| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
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| ** Alternatively, this file may be used under the terms of the GNU Lesser |
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| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** |
| ****************************************************************************/ |
| |
| #ifndef QFUNCTIONS_WINRT_H |
| #define QFUNCTIONS_WINRT_H |
| |
| #include <QtCore/qglobal.h> |
| |
| #ifdef Q_OS_WIN |
| |
| #include <QtCore/QThread> |
| #include <QtCore/QAbstractEventDispatcher> |
| #include <QtCore/qt_windows.h> |
| |
| // 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))); |
| |
| #ifdef Q_OS_WINRT |
| |
| QT_BEGIN_NAMESPACE |
| |
| #ifdef QT_BUILD_CORE_LIB |
| #endif |
| |
| // 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(); |
| |
| QT_END_NAMESPACE |
| |
| // 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_PREPEND_NAMESPACE(qt_winrt_##funcname)(); \ |
| } |
| #define generate_inline_return_func1(funcname, returntype, param1) \ |
| inline returntype funcname(param1 p1) \ |
| { \ |
| return QT_PREPEND_NAMESPACE(qt_winrt_##funcname)(p1); \ |
| } |
| #define generate_inline_return_func2(funcname, returntype, param1, param2) \ |
| inline returntype funcname(param1 p1, param2 p2) \ |
| { \ |
| return QT_PREPEND_NAMESPACE(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_PREPEND_NAMESPACE(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_PREPEND_NAMESPACE(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_PREPEND_NAMESPACE(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_PREPEND_NAMESPACE(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_PREPEND_NAMESPACE(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) |
| |
| namespace Microsoft { |
| namespace WRL { |
| template <typename T> class ComPtr; |
| } |
| } |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QWinRTFunctions { |
| |
| // Synchronization methods |
| enum AwaitStyle |
| { |
| YieldThread = 0, |
| ProcessThreadEvents = 1, |
| ProcessMainThreadEvents = 2 |
| }; |
| |
| template <typename T> |
| static inline HRESULT _await_impl(const Microsoft::WRL::ComPtr<T> &asyncOp, AwaitStyle awaitStyle) |
| { |
| Microsoft::WRL::ComPtr<IAsyncInfo> 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 <typename T> |
| static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, AwaitStyle awaitStyle = YieldThread) |
| { |
| HRESULT hr = _await_impl(asyncOp, awaitStyle); |
| if (FAILED(hr)) |
| return hr; |
| |
| return asyncOp->GetResults(); |
| } |
| |
| template <typename T, typename U> |
| static inline HRESULT await(const Microsoft::WRL::ComPtr<T> &asyncOp, U *results, AwaitStyle awaitStyle = YieldThread) |
| { |
| HRESULT hr = _await_impl(asyncOp, awaitStyle); |
| if (FAILED(hr)) |
| return hr; |
| |
| return asyncOp->GetResults(results); |
| } |
| |
| } // QWinRTFunctions |
| |
| QT_END_NAMESPACE |
| |
| #endif // Q_OS_WINRT |
| |
| #endif // Q_OS_WIN |
| |
| #endif // QFUNCTIONS_WINRT_H |