diff options
Diffstat (limited to 'src/corelib/kernel/qeventdispatcher_win.cpp')
| -rw-r--r-- | src/corelib/kernel/qeventdispatcher_win.cpp | 259 |
1 files changed, 12 insertions, 247 deletions
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp index 166e509635..e05de4f085 100644 --- a/src/corelib/kernel/qeventdispatcher_win.cpp +++ b/src/corelib/kernel/qeventdispatcher_win.cpp @@ -63,11 +63,7 @@ extern uint qGlobalPostedEventsCount(); #endif #ifndef QS_RAWINPUT -# ifdef Q_OS_WINCE -# define QS_RAWINPUT 0x0000 -# else # define QS_RAWINPUT 0x0400 -# endif #endif #ifndef WM_TOUCH @@ -89,230 +85,14 @@ enum { SendPostedEventsWindowsTimerId = ~1u }; -#if defined(Q_OS_WINCE) -QT_BEGIN_INCLUDE_NAMESPACE -#include <winsock.h> -QT_END_INCLUDE_NAMESPACE -// Asynchronous Winsocks ------------------------------------------ -#ifndef QT_NO_THREAD -QT_BEGIN_INCLUDE_NAMESPACE -#include <qthread.h> -#include <qmap.h> -#include <qmutex.h> -QT_END_INCLUDE_NAMESPACE - -//#define QCE_ASYNC_DEBUG - -namespace { - class SocketAsyncHandler; - - class SocketAsyncHandler : public QThread - { - public: - SocketAsyncHandler(); - ~SocketAsyncHandler(); - void run(); - void select(SOCKET sock, HWND handle, unsigned int msg, long ev); - void removeSelect(SOCKET sock); - void safeRemove(SOCKET sock); - private: - struct SockInfo { - HWND handle; - unsigned int msg; - long ev; - }; - QMap<SOCKET, SockInfo> sockets; - QMutex mutex; - QWaitCondition cond; - bool supposedToDie; - }; - - SocketAsyncHandler::SocketAsyncHandler() - : supposedToDie(false) - { - } - - SocketAsyncHandler::~SocketAsyncHandler() - { - mutex.lock(); - supposedToDie = true; - mutex.unlock(); - cond.wakeOne(); - wait(); - while (sockets.size() > 0) - removeSelect(sockets.begin().key()); - } - - void SocketAsyncHandler::removeSelect(SOCKET sock) - { - if (!sockets.contains(sock)) - return; - sockets.remove(sock); - return; - } - - void SocketAsyncHandler::safeRemove(SOCKET sock) - { - QMutexLocker locker(&mutex); - removeSelect(sock); - } - - void SocketAsyncHandler::select(SOCKET sock, HWND handle, unsigned int msg, long ev) - { - QMutexLocker locker(&mutex); - - if (sockets.contains(sock)) - sockets.remove(sock); - - SockInfo info; - info.handle = handle; - info.msg = msg; - info.ev = ev; - sockets.insert(sock, info); - cond.wakeOne(); - } - - void SocketAsyncHandler::run() - { - do { - mutex.lock(); - - while (!supposedToDie && sockets.isEmpty()) { - cond.wait(&mutex); - } - - if (supposedToDie) { - mutex.unlock(); - break; - } - - // Copy current items to reduce lock time - // and to be able to use SendMessage - QMap<SOCKET, SockInfo> currentSockets = sockets; - mutex.unlock(); - - fd_set readS, writeS, exS; - FD_ZERO(&readS); - FD_ZERO(&writeS); - FD_ZERO(&exS); - - int maxFd = 0; - - for (QMap<SOCKET, SockInfo>::iterator it = currentSockets.begin(); it != currentSockets.end(); ++it) { - const SockInfo &info = it.value(); - int socket = it.key(); - maxFd = qMax(maxFd, socket); - - if ((info.ev & FD_READ) || (info.ev & FD_CLOSE) || (info.ev & FD_ACCEPT)) - FD_SET(socket, &readS); - if ((info.ev & FD_WRITE)|| (info.ev & FD_CONNECT)) - FD_SET(socket, &writeS); - if (info.ev & FD_OOB) - FD_SET(socket, &exS); - } - - timeval timeout; - timeout.tv_sec = 0; - timeout.tv_usec = 50000; - int result = ::select(maxFd + 1, &readS, &writeS, &exS, &timeout); - if (result > 0) { - HWND handle; - unsigned int tmpMsg; - SOCKET sock; - HRESULT