Merge branch 'master' of git://scm.dev.nokia.troll.no/qt/qt-fire-team

* 'master' of git://scm.dev.nokia.troll.no/qt/qt-fire-team: (69 commits)
  Resolve font alias before testing for exact matching
  Always prepend drive letter to $$EPOCROOT in Windows Symbian builds
  Add files deployed using qmake_emulator_deployment.flm to 'what' list
  QRuntimeWindowSystem: Track window size properly
  Fix QTBUG-17627: build break in mobility bearer applications
  Add the missing image for doc of QNetworkSession.
  Remove Qt dependancy to SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
  Fix QPlainTextEdit corruption/crash with scrolling
  Add expected failures for JSC-specific bugs
  Make autotest insensitive to exact JS error wording
  Fix typo in autotest
  Link expected failures to tasks
  DelayRemove of list delegate on section boundary duplicated section
  add gsm to connectable bearer for networkmanager.
  ListView and GridView indexAt should use qreal coordinates.
  Prevent infinite loop in raster engine on zero dash pattern length.
  Fixed wrong reference to bld.inf in the package_definition.xml file
  Cocoa: Sheets looses focus when moving parent window
  Removing tabs from 7388fcb83592a90aace054314e0c3e7e7a94fdae changeset
  Fix QNetworkConfigurationManager crash due to null private pointer.
  ...

17 files changed, 163 insertions, 54 deletions

diff --git a/src/gui/itemviews/qtreeview.cpp b/src/gui/itemviews/qtreeview.cpp
index d03babb..21c9d3b 100644
--- a/src/gui/itemviews/qtreeview.cpp
+++ b/src/gui/itemviews/qtreeview.cpp
@@ -2744,6 +2744,7 @@ int QTreeView::indexRowSizeHint(const QModelIndex &index) const
 
     int start = -1;
     int end = -1;
+    int indexRow = index.row();
     int count = d->header->count();
     bool emptyHeader = (count == 0);
     QModelIndex parent = index.parent();
@@ -2780,7 +2781,7 @@ int QTreeView::indexRowSizeHint(const QModelIndex &index) const
         int logicalColumn = emptyHeader ? column : d->header->logicalIndex(column);
         if (d->header->isSectionHidden(logicalColumn))
             continue;
-        QModelIndex idx = d->model->index(index.row(), logicalColumn, parent);
+        QModelIndex idx = d->model->index(indexRow, logicalColumn, parent);
         if (idx.isValid()) {
             QWidget *editor = d->editorForIndex(idx).widget.data();
             if (editor && d->persistent.contains(editor)) {
@@ -3215,14 +3216,14 @@ int QTreeViewPrivate::itemHeight(int item) const
     if (viewItems.isEmpty())
         return 0;
     const QModelIndex &index = viewItems.at(item).index;
+    if (!index.isValid())
+        return 0;
     int height = viewItems.at(item).height;
-    if (height <= 0 && index.isValid()) {
+    if (height <= 0) {
         height = q_func()->indexRowSizeHint(index);
         viewItems[item].height = height;
     }
-    if (!index.isValid() || height < 0)
-        return 0;
-    return height;
+    return qMax(height, 0);
 }
 
 
diff --git a/src/gui/kernel/qapplication_s60.cpp b/src/gui/kernel/qapplication_s60.cpp
index 6e7b9a7..586869a 100644
--- a/src/gui/kernel/qapplication_s60.cpp
+++ b/src/gui/kernel/qapplication_s60.cpp
@@ -87,7 +87,7 @@
 #include <hal.h>
 #include <hal_data.h>
 
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
 #include <graphics/wstfxconst.h>
 #endif
 
@@ -432,7 +432,7 @@ void QSymbianControl::ConstructL(bool isWindowOwning, bool desktop)
         DrawableWindow()->SetPointerGrab(ETrue);
     }
 
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
     if (OwnsWindow()) {
         TTfxWindowPurpose windowPurpose(ETfxPurposeNone);
         switch (qwidget->windowType()) {
@@ -1588,7 +1588,7 @@ void qt_init(QApplicationPrivate * /* priv */, int)
     systemFont.setFamily(systemFont.defaultFamily());
     QApplicationPrivate::setSystemFont(systemFont);
 
