Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt into 4.6

Conflicts:
	src/multimedia/audio/qaudioformat.cpp

23 files changed, 222 insertions, 153 deletions

diff --git a/src/gui/dialogs/qfilesystemmodel_p.h b/src/gui/dialogs/qfilesystemmodel_p.h
index 93a71e1..6c85a7c 100644
--- a/src/gui/dialogs/qfilesystemmodel_p.h
+++ b/src/gui/dialogs/qfilesystemmodel_p.h
@@ -238,15 +238,15 @@ public:
     void sortChildren(int column, const QModelIndex &parent);
 
     inline int translateVisibleLocation(QFileSystemNode *parent, int row) const {
-        if (sortOrder == Qt::AscendingOrder)
-                return row;
-        if (parent->dirtyChildrenIndex == -1 || row < parent->dirtyChildrenIndex)
-            if (parent->dirtyChildrenIndex != -1)
-                return parent->dirtyChildrenIndex - row - 1;
-            else
+        if (sortOrder != Qt::AscendingOrder) {
+            if (parent->dirtyChildrenIndex == -1)
                 return parent->visibleChildren.count() - row - 1;
-        else
-            return row;
+
+            if (row < parent->dirtyChildrenIndex)
+                return parent->dirtyChildrenIndex - row - 1;
+        }
+
+        return row;
     }
 
     inline static QString myComputer() {
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 034d1f7..5c6a8ae 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -292,6 +292,7 @@ QGraphicsScenePrivate::QGraphicsScenePrivate()
       processDirtyItemsEmitted(false),
       selectionChanging(0),
       needSortTopLevelItems(true),
+      unpolishedItemsModified(true),
       holesInTopLevelSiblingIndex(false),
       topLevelSequentialOrdering(true),
       scenePosDescendantsUpdatePending(false),
@@ -428,12 +429,12 @@ void QGraphicsScenePrivate::unregisterTopLevelItem(QGraphicsItem *item)
 */
 void QGraphicsScenePrivate::_q_polishItems()
 {
-    QSet<QGraphicsItem *>::Iterator it;
+    QSet<QGraphicsItem *>::Iterator it = unpolishedItems.begin();
     const QVariant booleanTrueVariant(true);
     while (!unpolishedItems.isEmpty()) {
-        it = unpolishedItems.begin();
         QGraphicsItem *item = *it;
-        unpolishedItems.erase(it);
+        it = unpolishedItems.erase(it);
+        unpolishedItemsModified = false;
         if (!item->d_ptr->explicitlyHidden) {
             item->itemChange(QGraphicsItem::ItemVisibleChange, booleanTrueVariant);
             item->itemChange(QGraphicsItem::ItemVisibleHasChanged, booleanTrueVariant);
@@ -442,6 +443,8 @@ void QGraphicsScenePrivate::_q_polishItems()
             QEvent event(QEvent::Polish);
             QApplication::sendEvent((QGraphicsWidget *)item, &event);
         }
+        if (unpolishedItemsModified)
+            it = unpolishedItems.begin();
     }
 }
 
@@ -636,6 +639,7 @@ void QGraphicsScenePrivate::removeItemHelper(QGraphicsItem *item)
     hoverItems.removeAll(item);
     cachedItemsUnderMouse.removeAll(item);
     unpolishedItems.remove(item);
+    unpolishedItemsModified = true;
     resetDirtyItem(item);
 
     //We remove all references of item from the sceneEventFilter arrays
@@ -2578,9 +2582,10 @@ void QGraphicsScene::addItem(QGraphicsItem *item)
     item->d_ptr->resolveFont(d->font.resolve());
     item->d_ptr->resolvePalette(d->palette.resolve());
 
-   if (d->unpolishedItems.isEmpty())
-       QMetaObject::invokeMethod(this, "_q_polishItems", Qt::QueuedConnection);
-   d->unpolishedItems.insert(item);
+    if (d->unpolishedItems.isEmpty())
+        QMetaObject::invokeMethod(this, "_q_polishItems", Qt::QueuedConnection);
+    d->unpolishedItems.insert(item);
+    d->unpolishedItemsModified = true;
 
     // Reenable selectionChanged() for individual items
     --d->selectionChanging;
diff --git a/src/gui/graphicsview/qgraphicsscene_p.h b/src/gui/graphicsview/qgraphicsscene_p.h
index 26beb5a..d10811c 100644
--- a/src/gui/graphicsview/qgraphicsscene_p.h
+++ b/src/gui/graphicsview/qgraphicsscene_p.h
@@ -111,6 +111,7 @@ public:
     QSet<QGraphicsItem *> unpolishedItems;
     QList<QGraphicsItem *> topLevelItems;
     bool needSortTopLevelItems;
+    bool unpolishedItemsModified;
     bool holesInTopLevelSiblingIndex;
     bool topLevelSequentialOrdering;
 
