QEventDispatcherWin32Private Class Reference

Inheritance diagram for QEventDispatcherWin32Private:

Public Functions
void	activateEventNotifier (QWinEventNotifier *wen)
void	doWsaAsyncSelect (int socket)
	QEventDispatcherWin32Private ()
void	registerTimer (WinTimerInfo *t)
void	sendTimerEvent (int timerId)
void	unregisterTimer (WinTimerInfo *t, bool closingDown=false)
	~QEventDispatcherWin32Private ()
Public Functions inherited from QAbstractEventDispatcherPrivate
void	init ()
	QAbstractEventDispatcherPrivate ()
Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)
void	addConnection (int signal, Connection *c)
void	cleanConnectionLists ()
void	connectNotify (const char *signal)
void	deleteChildren ()
void	disconnectNotify (const char *signal)
bool	isSender (const QObject *receiver, const char *signal) const
bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...
void	moveToThread_helper ()
	QObjectPrivate (int version=QObjectPrivateVersion)
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	setParent_helper (QObject *)
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...
virtual	~QObjectPrivate ()
Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Public Variables
HHOOK	getMessageHook
HWND	internalHwnd
bool	interrupt
int	lastSerialNumber
QList< MSG >	queuedSocketEvents
QList< MSG >	queuedUserInputEvents
int	sendPostedEventsWindowsTimerId
QAtomicInt	serialNumber
QSNDict	sn_except
QSNDict	sn_read
QSNDict	sn_write
DWORD	threadId
WinTimerDict	timerDict
WinTimerVec	timerVec
QAtomicInt	wakeUps
QList< QWinEventNotifier * >	winEventNotifierList
Public Variables inherited from QAbstractEventDispatcherPrivate
QAbstractEventDispatcher::EventFilter	event_filter
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Additional Inherited Members
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
Static Public Functions inherited from QAbstractEventDispatcherPrivate
static int	allocateTimerId ()
static void	releaseTimerId (int id)
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Detailed Description

Definition at line 339 of file qeventdispatcher_win.cpp.

Constructors and Destructors

QEventDispatcherWin32Private()

QEventDispatcherWin32Private::QEventDispatcherWin32Private

(

)

Definition at line 379 of file qeventdispatcher_win.cpp.

    : threadId(GetCurrentThreadId()), interrupt(false), internalHwnd(0), getMessageHook(0),
      serialNumber(0), lastSerialNumber(0), sendPostedEventsWindowsTimerId(0), wakeUps(0)
{
    resolveTimerAPI();
}

~QEventDispatcherWin32Private()

QEventDispatcherWin32Private::~QEventDispatcherWin32Private

(

)

Definition at line 386 of file qeventdispatcher_win.cpp.

{
    if (internalHwnd)
        DestroyWindow(internalHwnd);
    QString className = QLatin1String("QEventDispatcherWin32_Internal_Widget") + QString::number(quintptr(qt_internal_proc));
    UnregisterClass((wchar_t*)className.utf16(), qWinAppInst());
}

Functions

activateEventNotifier()

void QEventDispatcherWin32Private::activateEventNotifier

(

QWinEventNotifier *

wen

)

Definition at line 394 of file qeventdispatcher_win.cpp.

{
    QEvent event(QEvent::WinEventAct);
    QCoreApplication::sendEvent(wen, &event);
}

doWsaAsyncSelect()

void QEventDispatcherWin32Private::doWsaAsyncSelect

(

int

socket

)

Definition at line 665 of file qeventdispatcher_win.cpp.

{
    Q_ASSERT(internalHwnd);
    int sn_event = 0;
    if (sn_read.contains(socket))
        sn_event |= FD_READ | FD_CLOSE | FD_ACCEPT;
    if (sn_write.contains(socket))
        sn_event |= FD_WRITE | FD_CONNECT;
    if (sn_except.contains(socket))
        sn_event |= FD_OOB;
    // BoundsChecker may emit a warning for WSAAsyncSelect when sn_event == 0
    // This is a BoundsChecker bug and not a Qt bug
    WSAAsyncSelect(socket, internalHwnd, sn_event ? unsigned(WM_QT_SOCKETNOTIFIER) : unsigned(0), sn_event);
}

registerTimer()

void QEventDispatcherWin32Private::registerTimer

(

WinTimerInfo *

t

)

Definition at line 605 of file qeventdispatcher_win.cpp.

{
    Q_ASSERT(internalHwnd);

    Q_Q(QEventDispatcherWin32);

    int ok = 0;
    if (t->interval > 20 || !t->interval || !qtimeSetEvent) {
        ok = 1;
        if (!t->interval)  // optimization for single-shot-zero-timer
            QCoreApplication::postEvent(q, new QZeroTimerEvent(t->timerId));
        else
            ok = SetTimer(internalHwnd, t->timerId, (uint) t->interval, 0);
    } else {
        ok = t->fastTimerId = qtimeSetEvent(t->interval, 1, qt_fast_timer_proc, (DWORD_PTR)t,
                                            TIME_CALLBACK_FUNCTION | TIME_PERIODIC | TIME_KILL_SYNCHRONOUS);
        if (ok == 0) { // fall back to normal timer if no more multimedia timers available
            ok = SetTimer(internalHwnd, t->timerId, (uint) t->interval, 0);
        }
    }

    if (ok == 0)
        qErrnoWarning("QEventDispatcherWin32::registerTimer: Failed to create a timer");
}

sendTimerEvent()

void QEventDispatcherWin32Private::sendTimerEvent

(

int

timerId

)

Definition at line 647 of file qeventdispatcher_win.cpp.

