diff options
Diffstat (limited to 'src/corelib/kernel')
-rw-r--r-- | src/corelib/kernel/kernel.pri | 2 | ||||
-rw-r--r-- | src/corelib/kernel/qcoreapplication.cpp | 14 | ||||
-rw-r--r-- | src/corelib/kernel/qmetaobject_p.h | 4 | ||||
-rw-r--r-- | src/corelib/kernel/qobject.cpp | 630 | ||||
-rw-r--r-- | src/corelib/kernel/qobject_p.h | 123 | ||||
-rw-r--r-- | src/corelib/kernel/qtcore_eval.cpp | 560 |
6 files changed, 352 insertions, 981 deletions
diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri index 3f7bf3cd47..789bcb7927 100644 --- a/src/corelib/kernel/kernel.pri +++ b/src/corelib/kernel/kernel.pri @@ -7,7 +7,7 @@ HEADERS += \ kernel/qdeadlinetimer.h \ kernel/qdeadlinetimer_p.h \ kernel/qelapsedtimer.h \ - kernel/qeventloop.h\ + kernel/qeventloop.h \ kernel/qpointer.h \ kernel/qcorecmdlineargs_p.h \ kernel/qcoreapplication.h \ diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp index c06af79cc7..5da33a5aae 100644 --- a/src/corelib/kernel/qcoreapplication.cpp +++ b/src/corelib/kernel/qcoreapplication.cpp @@ -256,15 +256,6 @@ void QCoreApplicationPrivate::processCommandLineArguments() // Support for introspection -#ifndef QT_NO_QOBJECT -QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set = { 0, 0, 0, 0 }; - -void qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &callback_set) -{ - qt_signal_spy_callback_set = callback_set; -} -#endif - extern "C" void Q_CORE_EXPORT qt_startup_hook() { } @@ -866,11 +857,6 @@ void QCoreApplicationPrivate::init() eventDispatcherReady(); #endif -#ifdef QT_EVAL - extern void qt_core_eval_init(QCoreApplicationPrivate::Type); - qt_core_eval_init(application_type); -#endif - processCommandLineArguments(); qt_call_pre_routines(); diff --git a/src/corelib/kernel/qmetaobject_p.h b/src/corelib/kernel/qmetaobject_p.h index 522bd78e42..5b412b5140 100644 --- a/src/corelib/kernel/qmetaobject_p.h +++ b/src/corelib/kernel/qmetaobject_p.h @@ -54,6 +54,7 @@ #include <QtCore/qglobal.h> #include <QtCore/qobjectdefs.h> +#include <QtCore/qmutex.h> #ifndef QT_NO_QOBJECT #include <private/qobject_p.h> // For QObjectPrivate::Connection #endif @@ -168,7 +169,6 @@ Q_DECLARE_TYPEINFO(QArgumentType, Q_MOVABLE_TYPE); typedef QVarLengthArray<QArgumentType, 10> QArgumentTypeArray; class QMetaMethodPrivate; -class QMutex; struct QMetaObjectPrivate { @@ -234,7 +234,7 @@ struct QMetaObjectPrivate DisconnectType = DisconnectAll); static inline bool disconnectHelper(QObjectPrivate::Connection *c, const QObject *receiver, int method_index, void **slot, - QMutex *senderMutex, DisconnectType = DisconnectAll); + QBasicMutex *senderMutex, DisconnectType = DisconnectAll); #endif }; diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp index 3a3eb726fa..25e205b812 100644 --- a/src/corelib/kernel/qobject.cpp +++ b/src/corelib/kernel/qobject.cpp @@ -77,6 +77,12 @@ QT_BEGIN_NAMESPACE static int DIRECT_CONNECTION_ONLY = 0; +Q_CORE_EXPORT QBasicAtomicPointer<QSignalSpyCallbackSet> qt_signal_spy_callback_set = Q_BASIC_ATOMIC_INITIALIZER(nullptr); + +void qt_register_signal_spy_callbacks(QSignalSpyCallbackSet *callback_set) +{ + qt_signal_spy_callback_set.store(callback_set); +} QDynamicMetaObjectData::~QDynamicMetaObjectData() { @@ -146,10 +152,9 @@ static QBasicMutex _q_ObjectMutexPool[131]; * \internal * mutex to be locked when accessing the connectionlists or the senders list */ -static inline QMutex *signalSlotLock(const QObject *o) +static inline QBasicMutex *signalSlotLock(const QObject *o) { - return static_cast<QMutex *>(&_q_ObjectMutexPool[ - uint(quintptr(o)) % sizeof(_q_ObjectMutexPool)/sizeof(QBasicMutex)]); + return &_q_ObjectMutexPool[uint(quintptr(o)) % sizeof(_q_ObjectMutexPool)/sizeof(QBasicMutex)]; } #if QT_VERSION < 0x60000 @@ -160,39 +165,6 @@ extern "C" Q_CORE_EXPORT void qt_removeObject(QObject *) {} #endif -struct QConnectionSenderSwitcher { - QObject *receiver; - QObjectPrivate::Sender *previousSender; - QObjectPrivate::Sender currentSender; - bool switched; - - inline QConnectionSenderSwitcher() : switched(false) {} - - inline QConnectionSenderSwitcher(QObject *receiver, QObject *sender, int signal_absolute_id) - { - switchSender(receiver, sender, signal_absolute_id); - } - - inline void switchSender(QObject *receiver, QObject *sender, int signal_absolute_id) - { - this->receiver = receiver; - currentSender.sender = sender; - currentSender.signal = signal_absolute_id; - currentSender.ref = 1; - previousSender = QObjectPrivate::setCurrentSender(receiver, ¤tSender); - switched = true; - } - - inline ~QConnectionSenderSwitcher() - { - if (switched) - QObjectPrivate::resetCurrentSender(receiver, ¤tSender, previousSender); - } -private: - Q_DISABLE_COPY(QConnectionSenderSwitcher) -}; - - void (*QAbstractDeclarativeData::destroyed)(QAbstractDeclarativeData *, QObject *) = 0; void (*QAbstractDeclarativeData::destroyed_qml1)(QAbstractDeclarativeData *, QObject *) = 0; void (*QAbstractDeclarativeData::parentChanged)(QAbstractDeclarativeData *, QObject *, QObject *) = 0; @@ -209,7 +181,7 @@ QMetaObject *QObjectData::dynamicMetaObject() const } QObjectPrivate::QObjectPrivate(int version) - : threadData(0), connectionLists(0), senders(0), currentSender(0), currentChildBeingDeleted(0) + : threadData(0), currentChildBeingDeleted(0) { #ifdef QT_BUILD_INTERNAL // Don't check the version parameter in internal builds. @@ -232,7 +204,6 @@ QObjectPrivate::QObjectPrivate(int version) receiveChildEvents = true; postedEvents = 0; extraData = 0; - connectedSignals[0] = connectedSignals[1] = 0; metaObject = 0; isWindow = false; deleteLaterCalled = false; @@ -285,59 +256,22 @@ static void computeOffsets(const QMetaObject *metaobject, int *signalOffset, int } } -/* - This vector contains the all connections from an object. - - Each object may have one vector containing the lists of - connections for a given signal. The index in the vector correspond - to the signal index. The signal index is the one returned by - QObjectPrivate::signalIndex (not QMetaObject::indexOfSignal). - Negative index means connections to all signals. - - This vector is protected by the object mutex (signalSlotMutexes()) - - Each Connection is also part of a 'senders' linked list. The mutex - of the receiver must be locked when touching the pointers of this - linked list. -*/ -class QObjectConnectionListVector : public QVector<QObjectPrivate::ConnectionList> -{ -public: - bool orphaned; //the QObject owner of this vector has been destroyed while the vector was inUse - bool dirty; //some Connection have been disconnected (their receiver is 0) but not removed from the list yet - int inUse; //number of functions that are currently accessing this object or its connections - QObjectPrivate::ConnectionList allsignals; - - QObjectConnectionListVector() - : QVector<QObjectPrivate::ConnectionList>(), orphaned(false), dirty(false), inUse(0) - { } - - QObjectPrivate::ConnectionList &operator[](int at) - { - if (at < 0) - return allsignals; - return QVector<QObjectPrivate::ConnectionList>::operator[](at); - } -}; - // Used by QAccessibleWidget bool QObjectPrivate::isSender(const QObject *receiver, const char *signal) const { Q_Q(const QObject); int signal_index = signalIndex(signal); - if (signal_index < 0) + ConnectionData *cd = connections.load(); + if (signal_index < 0 || !cd) return false; - QMutexLocker locker(signalSlotLock(q)); - if (connectionLists) { - if (signal_index < connectionLists->count()) { - const QObjectPrivate::Connection *c = - connectionLists->at(signal_index).first; - - while (c) { - if (c->receiver == receiver) - return true; - c = c->nextConnectionList; - } + QBasicMutexLocker locker(signalSlotLock(q)); + if (signal_index < cd->signalVector.count()) { + const