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index e6c3775..d5406cb 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -855,7 +855,7 @@ bool Q_INTERNAL_WIN_NO_THROW QPNGImageWriter::writeImage(const QImage& image_in,
     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type,
         0, 0, 0);
 
-    const uchar *data = image.bits();
+    const uchar *data = (static_cast<const QImage *>(&image))->bits();
     int bpl = image.bytesPerLine();
     row_pointers = new png_bytep[height];
     uint y;
diff --git a/src/multimedia/audio/qaudio_mac.cpp b/src/multimedia/audio/qaudio_mac.cpp
index 14fee8b..61a00ce 100644
--- a/src/multimedia/audio/qaudio_mac.cpp
+++ b/src/multimedia/audio/qaudio_mac.cpp
@@ -48,8 +48,8 @@ QT_BEGIN_NAMESPACE
 QDebug operator<<(QDebug dbg, const QAudioFormat& audioFormat)
 {
     dbg.nospace() << "QAudioFormat(" <<
-            audioFormat.frequency() << "," <<
-            audioFormat.channels() << "," <<
+            audioFormat.sampleRate() << "," <<
+            audioFormat.channelCount() << "," <<
             audioFormat.sampleSize()<< "," <<
             audioFormat.codec() << "," <<
             audioFormat.byteOrder() << "," <<
@@ -64,8 +64,8 @@ QAudioFormat toQAudioFormat(AudioStreamBasicDescription const& sf)
 {
     QAudioFormat    audioFormat;
 
-    audioFormat.setFrequency(sf.mSampleRate);
-    audioFormat.setChannels(sf.mChannelsPerFrame);
+    audioFormat.setSampleRate(sf.mSampleRate);
+    audioFormat.setChannelCount(sf.mChannelsPerFrame);
     audioFormat.setSampleSize(sf.mBitsPerChannel);
     audioFormat.setCodec(QString::fromLatin1("audio/pcm"));
     audioFormat.setByteOrder(sf.mFormatFlags & kLinearPCMFormatFlagIsBigEndian != 0 ? QAudioFormat::BigEndian : QAudioFormat::LittleEndian);
@@ -84,9 +84,9 @@ AudioStreamBasicDescription toAudioStreamBasicDescription(QAudioFormat const& au
     AudioStreamBasicDescription sf;
 
     sf.mFormatFlags         = kAudioFormatFlagIsPacked;
-    sf.mSampleRate          = audioFormat.frequency();
+    sf.mSampleRate          = audioFormat.sampleRate();
     sf.mFramesPerPacket     = 1;
-    sf.mChannelsPerFrame    = audioFormat.channels();
+    sf.mChannelsPerFrame    = audioFormat.channelCount();
     sf.mBitsPerChannel      = audioFormat.sampleSize();
     sf.mBytesPerFrame       = sf.mChannelsPerFrame * (sf.mBitsPerChannel / 8);
     sf.mBytesPerPacket      = sf.mFramesPerPacket * sf.mBytesPerFrame;
diff --git a/src/multimedia/audio/qaudiodeviceinfo.cpp b/src/multimedia/audio/qaudiodeviceinfo.cpp
index 092efc5..ca20eda 100644
--- a/src/multimedia/audio/qaudiodeviceinfo.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo.cpp
@@ -100,13 +100,13 @@ public:
 
     You can also query each device for the formats it supports. A
     format in this context is a set consisting of a specific byte
-    order, channel, codec, frequency, sample rate, and sample type.  A
+    order, channel, codec, sample rate, sample size and sample type.  A
     format is represented by the QAudioFormat class.
 
     The values supported by the the device for each of these
     parameters can be fetched with
     supportedByteOrders(), supportedChannels(), supportedCodecs(),
-    supportedFrequencies(), supportedSampleSizes(), and
+    supportedSampleRates(), supportedSampleSizes(), and
     supportedSampleTypes(). The combinations supported are dependent on the platform,
     audio plugins installed and the audio device capabilities. If you need a specific format, you can check if
     the device supports it with isFormatSupported(), or fetch a
@@ -259,7 +259,16 @@ QStringList QAudioDeviceInfo::supportedCodecs() const
 }
 
 /*!
-    Returns a list of supported frequencies.
+    Returns a list of supported sample rates.
+*/
+
+QList<int> QAudioDeviceInfo::supportedSampleRates() const
+{
+    return supportedFrequencies();
+}
+
+/*!
+    \internal
 */
 
