X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/575cabba69600557a34a08ddefad66628296ffad..9cb80f3fa331228864ebc13188a0168da36a4998:/src/msw/app.cpp?ds=sidebyside diff --git a/src/msw/app.cpp b/src/msw/app.cpp index 31ce0f4bb4..324dd87457 100644 --- a/src/msw/app.cpp +++ b/src/msw/app.cpp @@ -50,6 +50,8 @@ #include "wx/dynlib.h" #include "wx/evtloop.h" #include "wx/thread.h" +#include "wx/scopeguard.h" +#include "wx/vector.h" #include "wx/msw/private.h" #include "wx/msw/dc.h" @@ -103,6 +105,9 @@ typedef HRESULT (CALLBACK* DLLGETVERSIONPROC)(DLLVERSIONINFO *); #endif // defined(DLLVERSIONINFO) +#ifndef ATTACH_PARENT_PROCESS + #define ATTACH_PARENT_PROCESS ((DWORD)-1) +#endif // --------------------------------------------------------------------------- // global variables @@ -112,19 +117,27 @@ extern void wxSetKeyboardHook(bool doIt); #endif -// NB: all "NoRedraw" classes must have the same names as the "normal" classes -// with NR suffix - wxWindow::MSWCreate() supposes this -#ifdef __WXWINCE__ -WXDLLIMPEXP_CORE wxChar *wxCanvasClassName; -WXDLLIMPEXP_CORE wxChar *wxCanvasClassNameNR; -#else -WXDLLIMPEXP_CORE const wxChar *wxCanvasClassName = NULL; -WXDLLIMPEXP_CORE const wxChar *wxCanvasClassNameNR = NULL; -#endif -WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassName = NULL; -WXDLLIMPEXP_CORE const wxChar *wxMDIFrameClassNameNoRedraw = NULL; -WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassName = NULL; -WXDLLIMPEXP_CORE const wxChar *wxMDIChildFrameClassNameNoRedraw = NULL; +// because of mingw32 4.3 bug this struct can't be inside the namespace below: +// see http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/110282 +struct ClassRegInfo +{ + ClassRegInfo(const wxChar *name) + : regname(name), + regnameNR(regname + wxApp::GetNoRedrawClassSuffix()) + { + } + + // the name of the registered class with and without CS_[HV]REDRAW styles + wxString regname; + wxString regnameNR; +}; + +namespace +{ + +wxVector gs_regClassesInfo; + +} // anonymous namespace // ---------------------------------------------------------------------------- // private functions @@ -189,11 +202,6 @@ void *wxGUIAppTraits::BeforeChildWaitLoop() return new ChildWaitLoopData(wd, winActive); } -void wxGUIAppTraits::AlwaysYield() -{ - wxYield(); -} - void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig) { wxEndBusyCursor(); @@ -225,14 +233,20 @@ bool wxGUIAppTraits::DoMessageFromThreadWait() return evtLoop->Dispatch(); } -DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread) +DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread, int flags) { - // 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() ) + // We only ever dispatch messages from the main thread and, additionally, + // even from the main thread we shouldn't wait for the message if we don't + // have a running event loop as we would never remove them from the message + // queue then and so we would enter an infinite loop as + // MsgWaitForMultipleObjects() keeps returning WAIT_OBJECT_0 + 1. + if ( flags == wxTHREAD_WAIT_BLOCK || + !wxIsMainThread() || + !wxEventLoop::GetActive() ) + { + // Simple blocking wait. return DoSimpleWaitForThread(hThread); + } return ::MsgWaitForMultipleObjects ( @@ -288,6 +302,8 @@ wxEventLoopBase* wxGUIAppTraits::CreateEventLoop() #ifndef __WXWINCE__ +#if wxUSE_DYNLIB_CLASS + #include namespace @@ -326,7 +342,7 @@ public: { if ( !::FreeConsole() ) { - wxLogLastError(_T("FreeConsole")); + wxLogLastError(wxT("FreeConsole")); } } } @@ -337,7 +353,7 @@ public: { if ( m_ok == -1 ) { - wxConsoleStderr * const self = wx_const_cast(wxConsoleStderr *, this); + wxConsoleStderr * const self = const_cast(this); self->m_ok = self->DoInit(); // no need to call IsHistoryUnchanged() as we just initialized @@ -385,7 +401,7 @@ private: GetConsoleCommandHistory_t m_pfnGetConsoleCommandHistory; GetConsoleCommandHistoryLength_t m_pfnGetConsoleCommandHistoryLength; - DECLARE_NO_COPY_CLASS(wxConsoleStderr) + wxDECLARE_NO_COPY_CLASS(wxConsoleStderr); }; bool