Merge remote branch 'qt-master/master'

Conflicts:
	src/s60installs/qt.iby

48 files changed, 332 insertions, 400 deletions

diff --git a/src/gui/embedded/qvfbhdr.h b/src/gui/embedded/qvfbhdr.h
index 31704b3..84f82ac 100644
--- a/src/gui/embedded/qvfbhdr.h
+++ b/src/gui/embedded/qvfbhdr.h
@@ -53,36 +53,37 @@ QT_BEGIN_NAMESPACE
 QT_MODULE(Gui)
 
 #ifndef QT_QWS_TEMP_DIR
-#define QT_QWS_TEMP_DIR "/tmp"
+#  define QT_QWS_TEMP_DIR QLatin1String("/tmp")
 #endif
 
 #ifdef QT_PRIVATE_QWS
-#define QT_VFB_DATADIR(DISPLAY) QString("%1/qtembedded-%2-%3") \
-                                .arg(QT_QWS_TEMP_DIR).arg(getuid()).arg(DISPLAY)
-
+#define QT_VFB_DATADIR(DISPLAY)       QString::fromLatin1("%1/qtembedded-%2-%3") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(getuid()).arg(DISPLAY)
 #define QT_VFB_MOUSE_PIPE(DISPLAY)    QT_VFB_DATADIR(DISPLAY) \
-                                      .append("/qtvfb_mouse")
+                                      .append(QLatin1String("/qtvfb_mouse"))
 #define QT_VFB_KEYBOARD_PIPE(DISPLAY) QT_VFB_DATADIR(DISPLAY) \
-                                      .append("/qtvfb_keyboard")
+                                      .append(QLatin1String("/qtvfb_keyboard"))
 #define QT_VFB_MAP(DISPLAY)           QT_VFB_DATADIR(DISPLAY) \
-                                      .append("/qtvfb_map")
+                                      .append(QLatin1String("/qtvfb_map"))
 #define QT_VFB_SOUND_PIPE(DISPLAY)    QT_VFB_DATADIR(DISPLAY) \
-                                      .append("/qt_soundserver")
+                                      .append(QLatin1String("/qt_soundserver"))
 #define QTE_PIPE(DISPLAY)             QT_VFB_DATADIR(DISPLAY) \
-                                      .append("/QtEmbedded")
+                                      .append(QLatin1String("/QtEmbedded"))
 #define QTE_PIPE_QVFB(DISPLAY)        QTE_PIPE(DISPLAY)
 #else
-#define QT_VFB_DATADIR(DISPLAY) QString("%1/qtembedded-%2") \
-                                .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
-#define QT_VFB_MOUSE_PIPE(DISPLAY)    QString("/tmp/.qtvfb_mouse-%1").arg(DISPLAY)
-#define QT_VFB_KEYBOARD_PIPE(DISPLAY) QString("/tmp/.qtvfb_keyboard-%1").arg(DISPLAY)
-#define QT_VFB_MAP(DISPLAY)           QString("/tmp/.qtvfb_map-%1").arg(DISPLAY)
-#define QT_VFB_SOUND_PIPE(DISPLAY)    QString("/tmp/.qt_soundserver-%1").arg(DISPLAY)
-#define QTE_PIPE(DISPLAY)             QT_VFB_DATADIR(DISPLAY)   \
-                                      .append("/QtEmbedded-%1") \
-                                      .arg(DISPLAY)
-#define QTE_PIPE_QVFB(DISPLAY)        QString("/tmp/qtembedded-%1/QtEmbedded-%1") \
-                                      .arg(DISPLAY)
+#define QT_VFB_DATADIR(DISPLAY)       QString::fromLatin1("%1/qtembedded-%2") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
+#define QT_VFB_MOUSE_PIPE(DISPLAY)    QString::fromLatin1("%1/.qtvfb_mouse-%2") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
+#define QT_VFB_KEYBOARD_PIPE(DISPLAY) QString::fromLatin1("%1/.qtvfb_keyboard-%2") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
+#define QT_VFB_MAP(DISPLAY)           QString::fromLatin1("%1/.qtvfb_map-%2") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
+#define QT_VFB_SOUND_PIPE(DISPLAY)    QString::fromLatin1("%1/.qt_soundserver-%2") \
+                                      .arg(QT_QWS_TEMP_DIR).arg(DISPLAY)
+#define QTE_PIPE(DISPLAY)             QT_VFB_DATADIR(DISPLAY) \
+                                      .append(QLatin1String("/QtEmbedded-%1")).arg(DISPLAY)
+#define QTE_PIPE_QVFB(DISPLAY)        QTE_PIPE(DISPLAY)
 #endif
 
 struct QVFbHeader
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index e342783..e67fe82 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -421,7 +421,7 @@
     \omitvalue ItemStopsFocusHandling \omit Same as
     ItemStopsClickFocusPropagation, but also suppresses focus-out. This flag
     allows you to completely take over focus handling.
-    This flag was introduced in Qt 4.7.
+    This flag was introduced in Qt 4.7. \endomit
 */
 
 /*!
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 7932a73..0713d09 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -4948,6 +4948,19 @@ void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const Q
 
         if (painterStateProtection || restorePainterClip)
             painter->restore();
+
+        static int drawRect = qgetenv("QT_DRAW_SCENE_ITEM_RECTS").toInt();
+        if (drawRect) {
+            QPen oldPen = painter->pen();
+            QBrush oldBrush = painter->brush();
+            quintptr ptr = reinterpret_cast<quintptr>(item);
+            const QColor color = QColor::fromHsv(ptr % 255, 255, 255);
+            painter->setPen(color);
+            painter->setBrush(Qt::NoBrush);
+            painter->drawRect(adjustedItemBoundingRect(item));
+            painter->setPen(oldPen);
+            painter->setBrush(oldBrush);
+        }
     }
 
     // Draw children in front
@@ -5966,9 +5979,6 @@ bool QGraphicsScenePrivate::sendTouchBeginEvent(QGraphicsItem *origin, QTouchEve
         }
         if (item && item->isPanel())
             break;
-        if (item && (item->d_ptr->flags
-                     & (QGraphicsItem::ItemStopsClickFocusPropagation | QGraphicsItem::ItemStopsFocusHandling)))
-            break;
     }
 
     touchEvent->setAccepted(eventAccepted);
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 62116f3..50b372e 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -65,6 +65,7 @@
 #include <private/qpaintengine_raster_p.h>
 
 #include <private/qimage_p.h>
+#include <private/qfont_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -119,9 +120,6 @@ const QVector<QRgb> *qt_image_colortable(const QImage &image)
     return &image.d->colortable;
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
-
 QBasicAtomicInt qimage_serial_number = Q_BASIC_ATOMIC_INITIALIZER(1);
 
 QImageData::QImageData()
diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp
index ab05bf1..0a0dc35 100644
--- a/src/gui/image/qimagereader.cpp
+++ b/src/gui/image/qimagereader.cpp
@@ -1482,6 +1482,9 @@ QByteArray QImageReader::imageFormat(QIODevice *device)
     configure script or check the appropriate option in the graphical
     installer.
 
+    Note that the QApplication instance must be created before this function is
+    called.
+
     \sa setFormat(), QImageWriter::supportedImageFormats(), QImageIOPlugin
 */
 QList<QByteArray> QImageReader::supportedImageFormats()
diff --git a/src/gui/image/qimagewriter.cpp b/src/gui/image/qimagewriter.cpp
index 8a65ac0..504260a 100644
--- a/src/gui/image/qimagewriter.cpp
+++ b/src/gui/image/qimagewriter.cpp
@@ -679,6 +679,9 @@ bool QImageWriter::supportsOption(QImageIOHandler::ImageOption option) const
     Reading and writing SVG files is supported through Qt's
     \l{QtSvg Module}{SVG Module}.
 
+    Note that the QApplication instance must be created before this function is
+    called.
+
     \sa setFormat(), QImageReader::supportedImageFormats(), QImageIOPlugin
 */
 QList<QByteArray> QImageWriter::supportedImageFormats()
diff --git a/src/gui/image/qpaintengine_pic.cpp b/src/gui/image/qpaintengine_pic.cpp
index a8683b5..6f0979a 100644
--- a/src/gui/image/qpaintengine_pic.cpp
+++ b/src/gui/image/qpaintengine_pic.cpp
@@ -477,8 +477,6 @@ void QPicturePaintEngine::drawImage(const QRectF &r, const QImage &image, const
     writeCmdLength(pos, r, false);
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpi();
-
 void QPicturePaintEngine::drawTextItem(const QPointF &p , const QTextItem &ti)
 {
     Q_D(QPicturePaintEngine);
diff --git a/src/gui/image/qpicture.cpp b/src/gui/image/qpicture.cpp
index 053d1fc..3f38c0c 100644
--- a/src/gui/image/qpicture.cpp
+++ b/src/gui/image/qpicture.cpp
@@ -46,6 +46,7 @@
 
 #include <private/qfactoryloader_p.h>
 #include <private/qpaintengine_pic_p.h>
+#include <private/qfont_p.h>
 
 #include "qdatastream.h"
 #include "qfile.h"
@@ -108,8 +109,6 @@ void qt_format_text(const QFont &fnt, const QRectF &_r,
 const char  *qt_mfhdr_tag = "QPIC"; // header tag
 static const quint16 mfhdr_maj = 11; // major version #
 static const quint16 mfhdr_min = 0; // minor version #
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
 
 /*!
     Constructs an empty picture.
diff --git a/src/gui/image/qpixmap_blitter.cpp b/src/gui/image/qpixmap_blitter.cpp
index 26d3b87..e2cd745 100644
--- a/src/gui/image/qpixmap_blitter.cpp
+++ b/src/gui/image/qpixmap_blitter.cpp
@@ -49,6 +49,7 @@
 #include <private/qblittable_p.h>
 
 #include <private/qdrawhelper_p.h>
+#include <private/qfont_p.h>
 
 #ifndef QT_NO_BLITTABLE
 QT_BEGIN_NAMESPACE
@@ -104,8 +105,6 @@ void QBlittablePixmapData::resize(int width, int height)
     h = height;
     is_null = (w <= 0 || h <= 0);
 }
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
 
 int QBlittablePixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
 {
diff --git a/src/gui/image/qpixmap_raster.cpp b/src/gui/image/qpixmap_raster.cpp
index a5f42c1..0a4d921 100644
--- a/src/gui/image/qpixmap_raster.cpp
+++ b/src/gui/image/qpixmap_raster.cpp
@@ -41,6 +41,8 @@
 
 #include "qpixmap.h"
 