ret; - for (QMap<SOCKET, SockInfo>::const_iterator it = currentSockets.constBegin(); - it != currentSockets.constEnd(); ++it) { - handle = (*it).handle; - tmpMsg = (*it).msg; - sock = it.key(); - if (FD_ISSET(sock, &readS)) - ret = SendMessage(handle, tmpMsg, sock, FD_READ); - - if (FD_ISSET(sock, &writeS)) - ret = SendMessage(handle, tmpMsg, sock, FD_WRITE); - - if (FD_ISSET(sock, &exS)) - ret = SendMessage(handle, tmpMsg, sock, FD_OOB); - } - } - -#ifdef QCE_ASYNC_DEBUG - else if (result == 0) { //timeout - qDebug(" WSAAsync select timeout"); - } else if (result < 0) { // SocketError - // This might happen because of two reasons - // 1. We already closed a socket in between the copy and the select - // and thus select() returns an error - // 2. Something is really wrong, then - // ### Loop on all descriptors, try to select and remove the - // ### broken one. - qWarning("WSAAsync select error %d", WSAGetLastError()); - } -#endif - } while(true); - } -} // namespace - -Q_GLOBAL_STATIC(SocketAsyncHandler, qt_async_handler) - -int WSAAsyncSelect(SOCKET sock, HWND handle, unsigned int msg, long ev) -{ - if (sock == 0 || handle == 0 || handle == INVALID_HANDLE_VALUE) { - WSASetLastError(WSAEINVAL); - return SOCKET_ERROR; - } - - if (msg == 0 && ev == 0) - qt_async_handler()->safeRemove(sock); - else - qt_async_handler()->select(sock, handle, msg, ev); - - qt_async_handler()->start(QThread::LowPriority); - WSASetLastError(0); - return 0; -} -#else // QT_NO_THREAD -int WSAAsyncSelect(SOCKET, HWND, unsigned int, long) -{ - return SOCKET_ERROR; -} -#endif -#endif // Q_OS_WINCE - class QEventDispatcherWin32Private; #if !defined(DWORD_PTR) && !defined(Q_OS_WIN64) #define DWORD_PTR DWORD #endif -typedef MMRESULT(WINAPI *ptimeSetEvent)(UINT, UINT, LPTIMECALLBACK, DWORD_PTR, UINT); -typedef MMRESULT(WINAPI *ptimeKillEvent)(UINT); - -static ptimeSetEvent qtimeSetEvent = 0; -static ptimeKillEvent qtimeKillEvent = 0; - LRESULT QT_WIN_CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp); -static void resolveTimerAPI() -{ - static bool triedResolve = false; - if (!triedResolve) { -#ifndef QT_NO_THREAD - QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve)); - if (triedResolve) - return; -#endif - triedResolve = true; -#if !defined(Q_OS_WINCE) - qtimeSetEvent = (ptimeSetEvent)QSystemLibrary::resolve(QLatin1String("winmm"), "timeSetEvent"); - qtimeKillEvent = (ptimeKillEvent)QSystemLibrary::resolve(QLatin1String("winmm"), "timeKillEvent"); -#else - qtimeSetEvent = (ptimeSetEvent)QSystemLibrary::resolve(QLatin1String("Mmtimer"), "timeSetEvent"); - qtimeKillEvent = (ptimeKillEvent)QSystemLibrary::resolve(QLatin1String("Mmtimer"), "timeKillEvent"); -#endif - } -} - QEventDispatcherWin32Private::QEventDispatcherWin32Private() : threadId(GetCurrentThreadId()), interrupt(false), closingDown(false), internalHwnd(0), getMessageHook(0), serialNumber(0), lastSerialNumber(0), sendPostedEventsWindowsTimerId(0), @@ -321,7 +101,6 @@ QEventDispatcherWin32Private::QEventDispatcherWin32Private() , activateNotifiersPosted(false) #endif { - resolveTimerAPI(); } QEventDispatcherWin32Private::~QEventDispatcherWin32Private() @@ -502,11 +281,7 @@ LRESULT QT_WIN_CALLBACK qt_GetMessageHook(int code, WPARAM wp, LPARAM lp) } } } -#ifdef Q_OS_WINCE - return 0; -#else return q->d_func()->getMessageHook ? CallNextHookEx(0, code, wp, lp) : 0; -#endif } // Provide class name and atom for the message window used by @@ -564,16 +339,11 @@ static HWND qt_create_internal_window(const QEventDispatcherWin32 *eventDispatch QWindowsMessageWindowClassContext *ctx = qWindowsMessageWindowClassContext(); if (!ctx->atom) return 0; -#ifdef Q_OS_WINCE - HWND parent = 0; -#else - HWND parent = HWND_MESSAGE; -#endif HWND wnd = CreateWindow(ctx->className, // classname ctx->className, // window name 0, // style 0, 0, 0, 0, // geometry - parent, // parent + HWND_MESSAGE, // parent 0, // menu handle qWinAppInst(), // application 0); // windows creation data. @@ -609,24 +379,27 @@ void QEventDispatcherWin32Private::registerTimer(WinTimerInfo *t) Q_Q(QEventDispatcherWin32); - int ok = 0; + bool ok = false; calculateNextTimeout(t, qt_msectime()); uint interval = t->interval; if (interval == 0u) { // optimization for single-shot-zero-timer QCoreApplication::postEvent(q, new QZeroTimerEvent(t->timerId)); - ok = 1; - } else if ((interval < 20u || t->timerType == Qt::PreciseTimer) && qtimeSetEvent) { - ok = t->fastTimerId = qtimeSetEvent(interval, 1, qt_fast_timer_proc, (DWORD_PTR)t, - TIME_CALLBACK_FUNCTION | TIME_PERIODIC | TIME_KILL_SYNCHRONOUS); + ok = true; + } else if (interval < 20u || t->timerType == Qt::PreciseTimer) { + // 3/2016: Although MSDN states timeSetEvent() is deprecated, the function + // is still deemed to be the most reliable precision timer. + t->fastTimerId = timeSetEvent(interval, 1, qt_fast_timer_proc, DWORD_PTR(t), + TIME_CALLBACK_FUNCTION | TIME_PERIODIC | TIME_KILL_SYNCHRONOUS); + ok = t->fastTimerId; } - if (ok == 0) { + if (!ok) { // user normal timers for (Very)CoarseTimers, or if no more multimedia timers available ok = SetTimer(internalHwnd, t->timerId, interval, 0); } - if (ok == 0) + if (!ok) qErrnoWarning("QEventDispatcherWin32::registerTimer: Failed to create a timer"); } @@ -635,7 +408,7 @@ void QEventDispatcherWin32Private::unregisterTimer(WinTimerInfo *t) if (t->interval == 0) { QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId); } else if (t->fastTimerId != 0) { - qtimeKillEvent(t->fastTimerId); + timeKillEvent(t->fastTimerId); QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId); } else if (internalHwnd) { KillTimer(internalHwnd, t->timerId); @@ -702,7 +475,6 @@ void QEventDispatcherWin32::installMessageHook() if (d->getMessageHook) return; -#ifndef Q_OS_WINCE // setup GetMessage hook needed to drive our posted events d->getMessageHook = SetWindowsHookEx(WH_GETMESSAGE, (HOOKPROC) qt_GetMessageHook, NULL, GetCurrentThreadId()); if (Q_UNLIKELY(!d->getMessageHook)) { @@ -710,17 +482,14 @@ void QEventDispatcherWin32::installMessageHook() qFatal("Qt: INTERNAL ERROR: failed to install GetMessage hook: %d, %s", errorCode, qPrintable(qt_error_string(errorCode))); } -#endif } void QEventDispatcherWin32::uninstallMessageHook() { Q_D(QEventDispatcherWin32); -#ifndef Q_OS_WINCE if (d->getMessageHook) UnhookWindowsHookEx(d->getMessageHook); -#endif d->getMessageHook = 0; } @@ -1166,11 +935,7 @@ void QEventDispatcherWin32::activateEventNotifiers() Q_D(QEventDispatcherWin32); //### this could break if events are removed/added in the activation for (int i=0; i<d->winEventNotifierList.count(); i++) { -#if !defined(Q_OS_WINCE) if (WaitForSingleObjectEx(d->winEventNotifierList.at(i)->handle(), 0, TRUE) == WAIT_OBJECT_0) -#else - if (WaitForSingleObject(d->winEventNotifierList.at(i)->handle(), 0) == WAIT_OBJECT_0) -#endif d->activateEventNotifier(d->winEventNotifierList.at(i)); } } |