 QList<int> QAudioDeviceInfo::supportedFrequencies() const
@@ -268,7 +277,16 @@ QList<int> QAudioDeviceInfo::supportedFrequencies() const
 }
 
 /*!
-    Returns a list of supported channels.
+    Returns a list of supported channel counts.
+*/
+
+QList<int> QAudioDeviceInfo::supportedChannelCounts() const
+{
+    return supportedChannels();
+}
+
+/*!
+    \internal
 */
 
 QList<int> QAudioDeviceInfo::supportedChannels() const
diff --git a/src/multimedia/audio/qaudiodeviceinfo.h b/src/multimedia/audio/qaudiodeviceinfo.h
index 62dc8a2..1cc0731 100644
--- a/src/multimedia/audio/qaudiodeviceinfo.h
+++ b/src/multimedia/audio/qaudiodeviceinfo.h
@@ -84,7 +84,9 @@ public:
 
     QStringList supportedCodecs() const;
     QList<int> supportedFrequencies() const;
+    QList<int> supportedSampleRates() const;
     QList<int> supportedChannels() const;
+    QList<int> supportedChannelCounts() const;
     QList<int> supportedSampleSizes() const;
     QList<QAudioFormat::Endian> supportedByteOrders() const;
     QList<QAudioFormat::SampleType> supportedSampleTypes() const;
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
index 36270a7..a77a428 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
@@ -78,20 +78,20 @@ QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
 {
     QAudioFormat nearest;
     if(mode == QAudio::AudioOutput) {
-        nearest.setFrequency(44100);
-        nearest.setChannels(2);
+        nearest.setSampleRate(44100);
+        nearest.setChannelCount(2);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(16);
         nearest.setCodec(QLatin1String("audio/pcm"));
     } else {
-        nearest.setFrequency(8000);
-        nearest.setChannels(1);
+        nearest.setSampleRate(8000);
+        nearest.setChannelCount(1);
         nearest.setSampleType(QAudioFormat::UnSignedInt);
         nearest.setSampleSize(8);
         nearest.setCodec(QLatin1String("audio/pcm"));
         if(!testSettings(nearest)) {
-            nearest.setChannels(2);
+            nearest.setChannelCount(2);
             nearest.setSampleSize(16);
             nearest.setSampleType(QAudioFormat::SignedInt);
         }
@@ -253,8 +253,8 @@ bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
     snd_pcm_hw_params_any( handle, params );
 
     // set the values!
-    snd_pcm_hw_params_set_channels(handle,params,format.channels());
-    snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir);
+    snd_pcm_hw_params_set_channels(handle,params,format.channelCount());
+    snd_pcm_hw_params_set_rate(handle,params,format.sampleRate(),dir);
     switch(format.sampleSize()) {
         case 8:
             if(format.sampleType() == QAudioFormat::SignedInt)
@@ -295,18 +295,18 @@ bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
     } else
         testCodec = true;
 
-    if(err>=0 && format.channels() != -1) {
-        err = snd_pcm_hw_params_test_channels(handle,params,format.channels());
+    if(err>=0 && format.channelCount() != -1) {
+        err = snd_pcm_hw_params_test_channels(handle,params,format.channelCount());
         if(err>=0)
-            err = snd_pcm_hw_params_set_channels(handle,params,format.channels());
+            err = snd_pcm_hw_params_set_channels(handle,params,format.channelCount());
         if(err>=0)
             testChannel = true;
     }
 
-    if(err>=0 && format.frequency() != -1) {
-        err = snd_pcm_hw_params_test_rate(handle,params,format.frequency(),0);
+    if(err>=0 && format.sampleRate() != -1) {
+        err = snd_pcm_hw_params_test_rate(handle,params,format.sampleRate(),0);
         if(err>=0)
-            err = snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir);
+            err = snd_pcm_hw_params_set_rate(handle,params,format.sampleRate(),dir);
         if(err>=0)
             testFreq = true;
     }
diff --git a/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp
index ecd03e5..9334069 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp
@@ -144,10 +144,10 @@ QAudioFormat QAudioDeviceInfoInternal::nearestFormat(const QAudioFormat& format)
 
     rc.setCodec(QString::fromLatin1("audio/pcm"));
 