+#include <private/qfont_p.h>
+
 #include "qpixmap_raster_p.h"
 #include "qnativeimage_p.h"
 #include "qimage_p.h"
@@ -346,9 +348,6 @@ QPaintEngine* QRasterPixmapData::paintEngine() const
     return image.paintEngine();
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
-
 int QRasterPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
 {
     QImageData *d = image.d;
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp
index 32d8dd7..c8aa003 100644
--- a/src/gui/image/qpixmap_s60.cpp
+++ b/src/gui/image/qpixmap_s60.cpp
@@ -46,6 +46,7 @@
 #include <private/qgraphicssystem_p.h>
 #include <private/qt_s60_p.h>
 #include <private/qpaintengine_s60_p.h>
+#include <private/qfont_p.h>
 
 #include "qpixmap.h"
 #include "qpixmap_raster_p.h"
@@ -601,9 +602,6 @@ bool QS60PixmapData::scroll(int dx, int dy, const QRect &rect)
     return res;
 }
 
-Q_GUI_EXPORT int qt_defaultDpiX();
-Q_GUI_EXPORT int qt_defaultDpiY();
-
 int QS60PixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
 {
     if (!cfbsBitmap)
diff --git a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
index 2c70ade..3b5290c 100644
--- a/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
+++ b/src/gui/inputmethod/qcoefepinputcontext_s60.cpp
@@ -726,6 +726,8 @@ void QCoeFepInputContext::applyHints(Qt::InputMethodHints hints)
         m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_EMAIL_ADDR_SPECIAL_CHARACTER_TABLE_DIALOG);
     } else if (needsCharMap) {
         m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
+    } else if ((hints & ImhFormattedNumbersOnly) || (hints & ImhDialableCharactersOnly)) {
+        m_fepState->SetSpecialCharacterTableResourceId(R_AVKON_SPECIAL_CHARACTER_TABLE_DIALOG);
     } else {
         m_fepState->SetSpecialCharacterTableResourceId(0);
     }
diff --git a/src/gui/itemviews/qstyleditemdelegate.cpp b/src/gui/itemviews/qstyleditemdelegate.cpp
index 33293f7..4989c05 100644
--- a/src/gui/itemviews/qstyleditemdelegate.cpp
+++ b/src/gui/itemviews/qstyleditemdelegate.cpp
@@ -263,6 +263,11 @@ QStyledItemDelegate::~QStyledItemDelegate()
 
     The default implementation uses the QLocale::toString to convert \a value into
     a QString.
+
+    This function is not called for empty model indices, i.e., indices for which
+    the model returns an invalid QVariant.
+
+    \sa QAbstractItemModel::data()
 */
 QString QStyledItemDelegate::displayText(const QVariant &value, const QLocale& locale) const
 {
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 769b136..0688061 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -142,6 +142,60 @@ void QS60Data::setStatusPaneAndButtonGroupVisibility(bool statusPaneVisible, boo
         // Ensure that control rectangle is updated
         static_cast<QSymbianControl *>(QApplication::activeWindow()->winId())->handleClientAreaChange();
 }
+
+bool QS60Data::setRecursiveDecorationsVisibility(QWidget *window, Qt::WindowStates newState)
+{
+    // Show statusbar:
+    //   Topmost parent: Show unless fullscreen/minimized.
+    //   Child windows: Follow topmost parent, unless fullscreen, in which case do not show statusbar
+    // Show CBA:
+    //   Topmost parent: Show unless fullscreen/minimized.
+    //     Exception: Show if fullscreen with Qt::WindowSoftkeysVisibleHint.
+    //   Child windows:
+    //     Minimized: Unclear if there is an use case for having focused minimized window at all.
+    //       Always follow topmost parent just to be safe.
+    //     Maximized and normal: follow topmost parent.
+    //       Exception: If topmost parent is not showing CBA, show CBA if any softkey actions are
+    //                  defined.
+    //     Fullscreen: Show only if Qt::WindowSoftkeysVisibleHint set.
+
+    Qt::WindowStates comparisonState = newState;
+    QWidget *parentWindow = window->parentWidget();
+    if (parentWindow) {
+        while (parentWindow->parentWidget())
+            parentWindow = parentWindow->parentWidget();
+        comparisonState = parentWindow->windowState();
+    } else {
+        parentWindow = window;
+    }
+
+    bool decorationsVisible = !(comparisonState & (Qt::WindowFullScreen | Qt::WindowMinimized));
+    const bool parentIsFullscreen = comparisonState & Qt::WindowFullScreen;
+    const bool parentCbaVisibilityHint = parentWindow->windowFlags() & Qt::WindowSoftkeysVisibleHint;
+    bool buttonGroupVisibility = (decorationsVisible || (parentIsFullscreen && parentCbaVisibilityHint));
+
+    // Do extra checking for child windows
+    if (window->parentWidget()) {
+        if (newState & Qt::WindowFullScreen) {
+            decorationsVisible = false;
+            if (window->windowFlags() & Qt::WindowSoftkeysVisibleHint)
+                buttonGroupVisibility = true;
+            else
+                buttonGroupVisibility = false;
+        } else if (!(newState & Qt::WindowMinimized) && !buttonGroupVisibility) {
+            for (int i = 0; i < window->actions().size(); ++i) {
+                if (window->actions().at(i)->softKeyRole() != QAction::NoSoftKey) {
+                    buttonGroupVisibility = true;
+                    break;
+                }
+            }
+        }
+    }
+
+    S60->setStatusPaneAndButtonGroupVisibility(decorationsVisible, buttonGroupVisibility);
+
+    return decorationsVisible;
+}
 #endif
 
 void QS60Data::controlVisibilityChanged(CCoeControl *control, bool visible)
@@ -1271,37 +1325,8 @@ void QSymbianControl::FocusChanged(TDrawNow /* aDrawNow */)
         qwidget->d_func()->setWindowIcon_sys(true);
         qwidget->d_func()->setWindowTitle_sys(qwidget->windowTitle());
 #ifdef Q_WS_S60
-        if (qwidget->isWindow()) {
-            QWidget *const window = qwidget->window();
-            QWidget *parentWindow = window->parentWidget();
-            if (parentWindow) {
-                while (parentWindow->parentWidget())
-                    parentWindow = parentWindow->parentWidget();
-            } else {
-                parentWindow = window;
-            }
-
-            const bool parentDecorationsVisible = !(parentWindow->windowState() & (Qt::WindowFullScreen | Qt::WindowMinimized));
-            const bool parentIsFullscreen = parentWindow->windowState() & Qt::WindowFullScreen;
-            const bool parentCbaVisibilityHint = parentWindow->windowFlags() & Qt::WindowSoftkeysVisibleHint;
-            bool buttonGroupVisibility = (parentDecorationsVisible || (parentIsFullscreen && parentCbaVisibilityHint));
-
-            // For non-toplevel normal and maximized windows, show cba if window has softkey
-            // actions even if topmost parent is not showing cba. Do the same for fullscreen
-            // windows that request it.
-            if (!buttonGroupVisibility
-                && window->parentWidget()
-                && !(window->windowState() & Qt::WindowMinimized)
-                && ((window->windowFlags() & Qt::WindowSoftkeysVisibleHint) || !(window->windowState() & Qt::WindowFullScreen))) {
-                for (int i = 0; i < window->actions().size(); ++i) {
-                    if (window->actions().at(i)->softKeyRole() != QAction::NoSoftKey) {
-                        buttonGroupVisibility = true;
-                        break;
-                    }
-                }
-            }
-            S60->setStatusPaneAndButtonGroupVisibility(parentDecorationsVisible, buttonGroupVisibility);
-        }
+        if (qwidget->isWindow())
+            S60->setRecursiveDecorationsVisibility(qwidget, qwidget->windowState());
 #endif
     } else if (QApplication::activeWindow() == qwidget->window()) {
         bool focusedControlFound = false;
@@ -2182,7 +2207,8 @@ int QApplicationPrivate::symbianProcessWsEvent(const QSymbianEvent *symbianEvent
         }
 #endif
 #ifdef QT_SOFTKEYS_ENABLED
-        QSoftKeyManager::updateSoftKeys();
+        if (!CEikonEnv::Static()->EikAppUi()->IsDisplayingMenuOrDialog())
+            QSoftKeyManager::updateSoftKeys();
 #endif
         break;
     case EEventFocusLost:
diff --git a/src/gui/kernel/qapplication_win.cpp b/src/gui/kernel/qapplication_win.cpp
index 5f5da59..0a03397 100644
--- a/src/gui/kernel/qapplication_win.cpp
+++ b/src/gui/kernel/qapplication_win.cpp
@@ -3815,16 +3815,32 @@ bool QETWidget::translateConfigEvent(const MSG &msg)
                     QApplication::sendSpontaneousEvent(this, &e);
                     hideChildren(true);
                 }
-            } else if (msg.wParam != SIZE_MINIMIZED && isMinimized()) {
+            } else if (msg.wParam != SIZE_MINIMIZED) {
+                bool window_state_changed = false;
+                Qt::WindowStates oldstate = Qt::WindowStates(dataPtr()->window_state);
+                if (isMinimized()) {
 #ifndef Q_WS_WINCE
-                const QString title = windowTitle();
-                if (!title.isEmpty())
-                    d_func()->setWindowTitle_helper(title);
+                    const QString title = windowTitle();
+                    if (!title.isEmpty())
+                        d_func()->setWindowTitle_helper(title);
 #endif
-                data->window_state &= ~Qt::WindowMinimized;
-                showChildren(true);
-                QShowEvent e;
-                QApplication::sendSpontaneousEvent(this, &e);
+                    data->window_state &= ~Qt::WindowMinimized;
+                    showChildren(true);
+                    QShowEvent e;
+                    QApplication::sendSpontaneousEvent(this, &e);
+                // Capture SIZE_MAXIMIZED and SIZE_RESTORED without preceding WM_SYSCOMMAND
+                // (Aero Snap on Win7)
+                } else if (msg.wParam == SIZE_MAXIMIZED && !isMaximized()) {
+                    data->window_state |= Qt::WindowMaximized;
+                    window_state_changed = true;
+                } else if (msg.wParam == SIZE_RESTORED && isMaximized()) {
+                    data->window_state &= ~(Qt::WindowMaximized);
+                    window_state_changed = true;
+                }
+                if (window_state_changed) {
+                    QWindowStateChangeEvent e(oldstate);
+                    QApplication::sendSpontaneousEvent(this, &e);
+                }
             }
         }
         if (msg.wParam != SIZE_MINIMIZED && oldSize != newSize) {
@@ -3856,7 +3872,7 @@ bool QETWidget::translateConfigEvent(const MSG &msg)
                 QApplication::postEvent(this, e);
             }
         }
-} else if (msg.message == WM_MOVE) {        // move event
+    } else if (msg.message == WM_MOVE) {        // move event
         int a = (int) (short) LOWORD(msg.lParam);
         int b = (int) (short) HIWORD(msg.lParam);
         QPoint oldPos = geometry().topLeft();
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index 7d41f3d..ee1115b 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -146,6 +146,20 @@ QT_END_NAMESPACE
     [NSApp terminate:sender];
 }
 
