Merge branch '4.6' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.6

15 files changed, 327 insertions, 198 deletions

diff --git a/mkspecs/linux-g++-gles2-experimental/qmake.conf b/mkspecs/linux-g++-gles2-experimental/qmake.conf
deleted file mode 100644
index 9c28d17..0000000
--- a/mkspecs/linux-g++-gles2-experimental/qmake.conf
+++ /dev/null
@@ -1,22 +0,0 @@
-#
-# Experimental qmake configuration for GLES2
-#
-
-MAKEFILE_GENERATOR	= UNIX
-TEMPLATE		= app
-CONFIG			+= qt warn_on release incremental link_prl
-QT			+= core gui
-QMAKE_INCREMENTAL_STYLE = sublib
-
-include(../common/g++.conf)
-
-QMAKE_LFLAGS += -Wl,-rpath-link=/usr/lib
-
-include(../common/linux.conf)
-
-QMAKE_LIBS_EGL        = -lEGL
-QMAKE_LIBS_OPENGL     = -lGLESv2
-QMAKE_LIBS_OPENGL_QT  = -lGLESv2 -lEGL
-
-
-load(qt_config)
diff --git a/mkspecs/linux-g++-gles2-experimental/qplatformdefs.h b/mkspecs/linux-g++-gles2-experimental/qplatformdefs.h
deleted file mode 100644
index ecfbc73..0000000
--- a/mkspecs/linux-g++-gles2-experimental/qplatformdefs.h
+++ /dev/null
@@ -1,166 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the qmake spec of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QPLATFORMDEFS_H
-#define QPLATFORMDEFS_H
-
-// Get Qt defines/settings
-
-#include "qglobal.h"
-
-// Set any POSIX/XOPEN defines at the top of this file to turn on specific APIs
-
-// 1) need to reset default environment if _BSD_SOURCE is defined
-// 2) need to specify POSIX thread interfaces explicitly in glibc 2.0
-// 3) it seems older glibc need this to include the X/Open stuff
-#ifndef _GNU_SOURCE
-#  define _GNU_SOURCE
-#endif
-
-#include <unistd.h>
-
-
-// We are hot - unistd.h should have turned on the specific APIs we requested
-
-#include <features.h>
-#include <pthread.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <grp.h>
-#include <pwd.h>
-#include <signal.h>
-#include <dlfcn.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/ipc.h>
-#include <sys/time.h>
-#include <sys/shm.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <netinet/in.h>
-#ifndef QT_NO_IPV6IFNAME
-#include <net/if.h>
-#endif
-
-#ifdef QT_LARGEFILE_SUPPORT
-#define QT_STATBUF              struct stat64
-#define QT_STATBUF4TSTAT        struct stat64
-#define QT_STAT                 ::stat64
-#define QT_FSTAT                ::fstat64
-#define QT_LSTAT                ::lstat64
-#define QT_OPEN                 ::open64
-#define QT_TRUNCATE             ::truncate64
-#define QT_FTRUNCATE            ::ftruncate64
-#define QT_LSEEK                ::lseek64
-#else
-#define QT_STATBUF              struct stat
-#define QT_STATBUF4TSTAT        struct stat
-#define QT_STAT                 ::stat
-#define QT_FSTAT                ::fstat
-#define QT_LSTAT                ::lstat
-#define QT_OPEN                 ::open
-#define QT_TRUNCATE             ::truncate
-#define QT_FTRUNCATE            ::ftruncate
-#define QT_LSEEK                ::lseek
-#endif
-
-#ifdef QT_LARGEFILE_SUPPORT
-#define QT_FOPEN                ::fopen64
-#define QT_FSEEK                ::fseeko64
-#define QT_FTELL                ::ftello64
-#define QT_FGETPOS              ::fgetpos64
-#define QT_FSETPOS              ::fsetpos64
-#define QT_MMAP                 ::mmap64
-#define QT_FPOS_T               fpos64_t
-#define QT_OFF_T                off64_t
-#else
-#define QT_FOPEN                ::fopen
-#define QT_FSEEK                ::fseek
