src/gui/text/qtextcontrol.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qtextcontrol.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,3015 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module 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 "qtextcontrol_p.h"
+#include "qtextcontrol_p_p.h"
+
+#ifndef QT_NO_TEXTCONTROL
+
+#include <qfont.h>
+#include <qpainter.h>
+#include <qevent.h>
+#include <qdebug.h>
+#include <qmime.h>
+#include <qdrag.h>
+#include <qclipboard.h>
+#include <qmenu.h>
+#include <qstyle.h>
+#include <qtimer.h>
+#include "private/qtextdocumentlayout_p.h"
+#include "private/qtextedit_p.h"
+#include "qtextdocument.h"
+#include "private/qtextdocument_p.h"
+#include "qtextlist.h"
+#include "private/qtextcontrol_p.h"
+#include "qgraphicssceneevent.h"
+#include "qprinter.h"
+#include "qtextdocumentwriter.h"
+
+#include <qtextformat.h>
+#include <qdatetime.h>
+#include <qbuffer.h>
+#include <qapplication.h>
+#include <limits.h>
+#include <qtexttable.h>
+#include <qvariant.h>
+#include <qurl.h>
+#include <qdesktopservices.h>
+#include <qinputcontext.h>
+#include <qtooltip.h>
+#include <qstyleoption.h>
+#include <QtGui/qlineedit.h>
+
+#ifndef QT_NO_SHORTCUT
+#include "private/qapplication_p.h"
+#include "private/qshortcutmap_p.h"
+#include <qkeysequence.h>
+#define ACCEL_KEY(k) (!qApp->d_func()->shortcutMap.hasShortcutForKeySequence(k) ? QLatin1Char('\t') + QString(QKeySequence(k)) : QString())
+#else
+#define ACCEL_KEY(k) QString()
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_CONTEXTMENU
+#if defined(Q_WS_WIN)
+extern bool qt_use_rtl_extensions;
+#endif
+#endif
+
+// could go into QTextCursor...
+static QTextLine currentTextLine(const QTextCursor &cursor)
+{
+    const QTextBlock block = cursor.block();
+    if (!block.isValid())
+        return QTextLine();
+
+    const QTextLayout *layout = block.layout();
+    if (!layout)
+        return QTextLine();
+
+    const int relativePos = cursor.position() - block.position();
+    return layout->lineForTextPosition(relativePos);
+}
+
+QTextControlPrivate::QTextControlPrivate()
+    : doc(0), cursorOn(false), cursorIsFocusIndicator(false),
+      interactionFlags(Qt::TextEditorInteraction),
+#ifndef QT_NO_DRAGANDDROP
+      mousePressed(false), mightStartDrag(false),
+#endif
+      lastSelectionState(false), ignoreAutomaticScrollbarAdjustement(false),
+      overwriteMode(false),
+      acceptRichText(true),
+      preeditCursor(0), hideCursor(false),
+      hasFocus(false),
+#ifdef QT_KEYPAD_NAVIGATION
+      hasEditFocus(false),
+#endif
+      isEnabled(true),
+      hadSelectionOnMousePress(false),
+      openExternalLinks(false)
+{}
+
+bool QTextControlPrivate::cursorMoveKeyEvent(QKeyEvent *e)
+{
+#ifdef QT_NO_SHORTCUT
+    Q_UNUSED(e);
+#endif
+
+    Q_Q(QTextControl);
+    if (cursor.isNull())
+        return false;
+
+    const QTextCursor oldSelection = cursor;
+    const int oldCursorPos = cursor.position();
+
+    QTextCursor::MoveMode mode = QTextCursor::MoveAnchor;
+    QTextCursor::MoveOperation op = QTextCursor::NoMove;
+
+    if (false) {
+    }
+#ifndef QT_NO_SHORTCUT
+    if (e == QKeySequence::MoveToNextChar) {
+            op = QTextCursor::Right;
+    }
+    else if (e == QKeySequence::MoveToPreviousChar) {
+            op = QTextCursor::Left;
+    }
+    else if (e == QKeySequence::SelectNextChar) {
+           op = QTextCursor::Right;
+           mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectPreviousChar) {
+            op = QTextCursor::Left;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectNextWord) {
+            op = QTextCursor::WordRight;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectPreviousWord) {
+            op = QTextCursor::WordLeft;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectStartOfLine) {
+            op = QTextCursor::StartOfLine;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectEndOfLine) {
+            op = QTextCursor::EndOfLine;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectStartOfBlock) {
+            op = QTextCursor::StartOfBlock;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectEndOfBlock) {
+            op = QTextCursor::EndOfBlock;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectStartOfDocument) {
+            op = QTextCursor::Start;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectEndOfDocument) {
+            op = QTextCursor::End;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectPreviousLine) {
+            op = QTextCursor::Up;
+            mode = QTextCursor::KeepAnchor;
+    }
+    else if (e == QKeySequence::SelectNextLine) {
+            op = QTextCursor::Down;
+            mode = QTextCursor::KeepAnchor;
+            {
+                QTextBlock block = cursor.block();
+                QTextLine line = currentTextLine(cursor);
+                if (!block.next().isValid()
+                    && line.isValid()
+                    && line.lineNumber() == block.layout()->lineCount() - 1)
+                    op = QTextCursor::End;
+            }
+    }
+    else if (e == QKeySequence::MoveToNextWord) {
+            op = QTextCursor::WordRight;
+    }
+    else if (e == QKeySequence::MoveToPreviousWord) {
+            op = QTextCursor::WordLeft;
+    }
+    else if (e == QKeySequence::MoveToEndOfBlock) {
+            op = QTextCursor::EndOfBlock;
+    }
+    else if (e == QKeySequence::MoveToStartOfBlock) {
+            op = QTextCursor::StartOfBlock;
+    }
+    else if (e == QKeySequence::MoveToNextLine) {
+            op = QTextCursor::Down;
+    }
+    else if (e == QKeySequence::MoveToPreviousLine) {
+            op = QTextCursor::Up;
+    }
+    else if (e == QKeySequence::MoveToPreviousLine) {
+            op = QTextCursor::Up;
+    }
+    else if (e == QKeySequence::MoveToStartOfLine) {
+            op = QTextCursor::StartOfLine;
+    }
+    else if (e == QKeySequence::MoveToEndOfLine) {
+            op = QTextCursor::EndOfLine;
+    }
+    else if (e == QKeySequence::MoveToStartOfDocument) {
+            op = QTextCursor::Start;
+    }
+    else if (e == QKeySequence::MoveToEndOfDocument) {
+            op = QTextCursor::End;
+    }
+#endif // QT_NO_SHORTCUT
+    else {
+        return false;
+    }
+
+// Except for pageup and pagedown, Mac OS X has very different behavior, we don't do it all, but
+// here's the breakdown:
+// Shift still works as an anchor, but only one of the other keys can be down Ctrl (Command),
+// Alt (Option), or Meta (Control).
+// Command/Control + Left/Right -- Move to left or right of the line
+//                 + Up/Down -- Move to top bottom of the file. (Control doesn't move the cursor)
+// Option + Left/Right -- Move one word Left/right.