QObjectPrivate::Connection *c = cd->signalVector.at(signal_index).first; + + while (c) { + if (c->receiver == receiver) + return true; + c = c->nextConnectionList; } } return false; @@ -349,18 +283,17 @@ QObjectList QObjectPrivate::receiverList(const char *signal) const Q_Q(const QObject); QObjectList returnValue; int signal_index = signalIndex(signal); - if (signal_index < 0) + ConnectionData *cd = connections.load(); + if (signal_index < 0 || !cd) return returnValue; - QMutexLocker locker(signalSlotLock(q)); - if (connectionLists) { - if (signal_index < connectionLists->count()) { - const QObjectPrivate::Connection *c = connectionLists->at(signal_index).first; - - while (c) { - if (c->receiver) - returnValue << c->receiver; - c = c->nextConnectionList; - } + QBasicMutexLocker locker(signalSlotLock(q)); + if (signal_index < cd->signalVector.count()) { + const QObjectPrivate::Connection *c = cd->signalVector.at(signal_index).first; + + while (c) { + if (c->receiver) + returnValue << c->receiver; + c = c->nextConnectionList; } } return returnValue; @@ -370,9 +303,12 @@ QObjectList QObjectPrivate::receiverList(const char *signal) const QObjectList QObjectPrivate::senderList() const { QObjectList returnValue; - QMutexLocker locker(signalSlotLock(q_func())); - for (Connection *c = senders; c; c = c->next) - returnValue << c->sender; + ConnectionData *cd = connections.load(); + if (cd) { + QBasicMutexLocker locker(signalSlotLock(q_func())); + for (Connection *c = cd->senders; c; c = c->next) + returnValue << c->sender; + } return returnValue; } @@ -389,12 +325,12 @@ QObjectList QObjectPrivate::senderList() const void QObjectPrivate::addConnection(int signal, Connection *c) { Q_ASSERT(c->sender == q_ptr); - if (!connectionLists) - connectionLists = new QObjectConnectionListVector(); - if (signal >= connectionLists->count()) - connectionLists->resize(signal + 1); + ensureConnectionData(); + ConnectionData *cd = connections.load(); + if (signal >= cd->signalVector.count()) + cd->signalVector.resize(signal + 1); - ConnectionList &connectionList = (*connectionLists)[signal]; + ConnectionList &connectionList = cd->connectionsForSignal(signal); if (connectionList.last) { connectionList.last->nextConnectionList = c; } else { @@ -404,27 +340,23 @@ void QObjectPrivate::addConnection(int signal, Connection *c) cleanConnectionLists(); - c->prev = &(QObjectPrivate::get(c->receiver)->senders); + QObjectPrivate *rd = QObjectPrivate::get(c->receiver); + rd->ensureConnectionData(); + + c->prev = &(rd->connections.load()->senders); c->next = *c->prev; *c->prev = c; if (c->next) c->next->prev = &c->next; - - if (signal < 0) { - connectedSignals[0] = connectedSignals[1] = ~0; - } else if (signal < (int)sizeof(connectedSignals) * 8) { - connectedSignals[signal >> 5] |= (1 << (signal & 0x1f)); - } } void QObjectPrivate::cleanConnectionLists() { - if (connectionLists->dirty && !connectionLists->inUse) { + ConnectionData *cd = connections.load(); + if (cd->dirty && cd->ref == 1) { // remove broken connections - bool allConnected = false; - for (int signal = -1; signal < connectionLists->count(); ++signal) { - QObjectPrivate::ConnectionList &connectionList = - (*connectionLists)[signal]; + for (int signal = -1; signal < cd->signalVector.count(); ++signal) { + ConnectionList &connectionList = cd->connectionsForSignal(signal); // Set to the last entry in the connection list that was *not* // deleted. This is needed to update the list's last pointer @@ -433,13 +365,11 @@ void QObjectPrivate::cleanConnectionLists() QObjectPrivate::Connection **prev = &connectionList.first; QObjectPrivate::Connection *c = *prev; - bool connected = false; // whether the signal is still connected somewhere while (c) { if (c->receiver) { last = c; prev = &c->nextConnectionList; c = *prev; - connected = true; } else { QObjectPrivate::Connection *next = c->nextConnectionList; *prev = next; @@ -451,19 +381,41 @@ void QObjectPrivate::cleanConnectionLists() // Correct the connection list's last pointer. // As conectionList.last could equal last, this could be a noop connectionList.last = last; + } + cd->dirty = false; + } +} - if (!allConnected && !connected && signal >= 0 - && size_t(signal) < sizeof(connectedSignals) * 8) { - // This signal is no longer connected - connectedSignals[signal >> 5] &= ~(1 << (signal & 0x1f)); - } else if (signal == -1) { - allConnected = connected; - } +/*! \internal + + Returns \c true if the signal with index \a signal_index from object \a sender is connected. + + \a signal_index must be the index returned by QObjectPrivate::signalIndex; +*/ +bool QObjectPrivate::isSignalConnected(uint signalIndex, bool checkDeclarative) const +{ + if (checkDeclarative && isDeclarativeSignalConnected(signalIndex)) + return true; + + ConnectionData *cd = connections.load(); + if (!cd) + return false; + + if (cd->allsignals.first) + return true; + + if (signalIndex < uint(cd->signalVector.count())) { + const QObjectPrivate::Connection *c = cd->signalVector.at(signalIndex).first; + while (c) { + if (c->receiver) + return true; + c = c->nextConnectionList; } - connectionLists->dirty = false; } + return false; } + /*! \internal */ @@ -921,60 +873,50 @@ QObject::~QObject() } } - // set ref to zero to indicate that this object has been deleted - if (d->currentSender != 0) - d->currentSender->ref = 0; - d->currentSender = 0; + QObjectPrivate::ConnectionData *cd = d->connections.load(); + if (cd) { + if (cd->currentSender) { + cd->currentSender->receiverDeleted(); + cd->currentSender = nullptr; + } - if (d->connectionLists || d->senders) { - QMutex *signalSlotMutex = signalSlotLock(this); - QMutexLocker locker(signalSlotMutex); + QBasicMutex *signalSlotMutex = signalSlotLock(this); + QBasicMutexLocker locker(signalSlotMutex); // disconnect all receivers - if (d->connectionLists) { - ++d->connectionLists->inUse; - int connectionListsCount = d->connectionLists->count(); - for (int signal = -1; signal < connectionListsCount; ++signal) { - QObjectPrivate::ConnectionList &connectionList = - (*d->connectionLists)[signal]; - - while (QObjectPrivate::Connection *c = connectionList.first) { - if (!c->receiver) { - connectionList.first = c->nextConnectionList; - c->deref(); - continue; - } - - QMutex *m = signalSlotLock(c->receiver); - bool needToUnlock = QOrderedMutexLocker::relock(signalSlotMutex, m); - - if (c->receiver) { - *c->prev = c->next; - if (c->next) c->next->prev = c->prev; - } - c->receiver = 0; - if (needToUnlock) - m->unlock(); + int receiverCount = cd->signalVector.count(); + for (int signal = -1; signal < receiverCount; ++signal) { + QObjectPrivate::ConnectionList &connectionList = cd->connectionsForSignal(signal); + while (QObjectPrivate::Connection *c = connectionList.first) { + if (!c->receiver) { connectionList.first = c->nextConnectionList; - - // The destroy operation must happen outside the lock - if (c->isSlotObject) { - c->isSlotObject = false; - locker.unlock(); - c->slotObj->destroyIfLastRef(); - locker.relock(); - } c->deref(); + continue; } - } - if (!