Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  tst_qthread: fix compilation
  Round origin of text in OpenVG engine
  QThread::exec():  Fix possibility to enter several time the event loop
  QMessageBox: change the documentation to reflect that it is application modal
  Compile on OpenBSD
  Doc: Q_PROPERTY, implements the setter/getter in the example
  Dynamically register the event number.
  Fix wrong error assumption when converting "0.0" to double

10 files changed, 124 insertions, 75 deletions

diff --git a/doc/src/snippets/code/doc_src_properties.qdoc b/doc/src/snippets/code/doc_src_properties.qdoc
index 7704160..a4ed409 100644
--- a/doc/src/snippets/code/doc_src_properties.qdoc
+++ b/doc/src/snippets/code/doc_src_properties.qdoc
@@ -91,7 +91,7 @@ for (int i=0; i<count; ++i) {
 class MyClass : public QObject
 {
     Q_OBJECT
-    Q_PROPERTY(Priority priority READ priority WRITE setPriority)
+    Q_PROPERTY(Priority priority READ priority WRITE setPriority NOTIFY priorityChanged)
     Q_ENUMS(Priority)
 
 public:
@@ -100,8 +100,19 @@ public:
 
     enum Priority { High, Low, VeryHigh, VeryLow };
 
-    void setPriority(Priority priority);
-    Priority priority() const;
+    void setPriority(Priority priority)
+    {
+        m_priority = priority;
+        emit priorityChanged(priority);
+    }
+    Priority priority() const
+    { return m_priority; }
+
+signals:
+    void priorityChanged(Priority);
+
+private:
+    Priority m_priority;
 };
 //! [5]
 
diff --git a/doc/src/snippets/moc/myclass2.h b/doc/src/snippets/moc/myclass2.h
index ca79515..daea23c 100644
--- a/doc/src/snippets/moc/myclass2.h
+++ b/doc/src/snippets/moc/myclass2.h
@@ -58,8 +58,11 @@ public:
     MyClass(QObject *parent = 0);
     ~MyClass();
 
-    void setPriority(Priority priority);
-    Priority priority() const;
+    void setPriority(Priority priority) { m_priority = priority; }
+    Priority priority() const { return m_priority; }
+
+private:
+    Priority m_priority;
 };
 //! [0]
 
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index 69b70cb..6fb182b 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -482,8 +482,10 @@ int QThread::exec()
     Q_D(QThread);
     QMutexLocker locker(&d->mutex);
     d->data->quitNow = false;
-    if (d->exited)
+    if (d->exited) {
+        d->exited = false;
         return d->returnCode;
+    }
     locker.unlock();
 
     QEventLoop eventLoop;
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index a44a0e8..e3b587d 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -97,6 +97,11 @@
 # define SCHED_IDLE    5
 #endif
 
+#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#define QT_HAS_THREAD_PRIORITY_SCHEDULING
+#endif
+
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_THREAD
@@ -503,6 +508,7 @@ void QThread::usleep(unsigned long usecs)
     thread_sleep(&ti);
 }
 
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
 // Does some magic and calculate the Unix scheduler priorities
 // sched_policy is IN/OUT: it must be set to a valid policy before calling this function
 // sched_priority is OUT only
@@ -533,6 +539,7 @@ static bool calculateUnixPriority(int priority, int *sched_policy, int *sched_pr
     *sched_priority = prio;
     return true;
 }
+#endif
 
 void QThread::start(Priority priority)
 {
@@ -553,7 +560,7 @@ void QThread::start(Priority priority)
 
     d->priority = priority;
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && !defined(Q_OS_SYMBIAN) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#if defined(QT_HAS_THREAD_PRIORITY_SCHEDULING) && !defined(Q_OS_SYMBIAN)
 // ### Need to implement thread sheduling and priorities for symbian os. Implementation removed for now
     switch (priority) {
     case InheritPriority:
@@ -594,7 +601,7 @@ void QThread::start(Priority priority)
             break;
         }
     }
-#endif // _POSIX_THREAD_PRIORITY_SCHEDULING
+#endif // QT_HAS_THREAD_PRIORITY_SCHEDULING
 
 #ifdef Q_OS_SYMBIAN
     if (d->stackSize == 0)
@@ -757,7 +764,7 @@ void QThread::setPriority(Priority priority)
 
     // copied from start() with a few modifications:
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
     int sched_policy;
     sched_param param;
 
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index d152682..83d6dcd 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -7308,6 +7308,7 @@ Q_CORE_EXPORT char *qdtoa( double d, int mode, int ndigits, int *decpt, int *sig
 
