxWindow* pWnd;
-
-#if wxUSE_TOOLTIPS
- //
- // We must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to
- // popup the tooltip bubbles
- //
- if (pWndThis && (pMsg->msg == WM_MOUSEMOVE))
- {
- wxToolTip* pToolTip = pWndThis->GetToolTip();
- if (pToolTip)
- {
- pToolTip->RelayEvent(pWxmsg);
- }
- }
-#endif // wxUSE_TOOLTIPS
-
- //
- // We must relay Timer events to wxTimer's processing function
- //
- if (pMsg->msg == WM_TIMER)
- wxTimerProc(NULL, 0, (int)pMsg->mp1, 0);
-
- //
- // For some composite controls (like a combobox), wndThis might be NULL
- // because the subcontrol is not a wxWindow, but only the control itself
- // is - try to catch this case
- //
- while (hWnd && !pWndThis)
- {
- hWnd = ::WinQueryWindow(hWnd, QW_PARENT);
- pWndThis = wxFindWinFromHandle((WXHWND)hWnd);
- }
-
- //
- // Try translations first; find the youngest window with
- // a translation table. OS/2 has case sensative accels, so
- // this block, coded by BK, removes that and helps make them
- // case insensative.
- //
- if(pMsg->msg == WM_CHAR)
- {
- PBYTE pChmsg = (PBYTE)&(pMsg->msg);
- USHORT uSch = CHARMSG(pChmsg)->chr;
- bool bRc;
-
- //
- // Do not process keyup events
- //
- if(!(CHARMSG(pChmsg)->fs & KC_KEYUP))
- {
- if((CHARMSG(pChmsg)->fs & (KC_ALT | KC_CTRL)) && CHARMSG(pChmsg)->chr != 0)
- CHARMSG(pChmsg)->chr = (USHORT)wxToupper((UCHAR)uSch);
-
-
- for(pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent() )
- {
- if((bRc = pWnd->OS2TranslateMessage(pWxmsg)) == TRUE)
- break;
- }
-
- if(!bRc) // untranslated, should restore original value
- CHARMSG(pChmsg)->chr = uSch;
- }
- }
- //
- // Anyone for a non-translation message? Try youngest descendants first.
- //
-// for (pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent())
-// {
-// if (pWnd->OS2ProcessMessage(pWxmsg))
-// return TRUE;
-// }
- return FALSE;
-} // end of wxApp::ProcessMessage
+bool gbInOnIdle = FALSE;
void wxApp::OnIdle(
wxIdleEvent& rEvent
)
{
- static bool sbInOnIdle = FALSE;
//
// Avoid recursion (via ProcessEvent default case)
//
- if (sbInOnIdle)
+ if (gbInOnIdle)
return;
- sbInOnIdle = 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
- //
- ProcessPendingEvents();
-
- //
- // 'Garbage' collection of windows deleted with Close().
- //
- DeletePendingObjects();
-
-#if wxUSE_LOG
- //
- // Flush the logged messages if any
- //
- wxLog::FlushActive();
-#endif // wxUSE_LOG
+ gbInOnIdle = TRUE;
+
+ wxAppBase::OnIdle(rEvent);
#if wxUSE_DC_CACHEING
// automated DC cache management: clear the cached DCs and bitmap
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
- //
- rEvent.RequestMore(TRUE);
- }
- sbInOnIdle = FALSE;
+ gbInOnIdle = FALSE;
} // end of wxApp::OnIdle
-// Send idle event to all top-level windows
-bool wxApp::SendIdleEvents()
-{
- bool bNeedMore = FALSE;
- wxWindowList::Node* pNode = wxTopLevelWindows.GetFirst();
-
- while (pNode)
- {
- wxWindow* pWin = pNode->GetData();
-
- if (SendIdleEvents(pWin))
- bNeedMore = TRUE;
- pNode = pNode->GetNext();
- }
- return bNeedMore;
-} // end of wxApp::SendIdleEvents
-
-//
-// Send idle event to window and all subwindows
-//
-bool wxApp::SendIdleEvents(
- wxWindow* pWin
-)
-{
- bool bNeedMore = FALSE;
- wxIdleEvent vEvent;
-
- vEvent.SetEventObject(pWin);
- pWin->GetEventHandler()->ProcessEvent(vEvent);
-
- if (vEvent.MoreRequested())
- bNeedMore = TRUE;
-
- wxNode* pNode = pWin->GetChildren().First();
-
- while (pNode)
- {
- wxWindow* pWin = (wxWindow*) pNode->Data();
-
- if (SendIdleEvents(pWin))
- bNeedMore = TRUE;
- pNode = pNode->Next();
- }
- return bNeedMore;
-} // end of wxApp::SendIdleEvents
-
-void wxApp::DeletePendingObjects()
-{
- wxNode* pNode = wxPendingDelete.First();
-
- while (pNode)
- {
- wxObject* pObj = (wxObject *)pNode->Data();
-
- delete pObj;
-
- if (wxPendingDelete.Member(pObj))
- delete pNode;
-
- //
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- //
- pNode = wxPendingDelete.First();
- }
-} // end of wxApp::DeletePendingObjects
-
void wxApp::OnEndSession(
wxCloseEvent& WXUNUSED(rEvent))
{
}
} // end of wxApp::OnQueryEndSession
-void wxExit()
-{
- wxLogError(_("Fatal error: exiting"));
-
- wxApp::CleanUp();
-} // end of wxExit
-
//
// Yield to incoming messages
//
#if wxUSE_THREADS
wxMutexGuiLeaveOrEnter();
#endif // wxUSE_THREADS
- if (!wxTheApp->DoMessage())
+ if (!wxTheApp->Dispatch())
break;
}
//
if (wxTheApp)
wxTheApp->ProcessPendingEvents();
+ HandleSockets();
//
// Let the logs be flashed again
//
return TRUE;
} // end of wxYield
-wxIcon wxApp::GetStdIcon(
- int nWhich
-) const
-{
- switch(nWhich)
- {
- 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");
- }
- return wxIcon("wxICON_ERROR");
-} // end of wxApp::GetStdIcon
-
int wxApp::AddSocketHandler(int handle, int mask,
void (*callback)(void*), void * gsock)
{
// wxWakeUpIdle
//-----------------------------------------------------------------------------
-void wxWakeUpIdle()
+void wxApp::WakeUpIdle()
{
//
// Send the top window a dummy message so idle handler processing will