--d->connectionLists->inUse) { - delete d->connectionLists; - } else { - d->connectionLists->orphaned = true; + QBasicMutex *m = signalSlotLock(c->receiver); + bool needToUnlock = QOrderedMutexLocker::relock(signalSlotMutex, m); + + if (c->receiver) { + *c->prev = c->next; + if (c->next) c->next->prev = c->prev; + } + c->receiver = 0; + if (needToUnlock) + m->unlock(); + + connectionList.first = c->nextConnectionList; + + // The destroy operation must happen outside the lock + if (c->isSlotObject) { + c->isSlotObject = false; + locker.unlock(); + c->slotObj->destroyIfLastRef(); + locker.relock(); + } + c->deref(); } - d->connectionLists = 0; } /* Disconnect all senders: @@ -986,14 +928,15 @@ QObject::~QObject() * thread. That's why we set node->prev to &node, that way, if node is destroyed, node will * be updated. */ - QObjectPrivate::Connection *node = d->senders; + QObjectPrivate::Connection *node = cd->senders; while (node) { + Q_ASSERT(node->receiver); QObject *sender = node->sender; // Send disconnectNotify before removing the connection from sender's connection list. // This ensures any eventual destructor of sender will block on getting receiver's lock // and not finish until we release it. sender->disconnectNotify(QMetaObjectPrivate::signal(sender->metaObject(), node->signal_index)); - QMutex *m = signalSlotLock(sender); + QBasicMutex *m = signalSlotLock(sender); node->prev = &node; bool needToUnlock = QOrderedMutexLocker::relock(signalSlotMutex, m); //the node has maybe been removed while the mutex was unlocked in relock? @@ -1004,9 +947,9 @@ QObject::~QObject() continue; } node->receiver = 0; - QObjectConnectionListVector *senderLists = sender->d_func()->connectionLists; - if (senderLists) - senderLists->dirty = true; + QObjectPrivate::ConnectionData *senderData = sender->d_func()->connections.load(); + if (senderData) + senderData->dirty = true; QtPrivate::QSlotObjectBase *slotObj = nullptr; if (node->isSlotObject) { @@ -1026,7 +969,12 @@ QObject::~QObject() locker.relock(); } } + + cd->objectDeleted = true; } + if (cd && !cd->ref.deref()) + delete cd; + d->connections.store(nullptr); if (!d->children.isEmpty()) d->deleteChildren(); @@ -1255,7 +1203,11 @@ bool QObject::event(QEvent *e) { QMetaCallEvent *mce = static_cast<QMetaCallEvent*>(e); - QConnectionSenderSwitcher sw(this, const_cast<QObject*>(mce->sender()), mce->signalId()); + if (!d_func()->connections.load()) { + QBasicMutexLocker locker(signalSlotLock(this)); + d_func()->ensureConnectionData(); + } + QObjectPrivate::Sender sender(this, const_cast<QObject*>(mce->sender()), mce->signalId()); mce->placeMetaCall(this); break; @@ -1559,9 +1511,11 @@ void QObjectPrivate::setThreadData_helper(QThreadData *currentData, QThreadData } // the current emitting thread shouldn't restore currentSender after calling moveToThread() - if (currentSender) - currentSender->ref = 0; - currentSender = 0; + ConnectionData *cd = connections.load(); + if (cd && cd->currentSender) { + cd->currentSender->receiverDeleted(); + cd->currentSender = nullptr; + } // set new thread data targetData->ref(); @@ -2370,13 +2324,14 @@ QObject *QObject::sender() const { Q_D(const QObject); - QMutexLocker locker(signalSlotLock(this)); - if (!d->currentSender) - return 0; + QBasicMutexLocker locker(signalSlotLock(this)); + QObjectPrivate::ConnectionData *cd = d->connections.load(); + if (!cd || !cd->currentSender) + return nullptr; - for (QObjectPrivate::Connection *c = d->senders; c; c = c->next) { - if (c->sender == d->currentSender->sender) - return d->currentSender->sender; + for (QObjectPrivate::Connection *c = cd->senders; c; c = c->next) { + if (c->sender == cd->currentSender->sender) + return cd->currentSender->sender; } return 0; @@ -2411,14 +2366,15 @@ int QObject::senderSignalIndex() const { Q_D(const QObject); - QMutexLocker locker(signalSlotLock(this)); - if (!d->currentSender) + QBasicMutexLocker locker(signalSlotLock(this)); + QObjectPrivate::ConnectionData *cd = d->connections.load(); + if (!cd || !cd->currentSender) return -1; - for (QObjectPrivate::Connection *c = d->senders; c; c = c->next) { - if (c->sender == d->currentSender->sender) { + for (QObjectPrivate::Connection *c = cd->senders; c; c = c->next) { + if (c->sender == cd->currentSender->sender) { // Convert from signal range to method range - return QMetaObjectPrivate::signal(c->sender->metaObject(), d->currentSender->signal).methodIndex(); + return QMetaObjectPrivate::signal(c->sender->metaObject(), cd->currentSender->signal).methodIndex(); } } @@ -2474,15 +2430,14 @@ int QObject::receivers(const char *signal) const signal_index); } - QMutexLocker locker(signalSlotLock(this)); - if (d->connectionLists) { - if (signal_index < d->connectionLists->count()) { - const QObjectPrivate::Connection *c = - d->connectionLists->at(signal_index).first; - while (c) { - receivers += c->receiver ? 1 : 0; - c = c->nextConnectionList; - } + QObjectPrivate::ConnectionData *cd = d->connections.load(); + QBasicMutexLocker locker(signalSlotLock(this)); + if (cd && signal_index < cd->signalVector.count()) { + const QObjectPrivate::Connection *c = + cd->signalVector.at(signal_index).first; + while (c) { + receivers += c->receiver ? 1 : 0; + c = c->nextConnectionList; } } } @@ -2522,22 +2477,8 @@ bool QObject::isSignalConnected(const QMetaMethod &signal) const signalIndex += QMetaObjectPrivate::signalOffset(signal.mobj); - QMutexLocker locker(signalSlotLock(this)); - if (d->connectionLists) { - if (signalIndex < sizeof(d->connectedSignals) * 8 && !d->connectionLists->dirty) - return d->isSignalConnected(signalIndex); - - if (signalIndex < uint(d->connectionLists->count())) { - const QObjectPrivate::Connection *c = - d->connectionLists->at(signalIndex).first; - while (c) { - if (c->receiver) - return true; - c = c->nextConnectionList; - } - } - } - return d->isDeclarativeSignalConnected(signalIndex); + QBasicMutexLocker locker(signalSlotLock(this)); + return d->isSignalConnected(signalIndex, true); } /*! @@ -3300,23 +3241,21 @@ QObjectPrivate::Connection *QMetaObjectPrivate::connect(const QObject *sender, int method_offset = rmeta ? rmeta->methodOffset() : 0; Q_ASSERT(!rmeta || QMetaObjectPrivate::get(rmeta)->revision >= 6); - QObjectPrivate::StaticMetaCallFunction callFunction = - rmeta ? rmeta->d.static_metacall : 0; + QObjectPrivate::StaticMetaCallFunction callFunction = rmeta ? rmeta->d.static_metacall : nullptr; QOrderedMutexLocker locker(signalSlotLock(sender), signalSlotLock(receiver)); - if (type & Qt::UniqueConnection) { - QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists; - if (connectionLists && connectionLists->count() > signal_index) { - const QObjectPrivate::Connection *c2 = - (*connectionLists)[signal_index].first; + QObjectPrivate::ConnectionData *scd = QObjectPrivate::get(s)->connections.load(); + if (type & Qt::UniqueConnection && scd) { + if (scd->signalVector.count() > signal_index) { + const QObjectPrivate::Connection *c2 = scd->signalVector.at(signal_index).first; int method_index_absolute = method_index + method_offset; while (c2) { if (!c2->isSlotObject && c2->receiver == receiver && c2->method() == method_index_absolute) - return 0; + return nullptr; c2 = c2->nextConnectionList; } } @@ -3380,7 +3319,7 @@ bool QMetaObject::disconnectOne(const QObject *sender, int signal_index, */ bool QMetaObjectPrivate::disconnectHelper(QObjectPrivate::Connection *c, const QObject *receiver, int method_index, void **slot, - QMutex *senderMutex, DisconnectType disconnectType) + QBasicMutex *senderMutex, DisconnectType disconnectType) { bool success = false; while (c) { @@ -3389,7 +3328,7 @@ bool QMetaObjectPrivate::disconnectHelper(QObjectPrivate::Connection *c, && (method_index < 0 || (!c->isSlotObject && c->method() == method_index)) && (slot == 0 || (c->isSlotObject && c->slotObj->compare(slot)))))) { bool needToUnlock = false; - QMutex *receiverMutex = 0; + QBasicMutex *receiverMutex = nullptr; if (c->receiver) { receiverMutex = signalSlotLock(c->receiver); // need to relock this receiver and sender in the correct order @@ -3437,41 +3376,36 @@ bool QMetaObjectPrivate::disconnect(const QObject *sender, QObject *s = const_cast<QObject *>(sender); - QMutex *senderMutex = signalSlotLock(sender); - QMutexLocker locker(senderMutex); + QBasicMutex *senderMutex = signalSlotLock(sender); + QBasicMutexLocker