+//        + Up/Down  -- Begin/End of Paragraph.
+// Home/End Top/Bottom of file. (usually don't move the cursor, but will select)
+
+    bool visualNavigation = cursor.visualNavigation();
+    cursor.setVisualNavigation(true);
+    const bool moved = cursor.movePosition(op, mode);
+    cursor.setVisualNavigation(visualNavigation);
+    q->ensureCursorVisible();
+
+    if (moved) {
+        if (cursor.position() != oldCursorPos)
+            emit q->cursorPositionChanged();
+        emit q->microFocusChanged();
+    }
+#ifdef QT_KEYPAD_NAVIGATION
+    else if (QApplication::keypadNavigationEnabled()
+        && ((e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)
+        || QApplication::navigationMode() == Qt::NavigationModeKeypadDirectional
+        && (e->key() == Qt::Key_Left || e->key() == Qt::Key_Right))) {
+        return false;
+    }
+#endif
+
+    selectionChanged(/*forceEmitSelectionChanged =*/(mode == QTextCursor::KeepAnchor));
+
+    repaintOldAndNewSelection(oldSelection);
+
+    return true;
+}
+
+void QTextControlPrivate::updateCurrentCharFormat()
+{
+    Q_Q(QTextControl);
+
+    QTextCharFormat fmt = cursor.charFormat();
+    if (fmt == lastCharFormat)
+        return;
+    lastCharFormat = fmt;
+
+    emit q->currentCharFormatChanged(fmt);
+    emit q->microFocusChanged();
+}
+
+void QTextControlPrivate::indent()
+{
+    QTextBlockFormat blockFmt = cursor.blockFormat();
+
+    QTextList *list = cursor.currentList();
+    if (!list) {
+        QTextBlockFormat modifier;
+        modifier.setIndent(blockFmt.indent() + 1);
+        cursor.mergeBlockFormat(modifier);
+    } else {
+        QTextListFormat format = list->format();
+        format.setIndent(format.indent() + 1);
+
+        if (list->itemNumber(cursor.block()) == 1)
+            list->setFormat(format);
+        else
+            cursor.createList(format);
+    }
+}
+
+void QTextControlPrivate::outdent()
+{
+    QTextBlockFormat blockFmt = cursor.blockFormat();
+
+    QTextList *list = cursor.currentList();
+
+    if (!list) {
+        QTextBlockFormat modifier;
+        modifier.setIndent(blockFmt.indent() - 1);
+        cursor.mergeBlockFormat(modifier);
+    } else {
+        QTextListFormat listFmt = list->format();
+        listFmt.setIndent(listFmt.indent() - 1);
+        list->setFormat(listFmt);
+    }
+}
+
+void QTextControlPrivate::gotoNextTableCell()
+{
+    QTextTable *table = cursor.currentTable();
+    QTextTableCell cell = table->cellAt(cursor);
+
+    int newColumn = cell.column() + cell.columnSpan();
+    int newRow = cell.row();
+
+    if (newColumn >= table->columns()) {
+        newColumn = 0;
+        ++newRow;
+        if (newRow >= table->rows())
+            table->insertRows(table->rows(), 1);
+    }
+
+    cell = table->cellAt(newRow, newColumn);
+    cursor = cell.firstCursorPosition();
+}
+
+void QTextControlPrivate::gotoPreviousTableCell()
+{
+    QTextTable *table = cursor.currentTable();
+    QTextTableCell cell = table->cellAt(cursor);
+
+    int newColumn = cell.column() - 1;
+    int newRow = cell.row();
+
+    if (newColumn < 0) {
+        newColumn = table->columns() - 1;
+        --newRow;
+        if (newRow < 0)
+            return;
+    }
+
+    cell = table->cellAt(newRow, newColumn);
+    cursor = cell.firstCursorPosition();
+}
+
+void QTextControlPrivate::createAutoBulletList()
+{
+    cursor.beginEditBlock();
+
+    QTextBlockFormat blockFmt = cursor.blockFormat();
+
+    QTextListFormat listFmt;
+    listFmt.setStyle(QTextListFormat::ListDisc);
+    listFmt.setIndent(blockFmt.indent() + 1);
+
+    blockFmt.setIndent(0);
+    cursor.setBlockFormat(blockFmt);
+
+    cursor.createList(listFmt);
+
+    cursor.endEditBlock();
+}
+
+void QTextControlPrivate::init(Qt::TextFormat format, const QString &text, QTextDocument *document)
+{
+    Q_Q(QTextControl);
+    setContent(format, text, document);
+
+    QWidget *parentWidget = qobject_cast<QWidget*>(parent);
+    if (parentWidget) {
+        QTextOption opt = doc->defaultTextOption();
+        opt.setTextDirection(parentWidget->layoutDirection());
+        doc->setDefaultTextOption(opt);
+    }
+    doc->setUndoRedoEnabled(interactionFlags & Qt::TextEditable);
+    q->setCursorWidth(-1);
+}
+
+void QTextControlPrivate::setContent(Qt::TextFormat format, const QString &text, QTextDocument *document)
+{
+    Q_Q(QTextControl);
+
+    // for use when called from setPlainText. we may want to re-use the currently
+    // set char format then.
+    const QTextCharFormat charFormatForInsertion = cursor.charFormat();
+
+    bool clearDocument = true;
+    if (!doc) {
+        if (document) {
+            doc = document;
+            clearDocument = false;
+        } else {
+            palette = QApplication::palette("QTextControl");
+            doc = new QTextDocument(q);
+        }
+        _q_documentLayoutChanged();
+        cursor = QTextCursor(doc);
+
+// ####        doc->documentLayout()->setPaintDevice(viewport);
+
+        QObject::connect(doc, SIGNAL(contentsChanged()), q, SLOT(_q_updateCurrentCharFormatAndSelection()));
+        QObject::connect(doc, SIGNAL(cursorPositionChanged(QTextCursor)), q, SLOT(_q_emitCursorPosChanged(QTextCursor)));
+        QObject::connect(doc, SIGNAL(documentLayoutChanged()), q, SLOT(_q_documentLayoutChanged()));
+
+        // convenience signal forwards
+        QObject::connect(doc, SIGNAL(contentsChanged()), q, SIGNAL(textChanged()));
+        QObject::connect(doc, SIGNAL(undoAvailable(bool)), q, SIGNAL(undoAvailable(bool)));
+        QObject::connect(doc, SIGNAL(redoAvailable(bool)), q, SIGNAL(redoAvailable(bool)));
+        QObject::connect(doc, SIGNAL(modificationChanged(bool)), q, SIGNAL(modificationChanged(bool)));
+        QObject::connect(doc, SIGNAL(blockCountChanged(int)), q, SIGNAL(blockCountChanged(int)));
+    }
+
+    bool previousUndoRedoState = doc->isUndoRedoEnabled();
+    if (!document)
+        doc->setUndoRedoEnabled(false);
+
+    // avoid multiple textChanged() signals being emitted
+    QObject::disconnect(doc, SIGNAL(contentsChanged()), q, SIGNAL(textChanged()));
+
+    if (!text.isEmpty()) {
+        // clear 'our' cursor for insertion to prevent
+        // the emission of the cursorPositionChanged() signal.