-    if (rc.frequency() != target.frequency())
-        rc.setFrequency(target.frequency());
-    if (rc.channels() != target.channels())
-        rc.setChannels(target.channels());
+    if (rc.sampleRate() != target.sampleRate())
+        rc.setSampleRate(target.sampleRate());
+    if (rc.channelCount() != target.channelCount())
+        rc.setChannelCount(target.channelCount());
     if (rc.sampleSize() != target.sampleSize())
         rc.setSampleSize(target.sampleSize());
     if (rc.byteOrder() != target.byteOrder())
diff --git a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
index f6b8154..373e23d 100644
--- a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
+++ b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
@@ -94,15 +94,15 @@ QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
 {
     QAudioFormat nearest;
     if(mode == QAudio::AudioOutput) {
-        nearest.setFrequency(44100);
-        nearest.setChannels(2);
+        nearest.setSampleRate(44100);
+        nearest.setChannelCount(2);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(16);
         nearest.setCodec(QLatin1String("audio/pcm"));
     } else {
-        nearest.setFrequency(11025);
-        nearest.setChannels(1);
+        nearest.setSampleRate(11025);
+        nearest.setChannelCount(1);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(8);
@@ -181,12 +181,12 @@ bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
     if(!format.codec().startsWith(QLatin1String("audio/pcm")))
         failed = true;
 
-    if(!failed && !(format.channels() == 1 || format.channels() == 2))
+    if(!failed && !(format.channelCount() == 1 || format.channelCount() == 2))
         failed = true;
 
     if(!failed) {
-        if(!(format.frequency() == 8000 || format.frequency() == 11025 || format.frequency() == 22050 ||
-	   format.frequency() == 44100 || format.frequency() == 48000 || format.frequency() == 96000))
+        if(!(format.sampleRate() == 8000 || format.sampleRate() == 11025 || format.sampleRate() == 22050 ||
+	   format.sampleRate() == 44100 || format.sampleRate() == 48000 || format.sampleRate() == 96000))
 	    failed = true;
     }
 
diff --git a/src/multimedia/audio/qaudioformat.cpp b/src/multimedia/audio/qaudioformat.cpp
index da6a783..58bb571 100644
--- a/src/multimedia/audio/qaudioformat.cpp
+++ b/src/multimedia/audio/qaudioformat.cpp
@@ -144,7 +144,7 @@ public:
     Values are initialized as follows:
     \list
     \o frequency()  = -1
-    \o channels()   = -1
+    \o channelCount() = -1
     \o sampleSize() = -1
     \o byteOrder()  = QAudioFormat::Endian(QSysInfo::ByteOrder)
     \o sampleType() = QAudioFormat::Unknown
@@ -224,7 +224,16 @@ bool QAudioFormat::isValid() const
 }
 
 /*!
-   Sets the frequency (sample rate) to \a frequency.
+   Sets the sample rate to \a samplerate Hertz.
+*/
+
+void QAudioFormat::setSampleRate(int samplerate)
+{
+    d->frequency = samplerate;
+}
+
+/*!
+   \internal
 */
 
 void QAudioFormat::setFrequency(int frequency)
@@ -233,7 +242,16 @@ void QAudioFormat::setFrequency(int frequency)
 }
 
 /*!
-    Returns the current frequency (sample rate) value.
+    Returns the current sample rate in Hertz.
+*/
+
+int QAudioFormat::sampleRate() const
+{
+    return d->frequency;
+}
+
+/*!
+   \internal
 */
 
 int QAudioFormat::frequency() const
@@ -242,7 +260,16 @@ int QAudioFormat::frequency() const
 }
 
 /*!
-   Sets the number of channels to the \a channels value specified.
+   Sets the channel count to \a channels.
+*/
+
+void QAudioFormat::setChannelCount(int channels)
+{
+    d->channels = channels;
+}
+
+/*!
+   \internal
 */
 
 void QAudioFormat::setChannels(int channels)
@@ -251,7 +278,16 @@ void QAudioFormat::setChannels(int channels)
 }
 
 /*!
-    Returns the current number of channels.
+    Returns the current channel count value.
+*/
+
+int QAudioFormat::channelCount() const
+{
+    return d->channels;
+}
+
+/*!
+    \internal
 */
 
 int QAudioFormat::channels() const
diff --git a/src/multimedia/audio/qaudioformat.h b/src/multimedia/audio/qaudioformat.h
index cb58d1c..b255907 100644
--- a/src/multimedia/audio/qaudioformat.h
+++ b/src/multimedia/audio/qaudioformat.h
@@ -76,6 +76,12 @@ public:
     void setFrequency(int frequency);
     int frequency() const;
 
+    void setSampleRate(int samplerate);
+    int sampleRate() const;
+
+    void setChannelCount(int channels);
+    int channelCount() const;
+
     void setChannels(int channels);
     int channels() const;
 
diff --git a/src/multimedia/audio/qaudioinput.cpp b/src/multimedia/audio/qaudioinput.cpp
index 484a533..6fc4284 100644
--- a/src/multimedia/audio/qaudioinput.cpp
+++ b/src/multimedia/audio/qaudioinput.cpp
@@ -88,8 +88,8 @@ QT_BEGIN_NAMESPACE
 