Referenced by qt_internal_proc().

{
    WinTimerInfo *t = timerDict.value(timerId);
    if (t && !t->inTimerEvent) {
        // send event, but don't allow it to recurse
        t->inTimerEvent = true;

        QTimerEvent e(t->timerId);
        QCoreApplication::sendEvent(t->obj, &e);

        // timer could have been removed
        t = timerDict.value(timerId);
        if (t) {
            t->inTimerEvent = false;
        }
    }
}

unregisterTimer()

void QEventDispatcherWin32Private::unregisterTimer	(	WinTimerInfo *	t,
		bool	closingDown = false
	)

Definition at line 630 of file qeventdispatcher_win.cpp.

{
    // mark timer as unused
    if (!QObjectPrivate::get(t->obj)->inThreadChangeEvent && !closingDown)
        QAbstractEventDispatcherPrivate::releaseTimerId(t->timerId);

    if (t->interval == 0) {
        QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId);
    } else if (t->fastTimerId != 0) {
        qtimeKillEvent(t->fastTimerId);
        QCoreApplicationPrivate::removePostedTimerEvent(t->dispatcher, t->timerId);
    } else if (internalHwnd) {
        KillTimer(internalHwnd, t->timerId);
    }
    delete t;
}

Properties

getMessageHook

HHOOK QEventDispatcherWin32Private::getMessageHook

Definition at line 352 of file qeventdispatcher_win.cpp.

internalHwnd

HWND QEventDispatcherWin32Private::internalHwnd

Definition at line 351 of file qeventdispatcher_win.cpp.

Referenced by doWsaAsyncSelect(), qt_GetMessageHook(), registerTimer(), unregisterTimer(), and ~QEventDispatcherWin32Private().

interrupt

bool QEventDispatcherWin32Private::interrupt

Definition at line 348 of file qeventdispatcher_win.cpp.

lastSerialNumber

int QEventDispatcherWin32Private::lastSerialNumber

Definition at line 356 of file qeventdispatcher_win.cpp.

Referenced by qt_internal_proc().

queuedSocketEvents

QList<MSG> QEventDispatcherWin32Private::queuedSocketEvents

Definition at line 376 of file qeventdispatcher_win.cpp.

queuedUserInputEvents

QList<MSG> QEventDispatcherWin32Private::queuedUserInputEvents

Definition at line 375 of file qeventdispatcher_win.cpp.

sendPostedEventsWindowsTimerId

int QEventDispatcherWin32Private::sendPostedEventsWindowsTimerId

Definition at line 356 of file qeventdispatcher_win.cpp.

Referenced by qt_GetMessageHook(), and qt_internal_proc().

serialNumber

QAtomicInt QEventDispatcherWin32Private::serialNumber

Definition at line 355 of file qeventdispatcher_win.cpp.

Referenced by qt_GetMessageHook(), and qt_internal_proc().

sn_except

QSNDict QEventDispatcherWin32Private::sn_except

Definition at line 369 of file qeventdispatcher_win.cpp.

Referenced by doWsaAsyncSelect(), and qt_internal_proc().

sn_read

QSNDict QEventDispatcherWin32Private::sn_read

Definition at line 367 of file qeventdispatcher_win.cpp.

Referenced by doWsaAsyncSelect(), and qt_internal_proc().

sn_write

QSNDict QEventDispatcherWin32Private::sn_write

Definition at line 368 of file qeventdispatcher_win.cpp.

Referenced by doWsaAsyncSelect(), and qt_internal_proc().

threadId

DWORD QEventDispatcherWin32Private::threadId

Definition at line 346 of file qeventdispatcher_win.cpp.

timerDict

WinTimerDict QEventDispatcherWin32Private::timerDict

Definition at line 361 of file qeventdispatcher_win.cpp.

Referenced by sendTimerEvent().

timerVec

WinTimerVec QEventDispatcherWin32Private::timerVec

Definition at line 360 of file qeventdispatcher_win.cpp.

wakeUps

QAtomicInt QEventDispatcherWin32Private::wakeUps

Definition at line 357 of file qeventdispatcher_win.cpp.

winEventNotifierList

QList<QWinEventNotifier *> QEventDispatcherWin32Private::winEventNotifierList

Definition at line 372 of file qeventdispatcher_win.cpp.

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The documentation for this class was generated from the following file:

• /src/corelib/kernel/qeventdispatcher_win.cpp