+        // instead we emit it only once at the end instead of
+        // at the end of the document after loading and when
+        // positioning the cursor again to the start of the
+        // document.
+        cursor = QTextCursor();
+        if (format == Qt::PlainText) {
+            QTextCursor formatCursor(doc);
+            // put the setPlainText and the setCharFormat into one edit block,
+            // so that the syntax highlight triggers only /once/ for the entire
+            // document, not twice.
+            formatCursor.beginEditBlock();
+            doc->setPlainText(text);
+            doc->setUndoRedoEnabled(false);
+            formatCursor.select(QTextCursor::Document);
+            formatCursor.setCharFormat(charFormatForInsertion);
+            formatCursor.endEditBlock();
+        } else {
+#ifndef QT_NO_TEXTHTMLPARSER
+            doc->setHtml(text);
+#else
+            doc->setPlainText(text);
+#endif
+            doc->setUndoRedoEnabled(false);
+        }
+        cursor = QTextCursor(doc);
+    } else if (clearDocument) {
+        doc->clear();
+    }
+    cursor.setCharFormat(charFormatForInsertion);
+
+    QObject::connect(doc, SIGNAL(contentsChanged()), q, SIGNAL(textChanged()));
+    emit q->textChanged();
+    if (!document)
+        doc->setUndoRedoEnabled(previousUndoRedoState);
+    _q_updateCurrentCharFormatAndSelection();
+    if (!document)
+        doc->setModified(false);
+
+    q->ensureCursorVisible();
+    emit q->cursorPositionChanged();
+}
+
+void QTextControlPrivate::startDrag()
+{
+#ifndef QT_NO_DRAGANDDROP
+    Q_Q(QTextControl);
+    mousePressed = false;
+    if (!contextWidget)
+        return;
+    QMimeData *data = q->createMimeDataFromSelection();
+
+    QDrag *drag = new QDrag(contextWidget);
+    drag->setMimeData(data);
+
+    Qt::DropActions actions = Qt::CopyAction;
+    Qt::DropAction action;
+    if (interactionFlags & Qt::TextEditable) {
+        actions |= Qt::MoveAction;
+        action = drag->exec(actions, Qt::MoveAction);
+    } else {
+        action = drag->exec(actions, Qt::CopyAction);
+    }
+
+    if (action == Qt::MoveAction && drag->target() != contextWidget)
+        cursor.removeSelectedText();
+#endif
+}
+
+void QTextControlPrivate::setCursorPosition(const QPointF &pos)
+{
+    Q_Q(QTextControl);
+    const int cursorPos = q->hitTest(pos, Qt::FuzzyHit);
+    if (cursorPos == -1)
+        return;
+    cursor.setPosition(cursorPos);
+}
+
+void QTextControlPrivate::setCursorPosition(int pos, QTextCursor::MoveMode mode)
+{
+    cursor.setPosition(pos, mode);
+
+    if (mode != QTextCursor::KeepAnchor) {
+        selectedWordOnDoubleClick = QTextCursor();
+        selectedBlockOnTrippleClick = QTextCursor();
+    }
+}
+
+void QTextControlPrivate::repaintCursor()
+{
+    Q_Q(QTextControl);
+    emit q->updateRequest(cursorRectPlusUnicodeDirectionMarkers(cursor));
+}
+
+void QTextControlPrivate::repaintOldAndNewSelection(const QTextCursor &oldSelection)
+{
+    Q_Q(QTextControl);
+    if (cursor.hasSelection()
+        && oldSelection.hasSelection()
+        && cursor.currentFrame() == oldSelection.currentFrame()
+        && !cursor.hasComplexSelection()
+        && !oldSelection.hasComplexSelection()
+        && cursor.anchor() == oldSelection.anchor()
+        ) {
+        QTextCursor differenceSelection(doc);
+        differenceSelection.setPosition(oldSelection.position());
+        differenceSelection.setPosition(cursor.position(), QTextCursor::KeepAnchor);
+        emit q->updateRequest(q->selectionRect(differenceSelection));
+    } else {
+        if (!oldSelection.isNull())
+            emit q->updateRequest(q->selectionRect(oldSelection) | cursorRectPlusUnicodeDirectionMarkers(oldSelection));
+        emit q->updateRequest(q->selectionRect() | cursorRectPlusUnicodeDirectionMarkers(cursor));
+    }
+}
+
+void QTextControlPrivate::selectionChanged(bool forceEmitSelectionChanged /*=false*/)
+{
+    Q_Q(QTextControl);
+    if (forceEmitSelectionChanged)
+        emit q->selectionChanged();
+
+    bool current = cursor.hasSelection();
+    if (current == lastSelectionState)
+        return;
+
+    lastSelectionState = current;
+    emit q->copyAvailable(current);
+    if (!forceEmitSelectionChanged)
+        emit q->selectionChanged();
+    emit q->microFocusChanged();
+}
+
+void QTextControlPrivate::_q_updateCurrentCharFormatAndSelection()
+{
+    updateCurrentCharFormat();
+    selectionChanged();
+}
+
+#ifndef QT_NO_CLIPBOARD
+void QTextControlPrivate::setClipboardSelection()
+{
+    QClipboard *clipboard = QApplication::clipboard();
+    if (!cursor.hasSelection() || !clipboard->supportsSelection())
+        return;
+    Q_Q(QTextControl);
+    QMimeData *data = q->createMimeDataFromSelection();
+    clipboard->setMimeData(data, QClipboard::Selection);
+}
+#endif
+
+void QTextControlPrivate::_q_emitCursorPosChanged(const QTextCursor &someCursor)
+{
+    Q_Q(QTextControl);
+    if (someCursor.isCopyOf(cursor)) {
+        emit q->cursorPositionChanged();
+        emit q->microFocusChanged();
+    }
+}
+
+void QTextControlPrivate::_q_documentLayoutChanged()
+{
+    Q_Q(QTextControl);
+    QAbstractTextDocumentLayout *layout = doc->documentLayout();
+    QObject::connect(layout, SIGNAL(update(QRectF)), q, SIGNAL(updateRequest(QRectF)));
+    QObject::connect(layout, SIGNAL(updateBlock(QTextBlock)), q, SLOT(_q_updateBlock(QTextBlock)));
+    QObject::connect(layout, SIGNAL(documentSizeChanged(QSizeF)), q, SIGNAL(documentSizeChanged(QSizeF)));
+
+}
+
+void QTextControlPrivate::setBlinkingCursorEnabled(bool enable)
+{
+    Q_Q(QTextControl);
+
+    if (enable && QApplication::cursorFlashTime() > 0)
+        cursorBlinkTimer.start(QApplication::cursorFlashTime() / 2, q);
+    else
+        cursorBlinkTimer.stop();
+
+    cursorOn = enable;
+
+    repaintCursor();
+}
+
+void QTextControlPrivate::extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition)
+{
+    Q_Q(QTextControl);
+
+    // if inside the initial selected word keep that
+    if (suggestedNewPosition >= selectedWordOnDoubleClick.selectionStart()
+        && suggestedNewPosition <= selectedWordOnDoubleClick.selectionEnd()) {
+        q->setTextCursor(selectedWordOnDoubleClick);
+        return;
+    }
+
+    QTextCursor curs = selectedWordOnDoubleClick;
+    curs.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor);
+
+    if (!curs.movePosition(QTextCursor::StartOfWord))
+        return;
+    const int wordStartPos = curs.position();
+
+    const int blockPos = curs.block().position();
