Merge branch 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration into master-integration

* 'qt-master-from-4.7' of scm.dev.nokia.troll.no:qt/qt-integration: (72 commits)
  Fix opening a network session multiple times in succession.
  Fix synchronous dispatch in ICD in non-main threads.
  Russian translation update
  QNAM HTTP: Download last chunk properly when readBufferSize() limited
  Remove code changes that were NOT intended as part of the fix
  Prevent access to non-existent memory in QGL2PEXVertexArray
  Wordwrap QInputDialog label in Symbian
  Prevent excessive seeks in xbm detection
  Use qtmain.lib to provide entry point for all Symbian applications
  Give the toplevel widget a layout
  Doc: Correcting character escape bug
  fix tests when using Qt in a namespace
  Fix tst_symbols auto test
  Doc: Clarified the lifetime of the session bus connection.
  Doc: Added a snippet showing the default BorderImage tiling behavior.
  Doc: using pointer member variables and language change
  Doc: Added more instructions to help with device file permissions.
  Doc: Mentioned default values for the BorderImage tile modes.
  Document the difference between +0.0 and -0.0 for QPointF and QSizeF.
  trivial: fix build
  ...

7 files changed, 55 insertions, 29 deletions

diff --git a/src/gui/dialogs/qinputdialog.cpp b/src/gui/dialogs/qinputdialog.cpp
index 778e796..9e4b9b6 100644
--- a/src/gui/dialogs/qinputdialog.cpp
+++ b/src/gui/dialogs/qinputdialog.cpp
@@ -561,6 +561,9 @@ void QInputDialog::setLabelText(const QString &text)
     } else {
         d->label->setText(text);
     }
+#ifdef Q_OS_SYMBIAN
+    d->label->setWordWrap(true);
+#endif
 }
 
 QString QInputDialog::labelText() const
diff --git a/src/gui/image/qxbmhandler.cpp b/src/gui/image/qxbmhandler.cpp
index 0dd4e99..f9c2e0c 100644
--- a/src/gui/image/qxbmhandler.cpp
+++ b/src/gui/image/qxbmhandler.cpp
@@ -66,27 +66,36 @@ static inline int hex2byte(register char *p)
 static bool read_xbm_header(QIODevice *device, int& w, int& h)
 {
     const int buflen = 300;
+    const int maxlen = 4096;
     char buf[buflen + 1];
     QRegExp r1(QLatin1String("^#define[ \t]+[a-zA-Z0-9._]+[ \t]+"));
     QRegExp r2(QLatin1String("[0-9]+"));
 
     qint64 readBytes = 0;
+    qint64 totalReadBytes = 0;
 
-    // "#define .._width <num>"
-    readBytes = device->readLine(buf, buflen);
-    if (readBytes <= 0)
-	return false;
-    buf[readBytes - 1] = '\0';
+    buf[0] = '\0';
 
     // skip initial comment, if any
-    while (buf[0] != '#' && (readBytes = device->readLine( buf, buflen )) > 0) {}
+    while (buf[0] != '#') {
+        readBytes = device->readLine(buf, buflen);
+
+        // if readBytes >= buflen, it's very probably not a C file
+        if (readBytes <= 0 || readBytes >= buflen -1)
+            return false;
+
+        // limit xbm headers to the first 4k in the file to prevent
+        // excessive reads on non-xbm files
+        totalReadBytes += readBytes;
+        if (totalReadBytes >= maxlen)
+            return false;
+    }
 
-    if (readBytes <= 0)
-	return false;
     buf[readBytes - 1] = '\0';
     QString sbuf;
     sbuf = QString::fromLatin1(buf);
 
+    // "#define .._width <num>"
     if (r1.indexIn(sbuf) == 0 &&
          r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength())
         w = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt();
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 1d80809..833e803 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1433,10 +1433,18 @@ QStyle *QApplication::style()
         // Compile-time search for default style
         //
         QString style;
-        if (!QApplicationPrivate::styleOverride.isEmpty())
+#ifdef QT_BUILD_INTERNAL
+        QString envStyle = QString::fromLocal8Bit(qgetenv("QT_STYLE_OVERRIDE"));
+#else
+        QString envStyle;
+#endif
+        if (!QApplicationPrivate::styleOverride.isEmpty()) {
             style = QApplicationPrivate::styleOverride;
-        else
+        } else if (!envStyle.isEmpty()) {
+            style = envStyle;
+        } else {
             style = QApplicationPrivate::desktopStyleKey();
+        }
 
