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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
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****************************************************************************/
#ifndef QFUNCTIONS_WINRT_H
#define QFUNCTIONS_WINRT_H
#include <QtCore/qglobal.h>
#ifdef Q_OS_WIN
#include <QtCore/QCoreApplication>
#include <QtCore/QThread>
#include <QtCore/QAbstractEventDispatcher>
#include <QtCore/QElapsedTimer>
#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_IF_FAILED_WITH_ARGS(msg, ret, ...) \
if (FAILED(hr)) { \
qErrnoWarning(hr, msg, __VA_ARGS__); \
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 RETURN_HR_IF_FAILED_WITH_ARGS(msg, ...) RETURN_IF_FAILED_WITH_ARGS(msg, return hr, __VA_ARGS__)
#define RETURN_OK_IF_FAILED_WITH_ARGS(msg, ...) RETURN_IF_FAILED_WITH_ARGS(msg, return S_OK, __VA_ARGS__)
#define RETURN_FALSE_IF_FAILED_WITH_ARGS(msg, ...) RETURN_IF_FAILED_WITH_ARGS(msg, return false, __VA_ARGS__)
#define RETURN_VOID_IF_FAILED_WITH_ARGS(msg, ...) RETURN_IF_FAILED_WITH_ARGS(msg, return, __VA_ARGS__)
#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_fake_getenv_s(size_t*, char*, size_t, const char*);
errno_t qt_fake__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, prependnamespace, param1, param2) \
inline returntype funcname(param1 p1, param2 p2) \
{ \
return QT_PREPEND_NAMESPACE(prependnamespace##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, prependnamespace, param1, param2, param3, param4) \
inline returntype funcname(param1 p1, param2 p2, param3 p3, param4 p4) \
{ \
return QT_PREPEND_NAMESPACE(prependnamespace##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, qt_fake_, size_t *, char *, size_t, const char *)
generate_inline_return_func2(_putenv_s, errno_t, qt_fake_, 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, uint timeout)
{
Microsoft::WRL::ComPtr<IAsyncInfo> asyncInfo;
HRESULT hr = asyncOp.As(&asyncInfo);
if (FAILED(hr))
return hr;
AsyncStatus status;
QElapsedTimer t;
if (timeout)
t.start();
switch (awaitStyle) {
case ProcessMainThreadEvents:
while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == AsyncStatus::Started) {
QCoreApplication::processEvents();
if (timeout && t.hasExpired(timeout))
return ERROR_TIMEOUT;
}
break;
case ProcessThreadEvents:
if (QAbstractEventDispatcher *dispatcher = QThread::currentThread()->eventDispatcher()) {
while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == AsyncStatus::Started) {
dispatcher->processEvents(QEventLoop::AllEvents);
if (timeout && t.hasExpired(timeout))
return ERROR_TIMEOUT;
}
break;
}
// fall through
default:
case YieldThread:
while (SUCCEEDED(hr = asyncInfo->get_Status(&status)) && status == AsyncStatus::Started) {
QThread::yieldCurrentThread();
if (timeout && t.hasExpired(timeout))
return ERROR_TIMEOUT;
}
break;
}
if (FAILED(hr) || status != AsyncStatus::Completed) {
HRESULT ec;
hr = asyncInfo->get_ErrorCode(&ec);
if (FAILED(hr))
return hr;
hr = asyncInfo->Close();
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, uint timeout = 0)
{
HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout);
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, uint timeout = 0)
{
HRESULT hr = _await_impl(asyncOp, awaitStyle, timeout);
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