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
     QObject::connect(qApp, SIGNAL(aboutToQuit()), qApp, SLOT(_q_aboutToQuit()));
 #endif
 
@@ -1695,7 +1695,7 @@ bool QApplicationPrivate::modalState()
 
 void QApplicationPrivate::enterModal_sys(QWidget *widget)
 {
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
     S60->wsSession().SendEffectCommand(ETfxCmdAppModalModeEnter);
 #endif
     if (widget) {
@@ -1713,7 +1713,7 @@ void QApplicationPrivate::enterModal_sys(QWidget *widget)
 
 void QApplicationPrivate::leaveModal_sys(QWidget *widget)
 {
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
     S60->wsSession().SendEffectCommand(ETfxCmdAppModalModeExit);
 #endif
     if (widget) {
@@ -2401,7 +2401,7 @@ void QApplication::restoreOverrideCursor()
 
 void QApplicationPrivate::_q_aboutToQuit()
 {
-#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS
+#ifdef Q_SYMBIAN_TRANSITION_EFFECTS
     // Send the shutdown tfx command
     S60->wsSession().SendEffectCommand(ETfxCmdAppShutDown);
 #endif
diff --git a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
index 1c9258a..c4b74c6 100644
--- a/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
+++ b/src/gui/kernel/qcocoasharedwindowmethods_mac_p.h
@@ -88,6 +88,8 @@ QT_END_NAMESPACE
     QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
     if (!widget)
         return NO; // This should happen only for qt_root_win
+    if (QApplicationPrivate::isBlockedByModal(widget))
+        return NO;
 
     bool isToolTip = (widget->windowType() == Qt::ToolTip);
     bool isPopup = (widget->windowType() == Qt::Popup);
@@ -99,6 +101,8 @@ QT_END_NAMESPACE
     QWidget *widget = [self QT_MANGLE_NAMESPACE(qt_qwidget)];
     if (!widget)
         return NO; // This should happen only for qt_root_win
+    if ([self isSheet])
+        return NO;
 
     bool isToolTip = (widget->windowType() == Qt::ToolTip);
     bool isPopup = (widget->windowType() == Qt::Popup);
diff --git a/src/gui/kernel/qcocoaview_mac.mm b/src/gui/kernel/qcocoaview_mac.mm
index 3d87a9e..ff2dfe7 100644
--- a/src/gui/kernel/qcocoaview_mac.mm
+++ b/src/gui/kernel/qcocoaview_mac.mm
@@ -797,7 +797,7 @@ static int qCocoaViewCount = 0;
 - (BOOL)resignFirstResponder
 {
     if (!qwidget)
-        return NO;
+        return YES;
 
     // Seems like the following test only triggers if this
     // view is inside a QMacNativeWidget:
diff --git a/src/gui/kernel/qt_cocoa_helpers_mac.mm b/src/gui/kernel/qt_cocoa_helpers_mac.mm
index c8132e8..98f62ca 100644
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -1627,6 +1627,7 @@ void qt_mac_constructQIconFromIconRef(const IconRef icon, const IconRef overlayI
 #ifdef QT_MAC_USE_COCOA
 void qt_mac_menu_collapseSeparators(void */*NSMenu **/ theMenu, bool collapse)
 {
+    QMacCocoaAutoReleasePool pool;
     OSMenuRef menu = static_cast<OSMenuRef>(theMenu);
     if (collapse) {
         bool previousIsSeparator = true; // setting to true kills all the separators placed at the top.
diff --git a/src/gui/painting/qgraphicssystem_runtime.cpp b/src/gui/painting/qgraphicssystem_runtime.cpp
index 0294c4b..5841d40 100644
--- a/src/gui/painting/qgraphicssystem_runtime.cpp
+++ b/src/gui/painting/qgraphicssystem_runtime.cpp
@@ -285,6 +285,7 @@ void QRuntimeWindowSurface::flush(QWidget *widget, const QRegion &region,
 
 void QRuntimeWindowSurface::setGeometry(const QRect &rect)
 {
+    QWindowSurface::setGeometry(rect);
     m_windowSurface->setGeometry(rect);
 }
 