+- (void)setLevel:(NSInteger)windowLevel
+{
+    // Cocoa will upon activating/deactivating applications level modal
+    // windows up and down, regardsless of any explicit set window level.
+    // To ensure that modal stays-on-top dialogs actually stays on top after
+    // the application is activated (and therefore stacks in front of
+    // other stays-on-top windows), we need to add this little special-case override:
+    QWidget *widget = [[QT_MANGLE_NAMESPACE(QCocoaWindowDelegate) sharedDelegate] qt_qwidgetForWindow:self];
+    if (widget && widget->isModal() && (widget->windowFlags() & Qt::WindowStaysOnTopHint))
+        [super setLevel:NSPopUpMenuWindowLevel];
+    else
+        [super setLevel:windowLevel];
+}
+
 - (void)sendEvent:(NSEvent *)event
 {
     [self retain];
diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.cpp b/src/gui/kernel/qplatformnativeinterface_qpa.cpp
index ace4a7b..281aeba 100644
--- a/src/gui/kernel/qplatformnativeinterface_qpa.cpp
+++ b/src/gui/kernel/qplatformnativeinterface_qpa.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.h b/src/gui/kernel/qplatformnativeinterface_qpa.h
index 5ea2c13..b9d0619 100644
--- a/src/gui/kernel/qplatformnativeinterface_qpa.h
+++ b/src/gui/kernel/qplatformnativeinterface_qpa.h
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
diff --git a/src/gui/kernel/qt_s60_p.h b/src/gui/kernel/qt_s60_p.h
index 102c0ca..ee0b862 100644
--- a/src/gui/kernel/qt_s60_p.h
+++ b/src/gui/kernel/qt_s60_p.h
@@ -178,6 +178,7 @@ public:
     static inline CEikButtonGroupContainer* buttonGroupContainer();
     static inline void setButtonGroupContainer(CEikButtonGroupContainer* newCba);
     static void setStatusPaneAndButtonGroupVisibility(bool statusPaneVisible, bool buttonGroupVisible);
+    static bool setRecursiveDecorationsVisibility(QWidget *window, Qt::WindowStates newState);
 #endif
     static void controlVisibilityChanged(CCoeControl *control, bool visible);
 
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 3cc3e65..5705214 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -612,8 +612,7 @@ void QWidget::setAutoFillBackground(bool enabled)
     \brief The QWidget class is the base class of all user interface objects.
 
     \ingroup basicwidgets
-
-
+    
     The widget is the atom of the user interface: it receives mouse, keyboard
     and other events from the window system, and paints a representation of
     itself on the screen. Every widget is rectangular, and they are sorted in a
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 34918e4..f5a9e27 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -2849,6 +2849,11 @@ void QWidgetPrivate::transferChildren()
 #ifdef QT_MAC_USE_COCOA
 void QWidgetPrivate::setSubWindowStacking(bool set)
 {
+    // After hitting too many unforeseen bugs trying to put Qt on top of the cocoa child
+    // window API, we have decided to revert this behaviour as much as we can. We
+    // therefore now only allow child windows to exist for children of modal dialogs.
+    static bool use_behaviour_qt473 = !qgetenv("QT_MAC_USE_CHILDWINDOWS").isEmpty();
+
     // This will set/remove a visual relationship between parent and child on screen.
     // The reason for doing this is to ensure that a child always stacks infront of
     // its parent. Unfortunatly is turns out that [NSWindow addChildWindow] has
@@ -2877,7 +2882,10 @@ void QWidgetPrivate::setSubWindowStacking(bool set)
         if (NSWindow *pwin = [qt_mac_nativeview_for(parent) window]) {
             if (set) {
                 Qt::WindowType ptype = parent->window()->windowType();
-                if ([pwin isVisible] && (ptype == Qt::Window || ptype == Qt::Dialog) && ![qwin parentWindow]) {
+                if ([pwin isVisible]
+                    && (ptype == Qt::Window || ptype == Qt::Dialog)
+                    && ![qwin parentWindow]
+                    && (!use_behaviour_qt473 && parent->windowModality() == Qt::ApplicationModal)) {
                     NSInteger level = [qwin level];
                     [pwin addChildWindow:qwin ordered:NSWindowAbove];
                     if ([qwin level] < level)
@@ -2889,6 +2897,10 @@ void QWidgetPrivate::setSubWindowStacking(bool set)
         }
     }
 
+    // Only set-up child windows for q if q is modal:
+    if (set && !use_behaviour_qt473 && q->windowModality() != Qt::ApplicationModal)
+        return;
+
     QObjectList widgets = q->children();
     for (int i=0; i<widgets.size(); ++i) {
         QWidget *child = qobject_cast<QWidget *>(widgets.at(i));
diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index c74c7eb..83e46e5 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -1210,41 +1210,10 @@ void QWidget::setWindowState(Qt::WindowStates newstate)
         }
 
 #ifdef Q_WS_S60
-        // Hide window decoration when switching to fullscreen / minimized otherwise show decoration.
         // The window decoration visibility has to be changed before doing actual window state
         // change since in that order the availableGeometry will return directly the right size and
         // we will avoid unnecessary redraws
-        Qt::WindowStates comparisonState = newstate;
-        QWidget *parentWindow = parentWidget();
-        if (parentWindow) {
-            while (parentWindow->parentWidget())
-                parentWindow = parentWindow->parentWidget();
-            comparisonState = parentWindow->windowState();
-        } else {
-            parentWindow = this;
-        }
-
-        const bool decorationsVisible = !(comparisonState & (Qt::WindowFullScreen | Qt::WindowMinimized));
-        const bool parentIsFullscreen = comparisonState & Qt::WindowFullScreen;
-        const bool parentCbaVisibilityHint = parentWindow->windowFlags() & Qt::WindowSoftkeysVisibleHint;
-        bool buttonGroupVisibility = (decorationsVisible || (parentIsFullscreen && parentCbaVisibilityHint));
-
-        // For non-toplevel normal and maximized windows, show cba if window has softkey
-        // actions even if topmost parent is not showing cba. Do the same for fullscreen
-        // windows that request it.
-        if (!buttonGroupVisibility
-            && parentWidget()
-            && !(newstate & Qt::WindowMinimized)
-            && ((windowFlags() & Qt::WindowSoftkeysVisibleHint) || !(newstate & Qt::WindowFullScreen))) {
-            for (int i = 0; i < actions().size(); ++i) {
-                if (actions().at(i)->softKeyRole() != QAction::NoSoftKey) {
-                    buttonGroupVisibility = true;
-                    break;
-                }
-            }
-        }
-        S60->setStatusPaneAndButtonGroupVisibility(decorationsVisible, buttonGroupVisibility);
-
+        bool decorationsVisible = S60->setRecursiveDecorationsVisibility(this, newstate);
 #endif // Q_WS_S60
 
         // Ensure the initial size is valid, since we store it as normalGeometry below.
diff --git a/src/gui/painting/qbezier.cpp b/src/gui/painting/qbezier.cpp
index 119cf1c..a2f0edd 100644
--- a/src/gui/painting/qbezier.cpp
+++ b/src/gui/painting/qbezier.cpp
@@ -65,13 +65,6 @@ QT_BEGIN_NAMESPACE
 #define M_SQRT2	1.41421356237309504880
 #endif
 
-#define log2(x) (qLn(x)/qLn(2.))
-
-static inline qreal log4(qreal x)
-{
-    return qreal(0.5) * log2(x);
-}
-
 /*!
   \internal
 */
@@ -184,7 +177,7 @@ static inline bool findInflections(qreal a, qreal b, qreal c,
             *t2 = r1;
         }
         if (!qFuzzyIsNull(a))
-            *tCups = 0.5 * (-b / a);
+            *tCups = qreal(0.5) * (-b / a);
         else
             *tCups = 2;
 
@@ -274,8 +267,8 @@ static ShiftResult good_offset(const QBezier *b1, const QBezier *b2, qreal offse
     const qreal o2 = offset*offset;
     const qreal max_dist_line = threshold*offset*offset;
     const qreal max_dist_normal = threshold*offset;
-    const qreal spacing = 0.25;
-    for (qreal i = spacing; i < 0.99; i += spacing) {
+    const qreal spacing = qreal(0.25);
+    for (qreal i = spacing; i < qreal(0.99); i += spacing) {
         QPointF p1 = b1->pointAt(i);
         QPointF p2 = b2->pointAt(i);
         qreal d = (p1.x() - p2.x())*(p1.x() - p2.x()) + (p1.y() - p2.y())*(p1.y() - p2.y());
@@ -284,7 +277,7 @@ static ShiftResult good_offset(const QBezier *b1, const QBezier *b2, qreal offse
 
         QPointF normalPoint = b1->normalVector(i);
         qreal l = qAbs(normalPoint.x()) + qAbs(normalPoint.y());
-        if (l != 0.) {
+        if (l != qreal(0.0)) {
             d = qAbs( normalPoint.x()*(p1.y() - p2.y()) - normalPoint.y()*(p1.x() - p2.x()) ) / l;
             if (d > max_dist_normal)
                 return Split;
@@ -350,7 +343,7 @@ static ShiftResult shift(const QBezier *orig, QBezier *shifted, qreal offset, qr
 
         QPointF normal_sum = prev_normal + next_normal;
 
-        qreal r = 1.0 + prev_normal.x() * next_normal.x()
+        qreal r = qreal(1.0) + prev_normal.x() * next_normal.x()
                   + prev_normal.y() * next_normal.y();
 
         if (qFuzzyIsNull(r)) {
@@ -374,7 +367,7 @@ static ShiftResult shift(const QBezier *orig, QBezier *shifted, qreal offset, qr
 // This value is used to determine the length of control point vectors
 // when approximating arc segments as curves. The factor is multiplied
 // with the radius of the circle.
-#define KAPPA 0.5522847498
+#define KAPPA qreal(0.5522847498)
 
 
 static bool addCircle(const QBezier *b, qreal offset, QBezier *o)
@@ -417,11 +410,11 @@ static bool addCircle(const QBezier *b, qreal offset, QBezier *o)
 
