X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e2478fde622a16d25c66690af353dfdc37e7b582..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/msw/app.cpp diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 1b2e4f96ba..ef5379e82b 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: app.cpp +// Name: src/msw/app.cpp // Purpose: wxApp // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "app.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -29,6 +25,8 @@ #endif #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" + #include "wx/dynarray.h" #include "wx/frame.h" #include "wx/app.h" #include "wx/utils.h" @@ -42,29 +40,20 @@ #include "wx/dialog.h" #include "wx/msgdlg.h" #include "wx/intl.h" - #include "wx/dynarray.h" - #include "wx/wxchar.h" - #include "wx/icon.h" + #include "wx/crt.h" #include "wx/log.h" + #include "wx/module.h" #endif #include "wx/apptrait.h" -#include "wx/cmdline.h" #include "wx/filename.h" -#include "wx/module.h" +#include "wx/dynlib.h" +#include "wx/evtloop.h" +#include "wx/thread.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 +#include "wx/msw/ole/oleutils.h" +#include "wx/msw/private/timer.h" #if wxUSE_TOOLTIPS #include "wx/tooltip.h" @@ -78,6 +67,11 @@ #define wxUSE_OLE 0 #endif // broken compilers +#if defined(__POCKETPC__) || defined(__SMARTPHONE__) + #include + #include +#endif + #if wxUSE_OLE #include #endif @@ -85,88 +79,58 @@ #include #include -#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__WXMICROWIN__)) && !defined(__CYGWIN10__)) - #include -#endif - -#ifndef __WXMICROWIN__ -#include "wx/msw/msvcrt.h" -#endif - -// ---------------------------------------------------------------------------- -// conditional compilation -// ---------------------------------------------------------------------------- +#include "wx/msw/missing.h" -// 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: +// instead of including which is not part of the core SDK and not +// shipped at all with other compilers, we always define the parts of it we +// need here ourselves // -// 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 +// NB: DLLVER_PLATFORM_WINDOWS will be defined if shlwapi.h had been somehow +// included already +#ifndef DLLVER_PLATFORM_WINDOWS + // hopefully we don't need to change packing as DWORDs should be already + // correctly aligned + struct DLLVERSIONINFO + { + DWORD cbSize; + DWORD dwMajorVersion; // Major version + DWORD dwMinorVersion; // Minor version + DWORD dwBuildNumber; // Build number + DWORD dwPlatformID; // DLLVER_PLATFORM_* + }; + + typedef HRESULT (CALLBACK* DLLGETVERSIONPROC)(DLLVERSIONINFO *); +#endif // defined(DLLVERSIONINFO) -#if _WIN32_IE >= 0x0300 && \ - (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \ - !defined(__CYGWIN__) - #include -#endif // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- -extern wxChar *wxBuffer; -extern wxList WXDLLEXPORT wxPendingDelete; -#ifndef __WXMICROWIN__ +#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__) extern void wxSetKeyboardHook(bool doIt); #endif -MSG s_currentMsg; - // NB: all "NoRedraw" classes must have the same names as the "normal" classes // with NR suffix - wxWindow::MSWCreate() supposes this -const wxChar *wxCanvasClassName = wxT("wxWindowClass"); -const wxChar *wxCanvasClassNameNR = wxT("wxWindowClassNR"); -const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass"); -const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR"); -const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass"); -const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR"); - -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; +#ifdef __WXWINCE__ +WXDLLIMPEXP_CORE wxChar *wxCanvasClassName; +WXDLLIMPEXP_CORE wxChar *wxCanvasClassNameNR; +#else +WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName = wxT("wxWindowClass"); +WXDLLIMPEXP_CORE const wxChar *wxCanvasClassNameNR = wxT("wxWindowClassNR"); +#endif +WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassName = wxT("wxMDIFrameClass"); +WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR"); +WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass"); +WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR"); -HBRUSH wxDisableButtonBrush = (HBRUSH) 0; +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- 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 - // =========================================================================== // wxGUIAppTraits implementation // =========================================================================== @@ -213,8 +177,8 @@ void *wxGUIAppTraits::BeforeChildWaitLoop() wxWindow *winActive = new wxFrame ( wxTheApp->GetTopWindow(), - -1, - _T(""), + wxID_ANY, + wxEmptyString, wxPoint(32600, 32600), wxSize(1, 1), wxDEFAULT_FRAME_STYLE | wxFRAME_NO_TASKBAR @@ -233,7 +197,7 @@ void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig) { wxEndBusyCursor(); - const ChildWaitLoopData * const data = (ChildWaitLoopData *)dataOrig; + ChildWaitLoopData * const data = (ChildWaitLoopData *)dataOrig; delete data->wd; @@ -241,17 +205,88 @@ void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig) // the other windows reenabled, the activation is going to return to the // window which had had it before data->winActive->Destroy(); + + // also delete the temporary data object itself + delete data; } bool wxGUIAppTraits::DoMessageFromThreadWait() { - return !wxTheApp || wxTheApp->DoMessage(); + // we should return false only if the app should exit, i.e. only if + // Dispatch() determines that the main event loop should terminate + wxEventLoopBase * const evtLoop = wxEventLoop::GetActive(); + if ( !evtLoop || !evtLoop->Pending() ) + { + // no events means no quit event + return true; + } + + return evtLoop->Dispatch(); +} + +DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread) +{ + // if we don't have a running event loop, we shouldn't wait for the + // messages as we never remove them from the message queue and so we enter + // an infinite loop as MsgWaitForMultipleObjects() keeps returning + // WAIT_OBJECT_0 + 1 + if ( !wxEventLoop::GetActive() ) + return DoSimpleWaitForThread(hThread); + + return ::MsgWaitForMultipleObjects + ( + 1, // number of objects to wait for + (HANDLE *)&hThread, // the objects + false, // wait for any objects, not all + INFINITE, // no timeout + QS_ALLINPUT | // return as soon as there are any events + QS_ALLPOSTMESSAGE + ); +} + +wxPortId wxGUIAppTraits::GetToolkitVersion(int *majVer, int *minVer) const +{ + OSVERSIONINFO info; + wxZeroMemory(info); + + // on Windows, the toolkit version is the same of the OS version + // as Windows integrates the OS kernel with the GUI toolkit. + info.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + if ( ::GetVersionEx(&info) ) + { + if ( majVer ) + *majVer = info.dwMajorVersion; + if ( minVer ) + *minVer = info.dwMinorVersion; + } + +#if defined(__WXHANDHELD__) || defined(__WXWINCE__) + return wxPORT_WINCE; +#else + return wxPORT_MSW; +#endif +} + +#if wxUSE_TIMER + +wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer) +{ + return new wxMSWTimerImpl(timer); +} + +#endif // wxUSE_TIMER + +wxEventLoopBase* wxGUIAppTraits::CreateEventLoop() +{ + return new wxEventLoop; } // =========================================================================== // wxApp implementation // =========================================================================== +int wxApp::m_nCmdShow = SW_SHOWNORMAL; + // --------------------------------------------------------------------------- // wxWin macros // --------------------------------------------------------------------------- @@ -264,123 +299,70 @@ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) END_EVENT_TABLE() -//// Initialize -bool wxApp::Initialize() +// class to ensure that wxAppBase::CleanUp() is called if our Initialize() +// fails +class wxCallBaseCleanup { - // the first thing to do is to check if we're trying to run an Unicode - // program under Win9x w/o MSLU emulation layer - if so, abort right now - // as it has no chance to work -#if wxUSE_UNICODE && !wxUSE_UNICODE_MSLU - 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/XP.