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: (151 commits)
  expect fail for some PinchArea tests on mac
  Allow functions to be passed in as values for grouped properties
  Fix lineHeight autotests.
  Update Docs, Examples and Demos for new CreateObject overloadable
  Adding support for group properties in Component::CreateObject()
  Update test, versioning is fixed so expect-fail no longer needed
  Test failure fixed - remove XFAIL
  photoviewer needs QtQuick 1.1 for Image::cache
  disable some pincharea tests on mac temporarily
  Fix failing test on mac for Qt.application
  Fix test breakage for qdeclarativeworkerscript
  Fix typo in error message.
  Doc fix for lineHeight.
  Add support for line spacing in Text element.
  Fixing right-to-left text in Text and TextInput
  Fix MaximumLineCount in Text and add tests
  Ensure simple objects also get the appropriate property cache
  Add test for Loader implicitWidth/implicitHeight
  Don't crash when appending a null item
  Test for passing functions to createObject() for property bindings
  ...

7 files changed, 52 insertions, 11 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..030e196 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
@@ -1551,7 +1552,8 @@ void QTextControlPrivate::mousePressEvent(QEvent *e, Qt::MouseButton button, con
                 setCursorPosition(cursorPos, QTextCursor::KeepAnchor);
         } else {
 
-            if (cursor.hasSelection()
+            if (dragEnabled
+                && cursor.hasSelection()
                 && !cursorIsFocusIndicator
                 && cursorPos >= cursor.selectionStart()
                 && cursorPos <= cursor.selectionEnd()
@@ -2328,6 +2330,19 @@ 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;
+}
+
 #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..9277b68 100644
--- a/src/gui/text/qtextcontrol_p.h
+++ b/src/gui/text/qtextcontrol_p.h
@@ -175,6 +175,9 @@ public:
     void setCursorIsFocusIndicator(bool b);
     bool cursorIsFocusIndicator() const;
 
+    void setDragEnabled(bool enabled);
+    bool isDragEnabled() const;
+
 #ifndef QT_NO_PRINTER
     void print(QPrinter *printer) const;
 #endif
diff --git a/src/gui/text/qtextcontrol_p_p.h b/src/gui/text/qtextcontrol_p_p.h
index 04f4c75..d7463ca 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;
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);