diff options
Diffstat (limited to 'src/corelib/kernel/qcoreapplication.cpp')
| -rw-r--r-- | src/corelib/kernel/qcoreapplication.cpp | 230 |
1 files changed, 212 insertions, 18 deletions
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp index 02d4d0376a..cce8c30d81 100644 --- a/src/corelib/kernel/qcoreapplication.cpp +++ b/src/corelib/kernel/qcoreapplication.cpp @@ -42,9 +42,11 @@ #include "qcoreapplication.h" #include "qcoreapplication_p.h" +#ifndef QT_NO_QOBJECT #include "qabstracteventdispatcher.h" #include "qcoreevent.h" #include "qeventloop.h" +#endif #include "qcorecmdlineargs_p.h" #include <qdatastream.h> #include <qdebug.h> @@ -55,10 +57,12 @@ #include <private/qprocess_p.h> #include <qstandardpaths.h> #include <qtextcodec.h> +#ifndef QT_NO_QOBJECT #include <qthread.h> #include <qthreadpool.h> #include <qthreadstorage.h> #include <private/qthread_p.h> +#endif #include <qelapsedtimer.h> #include <qlibraryinfo.h> #include <qvarlengtharray.h> @@ -66,6 +70,7 @@ #include <private/qfunctions_p.h> #include <private/qlocale_p.h> +#ifndef QT_NO_QOBJECT #if defined(Q_OS_UNIX) # if defined(Q_OS_BLACKBERRY) # include "qeventdispatcher_blackberry_p.h" @@ -78,10 +83,10 @@ # include "qeventdispatcher_unix_p.h" # endif #endif - #ifdef Q_OS_WIN # include "qeventdispatcher_win_p.h" #endif +#endif // QT_NO_QOBJECT #ifdef Q_OS_MAC # include "qcore_mac_p.h" @@ -91,6 +96,7 @@ #ifdef Q_OS_UNIX # include <locale.h> +# include <unistd.h> #endif #ifdef Q_OS_VXWORKS @@ -99,6 +105,7 @@ QT_BEGIN_NAMESPACE +#ifndef QT_NO_QOBJECT class QMutexUnlocker { public: @@ -113,6 +120,7 @@ private: QMutex *mtx; }; +#endif #if defined(Q_OS_WIN) || defined(Q_OS_MAC) extern QString qAppFileName(); @@ -183,19 +191,47 @@ 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() { } +typedef QList<QtStartUpFunction> QStartUpFuncList; +Q_GLOBAL_STATIC(QStartUpFuncList, preRList) typedef QList<QtCleanUpFunction> QVFuncList; Q_GLOBAL_STATIC(QVFuncList, postRList) +#ifndef QT_NO_QOBJECT +static QBasicMutex globalPreRoutinesMutex; +#endif + +/*! + \internal + + Adds a global routine that will be called from the QCoreApplication + constructor. The public API is Q_COREAPP_STARTUP_FUNCTION. +*/ +void qAddPreRoutine(QtStartUpFunction p) +{ + QStartUpFuncList *list = preRList(); + if (!list) + return; + // Due to C++11 parallel dynamic initialization, this can be called + // from multiple threads. +#ifndef QT_NO_THREAD + QMutexLocker locker(&globalPreRoutinesMutex); +#endif + if (QCoreApplication::instance()) + p(); + list->prepend(p); // in case QCoreApplication is re-created, see qt_call_pre_routines +} void qAddPostRoutine(QtCleanUpFunction p) { @@ -213,6 +249,21 @@ void qRemovePostRoutine(QtCleanUpFunction p) list->removeAll(p); } +static void qt_call_pre_routines() +{ + QStartUpFuncList *list = preRList(); + if (!list) + return; +#ifndef QT_NO_THREAD + QMutexLocker locker(&globalPreRoutinesMutex); +#endif + // Unlike qt_call_post_routines, we don't empty the list, because + // Q_COREAPP_STARTUP_FUNCTION is a macro, so the user expects + // the function to be executed every time QCoreApplication is created. + for (int i = 0; i < list->count(); ++i) + list->at(i)(); +} + void Q_CORE_EXPORT qt_call_post_routines() { QVFuncList *list = 0; @@ -230,12 +281,15 @@ void Q_CORE_EXPORT qt_call_post_routines() } +// initialized in qcoreapplication and in qtextstream autotest when setlocale is called. +static bool qt_locale_initialized = false; + +#ifndef QT_NO_QOBJECT + // app starting up if false bool QCoreApplicationPrivate::is_app_running = false; // app closing down if true bool QCoreApplicationPrivate::is_app_closing = false; -// initialized in qcoreapplication and in qtextstream autotest when setlocale is called. -static bool qt_locale_initialized = false; Q_CORE_EXPORT