+    const QPointF blockCoordinates = q->blockBoundingRect(curs.block()).topLeft();
+
+    QTextLine line = currentTextLine(curs);
+    if (!line.isValid())
+        return;
+
+    const qreal wordStartX = line.cursorToX(curs.position() - blockPos) + blockCoordinates.x();
+
+    if (!curs.movePosition(QTextCursor::EndOfWord))
+        return;
+    const int wordEndPos = curs.position();
+
+    const QTextLine otherLine = currentTextLine(curs);
+    if (otherLine.textStart() != line.textStart()
+        || wordEndPos == wordStartPos)
+        return;
+
+    const qreal wordEndX = line.cursorToX(curs.position() - blockPos) + blockCoordinates.x();
+
+    if (mouseXPosition < wordStartX || mouseXPosition > wordEndX)
+        return;
+
+    // keep the already selected word even when moving to the left
+    // (#39164)
+    if (suggestedNewPosition < selectedWordOnDoubleClick.position())
+        cursor.setPosition(selectedWordOnDoubleClick.selectionEnd());
+    else
+        cursor.setPosition(selectedWordOnDoubleClick.selectionStart());
+
+    const qreal differenceToStart = mouseXPosition - wordStartX;
+    const qreal differenceToEnd = wordEndX - mouseXPosition;
+
+    if (differenceToStart < differenceToEnd)
+        setCursorPosition(wordStartPos, QTextCursor::KeepAnchor);
+    else
+        setCursorPosition(wordEndPos, QTextCursor::KeepAnchor);
+
+    if (interactionFlags & Qt::TextSelectableByMouse) {
+#ifndef QT_NO_CLIPBOARD
+        setClipboardSelection();
+#endif
+        selectionChanged(true);
+    }
+}
+
+void QTextControlPrivate::extendBlockwiseSelection(int suggestedNewPosition)
+{
+    Q_Q(QTextControl);
+
+    // if inside the initial selected line keep that
+    if (suggestedNewPosition >= selectedBlockOnTrippleClick.selectionStart()
+        && suggestedNewPosition <= selectedBlockOnTrippleClick.selectionEnd()) {
+        q->setTextCursor(selectedBlockOnTrippleClick);
+        return;
+    }
+
+    if (suggestedNewPosition < selectedBlockOnTrippleClick.position()) {
+        cursor.setPosition(selectedBlockOnTrippleClick.selectionEnd());
+        cursor.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor);
+        cursor.movePosition(QTextCursor::StartOfBlock, QTextCursor::KeepAnchor);
+    } else {
+        cursor.setPosition(selectedBlockOnTrippleClick.selectionStart());
+        cursor.setPosition(suggestedNewPosition, QTextCursor::KeepAnchor);
+        cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+        cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+    }
+
+    if (interactionFlags & Qt::TextSelectableByMouse) {
+#ifndef QT_NO_CLIPBOARD
+        setClipboardSelection();
+#endif
+        selectionChanged(true);
+    }
+}
+
+void QTextControlPrivate::_q_deleteSelected()
+{
+    if (!(interactionFlags & Qt::TextEditable) || !cursor.hasSelection())
+        return;
+    cursor.removeSelectedText();
+}
+
+void QTextControl::undo()
+{
+    Q_D(QTextControl);
+    d->repaintSelection();
+    d->doc->undo(&d->cursor);
+    ensureCursorVisible();
+}
+
+void QTextControl::redo()
+{
+    Q_D(QTextControl);
+    d->repaintSelection();
+    d->doc->redo(&d->cursor);
+    ensureCursorVisible();
+}
+
+QTextControl::QTextControl(QObject *parent)
+    : QObject(*new QTextControlPrivate, parent)
+{
+    Q_D(QTextControl);
+    d->init();
+}
+
+QTextControl::QTextControl(const QString &text, QObject *parent)
+    : QObject(*new QTextControlPrivate, parent)
+{
+    Q_D(QTextControl);
+    d->init(Qt::RichText, text);
+}
+
+QTextControl::QTextControl(QTextDocument *doc, QObject *parent)
+    : QObject(*new QTextControlPrivate, parent)
+{
+    Q_D(QTextControl);
+    d->init(Qt::RichText, QString(), doc);
+}
+
+QTextControl::~QTextControl()
+{
+}
+
+void QTextControl::setDocument(QTextDocument *document)
+{
+    Q_D(QTextControl);
+    if (d->doc == document)
+        return;
+
+    d->doc->disconnect(this);
+    d->doc->documentLayout()->disconnect(this);
+    d->doc->documentLayout()->setPaintDevice(0);
+
+    if (d->doc->parent() == this)
+        delete d->doc;
+
+    d->doc = 0;
+    d->setContent(Qt::RichText, QString(), document);
+}
+
+QTextDocument *QTextControl::document() const
+{
+    Q_D(const QTextControl);
+    return d->doc;
+}
+
+void QTextControl::setTextCursor(const QTextCursor &cursor)
+{
+    Q_D(QTextControl);
+    d->cursorIsFocusIndicator = false;
+    const bool posChanged = cursor.position() != d->cursor.position();
+    const QTextCursor oldSelection = d->cursor;
+    d->cursor = cursor;
+    d->cursorOn = d->hasFocus && (d->interactionFlags & Qt::TextEditable);
+    d->_q_updateCurrentCharFormatAndSelection();
+    ensureCursorVisible();
+    d->repaintOldAndNewSelection(oldSelection);
+    if (posChanged)
+        emit cursorPositionChanged();
+}
+
+QTextCursor QTextControl::textCursor() const
+{
+    Q_D(const QTextControl);
+    return d->cursor;
+}
+
+#ifndef QT_NO_CLIPBOARD
+
+void QTextControl::cut()
+{
+    Q_D(QTextControl);
+    if (!(d->interactionFlags & Qt::TextEditable) || !d->cursor.hasSelection())
+        return;
+    copy();
+    d->cursor.removeSelectedText();
+}
+
+void QTextControl::copy()
+{
+    Q_D(QTextControl);
+    if (!d->cursor.hasSelection())
+        return;
+    QMimeData *data = createMimeDataFromSelection();
+    QApplication::clipboard()->setMimeData(data);
+}
+
+void QTextControl::paste()
+{
+    const QMimeData *md = QApplication::clipboard()->mimeData();
+    if (md)
+        insertFromMimeData(md);
+}
+#endif
+
+void QTextControl::clear()
+{
+    Q_D(QTextControl);
+    // clears and sets empty content
+    d->extraSelections.clear();
+    d->setContent();
+}
+
+
+void QTextControl::selectAll()
+{
+    Q_D(QTextControl);
+    const int selectionLength = qAbs(d->cursor.position() - d->cursor.anchor());
+    d->cursor.select(QTextCursor::Document);
+    d->selectionChanged(selectionLength != qAbs(d->cursor.position() - d->cursor.anchor()));
+    d->cursorIsFocusIndicator = false;
+    emit updateRequest();
+}
+
+void QTextControl::processEvent(QEvent *e, const QPointF &coordinateOffset, QWidget *contextWidget)
+{
+    QMatrix m;
+    m.translate(coordinateOffset.x(), coordinateOffset.y());
+    processEvent(e, m, contextWidget);
+}
+
+void QTextControl::processEvent(QEvent *e, const QMatrix &matrix, QWidget *contextWidget)
+{
+    Q_D(QTextControl);
+    if (d->interactionFlags & Qt::NoTextInteraction)
+        return;
+
+    d->contextWidget = contextWidget;
+
+    if (!d->contextWidget) {
+        switch (e->type()) {
+#ifndef QT_NO_GRAPHICSVIEW
+            case QEvent::GraphicsSceneMouseMove:
+            case QEvent::GraphicsSceneMousePress:
+            case QEvent::GraphicsSceneMouseRelease:
+            case QEvent::GraphicsSceneMouseDoubleClick:
+            case QEvent::GraphicsSceneContextMenu:
+            case QEvent::GraphicsSceneHoverEnter:
+            case QEvent::GraphicsSceneHoverMove:
+            case QEvent::GraphicsSceneHoverLeave:
+            case QEvent::GraphicsSceneHelp:
+            case QEvent::GraphicsSceneDragEnter:
+            case QEvent::GraphicsSceneDragMove:
+            case QEvent::GraphicsSceneDragLeave:
+            case QEvent::GraphicsSceneDrop: {
+                QGraphicsSceneEvent *ev = static_cast<QGraphicsSceneEvent *>(e);
+                d->contextWidget = ev->widget();
+                break;
+            }
+#endif // QT_NO_GRAPHICSVIEW
+            default: break;
+        };
+    }
+
+    switch (e->type()) {
+        case QEvent::KeyPress:
+            d->keyPressEvent(static_cast<QKeyEvent *>(e));
+            break;
+        case QEvent::MouseButtonPress: {
+            QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+            d->mousePressEvent(ev->button(), matrix.map(ev->pos()), ev->modifiers(),
+                               ev->buttons(), ev->globalPos());
+            break; }
+        case QEvent::MouseMove: {
+            QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+            d->mouseMoveEvent(ev->buttons(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::MouseButtonRelease: {
+            QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+            d->mouseReleaseEvent(ev->button(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::MouseButtonDblClick: {
+            QMouseEvent *ev = static_cast<QMouseEvent *>(e);
+            d->mouseDoubleClickEvent(e, ev->button(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::InputMethod:
+            d->inputMethodEvent(static_cast<QInputMethodEvent *>(e));
+            break;
+#ifndef QT_NO_CONTEXTMENU
+    case QEvent::ContextMenu: {
+            QContextMenuEvent *ev = static_cast<QContextMenuEvent *>(e);
+            d->contextMenuEvent(ev->globalPos(), matrix.map(ev->pos()), contextWidget);
+            break; }
+#endif // QT_NO_CONTEXTMENU
+        case QEvent::FocusIn:
+        case QEvent::FocusOut:
+            d->focusEvent(static_cast<QFocusEvent *>(e));
+            break;
+
+        case QEvent::EnabledChange:
+            d->isEnabled = e->isAccepted();
+            break;
+
+#ifndef QT_NO_TOOLTIP
+        case QEvent::ToolTip: {
+            QHelpEvent *ev = static_cast<QHelpEvent *>(e);
+            d->showToolTip(ev->globalPos(), matrix.map(ev->pos()), contextWidget);
+            break;
+        }
+#endif // QT_NO_TOOLTIP
+
+#ifndef QT_NO_DRAGANDDROP
+        case QEvent::DragEnter: {
+            QDragEnterEvent *ev = static_cast<QDragEnterEvent *>(e);
+            if (d->dragEnterEvent(e, ev->mimeData()))
+                ev->acceptProposedAction();
+            break;
+        }
+        case QEvent::DragLeave:
+            d->dragLeaveEvent();
+            break;
+        case QEvent::DragMove: {
+            QDragMoveEvent *ev = static_cast<QDragMoveEvent *>(e);
+            if (d->dragMoveEvent(e, ev->mimeData(), matrix.map(ev->pos())))
+                ev->acceptProposedAction();
+            break;
+        }
+        case QEvent::Drop: {
+            QDropEvent *ev = static_cast<QDropEvent *>(e);
+            if (d->dropEvent(ev->mimeData(), matrix.map(ev->pos()), ev->dropAction(), ev->source()))
+                ev->acceptProposedAction();
+            break;
+        }
+#endif
+
+#ifndef QT_NO_GRAPHICSVIEW
+        case QEvent::GraphicsSceneMousePress: {
+            QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+            d->mousePressEvent(ev->button(), matrix.map(ev->pos()), ev->modifiers(), ev->buttons(),
+                               ev->screenPos());
+            break; }
+        case QEvent::GraphicsSceneMouseMove: {
+            QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+            d->mouseMoveEvent(ev->buttons(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::GraphicsSceneMouseRelease: {
+            QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+            d->mouseReleaseEvent(ev->button(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::GraphicsSceneMouseDoubleClick: {
+            QGraphicsSceneMouseEvent *ev = static_cast<QGraphicsSceneMouseEvent *>(e);
+            d->mouseDoubleClickEvent(e, ev->button(), matrix.map(ev->pos()));
+            break; }
+        case QEvent::GraphicsSceneContextMenu: {
+            QGraphicsSceneContextMenuEvent *ev = static_cast<QGraphicsSceneContextMenuEvent *>(e);
+            d->contextMenuEvent(ev->screenPos(), matrix.map(ev->pos()), contextWidget);
+            break; }
+
+        case QEvent::GraphicsSceneHoverMove: {
+            QGraphicsSceneHoverEvent *ev = static_cast<QGraphicsSceneHoverEvent *>(e);
+            d->mouseMoveEvent(Qt::NoButton, matrix.map(ev->pos()));
+            break; }
+
+        case QEvent::GraphicsSceneDragEnter: {
+            QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+            if (d->dragEnterEvent(e, ev->mimeData()))
+                ev->acceptProposedAction();
+            break; }
+        case QEvent::GraphicsSceneDragLeave:
+            d->dragLeaveEvent();
+            break;
+        case QEvent::GraphicsSceneDragMove: {
+            QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+            if (d->dragMoveEvent(e, ev->mimeData(), matrix.map(ev->pos())))
+                ev->acceptProposedAction();
+            break; }
+        case QEvent::GraphicsSceneDrop: {
+            QGraphicsSceneDragDropEvent *ev = static_cast<QGraphicsSceneDragDropEvent *>(e);
+            if (d->dropEvent(ev->mimeData(), matrix.map(ev->pos()), ev->dropAction(), ev->source()))
+                ev->accept();
+            break; }
+#endif // QT_NO_GRAPHICSVIEW
+#ifdef QT_KEYPAD_NAVIGATION
+        case QEvent::EnterEditFocus:
+        case QEvent::LeaveEditFocus:
+            if (QApplication::keypadNavigationEnabled())
+                d->editFocusEvent(e);
+            break;
+#endif
+        case QEvent::ShortcutOverride:
+            if (d->interactionFlags & Qt::TextEditable) {
+                QKeyEvent* ke = static_cast<QKeyEvent *>(e);
+                if (ke->modifiers() == Qt::NoModifier
+                    || ke->modifiers() == Qt::ShiftModifier
+                    || ke->modifiers() == Qt::KeypadModifier) {