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 5513010..9242fb6 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -3716,6 +3716,13 @@ void QRasterPaintEnginePrivate::rasterizeLine_dashed(QLineF line,
     const bool squareCap = (pen.capStyle() == Qt::SquareCap);
     const QVector<qreal> pattern = pen.dashPattern();
 
+    qreal patternLength = 0;
+    for (int i = 0; i < pattern.size(); ++i)
+        patternLength += pattern.at(i);
+
+    if (patternLength <= 0)
+        return;
+
     qreal length = line.length();
     Q_ASSERT(length > 0);
     while (length > 0) {
diff --git a/src/gui/statemachine/qguistatemachine.cpp b/src/gui/statemachine/qguistatemachine.cpp
index eadb8ff..2a0de3c 100644
--- a/src/gui/statemachine/qguistatemachine.cpp
+++ b/src/gui/statemachine/qguistatemachine.cpp
@@ -404,6 +404,7 @@ static QEvent *cloneEvent(QEvent *e)
         we2->setButtons(we->buttons());
         we2->setModifiers(we->modifiers());
         we2->setOrientation(we->orientation());
+        we2->setDelta(we->delta());
         return we2;
     }
 #endif
diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index 084b7ac..64eb27a 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -139,6 +139,9 @@ bool QFontDef::exactMatch(const QFontDef &other) const
     QFontDatabase::parseFontName(family, this_foundry, this_family);
     QFontDatabase::parseFontName(other.family, other_foundry, other_family);
 
+    this_family = QFontDatabase::resolveFontFamilyAlias(this_family);
+    other_family = QFontDatabase::resolveFontFamilyAlias(other_family);
+
     return (styleHint     == other.styleHint
             && styleStrategy == other.styleStrategy
             && weight        == other.weight
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index 8e92b1a..1e94bf5 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -1087,6 +1087,12 @@ QT_BEGIN_INCLUDE_NAMESPACE
 #elif defined(Q_OS_SYMBIAN)
 #  include "qfontdatabase_s60.cpp"
 #endif
+#if !defined(Q_WS_X11)
+QString QFontDatabase::resolveFontFamilyAlias(const QString &family)
+{
+    return family;
+}
+#endif
 QT_END_INCLUDE_NAMESPACE
 
 static QtFontStyle *bestStyle(QtFontFoundry *foundry, const QtFontStyle::Key &styleKey)
diff --git a/src/gui/text/qfontdatabase.h b/src/gui/text/qfontdatabase.h
index 3e9483b..ae1130e 100644
--- a/src/gui/text/qfontdatabase.h
+++ b/src/gui/text/qfontdatabase.h
@@ -152,6 +152,7 @@ public:
 private:
     static void createDatabase();
     static void parseFontName(const QString &name, QString &foundry, QString &family);
+    static QString resolveFontFamilyAlias(const QString &family);
 #if defined(Q_WS_QWS) || defined(Q_WS_QPA) || defined(Q_OS_SYMBIAN)
     static QFontEngine *findFont(int script, const QFontPrivate *fp, const QFontDef &request);
 #endif
diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index f923d87..02b0148 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -2120,4 +2120,26 @@ bool QFontDatabase::supportsThreadedFontRendering()
 #endif
 }
 