wxConsoleStderr::DoInit() @@ -395,7 +411,7 @@ bool wxConsoleStderr::DoInit() if ( hStderr == INVALID_HANDLE_VALUE || !hStderr ) return false; - if ( !m_dllKernel32.Load(_T("kernel32.dll")) ) + if ( !m_dllKernel32.Load(wxT("kernel32.dll")) ) return false; typedef BOOL (WINAPI *AttachConsole_t)(DWORD dwProcessId); @@ -428,7 +444,7 @@ bool wxConsoleStderr::DoInit() if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) ) { - wxLogLastError(_T("GetConsoleScreenBufferInfo")); + wxLogLastError(wxT("GetConsoleScreenBufferInfo")); return false; } @@ -445,7 +461,7 @@ bool wxConsoleStderr::DoInit() if ( !::ReadConsoleOutputCharacterA(m_hStderr, buf, WXSIZEOF(buf), pos, &ret) ) { - wxLogLastError(_T("ReadConsoleOutputCharacterA")); + wxLogLastError(wxT("ReadConsoleOutputCharacterA")); return false; } } while ( wxStrncmp(" ", buf, WXSIZEOF(buf)) != 0 ); @@ -460,7 +476,7 @@ bool wxConsoleStderr::DoInit() if ( !::ReadConsoleOutputCharacterA(m_hStderr, m_data.data(), m_dataLen, pos, &ret) ) { - wxLogLastError(_T("ReadConsoleOutputCharacterA")); + wxLogLastError(wxT("ReadConsoleOutputCharacterA")); return false; } } @@ -471,16 +487,24 @@ bool wxConsoleStderr::DoInit() int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const { // these functions are internal and may only be called by cmd.exe - static const wxChar *CMD_EXE = _T("cmd.exe"); + static const wxChar *CMD_EXE = wxT("cmd.exe"); const int len = m_pfnGetConsoleCommandHistoryLength(CMD_EXE); if ( len ) { buf.extend(len); - const int len2 = m_pfnGetConsoleCommandHistory(buf.data(), len, CMD_EXE); + + int len2 = m_pfnGetConsoleCommandHistory(buf.data(), len, CMD_EXE); + +#if !wxUSE_UNICODE + // there seems to be a bug in the GetConsoleCommandHistoryA(), it + // returns the length of Unicode string and not ANSI one + len2 /= 2; +#endif // !wxUSE_UNICODE + if ( len2 != len ) { - wxFAIL_MSG( _T("failed getting history?") ); + wxFAIL_MSG( wxT("failed getting history?") ); } } @@ -489,7 +513,7 @@ int wxConsoleStderr::GetCommandHistory(wxWxCharBuffer& buf) const bool wxConsoleStderr::IsHistoryUnchanged() const { - wxASSERT_MSG( m_ok == 1, _T("shouldn't be called if not initialized") ); + wxASSERT_MSG( m_ok == 1, wxT("shouldn't be called if not initialized") ); // get (possibly changed) command history wxWxCharBuffer history; @@ -503,13 +527,13 @@ bool wxConsoleStderr::IsHistoryUnchanged() const bool wxConsoleStderr::Write(const wxString& text) { wxASSERT_MSG( m_hStderr != INVALID_HANDLE_VALUE, - _T("should only be called if Init() returned true") ); + wxT("should only be called if Init() returned true") ); // get current position CONSOLE_SCREEN_BUFFER_INFO csbi; if ( !::GetConsoleScreenBufferInfo(m_hStderr, &csbi) ) { - wxLogLastError(_T("GetConsoleScreenBufferInfo")); + wxLogLastError(wxT("GetConsoleScreenBufferInfo")); return false; } @@ -519,21 +543,21 @@ bool wxConsoleStderr::Write(const wxString& text) if ( !::SetConsoleCursorPosition(m_hStderr, csbi.dwCursorPosition) ) { - wxLogLastError(_T("SetConsoleCursorPosition")); + wxLogLastError(wxT("SetConsoleCursorPosition")); return false; } DWORD ret; - if ( !::FillConsoleOutputCharacter(m_hStderr, _T(' '), m_dataLen, + if ( !::FillConsoleOutputCharacter(m_hStderr, wxT(' '), m_dataLen, csbi.dwCursorPosition, &ret) ) { - wxLogLastError(_T("FillConsoleOutputCharacter")); + wxLogLastError(wxT("FillConsoleOutputCharacter")); return false; } if ( !::WriteConsole(m_hStderr, text.wx_str(), text.length(), &ret, NULL) ) { - wxLogLastError(_T("WriteConsole")); + wxLogLastError(wxT("WriteConsole")); return false; } @@ -556,6 +580,20 @@ bool wxGUIAppTraits::WriteToStderr(const wxString& text) return s_consoleStderr.IsOkToUse() && s_consoleStderr.Write(text); } +#else // !wxUSE_DYNLIB_CLASS + +bool wxGUIAppTraits::CanUseStderr() +{ + return false; +} + +bool wxGUIAppTraits::WriteToStderr(const wxString& WXUNUSED(text)) +{ + return false; +} + +#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS + #endif // !