-#define QT_FTELL                ::ftell
-#define QT_FGETPOS              ::fgetpos
-#define QT_FSETPOS              ::fsetpos
-#define QT_MMAP                 ::mmap
-#define QT_FPOS_T               fpos_t
-#define QT_OFF_T                long
-#endif
-
-#define QT_STAT_REG		S_IFREG
-#define QT_STAT_DIR		S_IFDIR
-#define QT_STAT_MASK		S_IFMT
-#define QT_STAT_LNK		S_IFLNK
-#define QT_SOCKET_CONNECT	::connect
-#define QT_SOCKET_BIND		::bind
-#define QT_FILENO		fileno
-#define QT_CLOSE		::close
-#define QT_READ			::read
-#define QT_WRITE		::write
-#define QT_ACCESS		::access
-#define QT_GETCWD		::getcwd
-#define QT_CHDIR		::chdir
-#define QT_MKDIR		::mkdir
-#define QT_RMDIR		::rmdir
-#define QT_OPEN_LARGEFILE       O_LARGEFILE
-#define QT_OPEN_RDONLY		O_RDONLY
-#define QT_OPEN_WRONLY		O_WRONLY
-#define QT_OPEN_RDWR		O_RDWR
-#define QT_OPEN_CREAT		O_CREAT
-#define QT_OPEN_TRUNC		O_TRUNC
-#define QT_OPEN_APPEND		O_APPEND
-
-#define QT_SIGNAL_RETTYPE	void
-#define QT_SIGNAL_ARGS		int
-#define QT_SIGNAL_IGNORE	SIG_IGN
-
-#if defined(__GLIBC__) && (__GLIBC__ >= 2)
-#define QT_SOCKLEN_T		socklen_t
-#else
-#define QT_SOCKLEN_T		int
-#endif
-
-#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
-#define QT_SNPRINTF		::snprintf
-#define QT_VSNPRINTF		::vsnprintf
-#endif
-
-
-#endif // QPLATFORMDEFS_H
diff --git a/mkspecs/unsupported/linux-host-g++/qmake.conf b/mkspecs/unsupported/linux-host-g++/qmake.conf
new file mode 100644
index 0000000..237477c
--- /dev/null
+++ b/mkspecs/unsupported/linux-host-g++/qmake.conf
@@ -0,0 +1,138 @@
+#
+# QMake configuration for Scratchbox's host-gcc compiler.
+#
+# This mkspec can be used as the platform mkspec when building
+# Qt in scratchbox. If used as such, qmake and similar host
+# tools will be compiled for the host architecture (E.g. x86)
+# and thus not run in the emulator. This results in a 
+# significant improvement in build times.
+# 
+# Note: The mkspec copied & pasted parts from common/gcc.conf
+#       and common/linux.conf as setBootstrapVariable in
+#       configure has a bug which stops re-assignments working
+#       for QMake variables (I.e. "QMAKE_foo = bar" is broken).
+
+MAKEFILE_GENERATOR	= UNIX
+TEMPLATE		= app
+CONFIG			+= qt warn_on release incremental link_prl
+QT			+= core gui
+QMAKE_INCREMENTAL_STYLE = sublib
+
+#
+# qmake configuration for common gcc
+#
+
+QMAKE_CC                = host-gcc
+QMAKE_CFLAGS            += -pipe
+QMAKE_CFLAGS_DEPS       += -M
+QMAKE_CFLAGS_WARN_ON    += -Wall -W
+QMAKE_CFLAGS_WARN_OFF   += -w
+QMAKE_CFLAGS_RELEASE    += -O2
+QMAKE_CFLAGS_DEBUG      += -g
+QMAKE_CFLAGS_SHLIB      += -fPIC
+QMAKE_CFLAGS_STATIC_LIB += -fPIC
+QMAKE_CFLAGS_YACC       += -Wno-unused -Wno-parentheses
+QMAKE_CFLAGS_HIDESYMS   += -fvisibility=hidden
+QMAKE_CFLAGS_PRECOMPILE += -x c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CFLAGS_USE_PRECOMPILE += -include ${QMAKE_PCH_OUTPUT_BASE}
+
+QMAKE_CXX               = host-g++
+QMAKE_CXXFLAGS          += $$QMAKE_CFLAGS
+QMAKE_CXXFLAGS_DEPS     += $$QMAKE_CFLAGS_DEPS
+QMAKE_CXXFLAGS_WARN_ON  += $$QMAKE_CFLAGS_WARN_ON
+QMAKE_CXXFLAGS_WARN_OFF += $$QMAKE_CFLAGS_WARN_OFF
+QMAKE_CXXFLAGS_RELEASE  += $$QMAKE_CFLAGS_RELEASE
+QMAKE_CXXFLAGS_DEBUG    += $$QMAKE_CFLAGS_DEBUG
+QMAKE_CXXFLAGS_SHLIB    += $$QMAKE_CFLAGS_SHLIB
+QMAKE_CXXFLAGS_STATIC_LIB += $$QMAKE_CFLAGS_STATIC_LIB
+QMAKE_CXXFLAGS_YACC     += $$QMAKE_CFLAGS_YACC