+                    if (ke->key() < Qt::Key_Escape) {
+                        ke->accept();
+                    } else {
+                        switch (ke->key()) {
+                            case Qt::Key_Return:
+                            case Qt::Key_Enter:
+                            case Qt::Key_Delete:
+                            case Qt::Key_Home:
+                            case Qt::Key_End:
+                            case Qt::Key_Backspace:
+                            case Qt::Key_Left:
+                            case Qt::Key_Right:
+                            case Qt::Key_Up:
+                            case Qt::Key_Down:
+                            case Qt::Key_Tab:
+                            ke->accept();
+                        default:
+                            break;
+                        }
+                    }
+#ifndef QT_NO_SHORTCUT
+                } else if (ke == QKeySequence::Copy
+                           || ke == QKeySequence::Paste
+                           || ke == QKeySequence::Cut
+                           || ke == QKeySequence::Redo
+                           || ke == QKeySequence::Undo
+                           || ke == QKeySequence::MoveToNextWord
+                           || ke == QKeySequence::MoveToPreviousWord
+                           || ke == QKeySequence::MoveToStartOfDocument
+                           || ke == QKeySequence::MoveToEndOfDocument
+                           || ke == QKeySequence::SelectNextWord
+                           || ke == QKeySequence::SelectPreviousWord
+                           || ke == QKeySequence::SelectStartOfLine
+                           || ke == QKeySequence::SelectEndOfLine
+                           || ke == QKeySequence::SelectStartOfBlock
+                           || ke == QKeySequence::SelectEndOfBlock
+                           || ke == QKeySequence::SelectStartOfDocument
+                           || ke == QKeySequence::SelectEndOfDocument
+                           || ke == QKeySequence::SelectAll
+                          ) {
+                    ke->accept();
+#endif
+                }
+            }
+            break;
+        case QEvent::LayoutDirectionChange: {
+            if (contextWidget) {
+                QTextOption opt = document()->defaultTextOption();
+                opt.setTextDirection(contextWidget->layoutDirection());
+                document()->setDefaultTextOption(opt);
+            }
+        }
+            // FALL THROUGH
+        default:
+            break;
+    }
+}
+
+bool QTextControl::event(QEvent *e)
+{
+    return QObject::event(e);
+}
+
+void QTextControl::timerEvent(QTimerEvent *e)
+{
+    Q_D(QTextControl);
+    if (e->timerId() == d->cursorBlinkTimer.timerId()) {
+        d->cursorOn = !d->cursorOn;
+
+        if (d->cursor.hasSelection())
+            d->cursorOn &= (QApplication::style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected)
+                            != 0);
+
+        d->repaintCursor();
+    } else if (e->timerId() == d->trippleClickTimer.timerId()) {
+        d->trippleClickTimer.stop();
+    }
+}
+
+void QTextControl::setPlainText(const QString &text)
+{
+    Q_D(QTextControl);
+    d->setContent(Qt::PlainText, text);
+}
+
+void QTextControl::setHtml(const QString &text)
+{
+    Q_D(QTextControl);
+    d->setContent(Qt::RichText, text);
+}
+
+void QTextControlPrivate::keyPressEvent(QKeyEvent *e)
+{
+    Q_Q(QTextControl);
+#ifndef QT_NO_SHORTCUT
+    if (e == QKeySequence::SelectAll) {
+            e->accept();
+            q->selectAll();
+            return;
+    }
+#ifndef QT_NO_CLIPBOARD
+    else if (e == QKeySequence::Copy) {
+            e->accept();
+            q->copy();
+            return;
+    }
+#endif
+#endif // QT_NO_SHORTCUT
+
+    if (interactionFlags & Qt::TextSelectableByKeyboard
+        && cursorMoveKeyEvent(e))
+        goto accept;
+
+    if (interactionFlags & Qt::LinksAccessibleByKeyboard) {
+        if ((e->key() == Qt::Key_Return
+             || e->key() == Qt::Key_Enter
+#ifdef QT_KEYPAD_NAVIGATION
+             || e->key() == Qt::Key_Select
+#endif
+             )
+            && cursor.hasSelection()) {
+
+            e->accept();
+            activateLinkUnderCursor();
+            return;
+        }
+    }
+
+    if (!(interactionFlags & Qt::TextEditable)) {
+        e->ignore();
+        return;
+    }
+
+    if (e->key() == Qt::Key_Direction_L || e->key() == Qt::Key_Direction_R) {
+        QTextBlockFormat fmt;
+        fmt.setLayoutDirection((e->key() == Qt::Key_Direction_L) ? Qt::LeftToRight : Qt::RightToLeft);
+        cursor.mergeBlockFormat(fmt);
+        goto accept;
+    }
+
+    // schedule a repaint of the region of the cursor, as when we move it we
+    // want to make sure the old cursor disappears (not noticeable when moving
+    // only a few pixels but noticeable when jumping between cells in tables for
+    // example)
+    repaintSelection();
+
+    if (e->key() == Qt::Key_Backspace && !(e->modifiers() & ~Qt::ShiftModifier)) {
+        QTextBlockFormat blockFmt = cursor.blockFormat();
+        QTextList *list = cursor.currentList();
+        if (list && cursor.atBlockStart() && !cursor.hasSelection()) {
+            list->remove(cursor.block());
+        } else if (cursor.atBlockStart() && blockFmt.indent() > 0) {
+            blockFmt.setIndent(blockFmt.indent() - 1);
+            cursor.setBlockFormat(blockFmt);
+        } else {
+            cursor.deletePreviousChar();
+        }
+        goto accept;
+    }
+#ifndef QT_NO_SHORTCUT
+      else if (e == QKeySequence::InsertParagraphSeparator) {
+        cursor.insertBlock();
+        e->accept();
+        goto accept;
+    } else if (e == QKeySequence::InsertLineSeparator) {
+        cursor.insertText(QString(QChar::LineSeparator));
+        e->accept();
+        goto accept;
+    }
+#endif
+    if (false) {
+    }
+#ifndef QT_NO_SHORTCUT
+    else if (e == QKeySequence::Undo) {
+            q->undo();
+    }
+    else if (e == QKeySequence::Redo) {
+           q->redo();
+    }
+#ifndef QT_NO_CLIPBOARD
+    else if (e == QKeySequence::Cut) {
+           q->cut();
+    }
+    else if (e == QKeySequence::Paste) {
+           q->paste();
+    }
+#endif
+    else if (e == QKeySequence::Delete) {
+        cursor.deleteChar();
+    }
+    else if (e == QKeySequence::DeleteEndOfWord) {
+        if (!cursor.hasSelection())
+            cursor.movePosition(QTextCursor::NextWord, QTextCursor::KeepAnchor);
+        cursor.removeSelectedText();
+    }