\nProgram aborted."), - _T("wxWindows Fatal Error"), - MB_ICONERROR | MB_OK - ); - - return FALSE; - } -#endif // wxUSE_UNICODE && !wxUSE_UNICODE_MSLU - - wxBuffer = new wxChar[1500]; // FIXME +public: + wxCallBaseCleanup(wxApp *app) : m_app(app) { } + ~wxCallBaseCleanup() { if ( m_app ) m_app->wxAppBase::CleanUp(); } - wxClassInfo::InitializeClasses(); + void Dismiss() { m_app = NULL; } -#if wxUSE_THREADS - wxPendingEventsLocker = new wxCriticalSection; -#endif +private: + wxApp *m_app; +}; - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); +//// Initialize +bool wxApp::Initialize(int& argc, wxChar **argv) +{ + if ( !wxAppBase::Initialize(argc, argv) ) + return false; - wxInitializeStockLists(); - wxInitializeStockObjects(); + // ensure that base cleanup is done if we return too early + wxCallBaseCleanup callBaseCleanup(this); - wxBitmap::InitStandardHandlers(); +#ifdef __WXWINCE__ + wxString tmp = GetAppName(); + tmp += wxT("ClassName"); + wxCanvasClassName = wxStrdup( tmp.wc_str() ); + tmp += wxT("NR"); + wxCanvasClassNameNR = wxStrdup( tmp.wc_str() ); + HWND hWnd = FindWindow( wxCanvasClassNameNR, NULL ); + if (hWnd) + { + SetForegroundWindow( (HWND)(((DWORD)hWnd)|0x01) ); + return false; + } +#endif -#if defined(__WIN95__) && !defined(__WXMICROWIN__) +#if !defined(__WXMICROWIN__) InitCommonControls(); -#endif // __WIN95__ +#endif // !defined(__WXMICROWIN__) -#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 - -#if wxUSE_OLE - // we need to initialize OLE library - if ( FAILED(::OleInitialize(NULL)) ) - wxLogError(_("Cannot initialize OLE")); +#if defined(__SMARTPHONE__) || defined(__POCKETPC__) + SHInitExtraControls(); #endif -#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")); +#ifndef __WXWINCE__ + // Don't show a message box if a function such as SHGetFileInfo + // fails to find a device. + SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOOPENFILEERRORBOX); +#endif - 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 + wxOleInitialize(); RegisterWindowClasses(); -#ifndef __WXMICROWIN__ - // Create the brush for disabling bitmap buttons - - LOGBRUSH lb; - lb.lbStyle = BS_PATTERN; - lb.lbColor = 0; - 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 wxUSE_PENWINDOWS - wxRegisterPenWin(); -#endif - wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100); - // 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++; +#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + wxSetKeyboardHook(true); #endif -#ifndef __WXMICROWIN__ - wxSetKeyboardHook(TRUE); -#endif + callBaseCleanup.Dismiss(); - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) - return FALSE; - return TRUE; + return true; } // --------------------------------------------------------------------------- @@ -405,8 +387,8 @@ bool wxApp::RegisterWindowClasses() wndclass.hInstance = wxhInstance; wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); - // Register the frame window class. - wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1); + // register the class for all normal windows + wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); wndclass.lpszClassName = wxCanvasClassName; wndclass.style = styleNormal; @@ -462,7 +444,7 @@ bool wxApp::RegisterWindowClasses() wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); } - return TRUE; + return true; } // --------------------------------------------------------------------------- @@ -471,7 +453,7 @@ bool wxApp::RegisterWindowClasses() bool wxApp::UnregisterWindowClasses() { - bool retval = TRUE; + bool retval = true; #ifndef __WXMICROWIN__ // MDI frame window class. @@ -479,7 +461,7 @@ bool wxApp::UnregisterWindowClasses() { wxLogLastError(wxT("UnregisterClass(MDI parent)")); - retval = FALSE; + retval = false; } // "no redraw" MDI frame @@ -487,7 +469,7 @@ bool wxApp::UnregisterWindowClasses() { wxLogLastError(wxT("UnregisterClass(no redraw MDI parent frame)")); - retval = FALSE; + retval = false; } // MDI child frame window class. @@ -495,7 +477,7 @@ bool wxApp::UnregisterWindowClasses() { wxLogLastError(wxT("UnregisterClass(MDI child)")); - retval = FALSE; + retval = false; } // "no redraw" MDI child frame @@ -503,7 +485,7 @@ bool wxApp::UnregisterWindowClasses() { wxLogLastError(wxT("UnregisterClass(no redraw MDI child)")); - retval = FALSE; + retval = false; } // canvas class name @@ -511,718 +493,75 @@ bool wxApp::UnregisterWindowClasses() { wxLogLastError(wxT("UnregisterClass(canvas)")); - retval = FALSE; + retval = false; } if ( !::UnregisterClass(wxCanvasClassNameNR, wxhInstance) ) { wxLogLastError(wxT("UnregisterClass(no redraw canvas)")); - retval = FALSE; + retval = false; } #endif // __WXMICROWIN__ return retval; } -// --------------------------------------------------------------------------- -// Convert Windows to argc, argv style -// --------------------------------------------------------------------------- - -void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine) -{ - // break the command line in words - wxArrayString args = - wxCmdLineParser::ConvertStringToArgs(wxConvertMB2WX(lpCmdLine)); - - // +1 here for the program name - argc = args.GetCount() + 1; - - // and +1 here for the terminating NULL - argv = new wxChar *[argc + 1]; - - argv[0] = new wxChar[260]; // 260 is MAX_PATH value from windef.h - ::GetModuleFileName(wxhInstance, argv[0], 260); - - // also set the app name from argv[0] - wxString name; - wxFileName::SplitPath(argv[0], NULL, &name, NULL); - - // but don't override the name already set by the user code, if any - if ( GetAppName().empty() ) - SetAppName(name); - - // copy all the other arguments to wxApp::argv[] - for ( int i = 1; i < argc; i++ ) - { - argv[i] = copystring(args[i - 1]); - } - - // argv[] must be NULL-terminated - argv[argc] = NULL; -} - -//// Cleans up any wxWindows internal structures left lying around - 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(); - - wxDeleteStockObjects(); - - // Destroy all GDI lists, etc. - wxDeleteStockLists(); - - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; - - wxBitmap::CleanUpHandlers(); - - delete[] wxBuffer; - wxBuffer = NULL; + // all objects pending for deletion must be deleted first, otherwise we + // would crash when they use wxWinHandleHash (and UnregisterWindowClasses() + // call wouldn't succeed as long as any windows still exist), so call the + // base class method first and only then do our clean up + wxAppBase::CleanUp(); - //// WINDOWS-SPECIFIC CLEANUP - -#ifndef __WXMICROWIN__ - wxSetKeyboardHook(FALSE); -#endif - -#if wxUSE_PENWINDOWS - wxCleanUpPenWin(); +#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__) + wxSetKeyboardHook(false); #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); + wxOleUninitialize(); - 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 - -#ifdef WXMAKINGDLL // for an EXE the classes are unregistered when it terminates but DLL may // be loaded several times (load/unload/load) into the same process in // which case the registration will fail after the first time if we don't // unregister the classes now UnregisterWindowClasses(); -#endif // WXMAKINGDLL - -#if wxUSE_CTL3D - Ctl3dUnregister(wxhInstance); -#endif delete wxWinHandleHash; - wxWinHandleHash = NULL; // Set to null in case anything later tries to ref it. - - delete wxPendingEvents; - wxPendingEvents = NULL; // Set to null because wxAppBase::wxEvtHandler is destroyed later. - -#if wxUSE_THREADS - delete wxPendingEventsLocker; - wxPendingEventsLocker = NULL; // Set to null because wxAppBase::wxEvtHandler is destroyed later. - // 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 - - wxClassInfo::CleanUpClasses(); - - 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) - { - wxLogMessage(wxT("There were memory leaks.")); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } - // wxDebugContext::SetStream(NULL, NULL); -#endif + wxWinHandleHash = NULL; -#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(); -} - -void WXDLLEXPORT wxEntryCleanup() -{ - wxApp::CleanUp(); -} - - -#if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) - -// 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++ - -//---------------------------------------------------------------------- -// Main wxWindows entry point -//---------------------------------------------------------------------- -int wxEntry(WXHINSTANCE hInstance, - WXHINSTANCE WXUNUSED(hPrevInstance), - char *lpCmdLine, - int nCmdShow, - bool enterLoop) -{ - // 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); +#ifdef __WXWINCE__ + free( wxCanvasClassName ); + free( wxCanvasClassNameNR ); #endif - -#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 - - // take everything into a try-except block to be able to call - // OnFatalException() if