     QPointF circle[3];
     circle[0] = QPointF(b->x1, b->y1) + normals[0]*offset;
-    circle[1] = QPointF(0.5*(b->x1 + b->x4), 0.5*(b->y1 + b->y4)) + normals[1]*offset;
+    circle[1] = QPointF(qreal(0.5)*(b->x1 + b->x4), qreal(0.5)*(b->y1 + b->y4)) + normals[1]*offset;
     circle[2] = QPointF(b->x4, b->y4) + normals[2]*offset;
 
     for (int i = 0; i < 2; ++i) {
-        qreal kappa = 2.*KAPPA * sign * offset * angles[i];
+        qreal kappa = qreal(2.0) * KAPPA * sign * offset * angles[i];
 
         o->x1 = circle[i].x();
         o->y1 = circle[i].y();
@@ -456,8 +449,8 @@ redo:
     while (b >= beziers) {
         int stack_segments = b - beziers + 1;
         if ((stack_segments == 10) || (o - curveSegments == maxSegments - stack_segments)) {
-            threshold *= 1.5;
-            if (threshold > 2.)
+            threshold *= qreal(1.5);
+            if (threshold > qreal(2.0))
                 goto give_up;
             goto redo;
         }
@@ -535,7 +528,7 @@ static inline void splitBezierAt(const QBezier &bez, qreal t,
 
 qreal QBezier::length(qreal error) const
 {
-    qreal length = 0.0;
+    qreal length = qreal(0.0);
 
     addIfClose(&length, error);
 
@@ -546,8 +539,8 @@ void QBezier::addIfClose(qreal *length, qreal error) const
 {
     QBezier left, right;     /* bez poly splits */
 
-    qreal len = 0.0;        /* arc length */
-    qreal chord;            /* chord length */
+    qreal len = qreal(0.0);  /* arc length */
+    qreal chord;             /* chord length */
 
     len = len + QLineF(QPointF(x1, y1),QPointF(x2, y2)).length();
     len = len + QLineF(QPointF(x2, y2),QPointF(x3, y3)).length();
@@ -589,7 +582,7 @@ qreal QBezier::tForY(qreal t0, qreal t1, qreal y) const
     qreal lt = t0;
     qreal dt;
     do {
-        qreal t = 0.5 * (t0 + t1);
+        qreal t = qreal(0.5) * (t0 + t1);
 
         qreal a, b, c, d;
         QBezier::coefficients(t, a, b, c, d);
@@ -604,7 +597,7 @@ qreal QBezier::tForY(qreal t0, qreal t1, qreal y) const
         }
         dt = lt - t;
         lt = t;
-    } while (qAbs(dt) > 1e-7);
+    } while (qAbs(dt) > qreal(1e-7));
 
     return t0;
 }
@@ -661,15 +654,15 @@ int QBezier::stationaryYPoints(qreal &t0, qreal &t1) const
 qreal QBezier::tAtLength(qreal l) const
 {
     qreal len = length();
-    qreal t   = 1.0;
-    const qreal error = (qreal)0.01;
+    qreal t   = qreal(1.0);
+    const qreal error = qreal(0.01);
     if (l > len || qFuzzyCompare(l, len))
         return t;
 
-    t *= 0.5;
+    t *= qreal(0.5);
     //int iters = 0;
     //qDebug()<<"LEN is "<<l<<len;
-    qreal lastBigger = 1.;
+    qreal lastBigger = qreal(1.0);
     while (1) {
         //qDebug()<<"\tt is "<<t;
         QBezier right = *this;
@@ -680,10 +673,10 @@ qreal QBezier::tAtLength(qreal l) const
             break;
 
         if (lLen < l) {
-            t += (lastBigger - t)*.5;
+            t += (lastBigger - t) * qreal(0.5);
         } else {
             lastBigger = t;
-            t -= t*.5;
+            t -= t * qreal(0.5);
         }
         //++iters;
     }
diff --git a/src/gui/painting/qblendfunctions_p.h b/src/gui/painting/qblendfunctions_p.h
index 8aff912..81f8b70 100644
--- a/src/gui/painting/qblendfunctions_p.h
+++ b/src/gui/painting/qblendfunctions_p.h
@@ -275,8 +275,8 @@ void qt_transform_image_rasterize(DestT *destPixels, int dbpl,
     qreal rightSlope = (bottomRight.x - topRight.x) / (bottomRight.y - topRight.y);
     int dx_l = int(leftSlope * 0x10000);
     int dx_r = int(rightSlope * 0x10000);
-    int x_l = int((topLeft.x + (0.5 + fromY - topLeft.y) * leftSlope + 0.5) * 0x10000);
-    int x_r = int((topRight.x + (0.5 + fromY - topRight.y) * rightSlope + 0.5) * 0x10000);
+    int x_l = int((topLeft.x + (qreal(0.5) + fromY - topLeft.y) * leftSlope + qreal(0.5)) * 0x10000);
+    int x_r = int((topRight.x + (qreal(0.5) + fromY - topRight.y) * rightSlope + qreal(0.5)) * 0x10000);
 
     int fromX, toX, x1, x2, u, v, i, ii;
     DestT *line;
@@ -471,8 +471,8 @@ void qt_transform_image(DestT *destPixels, int dbpl,
     int dvdx = int(m21 * 0x10000);
     int dudy = int(m12 * 0x10000);
     int dvdy = int(m22 * 0x10000);
-    int u0 = qCeil((0.5 * m11 + 0.5 * m12 + mdx) * 0x10000) - 1;
-    int v0 = qCeil((0.5 * m21 + 0.5 * m22 + mdy) * 0x10000) - 1;
+    int u0 = qCeil((qreal(0.5) * m11 + qreal(0.5) * m12 + mdx) * 0x10000) - 1;
+    int v0 = qCeil((qreal(0.5) * m21 + qreal(0.5) * m22 + mdy) * 0x10000) - 1;
 
     int x1 = qFloor(sourceRect.left());
     int y1 = qFloor(sourceRect.top());
diff --git a/src/gui/painting/qbrush.cpp b/src/gui/painting/qbrush.cpp
index 811f3ae..bf5764a 100644
--- a/src/gui/painting/qbrush.cpp
+++ b/src/gui/painting/qbrush.cpp
@@ -49,6 +49,7 @@
 #include "qdebug.h"
 #include <QtCore/qcoreapplication.h>
 #include "private/qstylehelper_p.h"
+#include <QtCore/qnumeric.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -1369,13 +1370,14 @@ QGradient::QGradient()
 
 void QGradient::setColorAt(qreal pos, const QColor &color)
 {
-    if (pos > 1 || pos < 0) {
+    if ((pos > 1 || pos < 0) && !qIsNaN(pos)) {
         qWarning("QGradient::setColorAt: Color position must be specified in the range 0 to 1");
         return;
     }
 
     int index = 0;
-    while (index < m_stops.size() && m_stops.at(index).first < pos) ++index;
+    if (!qIsNaN(pos))
+        while (index < m_stops.size() && m_stops.at(index).first < pos) ++index;
 
     if (index < m_stops.size() && m_stops.at(index).first == pos)
         m_stops[index].second = color;
@@ -1785,7 +1787,7 @@ static QPointF qt_radial_gradient_adapt_focal_point(const QPointF &center,
     // We have a one pixel buffer zone to avoid numerical instability on the
     // circle border
     //### this is hacky because technically we should adjust based on current matrix
-    const qreal compensated_radius = radius - radius * 0.001;
+    const qreal compensated_radius = radius - radius * qreal(0.001);
     QLineF line(center, focalPoint);
     if (line.length() > (compensated_radius))
         line.setLength(compensated_radius);
diff --git a/src/gui/painting/qcolor.cpp b/src/gui/painting/qcolor.cpp
index 73a6ed8..ff6c24e 100644
--- a/src/gui/painting/qcolor.cpp
+++ b/src/gui/painting/qcolor.cpp
@@ -629,7 +629,7 @@ void QColor::getHsvF(qreal *h, qreal *s, qreal *v, qreal *a) const
         return;
     }
 
-    *h = ct.ahsv.hue == USHRT_MAX ? -1.0 : ct.ahsv.hue / 36000.0;
+    *h = ct.ahsv.hue == USHRT_MAX ? qreal(-1.0) : ct.ahsv.hue / qreal(36000.0);
     *s = ct.ahsv.saturation / qreal(USHRT_MAX);
     *v = ct.ahsv.value / qreal(USHRT_MAX);
 
@@ -676,17 +676,17 @@ void QColor::getHsv(int *h, int *s, int *v, int *a) const
 */
 void QColor::setHsvF(qreal h, qreal s, qreal v, qreal a)
 {
-    if (((h < 0.0 || h > 1.0) && h != -1.0)
-        || (s < 0.0 || s > 1.0)
-        || (v < 0.0 || v > 1.0)
-        || (a < 0.0 || a > 1.0)) {
+    if (((h < qreal(0.0) || h > qreal(1.0)) && h != qreal(-1.0))
+        || (s < qreal(0.0) || s > qreal(1.0))
+        || (v < qreal(0.0) || v > qreal(1.0))
+        || (a < qreal(0.0) || a > qreal(1.0))) {
         qWarning("QColor::setHsvF: HSV parameters out of range");
         return;
     }
 
     cspec = Hsv;
     ct.ahsv.alpha      = qRound(a * USHRT_MAX);
-    ct.ahsv.hue        = h == -1.0 ? USHRT_MAX : qRound(h * 36000);
+    ct.ahsv.hue        = h == qreal(-1.0) ? USHRT_MAX : qRound(h * 36000);
     ct.ahsv.saturation = qRound(s * USHRT_MAX);
     ct.ahsv.value      = qRound(v * USHRT_MAX);
     ct.ahsv.pad        = 0;
@@ -740,7 +740,7 @@ void QColor::getHslF(qreal *h, qreal *s, qreal *l, qreal *a) const
         return;
     }
 
-    *h = ct.ahsl.hue == USHRT_MAX ? -1.0 : ct.ahsl.hue / 36000.0;
+    *h = ct.ahsl.hue == USHRT_MAX ? qreal(-1.0) : ct.ahsl.hue / qreal(36000.0);
     *s = ct.ahsl.saturation / qreal(USHRT_MAX);
     *l = ct.ahsl.lightness / qreal(USHRT_MAX);
 
@@ -790,17 +790,17 @@ void QColor::getHsl(int *h, int *s, int *l, int *a) const
 */
 void QColor::setHslF(qreal h, qreal s, qreal l, qreal a)
 {
-    if (((h < 0.0 || h > 1.0) && h != -1.0)
-        || (s < 0.0 || s > 1.0)
-        || (l < 0.0 || l > 1.0)
-        || (a < 0.0 || a > 1.0)) {
+    if (((h < qreal(0.0) || h > qreal(1.0)) && h != qreal(-1.0))
+        || (s < qreal(0.0) || s > qreal(1.0))
+        || (l < qreal(0.0) || l > qreal(1.0))
+        || (a < qreal(0.0) || a > qreal(1.0))) {
         qWarning("QColor::setHsvF: HSV parameters out of range");
         return;
     }
 
     cspec = Hsl;
     ct.ahsl.alpha      = qRound(a * USHRT_MAX);
-    ct.ahsl.hue        = h == -1.0 ? USHRT_MAX : qRound(h * 36000);
+    ct.ahsl.hue        = h == qreal(-1.0) ? USHRT_MAX : qRound(h * 36000);
     ct.ahsl.saturation = qRound(s * USHRT_MAX);
     ct.ahsl.lightness  = qRound(l * USHRT_MAX);
     ct.ahsl.pad        = 0;
@@ -909,10 +909,10 @@ void QColor::getRgb(int *r, int *g, int *b, int *a) const
 */
 void QColor::setRgbF(qreal r, qreal g, qreal b, qreal a)
 {
-    if (r < 0.0 || r > 1.0
-        || g < 0.0 || g > 1.0
-        || b < 0.0 || b > 1.0
-        || a < 0.0 || a > 1.0) {
+    if (r < qreal(0.0) || r > qreal(1.0)
+        || g < qreal(0.0) || g > qreal(1.0)
+        || b < qreal(0.0) || b > qreal(1.0)
+        || a < qreal(0.0) || a > qreal(1.0)) {
         qWarning("QColor::setRgbF: RGB parameters out of range");
         invalidate();
         return;
@@ -1322,7 +1322,7 @@ qreal QColor::hsvHueF() const
 {
     if (cspec != Invalid && cspec != Hsv)
         return toHsv().hueF();
-    return ct.ahsv.hue == USHRT_MAX ? -1.0 : ct.ahsv.hue / 36000.0;
+    return ct.ahsv.hue == USHRT_MAX ? qreal(-1.0) : ct.ahsv.hue / qreal(36000.0);
 }
 