         QStyle *&app_style = QApplicationPrivate::app_style;
         app_style = QStyleFactory::create(style);
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index cbc2356..ff98229 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -2335,6 +2335,30 @@ void qt_init(QApplicationPrivate *priv, int,
                 X11->desktopEnvironment = DE_4DWM;
                 break;
             }
+
+            if (XGetWindowProperty(X11->display, QX11Info::appRootWindow(),
+                               ATOM(_NET_SUPPORTING_WM_CHECK),
+                               0, 1024, False, XA_WINDOW, &type,
+                               &format, &length, &after, &data) == Success) {
+                if (type == XA_WINDOW && format == 32) {
+                    Window windowManagerWindow = *((Window*) data);
+                    XFree(data);
+                    data = 0;
+
+                    if (windowManagerWindow != XNone) {
+                        Atom utf8atom = ATOM(UTF8_STRING);
+                        if (XGetWindowProperty(QX11Info::display(), windowManagerWindow, ATOM(_NET_WM_NAME),
+                                               0, 1024, False, utf8atom, &type,
+                                               &format, &length, &after, &data) == Success) {
+                            if (type == utf8atom && format == 8) {
+                                if (qstrcmp((const char *)data, "MCompositor") == 0)
+                                    X11->desktopEnvironment = DE_MEEGO_COMPOSITOR;
+                            }
+                        }
+                    }
+                }
+            }
+
         } while(0);
 
         if (data)
diff --git a/src/gui/kernel/qt_x11_p.h b/src/gui/kernel/qt_x11_p.h
index d62d9c3..56c8094 100644
--- a/src/gui/kernel/qt_x11_p.h
+++ b/src/gui/kernel/qt_x11_p.h
@@ -338,6 +338,7 @@ enum DesktopEnvironment {
     DE_KDE,
     DE_GNOME,
     DE_CDE,
+    DE_MEEGO_COMPOSITOR,
     DE_4DWM
 };
 
diff --git a/src/gui/styles/qs60style.cpp b/src/gui/styles/qs60style.cpp
index 1262340..6fb3689 100644
--- a/src/gui/styles/qs60style.cpp
+++ b/src/gui/styles/qs60style.cpp
@@ -112,8 +112,6 @@ const short QS60StylePrivate::data[][MAX_PIXELMETRICS] = {
 // *** End of generated data ***
 };
 
-QSet<const QWidget *> *QS60StylePrivate::m_autoFillDisabledWidgets = 0;
-
 const short *QS60StylePrivate::m_pmPointer = QS60StylePrivate::data[0];
 
 // theme background texture
@@ -154,8 +152,6 @@ const double KTabFontMul = 0.72;
 
 QS60StylePrivate::~QS60StylePrivate()
 {
-    delete m_autoFillDisabledWidgets;
-    m_autoFillDisabledWidgets = 0;
     clearCaches(); //deletes also background image
     deleteThemePalette();
 #ifdef Q_WS_S60
@@ -3188,13 +3184,6 @@ void QS60Style::polish(QWidget *widget)
     }
     d->setThemePalette(widget);
     d->setFont(widget);
-    
-    if (widget->autoFillBackground()) {
-        if (!d->m_autoFillDisabledWidgets)
-            d->m_autoFillDisabledWidgets = new QSet<const QWidget *>;
-        widget->setAutoFillBackground(false);
-        d->m_autoFillDisabledWidgets->insert(widget);
-    }
 }
 
 /*!
@@ -3229,13 +3218,6 @@ void QS60Style::unpolish(QWidget *widget)
 
     if (widget)
         widget->setPalette(QPalette());
-    
-    if (d->m_autoFillDisabledWidgets &&
-	    !d->m_autoFillDisabledWidgets->isEmpty() &&
-		d->m_autoFillDisabledWidgets->contains(widget)) {
-        widget->setAutoFillBackground(true);
-        d->m_autoFillDisabledWidgets->remove(widget);
-    }
 
 #if defined(Q_WS_S60) && !defined(QT_NO_PROGRESSBAR)
     if (QProgressBar *bar = qobject_cast<QProgressBar *>(widget)) {
diff --git a/src/gui/styles/qs60style_p.h b/src/gui/styles/qs60style_p.h
index 3d66c40..b46f75e 100644
--- a/src/gui/styles/qs60style_p.h
+++ b/src/gui/styles/qs60style_p.h
@@ -625,7 +625,6 @@ private:
     static qint64 m_webPaletteKey;
 
     static QPointer<QWidget> m_pressedWidget;
-    static QSet<const QWidget *> *m_autoFillDisabledWidgets;
 
 #ifdef Q_WS_S60
     //list of progress bars having animation running