locker(senderMutex); - QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists; - if (!connectionLists) + QObjectPrivate::ConnectionData *scd = QObjectPrivate::get(s)->connections.load(); + if (!scd) return false; - // prevent incoming connections changing the connectionLists while unlocked - ++connectionLists->inUse; - bool success = false; - if (signal_index < 0) { - // remove from all connection lists - for (int sig_index = -1; sig_index < connectionLists->count(); ++sig_index) { - QObjectPrivate::Connection *c = - (*connectionLists)[sig_index].first; + { + // prevent incoming connections changing the connections->receivers while unlocked + QObjectPrivate::ConnectionDataPointer connections(scd); + + if (signal_index < 0) { + // remove from all connection lists + for (int sig_index = -1; sig_index < scd->signalVector.count(); ++sig_index) { + QObjectPrivate::Connection *c = scd->connectionsForSignal(sig_index).first; + if (disconnectHelper(c, receiver, method_index, slot, senderMutex, disconnectType)) { + success = true; + scd->dirty = true; + } + } + } else if (signal_index < scd->signalVector.count()) { + QObjectPrivate::Connection *c = scd->signalVector.at(signal_index).first; if (disconnectHelper(c, receiver, method_index, slot, senderMutex, disconnectType)) { success = true; - connectionLists->dirty = true; + scd->dirty = true; } } - } else if (signal_index < connectionLists->count()) { - QObjectPrivate::Connection *c = - (*connectionLists)[signal_index].first; - if (disconnectHelper(c, receiver, method_index, slot, senderMutex, disconnectType)) { - success = true; - connectionLists->dirty = true; - } } - --connectionLists->inUse; - Q_ASSERT(connectionLists->inUse >= 0); - if (connectionLists->orphaned && !connectionLists->inUse) - delete connectionLists; - locker.unlock(); if (success) { QMetaMethod smethod = QMetaObjectPrivate::signal(smeta, signal_index); @@ -3590,7 +3524,7 @@ void QMetaObject::connectSlotsByName(QObject *o) \a signal must be in the signal index range (see QObjectPrivate::signalIndex()). */ static void queued_activate(QObject *sender, int signal, QObjectPrivate::Connection *c, void **argv, - QMutexLocker &locker) + QBasicMutexLocker &locker) { const int *argumentTypes = c->argumentTypes.load(); if (!argumentTypes) { @@ -3643,89 +3577,53 @@ static void queued_activate(QObject *sender, int signal, QObjectPrivate::Connect QCoreApplication::postEvent(c->receiver, ev); } -/*! - \internal - */ -void QMetaObject::activate(QObject *sender, const QMetaObject *m, int local_signal_index, - void **argv) +template <bool callbacks_enabled> +void doActivate(QObject *sender, int signal_index, void **argv) { - activate(sender, QMetaObjectPrivate::signalOffset(m), local_signal_index, argv); -} - -/*! - \internal - */ -void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_index, void **argv) -{ - int signal_index = signalOffset + local_signal_index; + QObjectPrivate *sp = QObjectPrivate::get(sender); - if (sender->d_func()->blockSig) + if (sp->blockSig) return; - if (sender->d_func()->isDeclarativeSignalConnected(signal_index) + if (sp->isDeclarativeSignalConnected(signal_index) && QAbstractDeclarativeData::signalEmitted) { Q_TRACE(QMetaObject_activate_begin_declarative_signal, sender, signal_index); - QAbstractDeclarativeData::signalEmitted(sender->d_func()->declarativeData, sender, + QAbstractDeclarativeData::signalEmitted(sp->declarativeData, sender, signal_index, argv); Q_TRACE(QMetaObject_activate_end_declarative_signal, sender, signal_index); } - if (!sender->d_func()->isSignalConnected(signal_index, /*checkDeclarative =*/ false) - && !qt_signal_spy_callback_set.signal_begin_callback - && !qt_signal_spy_callback_set.signal_end_callback - && !Q_TRACE_ENABLED(QMetaObject_activate_begin_signal) - && !Q_TRACE_ENABLED(QMetaObject_activate_end_signal)) { - // The possible declarative connection is done, and nothing else is connected, so: - return; - } + const QSignalSpyCallbackSet *signal_spy_set = callbacks_enabled ? qt_signal_spy_callback_set.load() : nullptr; void *empty_argv[] = { nullptr }; if (!argv) argv = empty_argv; - if (qt_signal_spy_callback_set.signal_begin_callback != 0) { - qt_signal_spy_callback_set.signal_begin_callback(sender, signal_index, argv); + if (!sp->isSignalConnected(signal_index, false)) { + // The possible declarative connection is done, and nothing else is connected + if (callbacks_enabled && signal_spy_set->signal_begin_callback != nullptr) + signal_spy_set->signal_begin_callback(sender, signal_index, argv); + Q_TRACE(QMetaObject_activate_begin_signal, sender, signal_index); + Q_TRACE(QMetaObject_activate_end_signal, sender, signal_index); + if (callbacks_enabled && signal_spy_set->signal_end_callback != nullptr) + signal_spy_set->signal_end_callback(sender, signal_index); + return; } + + if (callbacks_enabled && signal_spy_set->signal_begin_callback != nullptr) + signal_spy_set->signal_begin_callback(sender, signal_index, argv); Q_TRACE(QMetaObject_activate_begin_signal, sender, signal_index); { - QMutexLocker locker(signalSlotLock(sender)); - struct ConnectionListsRef { - QObjectConnectionListVector *connectionLists; - ConnectionListsRef(QObjectConnectionListVector *connectionLists) : connectionLists(connectionLists) - { - if (connectionLists) - ++connectionLists->inUse; - } - ~ConnectionListsRef() - { - if (!connectionLists) - return; - - --connectionLists->inUse; - Q_ASSERT(connectionLists->inUse >= 0); - if (connectionLists->orphaned) { - if (!connectionLists->inUse) - delete connectionLists; - } - } - - QObjectConnectionListVector *operator->() const { return connectionLists; } - }; - ConnectionListsRef connectionLists = sender->d_func()->connectionLists; - if (!connectionLists.connectionLists) { - locker.unlock(); - if (qt_signal_spy_callback_set.signal_end_callback != 0) - qt_signal_spy_callback_set.signal_end_callback(sender, signal_index); - Q_TRACE(QMetaObject_activate_end_signal, sender, signal_index); - return; - } + QBasicMutexLocker locker(signalSlotLock(sender)); + Q_ASSERT(sp->connections); + QObjectPrivate::ConnectionDataPointer connections(sp->connections.load()); const QObjectPrivate::ConnectionList *list; - if (signal_index < connectionLists->count()) - list = &connectionLists->at(signal_index); + if (signal_index < connections->signalVector.count()) + list = &connections->signalVector.at(signal_index); else - list = &connectionLists->allsignals; + list = &connections->allsignals; Qt::HANDLE currentThreadId = QThread::currentThreadId(); @@ -3741,7 +3639,7 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i continue; QObject * const receiver = c->receiver; - const bool receiverInSameThread = currentThreadId == receiver->d_func()->threadData->threadId.load(); + const bool receiverInSameThread = currentThreadId == QObjectPrivate::get(receiver)->threadData->threadId.load(); // determine if this connection should be sent immediately or // put into the event queue @@ -3769,11 +3667,8 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i #endif } - QConnectionSenderSwitcher sw; + QObjectPrivate::Sender senderData(receiverInSameThread ? receiver : nullptr, sender, signal_index); - if (receiverInSameThread) { - sw.switchSender(receiver, sender, signal_index); - } if (c->isSlotObject) { c->slotObj->ref(); QScopedPointer<QtPrivate::QSlotObjectBase, QSlotObjectBaseDeleter> obj(c->slotObj); @@ -3790,57 +3685,85 @@ void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_i locker.relock(); } else if (c->callFunction && c->method_offset <= receiver->metaObject()->methodOffset()) { //we compare the vtable to make sure we are not in the destructor of the object. - const int