 /*!
@@ -1418,7 +1418,7 @@ qreal QColor::hslHueF() const
 {
     if (cspec != Invalid && cspec != Hsl)
         return toHsl().hslHueF();
-    return ct.ahsl.hue == USHRT_MAX ? -1.0 : ct.ahsl.hue / 36000.0;
+    return ct.ahsl.hue == USHRT_MAX ? qreal(-1.0) : ct.ahsl.hue / qreal(36000.0);
 }
 
 /*!
@@ -1584,10 +1584,10 @@ QColor QColor::toRgb() const
             const qreal v = ct.ahsv.value / qreal(USHRT_MAX);
             const int i = int(h);
             const qreal f = h - i;
-            const qreal p = v * (1.0 - s);
+            const qreal p = v * (qreal(1.0) - s);
 
             if (i & 1) {
-                const qreal q = v * (1.0 - (s * f));
+                const qreal q = v * (qreal(1.0) - (s * f));
 
                 switch (i) {
                 case 1:
@@ -1607,7 +1607,7 @@ QColor QColor::toRgb() const
                     break;
                 }
             } else {
-                const qreal t = v * (1.0 - (s * (1.0 - f)));
+                const qreal t = v * (qreal(1.0) - (s * (qreal(1.0) - f)));
 
                 switch (i) {
                 case 0:
@@ -1683,9 +1683,9 @@ QColor QColor::toRgb() const
             const qreal y = ct.acmyk.yellow / qreal(USHRT_MAX);
             const qreal k = ct.acmyk.black / qreal(USHRT_MAX);
 
-            color.ct.argb.red   = qRound((1.0 - (c * (1.0 - k) + k)) * USHRT_MAX);
-            color.ct.argb.green = qRound((1.0 - (m * (1.0 - k) + k)) * USHRT_MAX);
-            color.ct.argb.blue  = qRound((1.0 - (y * (1.0 - k) + k)) * USHRT_MAX);
+            color.ct.argb.red   = qRound((qreal(1.0) - (c * (qreal(1.0) - k) + k)) * USHRT_MAX);
+            color.ct.argb.green = qRound((qreal(1.0) - (m * (qreal(1.0) - k) + k)) * USHRT_MAX);
+            color.ct.argb.blue  = qRound((qreal(1.0) - (y * (qreal(1.0) - k) + k)) * USHRT_MAX);
             break;
         }
     default:
@@ -1737,15 +1737,15 @@ QColor QColor::toHsv() const
         if (qFuzzyCompare(r, max)) {
             hue = ((g - b) /delta);
         } else if (qFuzzyCompare(g, max)) {
-            hue = (2.0 + (b - r) / delta);
+            hue = (qreal(2.0) + (b - r) / delta);
         } else if (qFuzzyCompare(b, max)) {
-            hue = (4.0 + (r - g) / delta);
+            hue = (qreal(4.0) + (r - g) / delta);
         } else {
             Q_ASSERT_X(false, "QColor::toHsv", "internal error");
         }
-        hue *= 60.0;
-        if (hue < 0.0)
-            hue += 360.0;
+        hue *= qreal(60.0);
+        if (hue < qreal(0.0))
+            hue += qreal(360.0);
         color.ct.ahsv.hue = qRound(hue * 100);
     }
 
@@ -1793,15 +1793,15 @@ QColor QColor::toHsl() const
         if (qFuzzyCompare(r, max)) {
             hue = ((g - b) /delta);
         } else if (qFuzzyCompare(g, max)) {
-            hue = (2.0 + (b - r) / delta);
+            hue = (qreal(2.0) + (b - r) / delta);
         } else if (qFuzzyCompare(b, max)) {
-            hue = (4.0 + (r - g) / delta);
+            hue = (qreal(4.0) + (r - g) / delta);
         } else {
             Q_ASSERT_X(false, "QColor::toHsv", "internal error");
         }
-        hue *= 60.0;
-        if (hue < 0.0)
-            hue += 360.0;
+        hue *= qreal(60.0);
+        if (hue < qreal(0.0))
+            hue += qreal(360.0);
         color.ct.ahsl.hue = qRound(hue * 100);
     }
 
@@ -1829,17 +1829,17 @@ QColor QColor::toCmyk() const
     const qreal r = ct.argb.red   / qreal(USHRT_MAX);
     const qreal g = ct.argb.green / qreal(USHRT_MAX);
     const qreal b = ct.argb.blue  / qreal(USHRT_MAX);
-    qreal c = 1.0 - r;
-    qreal m = 1.0 - g;
-    qreal y = 1.0 - b;
+    qreal c = qreal(1.0) - r;
+    qreal m = qreal(1.0) - g;
+    qreal y = qreal(1.0) - b;
 
     // cmy -> cmyk
     const qreal k = qMin(c, qMin(m, y));
 
     if (!qFuzzyIsNull(k - 1)) {
-        c = (c - k) / (1.0 - k);
-        m = (m - k) / (1.0 - k);
-        y = (y - k) / (1.0 - k);
+        c = (c - k) / (qreal(1.0) - k);
+        m = (m - k) / (qreal(1.0) - k);
+        y = (y - k) / (qreal(1.0) - k);
     }
 
     color.ct.acmyk.cyan    = qRound(c * USHRT_MAX);
@@ -1942,10 +1942,10 @@ QColor QColor::fromRgb(int r, int g, int b, int a)
 */
 QColor QColor::fromRgbF(qreal r, qreal g, qreal b, qreal a)
 {
-    if (r < 0.0 || r > 1.0
-        || g < 0.0 || g > 1.0
-        || b < 0.0 || b > 1.0
-        || a < 0.0 || a > 1.0) {
+    if (r < qreal(0.0) || r > qreal(1.0)
+        || g < qreal(0.0) || g > qreal(1.0)
+        || b < qreal(0.0) || b > qreal(1.0)
+        || a < qreal(0.0) || a > qreal(1.0)) {
         qWarning("QColor::fromRgbF: RGB parameters out of range");
         return QColor();
     }
@@ -2005,10 +2005,10 @@ QColor QColor::fromHsv(int h, int s, int v, int a)
 */
 QColor QColor::fromHsvF(qreal h, qreal s, qreal v, qreal a)
 {
-    if (((h < 0.0 || h > 1.0) && h != -1.0)
-        || (s < 0.0 || s > 1.0)
-        || (v < 0.0 || v > 1.0)
-        || (a < 0.0 || a > 1.0)) {
+    if (((h < qreal(0.0) || h > qreal(1.0)) && h != qreal(-1.0))
+        || (s < qreal(0.0) || s > qreal(1.0))
+        || (v < qreal(0.0) || v > qreal(1.0))
+        || (a < qreal(0.0) || a > qreal(1.0))) {
         qWarning("QColor::fromHsvF: HSV parameters out of range");
         return QColor();
     }
@@ -2016,7 +2016,7 @@ QColor QColor::fromHsvF(qreal h, qreal s, qreal v, qreal a)
     QColor color;
     color.cspec = Hsv;
     color.ct.ahsv.alpha      = qRound(a * USHRT_MAX);
-    color.ct.ahsv.hue        = h == -1.0 ? USHRT_MAX : qRound(h * 36000);
+    color.ct.ahsv.hue        = h == qreal(-1.0) ? USHRT_MAX : qRound(h * 36000);
     color.ct.ahsv.saturation = qRound(s * USHRT_MAX);
     color.ct.ahsv.value      = qRound(v * USHRT_MAX);
     color.ct.ahsv.pad        = 0;
@@ -2069,10 +2069,10 @@ QColor QColor::fromHsl(int h, int s, int l, int a)
 */
 QColor QColor::fromHslF(qreal h, qreal s, qreal l, qreal a)
 {
-    if (((h < 0.0 || h > 1.0) && h != -1.0)
-        || (s < 0.0 || s > 1.0)
-        || (l < 0.0 || l > 1.0)
-        || (a < 0.0 || a > 1.0)) {
+    if (((h < qreal(0.0) || h > qreal(1.0)) && h != qreal(-1.0))
+        || (s < qreal(0.0) || s > qreal(1.0))
+        || (l < qreal(0.0) || l > qreal(1.0))
+        || (a < qreal(0.0) || a > qreal(1.0))) {
         qWarning("QColor::fromHsvF: HSV parameters out of range");
         return QColor();
     }
@@ -2080,7 +2080,7 @@ QColor QColor::fromHslF(qreal h, qreal s, qreal l, qreal a)
     QColor color;
     color.cspec = Hsl;
     color.ct.ahsl.alpha      = qRound(a * USHRT_MAX);
-    color.ct.ahsl.hue        = (h == -1.0) ? USHRT_MAX : qRound(h * 36000);
+    color.ct.ahsl.hue        = (h == qreal(-1.0)) ? USHRT_MAX : qRound(h * 36000);
     if (color.ct.ahsl.hue == 36000)
         color.ct.ahsl.hue = 0;
     color.ct.ahsl.saturation = qRound(s * USHRT_MAX);
@@ -2189,11 +2189,11 @@ void QColor::setCmyk(int c, int m, int y, int k, int a)
 */
 void QColor::setCmykF(qreal c, qreal m, qreal y, qreal k, qreal a)
 {
-    if (c < 0.0 || c > 1.0
-        || m < 0.0 || m > 1.0
-        || y < 0.0 || y > 1.0
-        || k < 0.0 || k > 1.0
-        || a < 0.0 || a > 1.0) {
+    if (c < qreal(0.0) || c > qreal(1.0)
+        || m < qreal(0.0) || m > qreal(1.0)
+        || y < qreal(0.0) || y > qreal(1.0)
+        || k < qreal(0.0) || k > qreal(1.0)
+        || a < qreal(0.0) || a > qreal(1.0)) {
         qWarning("QColor::setCmykF: CMYK parameters out of range");
         return;
     }
@@ -2251,11 +2251,11 @@ QColor QColor::fromCmyk(int c, int m, int y, int k, int a)
 */
 QColor QColor::fromCmykF(qreal c, qreal m, qreal y, qreal k, qreal a)
 {
-    if (c < 0.0 || c > 1.0
-        || m < 0.0 || m > 1.0
-        || y < 0.0 || y > 1.0
-        || k < 0.0 || k > 1.0
-        || a < 0.0 || a > 1.0) {
+    if (c < qreal(0.0) || c > qreal(1.0)
+        || m < qreal(0.0) || m > qreal(1.0)
+        || y < qreal(0.0) || y > qreal(1.0)
+        || k < qreal(0.0) || k > qreal(1.0)
+        || a < qreal(0.0) || a > qreal(1.0)) {
         qWarning("QColor::fromCmykF: CMYK parameters out of range");
         return QColor();
     }
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 5904296..5e75e4a 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -570,8 +570,8 @@ const uint * QT_FASTCALL fetchTransformed(uint *buffer, const Operator *, const
     int image_width = data->texture.width;
     int image_height = data->texture.height;
 