+QString QFontDatabase::resolveFontFamilyAlias(const QString &family)
+{
+#if defined(QT_NO_FONTCONFIG)
+    return family;
+#else
+    FcPattern *pattern = FcPatternCreate();
+    if (!pattern)
+        return family;
+
+    FcPatternAddString(pattern, FC_FAMILY, (const FcChar8 *) family.toUtf8().data());
+    FcConfigSubstitute(0, pattern, FcMatchPattern);
+    FcDefaultSubstitute(pattern);
+
+    FcChar8 *familyAfterSubstitution;
+    FcPatternGetString(pattern, FC_FAMILY, 0, &familyAfterSubstitution);
+    QString resolved = QString::fromUtf8((const char *) familyAfterSubstitution);
+    FcPatternDestroy(pattern);
+
+    return resolved;
+#endif
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index e15c06d..46f1d62 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -933,15 +933,18 @@ void QTextControl::processEvent(QEvent *e, const QMatrix &matrix, QWidget *conte
             break; }
         case QEvent::MouseMove: {
             QMouseEvent *ev = static_cast<QMouseEvent *>(e);
-            d->mouseMoveEvent(ev->buttons(), matrix.map(ev->pos()));
+            d->mouseMoveEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+                              ev->buttons(), ev->globalPos());
             break; }
         case QEvent::MouseButtonRelease: {
             QMouseEvent *ev = static_cast<QMouseEvent *>(e);
-            d->mouseReleaseEvent(ev->button(), matrix.map(ev->pos()));
+            d->mouseReleaseEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+                                 ev->buttons(), ev->globalPos());
             break; }
         case QEvent::MouseButtonDblClick: {
             QMouseEvent *ev = static_cast<QMouseEvent *>(e);
-            d->mouseDoubleClickEvent(e, ev->button(), matrix.map(ev->pos()));
+            d->mouseDoubleClickEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+                                     ev->buttons(), ev->globalPos());
             break; }
         case QEvent::InputMethod:
             d->inputMethodEvent(static_cast<QInputMethodEvent *>(e));
@@ -1001,15 +1004,18 @@ void QTextControl::processEvent(QEvent *e, const QMatrix &matrix, QWidget *conte
             break; }
         case QEvent::GraphicsSceneMouseMove: {
             QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
-            d->mouseMoveEvent(ev->buttons(), matrix.map(ev->pos()));
+            d->mouseMoveEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+                              ev->screenPos());
             break; }
         case QEvent::GraphicsSceneMouseRelease: {
             QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
-            d->mouseReleaseEvent(ev->button(), matrix.map(ev->pos()));
+            d->mouseReleaseEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+                                 ev->screenPos());
             break; }
         case QEvent::GraphicsSceneMouseDoubleClick: {
             QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
-            d->mouseDoubleClickEvent(e, ev->button(), matrix.map(ev->pos()));
+            d->mouseDoubleClickEvent(ev, ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+                                     ev->screenPos());
             break; }
         case QEvent::GraphicsSceneContextMenu: {
             QGraphicsSceneContextMenuEvent *ev = static_cast<QGraphicsSceneContextMenuEvent *>(e);
@@ -1018,7 +1024,8 @@ void QTextControl::processEvent(QEvent *e, const QMatrix &matrix, QWidget *conte
 
         case QEvent::GraphicsSceneHoverMove: {
             QGraphicsSceneHoverEvent *ev = static_cast<QGraphicsSceneHoverEvent *>(e);
-            d->mouseMoveEvent(Qt::NoButton, matrix.map(ev->pos()));
+            d->mouseMoveEvent(ev, Qt::NoButton, matrix.map(ev->pos()), ev->modifiers(),Qt::NoButton,
+                              ev->screenPos());
             break; }
 
         case QEvent::GraphicsSceneDragEnter: {
@@ -1488,6 +1495,11 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
 {
     Q_Q(QTextControl);
 
+    if (sendMouseEventToInputContext(
+            e, QEvent::MouseButtonPress, button, pos, modifiers, buttons, globalPos)) {
+        return;
+    }
+
     if (interactionFlags & Qt::LinksAccessibleByMouse) {
         anchorOnMousePress = q->anchorAt(pos);
 
@@ -1530,22 +1542,7 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
             return;
         }
 
-#if !defined(QT_NO_IM)
-        QTextLayout *layout = cursor.block().layout();
-        if (contextWidget && layout && !layout->preeditAreaText().isEmpty()) {
-            QInputContext *ctx = inputContext();
-            if (ctx) {
-                QMouseEvent ev(QEvent::MouseButtonPress, contextWidget->mapFromGlobal(globalPos), globalPos,
-                               button, buttons, modifiers);
-                ctx->mouseHandler(cursorPos - cursor.position(), &ev);
-            }
-            if (!layout->preeditAreaText().isEmpty()) {
-                e->ignore();
-                return;
-            }
-        }
-#endif
-        if (modifiers == Qt::ShiftModifier) {
+        if (modifiers == Qt::ShiftModifier && (interactionFlags & Qt::TextSelectableByMouse)) {
             if (wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) {
                 selectedWordOnDoubleClick = cursor;
                 selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor);
@@ -1590,10 +1587,16 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
     hadSelectionOnMousePress = cursor.hasSelection();
 }
 
