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

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml: (172 commits)
  Don't accept input methods when a TextEdit or TextInput is read only.
  Correct error message
  On windows xp using a higher port makes the declarativedebug* tests work
  Correct assert
  Update QDeclarative DEF files for Symbian
  Export QDeclarativeRefCount so that symbian compiles.
  Make Flickable's wheel handling more like QAbstractScrollArea.
  Changing header or footer failed to delete the previous.
  Avoid index-out-of bounds related crash in Grid
  Move Qt.application docs into Qt global object page
  Add initial size to ListView in FolderListModel example
  update What's New for QtQuick 1.1 and AnimatedImage docs
  Improve docs on Item::visible and Item::opacity
  Make sure we update Loader size if item size changes after creation.
  Froze two more symbols and fixed compilation error (QtQuick11).
  PinchArea sometimes failed.
  Froze Symbian def files for QtQuick11.
  Clarify that IntValidator performs locale specific validation.
  Add a mouseSelectionMode property to TextEdit and TextInput.
  Add missing versioning tests for new QtQuick 1.1 properties/methods.
  ...

7 files changed, 82 insertions, 15 deletions

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 52e4d79..f463887 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -7689,11 +7689,13 @@ void QGraphicsObject::updateMicroFocus()
 
 void QGraphicsItemPrivate::children_append(QDeclarativeListProperty<QGraphicsObject> *list, QGraphicsObject *item)
 {
-    QGraphicsObject *graphicsObject = static_cast<QGraphicsObject *>(list->object);
-    if (QGraphicsItemPrivate::get(graphicsObject)->sendParentChangeNotification) {
-        item->setParentItem(graphicsObject);
-    } else {
-        QGraphicsItemPrivate::get(item)->setParentItemHelper(graphicsObject, 0, 0);
+    if (item) {
+        QGraphicsObject *graphicsObject = static_cast<QGraphicsObject *>(list->object);
+        if (QGraphicsItemPrivate::get(graphicsObject)->sendParentChangeNotification) {
+            item->setParentItem(graphicsObject);
+        } else {
+            QGraphicsItemPrivate::get(item)->setParentItemHelper(graphicsObject, 0, 0);
+        }
     }
 }
 
diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 58bfbc6..e380b37 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -114,6 +114,7 @@ static QTextLine currentTextLine(const QTextCursor &cursor)
 QTextControlPrivate::QTextControlPrivate()
     : doc(0), cursorOn(false), cursorIsFocusIndicator(false),
       interactionFlags(Qt::TextEditorInteraction),
+      dragEnabled(true),
 #ifndef QT_NO_DRAGANDDROP
       mousePressed(false), mightStartDrag(false),
 #endif
@@ -128,7 +129,8 @@ QTextControlPrivate::QTextControlPrivate()
       isEnabled(true),
       hadSelectionOnMousePress(false),
       ignoreUnusedNavigationEvents(false),
-      openExternalLinks(false)
+      openExternalLinks(false),
+      wordSelectionEnabled(false)
 {}
 
 bool QTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e)
@@ -1543,15 +1545,21 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
         }
 #endif
         if (modifiers == Qt::ShiftModifier) {
+            if (wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) {
+                selectedWordOnDoubleClick = cursor;
+                selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor);
+            }
+
             if (selectedBlockOnTrippleClick.hasSelection())
                 extendBlockwiseSelection(cursorPos);
             else if (selectedWordOnDoubleClick.hasSelection())
                 extendWordwiseSelection(cursorPos, pos.x());
-            else
+            else if (wordSelectionEnabled)
                 setCursorPosition(cursorPos, QTextCursor::KeepAnchor);
         } else {
 
-            if (cursor.hasSelection()
+            if (dragEnabled
+                && cursor.hasSelection()
                 && !cursorIsFocusIndicator
                 && cursorPos >= cursor.selectionStart()
                 && cursorPos <= cursor.selectionEnd()
@@ -1624,6 +1632,11 @@ void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF
     if (newCursorPos == -1)
         return;
 