-    const qreal cx = x + 0.5;
-    const qreal cy = y + 0.5;
+    const qreal cx = x + qreal(0.5);
+    const qreal cy = y + qreal(0.5);
 
     const uint *end = buffer + length;
     uint *b = buffer;
@@ -792,8 +792,8 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
     int image_x2 = data->texture.x2 - 1;
     int image_y2 = data->texture.y2 - 1;
 
-    const qreal cx = x + 0.5;
-    const qreal cy = y + 0.5;
+    const qreal cx = x + qreal(0.5);
+    const qreal cy = y + qreal(0.5);
 
     uint *end = buffer + length;
     uint *b = buffer;
@@ -1188,8 +1188,8 @@ const uint * QT_FASTCALL fetchTransformedBilinear(uint *buffer, const Operator *
 
         while (b < end) {
             const qreal iw = fw == 0 ? 1 : 1 / fw;
-            const qreal px = fx * iw - 0.5;
-            const qreal py = fy * iw - 0.5;
+            const qreal px = fx * iw - qreal(0.5);
+            const qreal py = fy * iw - qreal(0.5);
 
             int x1 = int(px) - (px < 0);
             int x2;
@@ -1349,7 +1349,7 @@ static const SourceFetchProc sourceFetch[NBlendTypes][QImage::NImageFormats] = {
 
 static inline uint qt_gradient_pixel(const QGradientData *data, qreal pos)
 {
-    int ipos = int(pos * (GRADIENT_STOPTABLE_SIZE - 1) + 0.5);
+    int ipos = int(pos * (GRADIENT_STOPTABLE_SIZE - 1) + qreal(0.5));
 
   // calculate the actual offset.
     if (ipos < 0 || ipos >= GRADIENT_STOPTABLE_SIZE) {
@@ -1430,8 +1430,8 @@ static const uint * QT_FASTCALL fetchLinearGradient(uint *buffer, const Operator
     if (op->linear.l == 0) {
         t = inc = 0;
     } else {
-        rx = data->m21 * (y + 0.5) + data->m11 * (x + 0.5) + data->dx;
-        ry = data->m22 * (y + 0.5) + data->m12 * (x + 0.5) + data->dy;
+        rx = data->m21 * (y + qreal(0.5)) + data->m11 * (x + qreal(0.5)) + data->dx;
+        ry = data->m22 * (y + qreal(0.5)) + data->m12 * (x + qreal(0.5)) + data->dy;
         t = op->linear.dx*rx + op->linear.dy*ry + op->linear.off;
         inc = op->linear.dx * data->m11 + op->linear.dy * data->m12;
         affine = !data->m13 && !data->m23;
@@ -1444,7 +1444,7 @@ static const uint * QT_FASTCALL fetchLinearGradient(uint *buffer, const Operator
 
     const uint *end = buffer + length;
     if (affine) {
-        if (inc > -1e-5 && inc < 1e-5) {
+        if (inc > qreal(-1e-5) && inc < qreal(1e-5)) {
             QT_MEMFILL_UINT(buffer, length, qt_gradient_pixel_fixed(&data->gradient, int(t * FIXPT_SIZE)));
         } else {
             if (t+inc*length < qreal(INT_MAX >> (FIXPT_BITS + 1)) &&
@@ -1467,7 +1467,7 @@ static const uint * QT_FASTCALL fetchLinearGradient(uint *buffer, const Operator
             }
         }
     } else { // fall back to float math here as well
-        qreal rw = data->m23 * (y + 0.5) + data->m13 * (x + 0.5) + data->m33;
+        qreal rw = data->m23 * (y + qreal(0.5)) + data->m13 * (x + qreal(0.5)) + data->m33;
         while (buffer < end) {
             qreal x = rx/rw;
             qreal y = ry/rw;
@@ -1514,10 +1514,10 @@ static const uint * QT_FASTCALL fetchRadialGradient(uint *buffer, const Operator
                                                     int y, int x, int length)
 {
     const uint *b = buffer;
-    qreal rx = data->m21 * (y + 0.5)
-               + data->dx + data->m11 * (x + 0.5);
-    qreal ry = data->m22 * (y + 0.5)
-               + data->dy + data->m12 * (x + 0.5);
+    qreal rx = data->m21 * (y + qreal(0.5))
+               + data->dx + data->m11 * (x + qreal(0.5));
+    qreal ry = data->m22 * (y + qreal(0.5))
+               + data->dy + data->m12 * (x + qreal(0.5));
     bool affine = !data->m13 && !data->m23;
     //qreal r  = data->gradient.radial.radius;
 
@@ -1563,8 +1563,8 @@ static const uint * QT_FASTCALL fetchRadialGradient(uint *buffer, const Operator
             ++buffer;
         }
     } else {
-        qreal rw = data->m23 * (y + 0.5)
-                   + data->m33 + data->m13 * (x + 0.5);
+        qreal rw = data->m23 * (y + qreal(0.5))
+                   + data->m33 + data->m13 * (x + qreal(0.5));
         if (!rw)
             rw = 1;
         while (buffer < end) {
@@ -1593,10 +1593,10 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato
                                                      int y, int x, int length)
 {
     const uint *b = buffer;
-    qreal rx = data->m21 * (y + 0.5)
-               + data->dx + data->m11 * (x + 0.5);
-    qreal ry = data->m22 * (y + 0.5)
-               + data->dy + data->m12 * (x + 0.5);
+    qreal rx = data->m21 * (y + qreal(0.5))
+               + data->dx + data->m11 * (x + qreal(0.5));
+    qreal ry = data->m22 * (y + qreal(0.5))
+               + data->dy + data->m12 * (x + qreal(0.5));
     bool affine = !data->m13 && !data->m23;
 
     const uint *end = buffer + length;
@@ -1613,8 +1613,8 @@ static const uint * QT_FASTCALL fetchConicalGradient(uint *buffer, const Operato
             ++buffer;
         }
     } else {
-        qreal rw = data->m23 * (y + 0.5)
-                   + data->m33 + data->m13 * (x + 0.5);
+        qreal rw = data->m23 * (y + qreal(0.5))
+                   + data->m33 + data->m13 * (x + qreal(0.5));
         if (!rw)
             rw = 1;
         while (buffer < end) {
@@ -2819,7 +2819,7 @@ static inline int soft_light_op(int dst, int src, int da, int sa)
 #   ifdef Q_CC_RVCT // needed to avoid compiler crash in RVCT 2.2
         return (dst * sa * 255 + da * (src2 - sa) * (qIntSqrtInt(dst_np * 255) - dst_np) + temp) / 65025;
 #   else
-        return (dst * sa * 255 + da * (src2 - sa) * (int(sqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
+        return (dst * sa * 255 + da * (src2 - sa) * (int(qSqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
 #   endif
     }
 }
@@ -5928,8 +5928,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *s
             uint *target = ((uint *)t) + spans->x;
             uint *image_bits = (uint *)data->texture.imageData;
 
-            const qreal cx = spans->x + 0.5;
-            const qreal cy = spans->y + 0.5;
+            const qreal cx = spans->x + qreal(0.5);
+            const qreal cy = spans->y + qreal(0.5);
 
             int x = int((data->m21 * cy
                          + data->m11 * cx + data->dx) * fixed_scale);
@@ -5976,8 +5976,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_argb(int count, const QSpan *s
             uint *target = ((uint *)t) + spans->x;
             uint *image_bits = (uint *)data->texture.imageData;
 
-            const qreal cx = spans->x + 0.5;
-            const qreal cy = spans->y + 0.5;
+            const qreal cx = spans->x + qreal(0.5);
+            const qreal cy = spans->y + qreal(0.5);
 
             qreal x = data->m21 * cy + data->m11 * cx + data->dx;
             qreal y = data->m22 * cy + data->m12 * cx + data->dy;
@@ -6328,8 +6328,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_tiled_argb(int count, const QS
             uint *target = ((uint *)t) + spans->x;
             uint *image_bits = (uint *)data->texture.imageData;
 
-            const qreal cx = spans->x + 0.5;
-            const qreal cy = spans->y + 0.5;
+            const qreal cx = spans->x + qreal(0.5);
+            const qreal cy = spans->y + qreal(0.5);
 
             int x = int((data->m21 * cy
                          + data->m11 * cx + data->dx) * fixed_scale);
@@ -6380,8 +6380,8 @@ Q_STATIC_TEMPLATE_FUNCTION void blend_transformed_tiled_argb(int count, const QS
             uint *target = ((uint *)t) + spans->x;
             uint *image_bits = (uint *)data->texture.imageData;
 
-            const qreal cx = spans->x + 0.5;
-            const qreal cy = spans->y + 0.5;
+            const qreal cx = spans->x + qreal(0.5);
+            const qreal cy = spans->y + qreal(0.5);
 
             qreal x = data->m21 * cy + data->m11 * cx + data->dx;
             qreal y = data->m22 * cy + data->m12 * cx + data->dy;
@@ -7067,7 +7067,7 @@ static void qt_gradient_quint32(int count, const QSpan *spans, void *userData)
          */
         const int gss = GRADIENT_STOPTABLE_SIZE - 1;
         int yinc = int((linear.dy * data->m22 * gss) * FIXPT_SIZE);
-        int off = int((((linear.dy * (data->m22 * 0.5 + data->dy) + linear.off) * gss) * FIXPT_SIZE));
+        int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE));
 
         while (count--) {
             int y = spans->y;
@@ -7115,7 +7115,7 @@ static void qt_gradient_quint16(int count, const QSpan *spans, void *userData)
          */
         const int gss = GRADIENT_STOPTABLE_SIZE - 1;
         int yinc = int((linear.dy * data->m22 * gss) * FIXPT_SIZE);
-        int off = int((((linear.dy * (data->m22 * 0.5 + data->dy) + linear.off) * gss) * FIXPT_SIZE));
+        int off = int((((linear.dy * (data->m22 * qreal(0.5) + data->dy) + linear.off) * gss) * FIXPT_SIZE));
 
         uint oldColor = data->solid.color;
         while (count--) {
@@ -7194,17 +7194,17 @@ void qt_build_pow_tables() {
 #ifdef Q_WS_MAC
     // decided by testing a few things on an iMac, should probably get this from the
     // system...
-    smoothing = 2.0;
+    smoothing = qreal(2.0);
 #endif
 