+    else if (e == QKeySequence::DeleteStartOfWord) {
+        if (!cursor.hasSelection())
+            cursor.movePosition(QTextCursor::PreviousWord, QTextCursor::KeepAnchor);
+        cursor.removeSelectedText();
+    }
+    else if (e == QKeySequence::DeleteEndOfLine) {
+        QTextBlock block = cursor.block();
+        if (cursor.position() == block.position() + block.length() - 2)
+            cursor.movePosition(QTextCursor::Right, QTextCursor::KeepAnchor);
+        else
+            cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+        cursor.removeSelectedText();
+    }
+#endif // QT_NO_SHORTCUT
+    else {
+        goto process;
+    }
+    goto accept;
+
+process:
+    {
+        QString text = e->text();
+        if (!text.isEmpty() && (text.at(0).isPrint() || text.at(0) == QLatin1Char('\t'))) {
+            if (overwriteMode
+                // no need to call deleteChar() if we have a selection, insertText
+                // does it already
+                && !cursor.hasSelection()
+                && !cursor.atBlockEnd())
+                cursor.deleteChar();
+
+            cursor.insertText(text);
+            selectionChanged();
+        } else {
+            e->ignore();
+            return;
+        }
+    }
+
+ accept:
+
+    e->accept();
+    cursorOn = true;
+
+    q->ensureCursorVisible();
+
+    updateCurrentCharFormat();
+}
+
+QVariant QTextControl::loadResource(int type, const QUrl &name)
+{
+#ifdef QT_NO_TEXTEDIT
+    Q_UNUSED(type);
+    Q_UNUSED(name);
+#else
+    if (QTextEdit *textEdit = qobject_cast<QTextEdit *>(parent())) {
+        QUrl resolvedName = textEdit->d_func()->resolveUrl(name);
+        return textEdit->loadResource(type, resolvedName);
+    }
+#endif
+    return QVariant();
+}
+
+void QTextControlPrivate::_q_updateBlock(const QTextBlock &block)
+{
+    Q_Q(QTextControl);
+    emit q->updateRequest(q->blockBoundingRect(block));
+}
+
+QRectF QTextControlPrivate::rectForPosition(int position) const
+{
+    Q_Q(const QTextControl);
+    const QTextBlock block = doc->findBlock(position);
+    if (!block.isValid())
+        return QRectF();
+    const QAbstractTextDocumentLayout *docLayout = doc->documentLayout();
+    const QTextLayout *layout = block.layout();
+    const QPointF layoutPos = q->blockBoundingRect(block).topLeft();
+    int relativePos = position - block.position();
+    if (preeditCursor != 0) {
+        int preeditPos = layout->preeditAreaPosition();
+        if (relativePos == preeditPos)
+            relativePos += preeditCursor;
+        else if (relativePos > preeditPos)
+            relativePos += layout->preeditAreaText().length();
+    }
+    QTextLine line = layout->lineForTextPosition(relativePos);
+
+    int cursorWidth;
+    {
+        bool ok = false;
+#ifndef QT_NO_PROPERTIES
+        cursorWidth = docLayout->property("cursorWidth").toInt(&ok);
+#endif
+        if (!ok)
+            cursorWidth = 1;
+    }
+
+    QRectF r;
+
+    if (line.isValid()) {
+        qreal x = line.cursorToX(relativePos);
+        qreal w = 0;
+        if (overwriteMode) {
+            if (relativePos < line.textLength() - line.textStart())
+                w = line.cursorToX(relativePos + 1) - x;
+            else
+                w = QFontMetrics(block.layout()->font()).width(QLatin1Char(' ')); // in sync with QTextLine::draw()
+        }
+        r = QRectF(layoutPos.x() + x, layoutPos.y() + line.y(),
+                   cursorWidth + w, line.height());
+    } else {
+        r = QRectF(layoutPos.x(), layoutPos.y(), cursorWidth, 10); // #### correct height
+    }
+
+    return r;
+}
+
+static inline bool firstFramePosLessThanCursorPos(QTextFrame *frame, int position)
+{
+    return frame->firstPosition() < position;
+}
+
+static inline bool cursorPosLessThanLastFramePos(int position, QTextFrame *frame)
+{
+    return position < frame->lastPosition();
+}
+
+static QRectF boundingRectOfFloatsInSelection(const QTextCursor &cursor)
+{
+    QRectF r;
+    QTextFrame *frame = cursor.currentFrame();
+    const QList<QTextFrame *> children = frame->childFrames();
+
+    const QList<QTextFrame *>::ConstIterator firstFrame = qLowerBound(children.constBegin(), children.constEnd(),
+                                                                      cursor.selectionStart(), firstFramePosLessThanCursorPos);
+    const QList<QTextFrame *>::ConstIterator lastFrame = qUpperBound(children.constBegin(), children.constEnd(),
+                                                                     cursor.selectionEnd(), cursorPosLessThanLastFramePos);
+    for (QList<QTextFrame *>::ConstIterator it = firstFrame; it != lastFrame; ++it) {
+        if ((*it)->frameFormat().position() != QTextFrameFormat::InFlow)
+            r |= frame->document()->documentLayout()->frameBoundingRect(*it);
+    }
+    return r;
+}
+
+QRectF QTextControl::selectionRect(const QTextCursor &cursor) const
+{
+    Q_D(const QTextControl);
+
+    QRectF r = d->rectForPosition(cursor.selectionStart());
+
+    if (cursor.hasComplexSelection() && cursor.currentTable()) {
+        QTextTable *table = cursor.currentTable();
+
+        r = d->doc->documentLayout()->frameBoundingRect(table);
+        /*
+        int firstRow, numRows, firstColumn, numColumns;
+        cursor.selectedTableCells(&firstRow, &numRows, &firstColumn, &numColumns);
+
+        const QTextTableCell firstCell = table->cellAt(firstRow, firstColumn);
+        const QTextTableCell lastCell = table->cellAt(firstRow + numRows - 1, firstColumn + numColumns - 1);
+
+        const QAbstractTextDocumentLayout * const layout = doc->documentLayout();
+
+        QRectF tableSelRect = layout->blockBoundingRect(firstCell.firstCursorPosition().block());
+
+        for (int col = firstColumn; col < firstColumn + numColumns; ++col) {
+            const QTextTableCell cell = table->cellAt(firstRow, col);
+            const qreal y = layout->blockBoundingRect(cell.firstCursorPosition().block()).top();
+
+            tableSelRect.setTop(qMin(tableSelRect.top(), y));
+        }
+
+        for (int row = firstRow; row < firstRow + numRows; ++row) {
+            const QTextTableCell cell = table->cellAt(row, firstColumn);
+            const qreal x = layout->blockBoundingRect(cell.firstCursorPosition().block()).left();
+
+            tableSelRect.setLeft(qMin(tableSelRect.left(), x));
+        }
+
+        for (int col = firstColumn; col < firstColumn + numColumns; ++col) {
+            const QTextTableCell cell = table->cellAt(firstRow + numRows - 1, col);