methodIndex = c->method(); const int method_relative = c->method_relative; const auto callFunction = c->callFunction; locker.unlock(); - if (qt_signal_spy_callback_set.slot_begin_callback != 0) - qt_signal_spy_callback_set.slot_begin_callback(receiver, methodIndex, argv); + const int methodIndex = (Q_HAS_TRACEPOINTS || callbacks_enabled) ? c->method() : 0; + if (callbacks_enabled && signal_spy_set->slot_begin_callback != nullptr) + signal_spy_set->slot_begin_callback(receiver, methodIndex, argv); Q_TRACE(QMetaObject_activate_begin_slot, receiver, methodIndex); callFunction(receiver, QMetaObject::InvokeMetaMethod, method_relative, argv); Q_TRACE(QMetaObject_activate_end_slot, receiver, methodIndex); - if (qt_signal_spy_callback_set.slot_end_callback != 0) - qt_signal_spy_callback_set.slot_end_callback(receiver, methodIndex); + if (callbacks_enabled && signal_spy_set->slot_end_callback != nullptr) + signal_spy_set->slot_end_callback(receiver, methodIndex); locker.relock(); } else { const int method = c->method_relative + c->method_offset; locker.unlock(); - if (qt_signal_spy_callback_set.slot_begin_callback != 0) { - qt_signal_spy_callback_set.slot_begin_callback(receiver, method, argv); + if (callbacks_enabled && signal_spy_set->slot_begin_callback != nullptr) { + signal_spy_set->slot_begin_callback(receiver, method, argv); } Q_TRACE(QMetaObject_activate_begin_slot, receiver, method); - metacall(receiver, QMetaObject::InvokeMetaMethod, method, argv); + QMetaObject::metacall(receiver, QMetaObject::InvokeMetaMethod, method, argv); Q_TRACE(QMetaObject_activate_end_slot, receiver, method); - if (qt_signal_spy_callback_set.slot_end_callback != 0) - qt_signal_spy_callback_set.slot_end_callback(receiver, method); + if (callbacks_enabled && signal_spy_set->slot_end_callback != nullptr) + signal_spy_set->slot_end_callback(receiver, method); locker.relock(); } - if (connectionLists->orphaned) + if (connections->objectDeleted) break; } while (c != last && (c = c->nextConnectionList) != 0); - if (connectionLists->orphaned) + if (connections->objectDeleted) break; - } while (list != &connectionLists->allsignals && + } while (list != &connections->allsignals && //start over for all signals; - ((list = &connectionLists->allsignals), true)); + ((list = &connections->allsignals), true)); } - if (qt_signal_spy_callback_set.signal_end_callback != 0) - qt_signal_spy_callback_set.signal_end_callback(sender, signal_index); + if (callbacks_enabled && signal_spy_set->signal_end_callback != nullptr) + signal_spy_set->signal_end_callback(sender, signal_index); Q_TRACE(QMetaObject_activate_end_signal, sender, signal_index); + } /*! \internal + */ +void QMetaObject::activate(QObject *sender, const QMetaObject *m, int local_signal_index, + void **argv) +{ + int signal_index = local_signal_index + QMetaObjectPrivate::signalOffset(m); + + if (Q_UNLIKELY(qt_signal_spy_callback_set.load())) + doActivate<true>(sender, signal_index, argv); + else + doActivate<false>(sender, signal_index, argv); +} + +/*! + \internal + */ +void QMetaObject::activate(QObject *sender, int signalOffset, int local_signal_index, void **argv) +{ + int signal_index = signalOffset + local_signal_index; + + if (Q_UNLIKELY(qt_signal_spy_callback_set.load())) + doActivate<true>(sender, signal_index, argv); + else + doActivate<false>(sender, signal_index, argv); + } + +/*! + \internal signal_index comes from indexOfMethod() */ void QMetaObject::activate(QObject *sender, int signal_index, void **argv) @@ -3853,7 +3776,7 @@ void QMetaObject::activate(QObject *sender, int signal_index, void **argv) /*! \internal - Returns the signal index used in the internal connectionLists vector. + Returns the signal index used in the internal connections->receivers vector. It is different from QMetaObject::indexOfSignal(): indexOfSignal is the same as indexOfMethod while QObjectPrivate::signalIndex is smaller because it doesn't give index to slots. @@ -4093,19 +4016,19 @@ void QObject::dumpObjectInfo() const objectName().isEmpty() ? "unnamed" : objectName().toLocal8Bit().data()); Q_D(const QObject); - QMutexLocker locker(signalSlotLock(this)); + QBasicMutexLocker locker(signalSlotLock(this)); // first, look for connections where this object is the sender qDebug(" SIGNALS OUT"); - if (d->connectionLists) { - for (int signal_index = 0; signal_index < d->connectionLists->count(); ++signal_index) { + QObjectPrivate::ConnectionData *cd = d->connections.load(); + if (cd && cd->signalVector.count()) { + for (int signal_index = 0; signal_index < cd->signalVector.count(); ++signal_index) { const QMetaMethod signal = QMetaObjectPrivate::signal(metaObject(), signal_index); qDebug(" signal: %s", signal.methodSignature().constData()); // receivers - const QObjectPrivate::Connection *c = - d->connectionLists->at(signal_index).first; + const QObjectPrivate::Connection *c = cd->signalVector.at(signal_index).first; while (c) { if (!c->receiver) { qDebug(" <Disconnected receiver>"); @@ -4133,8 +4056,8 @@ void QObject::dumpObjectInfo() const // now look for connections where this object is the receiver qDebug(" SIGNALS IN"); - if (d->senders) { - for (QObjectPrivate::Connection *s = d->senders; s; s = s->next) { + if (cd && cd->senders) { + for (QObjectPrivate::Connection *s = cd->senders; s; s = s->next) { QByteArray slotName = QByteArrayLiteral("<unknown>"); if (!s->isSlotObject) { const QMetaMethod slot = metaObject()->method(s->method()); @@ -4869,11 +4792,10 @@ QMetaObject::Connection QObjectPrivate::connectImpl(const QObject *sender, int s QOrderedMutexLocker locker(signalSlotLock(sender), signalSlotLock(receiver)); - if (type & Qt::UniqueConnection && slot) { - QObjectConnectionListVector *connectionLists = QObjectPrivate::get(s)->connectionLists; - if (connectionLists && connectionLists->count() > signal_index) { - const QObjectPrivate::Connection *c2 = - (*connectionLists)[signal_index].first; + if (type & Qt::UniqueConnection && slot && QObjectPrivate::get(s)->connections.load()) { + QObjectPrivate::ConnectionData *connections = QObjectPrivate::get(s)->connections.load(); + if (connections->signalVector.count() > signal_index) { + const QObjectPrivate::Connection *c2 = connections->signalVector.at(signal_index).first; while (c2) { if (c2->receiver == receiver && c2->isSlotObject && c2->slotObj->compare(slot)) { @@ -4924,20 +4846,20 @@ bool QObject::disconnect(const QMetaObject::Connection &connection) if (!c || !c->receiver) return false; - QMutex *senderMutex = signalSlotLock(c->sender); - QMutex *receiverMutex = signalSlotLock(c->receiver); + QBasicMutex *senderMutex = signalSlotLock(c->sender); + QBasicMutex *receiverMutex = signalSlotLock(c->receiver); { QOrderedMutexLocker locker(senderMutex, receiverMutex); - QObjectConnectionListVector *connectionLists = QObjectPrivate::get(c->sender)->connectionLists; - Q_ASSERT(connectionLists); - connectionLists->dirty = true; + QObjectPrivate::ConnectionData *connections = QObjectPrivate::get(c->sender)->connections.load(); + Q_ASSERT(connections); + connections->dirty = true; *c->prev = c->next; if (c->next) c->next->prev = c->prev; - c->receiver = 0; + c->receiver = nullptr; } // destroy the QSlotObject, if possible @@ -4949,7 +4871,7 @@ bool QObject::disconnect(const QMetaObject::Connection &connection) c->sender->disconnectNotify(QMetaObjectPrivate::signal(c->sender->metaObject(), c->signal_index)); - const_cast<QMetaObject::Connection &>(connection).d_ptr = 0; + const_cast<QMetaObject::Connection &>(connection).d_ptr = nullptr; c->deref(); // has been removed from the QMetaObject::Connection object return true; diff --git a/src/corelib/kernel/qobject_p.h b/src/corelib/kernel/qobject_p.h index