X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b6c588e1a65704bd5f3707b0e691a957ad43a148..8e792b543213d58beac8e230d914881b740e1884:/src/msw/app.cpp diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 44e9132bb9..a564b6033f 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -71,14 +71,13 @@ #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS -// OLE is used for drag-and-drop, clipboard, OLE Automation... -#ifndef wxUSE_NORLANDER_HEADERS -#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__) +// 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 -#endif #if wxUSE_OLE #include @@ -87,7 +86,7 @@ #include #include -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) #include #endif @@ -127,7 +126,6 @@ extern wxChar *wxOsVersion; extern wxList *wxWinHandleList; extern wxList WXDLLEXPORT wxPendingDelete; extern void wxSetKeyboardHook(bool doIt); -extern wxCursor *g_globalCursor; MSG s_currentMsg; wxApp *wxTheApp = NULL; @@ -141,7 +139,9 @@ 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; @@ -155,6 +155,10 @@ HBRUSH wxDisableButtonBrush = (HBRUSH) 0; LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); +#if wxUSE_ON_FATAL_EXCEPTION + static bool gs_handleExceptions = FALSE; +#endif + // =========================================================================== // implementation // =========================================================================== @@ -229,8 +233,6 @@ bool wxApp::Initialize() Ctl3dAutoSubclass(wxhInstance); #endif - g_globalCursor = new wxCursor; - // VZ: these icons are not in wx.rc anyhow (but should they?)! #if 0 wxSTD_FRAME_ICON = LoadIcon(wxhInstance, wxT("wxSTD_FRAME")); @@ -383,6 +385,17 @@ bool wxApp::RegisterWindowClasses() return FALSE; } + // Register the no redraw panel window class. + wndclass.lpszClassName = wxPanelClassNameNR; + wndclass.style = styleNoRedraw; + + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError("RegisterClass(no redraw panel)"); + + return FALSE; + } + // Register the canvas and textsubwindow class name wndclass.hbrBackground = (HBRUSH)NULL; wndclass.lpszClassName = wxCanvasClassName; @@ -394,6 +407,15 @@ bool wxApp::RegisterWindowClasses() return FALSE; } + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError("RegisterClass(no redraw canvas)"); + + return FALSE; + } + return TRUE; } @@ -498,13 +520,6 @@ void wxApp::CleanUp() // wxDefaultResourceTable->ClearTable(); #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; - g_globalCursor = NULL; - wxDeleteStockObjects(); // Destroy all GDI lists, etc. @@ -575,7 +590,7 @@ void wxApp::CleanUp() // wxDebugContext, too. if (wxDebugContext::CountObjectsLeft(TRUE) > 0) { - wxLogDebug(wxT("There were memory leaks.")); + wxLogMessage(wxT("There were memory leaks.")); wxDebugContext::Dump(); wxDebugContext::PrintStatistics(); } @@ -588,6 +603,27 @@ void wxApp::CleanUp() #endif // wxUSE_LOG } +//---------------------------------------------------------------------- +// Entry point helpers, used by wxPython +//---------------------------------------------------------------------- + +int WXDLLEXPORT wxEntryStart( int WXUNUSED(argc), char** WXUNUSED(argv) ) +{ + return wxApp::Initialize(); +} + +int WXDLLEXPORT wxEntryInitGui() +{ + wxTheApp->OnInitGui(); + return 0; +} + +void WXDLLEXPORT wxEntryCleanup() +{ + wxApp::CleanUp(); +} + + #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) // temporarily disable this warning which would be generated in release builds @@ -596,7 +632,9 @@ void wxApp::CleanUp() #pragma warning(disable: 4715) // not all control paths return a value #endif // Visual C++ -//// Main wxWindows entry point +//---------------------------------------------------------------------- +// Main wxWindows entry point +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance, WXHINSTANCE