       QAudioFormat format;
       // set up the format you want, eg.
-      format.setFrequency(8000);
-      format.setChannels(1);
+      format.setSampleRate(8000);
+      format.setChannelCount(1);
       format.setSampleSize(8);
       format.setCodec("audio/pcm");
       format.setByteOrder(QAudioFormat::LittleEndian);
diff --git a/src/multimedia/audio/qaudioinput_alsa_p.cpp b/src/multimedia/audio/qaudioinput_alsa_p.cpp
index e957cb4..ea68c8d6 100644
--- a/src/multimedia/audio/qaudioinput_alsa_p.cpp
+++ b/src/multimedia/audio/qaudioinput_alsa_p.cpp
@@ -256,7 +256,7 @@ bool QAudioInputPrivate::open()
     int dir;
     int err=-1;
     int count=0;
-    unsigned int freakuency=settings.frequency();
+    unsigned int freakuency=settings.sampleRate();
 
     QString dev = QString(QLatin1String(m_device.constData()));
     QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioInput);
@@ -332,7 +332,7 @@ bool QAudioInputPrivate::open()
         }
     }
     if ( !fatal ) {
-        err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channels() );
+        err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channelCount() );
         if ( err < 0 ) {
             fatal = true;
             errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_channels: err = %1").arg(err);
@@ -505,7 +505,7 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
             errorState = QAudio::NoError;
             deviceState = QAudio::IdleState;
         } else {
-            totalTimeValue += snd_pcm_bytes_to_frames(handle, err)*1000000/settings.frequency();
+            totalTimeValue += snd_pcm_bytes_to_frames(handle, err)*1000000/settings.sampleRate();
             resuming = false;
             errorState = QAudio::NoError;
             deviceState = QAudio::ActiveState;
@@ -534,7 +534,7 @@ void QAudioInputPrivate::resume()
         resuming = true;
         deviceState = QAudio::ActiveState;
         int chunks = buffer_size/period_size;
-        timer->start(buffer_time*chunks/2000);
+        timer->start(period_time*chunks/2000);
         emit stateChanged(deviceState);
     }
 }
@@ -702,7 +702,7 @@ qint64 InputPrivate::readData( char* data, qint64 len)
         count++;
     }
     if(err > 0 && readFrames > 0) {
-        audioDevice->totalTimeValue += readFrames*1000/audioDevice->settings.frequency()*1000;
+        audioDevice->totalTimeValue += readFrames*1000/audioDevice->settings.sampleRate()*1000;
         audioDevice->deviceState = QAudio::ActiveState;
         return err;
     }
diff --git a/src/multimedia/audio/qaudioinput_mac_p.cpp b/src/multimedia/audio/qaudioinput_mac_p.cpp
index 7251513..f5be8ee 100644
--- a/src/multimedia/audio/qaudioinput_mac_p.cpp
+++ b/src/multimedia/audio/qaudioinput_mac_p.cpp
@@ -814,7 +814,7 @@ int QAudioInputPrivate::notifyInterval() const
 
 qint64 QAudioInputPrivate::processedUSecs() const
 {
-    return totalFrames * 1000000 / audioFormat.frequency();
+    return totalFrames * 1000000 / audioFormat.sampleRate();
 }
 
 qint64 QAudioInputPrivate::elapsedUSecs() const
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index 17e8bfb..5c597ef 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -225,16 +225,16 @@ bool QAudioInputPrivate::open()
     header = 0;
     if(buffer_size == 0) {
         // Default buffer size, 100ms, default period size is 20ms
-        buffer_size = settings.frequency()*settings.channels()*(settings.sampleSize()/8)*0.1;
+        buffer_size = settings.sampleRate()*settings.channelCount()*(settings.sampleSize()/8)*0.1;
 	period_size = buffer_size/5;
     } else {
         period_size = buffer_size/5;
     }
     timeStamp.restart();
     elapsedTimeOffset = 0;
-    wfx.nSamplesPerSec = settings.frequency();
+    wfx.nSamplesPerSec = settings.sampleRate();
     wfx.wBitsPerSample = settings.sampleSize();
-    wfx.nChannels = settings.channels();
+    wfx.nChannels = settings.channelCount();
     wfx.cbSize = 0;
 
     wfx.wFormatTag = WAVE_FORMAT_PCM;
@@ -374,8 +374,8 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
 