 #ifdef Q_WS_WIN
     int winSmooth;
     if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0))
-        smoothing = winSmooth / 1000.0;
+        smoothing = winSmooth / qreal(1000.0);
 
     // Safeguard ourselves against corrupt registry values...
     if (smoothing > 5 || smoothing < 1)
-        smoothing = 1.4;
+        smoothing = qreal(1.4);
 
 #endif
 
@@ -7226,7 +7226,7 @@ void qt_build_pow_tables() {
     for (int i=0; i<256; ++i)
         qt_pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047));
     for (int i=0; i<2048; ++i)
-        qt_pow_invgamma[i] = uchar(qRound(qPow(i / 2047.0, 1 / gray_gamma) * 255));
+        qt_pow_invgamma[i] = uchar(qRound(qPow(i / qreal(2047.0), 1 / gray_gamma) * 255));
 #endif
 }
 
diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp
index 00b103d..debca37 100644
--- a/src/gui/painting/qdrawhelper_neon.cpp
+++ b/src/gui/painting/qdrawhelper_neon.cpp
@@ -327,10 +327,8 @@ void qt_blend_argb32_on_rgb16_neon(uchar *destPixels, int dbpl,
 
                 blend_8_pixels_argb32_on_rgb16_neon(dstBuffer, srcBuffer, const_alpha);
 
-                for (int j = 0; j < tail; ++j) {
+                for (int j = 0; j < tail; ++j)
                     dst[i + j] = dstBuffer[j];
-                    src[i + j] = srcBuffer[j];
-                }
             }
 
             dst = (quint16 *)(((uchar *) dst) + dbpl);
diff --git a/src/gui/painting/qpaintbuffer.cpp b/src/gui/painting/qpaintbuffer.cpp
index fac356c..dd4b3db 100644
--- a/src/gui/painting/qpaintbuffer.cpp
+++ b/src/gui/painting/qpaintbuffer.cpp
@@ -54,8 +54,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
 extern void qt_format_text(const QFont &font,
                            const QRectF &_r, int tf, const QTextOption *option, const QString& str, QRectF *brect,
                            int tabstops, int* tabarray, int tabarraylen,
diff --git a/src/gui/painting/qpaintengine_alpha.cpp b/src/gui/painting/qpaintengine_alpha.cpp
index 339a002..171850d 100644
--- a/src/gui/painting/qpaintengine_alpha.cpp
+++ b/src/gui/painting/qpaintengine_alpha.cpp
@@ -46,6 +46,7 @@
 #include "private/qpaintengine_alpha_p.h"
 
 #include "private/qpicture_p.h"
+#include "private/qfont_p.h"
 #include "QtGui/qpicture.h"
 
 QT_BEGIN_NAMESPACE
@@ -93,9 +94,6 @@ bool QAlphaPaintEngine::begin(QPaintDevice *pdev)
     return true;
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
-
 bool QAlphaPaintEngine::end()
 {
     Q_D(QAlphaPaintEngine);
diff --git a/src/gui/painting/qpaintengine_mac_p.h b/src/gui/painting/qpaintengine_mac_p.h
index 5c459ee..3e71d6c 100644
--- a/src/gui/painting/qpaintengine_mac_p.h
+++ b/src/gui/painting/qpaintengine_mac_p.h
@@ -57,15 +57,12 @@
 #include "private/qt_mac_p.h"
 #include "private/qpaintengine_p.h"
 #include "private/qpolygonclipper_p.h"
+#include "private/qfont_p.h"
 #include "QtCore/qhash.h"
 
 typedef struct CGColorSpace *CGColorSpaceRef;
 QT_BEGIN_NAMESPACE
 
-extern int qt_defaultDpi();
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
-
 class QCoreGraphicsPaintEnginePrivate;
 class QCoreGraphicsPaintEngine : public QPaintEngine
 {
diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp
index bc30038..0271a39 100644
--- a/src/gui/painting/qpdf.cpp
+++ b/src/gui/painting/qpdf.cpp
@@ -47,6 +47,7 @@
 #include "private/qcups_p.h"
 #include "qprinterinfo.h"
 #include <qnumeric.h>
+#include "private/qfont_p.h"
 
 #ifdef Q_OS_UNIX
 #include "private/qcore_unix_p.h" // overrides QT_OPEN
@@ -54,8 +55,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GUI_EXPORT extern int qt_defaultDpi();
-
 #ifndef QT_NO_PRINTER
 
 extern QSizeF qt_paperSizeToQSizeF(QPrinter::PaperSize size);
diff --git a/src/gui/painting/qprintengine_mac.mm b/src/gui/painting/qprintengine_mac.mm
index ec842a9..1dce303 100644
--- a/src/gui/painting/qprintengine_mac.mm
+++ b/src/gui/painting/qprintengine_mac.mm
@@ -49,7 +49,6 @@
 QT_BEGIN_NAMESPACE
 
 extern QSizeF qt_paperSizeToQSizeF(QPrinter::PaperSize size);
-extern int qt_defaultDpi();
 
 QMacPrintEngine::QMacPrintEngine(QPrinter::PrinterMode mode) : QPaintEngine(*(new QMacPrintEnginePrivate))
 {
diff --git a/src/gui/painting/qtextureglyphcache.cpp b/src/gui/painting/qtextureglyphcache.cpp
index 727852d..53f025f 100644
--- a/src/gui/painting/qtextureglyphcache.cpp
+++ b/src/gui/painting/qtextureglyphcache.cpp
@@ -168,7 +168,7 @@ bool QTextureGlyphCache::populate(QFontEngine *fontEngine, int numGlyphs, const
             continue;
         if (listItemCoordinates.contains(GlyphAndSubPixelPosition(glyph, subPixelPosition)))
             continue;
-        glyph_metrics_t metrics = fontEngine->alphaMapBoundingBox(glyph, m_transform, format);
+        glyph_metrics_t metrics = fontEngine->alphaMapBoundingBox(glyph, subPixelPosition, m_transform, format);
 
 #ifdef CACHE_DEBUG
         printf("(%4x): w=%.2f, h=%.2f, xoff=%.2f, yoff=%.2f, x=%.2f, y=%.2f\n",
diff --git a/src/gui/s60framework/qs60mainappui.cpp b/src/gui/s60framework/qs60mainappui.cpp
index 0c99f80..f591fcb 100644
--- a/src/gui/s60framework/qs60mainappui.cpp
+++ b/src/gui/s60framework/qs60mainappui.cpp
@@ -62,6 +62,7 @@
 
 //Animated wallpapers in Qt applications are not supported.
 const TInt KAknDisableAnimationBackground = 0x02000000;
+const TInt KAknSingleClickCompatible = 0x01000000;
 
 QT_BEGIN_NAMESPACE
 
@@ -118,8 +119,12 @@ void QS60MainAppUi::ConstructL()
     // After 5th Edition S60, native side supports animated wallpapers.
     // However, there is no support for that feature on Qt side, so indicate to
     // native UI framework that this application will not support background animations.
-    if (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0)
-        flags |= KAknDisableAnimationBackground;
+
+    // Also, add support for single touch for post 5th edition platforms.
+    // This has only impact when launching native dialogs/menus from inside QApplication.
+    if (QSysInfo::s60Version() > QSysInfo::SV_S60_5_0) {
+        flags |= (KAknDisableAnimationBackground | KAknSingleClickCompatible);
+    }
 #endif
     BaseConstructL(flags);
 }
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index fbba09d..680e007 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -77,14 +77,12 @@
 #include "private/qcombobox_p.h"
 #include "private/qwidget_p.h"
 #include "private/qapplication_p.h"
+#include "private/qfont_p.h"
 
 #if !defined(QT_NO_STYLE_S60) || defined(QT_PLUGIN)
 
 QT_BEGIN_NAMESPACE
 
-// from text/qfont.cpp
-extern Q_GUI_EXPORT int qt_defaultDpiY();
-
 const QS60StylePrivate::SkinElementFlags QS60StylePrivate::KDefaultSkinElementFlags =
     SkinElementFlags(SF_PointNorth | SF_StateEnabled);
 
diff --git a/src/gui/text/qfont_p.h b/src/gui/text/qfont_p.h
index c1a5048..43dca81 100644
--- a/src/gui/text/qfont_p.h
+++ b/src/gui/text/qfont_p.h
@@ -281,6 +281,10 @@ public:
     int timer_id;
 };
 
+Q_GUI_EXPORT int qt_defaultDpiX();
+Q_GUI_EXPORT int qt_defaultDpiY();
+Q_GUI_EXPORT int qt_defaultDpi();
+
 QT_END_NAMESPACE
 
 #endif // QFONT_P_H
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index cbe0423..94f21b8 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -89,8 +89,6 @@ QT_BEGIN_NAMESPACE
 
 #define SMOOTH_SCALABLE 0xffff
 
-Q_GUI_EXPORT extern int qt_defaultDpiY(); // in qfont.cpp
-
 bool qt_enable_test_font = false;
 
 Q_AUTOTEST_EXPORT void qt_setQtEnableTestFont(bool value)
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index 08eb6bb..ffdaaa7 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -791,106 +791,6 @@ int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
     return load_flags;
 }
 