necessary -#if wxUSE_ON_FATAL_EXCEPTION - __try { -#endif - 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 - if (lpCmdLine) // MicroWindows passes NULL - 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__ -#if wxUSE_LOG - wxLog::SetTimestamp(NULL); -#endif // wxUSE_LOG -#endif // __VISUALC__ - - // init the app - int retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1; - - if ( retValue == 0 ) - { - if ( enterLoop ) - { - // run the main loop - 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); - } - } - - retValue = wxTheApp->OnExit(); - - 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; - wxEntryStart(0, 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()) (); - } - - wxCHECK_MSG( wxTheApp, 0, "You have to define an instance of wxApp!" ); - - wxTheApp->argc = 0; - wxTheApp->argv = NULL; - - wxEntryInitGui(); - - wxTheApp->OnInit(); - - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if ( topWindow && topWindow->GetHWND()) - { - topWindow->Show(TRUE); - } - - return 1; } -#endif // _WINDLL -//// Static member initialization +// ---------------------------------------------------------------------------- +// wxApp ctor/dtor +// ---------------------------------------------------------------------------- wxApp::wxApp() { - 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()) - return TRUE; - else - return FALSE; -#else // Assume initialized if DLL (no way of telling) - return TRUE; -#endif -} - -/* - * 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 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.GetCount(); - for ( size_t n = 0; n < count; n++ ) - { - MSG& msg = s_aSavedMessages[n]; - - DoMessage((WXMSG *)&msg); - } - - s_aSavedMessages.Empty(); - } - } -#endif // wxUSE_THREADS - - // Process the message - DoMessage((WXMSG *)&s_currentMsg); - } - - return TRUE; -} - -void wxApp::DoMessage(WXMSG *pMsg) -{ - if ( !ProcessMessage(pMsg) ) - { - ::TranslateMessage((MSG *)pMsg); - ::DispatchMessage((MSG *)pMsg); - } } -/* - * 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_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; -} - -// Returns TRUE if more time is needed. -bool wxApp::ProcessIdle() -{ - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); - - return event.MoreRequested(); -} - -void wxApp::ExitMainLoop() -{ - // this will set m_keepGoing to FALSE a bit later - ::PostQuitMessage(0); -} - -bool wxApp::Pending() -{ - return ::PeekMessage(&s_currentMsg, 0, 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 *wxmsg) -{ - 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 ( hwnd && ::GetWindowLong(hwnd, GWL_STYLE) & WS_CHILD ) - { - hwnd = ::GetParent(hwnd); - } - - return hwnd && ::IsDialogMessage(hwnd, msg) != 0; - } - -#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) ) - { - wxToolTip *tt = wndThis->GetToolTip(); - if ( tt ) - { - tt->RelayEvent(wxmsg); - } - } -#endif // wxUSE_TOOLTIPS - - // 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) ) - { - return FALSE; - } - - // try translations first: the accelerators override everything - wxWindow *wnd; - - 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; - } - - // 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; - } - - // no special preprocessing for this message, dispatch it normally - return FALSE; -} - -// this is a temporary hack and will be replaced by using wxEventLoop in the -// future -// -// it is needed to allow other event loops (currently only one: the modal -// dialog one) to reset the OnIdle() semaphore because otherwise OnIdle() -// wouldn't do anything while a modal dialog shown from OnIdle() call is shown. -bool wxIsInOnIdleFlag = FALSE; +// ---------------------------------------------------------------------------- +// wxApp idle handling +// ---------------------------------------------------------------------------- -void wxApp::OnIdle(wxIdleEvent& event) +void wxApp::OnIdle(wxIdleEvent& WXUNUSED(event)) { - // Avoid recursion (via ProcessEvent default case) - if ( wxIsInOnIdleFlag ) - return; - - wxIsInOnIdleFlag = 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(); + wxMSWDCImpl::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); - } - - wxIsInOnIdleFlag = FALSE; -} - -// Send