                 } else {
                     totalTimeValue += waveBlocks[header].dwBytesRecorded
-                        /((settings.channels()*settings.sampleSize()/8))
-                        *10000/settings.frequency()*100;
+                        /((settings.channelCount()*settings.sampleSize()/8))
+                        *10000/settings.sampleRate()*100;
                     errorState = QAudio::NoError;
                     deviceState = QAudio::ActiveState;
 		    resuming = false;
@@ -388,8 +388,8 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len)
                 qDebug()<<"IN: "<<waveBlocks[header].dwBytesRecorded<<", OUT: "<<l;
 #endif
                 totalTimeValue += waveBlocks[header].dwBytesRecorded
-                    /((settings.channels()*settings.sampleSize()/8))
-                    *10000/settings.frequency()*100;
+                    /((settings.channelCount()*settings.sampleSize()/8))
+                    *10000/settings.sampleRate()*100;
                 errorState = QAudio::NoError;
                 deviceState = QAudio::ActiveState;
 		resuming = false;
diff --git a/src/multimedia/audio/qaudiooutput.cpp b/src/multimedia/audio/qaudiooutput.cpp
index 6d09212..613056c 100644
--- a/src/multimedia/audio/qaudiooutput.cpp
+++ b/src/multimedia/audio/qaudiooutput.cpp
@@ -83,8 +83,8 @@ QT_BEGIN_NAMESPACE
 
       QAudioFormat format;
       // Set up the format, eg.
-      format.setFrequency(8000);
-      format.setChannels(1);
+      format.setSampleRate(8000);
+      format.setChannelCount(1);
       format.setSampleSize(8);
       format.setCodec("audio/pcm");
       format.setByteOrder(QAudioFormat::LittleEndian);
diff --git a/src/multimedia/audio/qaudiooutput_alsa_p.cpp b/src/multimedia/audio/qaudiooutput_alsa_p.cpp
index 7b89cef..43b65ec 100644
--- a/src/multimedia/audio/qaudiooutput_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_alsa_p.cpp
@@ -279,7 +279,7 @@ bool QAudioOutputPrivate::open()
     int dir;
     int err=-1;
     int count=0;
-    unsigned int freakuency=settings.frequency();
+    unsigned int freakuency=settings.sampleRate();
 
     QString dev = QLatin1String(m_device.constData());
     QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioOutput);
@@ -354,7 +354,7 @@ bool QAudioOutputPrivate::open()
         }
     }
     if ( !fatal ) {
-        err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channels() );
+        err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channelCount() );
         if ( err < 0 ) {
             fatal = true;
             errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_channels: err = %1").arg(err);
@@ -494,7 +494,7 @@ qint64 QAudioOutputPrivate::write( const char *data, qint64 len )
         err = snd_pcm_writei( handle, data, frames );
     }
     if(err > 0) {
-        totalTimeValue += err*1000000/settings.frequency();
+        totalTimeValue += err*1000000/settings.sampleRate();
         resuming = false;
         errorState = QAudio::NoError;
         deviceState = QAudio::ActiveState;
diff --git a/src/multimedia/audio/qaudiooutput_mac_p.cpp b/src/multimedia/audio/qaudiooutput_mac_p.cpp
index 518f78f..4367ee7 100644
--- a/src/multimedia/audio/qaudiooutput_mac_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_mac_p.cpp
@@ -87,8 +87,8 @@ public:
         m_device(0)
     {
         m_buffer = new QAudioRingBuffer(bufferSize + (bufferSize % maxPeriodSize == 0 ? 0 : maxPeriodSize - (bufferSize % maxPeriodSize)));
-        m_bytesPerFrame = (audioFormat.sampleSize() / 8) * audioFormat.channels();
-        m_periodTime = m_maxPeriodSize / m_bytesPerFrame * 1000 / audioFormat.frequency();
+        m_bytesPerFrame = (audioFormat.sampleSize() / 8) * audioFormat.channelCount();
+        m_periodTime = m_maxPeriodSize / m_bytesPerFrame * 1000 / audioFormat.sampleRate();
 
         m_fillTimer = new QTimer(this);
         connect(m_fillTimer, SIGNAL(timeout()), SLOT(fillBuffer()));
@@ -546,7 +546,7 @@ int QAudioOutputPrivate::notifyInterval() const
 
 qint64 QAudioOutputPrivate::processedUSecs() const
 {
-    return totalFrames * 1000000 / audioFormat.frequency();
+    return totalFrames * 1000000 / audioFormat.sampleRate();
 }
 