 Q_CORE_EXPORT double qstrtod(const char *s00, const char **se, bool *ok)
 {
+    errno = 0;
     double ret = strtod((char*)s00, (char**)se);
     if (ok) {
       if((ret == 0.0l && errno == ERANGE)
diff --git a/src/gui/dialogs/qmessagebox.cpp b/src/gui/dialogs/qmessagebox.cpp
index fe25b0f..2f8b9e2 100644
--- a/src/gui/dialogs/qmessagebox.cpp
+++ b/src/gui/dialogs/qmessagebox.cpp
@@ -776,10 +776,8 @@ QMessageBox::QMessageBox(QWidget *parent)
     added at any time using addButton(). The \a parent and \a f
     arguments are passed to the QDialog constructor.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     On Mac OS X, if \a parent is not 0 and you want your message box
     to appear as a Qt::Sheet of that parent, set the message box's
@@ -1549,10 +1547,8 @@ static QMessageBox::StandardButton showNewMessageBox(QWidget *parent,
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa question(), warning(), critical()
 */
@@ -1579,10 +1575,8 @@ QMessageBox::StandardButton QMessageBox::information(QWidget *parent, const QStr
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa information(), warning(), critical()
 */
@@ -1607,10 +1601,8 @@ QMessageBox::StandardButton QMessageBox::question(QWidget *parent, const QString
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     \sa question(), information(), critical()
 */
@@ -1635,10 +1627,8 @@ QMessageBox::StandardButton QMessageBox::warning(QWidget *parent, const QString
     \key Esc was pressed instead, the \l{Default and Escape Keys}
     {escape button} is returned.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -1670,7 +1660,7 @@ QMessageBox::StandardButton QMessageBox::critical(QWidget *parent, const QString
 
     The about box has a single button labelled "OK". On Mac OS X, the
     about box is popped up as a modeless window; on other platforms,
-    it is currently a window modal.
+    it is currently application modal.
 
     \sa QWidget::windowIcon(), QApplication::activeWindow()
 */
@@ -1723,7 +1713,7 @@ void QMessageBox::about(QWidget *parent, const QString &title, const QString &te
     QApplication provides this functionality as a slot.
 
     On Mac OS X, the about box is popped up as a modeless window; on
-    other platforms, it is currently window modal.
+    other platforms, it is currently application modal.
 
     \sa QApplication::aboutQt()
 */
@@ -1983,10 +1973,8 @@ void QMessageBoxPrivate::retranslateStrings()
 
     \snippet doc/src/snippets/dialogs/dialogs.cpp 2
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
     The \a parent and \a f arguments are passed to
     the QDialog constructor.
@@ -2035,10 +2023,8 @@ QMessageBox::QMessageBox(const QString &title, const QString &text, Icon icon,
     Returns the identity (QMessageBox::Ok, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2073,10 +2059,8 @@ int QMessageBox::information(QWidget *parent, const QString &title, const QStrin
     supply 0, 1 or 2 to make pressing \key Esc equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2125,10 +2109,8 @@ int QMessageBox::information(QWidget *parent, const QString &title, const QStrin
     Returns the identity (QMessageBox::Yes, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2163,10 +2145,8 @@ int QMessageBox::question(QWidget *parent, const QString &title, const QString&
     supply 0, 1 or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2215,10 +2195,8 @@ int QMessageBox::question(QWidget *parent, const QString &title, const QString&
     Returns the identity (QMessageBox::Ok or QMessageBox::No or ...)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2253,10 +2231,8 @@ int QMessageBox::warning(QWidget *parent, const QString &title, const QString& t
     supply 0, 1, or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2304,10 +2280,8 @@ int QMessageBox::warning(QWidget *parent, const QString &title, const QString& t
     Returns the identity (QMessageBox::Ok, or QMessageBox::No, etc.)
     of the button that was clicked.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
@@ -2343,10 +2317,8 @@ int QMessageBox::critical(QWidget *parent, const QString &title, const QString&
     supply 0, 1, or 2 to make pressing Escape equivalent to clicking
     the relevant button.
 
-    If \a parent is 0, the message box is an \l{Qt::ApplicationModal}
-    {application modal} dialog box. If \a parent is a widget, the
-    message box is \l{Qt::WindowModal} {window modal} relative to \a
-    parent.
+    The message box is an \l{Qt::ApplicationModal} {application modal}
+    dialog box.
 