idle event to all top-level windows -bool wxApp::SendIdleEvents() -{ - bool needMore = FALSE; - - wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow* win = node->GetData(); - if (SendIdleEvents(win)) - needMore = TRUE; - node = node->GetNext(); - } - - return needMore; -} - -// Send idle event to window and all subwindows -bool wxApp::SendIdleEvents(wxWindow* win) -{ - wxIdleEvent event; - event.SetEventObject(win); - win->GetEventHandler()->ProcessEvent(event); - - bool needMore = event.MoreRequested(); - - wxWindowList::Node *node = win->GetChildren().GetFirst(); - while ( node ) - { - wxWindow *win = node->GetData(); - if (SendIdleEvents(win)) - needMore = TRUE; - - node = node->GetNext(); - } - - return needMore; } void wxApp::WakeUpIdle() @@ -1242,28 +581,14 @@ void wxApp::WakeUpIdle() } } -void wxApp::DeletePendingObjects() -{ - wxNode *node = wxPendingDelete.GetFirst(); - while (node) - { - wxObject *obj = node->GetData(); - - delete obj; - - if (wxPendingDelete.Member(obj)) - delete node; - - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.GetFirst(); - } -} +// ---------------------------------------------------------------------------- +// other wxApp event hanlders +// ---------------------------------------------------------------------------- void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) { if (GetTopWindow()) - GetTopWindow()->Close(TRUE); + GetTopWindow()->Close(true); } // Default behaviour: close the application with prompts. The @@ -1273,130 +598,157 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event) if (GetTopWindow()) { if (!GetTopWindow()->Close(!event.CanVeto())) - event.Veto(TRUE); + event.Veto(true); } } -typedef struct _WXADllVersionInfo +// ---------------------------------------------------------------------------- +// system DLL versions +// ---------------------------------------------------------------------------- + +#if wxUSE_DYNLIB_CLASS + +namespace { - DWORD cbSize; - DWORD dwMajorVersion; // Major version - DWORD dwMinorVersion; // Minor version - DWORD dwBuildNumber; // Build number - DWORD dwPlatformID; // DLLVER_PLATFORM_* -} WXADLLVERSIONINFO; -typedef HRESULT (CALLBACK* WXADLLGETVERSIONPROC)(WXADLLVERSIONINFO *); +// helper function: retrieve the DLL version by using DllGetVersion(), returns +// 0 if the DLL doesn't export such function +int CallDllGetVersion(wxDynamicLibrary& dll) +{ + // now check if the function is available during run-time + wxDYNLIB_FUNCTION( DLLGETVERSIONPROC, DllGetVersion, dll ); + if ( !pfnDllGetVersion ) + return 0; + + DLLVERSIONINFO dvi; + dvi.cbSize = sizeof(dvi); + + HRESULT hr = (*pfnDllGetVersion)(&dvi); + if ( FAILED(hr) ) + { + wxLogApiError(_T("DllGetVersion"), hr); + + return 0; + } + + return 100*dvi.dwMajorVersion + dvi.dwMinorVersion; +} + +} // anonymous namespace /* static */ int wxApp::GetComCtl32Version() { -#ifdef __WXMICROWIN__ - return 0; -#else // cache the result + // + // NB: this is MT-ok as in the worst case we'd compute s_verComCtl32 twice, + // but as its value should be the same both times it doesn't matter static int s_verComCtl32 = -1; - wxCRIT_SECT_DECLARE(csComCtl32); - wxCRIT_SECT_LOCKER(lock, csComCtl32); - if ( s_verComCtl32 == -1 ) { - // initally assume no comctl32.dll at all - s_verComCtl32 = 0; + // we're prepared to handle the errors + wxLogNull noLog; - // do we have it? - HMODULE hModuleComCtl32 = ::GetModuleHandle(wxT("COMCTL32")); - BOOL bFreeComCtl32 = FALSE ; - if(!hModuleComCtl32) + // the DLL should really be available + wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM); + if ( !dllComCtl32.IsLoaded() ) { - hModuleComCtl32 = ::LoadLibrary(wxT("COMCTL32.DLL")) ; - if(hModuleComCtl32) - { - bFreeComCtl32 = TRUE ; - } + s_verComCtl32 = 0; + return 0; } - // if so, then we can check for the version - if ( hModuleComCtl32 ) + // try DllGetVersion() for recent DLLs + s_verComCtl32 = CallDllGetVersion(dllComCtl32); + + // if DllGetVersion() is unavailable either during compile or + // run-time, try to guess the version otherwise + if ( !s_verComCtl32 ) { - // try to use DllGetVersion() if available in _headers_ - WXADLLGETVERSIONPROC pfnDllGetVersion = (WXADLLGETVERSIONPROC) - ::GetProcAddress(hModuleComCtl32, "DllGetVersion"); - if ( pfnDllGetVersion ) + // InitCommonControlsEx is unique to 4.70 and later + void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx")); + if ( !pfn ) + { + // not found, must be 4.00 + s_verComCtl32 = 400; + } + else // 4.70+ + { + // many symbols appeared in comctl32 4.71, could use any of + // them except may be DllInstall() + pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB")); + if ( !pfn ) { - WXADLLVERSIONINFO 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; - } + // not found, must be 4.70 + s_verComCtl32 = 470; } - // DllGetVersion() unavailable either during compile or - // run-time, try to guess the version otherwise - if ( !s_verComCtl32 ) + else { - // 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; - } - } + // found, must be 4.71 or later + s_verComCtl32 = 471; } + } } + } - if(bFreeComCtl32) + return s_verComCtl32; +} + +/* static */ +int wxApp::GetShell32Version() +{ + static int s_verShell32 = -1; + if ( s_verShell32 == -1 ) + { + // we're prepared to handle the errors + wxLogNull noLog; + + wxDynamicLibrary dllShell32(_T("shell32.dll"), wxDL_VERBATIM); + if ( dllShell32.IsLoaded() ) { - ::FreeLibrary(hModuleComCtl32) ; + s_verShell32 = CallDllGetVersion(dllShell32); + + if ( !s_verShell32 ) + { + // there doesn't seem to be any way to distinguish between 4.00 + // and 4.70 (starting from 4.71 we have DllGetVersion()) so + // just assume it is 4.0 + s_verShell32 = 400; + } + } + else // failed load the DLL? + { + s_verShell32 = 0; } } - return s_verComCtl32; -#endif + return s_verShell32; } +#else // !wxUSE_DYNLIB_CLASS + +/* static */ +int wxApp::GetComCtl32Version() +{ + return 0; +} + +/* static */ +int wxApp::GetShell32Version() +{ + return 0; +} + +#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS + +// ---------------------------------------------------------------------------- // Yield to incoming messages +// ---------------------------------------------------------------------------- bool wxApp::Yield(bool onlyIfNeeded) { // MT-FIXME - static bool s_inYield = FALSE; + static bool s_inYield = false; #if wxUSE_LOG // disable log flushing from here because a call to wxYield() shouldn't @@ -1411,10 +763,10 @@ bool wxApp::Yield(bool onlyIfNeeded) wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + return false; } - s_inYield = TRUE; + s_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 @@ -1426,7 +778,7 @@ bool wxApp::Yield(bool onlyIfNeeded) wxMutexGuiLeaveOrEnter(); #endif // wxUSE_THREADS - if ( !wxTheApp->DoMessage() ) + if ( !wxTheApp->Dispatch() ) break; } @@ -1438,30 +790,48 @@ bool wxApp::Yield(bool onlyIfNeeded) wxLog::Resume(); #endif // wxUSE_LOG - s_inYield = FALSE; + s_inYield = false; - return TRUE; + return true; } -bool wxHandleFatalExceptions(bool doit) +#if wxUSE_EXCEPTIONS + +// ---------------------------------------------------------------------------- +// exception handling +// ---------------------------------------------------------------------------- + +bool wxApp::OnExceptionInMainLoop() { -#if wxUSE_ON_FATAL_EXCEPTION - // assume this can only be called from the main thread - gs_handleExceptions = doit; + // ask the user about what to do: use the Win32 API function here as it + // could be dangerous to use any wxWidgets code in this state + switch ( + ::MessageBox + ( + NULL, + _T("An unhandled exception occurred. Press \"Abort\" to \ +terminate the program,\r\n\ +\"Retry\" to exit the program normally and \"Ignore\" to try to continue."), + _T("Unhandled exception"), + MB_ABORTRETRYIGNORE | + MB_ICONERROR| + MB_TASKMODAL + ) + ) + { + case IDABORT: + throw; - return TRUE; -#else - wxFAIL_MSG(_T("set wxUSE_ON_FATAL_EXCEPTION to 1 to use this function")); + default: + wxFAIL_MSG( _T("unexpected MessageBox() return code") ); + // fall through - (void)doit; - return FALSE; -#endif -} + case IDRETRY: + return false; -//----------------------------------------------------------------------------- + case IDIGNORE: + return true; + } +} -// 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(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__WINE__) && !defined(WXMAKINGDLL)) -#include "main.cpp" -#endif +#endif // wxUSE_EXCEPTIONS