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These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QFUNCTIONS_WINRT_H #define QFUNCTIONS_WINRT_H #include #ifdef Q_OS_WIN #include #include #include QT_BEGIN_NAMESPACE #ifdef QT_BUILD_CORE_LIB #endif QT_END_NAMESPACE #ifdef Q_OS_WINRT // Environment ------------------------------------------------------ errno_t qt_winrt_getenv_s(size_t*, char*, size_t, const char*); errno_t qt_winrt__putenv_s(const char*, const char*); void qt_winrt_tzset(); void qt_winrt__tzset(); // As Windows Runtime lacks some standard functions used in Qt, these got // reimplemented. Other projects do this as well. Inline functions are used // that there is a central place to disable functions for newer versions if // they get available. There are no defines used anymore, because this // will break member functions of classes which are called like these // functions. // The other declarations available in this file are being used per // define inside qplatformdefs.h of the corresponding WinRT mkspec. #define generate_inline_return_func0(funcname, returntype) \ inline returntype funcname() \ { \ return qt_winrt_##funcname(); \ } #define generate_inline_return_func1(funcname, returntype, param1) \ inline returntype funcname(param1 p1) \ { \ return qt_winrt_##funcname(p1); \ } #define generate_inline_return_func2(funcname, returntype, param1, param2) \ inline returntype funcname(param1 p1, param2 p2) \ { \ return qt_winrt_##funcname(p1, p2); \ } #define generate_inline_return_func3(funcname, returntype, param1, param2, param3) \ inline returntype funcname(param1 p1, param2 p2, param3 p3) \ { \ return qt_winrt_##funcname(p1, p2, p3); \ } #define generate_inline_return_func4(funcname, returntype, param1, param2, param3, param4) \ inline returntype funcname(param1 p1, param2 p2, param3 p3, param4 p4) \ { \ return qt_winrt_##funcname(p1, p2, p3, p4); \ } #define generate_inline_return_func5(funcname, returntype, param1, param2, param3, param4, param5) \ inline returntype funcname(param1 p1, param2 p2, param3 p3, param4 p4, param5 p5) \ { \ return qt_winrt_##funcname(p1, p2, p3, p4, p5); \ } #define generate_inline_return_func6(funcname, returntype, param1, param2, param3, param4, param5, param6) \ inline returntype funcname(param1 p1, param2 p2, param3 p3, param4 p4, param5 p5, param6 p6) \ { \ return qt_winrt_##funcname(p1, p2, p3, p4, p5, p6); \ } #define generate_inline_return_func7(funcname, returntype, param1, param2, param3, param4, param5, param6, param7) \ inline returntype funcname(param1 p1, param2 p2, param3 p3, param4 p4, param5 p5, param6 p6, param7 p7) \ { \ return qt_winrt_##funcname(p1, p2, p3, p4, p5, p6, p7); \ } typedef unsigned (__stdcall *StartAdressExFunc)(void *); typedef void(*StartAdressFunc)(void *); typedef int ( __cdecl *CompareFunc ) (const void *, const void *) ; generate_inline_return_func4(getenv_s, errno_t, size_t *, char *, size_t, const char *) generate_inline_return_func2(_putenv_s, errno_t, const char *, const char *) generate_inline_return_func0(tzset, void) generate_inline_return_func0(_tzset, void) #endif // Q_OS_WINRT // Convenience macros for handling HRESULT values #define RETURN_IF_FAILED(msg, ret) \ if (FAILED(hr)) { \ qErrnoWarning(hr, msg); \ ret; \ } #define RETURN_HR_IF_FAILED(msg) RETURN_IF_FAILED(msg, return hr) #define RETURN_OK_IF_FAILED(msg) RETURN_IF_FAILED(msg, return S_OK) #define RETURN_FALSE_IF_FAILED(msg) RETURN_IF_FAILED(msg, return false) #define RETURN_VOID_IF_FAILED(msg) RETURN_IF_FAILED(msg, return) #define Q_ASSERT_SUCCEEDED(hr) \ Q_ASSERT_X(SUCCEEDED(hr), Q_FUNC_INFO, qPrintable(qt_error_string(hr))); namespace Microsoft { namespace WRL { template class ComPtr; } } namespace QWinRTFunctions { // Synchronization methods enum AwaitStyle { YieldThread = 0, ProcessThreadEvents = 1, ProcessMainThreadEvents = 2 }; template static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr &asyncOp, AwaitStyle awaitStyle) { Microsoft::WRL::ComPtr asyncInfo; HRESULT hr = asyncOp.As(&asyncInfo); if (FAILED(hr)) return hr; AsyncStatus status; switch (awaitStyle) { case ProcessMainThreadEvents: while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == Started) QCoreApplication::processEvents(); break; case ProcessThreadEvents: if (QAbstractEventDispatcher *dispatcher = QThread::currentThread()->eventDispatcher()) { while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == Started) dispatcher->processEvents(QEventLoop::AllEvents); break; } // fall through default: case YieldThread: while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == Started) QThread::yieldCurrentThread(); break; } if (FAILED(hr) || status != Completed) { HRESULT ec; hr = asyncInfo->get_ErrorCode(&ec); if (FAILED(hr)) return hr; return ec; } return hr; } template static inline HRESULT await(const Microsoft::WRL::ComPtr &asyncOp, AwaitStyle awaitStyle = YieldThread) { HRESULT hr = _await_impl(asyncOp, awaitStyle); if (FAILED(hr)) return hr; return asyncOp->GetResults(); } template static inline HRESULT await(const Microsoft::WRL::ComPtr &asyncOp, U *results, AwaitStyle awaitStyle = YieldThread) { HRESULT hr = _await_impl(asyncOp, awaitStyle); if (FAILED(hr)) return hr; return asyncOp->GetResults(results); } } // QWinRTFunctions #endif // Q_OS_WIN #endif // QFUNCTIONS_WINRT_H