__WXWINCE__ // =========================================================================== @@ -599,20 +637,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv) // ensure that base cleanup is done if we return too early wxCallBaseCleanup callBaseCleanup(this); -#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(__WXMICROWIN__) InitCommonControls(); #endif // !defined(__WXMICROWIN__) @@ -629,8 +653,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv) wxOleInitialize(); - RegisterWindowClasses(); - #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__) wxSetKeyboardHook(true); #endif @@ -641,143 +663,93 @@ bool wxApp::Initialize(int& argc, wxChar **argv) } // --------------------------------------------------------------------------- -// RegisterWindowClasses +// Win32 window class registration // --------------------------------------------------------------------------- -// This function registers the given class name and stores a pointer to a -// heap-allocated copy of it at the specified location, it must be deleted -// later. -static void RegisterAndStoreClassName(const wxString& uniqueClassName, - const wxChar **className, - WNDCLASS *lpWndClass) +/* static */ +const wxChar *wxApp::GetRegisteredClassName(const wxChar *name, + int bgBrushCol, + int extraStyles) { - const size_t length = uniqueClassName.length() + 1; // for trailing NUL - wxChar *newChars = new wxChar[length]; - wxStrncpy(newChars, uniqueClassName, length); - *className = newChars; - lpWndClass->lpszClassName = *className; - - if ( !::RegisterClass(lpWndClass) ) + const size_t count = gs_regClassesInfo.size(); + for ( size_t n = 0; n < count; n++ ) { - wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"), newChars)); + if ( gs_regClassesInfo[n].regname == name ) + return gs_regClassesInfo[n].regname.c_str(); } -} - -// This function registers the class defined by the provided WNDCLASS struct -// contents using a unique name constructed from the specified base name and -// and a suffix unique to this library instance. It also stores the generated -// unique names for normal and "no redraw" versions of the class in the -// provided variables, caller must delete their contents later. -static void RegisterClassWithUniqueNames(const wxString& baseName, - const wxChar **className, - const wxChar **classNameNR, - WNDCLASS *lpWndClass) -{ - // for each class we register one with CS_(V|H)REDRAW style and one - // without for windows created with wxNO_FULL_REDRAW_ON_REPAINT flag - static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; - static const long styleNoRedraw = CS_DBLCLKS; - - const wxString uniqueSuffix(wxString::Format(wxT("@%p"), className)); - - wxString uniqueClassName(baseName + uniqueSuffix); - lpWndClass->style = styleNormal; - RegisterAndStoreClassName(uniqueClassName, className, lpWndClass); - - // NB: remember that code elsewhere supposes that no redraw class names - // use the same names as normal classes with "NR" suffix so we must put - // "NR" at the end instead of using more natural baseName+"NR"+suffix - wxString uniqueClassNameNR(uniqueClassName + wxT("NR")); - lpWndClass->style = styleNoRedraw; - RegisterAndStoreClassName(uniqueClassNameNR, classNameNR, lpWndClass); -} -// TODO we should only register classes really used by the app. For this it -// would be enough to just delay the class registration until an attempt -// to create a window of this class is made. -bool wxApp::RegisterWindowClasses() -{ + // we need to register this class WNDCLASS wndclass; wxZeroMemory(wndclass); - // the fields which are common to all classes wndclass.