uint qGlobalPostedEventsCount() { @@ -243,14 +297,17 @@ Q_CORE_EXPORT uint qGlobalPostedEventsCount() return currentThreadData->postEventList.size() - currentThreadData->postEventList.startOffset; } -QCoreApplication *QCoreApplication::self = 0; QAbstractEventDispatcher *QCoreApplicationPrivate::eventDispatcher = 0; -uint QCoreApplicationPrivate::attribs = (1 << Qt::AA_SynthesizeMouseForUnhandledTouchEvents); #ifdef Q_OS_UNIX Qt::HANDLE qt_application_thread_id = 0; #endif +#endif // QT_NO_QOBJECT + +QCoreApplication *QCoreApplication::self = 0; +uint QCoreApplicationPrivate::attribs = (1 << Qt::AA_SynthesizeMouseForUnhandledTouchEvents); + struct QCoreApplicationData { QCoreApplicationData() { #ifndef QT_NO_LIBRARY @@ -261,13 +318,6 @@ struct QCoreApplicationData { #ifndef QT_NO_LIBRARY delete app_libpaths; #endif - - // cleanup the QAdoptedThread created for the main() thread - if (QCoreApplicationPrivate::theMainThread) { - QThreadData *data = QThreadData::get2(QCoreApplicationPrivate::theMainThread); - QCoreApplicationPrivate::theMainThread = 0; - data->deref(); // deletes the data and the adopted thread - } } #ifdef Q_OS_BLACKBERRY @@ -309,20 +359,29 @@ struct QCoreApplicationData { Q_GLOBAL_STATIC(QCoreApplicationData, coreappdata) +#ifndef QT_NO_QOBJECT static bool quitLockRefEnabled = true; +#endif QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint flags) - : QObjectPrivate() - , argc(aargc) + : +#ifndef QT_NO_QOBJECT + QObjectPrivate(), +#endif + argc(aargc) , argv(aargv) #ifdef Q_OS_WIN , origArgc(aargc) , origArgv(new char *[aargc]) #endif , application_type(0) +#ifndef QT_NO_QOBJECT , in_exec(false) , aboutToQuitEmitted(false) , threadData_clean(false) +#else + , q_ptr(0) +#endif { app_compile_version = flags & 0xffffff; static const char *const empty = ""; @@ -330,27 +389,35 @@ QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint argc = 0; argv = (char **)∅ // ouch! careful with QCoreApplication::argv()! } +#ifdef Q_OS_WIN + qCopy(argv, argv + argc, origArgv); +#endif + +#ifndef QT_NO_QOBJECT QCoreApplicationPrivate::is_app_closing = false; -#if defined(Q_OS_UNIX) +# if defined(Q_OS_UNIX) qt_application_thread_id = QThread::currentThreadId(); -#elif defined(Q_OS_WIN) - qCopy(argv, argv + argc, origArgv); -#endif +# endif // note: this call to QThread::currentThread() may end up setting theMainThread! if (QThread::currentThread() != theMainThread) qWarning("WARNING: QApplication was not created in the main() thread."); +#endif } QCoreApplicationPrivate::~QCoreApplicationPrivate() { +#ifndef QT_NO_QOBJECT cleanupThreadData(); +#endif #ifdef Q_OS_WIN delete [] origArgv; #endif } +#ifndef QT_NO_QOBJECT + void QCoreApplicationPrivate::cleanupThreadData() { if (threadData && !threadData_clean) { @@ -423,6 +490,8 @@ void QCoreApplicationPrivate::checkReceiverThread(QObject *receiver) } #endif +#endif // QT_NO_QOBJECT + void QCoreApplicationPrivate::appendApplicationPathToLibraryPaths() { #ifndef QT_NO_LIBRARY @@ -544,13 +613,18 @@ void QCoreApplicationPrivate::initLocale() \internal */ QCoreApplication::QCoreApplication(QCoreApplicationPrivate &p) +#ifdef QT_NO_QOBJECT + : d_ptr(&p) +#else : QObject(p, 0) +#endif { init(); // note: it is the subclasses' job to call // QCoreApplicationPrivate::eventDispatcher->startingUp(); } +#ifndef QT_NO_QOBJECT /*! Flushes the platform specific event queues. @@ -567,6 +641,7 @@ void QCoreApplication::flush() if (self && self->d_func()->eventDispatcher) self->d_func()->eventDispatcher->flush(); } +#endif /*! Constructs a Qt kernel application. Kernel applications are @@ -587,16 +662,23 @@ QCoreApplication::QCoreApplication(int &argc, char **argv , int _internal #endif ) +#ifdef QT_NO_QOBJECT + : d_ptr(new QCoreApplicationPrivate(argc, argv, _internal)) +#else : QObject(*new QCoreApplicationPrivate(argc, argv, _internal)) +#endif { init(); +#ifndef QT_NO_QOBJECT QCoreApplicationPrivate::eventDispatcher->startingUp(); +#endif } // ### move to QCoreApplicationPrivate constructor? void QCoreApplication::init() { + d_ptr->q_ptr = this; Q_D(QCoreApplication); QCoreApplicationPrivate::initLocale(); @@ -604,6 +686,7 @@ void QCoreApplication::init() Q_ASSERT_X(!self, "QCoreApplication", "there should be only one application object"); QCoreApplication::self = this; +#ifndef QT_NO_QOBJECT // use the event dispatcher created by the app programmer (if any) if (!QCoreApplicationPrivate::eventDispatcher) QCoreApplicationPrivate::eventDispatcher = d->threadData->eventDispatcher; @@ -618,17 +701,20 @@ void QCoreApplication::init() } d->threadData->eventDispatcher = QCoreApplicationPrivate::eventDispatcher; +#endif #ifndef QT_NO_LIBRARY if (coreappdata()->app_libpaths) d->appendApplicationPathToLibraryPaths(); #endif +#ifndef QT_NO_QOBJECT #if defined(Q_OS_UNIX) && !(defined(QT_NO_PROCESS)) // Make sure the process manager thread object is created in the main // thread. QProcessPrivate::initializeProcessManager(); #endif +#endif #ifdef QT_EVAL extern void qt_core_eval_init(uint); @@ -637,9 +723,12 @@ void QCoreApplication::init() d->processCommandLineArguments(); + qt_call_pre_routines(); qt_startup_hook(); +#ifndef QT_NO_QOBJECT QCoreApplicationPrivate::is_app_running = true; // No longer starting up. +#endif } /*! @@ -650,8 +739,10 @@ QCoreApplication::~QCoreApplication() qt_call_post_routines(); self = 0; +#ifndef QT_NO_QOBJECT QCoreApplicationPrivate::is_app_closing = true; QCoreApplicationPrivate::is_app_running = false; +#endif #if !defined(QT_NO_THREAD) // Synchronize and stop the global thread pool threads. @@ -665,10 +756,12 @@ QCoreApplication::~QCoreApplication() globalThreadPool->waitForDone(); #endif +#ifndef QT_NO_QOBJECT d_func()->threadData->eventDispatcher = 0; if (QCoreApplicationPrivate::eventDispatcher) QCoreApplicationPrivate::eventDispatcher->closingDown(); QCoreApplicationPrivate::eventDispatcher = 0; +#endif #ifndef QT_NO_LIBRARY delete coreappdata()->app_libpaths; @@ -710,6 +803,8 @@ bool QCoreApplication::testAttribute(Qt::ApplicationAttribute attribute) } +#ifndef QT_NO_QOBJECT + /*! \property QCoreApplication::quitLockEnabled @@ -1572,6 +1667,8 @@ void QCoreApplication::quit() \sa quit() */ +#endif // QT_NO_QOBJECT + #ifndef QT_NO_TRANSLATION /*! Adds the translation file \a translationFile to the list of @@ -1613,8 +1710,11 @@ bool QCoreApplication::installTranslator(QTranslator *translationFile) return false; #endif +#ifndef QT_NO_QOBJECT QEvent ev(QEvent::LanguageChange); QCoreApplication::sendEvent(self, &ev); +#endif + return true; } @@ -1636,10 +1736,12 @@ bool QCoreApplication::removeTranslator(QTranslator *translationFile) return false; QCoreApplicationPrivate *d = self->d_func(); if (d->translators.removeAll(translationFile)) { +#ifndef QT_NO_QOBJECT if (!self->closingDown()) { QEvent ev(QEvent::LanguageChange); QCoreApplication::sendEvent(self, &ev); } +#endif return true; } return false; @@ -1750,6 +1852,19 @@ bool QCoreApplicationPrivate::isTranslatorInstalled(QTranslator *translator) && QCoreApplication::self->d_func()->translators.contains(translator); } +#else + +QString QCoreApplication::translate(const char *context, const char *sourceText, + const char *disambiguation, int n) +{ + Q_UNUSED(context) + Q_UNUSED(disambiguation) + QString ret = QString::fromUtf8(sourceText); + if (n >= 0) + ret.replace(QLatin1String("%n"), QString::number(n)); + return ret; +} + #endif //QT_NO_TRANSLATE /*! @@ -2001,9 +2116,23 @@ QStringList QCoreApplication::arguments() \sa organizationDomain, applicationName */ +/*! + \fn void QCoreApplication::organizationNameChanged() + \internal + + While not useful from C++ due to how organizationName is normally set once on + startup, this is still needed for QML so that bindings are reevaluated after + that initial change. +*/ void QCoreApplication::setOrganizationName(const QString &orgName) { + if (coreappdata()->orgName == orgName) + return; coreappdata()->orgName = orgName; +#ifndef QT_NO_QOBJECT + if (QCoreApplication::self) + emit QCoreApplication::self->organizationNameChanged(); +#endif } QString QCoreApplication::organizationName() @@ -2029,9 +2158,21 @@ QString QCoreApplication::organizationName() \sa organizationName, applicationName, applicationVersion */ +/*! + \fn void QCoreApplication::organizationDomainChanged() + \internal + + Primarily for QML, see organizationNameChanged. +*/ void QCoreApplication::setOrganizationDomain(const QString &orgDomain) { + if (coreappdata()->orgDomain == orgDomain) + return; coreappdata()->orgDomain = orgDomain; +#ifndef QT_NO_QOBJECT + if (QCoreApplication::self) + emit QCoreApplication::self->organizationDomainChanged(); +#endif } QString QCoreApplication::organizationDomain() @@ -2051,9 +2192,21 @@ QString QCoreApplication::organizationDomain() \sa organizationName, organizationDomain, applicationVersion, applicationFilePath */ +/*! + \fn void QCoreApplication::applicationNameChanged() + \internal + + Primarily for QML, see organizationNameChanged. +*/ void QCoreApplication::setApplicationName(const QString &application) { + if (coreappdata()->application == application) + return; coreappdata()->application = application; +#ifndef QT_NO_QOBJECT + if (QCoreApplication::self) + emit QCoreApplication::self->applicationNameChanged(); +#endif } QString QCoreApplication::applicationName() @@ -2080,9 +2233,21 @@ Q_CORE_EXPORT QString qt_applicationName_noFallback() \sa applicationName, organizationName, organizationDomain */ +/*! + \fn void QCoreApplication::applicationVersionChanged() + \internal + + Primarily for QML, see organizationNameChanged. +*/ void QCoreApplication::setApplicationVersion(const QString &version) { + if (coreappdata()->applicationVersion == version) + return; coreappdata()->applicationVersion = version; +#ifndef QT_NO_QOBJECT + if (QCoreApplication::self) + emit QCoreApplication::self->applicationVersionChanged(); +#endif } QString QCoreApplication::applicationVersion() @@ -2231,6 +2396,8 @@ void QCoreApplication::removeLibraryPath(const QString &path) #endif //QT_NO_LIBRARY +#ifndef QT_NO_QOBJECT + /*! Installs an event filter \a filterObj for all native events received by the application in the main thread. @@ -2326,6 +2493,33 @@ void QCoreApplication::setEventDispatcher(QAbstractEventDispatcher *eventDispatc mainThread->setEventDispatcher(eventDispatcher); } +#endif // QT_NO_QOBJECT + +/*! + \macro Q_COREAPP_STARTUP_FUNCTION(QtStartUpFunction ptr) + \since 5.1 + \relates QCoreApplication + \reentrant + + Adds a global function that will be called from the QCoreApplication + constructor. This macro is normally used to initialize libraries + for program-wide functionality, without requiring the application to + call into the library for initialization. + + The function specified by \a ptr should take no arguments and should + return nothing. For example: + + \snippet code/src_corelib_kernel_qcoreapplication.cpp 3 + + Note that the startup function will run at the end of the QCoreApplication constructor, + before any GUI initialization. If GUI code is required in the function, + use a timer (or a queued invocation) to perform the initialization later on, + from the event loop. + + If QCoreApplication is deleted and another QCoreApplication is created, + the startup function will be invoked again. +*/ + /*! \fn void qAddPostRoutine(QtCleanUpFunction ptr) \relates QCoreApplication |