a762e6f529..823c7a195a 100644 --- a/src/corelib/kernel/qobject_p.h +++ b/src/corelib/kernel/qobject_p.h @@ -79,9 +79,9 @@ struct QSignalSpyCallbackSet EndCallback signal_end_callback, slot_end_callback; }; -void Q_CORE_EXPORT qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &callback_set); +void Q_CORE_EXPORT qt_register_signal_spy_callbacks(QSignalSpyCallbackSet *callback_set); -extern QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set; +extern Q_CORE_EXPORT QBasicAtomicPointer<QSignalSpyCallbackSet> qt_signal_spy_callback_set; enum { QObjectPrivateVersion = QT_VERSION }; @@ -167,11 +167,69 @@ public: struct Sender { + Sender(QObject *receiver, QObject *sender, int signal) + : receiver(receiver), sender(sender), signal(signal) + { + if (receiver) { + ConnectionData *cd = receiver->d_func()->connections.load(); + previous = cd->currentSender; + cd->currentSender = this; + } + } + ~Sender() + { + if (receiver) + receiver->d_func()->connections.load()->currentSender = previous; + } + void receiverDeleted() + { + Sender *s = this; + while (s) { + s->receiver = nullptr; + s = s->previous; + } + } + Sender *previous; + QObject *receiver; QObject *sender; int signal; - int ref; }; + /* + This contains the all connections from and to an object. + + The signalVector contains the lists of connections for a given signal. The index in the vector correspond + to the signal index. The signal index is the one returned by QObjectPrivate::signalIndex (not + QMetaObject::indexOfSignal). allsignals contains a list of special connections that will get invoked on + any signal emission. This is done by connecting to signal index -1. + + This vector is protected by the object mutex (signalSlotLock()) + + Each Connection is also part of a 'senders' linked list. This one contains all connections connected + to a slot in this object. The mutex of the receiver must be locked when touching the pointers of this + linked list. + */ + struct ConnectionData { + bool objectDeleted = false; //the QObject owner of this vector has been destroyed while the vector was inUse + struct Ref { + int _ref = 0; + void ref() { ++_ref; } + int deref() { return --_ref; } + operator int() const { return _ref; } + }; + + Ref ref; + bool dirty = false; //some Connection have been disconnected (their receiver is 0) but not removed from the list yet + ConnectionList allsignals; + QVector<ConnectionList> signalVector; + Connection *senders = nullptr; + Sender *currentSender = nullptr; // object currently activating the object + + ConnectionList &connectionsForSignal(int signal) + { + return signal < 0 ? allsignals : signalVector[signal]; + } + }; QObjectPrivate(int version = QObjectPrivateVersion); virtual ~QObjectPrivate(); @@ -189,19 +247,13 @@ public: void addConnection(int signal, Connection *c); void cleanConnectionLists(); - static inline Sender *setCurrentSender(QObject *receiver, - Sender *sender); - static inline void resetCurrentSender(QObject *receiver, - Sender *currentSender, - Sender *previousSender); - static QObjectPrivate *get(QObject *o) { return o->d_func(); } static const QObjectPrivate *get(const QObject *o) { return o->d_func(); } int signalIndex(const char *signalName, const QMetaObject **meta = nullptr) const; - inline bool isSignalConnected(uint signalIdx, bool checkDeclarative = true) const; + bool isSignalConnected(uint signalIdx, bool checkDeclarative = true) const; inline bool isDeclarativeSignalConnected(uint signalIdx) const; // To allow abitrary objects to call connectNotify()/disconnectNotify() without making @@ -224,15 +276,21 @@ public: const int *types, const QMetaObject *senderMetaObject); static QMetaObject::Connection connect(const QObject *sender, int signal_index, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type); static bool disconnect(const QObject *sender, int signal_index, void **slot); + + void ensureConnectionData() + { + if (connections.load()) + return; + ConnectionData *cd = new ConnectionData; + cd->ref.ref(); + connections.store(cd); + } public: ExtraData *extraData; // extra data set by the user QThreadData *threadData; // id of the thread that owns the object - QObjectConnectionListVector *connectionLists; - - Connection *senders; // linked list of connections connected to this object - Sender *currentSender; // object currently activating the object - mutable quint32 connectedSignals[2]; + using ConnectionDataPointer = QExplicitlySharedDataPointer<ConnectionData>; + QAtomicPointer<ConnectionData> connections; union { QObject *currentChildBeingDeleted; // should only be used when QObjectData::isDeletingChildren is set @@ -246,47 +304,12 @@ public: Q_DECLARE_TYPEINFO(QObjectPrivate::ConnectionList, Q_MOVABLE_TYPE); -/*! \internal - - Returns \c true if the signal with index \a signal_index from object \a sender is connected. - Signals with indices above a certain range are always considered connected (see connectedSignals - in QObjectPrivate). - - \a signal_index must be the index returned by QObjectPrivate::signalIndex; -*/ -inline bool QObjectPrivate::isSignalConnected(uint signal_index, bool checkDeclarative) const -{ - return signal_index >= sizeof(connectedSignals) * 8 - || (connectedSignals[signal_index >> 5] & (1 << (signal_index & 0x1f)) - || (checkDeclarative && isDeclarativeSignalConnected(signal_index))); -} - inline bool QObjectPrivate::isDeclarativeSignalConnected(uint signal_index) const { return declarativeData && QAbstractDeclarativeData::isSignalConnected && QAbstractDeclarativeData::isSignalConnected(declarativeData, q_func(), signal_index); } -inline QObjectPrivate::Sender *QObjectPrivate::setCurrentSender(QObject *receiver, - Sender *sender) -{ - Sender *previousSender = receiver->d_func()->currentSender; - receiver->d_func()->currentSender = sender; - return previousSender; -} - -inline void QObjectPrivate::resetCurrentSender(QObject *receiver, - Sender *currentSender, - Sender *previousSender) -{ - // ref is set to zero when this object is deleted during the metacall - if (currentSender->ref == 1) - receiver->d_func()->currentSender = previousSender; - // if we've recursed, we need to tell the caller about the objects deletion - if (previousSender) - previousSender->ref = currentSender->ref; -} - inline void QObjectPrivate::connectNotify(const QMetaMethod &signal) { q_ptr->connectNotify(signal); diff --git a/src/corelib/kernel/qtcore_eval.cpp b/src/corelib/kernel/qtcore_eval.cpp deleted file mode 100644 index 5437210699..0000000000 --- a/src/corelib/kernel/qtcore_eval.cpp +++ /dev/null @@ -1,560 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** 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 -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <qcoreevent.h> -#include <qdatetime.h> -#include <qlibraryinfo.h> -#include <qobject.h> -#include <qcoreapplication.h> -#include <private/qcoreapplication_p.h> - -#include "stdio.h" -#include "stdlib.h" - -QT_BEGIN_NAMESPACE - -#include "qconfig_eval.cpp" - -static const char boilerplate_supported_but_time_limited[] = - "\nQt %1 Evaluation License\n" - "Copyright (C) 2016 The Qt Company Ltd.\n" - "This trial version may only be used for evaluation purposes\n" - "and will shut down after 120 minutes.\n" - "Registered to:\n" - " Licensee: %2\n\n" - "The evaluation expires in %4 days\n\n" - "Contact http://www.qt.io/contact-us for pricing and purchasing information.\n"; - -static const char boilerplate_supported[] = - "\nQt %1 Evaluation License\n" - "Copyright (C) 2016 The Qt Company Ltd.\n" - "This trial version may only be used for evaluation purposes\n" - "Registered to:\n" - " Licensee: %2\n\n" - "The evaluation expires in %4 days\n\n" - "Contact http://www.qt.io/contact-us for pricing and purchasing information.