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass.hInstance = wxhInstance; - wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); - - // register the class for all normal windows and "no redraw" frames - wndclass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); - RegisterClassWithUniqueNames(wxT("wxWindowClass"), - &wxCanvasClassName, - &wxCanvasClassNameNR, - &wndclass); - - // Register the MDI frame window class and "no redraw" MDI frame - wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves - RegisterClassWithUniqueNames(wxT("wxMDIFrameClass"), - &wxMDIFrameClassName, - &wxMDIFrameClassNameNoRedraw, - &wndclass); - - // Register the MDI child frame window class and "no redraw" MDI child frame - wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1); - RegisterClassWithUniqueNames(wxT("wxMDIChildFrameClass"), - &wxMDIChildFrameClassName, - &wxMDIChildFrameClassNameNoRedraw, - &wndclass); + wndclass.hInstance = wxGetInstance(); + wndclass.hCursor = ::LoadCursor(NULL, IDC_ARROW); + wndclass.hbrBackground = (HBRUSH)wxUIntToPtr(bgBrushCol + 1); + wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | extraStyles; - return true; -} -// --------------------------------------------------------------------------- -// UnregisterWindowClasses -// --------------------------------------------------------------------------- - -// This function unregisters the class with the given name and frees memory -// allocated for it by RegisterAndStoreClassName(). -static bool UnregisterAndFreeClassName(const wxChar **ppClassName) -{ - bool retval = true; - - if ( !::UnregisterClass(*ppClassName, wxhInstance) ) + ClassRegInfo regClass(name); + wndclass.lpszClassName = regClass.regname.wx_str(); + if ( !::RegisterClass(&wndclass) ) { - wxLogLastError( - wxString::Format(wxT("UnregisterClass(%s)"), *ppClassName)); + wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"), + regClass.regname)); + return NULL; + } - retval = false; + wndclass.style &= ~(CS_HREDRAW | CS_VREDRAW); + wndclass.lpszClassName = regClass.regnameNR.wx_str(); + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxString::Format(wxT("RegisterClass(%s)"), + regClass.regname)); + ::UnregisterClass(regClass.regname.c_str(), wxGetInstance()); + return NULL; } - delete [] (wxChar*) *ppClassName; - *ppClassName = NULL; + gs_regClassesInfo.push_back(regClass); - return retval; + // take care to return the pointer which will remain valid after the + // function returns (it could be invalidated later if new elements are + // added to the vector and it's reallocated but this shouldn't matter as + // this pointer should be used right now, not stored) + return gs_regClassesInfo.back().regname.wx_str(); } -bool wxApp::UnregisterWindowClasses() +bool wxApp::IsRegisteredClassName(const wxString& name) { - bool retval = true; - -#ifndef __WXMICROWIN__ - if ( !UnregisterAndFreeClassName(&wxMDIFrameClassName) ) - retval = false; - - if ( !UnregisterAndFreeClassName(&wxMDIFrameClassNameNoRedraw) ) - retval = false; - - if ( !UnregisterAndFreeClassName(&wxMDIChildFrameClassName) ) - retval = false; + const size_t count = gs_regClassesInfo.size(); + for ( size_t n = 0; n < count; n++ ) + { + if ( gs_regClassesInfo[n].regname == name || + gs_regClassesInfo[n].regnameNR == name ) + return true; + } - if ( !UnregisterAndFreeClassName(&wxMDIChildFrameClassNameNoRedraw) ) - retval = false; + return false; +} - if ( !UnregisterAndFreeClassName(&wxCanvasClassName) ) - retval = false; +void wxApp::UnregisterWindowClasses() +{ + const size_t count = gs_regClassesInfo.size(); + for ( size_t n = 0; n < count; n++ ) + { + const ClassRegInfo& regClass = gs_regClassesInfo[n]; + if ( !::UnregisterClass(regClass.regname.c_str(), wxGetInstance()) ) + { + wxLogLastError(wxString::Format(wxT("UnregisterClass(%s)"), + regClass.regname)); + } - if ( !UnregisterAndFreeClassName(&wxCanvasClassNameNR) ) - retval = false; -#endif // __WXMICROWIN__ + if ( !::UnregisterClass(regClass.regnameNR.c_str(), wxGetInstance()) ) + { + wxLogLastError(wxString::Format(wxT("UnregisterClass(%s)"), + regClass.regnameNR)); + } + } - return retval; + gs_regClassesInfo.clear(); } void wxApp::CleanUp() @@ -799,11 +771,6 @@ void wxApp::CleanUp() // which case the registration will fail after the first time if