 qint64 QAudioOutputPrivate::elapsedUSecs() const
diff --git a/src/multimedia/audio/qaudiooutput_win32_p.cpp b/src/multimedia/audio/qaudiooutput_win32_p.cpp
index c31e048..b6e9762 100644
--- a/src/multimedia/audio/qaudiooutput_win32_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_win32_p.cpp
@@ -213,7 +213,7 @@ bool QAudioOutputPrivate::open()
 #endif
     if(buffer_size == 0) {
         // Default buffer size, 200ms, default period size is 40ms
-        buffer_size = settings.frequency()*settings.channels()*(settings.sampleSize()/8)*0.2;
+        buffer_size = settings.sampleRate()*settings.channelCount()*(settings.sampleSize()/8)*0.2;
 	period_size = buffer_size/5;
     } else {
         period_size = buffer_size/5;
@@ -232,9 +232,9 @@ bool QAudioOutputPrivate::open()
     timeStamp.restart();
     elapsedTimeOffset = 0;
 
-    wfx.nSamplesPerSec = settings.frequency();
+    wfx.nSamplesPerSec = settings.sampleRate();
     wfx.wBitsPerSample = settings.sampleSize();
-    wfx.nChannels = settings.channels();
+    wfx.nChannels = settings.channelCount();
     wfx.cbSize = 0;
 
     wfx.wFormatTag = WAVE_FORMAT_PCM;
@@ -289,8 +289,8 @@ void QAudioOutputPrivate::close()
         return;
 
     deviceState = QAudio::StoppedState;
-    int delay = (buffer_size-bytesFree())*1000/(settings.frequency()
-                  *settings.channels()*(settings.sampleSize()/8));
+    int delay = (buffer_size-bytesFree())*1000/(settings.sampleRate()
+                  *settings.channelCount()*(settings.sampleSize()/8));
     waveOutReset(hWaveOut);
     Sleep(delay+10);
 
@@ -386,8 +386,8 @@ qint64 QAudioOutputPrivate::write( const char *data, qint64 len )
         LeaveCriticalSection(&waveOutCriticalSection);
 #endif
         totalTimeValue += current->dwBufferLength
-            /(settings.channels()*(settings.sampleSize()/8))
-            *1000000/settings.frequency();;
+            /(settings.channelCount()*(settings.sampleSize()/8))
+            *1000000/settings.sampleRate();;
         waveCurrentBlock++;
         waveCurrentBlock %= buffer_size/period_size;
         current = &waveBlocks[waveCurrentBlock];
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 7ff0ef2..6b65886 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -559,6 +559,9 @@ void QGL2PaintEngineExPrivate::resetGLState()
     glDepthMask(true);
     glDepthFunc(GL_LESS);
     glClearDepth(1);
+    glStencilMask(0xff);
+    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+    glStencilFunc(GL_ALWAYS, 0, 0xff);
 }
 
 void QGL2PaintEngineEx::endNativePainting()
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 8944c1b..547b33e 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -4952,8 +4952,6 @@ void QGLWidgetPrivate::initContext(QGLContext *context, const QGLWidget* shareWi
 
     if (!glcx)
         glcx = new QGLContext(QGLFormat::defaultFormat(), q);
-
-    q->setAttribute(Qt::WA_NoSystemBackground);
 }
 
 #if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp
index 0d3a892..85daf95 100644
--- a/src/opengl/qgl_x11egl.cpp
+++ b/src/opengl/qgl_x11egl.cpp
@@ -56,9 +56,9 @@ QT_BEGIN_NAMESPACE
 bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig config,
                              const QX11Info &x11Info, bool useArgbVisual);
 //
-// QGLTempContext is a lass for creating a temporary GL context (which is
-// needed during QGLWidget initialization to retrieve GL extension info).
-// Faster to construct than a full QGLWidget.
+// QGLTempContext is a class for creating a temporary GL context
+// (which is needed during QGLWidget initialization to retrieve GL
+// extension info).  Faster to construct than a full QGLWidget.
 //
 class QGLTempContext
 {
@@ -68,82 +68,82 @@ public:
         window(0),
         context(0),
         surface(0)
-        {
-            display = eglGetDisplay(EGLNativeDisplayType(X11->display));
+    {
+        display = eglGetDisplay(EGLNativeDisplayType(X11->display));
 
-            if (!eglInitialize(display, NULL, NULL)) {
-                qWarning("QGLTempContext: Unable to initialize EGL display.");
-                return;
-            }
+        if (!eglInitialize(display, NULL, NULL)) {
+            qWarning("QGLTempContext: Unable to initialize EGL display.");
+            return;
+        }
 
-            EGLConfig config;
-            int numConfigs = 0;
-            EGLint attribs[] = {
-                EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+        EGLConfig config;
+        int numConfigs = 0;
+        EGLint attribs[] = {
+            EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
 #ifdef QT_OPENGL_ES_2
-                EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+            EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
 #endif
-                EGL_NONE
-            };
+            EGL_NONE
+        };
 
