Merge remote-tracking branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	demos/declarative/samegame/SamegameCore/samegame.js
	mkspecs/features/symbian/default_post.prf
	src/declarative/qml/qdeclarativeengine.cpp
	src/gui/text/qtextdocumentlayout.cpp
	src/plugins/plugins.pro
	src/s60installs/bwins/QtCoreu.def
	src/s60installs/bwins/QtGuiu.def
	src/s60installs/eabi/QtCoreu.def
	src/s60installs/eabi/QtGuiu.def
	src/s60installs/s60installs.pro
	tests/auto/declarative/declarative.pro
	tests/auto/declarative/qdeclarativedebug/tst_qdeclarativedebug.cpp
	tests/auto/declarative/qdeclarativepixmapcache/tst_qdeclarativepixmapcache.cpp
	tests/auto/declarative/qmlvisual/qmlvisual.pro

5 files changed, 69 insertions, 7 deletions

diff --git a/src/gui/text/qtextcontrol.cpp b/src/gui/text/qtextcontrol.cpp
index 89ca6bf..e15c06d 100644
--- a/src/gui/text/qtextcontrol.cpp
+++ b/src/gui/text/qtextcontrol.cpp
@@ -115,6 +115,7 @@ 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
@@ -129,7 +130,8 @@ QTextControlPrivate::QTextControlPrivate()
       isEnabled(true),
       hadSelectionOnMousePress(false),
       ignoreUnusedNavigationEvents(false),
-      openExternalLinks(false)
+      openExternalLinks(false),
+      wordSelectionEnabled(false)
 {}
 
 bool QTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e)
@@ -1544,15 +1546,21 @@ 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()
@@ -1625,6 +1633,11 @@ 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())
@@ -2331,6 +2344,31 @@ 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 157b7bc..90c05da 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;
@@ -2510,6 +2515,7 @@ static inline void getLineHeightParams(const QTextBlockFormat &blockFormat, cons
                                        QFixed *lineAdjustment, QFixed *lineBreakHeight, QFixed *lineHeight)
 {
     *lineHeight = QFixed::fromReal(blockFormat.lineHeight(line.height(), scaling));
+
     if (blockFormat.lineHeightType() == QTextBlockFormat::FixedHeight || blockFormat.lineHeightType() == QTextBlockFormat::MinimumHeight) {
         *lineBreakHeight = *lineHeight;
         if (blockFormat.lineHeightType() == QTextBlockFormat::FixedHeight)
@@ -2740,6 +2746,13 @@ 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();