-QFontEngineFT::Glyph *QFontEngineFT::loadGlyphMetrics(QGlyphSet *set, uint glyph, GlyphFormat format) const
-{
-    Glyph *g = set->getGlyph(glyph);
-    if (g && g->format == format)
-        return g;
-
-    bool hsubpixel = false;
-    int vfactor = 1;
-    int load_flags = loadFlags(set, format, 0, hsubpixel, vfactor);
-
-    // apply our matrix to this, but note that the metrics will not be affected by this.
-    FT_Face face = lockFace();
-    FT_Matrix matrix = this->matrix;
-    FT_Matrix_Multiply(&set->transformationMatrix, &matrix);
-    FT_Set_Transform(face, &matrix, 0);
-    freetype->matrix = matrix;
-
-    bool transform = matrix.xx != 0x10000 || matrix.yy != 0x10000 || matrix.xy != 0 || matrix.yx != 0;
-    if (transform)
-        load_flags |= FT_LOAD_NO_BITMAP;
-
-    FT_Error err = FT_Load_Glyph(face, glyph, load_flags);
-    if (err && (load_flags & FT_LOAD_NO_BITMAP)) {
-        load_flags &= ~FT_LOAD_NO_BITMAP;
-        err = FT_Load_Glyph(face, glyph, load_flags);
-    }
-    if (err == FT_Err_Too_Few_Arguments) {
-        // this is an error in the bytecode interpreter, just try to run without it
-        load_flags |= FT_LOAD_FORCE_AUTOHINT;
-        err = FT_Load_Glyph(face, glyph, load_flags);
-    }
-    if (err != FT_Err_Ok)
-        qWarning("load glyph failed err=%x face=%p, glyph=%d", err, face, glyph);
-
-    unlockFace();
-    if (set->outline_drawing)
-        return 0;
-
-    if (!g) {
-        g = new Glyph;
-        g->uploadedToServer = false;
-        g->data = 0;
-    }
-
-    FT_GlyphSlot slot = face->glyph;
-    if (embolden) Q_FT_GLYPHSLOT_EMBOLDEN(slot);
-    int left  = slot->metrics.horiBearingX;
-    int right = slot->metrics.horiBearingX + slot->metrics.width;
-    int top    = slot->metrics.horiBearingY;
-    int bottom = slot->metrics.horiBearingY - slot->metrics.height;
-    if(transform && slot->format != FT_GLYPH_FORMAT_BITMAP) { // freetype doesn't apply the transformation on the metrics
-        int l, r, t, b;
-        FT_Vector vector;
-        vector.x = left;
-        vector.y = top;
-        FT_Vector_Transform(&vector, &matrix);
-        l = r = vector.x;
-        t = b = vector.y;
-        vector.x = right;
-        vector.y = top;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        vector.x = right;
-        vector.y = bottom;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        vector.x = left;
-        vector.y = bottom;
-        FT_Vector_Transform(&vector, &matrix);
-        if (l > vector.x) l = vector.x;
-        if (r < vector.x) r = vector.x;
-        if (t < vector.y) t = vector.y;
-        if (b > vector.y) b = vector.y;
-        left = l;
-        right = r;
-        top = t;
-        bottom = b;
-    }
-    left = FLOOR(left);
-    right = CEIL(right);
-    bottom = FLOOR(bottom);
-    top = CEIL(top);
-
-    g->linearAdvance = face->glyph->linearHoriAdvance >> 10;
-    g->width = TRUNC(right-left);
-    g->height = TRUNC(top-bottom);
-    g->x = TRUNC(left);
-    g->y = TRUNC(top);
-    g->advance = TRUNC(ROUND(face->glyph->advance.x));
-    g->format = Format_None;
-
-    return g;
-}
-
 QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
                                                QFixed subPixelPosition,
                                                GlyphFormat format,
@@ -1792,10 +1692,10 @@ glyph_metrics_t QFontEngineFT::boundingBox(glyph_t glyph)
 
 glyph_metrics_t QFontEngineFT::boundingBox(glyph_t glyph, const QTransform &matrix)
 {
-    return alphaMapBoundingBox(glyph, matrix, QFontEngine::Format_None);
+    return alphaMapBoundingBox(glyph, 0, matrix, QFontEngine::Format_None);
 }
 
-glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, const QTransform &matrix, QFontEngine::GlyphFormat format)
+glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, QFixed subPixelPosition, const QTransform &matrix, QFontEngine::GlyphFormat format)
 {
     FT_Face face = 0;
     glyph_metrics_t overall;
@@ -1842,7 +1742,10 @@ glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, const QTransfo
     Glyph * g = glyphSet->getGlyph(glyph);
     if (!g || g->format != format) {
         face = lockFace();
-        g = loadGlyphMetrics(glyphSet, glyph, format);
+        FT_Matrix m = this->matrix;
+        FT_Matrix_Multiply(&glyphSet->transformationMatrix, &m);
+        freetype->matrix = m;
+        g = loadGlyph(glyphSet, glyph, subPixelPosition, format);
     }
 
     if (g) {
diff --git a/src/gui/text/qfontengine_ft_p.h b/src/gui/text/qfontengine_ft_p.h
index fc3ac82..451d26e 100644
--- a/src/gui/text/qfontengine_ft_p.h
+++ b/src/gui/text/qfontengine_ft_p.h
@@ -257,7 +257,9 @@ private:
     virtual QImage alphaMapForGlyph(glyph_t g) { return alphaMapForGlyph(g, 0); }
     virtual QImage alphaMapForGlyph(glyph_t, QFixed);
     virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t);
-    virtual glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, const QTransform &matrix,
+    virtual glyph_metrics_t alphaMapBoundingBox(glyph_t glyph,
+                                                QFixed subPixelPosition,
+                                                const QTransform &matrix,
                                                 QFontEngine::GlyphFormat format);
     virtual void removeGlyphFromCache(glyph_t glyph);
 
@@ -333,7 +335,6 @@ protected:
     bool embeddedbitmap;
 
 private:
-    QFontEngineFT::Glyph *loadGlyphMetrics(QGlyphSet *set, uint glyph, GlyphFormat format) const;
     int loadFlags(QGlyphSet *set, GlyphFormat format, int flags, bool &hsubpixel, int &vfactor) const;
 
     GlyphFormat defaultFormat;
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index f501141..7b29993 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -203,7 +203,7 @@ public:
     virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t);
     virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t);
 
-    virtual glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, const QTransform &matrix, GlyphFormat /*format*/)
+    virtual glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, QFixed /*subPixelPosition*/, const QTransform &matrix, GlyphFormat /*format*/)
     {
         return boundingBox(glyph, matrix);
     }
diff --git a/src/gui/text/qfontmetrics.cpp b/src/gui/text/qfontmetrics.cpp
index 5cd85fb..2ec245e 100644
--- a/src/gui/text/qfontmetrics.cpp
+++ b/src/gui/text/qfontmetrics.cpp
@@ -63,7 +63,6 @@ extern void qt_format_text(const QFont& font, const QRectF &_r,
                            int tf, const QString &text, QRectF *brect,
                            int tabStops, int *tabArray, int tabArrayLen,
                            QPainter *painter);
-Q_GUI_EXPORT extern int qt_defaultDpi();
 
 /*****************************************************************************
   QFontMetrics member functions
diff --git a/src/gui/text/qstatictext.cpp b/src/gui/text/qstatictext.cpp
index 452b60a..1cfb4b6 100644
--- a/src/gui/text/qstatictext.cpp
+++ b/src/gui/text/qstatictext.cpp
@@ -420,9 +420,6 @@ QStaticTextPrivate *QStaticTextPrivate::get(const QStaticText *q)
     return q->data.data();
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiX();
-Q_GUI_EXPORT extern int qt_defaultDpiY();
-
 namespace {
 
     class DrawTextItemRecorder: public QPaintEngine
diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index be67279..6dbd755 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -60,6 +60,7 @@
 #include <qdir.h>
 #include <qapplication.h>
 #include "qtextcontrol_p.h"
+#include "qfont_p.h"
 #include "private/qtextedit_p.h"
 #include "private/qdataurl_p.h"
 
@@ -1671,8 +1672,6 @@ static void printPage(int index, QPainter *painter, const QTextDocument *doc, co
     painter->restore();
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpi();
-
 /*!
     Prints the document to the given \a printer. The QPrinter must be
     set up before being used with this function.
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index 684de00..ce157be 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -75,8 +75,6 @@
 
 QT_BEGIN_NAMESPACE
 
-Q_GUI_EXPORT extern int qt_defaultDpi();
-
 // ################ should probably add frameFormatChange notification!
 
 struct QTextLayoutStruct;
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 6aa333c..08d0eca 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -856,8 +856,6 @@ void QTextEngine::shapeLine(const QScriptLine &line)
     }
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiY(); // in qfont.cpp
-
 void QTextEngine::shapeText(int item) const
 {
     Q_ASSERT(item < layoutData->items.size());
@@ -2611,8 +2609,6 @@ void QTextEngine::splitItem(int item, int pos) const
 //     qDebug("split at position %d itempos=%d", pos, item);
 }
 
-Q_GUI_EXPORT extern int qt_defaultDpiY();
-
 QFixed QTextEngine::calculateTabWidth(int item, QFixed x) const
 {
     const QScriptItem &si = layoutData->items[item];
diff --git a/src/gui/text/qtextimagehandler.cpp b/src/gui/text/qtextimagehandler.cpp
index a6d085a..bbff79c 100644
--- a/src/gui/text/qtextimagehandler.cpp
+++ b/src/gui/text/qtextimagehandler.cpp
@@ -123,7 +123,6 @@ static QSize getPixmapSize(QTextDocument *doc, const QTextImageFormat &format)
     qreal scale = 1.0;
     QPaintDevice *pdev = doc->documentLayout()->paintDevice();
     if (pdev) {
-        Q_GUI_EXPORT extern int qt_defaultDpi();
         if (pm.isNull())
             pm = getPixmap(doc, format);
         if (!pm.isNull())
@@ -191,7 +190,6 @@ static QSize getImageSize(QTextDocument *doc, const QTextImageFormat &format)
     qreal scale = 1.0;
     QPaintDevice *pdev = doc->documentLayout()->paintDevice();
     if (pdev) {
-        extern int qt_defaultDpi();
         if (image.isNull())
             image = getImage(doc, format);
         if (!image.isNull())
diff --git a/src/gui/widgets/qcombobox.cpp b/src/gui/widgets/qcombobox.cpp
index 5f00afa..dd1ad9c 100644
--- a/src/gui/widgets/qcombobox.cpp
+++ b/src/gui/widgets/qcombobox.cpp
@@ -399,7 +399,7 @@ void QComboBoxPrivateContainer::leaveEvent(QEvent *)
 #ifdef Q_WS_MAC
     QStyleOptionComboBox opt = comboStyleOption();
     if (combo->style()->styleHint(QStyle::SH_ComboBox_Popup, &opt, combo))
-        view->setCurrentIndex(QModelIndex());
+          view->clearSelection();
 #endif
 }
 
@@ -672,8 +672,8 @@ bool QComboBoxPrivateContainer::eventFilter(QObject *o, QEvent *e)
             if (vector.manhattanLength() > 9 && blockMouseReleaseTimer.isActive())
                 blockMouseReleaseTimer.stop();
             QModelIndex indexUnderMouse = view->indexAt(m->pos());
-            if (indexUnderMouse.isValid() && indexUnderMouse != view->currentIndex()
-                    && !QComboBoxDelegate::isSeparator(indexUnderMouse)) {
+            if (indexUnderMouse.isValid()
+                     && !QComboBoxDelegate::isSeparator(indexUnderMouse)) {
                 view->setCurrentIndex(indexUnderMouse);
             }
         }