-            eglChooseConfig(display, attribs, &config, 1, &numConfigs);
-            if (!numConfigs) {
-                qWarning("QGLTempContext: No EGL configurations available.");
-                return;
-            }
+        eglChooseConfig(display, attribs, &config, 1, &numConfigs);
+        if (!numConfigs) {
+            qWarning("QGLTempContext: No EGL configurations available.");
+            return;
+        }
 
-            XVisualInfo visualInfo;
-            XVisualInfo *vi;
-            int numVisuals;
-            EGLint id = 0;
-
-            eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &id);
-            if (id == 0) {
-                // EGL_NATIVE_VISUAL_ID is optional and might not be supported
-                // on some implementations - we'll have to do it the hard way
-                QX11Info xinfo;
-                qt_egl_setup_x11_visual(visualInfo, display, config, xinfo, false);
-            } else {
-                visualInfo.visualid = id;
-            }
-            vi = XGetVisualInfo(X11->display, VisualIDMask, &visualInfo, &numVisuals);
-            if (!vi || numVisuals < 1) {
-                qWarning("QGLTempContext: Unable to get X11 visual info id.");
-                return;
-            }
+        XVisualInfo visualInfo;
+        XVisualInfo *vi;
+        int numVisuals;
+        EGLint id = 0;
+
+        eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &id);
+        if (id == 0) {
+            // EGL_NATIVE_VISUAL_ID is optional and might not be supported
+            // on some implementations - we'll have to do it the hard way
+            QX11Info xinfo;
+            qt_egl_setup_x11_visual(visualInfo, display, config, xinfo, false);
+        } else {
+            visualInfo.visualid = id;
+        }
+        vi = XGetVisualInfo(X11->display, VisualIDMask, &visualInfo, &numVisuals);
+        if (!vi || numVisuals < 1) {
+            qWarning("QGLTempContext: Unable to get X11 visual info id.");
+            return;
+        }
 
-            window = XCreateWindow(X11->display, RootWindow(X11->display, screen),
-                                   0, 0, 1, 1, 0,
-                                   vi->depth, InputOutput, vi->visual,
-                                   0, 0);
+        window = XCreateWindow(X11->display, RootWindow(X11->display, screen),
+                               0, 0, 1, 1, 0,
+                               vi->depth, InputOutput, vi->visual,
+                               0, 0);
 
-            surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType) window, NULL);
+        surface = eglCreateWindowSurface(display, config, (EGLNativeWindowType) window, NULL);
 
-            if (surface == EGL_NO_SURFACE) {
-                qWarning("QGLTempContext: Error creating EGL surface.");
-                XFree(vi);
-                XDestroyWindow(X11->display, window);
-                return;
-            }
+        if (surface == EGL_NO_SURFACE) {
+            qWarning("QGLTempContext: Error creating EGL surface.");
+            XFree(vi);
+            XDestroyWindow(X11->display, window);
+            return;
+        }
 
-            EGLint contextAttribs[] = {
+        EGLint contextAttribs[] = {
 #ifdef QT_OPENGL_ES_2
-                EGL_CONTEXT_CLIENT_VERSION, 2,
+            EGL_CONTEXT_CLIENT_VERSION, 2,
 #endif
-                EGL_NONE
-            };
-            context = eglCreateContext(display, config, 0, contextAttribs);
-            if (context != EGL_NO_CONTEXT
-                && eglMakeCurrent(display, surface, surface, context))
-            {
-                initialized = true;
-            } else {
-                qWarning("QGLTempContext: Error creating EGL context.");
-                eglDestroySurface(display, surface);
-                XDestroyWindow(X11->display, window);
-            }
-            XFree(vi);
+            EGL_NONE
+        };
+        context = eglCreateContext(display, config, 0, contextAttribs);
+        if (context != EGL_NO_CONTEXT
+            && eglMakeCurrent(display, surface, surface, context))
+        {
+            initialized = true;
+        } else {
+            qWarning("QGLTempContext: Error creating EGL context.");
+            eglDestroySurface(display, surface);
+            XDestroyWindow(X11->display, window);
         }
+        XFree(vi);
+    }
 
     ~QGLTempContext() {
         if (initialized) {
@@ -349,7 +349,7 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf
 
     // If EGL does not know the visual ID, so try to select an appropriate one ourselves, first
     // using XRender if we're supposed to have an alpha, then falling back to XGetVisualInfo
-          
+
 #if !defined(QT_NO_XRENDER)
     if (vi.visualid == 0 && useArgbVisual) {
         // Try to use XRender to find an ARGB visual we can use