X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0ed460c2e7802793d591c84f3cfdbff159c5549..cb6827a8c645a883a2d2a7b117a50609d706ccce:/src/msw/app.cpp?ds=sidebyside diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 76458c15a6..cbf871abde 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -33,44 +33,50 @@ #include "wx/dc.h" #include "wx/dialog.h" #include "wx/msgdlg.h" + #include "wx/intl.h" + #include "wx/dynarray.h" #endif #include "wx/msw/private.h" #include "wx/log.h" #include "wx/module.h" +#if wxUSE_THREADS + #include "wx/thread.h" + + // define the array of MSG strutures + WX_DECLARE_OBJARRAY(MSG, wxMsgArray); + + #include "wx/arrimpl.cpp" + + WX_DEFINE_OBJARRAY(wxMsgArray); +#endif // wxUSE_THREADS + #if wxUSE_WX_RESOURCES #include "wx/resource.h" #endif +// To UG: there's no point in putting this #if here +// if you don't do the same for the Ole calls further down. +// Also, OLE is used not just for drag and drop (it's used by automatn.cpp). +// #if wxUSE_DRAG_AND_DROP +#if !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) + #include +#endif + #include #include -#if defined(__WIN95__) && !defined(__GNUWIN32__) +#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) #include #endif -// use debug CRT functions for memory leak detections in VC++ if we're not -// using wxWindows own methods -#if defined(__WXDEBUG__) && defined(_MSC_VER) && !wxUSE_GLOBAL_MEMORY_OPERATORS && !defined(__NO_VC_CRTDBG__) - #define wxUSE_VC_CRTDBG -#else - #undef wxUSE_VC_CRTDBG -#endif - -#ifdef wxUSE_VC_CRTDBG - // VC++ uses this macro as debug/release mode indicator - #ifndef _DEBUG - #define _DEBUG - #endif - - #include -#endif +#include "wx/msw/msvcrt.h" extern char *wxBuffer; extern char *wxOsVersion; extern wxList *wxWinHandleList; -extern wxList wxPendingDelete; +extern wxList WXDLLEXPORT wxPendingDelete; extern void wxSetKeyboardHook(bool doIt); extern wxCursor *g_globalCursor; @@ -85,15 +91,15 @@ char wxMDIChildFrameClassName[] = "wxMDIChildFrameClass"; char wxPanelClassName[] = "wxPanelClass"; char wxCanvasClassName[] = "wxCanvasClass"; -HICON wxSTD_FRAME_ICON = NULL; -HICON wxSTD_MDICHILDFRAME_ICON = NULL; -HICON wxSTD_MDIPARENTFRAME_ICON = NULL; +HICON wxSTD_FRAME_ICON = (HICON) NULL; +HICON wxSTD_MDICHILDFRAME_ICON = (HICON) NULL; +HICON wxSTD_MDIPARENTFRAME_ICON = (HICON) NULL; -HICON wxDEFAULT_FRAME_ICON = NULL; -HICON wxDEFAULT_MDICHILDFRAME_ICON = NULL; -HICON wxDEFAULT_MDIPARENTFRAME_ICON = NULL; +HICON wxDEFAULT_FRAME_ICON = (HICON) NULL; +HICON wxDEFAULT_MDICHILDFRAME_ICON = (HICON) NULL; +HICON wxDEFAULT_MDIPARENTFRAME_ICON = (HICON) NULL; -HBRUSH wxDisableButtonBrush = 0; +HBRUSH wxDisableButtonBrush = (HBRUSH) 0; LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); @@ -109,22 +115,27 @@ LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM); long wxApp::sm_lastMessageTime = 0; -#ifdef __WIN95__ - static HINSTANCE gs_hRichEdit = NULL; +#if defined(__WIN95__) && !defined(__TWIN32__) +#define wxUSE_RICHEDIT 1 +#else +#define wxUSE_RICHEDIT 0 +#endif + +#if wxUSE_RICHEDIT + static HINSTANCE gs_hRichEdit = (HINSTANCE) NULL; #endif //// Initialize bool wxApp::Initialize() { - wxBuffer = new char[1500]; + // Some people may wish to use this, but + // probably it shouldn't be here by default. +#ifdef __WXDEBUG__ +// wxRedirectIOToConsole(); +#endif -#ifdef wxUSE_VC_CRTDBG - // 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) - _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF); -#endif // debug build under MS VC++ + wxBuffer = new char[1500]; wxClassInfo::InitializeClasses(); @@ -146,23 +157,27 @@ bool wxApp::Initialize() #if defined(__WIN95__) InitCommonControls(); + +#if wxUSE_RICHEDIT gs_hRichEdit = LoadLibrary("RICHED32.DLL"); - if (gs_hRichEdit == NULL) + if (gs_hRichEdit == (HINSTANCE) NULL) { wxMessageBox("Could not initialise Rich Edit DLL"); } +#endif + #endif int iMsg = 96; - + // for OLE, enlarge message queue to be as large as possible while (!SetMessageQueue(iMsg) && (iMsg -= 8)); /* DWORD dwOleVer; dwOleVer = CoBuildVersion(); - + // check the OLE library version if (rmm != HIWORD(dwOleVer)) { @@ -170,12 +185,14 @@ bool wxApp::Initialize() return FALSE; } */ - + +#if !