+    if (wordSelectionEnabled && !selectedWordOnDoubleClick.hasSelection()) {
+        selectedWordOnDoubleClick = cursor;
+        selectedWordOnDoubleClick.select(QTextCursor::WordUnderCursor);
+    }
+
     if (selectedBlockOnTrippleClick.hasSelection())
         extendBlockwiseSelection(newCursorPos);
     else if (selectedWordOnDoubleClick.hasSelection())
@@ -2328,6 +2341,31 @@ bool QTextControl::cursorIsFocusIndicator() const
     return d->cursorIsFocusIndicator;
 }
 
+
+void QTextControl::setDragEnabled(bool enabled)
+{
+    Q_D(QTextControl);
+    d->dragEnabled = enabled;
+}
+
+bool QTextControl::isDragEnabled() const
+{
+    Q_D(const QTextControl);
+    return d->dragEnabled;
+}
+
+void QTextControl::setWordSelectionEnabled(bool enabled)
+{
+    Q_D(QTextControl);
+    d->wordSelectionEnabled = enabled;
+}
+
+bool QTextControl::isWordSelectionEnabled() const
+{
+    Q_D(const QTextControl);
+    return d->wordSelectionEnabled;
+}
+
 #ifndef QT_NO_PRINTER
 void QTextControl::print(QPrinter *printer) const
 {
diff --git a/src/gui/text/qtextcontrol_p.h b/src/gui/text/qtextcontrol_p.h
index 6540f4f..31fa843 100644
--- a/src/gui/text/qtextcontrol_p.h
+++ b/src/gui/text/qtextcontrol_p.h
@@ -175,6 +175,12 @@ public:
     void setCursorIsFocusIndicator(bool b);
     bool cursorIsFocusIndicator() const;
 
+    void setDragEnabled(bool enabled);
+    bool isDragEnabled() const;
+
+    bool isWordSelectionEnabled() const;
+    void setWordSelectionEnabled(bool enabled);
+
 #ifndef QT_NO_PRINTER
     void print(QPrinter *printer) const;
 #endif
@@ -183,8 +189,6 @@ public:
     virtual QRectF blockBoundingRect(const QTextBlock &block) const;
     QAbstractTextDocumentLayout::PaintContext getPaintContext(QWidget *widget) const;
 
-
-
 public Q_SLOTS:
     void setPlainText(const QString &text);
     void setHtml(const QString &text);
diff --git a/src/gui/text/qtextcontrol_p_p.h b/src/gui/text/qtextcontrol_p_p.h
index 04f4c75..ecd13ea 100644
--- a/src/gui/text/qtextcontrol_p_p.h
+++ b/src/gui/text/qtextcontrol_p_p.h
@@ -174,6 +174,8 @@ public:
     QBasicTimer trippleClickTimer;
     QPointF trippleClickPoint;
 
+    bool dragEnabled;
+
     bool mousePressed;
 
     bool mightStartDrag;
@@ -209,6 +211,8 @@ public:
     bool ignoreUnusedNavigationEvents;
     bool openExternalLinks;
 
+    bool wordSelectionEnabled;
+
     QString linkToCopy;
     void _q_copyLink();
     void _q_updateBlock(const QTextBlock &);
diff --git a/src/gui/text/qtextdocumentlayout.cpp b/src/gui/text/qtextdocumentlayout.cpp
index d721c91..c1c3768 100644
--- a/src/gui/text/qtextdocumentlayout.cpp
+++ b/src/gui/text/qtextdocumentlayout.cpp
@@ -513,6 +513,9 @@ public:
 
     qreal scaleToDevice(qreal value) const;
     QFixed scaleToDevice(QFixed value) const;
+
+    qreal lineH;
+    QTextDocumentLayout::LineHeightMode lineHeightMode;
 };
 