+QMAKE_CXXFLAGS_HIDESYMS += $$QMAKE_CFLAGS_HIDESYMS -fvisibility-inlines-hidden
+QMAKE_CXXFLAGS_PRECOMPILE += -x c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+
+QMAKE_LINK              = host-g++
+QMAKE_LINK_SHLIB        = host-g++
+QMAKE_LINK_C            = host-gcc
+QMAKE_LINK_C_SHLIB      = host-gcc
+QMAKE_LFLAGS            +=
+QMAKE_LFLAGS_RELEASE    += -Wl,-O1
+QMAKE_LFLAGS_DEBUG      +=
+QMAKE_LFLAGS_APP        +=
+QMAKE_LFLAGS_SHLIB      += -shared
+QMAKE_LFLAGS_PLUGIN     += $$QMAKE_LFLAGS_SHLIB
+QMAKE_LFLAGS_SONAME     += -Wl,-soname,
+QMAKE_LFLAGS_THREAD     +=
+QMAKE_LFLAGS_NOUNDEF    += -Wl,--no-undefined
+QMAKE_RPATH             = -Wl,-rpath,
+
+QMAKE_PCH_OUTPUT_EXT    = .gch
+
+# -Bsymbolic-functions (ld) support
+QMAKE_LFLAGS_BSYMBOLIC_FUNC = -Wl,-Bsymbolic-functions
+QMAKE_LFLAGS_DYNAMIC_LIST = -Wl,--dynamic-list,
+
+#
+# qmake configuration for common linux
+#
+
+QMAKE_CFLAGS_THREAD	+= -D_REENTRANT
+QMAKE_CXXFLAGS_THREAD	+= $$QMAKE_CFLAGS_THREAD
+
+QMAKE_INCDIR          =
+QMAKE_LIBDIR          =
+QMAKE_INCDIR_X11      = /usr/X11R6/include
+QMAKE_LIBDIR_X11      = /usr/X11R6/lib
+QMAKE_INCDIR_QT       = $$[QT_INSTALL_HEADERS]
+QMAKE_LIBDIR_QT       = $$[QT_INSTALL_LIBS]
+QMAKE_INCDIR_OPENGL   = /usr/X11R6/include
+QMAKE_LIBDIR_OPENGL   = /usr/X11R6/lib
+QMAKE_INCDIR_OPENGL_ES1 = $$QMAKE_INCDIR_OPENGL
+QMAKE_LIBDIR_OPENGL_ES1 = $$QMAKE_LIBDIR_OPENGL
+QMAKE_INCDIR_OPENGL_ES1CL = $$QMAKE_INCDIR_OPENGL
+QMAKE_LIBDIR_OPENGL_ES1CL = $$QMAKE_LIBDIR_OPENGL
+QMAKE_INCDIR_OPENGL_ES2 = $$QMAKE_INCDIR_OPENGL
+QMAKE_LIBDIR_OPENGL_ES2 = $$QMAKE_LIBDIR_OPENGL
+QMAKE_INCDIR_EGL      = 
+QMAKE_LIBDIR_EGL      =
+QMAKE_INCDIR_OPENVG   = 
+QMAKE_LIBDIR_OPENVG   =
+
+QMAKE_LIBS            =
+QMAKE_LIBS_DYNLOAD    = -ldl
+QMAKE_LIBS_X11        = -lXext -lX11 -lm
+QMAKE_LIBS_X11SM      = -lSM -lICE
+QMAKE_LIBS_NIS        = -lnsl
+QMAKE_LIBS_EGL        = -lEGL
+QMAKE_LIBS_OPENGL     = -lGLU -lGL
+QMAKE_LIBS_OPENGL_QT  = -lGL
+QMAKE_LIBS_OPENGL_ES1 = -lGLES_CM
+QMAKE_LIBS_OPENGL_ES1CL = -lGLES_CL
+QMAKE_LIBS_OPENGL_ES2 = -lGLESv2
+QMAKE_LIBS_OPENVG     = -lOpenVG
+QMAKE_LIBS_THREAD     = -lpthread
+
+QMAKE_MOC             = $$[QT_INSTALL_BINS]/moc
+QMAKE_UIC             = $$[QT_INSTALL_BINS]/uic
+
+QMAKE_AR              = host-ar cqs
+QMAKE_OBJCOPY         = host-objcopy
+QMAKE_RANLIB          =
+
+QMAKE_TAR             = tar -cf
+QMAKE_GZIP            = gzip -9f
+
+QMAKE_COPY            = cp -f
+QMAKE_COPY_FILE       = $(COPY)
+QMAKE_COPY_DIR        = $(COPY) -r
+QMAKE_MOVE            = mv -f
+QMAKE_DEL_FILE        = rm -f
+QMAKE_DEL_DIR         = rmdir
+QMAKE_STRIP           = host-strip
+QMAKE_STRIPFLAGS_LIB += --strip-unneeded
+QMAKE_CHK_DIR_EXISTS  = test -d
+QMAKE_MKDIR           = mkdir -p
+QMAKE_INSTALL_FILE    = install -m 644 -p
+QMAKE_INSTALL_PROGRAM = install -m 755 -p
+
+include(../common/unix.conf)
+load(qt_config)
diff --git a/mkspecs/unsupported/linux-host-g++/qplatformdefs.h b/mkspecs/unsupported/linux-host-g++/qplatformdefs.h
new file mode 100644
index 0000000..60e0f5e
--- /dev/null
+++ b/mkspecs/unsupported/linux-host-g++/qplatformdefs.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "../../linux-g++/qplatformdefs.h"
diff --git a/src/gui/egl/qegl.cpp b/src/gui/egl/qegl.cpp
index cf28dc4..6ee4bfc 100644
--- a/src/gui/egl/qegl.cpp
+++ b/src/gui/egl/qegl.cpp
@@ -429,7 +429,10 @@ QString QEglContext::extensions()
 
 bool QEglContext::hasExtension(const char* extensionName)
 {
-    return extensions().contains(QLatin1String(extensionName));
+    QList<QByteArray> extensions =
+        QByteArray(reinterpret_cast<const char *>
+            (eglQueryString(QEglContext::defaultDisplay(0), EGL_EXTENSIONS))).split(' ');
+    return extensions.contains(extensionName);
 }
 
 QEglContext *QEglContext::currentContext(QEgl::API api)
diff --git a/src/gui/graphicsview/qgraphicsanchorlayout.cpp b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
index 686096c..6718a28 100644
--- a/src/gui/graphicsview/qgraphicsanchorlayout.cpp
+++ b/src/gui/graphicsview/qgraphicsanchorlayout.cpp
@@ -158,7 +158,7 @@ QGraphicsAnchor::~QGraphicsAnchor()
     \property QGraphicsAnchor::sizePolicy
     \brief the size policy for the QGraphicsAnchor.
 
-    By setting the size policy on an anchor you can configure how the item can resize itself
+    By setting the size policy on an anchor you can configure how the anchor can resize itself
     from its preferred spacing. For instance, if the anchor has the size policy
     QSizePolicy::Minimum, the spacing is the minimum size of the anchor. However, its size
     can grow up to the anchors maximum size. If the default size policy is QSizePolicy::Fixed,
@@ -247,7 +247,7 @@ QGraphicsAnchorLayout::~QGraphicsAnchorLayout()
 
 /*!
     Creates an anchor between the edge \a firstEdge of item \a firstItem and the edge \a secondEdge
-    of item \a secondItem. The magnitude of the anchor is picked up from the style. Anchors
+    of item \a secondItem. The spacing of the anchor is picked up from the style. Anchors
     between a layout edge and an item edge will have a size of 0.
     If there is already an anchor between the edges, the the new anchor will replace the old one.
 
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index bb45e7e..b54596b 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -1341,8 +1341,8 @@ QGraphicsItem::~QGraphicsItem()
     }
 
     if (!d_ptr->children.isEmpty()) {
-        QList<QGraphicsItem *> oldChildren = d_ptr->children;
-        qDeleteAll(oldChildren);
+        while (!d_ptr->children.isEmpty())
+            delete d_ptr->children.first();
         Q_ASSERT(d_ptr->children.isEmpty());
     }
 
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp
index 8777cdc..27ebb79 100644
--- a/src/gui/graphicsview/qgraphicsscene.cpp
+++ b/src/gui/graphicsview/qgraphicsscene.cpp
@@ -4233,7 +4233,6 @@ static void _q_paintIntoCache(QPixmap *pix, QGraphicsItem *item, const QRegion &
     if (!subPix.isNull()) {
         // Blit the subpixmap into the main pixmap.
         pixmapPainter.begin(pix);
-        pixmapPainter.setCompositionMode(QPainter::CompositionMode_Source);
         pixmapPainter.setClipRegion(pixmapExposed);
         pixmapPainter.drawPixmap(br.topLeft(), subPix);
         pixmapPainter.end();
diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index acfeff8..de6e6cb 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -1625,7 +1625,7 @@ void QAbstractItemView::mousePressEvent(QMouseEvent *event)
     QPoint offset = d->offset();
     if ((command & QItemSelectionModel::Current) == 0)
         d->pressedPosition = pos + offset;
-    else if (!indexAt(d->pressedPosition).isValid())
+    else if (!indexAt(d->pressedPosition - offset).isValid())
         d->pressedPosition = visualRect(currentIndex()).center() + offset;
 
     if (edit(index, NoEditTriggers, event))
@@ -2195,7 +2195,7 @@ void QAbstractItemView::keyPressEvent(QKeyEvent *event)
             // note that we don't check if the new current index is enabled because moveCursor() makes sure it is
             if (command & QItemSelectionModel::Current) {
                 d->selectionModel->setCurrentIndex(newCurrent, QItemSelectionModel::NoUpdate);
-                if (!indexAt(d->pressedPosition).isValid())
+                if (!indexAt(d->pressedPosition - d->offset()).isValid())
                     d->pressedPosition = visualRect(oldCurrent).center() + d->offset();
                 QRect rect(d->pressedPosition - d->offset(), visualRect(newCurrent).center());
                 setSelection(rect, command);
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 5ada125..94b8aa5 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1495,6 +1495,7 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     version_flags_cached = false;
     version_flags = QGLFormat::OpenGL_Version_None;
     current_fbo = 0;
+    default_fbo = 0;
     active_engine = 0;
 }
 
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 8e472e5..ab72c9c 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -328,6 +328,7 @@ public:
     GLint max_texture_size;
 
     GLuint current_fbo;
+    GLuint default_fbo;
     QPaintEngine *active_engine;
 
     static inline QGLContextGroup *contextGroup(const QGLContext *ctx) { return ctx->d_ptr->group; }
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index d79283e..d0297c9 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -899,8 +899,8 @@ bool QGLFramebufferObject::release()
 #endif
 
     if (current) {
-        current->d_ptr->current_fbo = 0;
-        glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+        current->d_ptr->current_fbo = current->d_ptr->default_fbo;
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, current->d_ptr->default_fbo);
     }
 
     return true;
diff --git a/src/opengl/qglpaintdevice.cpp b/src/opengl/qglpaintdevice.cpp
index 2867de5..bcd90a5 100644
--- a/src/opengl/qglpaintdevice.cpp
+++ b/src/opengl/qglpaintdevice.cpp
@@ -89,6 +89,12 @@ void QGLPaintDevice::beginPaint()
         ctx->d_ptr->current_fbo = m_thisFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_thisFBO);
     }
+
+    // Set the default fbo for the context to m_thisFBO so that
+    // if some raw GL code between beginNativePainting() and
+    // endNativePainting() calls QGLFramebufferObject::release(),
+    // painting will revert to the window surface's fbo.
+    ctx->d_ptr->default_fbo = m_thisFBO;
 }
 
 void QGLPaintDevice::ensureActiveTarget()
@@ -101,6 +107,8 @@ void QGLPaintDevice::ensureActiveTarget()
         ctx->d_ptr->current_fbo = m_thisFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_thisFBO);
     }
+
+    ctx->d_ptr->default_fbo = m_thisFBO;
 }
 
 void QGLPaintDevice::endPaint()
@@ -111,6 +119,8 @@ void QGLPaintDevice::endPaint()
         ctx->d_ptr->current_fbo = m_previousFBO;
         glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_previousFBO);
     }
+
+    ctx->d_ptr->default_fbo = 0;
 }
 
 QGLFormat QGLPaintDevice::format() const
diff --git a/tests/auto/qabstractitemview/tst_qabstractitemview.cpp b/tests/auto/qabstractitemview/tst_qabstractitemview.cpp
index db840f4..6479829 100644
--- a/tests/auto/qabstractitemview/tst_qabstractitemview.cpp
+++ b/tests/auto/qabstractitemview/tst_qabstractitemview.cpp
@@ -46,6 +46,7 @@
 #include <qstandarditemmodel.h>
 #include <qapplication.h>
 #include <qlistview.h>
+#include <qlistwidget.h>
 #include <qtableview.h>
 #include <qtreeview.h>
 #include <qtreewidget.h>
@@ -224,6 +225,7 @@ private slots:
     void shiftArrowSelectionAfterScrolling();
     void shiftSelectionAfterRubberbandSelection();
     void ctrlRubberbandSelection();
+    void QTBUG6407_extendedSelection();
 };
 
 class MyAbstractItemDelegate : public QAbstractItemDelegate
@@ -1433,5 +1435,45 @@ void tst_QAbstractItemView::ctrlRubberbandSelection()
     QVERIFY(selected.contains(index2));
 }
 
+void tst_QAbstractItemView::QTBUG6407_extendedSelection()
+{
+    QListWidget view;
+    view.setSelectionMode(QAbstractItemView::ExtendedSelection);
+    for(int i = 0; i < 50; ++i)
+        view.addItem(QString::number(i));
+
+    view.resize(200,200);
+
+    view.show();
+    QApplication::setActiveWindow(&view);
+    QTest::qWaitForWindowShown(&view);
+    QTRY_COMPARE(static_cast<QWidget *>(&view), QApplication::activeWindow());
+
+    view.verticalScrollBar()->setValue(view.verticalScrollBar()->maximum());
+    QTest::qWait(20);
+
+    QModelIndex index49 = view.model()->index(49,0);
+    QPoint p = view.visualRect(index49).center();
+    QVERIFY(view.viewport()->rect().contains(p));
+    QTest::mouseClick(view.viewport(), Qt::LeftButton, 0, p);
+    QCOMPARE(view.currentIndex(), index49);
+    QCOMPARE(view.selectedItems().count(), 1);
+
+    QModelIndex index47 = view.model()->index(47,0);
+    p = view.visualRect(index47).center();
+    QVERIFY(view.viewport()->rect().contains(p));
+    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::ShiftModifier, p);
+    QCOMPARE(view.currentIndex(), index47);
+    QCOMPARE(view.selectedItems().count(), 3); //49, 48, 47;
+
+    QModelIndex index44 = view.model()->index(44,0);
+    p = view.visualRect(index44).center();
+    QVERIFY(view.viewport()->rect().contains(p));
+    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::ShiftModifier, p);
+    QCOMPARE(view.currentIndex(), index44);
+    QCOMPARE(view.selectedItems().count(), 6); //49 .. 44;
+
+}
+
 QTEST_MAIN(tst_QAbstractItemView)
 #include "tst_qabstractitemview.moc"
diff --git a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
index a8017ff..c5e57f7 100644
--- a/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
+++ b/tests/auto/qgraphicsscene/tst_qgraphicsscene.cpp
@@ -280,6 +280,7 @@ private slots:
     void task160653_selectionChanged();
     void task250680_childClip();
     void taskQTBUG_5904_crashWithDeviceCoordinateCache();
+    void taskQT657_paintIntoCacheWithTransparentParts();
 };
 
 void tst_QGraphicsScene::initTestCase()
@@ -1462,6 +1463,7 @@ void tst_QGraphicsScene::focusItemLostFocus()
 class ClearTestItem : public QGraphicsRectItem
 {
 public:
+    ClearTestItem(QGraphicsItem *parent = 0) : QGraphicsRectItem(parent) {}
     ~ClearTestItem() { qDeleteAll(items); }
     QList<QGraphicsItem *> items;
 };
@@ -1486,6 +1488,11 @@ void tst_QGraphicsScene::clear()
     scene.addItem(secondItem);
     QCOMPARE(scene.items().at(0), firstItem);
     QCOMPARE(scene.items().at(1), secondItem);
+
+    ClearTestItem *thirdItem = new ClearTestItem(firstItem);
+    QGraphicsItem *forthItem = new QGraphicsRectItem(firstItem);
+    thirdItem->items += forthItem;
+
     // must not crash even if firstItem deletes secondItem
     scene.clear();
     QVERIFY(scene.items().isEmpty());
@@ -4211,6 +4218,42 @@ void tst_QGraphicsScene::siblingIndexAlwaysValid()
     //If there are in the list that's bad, we crash...
     QVERIFY(!QGraphicsScenePrivate::get(&scene)->topLevelItems.contains(static_cast<QGraphicsItem *>(child)));
 
+    //Other case
+    QGraphicsScene scene2;
+    // works with bsp tree index
+    scene2.setItemIndexMethod(QGraphicsScene::NoIndex);
+
+    QGraphicsView view2(&scene2);
+
+    // first add the blue rect
+    QGraphicsRectItem* const item1 = new QGraphicsRectItem(QRect( 10, 10, 10, 10 ));
+    item1->setPen(QColor(Qt::blue));
+    item1->setBrush(Qt::blue);
+    scene2.addItem(item1);
+
+    // then add the red rect
+    QGraphicsRectItem* const item2 = new QGraphicsRectItem(5, 5, 10, 10);
+    item2->setPen(QColor(Qt::red));
+    item2->setBrush(Qt::red);
+    scene2.addItem(item2);
+
+    // now the blue one is visible on top of the red one -> swap them (important for the bug)
+    item1->setZValue(1.0);
+    item2->setZValue(0.0);
+
+    view2.show();
+
+    // handle events as a real life app would do
+    QApplication::processEvents();
+
+    // now delete the red rect
+    delete item2;
+
+    // handle events as a real life app would do
+     QApplication::processEvents();
+
+     //We should not crash
+
 }
 
 void tst_QGraphicsScene::taskQTBUG_5904_crashWithDeviceCoordinateCache()
@@ -4228,5 +4271,43 @@ void tst_QGraphicsScene::taskQTBUG_5904_crashWithDeviceCoordinateCache()
     // No crash, then it passed!
 }
 
+void tst_QGraphicsScene::taskQT657_paintIntoCacheWithTransparentParts()
+{
+    QWidget *w = new QWidget();
+    w->setPalette(Qt::blue);
+    w->setGeometry(0, 0, 50, 50);
+
+    QGraphicsScene *scene = new QGraphicsScene();
+    QGraphicsView *view = new QGraphicsView(scene);
+
+    QGraphicsProxyWidget *proxy = scene->addWidget(w);
+    proxy->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
+    proxy->rotate(15);
+
+    view->show();
+    QTest::qWaitForWindowShown(view);
+    w->update(10,10,10,10);
+    QTest::qWait(50);
+
+    QPixmap pix;
+    QGraphicsItemPrivate* itemp = QGraphicsItemPrivate::get(proxy);
+    QPixmapCache::Key key = itemp->extraItemCache()->deviceData.value(view->viewport()).key;
+    QVERIFY(QPixmapCache::find(key, &pix));
+
+    QTransform t = proxy->sceneTransform();
+    // Map from scene coordinates to pixmap coordinates.
+    // X origin in the pixmap is the most-left point
+    // of the item's boundingRect in the scene.
+    qreal adjust = t.mapRect(proxy->boundingRect().toRect()).left();
+    QRect rect = t.mapRect(QRect(10, 10, 10, 10)).adjusted(-adjust, 0, -adjust + 1, 1);
+    QPixmap subpix = pix.copy(rect);
+
+    QImage im = subpix.toImage();
+    for(int i = 0; i < im.width(); i++) {
+        for(int j = 0; j < im.height(); j++)
+            QCOMPARE(qAlpha(im.pixel(i, j)), 255);
+    }
+}
+
 QTEST_MAIN(tst_QGraphicsScene)
 #include "tst_qgraphicsscene.moc"