Merge branch 4.7 into qt-4.8-from-4.7

5 files changed, 29 insertions, 13 deletions

diff --git a/src/gui/kernel/qwidget_s60.cpp b/src/gui/kernel/qwidget_s60.cpp
index 1e99687..5ab3d00 100644
--- a/src/gui/kernel/qwidget_s60.cpp
+++ b/src/gui/kernel/qwidget_s60.cpp
@@ -795,7 +795,7 @@ void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f)
     adjustFlags(data.window_flags, q);
     // keep compatibility with previous versions, we need to preserve the created state
     // (but we recreate the winId for the widget being reparented, again for compatibility)
-    if (wasCreated || (!q->isWindow() && parent->testAttribute(Qt::WA_WState_Created)))
+    if (wasCreated || (!q->isWindow() && parent && parent->testAttribute(Qt::WA_WState_Created)))
         createWinId();
     if (q->isWindow() || (!parent || parent->isVisible()) || explicitlyHidden)
         q->setAttribute(Qt::WA_WState_Hidden);
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 4396730..8c09b5b 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -1579,8 +1579,10 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
             emit q->cursorPositionChanged();
         _q_updateCurrentCharFormatAndSelection();
     } else {
-        if (cursor.position() != oldCursorPos)
+        if (cursor.position() != oldCursorPos) {
             emit q->cursorPositionChanged();
+            emit q->microFocusChanged();
+        }
         selectionChanged();
     }
     repaintOldAndNewSelection(oldSelection);
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 4fb0f0c..e530222 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -435,6 +435,8 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         c += event->commitString().length() - qMin(-event->replacementStart(), event->replacementLength());
 
     m_cursor += event->replacementStart();
+    if (m_cursor < 0)
+        m_cursor = 0;
 
     // insert commit string
     if (event->replacementLength()) {
@@ -447,7 +449,7 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
         cursorPositionChanged = true;
     }
 
-    m_cursor = qMin(c, m_text.length());
+    m_cursor = qBound(0, c, m_text.length());
 
     for (int i = 0; i < event->attributes().size(); ++i) {
         const QInputMethodEvent::Attribute &a = event->attributes().at(i);
diff --git a/src/network/kernel/qnetworkinterface_unix.cpp b/src/network/kernel/qnetworkinterface_unix.cpp
index 6098bde..7f251a7 100644
--- a/src/network/kernel/qnetworkinterface_unix.cpp
+++ b/src/network/kernel/qnetworkinterface_unix.cpp
@@ -219,7 +219,7 @@ static QNetworkInterfacePrivate *findInterface(int socket, QList<QNetworkInterfa
 #ifdef SIOCGIFHWADDR
         // Get the HW address
         if (qt_safe_ioctl(socket, SIOCGIFHWADDR, &req) >= 0) {
-            uchar *addr = (uchar *)&req.ifr_addr;
+            uchar *addr = (uchar *)req.ifr_addr.sa_data;
             iface->hardwareAddress = iface->makeHwAddress(6, addr);
         }
 #endif
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp
index 1b41db4..ab37977 100644
--- a/src/opengl/qgl_symbian.cpp
+++ b/src/opengl/qgl_symbian.cpp
@@ -49,6 +49,9 @@
 #include <private/qpaintengine_opengl_p.h>
 #include <private/qwidget_p.h> // to access QWExtra
 #include <private/qnativeimagehandleprovider_p.h>
+#include <private/qapplication_p.h>
+#include <private/qgraphicssystem_p.h>
+#include <private/qgraphicssystemex_symbian_p.h>
 #include "qgl_egl_p.h"
 #include "qpixmapdata_gl_p.h"
 #include "qgltexturepool_p.h"
@@ -180,6 +183,15 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as
         d->ownsEglContext = true;
         d->eglContext->setApi(QEgl::OpenGL);
 
+        QGraphicsSystemEx *ex = QApplicationPrivate::graphicsSystem()->platformExtension();
+        QSymbianGraphicsSystemEx *symex = static_cast<QSymbianGraphicsSystemEx*>(ex);
+        if (symex && !symex->hasBCM2727()) {
+            // Most likely we have hw support for multisampling
+            // so let's enable it.
+            d->glFormat.setSampleBuffers(1);
+            d->glFormat.setSamples(4);
+        }
+
 	    // If the device is a widget with WA_TranslucentBackground set, make sure the glFormat
         // has the alpha channel option set:
         if (devType == QInternal::Widget) {
@@ -229,20 +241,20 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as
 
         d->eglSurface = QEgl::createSurface(device(), d->eglContext->config());
 
-    eglGetError();  // Clear error state first.
+        eglGetError();  // Clear error state first.
 
 #ifdef QGL_NO_PRESERVED_SWAP
-    eglSurfaceAttrib(QEgl::display(), d->eglSurface,
-            EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED);
+        eglSurfaceAttrib(QEgl::display(), d->eglSurface,
+                EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED);
 
-    if (eglGetError() != EGL_SUCCESS)
-        qWarning("QGLContext: could not enable destroyed swap behaviour");
+        if (eglGetError() != EGL_SUCCESS)
+            qWarning("QGLContext: could not enable destroyed swap behaviour");
 #else
-    eglSurfaceAttrib(QEgl::display(), d->eglSurface,
-            EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
+        eglSurfaceAttrib(QEgl::display(), d->eglSurface,
+                EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
 
-    if (eglGetError() != EGL_SUCCESS)
-        qWarning("QGLContext: could not enable preserved swap behaviour");
+        if (eglGetError() != EGL_SUCCESS)
+            qWarning("QGLContext: could not enable preserved swap behaviour");
 #endif
 
         setWindowCreated(true);