WXUNUSED(hPrevInstance), char *lpCmdLine, @@ -618,20 +656,24 @@ int wxEntry(WXHINSTANCE hInstance, wxDebugContext::SetCheckpoint(); #endif #endif - // take everything into a try-except block in release build + + // take everything into a try-except block to be able to call + // OnFatalException() if necessary + // FIXME other compilers must support Win32 SEH (structured exception // handling) too, just find the appropriate keyword in their docs! // Please note that it's _not_ the same as C++ exceptions! -#if !defined(__WXDEBUG__) && defined(__VISUALC__) - #define CATCH_PROGRAM_EXCEPTIONS +#ifndef __VISUALC__ + #undef wxUSE_ON_FATAL_EXCEPTION + #define wxUSE_ON_FATAL_EXCEPTION 0 +#endif // VC++ +#if wxUSE_ON_FATAL_EXCEPTION __try { -#else - #undef CATCH_PROGRAM_EXCEPTIONS #endif wxhInstance = (HINSTANCE) hInstance; - if (!wxApp::Initialize()) + if (!wxEntryStart(0,0)) return 0; // create the application object or ensure that one already exists @@ -654,7 +696,7 @@ int wxEntry(WXHINSTANCE hInstance, // GUI-specific initialisation. In fact on Windows we don't have any, // but this call is provided for compatibility across platforms. - wxTheApp->OnInitGui(); + wxEntryInitGui(); // 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 @@ -696,17 +738,16 @@ int wxEntry(WXHINSTANCE hInstance, wxTheApp->OnExit(); - wxApp::CleanUp(); + wxEntryCleanup(); return retValue; -#ifdef CATCH_PROGRAM_EXCEPTIONS +#if wxUSE_ON_FATAL_EXCEPTION } - __except ( EXCEPTION_EXECUTE_HANDLER ) { - /* - if ( wxTheApp ) + __except ( gs_handleExceptions ? EXCEPTION_EXECUTE_HANDLER + : EXCEPTION_CONTINUE_SEARCH ) { + if ( wxTheApp ) wxTheApp->OnFatalException(); - */ // using wxLog would be unsafe here ::MessageBox(NULL, @@ -719,7 +760,7 @@ int wxEntry(WXHINSTANCE hInstance, // NOTREACHED } -#endif // CATCH_PROGRAM_EXCEPTIONS +#endif // wxUSE_ON_FATAL_EXCEPTION } // restore warning state @@ -729,12 +770,14 @@ int wxEntry(WXHINSTANCE hInstance, #else /* _WINDLL */ -//// Entry point for DLLs +//---------------------------------------------------------------------- +// Entry point for wxWindows + the App in a DLL +//---------------------------------------------------------------------- int wxEntry(WXHINSTANCE hInstance) { wxhInstance = (HINSTANCE) hInstance; - wxApp::Initialize(); + 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 @@ -752,7 +795,7 @@ int wxEntry(WXHINSTANCE hInstance) wxTheApp->argc = 0; wxTheApp->argv = NULL; - wxTheApp->OnInitGui(); + wxEntryInitGui(); wxTheApp->OnInit(); @@ -801,8 +844,7 @@ bool wxApp::Initialized() return TRUE; else return FALSE; -#endif -#ifdef _WINDLL // Assume initialized if DLL (no way of telling) +#else // Assume initialized if DLL (no way of telling) return TRUE; #endif } @@ -1006,14 +1048,21 @@ void wxApp::OnIdle(wxIdleEvent& event) 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 *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + wxLog::FlushActive(); #endif // wxUSE_LOG // Send OnIdle events to all windows @@ -1024,11 +1073,6 @@ void wxApp::OnIdle(wxIdleEvent& event) event.RequestMore(TRUE); } - // If they 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(); - s_inOnIdle = FALSE; } @@ -1208,26 +1252,52 @@ void wxExit() wxLogError(_("Fatal error: exiting")); wxApp::CleanUp(); + exit(0); } // Yield to incoming messages bool wxYield() { + // disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + wxLog::Suspend(); + // 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. - wxTheApp->ProcessPendingEvents(); + if (wxTheApp) + wxTheApp->ProcessPendingEvents(); + + // let the logs be flashed again + wxLog::Resume(); + + return TRUE; +} + +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")); + + return FALSE; +#endif } //-----------------------------------------------------------------------------