 QTextDocumentLayoutPrivate::QTextDocumentLayoutPrivate()
@@ -520,7 +523,9 @@ QTextDocumentLayoutPrivate::QTextDocumentLayoutPrivate()
       cursorWidth(1),
       currentLazyLayoutPosition(-1),
       lazyLayoutStepSize(1000),
-      lastPageCount(-1)
+      lastPageCount(-1),
+      lineH(1),
+      lineHeightMode(QTextDocumentLayout::MultiplyHeight)
 {
     showLayoutProgress = true;
     insideDocumentChange = false;
@@ -2639,7 +2644,8 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
 
             }
 
-            QFixed lineHeight = QFixed::fromReal(line.height());
+            QFixed lineHeight = (lineHeightMode == QTextDocumentLayout::PixelHeight) ? QFixed::fromReal(lineH) : QFixed::fromReal(line.height() * lineH);
+
             if (layoutStruct->pageHeight > 0 && layoutStruct->absoluteY() + lineHeight > layoutStruct->pageBottom) {
                 layoutStruct->newPage();
 
@@ -2714,6 +2720,13 @@ void QTextDocumentLayoutPrivate::layoutBlock(const QTextBlock &bl, int blockPosi
     }
 }
 
+void QTextDocumentLayout::setLineHeight(qreal lineH, QTextDocumentLayout::LineHeightMode mode = QTextDocumentLayout::MultiplyHeight)
+{
+    Q_D(QTextDocumentLayout);
+    d->lineH = lineH;
+    d->lineHeightMode = mode;
+}
+
 void QTextDocumentLayoutPrivate::floatMargins(const QFixed &y, const QTextLayoutStruct *layoutStruct,
                                               QFixed *left, QFixed *right) const
 {
diff --git a/src/gui/text/qtextdocumentlayout_p.h b/src/gui/text/qtextdocumentlayout_p.h
index 3c0383c..efc408b 100644
--- a/src/gui/text/qtextdocumentlayout_p.h
+++ b/src/gui/text/qtextdocumentlayout_p.h
@@ -63,7 +63,7 @@ class QTextListFormat;
 
 class QTextDocumentLayoutPrivate;
 
-class Q_AUTOTEST_EXPORT QTextDocumentLayout : public QAbstractTextDocumentLayout
+class Q_GUI_EXPORT QTextDocumentLayout : public QAbstractTextDocumentLayout
 {
     Q_DECLARE_PRIVATE(QTextDocumentLayout)
     Q_OBJECT
@@ -109,6 +109,9 @@ protected:
     void drawInlineObject(QPainter *p, const QRectF &rect, QTextInlineObject item,
                           int posInDocument, const QTextFormat &format);
     virtual void timerEvent(QTimerEvent *e);
+    enum LineHeightMode { MultiplyHeight, PixelHeight };
+    void setLineHeight(qreal lineHeight, QTextDocumentLayout::LineHeightMode mode);
+
 private:
     QRectF doLayout(int from, int oldLength, int length);
     void layoutFinished();
diff --git a/src/gui/widgets/qlinecontrol.cpp b/src/gui/widgets/qlinecontrol.cpp
index 0da4f6a..c7a3913 100644
--- a/src/gui/widgets/qlinecontrol.cpp
+++ b/src/gui/widgets/qlinecontrol.cpp
@@ -541,10 +541,13 @@ void QLineControl::draw(QPainter *painter, const QPoint &offset, const QRect &cl
 */
 void QLineControl::selectWordAtPos(int cursor)
 {
-    int c = m_textLayout.previousCursorPosition(cursor, QTextLayout::SkipWords);
+    int next = cursor + 1;
+    if(next > end())
+        --next;
+    int c = m_textLayout.previousCursorPosition(next, QTextLayout::SkipWords);
     moveCursor(c, false);
     // ## text layout should support end of words.
-    int end = m_textLayout.nextCursorPosition(cursor, QTextLayout::SkipWords);
+    int end = m_textLayout.nextCursorPosition(c, QTextLayout::SkipWords);
     while (end > cursor && m_text[end-1].isSpace())
         --end;
     moveCursor(end, true);