X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9779893b90e4ffbb036329c2411f15aff0a93295..fae5c452834a398c06a318e5da65cff7791eff2b:/src/msw/app.cpp diff --git a/src/msw/app.cpp b/src/msw/app.cpp index a184037d67..ed4d736788 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -67,14 +67,17 @@ #include "wx/resource.h" #endif -// OLE is used for drag-and-drop, clipboard, OLE Automation... -#ifndef wxUSE_NORLANDER_HEADERS -#if defined(__GNUWIN32__) || defined(__SC__) || defined(__SALFORDC__) +#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 -#endif #if wxUSE_OLE #include @@ -83,39 +86,61 @@ #include #include -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) #include #endif #include "wx/msw/msvcrt.h" +// ---------------------------------------------------------------------------- +// 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 + #include +#endif + // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- extern wxChar *wxBuffer; -extern wxChar *wxOsVersion; extern wxList *wxWinHandleList; extern wxList WXDLLEXPORT wxPendingDelete; extern void wxSetKeyboardHook(bool doIt); -extern wxCursor *g_globalCursor; -HINSTANCE wxhInstance = 0; MSG s_currentMsg; wxApp *wxTheApp = NULL; -// FIXME why not const? and not static? - // NB: all "NoRedraw" classes must have the same names as the "normal" classes // with NR suffix - wxWindow::MSWCreate() supposes this -wxChar wxFrameClassName[] = wxT("wxFrameClass"); -wxChar wxFrameClassNameNoRedraw[] = wxT("wxFrameClassNR"); -wxChar wxMDIFrameClassName[] = wxT("wxMDIFrameClass"); -wxChar wxMDIFrameClassNameNoRedraw[] = wxT("wxMDIFrameClassNR"); -wxChar wxMDIChildFrameClassName[] = wxT("wxMDIChildFrameClass"); -wxChar wxMDIChildFrameClassNameNoRedraw[] = wxT("wxMDIChildFrameClassNR"); -wxChar wxPanelClassName[] = wxT("wxPanelClass"); -wxChar wxCanvasClassName[] = wxT("wxCanvasClass"); +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; @@ -129,14 +154,18 @@ HBRUSH wxDisableButtonBrush = (HBRUSH) 0; LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); -#if defined(__WIN95__) && !defined(__TWIN32__) - #define wxUSE_RICHEDIT 1 -#else - #define wxUSE_RICHEDIT 0 -#endif - -#if wxUSE_RICHEDIT - static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL; +// 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 // =========================================================================== @@ -147,19 +176,38 @@ LRESULT WXDLLEXPORT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); // wxApp // --------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) +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 +BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) + EVT_IDLE(wxApp::OnIdle) + EVT_END_SESSION(wxApp::OnEndSession) + EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) +END_EVENT_TABLE() //// 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 + // Some people may wish to use this, but // probably it shouldn't be here by default. #ifdef __WXDEBUG__ @@ -170,10 +218,6 @@ bool wxApp::Initialize() wxClassInfo::InitializeClasses(); -#if wxUSE_RESOURCES - wxGetResource(wxT("wxWindows"), wxT("OsVersion"), &wxOsVersion); -#endif - #if wxUSE_THREADS wxPendingEventsLocker = new wxCriticalSection; #endif @@ -193,15 +237,6 @@ bool wxApp::Initialize() #if defined(__WIN95__) InitCommonControls(); -#if wxUSE_RICHEDIT - gs_hRichEdit = LoadLibrary(wxT("RICHED32.DLL")); - - if (gs_hRichEdit == (HINSTANCE) NULL) - { - wxLogError(_("Could not initialise Rich Edit DLL")); - } -#endif // wxUSE_RICHEDIT - #endif // __WIN95__ #if wxUSE_OLE @@ -224,8 +259,6 @@ 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")); @@ -259,7 +292,7 @@ bool wxApp::Initialize() // This is to foil optimizations in Visual C++ that throw out dummy.obj. // PLEASE DO NOT ALTER THIS. -#if defined(__VISUALC__) && !defined(WXMAKINGDLL) +#if defined(__VISUALC__) && defined(__WIN16__) && !defined(WXMAKINGDLL) extern char wxDummyChar; if (wxDummyChar) wxDummyChar++; #endif @@ -304,7 +337,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(frame)"); + wxLogLastError(wxT("RegisterClass(frame)")); return FALSE; } @@ -315,7 +348,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(no redraw frame)"); + wxLogLastError(wxT("RegisterClass(no redraw frame)")); return FALSE; } @@ -327,7 +360,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(MDI parent)"); + wxLogLastError(wxT("RegisterClass(MDI parent)")); return FALSE; } @@ -338,7 +371,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(no redraw MDI parent frame)"); + wxLogLastError(wxT("RegisterClass(no redraw MDI parent frame)")); return FALSE; } @@ -350,7 +383,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(MDI child)"); + wxLogLastError(wxT("RegisterClass(MDI child)")); return FALSE; } @@ -361,7 +394,7 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(no redraw MDI child)"); + wxLogLastError(wxT("RegisterClass(no redraw MDI child)")); return FALSE; } @@ -373,7 +406,18 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(panel)"); + 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; } @@ -384,7 +428,16 @@ bool wxApp::RegisterWindowClasses() if ( !RegisterClass(&wndclass) ) { - wxLogLastError("RegisterClass(canvas)"); + wxLogLastError(wxT("RegisterClass(canvas)")); + + return FALSE; + } + + wndclass.lpszClassName = wxCanvasClassNameNR; + wndclass.style = styleNoRedraw; + if ( !RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(no redraw canvas)")); return FALSE; } @@ -493,13 +546,6 @@ 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. @@ -517,15 +563,6 @@ void wxApp::CleanUp() wxSetKeyboardHook(FALSE); -#ifdef __WIN95__ - -#if wxUSE_RICHEDIT - if (gs_hRichEdit != (HINSTANCE) NULL) - FreeLibrary(gs_hRichEdit); -#endif - -#endif - #if wxUSE_PENWINDOWS wxCleanUpPenWin(); #endif @@ -564,7 +601,9 @@ void wxApp::CleanUp() #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 #endif wxClassInfo::CleanUpClasses(); @@ -579,7 +618,7 @@ 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(); } @@ -592,6 +631,27 @@ 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 @@ -600,7 +660,9 @@ 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, @@ -611,21 +673,26 @@ int wxEntry(WXHINSTANCE hInstance, // (another useful flag is _CRTDBG_DELAY_FREE_MEM_DF which doesn't free // deallocated memory which may be used to simulate low-memory condition) wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); +#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 in release build - // 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 - + // take everything into a try-except block to be able to call + // OnFatalException() if necessary +#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 @@ -648,7 +715,7 @@ 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 @@ -659,15 +726,33 @@ int wxEntry(WXHINSTANCE hInstance, int retValue = 0; - if ( wxTheApp->OnInit() ) + // 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 = 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. + { + // we want to initialize, but not run or exit immediately. return 1; + } } //else: app initialization failed, so we skipped OnRun() @@ -690,30 +775,25 @@ 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 ) + { + // give the user a chance to do something special about this wxTheApp->OnFatalException(); - */ - - // using wxLog would be unsafe here - ::MessageBox(NULL, - _("Unrecoverable program error detected: " - " the application will terminate."), - _("Fatal Error"), - MB_APPLMODAL | MB_ICONSTOP | MB_OK); + } ::ExitProcess(3); // the same exit code as abort() // NOTREACHED } -#endif // CATCH_PROGRAM_EXCEPTIONS +#endif // wxUSE_ON_FATAL_EXCEPTION } // restore warning state @@ -723,12 +803,14 @@ 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 @@ -746,7 +828,7 @@ int wxEntry(WXHINSTANCE hInstance) wxTheApp->argc = 0; wxTheApp->argv = NULL; - wxTheApp->OnInitGui(); + wxEntryInitGui(); wxTheApp->OnInit(); @@ -795,8 +877,7 @@ 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 } @@ -819,7 +900,7 @@ bool wxApp::DoMessage() else if ( rc == -1 ) { // should never happen, but let's test for it nevertheless - wxLogLastError("GetMessage"); + wxLogLastError(wxT("GetMessage")); } else { @@ -910,12 +991,10 @@ int wxApp::MainLoop() wxMutexGuiLeaveOrEnter(); #endif // wxUSE_THREADS - while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle() ) - { - } - + while ( !Pending() && ProcessIdle() ) + ; + // a message came or no more idle processing to do DoMessage(); } @@ -934,12 +1013,13 @@ bool wxApp::ProcessIdle() void wxApp::ExitMainLoop() { + // 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() @@ -957,23 +1037,35 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg) { MSG *msg = (MSG *)wxmsg; HWND hWnd = msg->hwnd; - wxWindow *wndThis = wxFindWinFromHandle((WXHWND)hWnd), *wnd; + wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd); - // 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 && !wndThis ) +#if wxUSE_TOOLTIPS + // we must relay WM_MOUSEMOVE events to the tooltip ctrl if we want it to + // popup the tooltip bubbles + if ( wndThis && (msg->message == WM_MOUSEMOVE) ) { - hWnd = ::GetParent(hWnd); - wndThis = wxFindWinFromHandle((WXHWND)hWnd); + wxToolTip *tt = wndThis->GetToolTip(); + if ( tt ) + { + tt->RelayEvent(wxmsg); + } } +#endif // wxUSE_TOOLTIPS // Try translations first; find the youngest window with // a translation table. + 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; } // Anyone for a non-translation message? Try youngest descendants first. @@ -996,14 +1088,21 @@ 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 @@ -1014,11 +1113,6 @@ 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; } @@ -1098,47 +1192,91 @@ void wxApp::OnQueryEndSession(wxCloseEvent& event) } } -int wxApp::GetComCtl32Version() const +/* static */ +int wxApp::GetComCtl32Version() { - // have we loaded COMCTL32 yet? - HMODULE theModule = ::GetModuleHandle(wxT("COMCTL32")); - int version = 0; + // cache the result + static int s_verComCtl32 = -1; + + wxCRIT_SECT_DECLARE(csComCtl32); + wxCRIT_SECT_LOCKER(lock, csComCtl32); - // if so, then we can check for the version - if (theModule) + 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; } void wxExit() @@ -1146,26 +1284,74 @@ void wxExit() wxLogError(_("Fatal error: exiting")); wxApp::CleanUp(); + exit(0); } // Yield to incoming messages + +static bool gs_inYield = FALSE; + bool wxYield() { + // disable log flushing from here because a call to wxYield() shouldn't + // normally result in message boxes popping up &c + wxLog::Suspend(); + +#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. - wxTheApp->ProcessPendingEvents(); + if (wxTheApp) + wxTheApp->ProcessPendingEvents(); + + // let the logs be flashed again + wxLog::Resume(); + + gs_inYield = FALSE; + + return TRUE; +} + +// Yield to incoming messages; but fail silently if recursion is detected. +bool wxYieldIfNeeded() +{ + 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 } //----------------------------------------------------------------------------- @@ -1176,11 +1362,16 @@ 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. + // 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 ) { - HWND hWnd = (HWND)topWindow->GetHWND(); - ::PostMessage(hWnd, WM_NULL, 0, 0); + if ( topWindow ) + { + if ( !::PostMessage(GetHwndOf(topWindow), WM_NULL, 0, 0) ) + { + // should never happen + wxLogLastError(wxT("PostMessage(WM_NULL)")); + } } } @@ -1209,19 +1400,8 @@ wxApp::GetStdIcon(int which) const } } - -HINSTANCE wxGetInstance() -{ - return wxhInstance; -} - -void wxSetInstance(HINSTANCE hInst) -{ - wxhInstance = hInst; -} - // 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(__TWIN32__)) +#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL)) #include "main.cpp" #endif