we don't // unregister the classes now UnregisterWindowClasses(); - -#ifdef __WXWINCE__ - free( wxCanvasClassName ); - free( wxCanvasClassNameNR ); -#endif } // ---------------------------------------------------------------------------- @@ -864,6 +831,10 @@ void wxApp::WakeUpIdle() } } } +#if wxUSE_THREADS + else + wxWakeUpMainThread(); +#endif // wxUSE_THREADS } // ---------------------------------------------------------------------------- @@ -930,7 +901,7 @@ int CallDllGetVersion(wxDynamicLibrary& dll) HRESULT hr = (*pfnDllGetVersion)(&dvi); if ( FAILED(hr) ) { - wxLogApiError(_T("DllGetVersion"), hr); + wxLogApiError(wxT("DllGetVersion"), hr); return 0; } @@ -954,8 +925,11 @@ int wxApp::GetComCtl32Version() // we're prepared to handle the errors wxLogNull noLog; - // the DLL should really be available - wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM); + // we don't want to load comctl32.dll, it should be already loaded but, + // depending on the OS version and the presence of the manifest, it can + // be either v5 or v6 and instead of trying to guess it just get the + // handle of the already loaded version + wxLoadedDLL dllComCtl32(wxT("comctl32.dll")); if ( !dllComCtl32.IsLoaded() ) { s_verComCtl32 = 0; @@ -970,7 +944,7 @@ int wxApp::GetComCtl32Version() if ( !s_verComCtl32 ) { // InitCommonControlsEx is unique to 4.70 and later - void *pfn = dllComCtl32.GetSymbol(_T("InitCommonControlsEx")); + void *pfn = dllComCtl32.GetSymbol(wxT("InitCommonControlsEx")); if ( !pfn ) { // not found, must be 4.00 @@ -980,7 +954,7 @@ int wxApp::GetComCtl32Version() { // many symbols appeared in comctl32 4.71, could use any of // them except may be DllInstall() - pfn = dllComCtl32.GetSymbol(_T("InitializeFlatSB")); + pfn = dllComCtl32.GetSymbol(wxT("InitializeFlatSB")); if ( !pfn ) { // not found, must be 4.70 @@ -1007,7 +981,7 @@ int wxApp::GetShell32Version() // we're prepared to handle the errors wxLogNull noLog; - wxDynamicLibrary dllShell32(_T("shell32.dll"), wxDL_VERBATIM); + wxDynamicLibrary dllShell32(wxT("shell32.dll"), wxDL_VERBATIM); if ( dllShell32.IsLoaded() ) { s_verShell32 = CallDllGetVersion(dllShell32); @@ -1047,61 +1021,6 @@ int wxApp::GetShell32Version() #endif // !__WXWINCE__ -// ---------------------------------------------------------------------------- -// Yield to incoming messages -// ---------------------------------------------------------------------------- - -bool wxApp::Yield(bool onlyIfNeeded) -{ - // MT-FIXME - static bool s_inYield = false; - -#if wxUSE_LOG - // disable log flushing from here because a call to wxYield() shouldn't - // normally result in message boxes popping up &c - wxLog::Suspend(); -#endif // wxUSE_LOG - - if ( s_inYield ) - { - if ( !onlyIfNeeded ) - { - wxFAIL_MSG( wxT("wxYield called recursively" ) ); - } - - return false; - } - - 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 - wxEventLoopGuarantor dummyLoopIfNeeded; - MSG msg; - while ( PeekMessage(&msg, (HWND)0, 0, 0, PM_NOREMOVE) && - msg.message != WM_QUIT ) - { -#if wxUSE_THREADS - wxMutexGuiLeaveOrEnter(); -#endif // wxUSE_THREADS - - if ( !wxTheApp->Dispatch() ) - break; - } - - // if there are pending events, we must process them. - ProcessPendingEvents(); - -#if wxUSE_LOG - // let the logs be flashed again - wxLog::Resume(); -#endif // wxUSE_LOG - - s_inYield = false; - - return true; -} - #if wxUSE_EXCEPTIONS // ---------------------------------------------------------------------------- @@ -1116,10 +1035,10 @@ bool wxApp::OnExceptionInMainLoop() ::MessageBox ( NULL, - _T("An unhandled exception occurred. Press \"Abort\" to \ + wxT("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"), + wxT("Unhandled exception"), MB_ABORTRETRYIGNORE | MB_ICONERROR| MB_TASKMODAL @@ -1130,7 +1049,7 @@ terminate the program,\r\n\ throw; default: - wxFAIL_MSG( _T("unexpected MessageBox() return code") ); + wxFAIL_MSG( wxT("unexpected MessageBox() return code") ); // fall through case IDRETRY: