Merge remote branch 'origin/4.6' into qt-4.7-from-4.6

Conflicts:
	src/3rdparty/webkit/VERSION
	src/3rdparty/webkit/WebCore/ChangeLog
	src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
	src/3rdparty/webkit/WebKit/qt/ChangeLog
	src/gui/painting/qpainter.cpp
	src/gui/painting/qtextureglyphcache.cpp
	src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
	src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
	src/s60installs/bwins/QtGuiu.def
	src/s60installs/eabi/QtCoreu.def
	src/s60installs/eabi/QtGuiu.def
	src/s60installs/eabi/QtNetworku.def
	src/s60installs/eabi/QtOpenVGu.def
	tests/auto/qfontmetrics/tst_qfontmetrics.cpp
	tools/linguist/lupdate/main.cpp

8 files changed, 397 insertions, 20 deletions

diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h
new file mode 100644
index 0000000..7059132
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/a.h
@@ -0,0 +1,42 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#define XX QT_TRANSLATE_NOOP("aaa", "some text")
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h
new file mode 100644
index 0000000..ce3e1a2
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/b.h
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 "a.h"
+
+#define YY QT_TRANSLATE_NOOP("bbb", "some text")
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd
new file mode 100644
index 0000000..edd91f7
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/lupdatecmd
@@ -0,0 +1 @@
+lupdate b.h a.h -ts project.ts
diff --git a/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result
new file mode 100644
index 0000000..6028cbb
--- /dev/null
+++ b/tests/auto/linguist/lupdate/testdata/good/cmdline_order/project.ts.result
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.0">
+<context>
+    <name>aaa</name>
+    <message>
+        <location filename="a.h" line="42"/>
+        <source>some text</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+<context>
+    <name>bbb</name>
+    <message>
+        <location filename="b.h" line="44"/>
+        <source>some text</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+</TS>
diff --git a/tests/auto/qfontmetrics/tst_qfontmetrics.cpp b/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
index 2567a41..a22d624 100644
--- a/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
+++ b/tests/auto/qfontmetrics/tst_qfontmetrics.cpp
@@ -74,7 +74,6 @@ private slots:
     void bypassShaping();
     void elidedMultiLength();
     void elidedMultiLengthF();
-    void bearingIncludedInBoundingRect();
 };
 
 tst_QFontMetrics::tst_QFontMetrics()
@@ -267,16 +266,5 @@ void tst_QFontMetrics::elidedMultiLengthF()
     elidedMultiLength_helper<QFontMetricsF>();
 }
 
-void tst_QFontMetrics::bearingIncludedInBoundingRect()
-{
-    QFont font;
-    font.setItalic(true);
-    QRect brectItalic = QFontMetrics(font).boundingRect("ITALIC");
-    font.setItalic(false);
-    QRect brectNormal = QFontMetrics(font).boundingRect("ITALIC");
-
-    QVERIFY(brectItalic.width() >= brectNormal.width());
-}
-
 QTEST_MAIN(tst_QFontMetrics)
 #include "tst_qfontmetrics.moc"
diff --git a/tests/auto/qhash/tst_qhash.cpp b/tests/auto/qhash/tst_qhash.cpp
index 59576d9..3a7b54a 100644
--- a/tests/auto/qhash/tst_qhash.cpp
+++ b/tests/auto/qhash/tst_qhash.cpp
@@ -1154,6 +1154,26 @@ void tst_QHash::qmultihash_specific()
     QVERIFY(i.key() == 9);
     QVERIFY(i.value() == 98);
     }
+
+    {
+    QMultiHash<int, int> map1;
+    map1.insert(42, 1);
+    map1.insert(10, 2);
+    map1.insert(48, 3);
+    QMultiHash<int, int> map2;
+    map2.insert(8, 4);
+    map2.insert(42, 5);
+    map2.insert(95, 12);
+
+    map1+=map2;
+    map2.insert(42, 1);
+    map2.insert(10, 2);
+    map2.insert(48, 3);
+    QCOMPARE(map1.count(), map2.count());
+    QVERIFY(map1.remove(42,5));
+    QVERIFY(map2.remove(42,5));
+    QVERIFY(map1 == map2);
+    }
 }
 
 template <typename T>
diff --git a/tests/auto/qmap/tst_qmap.cpp b/tests/auto/qmap/tst_qmap.cpp
index d3ed76d..a1b8de7 100644
--- a/tests/auto/qmap/tst_qmap.cpp
+++ b/tests/auto/qmap/tst_qmap.cpp
@@ -837,6 +837,26 @@ void tst_QMap::qmultimap_specific()
     QVERIFY(i.key() == 9);
     QVERIFY(i.value() == 98);
     }
+
+    {
+    QMultiMap<int, int> map1;
+    map1.insert(42, 1);
+    map1.insert(10, 2);
+    map1.insert(48, 3);
+    QMultiMap<int, int> map2;
+    map2.insert(8, 4);
+    map2.insert(42, 5);
+    map2.insert(95, 12);
+
+    map1+=map2;
+    map2.insert(42, 1);
+    map2.insert(10, 2);
+    map2.insert(48, 3);
+    QCOMPARE(map1.count(), map2.count());
+    QVERIFY(map1.remove(42,5));
+    QVERIFY(map2.remove(42,5));
+    QVERIFY(map1 == map2);
+    }
 }
 
 QTEST_APPLESS_MAIN(tst_QMap)
diff --git a/tests/auto/qwidget/tst_qwidget.cpp b/tests/auto/qwidget/tst_qwidget.cpp
index 5d47aed..a1fc607 100644
--- a/tests/auto/qwidget/tst_qwidget.cpp
+++ b/tests/auto/qwidget/tst_qwidget.cpp
@@ -385,6 +385,7 @@ private slots:
     void setGraphicsEffect();
 
     void destroyBackingStore();
+    void destroyBackingStoreWhenHidden();
 
     void activateWindow();
 
@@ -9499,9 +9500,7 @@ void tst_QWidget::destroyBackingStore()
     QTRY_VERIFY(w.numPaintEvents > 0);
     w.reset();
     w.update();
-    delete qt_widget_private(&w)->topData()->backingStore;
-    qt_widget_private(&w)->topData()->backingStore = 0;
-    qt_widget_private(&w)->topData()->backingStore = new QWidgetBackingStore(&w);
+    qt_widget_private(&w)->topData()->backingStore.create(&w);
 
     w.update();
     QApplication::processEvents();
@@ -9519,6 +9518,252 @@ void tst_QWidget::destroyBackingStore()
 #endif
 }
 
+// Helper function
+QWidgetBackingStore* backingStore(QWidget &widget)
+{
+    QWidgetBackingStore *backingStore = 0;
+#ifdef QT_BUILD_INTERNAL
+    if (QTLWExtra *topExtra = qt_widget_private(&widget)->maybeTopData())
+        backingStore = topExtra->backingStore.data();
+#endif
+    return backingStore;
+}
+
+// Wait for a condition to be true, timing out after 1 second
+// This is used following calls to QWidget::show() and QWidget::hide(), which are
+// expected to asynchronously trigger native window visibility events.
+#define WAIT_AND_VERIFY(condition)                                              \
+    do {                                                                        \
+        QTime start = QTime::currentTime();                                     \
+        while (!(condition) && (start.elapsed() < 1000)) {                      \
+            qApp->processEvents();                                              \
+            QTest::qWait(50);                                                   \
+        }                                                                       \
+        if (!QTest::qVerify((condition), #condition, "", __FILE__, __LINE__))   \
+            return;                                                             \
+    } while (0)
+
+void tst_QWidget::destroyBackingStoreWhenHidden()
+{
+#ifndef QT_BUILD_INTERNAL
+    QSKIP("Test step requires access to Q_AUTOTEST_EXPORT", SkipAll);
+#endif
+
+#ifndef Q_OS_SYMBIAN
+    QSKIP("Only Symbian destroys backing store when native window becomes invisible", SkipAll);
+#endif
+
+    testWidget->hide();
+    QTest::qWait(1000);
+
+    // 1. Single top-level QWidget
+    {
+    QWidget w;
+    w.setAutoFillBackground(true);
+    w.setPalette(Qt::yellow);
+    w.setGeometry(0, 0, 100, 100);
+    w.show();
+    QTest::qWaitForWindowShown(&w);
+    QVERIFY(0 != backingStore(w));
+
+    w.hide();
+    WAIT_AND_VERIFY(0 == backingStore(w));
+
+    w.show();
+    QTest::qWaitForWindowShown(&w);
+    QVERIFY(0 != backingStore(w));
+    }
+
+    // 2. Two top-level widgets
+    {
+    QWidget w1;
+    w1.setGeometry(0, 0, 100, 100);
+    w1.setAutoFillBackground(true);
+    w1.setPalette(Qt::red);
+    w1.show();
+    QTest::qWaitForWindowShown(&w1);
+    QVERIFY(0 != backingStore(w1));
+
+    QWidget w2;
+    w2.setGeometry(w1.geometry());
+    w1.setAutoFillBackground(true);
+    w1.setPalette(Qt::blue);
+    w2.show();
+    QTest::qWaitForWindowShown(&w2);
+    QVERIFY(0 != backingStore(w2));
+
+    // Check that w1 deleted its backing store when obscured by w2
+    QVERIFY(0 == backingStore(w1));
+
+    w2.move(w2.pos() + QPoint(10, 10));
+
+    // Check that w1 recreates its backing store when partially revealed
+    WAIT_AND_VERIFY(0 != backingStore(w1));
+    }
+
+    // 3. Native child widget
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::yellow);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::green);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    child.winId();
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QWidgetBackingStore *const parentBs = backingStore(parent);
+    QVERIFY(0 != parentBs);
+    QVERIFY(0 == backingStore(child));
+
+    // Set margins to zero so that child widget totally obscures parent
+    layout.setContentsMargins(0, 0, 0, 0);
+
+    WAIT_AND_VERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Backing store should remain unchanged despite child window obscuring
+    // parent window
+    QVERIFY(parentBs == backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+    }
+
+    // 4. Alien child widget which is made full-screen
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::red);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::blue);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+
+    // Make child widget full screen
+    child.setWindowFlags((child.windowFlags() | Qt::Window) ^ Qt::SubWindow);
+    child.setWindowState(child.windowState() | Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that child window obscures parent window
+    QVERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Now that extent of child widget goes beyond parent's extent,
+    // a new backing store should be created for the child widget.
+    QVERIFY(0 != backingStore(child));
+
+    // Parent is obscured, therefore its backing store should be destroyed
+    QVERIFY(0 == backingStore(parent));
+
+    // Disable full screen
+    child.setWindowFlags(child.windowFlags() ^ (Qt::Window | Qt::SubWindow));
+    child.setWindowState(child.windowState() ^ Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that parent is now visible again
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should once again share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(child));
+    }
+
+    // 5. Native child widget which is made full-screen
+    {
+    QWidget parent;
+    parent.setGeometry(0, 0, 100, 100);
+    parent.setAutoFillBackground(true);
+    parent.setPalette(Qt::red);
+
+    QWidget child(&parent);
+    child.setAutoFillBackground(true);
+    child.setPalette(Qt::blue);
+
+    QVBoxLayout layout(&parent);
+    layout.setContentsMargins(10, 10, 10, 10);
+    layout.addWidget(&child);
+    parent.setLayout(&layout);
+
+    child.winId();
+
+    parent.show();
+    QTest::qWaitForWindowShown(&parent);
+
+    // Check that child window does not obscure parent window
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QVERIFY(0 == backingStore(child));
+
+    // Make child widget full screen
+    child.setWindowFlags((child.windowFlags() | Qt::Window) ^ Qt::SubWindow);
+    child.setWindowState(child.windowState() | Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Ensure that 'window hidden' event is received by parent
+    qApp->processEvents();
+
+    // Check that child window obscures parent window
+    QVERIFY(parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Now that extent of child widget goes beyond parent's extent,
+    // a new backing store should be created for the child widget.
+    QVERIFY(0 != backingStore(child));
+
+    // Parent is obscured, therefore its backing store should be destroyed
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(parent));
+
+    // Disable full screen
+    child.setWindowFlags(child.windowFlags() ^ (Qt::Window | Qt::SubWindow));
+    child.setWindowState(child.windowState() ^ Qt::WindowFullScreen);
+    child.show();
+    QTest::qWaitForWindowShown(&child);
+
+    // Check that parent is now visible again
+    QVERIFY(!parent.visibleRegion().subtracted(child.visibleRegion()).isEmpty());
+
+    // Native child widget should once again share parent's backing store
+    QVERIFY(0 != backingStore(parent));
+    QEXPECT_FAIL("", "QTBUG-10643", Continue);
+    QVERIFY(0 == backingStore(child));
+    }
+}
+
+#undef WAIT_AND_VERIFY
+
 void tst_QWidget::rectOutsideCoordinatesLimit_task144779()
 {
 #ifdef Q_OS_WINCE_WM
@@ -10000,15 +10245,12 @@ class scrollWidgetWBS : public QWidget
 public:
     void deleteBackingStore()
     {
-        if (static_cast<QWidgetPrivate*>(d_ptr.data())->maybeBackingStore()) {
-            delete static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore;
-            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore = 0;
-        }
+        static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore.destroy();
     }
     void enableBackingStore()
     {
         if (!static_cast<QWidgetPrivate*>(d_ptr.data())->maybeBackingStore()) {
-            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore = new QWidgetBackingStore(this);
+            static_cast<QWidgetPrivate*>(d_ptr.data())->topData()->backingStore.create(this);
             static_cast<QWidgetPrivate*>(d_ptr.data())->invalidateBuffer(this->rect());
             repaint();
         }