\n"; - -static const char boilerplate_expired[] = - "This software is using the trial version of the Qt GUI toolkit.\n" - "The trial period has expired. If you need more time to\n" - "evaluate Qt, or if you have any questions about Qt, contact us\n" - "at: http://www.qt.io/contact-us.\n\n"; - -static const char will_shutdown_1min[] = - "\nThe evaluation of Qt will SHUT DOWN in 1 minute.\n" - "Contact http://www.qt.io/contact-us for pricing and purchasing information.\n"; - -static const char will_shutdown_now[] = - "\nThe evaluation of Qt has now reached its automatic\n" - "timeout and will shut down.\n" - "Contact http://www.qt.io/contact-us for pricing and purchasing information.\n"; - -enum EvaluationStatus { - EvaluationNotSupported = 0, - EvaluationSupportedButTimeLimited, - EvaluationSupported -}; - -static EvaluationStatus qt_eval_is_supported() -{ - const volatile char *const license_key = qt_eval_key_data + 12; - - // fast fail - if (!qt_eval_key_data[0] || !*license_key) - return EvaluationNotSupported; - - // is this an unsupported evaluation? - const volatile char *typecode = license_key; - int field = 2; - for ( ; field && *typecode; ++typecode) - if (*typecode == '-') - --field; - - if (!field && typecode[1] == '4' && typecode[2] == 'M') { - if (typecode[0] == 'Q') - return EvaluationSupportedButTimeLimited; - else if (typecode[0] == 'R' || typecode[0] == 'Z') - return EvaluationSupported; - } - return EvaluationNotSupported; -} - -static int qt_eval_days_left() -{ - const volatile char *const expiry_date = qt_eval_expiry_date + 12; - - QDate today = QDate::currentDate(); - QDate lastday = QDate::fromString( - QString::fromLatin1(const_cast<const char*>(expiry_date)), Qt::ISODate); - return today.daysTo(lastday); -} - -static bool qt_eval_is_expired() -{ - return qt_eval_days_left() < 0; -} - -static QString qt_eval_string() -{ - const char *msg; - switch (qt_eval_is_supported()) { - case EvaluationSupportedButTimeLimited: - msg = boilerplate_supported_but_time_limited; - break; - case EvaluationSupported: - msg = boilerplate_supported; - break; - default: - return QString(); - } - - return QString::fromLatin1(msg) - .arg(QLatin1String(QT_VERSION_STR)) - .arg(QLibraryInfo::licensee()) - .arg(qt_eval_days_left()); -} - -#define WARN_TIMEOUT 60 * 1000 * 119 -#define KILL_DELAY 60 * 1000 * 1 - -class QCoreFuriCuri : public QObject -{ -public: - - int warn; - int kill; - - QCoreFuriCuri() : QObject(), warn(-1), kill(-1) - { - if (qt_eval_is_supported() == EvaluationSupportedButTimeLimited) { - warn = startTimer(WARN_TIMEOUT); - kill = 0; - } - } - - void timerEvent(QTimerEvent *e) override { - if (e->timerId() == warn) { - killTimer(warn); - fprintf(stderr, "%s\n", will_shutdown_1min); - kill = startTimer(KILL_DELAY); - } else if (e->timerId() == kill) { - fprintf(stderr, "%s\n", will_shutdown_now); - QCoreApplication::instance()->quit(); - } - } -}; - -#if defined(QT_BUILD_CORE_LIB) || defined (QT_BOOTSTRAPPED) - -void qt_core_eval_init(QCoreApplicationPrivate::Type type) -{ - if (type != QCoreApplicationPrivate::Tty) - return; - - if (!qt_eval_is_supported()) - return; - - if (qt_eval_is_expired()) { - fprintf(stderr, "%s\n", boilerplate_expired); - exit(0); - } else { - fprintf(stderr, "%s\n", qPrintable(qt_eval_string())); - Q_UNUSED(new QCoreFuriCuri()); - } -} -#endif - -#ifdef QT_BUILD_WIDGETS_LIB - -QT_BEGIN_INCLUDE_NAMESPACE -#include <qdialog.h> -#include <qlabel.h> -#include <qlayout.h> -#include <qmessagebox.h> -#if QT_CONFIG(pushbutton) -#include <qpushbutton.h> -#endif -#include <qtimer.h> -#include <qapplication.h> -QT_END_INCLUDE_NAMESPACE - - -static const char * const qtlogo_eval_xpm[] = { -/* columns rows colors chars-per-pixel */ -"46 55 174 2", -" c #002E02", -". c #00370D", -"X c #003A0E", -"o c #003710", -"O c #013C13", -"+ c #043E1A", -"@ c #084F0A", -"# c #0B520C", -"$ c #054413", -"% c #0C4C17", -"& c #07421D", -"* c #09451D", -"= c #0D491E", -"- c #125515", -"; c #13541A", -": c #17591B", -"> c #1B5C1D", -", c #1F611F", -"< c #20621E", -"1 c #337B1E", -"2 c #0B4521", -"3 c #0F4923", -"4 c #114B24", -"5 c #154D2A", -"6 c #175323", -"7 c #1C5924", -"8 c #1C532F", -"9 c #1E5432", -"0 c #245936", -"q c #265938", -"w c #295C3B", -"e c #246324", -"r c #266823", -"t c #2A6C24", -"y c #276628", -"u c #2D7026", -"i c #327427", -"p c #367927", -"a c #37782A", -"s c #397C2A", -"d c #2E613E", -"f c #336C37", -"g c #2F6040", -"h c #356545", -"j c #3C6B4E", -"k c #3F6C51", -"l c #406E4F", -"z c #406D52", -"x c #477457", -"c c #497557", -"v c #4B7857", -"b c #517B5E", -"n c #3C8423", -"m c #3E812C", -"M c #53A61D", -"N c #41862C", -"B c #458A2D", -"V c #498F2D", -"C c #479324", -"Z c #489226", -"A c #4D952C", -"S c #478B30", -"D c #488C30", -"F c #4D9232", -"G c #509632", -"H c #549A33", -"J c #589F35", -"K c #56A526", -"L c #57A821", -"P c #5BAA27", -"I c #57A32A", -"U c #5CA72E", -"Y c #5DAB2A", -"T c #5CA336", -"R c #60AD2E", -"E c #63B12D", -"W c #65AF35", -"Q c #62A53F", -"! c #65AE39", -"~ c #66B036", -"^ c #6AB437", -"/ c #67B138", -"( c #6AB339", -") c #6DB838", -"_ c #70BA3C", -"` c #4D8545", -"' c #4E8942", -"] c #548851", -"[ c #6FAF4A", -"{ c #6DB243", -"} c #71B546", -"| c #70B840", -" . c #73B648", -".. c #79BA4E", -"X. c #7CBB53", -"o. c #598266", -"O. c #62886D", -"+. c #6A8F75", -"@. c #6B9173", -"#. c #70937A", -"$. c #799F79", -"%. c #7BAF66", -"&. c #81BD5B", -"*. c #85BF60", -"=. c #85AC7F", -"-. c #8DBA7B", -";. c #87C061", -":. c #8AC364", -">. c #8DC46A", -",. c #90C56E", -"<. c #93C771", -"1. c #96CA73", -"2. c #9ACB7C", -"3. c #9FD07D", -"4. c #779981", -"5. c #7F9F89", -"6. c #809F88", -"7. c #82A18B", -"8. c #86A192", -"9. c #8DA994", -"0. c #8FA998", -"q. c #94AF9B", -"w. c #97B991", -"e. c #97B19E", -"r. c #9DB6A3", -"t. c #A3BCA7", -"y. c #A6BCAB", -"u. c #A9BEB1", -"i. c #9ECD81", -"p. c #A2CF85", -"a. c #A5D284", -"s. c #A6D189", -"d. c #A9D28E", -"f. c #ABD491", -"g. c #B1D797", -"h. c #B1D699", -"j. c #B5D89E", -"k. c #ADC5AC", -"l. c #B1CAAE", -"z. c #B9DAA3", -"x. c #BDDDA8", -"c. c #ADC1B4", -"v. c #B2C6B6", -"b. c #B5C6BC", -"n. c #B6C9BA", -"m. c #BCD1BA", -"M. c #C6E1B4", -"N. c #CDE5BD", -"B. c #C2D2C6", -"V. c #CADEC2", -"C. c #C6D3CC", -"Z. c #C8D7CB", -"A. c #CEDAD2", -"S. c #D2DDD4", -"D. c #D3E9C6", -"F. c #D7EBC9", -"G. c #D9EBCD", -"H. c #DEEED4", -"J. c #D6E0D9", -"K. c #DAE4DC", -"L. c #E0EFD7", -"P. c #E5F2DD", -"I. c #DFE8E0", -"U. c #E4EBE5", -"Y. c #E9EFEA", -"T. c #EDF4EB", -"R. c #F0FAE6", -"E. c #F1F8EC", -"W. c #EDF0F0", -"Q. c #F4F7F3", -"!. c #F6F9F4", -"~. c #F8FAF7", -"^. c #FEFEFE", -"/. c None", -/* pixels */ -"/././././.c h ' Q / W _ &.p././././././././././././././././././././././././././././././././.", -"/././.4 O % Z ~ ~ W ~ W R U R R ( X.>.p././././././././././././././././././././././././././.", -"/./.. * = J _ ~ ~ ~ ~ ~ / / / / W W U P P U W .;.2././././././././././././././././././././.", -"/.= = & a ) W ~ ~ ~ ~ ~ / W / ~ ~ ~ ^ ( ( ^ ~ R R U P Y ~ .;.2././././././././././././././.", -"O.O = = T ^ W ~ ~ ~ ~ ~ ~ W W / W ~ ~ ~ ~ ~ ~ ~ ( ( ( ( ~ W Y Y Y Y W { &.1././././././././.", -"0 = * 7 ~ ~ ~ ~ ~ ~ ~ ~ ~ / / W ~ ~ ~ ~ ~ ~ ~ ~ W W W ~ ~ ~ ~ ( ( ( W W R U P U W { X.1.f./.", -"= = & e ^ W ~ ~ ~ ~ ~ ~ ~ ~ / / ~ ~ ~ ~ ~ ~ ~ ~ W ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ^ ( ( / ~ W R U U Y ", -"= = & e ^ W ~ ~ ~ ~ ~ ~ ~ ~ W W ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ( W ~ ~ ~ ^ ^ ( ", -"= = * e ^ W ~ ~ ~ ~ ~ ~ / W / W ! ( / ~ W ^ ( ( ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ~ W W ~ ~ ~ ~ ~ ~ ", -"= = & e ^ ! ~ ~ ~ ~ ~ ~ W W ^ _ ~ K Y W W R P Y W ( ~ ~ ~ ~ ~ ~ ~ W / ~ ~ ~ ^ W ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ ~ ~ ~ ~ W ) W 1 ` w.V.L.H.D.z.,.