-void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF &mousePos)
+void QTextControlPrivate::mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &mousePos, Qt::KeyboardModifiers modifiers,
+                                         Qt::MouseButtons buttons, const QPoint &globalPos)
 {
     Q_Q(QTextControl);
 
+    if (sendMouseEventToInputContext(
+            e, QEvent::MouseMove, button, mousePos, modifiers, buttons, globalPos)) {
+        return;
+    }
+
     if (interactionFlags & Qt::LinksAccessibleByMouse) {
         QString anchor = q->anchorAt(mousePos);
         if (anchor != highlightedAnchor) {
@@ -1623,12 +1626,6 @@ void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF
     }
     const qreal mouseX = qreal(mousePos.x());
 
-#if !defined(QT_NO_IM)
-    QTextLayout *layout = cursor.block().layout();
-    if (layout && !layout->preeditAreaText().isEmpty())
-        return;
-#endif
-
     int newCursorPos = q->hitTest(mousePos, Qt::FuzzyHit);
     if (newCursorPos == -1)
         return;
@@ -1642,7 +1639,7 @@ void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF
         extendBlockwiseSelection(newCursorPos);
     else if (selectedWordOnDoubleClick.hasSelection())
         extendWordwiseSelection(newCursorPos, mouseX);
-    else
+    else if (interactionFlags & Qt::TextSelectableByMouse)
         setCursorPosition(newCursorPos, QTextCursor::KeepAnchor);
 
     if (interactionFlags & Qt::TextEditable) {
@@ -1666,10 +1663,16 @@ void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF
     repaintOldAndNewSelection(oldSelection);
 }
 
-void QTextControlPrivate::mouseReleaseEvent(Qt::MouseButton button, const QPointF &pos)
+void QTextControlPrivate::mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+                                            Qt::MouseButtons buttons, const QPoint &globalPos)
 {
     Q_Q(QTextControl);
 
+    if (sendMouseEventToInputContext(
+            e, QEvent::MouseButtonRelease, button, pos, modifiers, buttons, globalPos)) {
+        return;
+    }
+
     const QTextCursor oldSelection = cursor;
     const int oldCursorPos = cursor.position();
 
@@ -1727,19 +1730,21 @@ void QTextControlPrivate::mouseReleaseEvent(Qt::MouseButton button, const QPoint
     }
 }
 
-void QTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos)
+void QTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+                                                Qt::MouseButtons buttons, const QPoint &globalPos)
 {
     Q_Q(QTextControl);
+
+    if (sendMouseEventToInputContext(
+            e, QEvent::MouseButtonDblClick, button, pos, modifiers, buttons, globalPos)) {
+        return;
+    }
+
     if (button != Qt::LeftButton
         || !(interactionFlags & Qt::TextSelectableByMouse)) {
         e->ignore();
         return;
     }
-#if !defined(QT_NO_IM)
-    QTextLayout *layout = cursor.block().layout();
-    if (layout && !layout->preeditAreaText().isEmpty())
-        return;
-#endif
 
 #ifndef QT_NO_DRAGANDDROP
     mightStartDrag = false;
@@ -1768,6 +1773,45 @@ void QTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton butto
     }
 }
 