   \warning Do not delete \a parent during the execution of the dialog.
            If you want to do this, you should create the dialog
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index aea203f..430575b 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -3543,8 +3543,8 @@ void QVGPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
 
     // Set the glyph drawing origin.
     VGfloat origin[2];
-    origin[0] = positions[0].x.toReal();
-    origin[1] = positions[0].y.toReal();
+    origin[0] = positions[0].x.round().toReal();
+    origin[1] = positions[0].y.round().toReal();
     vgSetfv(VG_GLYPH_ORIGIN, 2, origin);
 
     // Fast anti-aliasing for paths, better for images.
diff --git a/tests/auto/qthread/tst_qthread.cpp b/tests/auto/qthread/tst_qthread.cpp
index 843749a..b0efb5a 100644
--- a/tests/auto/qthread/tst_qthread.cpp
+++ b/tests/auto/qthread/tst_qthread.cpp
@@ -106,6 +106,7 @@ private slots:
     void adoptMultipleThreads();
 
     void QTBUG13810_exitAndStart();
+    void QTBUG15378_exitAndExec();
 
     void stressTest();
 };
@@ -976,5 +977,45 @@ void tst_QThread::QTBUG13810_exitAndStart()
 }
 
 
+void tst_QThread::QTBUG15378_exitAndExec()
+{
+    class Thread : public QThread {
+    public:
+        QSemaphore sem1;
+        QSemaphore sem2;
+        volatile int value;
+        void run() {
+            sem1.acquire();
+            value = exec();  //First entrence
+            sem2.release();
+            value = exec(); // Second loop
+        }
+    };
+    Thread thread;
+    thread.value = 0;
+    thread.start();
+    thread.exit(556);
+    thread.sem1.release(); //should exit the first loop
+    thread.sem2.acquire();
+    int v = thread.value;
+    QCOMPARE(v, 556);
+
+    //test that the thread is running by executing queued connected signal there
+    Syncronizer sync1;
+    sync1.moveToThread(&thread);
+    Syncronizer sync2;
+    sync2.moveToThread(&thread);
+    connect(&sync2, SIGNAL(propChanged(int)), &sync1, SLOT(setProp(int)), Qt::QueuedConnection);
+    connect(&sync1, SIGNAL(propChanged(int)), &thread, SLOT(quit()), Qt::QueuedConnection);
+    QMetaObject::invokeMethod(&sync2, "setProp", Qt::QueuedConnection , Q_ARG(int, 89));
+    QTest::qWait(50);
+    while(!thread.wait(10))
+        QTest::qWait(10);
+    QCOMPARE(sync2.m_prop, 89);
+    QCOMPARE(sync1.m_prop, 89);
+}
+
+
+
 QTEST_MAIN(tst_QThread)
 #include "tst_qthread.moc"
diff --git a/tools/qmeegographicssystemhelper/qmeegoswitchevent.cpp b/tools/qmeegographicssystemhelper/qmeegoswitchevent.cpp
index b136ce8..22ea0fe 100644
--- a/tools/qmeegographicssystemhelper/qmeegoswitchevent.cpp
+++ b/tools/qmeegographicssystemhelper/qmeegoswitchevent.cpp
@@ -41,7 +41,9 @@
 
 #include "qmeegoswitchevent.h"
 
-QMeeGoSwitchEvent::QMeeGoSwitchEvent(const QString &graphicsSystemName, QMeeGoSwitchEvent::State s) : QEvent((QEvent::Type) QMeeGoSwitchEvent::SwitchEvent)
+static int switchEventNumber = -1;
+
+QMeeGoSwitchEvent::QMeeGoSwitchEvent(const QString &graphicsSystemName, QMeeGoSwitchEvent::State s) : QEvent(QMeeGoSwitchEvent::eventNumber())
 {
     name = graphicsSystemName;
     switchState = s;
@@ -55,4 +57,12 @@ QString QMeeGoSwitchEvent::graphicsSystemName() const
 QMeeGoSwitchEvent::State QMeeGoSwitchEvent::state() const
 {
     return switchState;
+}
+
+QEvent::Type QMeeGoSwitchEvent::eventNumber()
+{
+    if (switchEventNumber < 0)
+        switchEventNumber = QEvent::registerEventType();
+
+    return (QEvent::Type) switchEventNumber;
 }
\ No newline at end of file
diff --git a/tools/qmeegographicssystemhelper/qmeegoswitchevent.h b/tools/qmeegographicssystemhelper/qmeegoswitchevent.h
index 2d8371e..0ddbd3d 100644
--- a/tools/qmeegographicssystemhelper/qmeegoswitchevent.h
+++ b/tools/qmeegographicssystemhelper/qmeegoswitchevent.h
@@ -62,11 +62,6 @@ public:
         DidSwitch
     };
 
-    //! The event type id to use to detect this event.
-    enum Type {
-        SwitchEvent = QEvent::User + 1024
-    };
-
     //! Constructor for the event.
     /*!
      Creates a new event with the given name and the given state.
@@ -83,6 +78,13 @@ public:
     //! Returns the state represented by this event.
     State state() const;
 
+    //! Returns the event type/number for QMeeGoSwitchEvent.
+    /*!
+     The type is registered on first access. Use this to detect incoming
+     QMeeGoSwitchEvents.
+    */
+    QEvent::Type eventNumber();
+
 private:
     QString name;
     State switchState;