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) // we need to initialize OLE library if ( FAILED(::OleInitialize(NULL)) ) wxFatalError(_("Cannot initialize OLE")); +#endif -#if CTL3D +#if wxUSE_CTL3D if (!Ctl3dRegister(wxhInstance)) wxFatalError("Cannot register CTL3D"); @@ -208,9 +225,9 @@ bool wxApp::Initialize() wxWinHandleList = new wxList(wxKEY_INTEGER); - // This is to foil optimizations in Visual C++ that - // throw out dummy.obj. -#if (_MSC_VER >= 800) && !defined(WXMAKINGDLL) + // This is to foil optimizations in Visual C++ that throw out dummy.obj. + // PLEASE DO NOT ALTER THIS. +#if defined(__VISUALC__) && !defined(WXMAKINGDLL) extern char wxDummyChar; if (wxDummyChar) wxDummyChar++; #endif @@ -236,8 +253,8 @@ bool wxApp::RegisterWindowClasses() wndclass.cbClsExtra = 0; wndclass.cbWndExtra = sizeof( DWORD ); // was 4 wndclass.hInstance = wxhInstance; - wndclass.hIcon = NULL; // wxSTD_FRAME_ICON; - wndclass.hCursor = LoadCursor( NULL, IDC_ARROW ); + wndclass.hIcon = (HICON) NULL; // wxSTD_FRAME_ICON; + wndclass.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW ); wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ; // wndclass.hbrBackground = GetStockObject( WHITE_BRUSH ); wndclass.lpszMenuName = NULL; @@ -260,10 +277,10 @@ bool wxApp::RegisterWindowClasses() wndclass1.cbClsExtra = 0; wndclass1.cbWndExtra = sizeof( DWORD ); // was 4 wndclass1.hInstance = wxhInstance; - wndclass1.hIcon = NULL; // wxSTD_MDIPARENTFRAME_ICON; - wndclass1.hCursor = LoadCursor( NULL, IDC_ARROW ); + wndclass1.hIcon = (HICON) NULL; // wxSTD_MDIPARENTFRAME_ICON; + wndclass1.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW ); // wndclass1.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE+1) ; - wndclass1.hbrBackground = NULL; + wndclass1.hbrBackground = (HBRUSH) NULL; wndclass1.lpszMenuName = NULL; wndclass1.lpszClassName = wxMDIFrameClassName; @@ -282,8 +299,8 @@ bool wxApp::RegisterWindowClasses() wndclass4.cbClsExtra = 0; wndclass4.cbWndExtra = sizeof( DWORD ); // was 4 wndclass4.hInstance = wxhInstance; - wndclass4.hIcon = NULL; // wxSTD_MDICHILDFRAME_ICON; - wndclass4.hCursor = LoadCursor( NULL, IDC_ARROW ); + wndclass4.hIcon = (HICON) NULL; // wxSTD_MDICHILDFRAME_ICON; + wndclass4.hCursor = LoadCursor( (HINSTANCE) NULL, IDC_ARROW ); // TODO: perhaps this should be NULL so that Windows doesn't // paint the background itself (would OnEraseBackground duplicate // this?) @@ -309,8 +326,8 @@ bool wxApp::RegisterWindowClasses() wndclass2.cbClsExtra = 0; wndclass2.cbWndExtra = sizeof( DWORD ); // was 4 wndclass2.hInstance = wxhInstance; - wndclass2.hIcon = NULL; - wndclass2.hCursor = NULL; + wndclass2.hIcon = (HICON) NULL; + wndclass2.hCursor = (HCURSOR) NULL; // wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ; wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH ); wndclass2.lpszMenuName = NULL; @@ -334,10 +351,10 @@ bool wxApp::RegisterWindowClasses() wndclass3.cbClsExtra = 0; wndclass3.cbWndExtra = sizeof( DWORD ); // was 4 wndclass3.hInstance = wxhInstance; - wndclass3.hIcon = NULL; - wndclass3.hCursor = NULL; + wndclass3.hIcon = (HICON) NULL; + wndclass3.hCursor = (HCURSOR) NULL; // wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ; - wndclass3.hbrBackground = NULL; + wndclass3.hbrBackground = (HBRUSH) NULL; wndclass3.lpszMenuName = NULL; wndclass3.lpszClassName = wxCanvasClassName; if (!RegisterClass( &wndclass3)) @@ -428,6 +445,15 @@ void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine) void wxApp::CleanUp() { //// COMMON CLEANUP + + // flush the logged messages if any + wxLog *pLog = wxLog::GetActiveTarget(); + if ( pLog != NULL && pLog->HasPendingMessages() ) + pLog->Flush(); + + // One last chance for pending objects to be cleaned up + wxTheApp->DeletePendingObjects(); + wxModule::CleanUpModules(); #if wxUSE_WX_RESOURCES @@ -461,10 +487,14 @@ void wxApp::CleanUp() wxSetKeyboardHook(FALSE); #ifdef __WIN95__ - if (gs_hRichEdit != NULL) + +#if wxUSE_RICHEDIT + if (gs_hRichEdit != (HINSTANCE) NULL) FreeLibrary(gs_hRichEdit); #endif +#endif + #if wxUSE_PENWINDOWS wxCleanUpPenWin(); #endif @@ -486,9 +516,11 @@ void wxApp::CleanUp() if ( wxDisableButtonBrush ) ::DeleteObject( wxDisableButtonBrush ) ; +#if !defined(__GNUWIN32__) && !defined(__SC__) && !defined(__SALFORDC__) ::OleUninitialize(); +#endif -#if CTL3D +#if wxUSE_CTL3D Ctl3dUnregister(wxhInstance); #endif @@ -521,6 +553,11 @@ void wxApp::CleanUp() #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL)) +// temporarily disable this warning +#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), @@ -528,8 +565,21 @@ int wxEntry(WXHINSTANCE hInstance, int nCmdShow, bool enterLoop) { -#ifndef __WXDEBUG__ // take everything into a try-except block in release build - try { + // 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) + wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF); + + // 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 + + __try { +#else + #undef CATCH_PROGRAM_EXCEPTIONS #endif wxhInstance = (HINSTANCE) hInstance; @@ -567,6 +617,9 @@ int wxEntry(WXHINSTANCE hInstance, { retValue = wxTheApp->OnRun(); } + else + // We want to initialize, but not run or exit immediately. + return 1; } //else: app initialization failed, so we skipped OnRun() @@ -589,28 +642,30 @@ int wxEntry(WXHINSTANCE hInstance, wxTheApp->OnExit(); - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); - - wxApp::CleanUp(); return retValue; -#ifndef __WXDEBUG__ // catch exceptions only in release build + +#ifdef CATCH_PROGRAM_EXCEPTIONS } - except ( EXCEPTION_EXECUTE_HANDLER ) { + __except ( EXCEPTION_EXECUTE_HANDLER ) { /* if ( wxTheApp ) wxTheApp->OnFatalException(); */ ::ExitProcess(3); // the same exit code as abort() + + // NOTREACHED } -#endif //debug +#endif // CATCH_PROGRAM_EXCEPTIONS } +// restore warning state +#ifdef __VISUALC__ + #pragma warning(default: 4715) // not all control paths return a value +#endif // Visual C++ + #else /* _WINDLL */ //// Entry point for DLLs @@ -703,24 +758,88 @@ bool wxApp::Initialized() /* * Get and process a message, returning FALSE if WM_QUIT - * received. + * received (and also set the flag telling the app to exit the main loop) * */ bool wxApp::DoMessage() { - if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0)) - { - return FALSE; - } + BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0); + if ( rc == 0 ) + { + // got WM_QUIT + m_keepGoing = FALSE; - // Process the message - if (!ProcessMessage((WXMSG *)&s_currentMsg)) - { - ::TranslateMessage(&s_currentMsg); - wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */ - ::DispatchMessage(&s_currentMsg); - } - return TRUE; + return FALSE; + } + else if ( rc == -1 ) + { + // should never happen, but let's test for it nevertheless + wxLogLastError("GetMessage"); + } + else + { +#if wxUSE_THREADS + wxASSERT_MSG( wxThread::IsMain(), + "only the main thread can process Windows messages" ); + + static bool s_hadGuiLock = TRUE; + static wxMsgArray s_aSavedMessages; + + // if a secondary thread owns is doing GUI calls, save all messages for + // later processing - we can't process them right now because it will + // lead to recursive library calls (and we're not reentrant) + if ( !wxGuiOwnedByMainThread() ) + { + s_hadGuiLock = FALSE; + + // leave out WM_COMMAND messages: too dangerous, sometimes + // the message will be processed twice + if ( !wxIsWaitingForThread() || + s_currentMsg.message != WM_COMMAND ) + { + s_aSavedMessages.Add(s_currentMsg); + } + + return TRUE; + } + else + { + // have we just regained the GUI lock? if so, post all of the saved + // messages + // + // FIXME of course, it's not _exactly_ the same as processing the + // messages normally - expect some things to break... + if ( !s_hadGuiLock ) + { + s_hadGuiLock = TRUE; + + size_t count = s_aSavedMessages.Count(); + for ( size_t n = 0; n < count; n++ ) + { + MSG& msg = s_aSavedMessages[n]; + + if ( !ProcessMessage((WXMSG *)&msg) ) + { + ::TranslateMessage(&msg); + ::DispatchMessage(&msg); + } + } + + s_aSavedMessages.Empty(); + } + } +#endif // wxUSE_THREADS + + // Process the message + if ( !ProcessMessage((WXMSG *)&s_currentMsg) ) + { + ::TranslateMessage(&s_currentMsg); + wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */ + ::DispatchMessage(&s_currentMsg); + } + } + + return TRUE; } /* @@ -740,12 +859,19 @@ bool wxApp::DoMessage() int wxApp::MainLoop() { m_keepGoing = TRUE; - while (m_keepGoing) + + while ( m_keepGoing ) { - while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && - ProcessIdle()) {} - if (!DoMessage()) - m_keepGoing = FALSE; + #if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); + #endif // wxUSE_THREADS + + while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) && + ProcessIdle() ) + { + } + + DoMessage(); } return s_currentMsg.wParam; @@ -773,8 +899,7 @@ bool wxApp::Pending() void wxApp::Dispatch() { - if (!DoMessage()) - m_keepGoing = FALSE; + DoMessage(); } /* @@ -790,7 +915,7 @@ bool wxApp::ProcessMessage(WXMSG *Msg) // Try translations first; find the youngest window with // a translation table. - for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd)) + for (hWnd = msg->hwnd; hWnd != (HWND) NULL; hWnd = ::GetParent(hWnd)) { wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd); if (wnd) @@ -801,7 +926,7 @@ bool wxApp::ProcessMessage(WXMSG *Msg) } // Anyone for a non-translation message? Try youngest descendants first. - for (hWnd = msg->hwnd; hWnd != NULL; hWnd = ::GetParent(hWnd)) + for (hWnd = msg->hwnd; hWnd != (HWND) NULL; hWnd = ::GetParent(hWnd)) { wxWindow *wnd = wxFindWinFromHandle((WXHWND) hWnd); if (wnd) @@ -815,45 +940,47 @@ bool wxApp::ProcessMessage(WXMSG *Msg) void wxApp::OnIdle(wxIdleEvent& event) { - static bool inOnIdle = FALSE; - - // Avoid recursion (via ProcessEvent default case) - if (inOnIdle) - return; + static bool s_inOnIdle = FALSE; - inOnIdle = TRUE; + // Avoid recursion (via ProcessEvent default case) + if ( s_inOnIdle ) + return; - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); + s_inOnIdle = TRUE; - // flush the logged messages if any - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->HasPendingMessages() ) - pLog->Flush(); + // 'Garbage' collection of windows deleted with Close(). + DeletePendingObjects(); - // Send OnIdle events to all windows - bool needMore = SendIdleEvents(); -// bool needMore = FALSE; + // flush the logged messages if any + wxLog *pLog = wxLog::GetActiveTarget(); + if ( pLog != NULL && pLog->HasPendingMessages() ) + pLog->Flush(); - if (needMore) - event.RequestMore(TRUE); + // Send OnIdle events to all windows + if ( SendIdleEvents() ) + { + // SendIdleEvents() returns TRUE if at least one window requested more + // idle events + event.RequestMore(TRUE); + } - inOnIdle = FALSE; + s_inOnIdle = FALSE; } // Send idle event to all top-level windows bool wxApp::SendIdleEvents() { bool needMore = FALSE; - wxNode* node = wxTopLevelWindows.First(); - while (node) - { - wxWindow* win = (wxWindow*) node->Data(); - if (SendIdleEvents(win)) + wxNode* node = wxTopLevelWindows.First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + if (SendIdleEvents(win)) needMore = TRUE; - node = node->Next(); - } + node = node->Next(); + } + return needMore; } @@ -899,7 +1026,7 @@ void wxApp::DeletePendingObjects() } } -void wxApp::OnEndSession(wxCloseEvent& event) +void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event)) { if (GetTopWindow()) GetTopWindow()->Close(TRUE); @@ -988,7 +1115,7 @@ bool wxYield() // if we see a WM_QUIT. (?) while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT) { - if (!wxTheApp->DoMessage()) + if ( !wxTheApp->DoMessage() ) break; } @@ -1002,6 +1129,6 @@ HINSTANCE wxGetInstance() // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly // if in a separate file. So include it here to ensure it's linked. -#if (defined(_MSC_VER) && !defined(__WIN32__)) || defined(__GNUWIN32__) +#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__)) #include "main.cpp" #endif