+bool QTextControlPrivate::sendMouseEventToInputContext(
+        QEvent *e, QEvent::Type eventType, Qt::MouseButton button, const QPointF &pos,
+        Qt::KeyboardModifiers modifiers, Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+#if !defined(QT_NO_IM)
+    Q_Q(QTextControl);
+
+    QTextLayout *layout = cursor.block().layout();
+    if (contextWidget && layout && !layout->preeditAreaText().isEmpty()) {
+        QInputContext *ctx = inputContext();
+        int cursorPos = q->hitTest(pos, Qt::FuzzyHit) - cursor.position();
+
+        if (cursorPos < 0 || cursorPos > layout->preeditAreaText().length()) {
+            cursorPos = -1;
+            // don't send move events outside the preedit area
+            if (eventType == QEvent::MouseMove)
+                return true;
+        }
+        if (ctx) {
+            QMouseEvent ev(eventType, contextWidget->mapFromGlobal(globalPos), globalPos,
+                           button, buttons, modifiers);
+            ctx->mouseHandler(cursorPos, &ev);
+            e->setAccepted(ev.isAccepted());
+        }
+        if (!layout->preeditAreaText().isEmpty())
+            return true;
+    }
+#else
+    Q_UNUSED(e);
+    Q_UNUSED(eventType);
+    Q_UNUSED(button);
+    Q_UNUSED(pos);
+    Q_UNUSED(modifiers);
+    Q_UNUSED(buttons);
+    Q_UNUSED(globalPos);
+#endif
+    return false;
+}
+
 void QTextControlPrivate::contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget)
 {
 #ifdef QT_NO_CONTEXTMENU
diff --git a/src/gui/text/qtextcontrol_p_p.h b/src/gui/text/qtextcontrol_p_p.h
index ecd13ea..94670e2 100644
--- a/src/gui/text/qtextcontrol_p_p.h
+++ b/src/gui/text/qtextcontrol_p_p.h
@@ -135,9 +135,23 @@ public:
                          Qt::KeyboardModifiers modifiers,
                          Qt::MouseButtons buttons,
                          const QPoint &globalPos);
-    void mouseMoveEvent(Qt::MouseButtons buttons, const QPointF &pos);
-    void mouseReleaseEvent(Qt::MouseButton button, const QPointF &pos);
-    void mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos);
+    void mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
+                        Qt::KeyboardModifiers modifiers,
+                        Qt::MouseButtons buttons,
+                        const QPoint &globalPos);
+    void mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
+                           Qt::KeyboardModifiers modifiers,
+                           Qt::MouseButtons buttons,
+                           const QPoint &globalPos);
+    void mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
+                               Qt::KeyboardModifiers modifiers,
+                               Qt::MouseButtons buttons,
+                               const QPoint &globalPos);
+    bool sendMouseEventToInputContext(QEvent *e,  QEvent::Type eventType, Qt::MouseButton button,
+                                      const QPointF &pos,
+                                      Qt::KeyboardModifiers modifiers,
+                                      Qt::MouseButtons buttons,
+                                      const QPoint &globalPos);
     void contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget);
     void focusEvent(QFocusEvent *e);
 #ifdef QT_KEYPAD_NAVIGATION
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 4b95000..023b9ee 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -456,6 +456,7 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
 #ifndef QT_NO_IM
     setPreeditArea(m_cursor, event->preeditString());
 #endif //QT_NO_IM
+    const int oldPreeditCursor = m_preeditCursor;
     m_preeditCursor = event->preeditString().length();
     m_hideCursor = false;
     QList<QTextLayout::FormatRange> formats;
@@ -479,6 +480,8 @@ void QLineControl::processInputMethodEvent(QInputMethodEvent *event)
     updateDisplayText(/*force*/ true);
     if (cursorPositionChanged)
         emitCursorPositionChanged();
+    else if (m_preeditCursor != oldPreeditCursor)
+        emit updateMicroFocus();
     if (isGettingInput)
         finishChange(priorState);
 }
diff --git a/src/gui/widgets/qlinecontrol_p.h b/src/gui/widgets/qlinecontrol_p.h
index bfe50fe..3c505c8 100644
--- a/src/gui/widgets/qlinecontrol_p.h
+++ b/src/gui/widgets/qlinecontrol_p.h
@@ -425,6 +425,7 @@ Q_SIGNALS:
     void textEdited(const QString &);
 
     void resetInputContext();
+    void updateMicroFocus();
 
     void accepted();
     void editingFinished();
diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp
index d3af9e1..7435691 100644
--- a/src/gui/widgets/qplaintextedit.cpp
+++ b/src/gui/widgets/qplaintextedit.cpp
@@ -967,7 +967,7 @@ void QPlainTextEditPrivate::_q_adjustScrollbars()
                     ++lineNumber;
                 }
                 if (lineNumber < layoutLineCount)
-                    visibleFromBottom += (layoutLineCount - lineNumber - 1);
+                    visibleFromBottom += (layoutLineCount - lineNumber);
                 break;
 
             }