~ Y ^ ~ ~ ~ ~ ~ W ~ ~ ~ ( ~ W W ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ ~ ~ ~ W ) V = 8.~.^.^.^.^.^.^.^.U.<.Y ~ ~ ~ ~ ~ W W ! ~ Y W ^ W ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ ~ ~ W ^ B O u.^.~.^.^.^.^.~.~.^.^.^.h.Y ^ ~ ~ ^ F $ k.R.G.1.Y / ~ ~ ~ ~ ~ ~ ", -"= = & e ^ ~ ~ ~ / W ( J X 7.^.~.^.^.^.^.^.^.^.^.^.^.^.s.Y / W ) a 2 U.^.^.d.U ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W / ~ ~ ~ ^ > w ~.^.^.^.^.^.F.%.v c.^.^.^.^.~.X.W ~ ^ > h ^.^.^.d.P ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ W ^ H o e.^.^.^.^.^.G.Y E n . y.^.^.^.^.M.Y ( ! $ @.^.~.^.f.U ( / ~ ~ W ~ ~ ", -"= = & e ^ W ~ W ! ) t 4 U.^.^.^.^.^.>.U ( _ , 9 ~.^.^.^.~...^ A y.^.~.^.s.M W Y ~ ~ ~ ~ ~ ", -"= 3 & e ^ W ~ ( ^ ( $ c ^.^.^.^.^.E.) ~ ~ ^ S o n.^.^.^.^.=.- l.v.Y.^.^.^.M.:.:.X.~ ~ ~ ~ ~ ", -"= = & e ^ ! W W ( J X 7.^.^.^.^.^.F.Y ( W ^ T X 6.^.^.~.^.c.. J.^.^.^.^.^.^.^.^.P.~ ~ ~ ~ ~ ", -"= = & r ^ W / W ) B o v.^.~.^.^.^.M.U / ~ ~ ! $ o.^.^.^.^.K.* S.^.^.^.^.^.^.^.^.P.~ ~ ~ ~ ~ ", -"= = & e ^ ! ~ W ) a + S.^.^.^.^.^.z.P ( W ~ ( % z ^.^.^.^.~.f t.U.^.^.^.^.~.^.^.P.~ ~ ~ ~ ~ ", -"* = & e ^ W ~ W ) t 3 Y.^.^.^.^.^.f.P ( ~ ~ ^ ; h ^.^.^.^.^.:.@ j ^.^.^.^.h.{ X.&.~ ~ ~ ~ ~ ", -"3 = & e ^ W ~ ~ ^ e 8 Q.^.^.^.^.^.s.P ~ ~ W ^ > 0 ~.^.^.^.^.1.# z ^.^.^.^.d.L W R ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ ^ > q ~.^.^.^.^.^.p.U ^ ~ W ) e 9 ~.^.^.^.^.3.# k ^.^.^.^.f.Y ( / ~ ~ ~ ~ ~ ", -"= = & e ^ W / W ^ > w ~.^.^.^.^.^.i.Y / ~ W ^ e 8 Q.^.^.^.^.a.# z ^.^.^.^.f.Y / ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W / W ^ > w ^.^.^.^.^.^.2.Y / ~ ~ ) e 8 Q.^.^.^.^.s.# z ^.^.^.^.d.P ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W W W ^ > q ^.^.^.^.^.^.p.Y / ~ ~ ^ e 9 Q.^.^.^.^.a.@ z ^.^.^.^.f.U / ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W / W ) 7 9 Q.^.^.^.^.^.a.P / ~ W ) , 9 Q.^.^.^.^.3.# z ^.^.~.^.f.P ^ ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W / W ) r 5 T.^.^.^.^.^.d.Y / ~ W ) > q ~.^.^.^.^.1.# k ^.^.^.^.f.Y ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ / / W ) i 2 I.^.^.^.^.^.h.P ( ~ W ( > g ^.^.^.^.^.:.# z ^.^.^.^.f.P / ~ ~ ~ ~ ~ ~ ", -"= = & e ( W / W ) m O Z.^.^.^.^.^.x.P / ~ ~ ( ; j ^.^.^.^.~.&.- k ^.^.~.^.f.P / ~ ~ ~ ~ ~ ~ ", -"= = & e ( W / W ) F o y.^.~.^.^.^.N.U ( ~ ~ W $ b ^.^.^.^.R._ - k ^.^.^.^.f.Y ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ ^ J X 4.^.^.^.^.^.L.~ ~ W ^ T X #.^.^.^.^.F.~ ; j ^.^.^.^.f.U ( ~ ~ ~ ~ ~ ~ ", -"= = & e ^ ~ ~ ~ / ^ % l ^.^.^.^.^.!. .R ^ ^ G . r.^.~.^.^.j.E : j ^.^.^.^.f.P ) ( ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ W ) u = U.^.^.^.^.^.1.Y ! ) a & K.^.^.^.^.;.~ : j ^.^.~.^.z.M I I / ~ ~ W ~ ", -"= = & e ( W ~ ~ W ( G . q.^.^.^.^.^.D.U ^ ! X o.^.^.^.^.P.~ ^ > g ^.^.^.^.E.-.$.m.X.W ~ ~ ~ ", -"= = & e ^ / ~ ~ ^ ! ( > w ~.^.^.^.^.^.h.T > j T.^.^.~.^.a.Y _ i 3 U.^.^.^.^.^.^.^.X.R ~ ~ ~ ", -"= = & e ^ / ~ ~ W W ^ H . 9.^.~.^.^.^.^.K.C.~.^.^.^.^.H.W W ^ T . q.^.~.^.^.^.^.^.X.R ~ ~ ~ ", -"= = + e ^ W / ~ W W W ) m + B.^.~.^.^.^.^.^.^.^.^.^.E.X.Y ( W ^ B 6 y.^.^.^.E.D.2.( ~ ~ ~ ~ ", -"= = * e ^ ! / ! W ^ W W ) a 4 b.^.^.^.^.^.^.^.^.^.P...Y ( ! W ! ^ W Z [ *.X.{ Y U ~ ~ ~ ~ ~ ", -"= = & e ( W ~ ~ W / W / W ) A < +.A.~.^.^.^.^.!.p.W R ~ ~ ~ ~ ~ W / ) E U W W / ^ ~ ~ ~ ~ ~ ", -"= = & e ^ W ~ ~ / W / / / W ( _ Z X 6.^.^.^.^.E.W ~ ^ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ / ~ ~ ~ ~ ~ ~ ~ ~ ", -"= = & e ^ ~ ~ ~ W W / W ~ ~ ~ ~ ) ; h ^.^.^.^.^.d.M U ~ / ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ", -"= = & e ^ W ~ ~ ^ W W / ~ ~ ~ W ) p + S.^.^.^.^.~.M.f. .W ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ .", -"= = & e ^ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ( T O +.^.~.^.^.^.^.^.&.Y ( ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ( Y 2.", -"= = & e ( W ~ ~ ~ ~ ~ ~ ~ ~ ~ / W ) N + b.^.^.^.^.^.^.&.R ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W /.", -"= = & e ^ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W ^ N 7 r.W.^.^.^.!.X.W ~ ~ W ~ W ~ ~ ~ ~ ~ ~ / ( ( K p./.", -"= = & e ( W ~ ~ W ~ ~ ~ ~ ~ ~ ~ ~ ~ W ( W C Q &.:.X.| ~ ~ ~ ~ W ~ / ~ ( / ( ~ W E U P 1././.", -"= = + e ^ / / / ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W / ) ^ R Y W W ~ ~ ( / ( / W R Y Y U R ( X.,././././.", -"= = * e ( / ~ / ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ W W W ! ( ( ( W W E U P Y W ( X.,.d./././././././././.", -"= = * e ( W ~ ~ ~ ~ W ! ~ W ~ W ~ ( ( / ^ W W U Y P W ( X.,.d./././././././././././././././.", -"8 $ * e ( W ~ ~ ~ ! ( ( ( / ( W R Y Y Y R ( X.>.d./././././././././././././././././././././.", -"/.d . y ^ / / / ( W Y Y P P W ( X.>.d./././././././././././././././././././././././././././.", -"/./.h : ^ R R R W ( X.<.f./././././././././././././././././././././././././././././././././.", -"/././.] _ *.3./././././././././././././././././././././././././././././././././././././././." -}; - -class EvalMessageBox : public QDialog -{ -public: - EvalMessageBox(bool expired) - { - setWindowTitle(QLatin1String(" ")); - - QString str = expired ? QLatin1String(boilerplate_expired) : qt_eval_string(); - str = str.trimmed(); - - QFrame *border = new QFrame(this); - - QLabel *pixmap_label = new QLabel(border); - pixmap_label->setPixmap(QPixmap(qtlogo_eval_xpm)); - pixmap_label->setAlignment(Qt::AlignTop); - - QLabel *text_label = new QLabel(str, border); - - QHBoxLayout *pm_and_text_layout = new QHBoxLayout(); - pm_and_text_layout->addWidget(pixmap_label); - pm_and_text_layout->addWidget(text_label); - - QVBoxLayout *master_layout = new QVBoxLayout(border); - master_layout->addLayout(pm_and_text_layout); - - QVBoxLayout *border_layout = new QVBoxLayout(this); - border_layout->setMargin(0); - border_layout->addWidget(border); - - if (expired) { - QPushButton *cmd = new QPushButton(QLatin1String("OK"), border); - cmd->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); - cmd->setDefault(true); - - QHBoxLayout *button_layout = new QHBoxLayout(); - master_layout->addLayout(button_layout); - button_layout->addWidget(cmd); - - connect(cmd, SIGNAL(clicked()), this, SLOT(close())); - } else { - border->setFrameShape(QFrame::WinPanel); - border->setFrameShadow(QFrame::Raised); - setParent(parentWidget(), Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint); - QTimer::singleShot(7000, this, SLOT(close())); - setAttribute(Qt::WA_DeleteOnClose); - setAttribute(Qt::WA_QuitOnClose, false); - } - - setFixedSize(sizeHint()); - } -}; - -class QGuiFuriCuri : public QCoreFuriCuri -{ -public: - void timerEvent(QTimerEvent *e) { - if (e->timerId() == warn) { - killTimer(warn); - QMessageBox::information(0, QLatin1String("Automatic Timeout"), QLatin1String(will_shutdown_1min)); - kill = startTimer(KILL_DELAY); - } else if (e->timerId() == kill) { - killTimer(kill); - QMessageBox::information(0, QLatin1String("Automatic Timeout"), QLatin1String(will_shutdown_now)); - qApp->quit(); - } - } -}; - - -void qt_gui_eval_init(QCoreApplicationPrivate::Type type) -{ - Q_UNUSED(type); - - if (!qt_eval_is_supported()) - return; - - if (qt_eval_is_expired()) { - EvalMessageBox box(true); - box.exec(); - ::exit(0); - } else { - Q_UNUSED(new QGuiFuriCuri()); - } -} - -static QString qt_eval_title_prefix() -{ - return QLatin1String("[Qt Evaluation] "); -} - -QString qt_eval_adapt_window_title(const QString &title) -{ - if (!qt_eval_is_supported()) - return title; - return qt_eval_title_prefix() + title; -} - -void qt_eval_init_widget(QWidget *w) -{ - if (!qt_eval_is_supported()) - return; - if (w->isTopLevel() && w->windowTitle().isEmpty() && w->windowType() != Qt::Desktop ) { - w->setWindowTitle(QLatin1String(" ")); - } -} -#endif - -QT_END_NAMESPACE |