+            const qreal y = layout->blockBoundingRect(cell.lastCursorPosition().block()).bottom();
+
+            tableSelRect.setBottom(qMax(tableSelRect.bottom(), y));
+        }
+
+        for (int row = firstRow; row < firstRow + numRows; ++row) {
+            const QTextTableCell cell = table->cellAt(row, firstColumn + numColumns - 1);
+            const qreal x = layout->blockBoundingRect(cell.lastCursorPosition().block()).right();
+
+            tableSelRect.setRight(qMax(tableSelRect.right(), x));
+        }
+
+        r = tableSelRect.toRect();
+        */
+    } else if (cursor.hasSelection()) {
+        const int position = cursor.selectionStart();
+        const int anchor = cursor.selectionEnd();
+        const QTextBlock posBlock = d->doc->findBlock(position);
+        const QTextBlock anchorBlock = d->doc->findBlock(anchor);
+        if (posBlock == anchorBlock && posBlock.isValid() && posBlock.layout()->lineCount()) {
+            const QTextLine posLine = posBlock.layout()->lineForTextPosition(position - posBlock.position());
+            const QTextLine anchorLine = anchorBlock.layout()->lineForTextPosition(anchor - anchorBlock.position());
+
+            const int firstLine = qMin(posLine.lineNumber(), anchorLine.lineNumber());
+            const int lastLine = qMax(posLine.lineNumber(), anchorLine.lineNumber());
+            const QTextLayout *layout = posBlock.layout();
+            r = QRectF();
+            for (int i = firstLine; i <= lastLine; ++i) {
+                r |= layout->lineAt(i).rect();
+                r |= layout->lineAt(i).naturalTextRect(); // might be bigger in the case of wrap not enabled
+            }
+            r.translate(blockBoundingRect(posBlock).topLeft());
+        } else {
+            QRectF anchorRect = d->rectForPosition(cursor.selectionEnd());
+            r |= anchorRect;
+            r |= boundingRectOfFloatsInSelection(cursor);
+            QRectF frameRect(d->doc->documentLayout()->frameBoundingRect(cursor.currentFrame()));
+            r.setLeft(frameRect.left());
+            r.setRight(frameRect.right());
+        }
+        if (r.isValid())
+            r.adjust(-1, -1, 1, 1);
+    }
+
+    return r;
+}
+
+QRectF QTextControl::selectionRect() const
+{
+    Q_D(const QTextControl);
+    return selectionRect(d->cursor);
+}
+
+void QTextControlPrivate::mousePressEvent(Qt::MouseButton button, const QPointF &pos, Qt::KeyboardModifiers modifiers,
+                                          Qt::MouseButtons buttons, const QPoint &globalPos)
+{
+    Q_Q(QTextControl);
+
+    if (interactionFlags & Qt::LinksAccessibleByMouse) {
+        anchorOnMousePress = q->anchorAt(pos);
+
+        if (cursorIsFocusIndicator) {
+            cursorIsFocusIndicator = false;
+            repaintSelection();
+            cursor.clearSelection();
+        }
+    }
+    if (!(button & Qt::LeftButton))
+        return;
+
+    if (!((interactionFlags & Qt::TextSelectableByMouse) || (interactionFlags & Qt::TextEditable)))
+        return;
+
+    cursorIsFocusIndicator = false;
+    const QTextCursor oldSelection = cursor;
+    const int oldCursorPos = cursor.position();
+
+    mousePressed = true;
+#ifndef QT_NO_DRAGANDDROP
+    mightStartDrag = false;
+#endif
+
+    if (trippleClickTimer.isActive()
+        && ((pos - trippleClickPoint).toPoint().manhattanLength() < QApplication::startDragDistance())) {
+
+        cursor.movePosition(QTextCursor::StartOfBlock);
+        cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
+        cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
+        selectedBlockOnTrippleClick = cursor;
+
+        anchorOnMousePress = QString();
+
+        trippleClickTimer.stop();
+    } else {
+        int cursorPos = q->hitTest(pos, Qt::FuzzyHit);
+        if (cursorPos == -1)
+            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())
+                return;
+        }
+#endif
+        if (modifiers == Qt::ShiftModifier) {
+            if (selectedBlockOnTrippleClick.hasSelection())
+                extendBlockwiseSelection(cursorPos);
+            else if (selectedWordOnDoubleClick.hasSelection())
+                extendWordwiseSelection(cursorPos, pos.x());
+            else
+                setCursorPosition(cursorPos, QTextCursor::KeepAnchor);
+        } else {
+
+            if (cursor.hasSelection()
+                && !cursorIsFocusIndicator
+                && cursorPos >= cursor.selectionStart()
+                && cursorPos <= cursor.selectionEnd()
+                && q->hitTest(pos, Qt::ExactHit) != -1) {
+#ifndef QT_NO_DRAGANDDROP
+                mightStartDrag = true;
+                dragStartPos = pos.toPoint();
+#endif
+                return;
+            }
+
+            setCursorPosition(cursorPos);
+        }
+    }
+
+    if (interactionFlags & Qt::TextEditable) {
+        q->ensureCursorVisible();
+        if (cursor.position() != oldCursorPos)
+            emit q->cursorPositionChanged();
+        _q_updateCurrentCharFormatAndSelection();
+    } else {
+        if (cursor.position() != oldCursorPos)
+            emit q->cursorPositionChanged();
+        selectionChanged();
+    }
+    repaintOldAndNewSelection(oldSelection);
+    hadSelectionOnMousePress = cursor.hasSelection();
+}
+
+void QTextControlPrivate::mouseMoveEvent(Qt::MouseButtons buttons, const QPointF &mousePos)
+{
+    Q_Q(QTextControl);
+
+    if (interactionFlags & Qt::LinksAccessibleByMouse) {
+        QString anchor = q->anchorAt(mousePos);
+        if (anchor != highlightedAnchor) {
+            highlightedAnchor = anchor;
+            emit q->linkHovered(anchor);
+        }
+    }
+
+    if (!(buttons & Qt::LeftButton))
+        return;
+
+    if (!((interactionFlags & Qt::TextSelectableByMouse) || (interactionFlags & Qt::TextEditable)))
+        return;
+
+    if (!(mousePressed
+          || selectedWordOnDoubleClick.hasSelection()
+          || selectedBlockOnTrippleClick.hasSelection()))
+        return;
+
+    const QTextCursor oldSelection = cursor;
+    const int oldCursorPos = cursor.position();
+
+    if (mightStartDrag) {
+        if ((mousePos.toPoint() - dragStartPos).manhattanLength() > QApplication::startDragDistance())
+            startDrag();
+        return;
+    }
+    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;
+
+    if (selectedBlockOnTrippleClick.hasSelection())
+        extendBlockwiseSelection(newCursorPos);
+    else if (selectedWordOnDoubleClick.hasSelection())
+        extendWordwiseSelection(newCursorPos, mouseX);
+    else
+        setCursorPosition(newCursorPos, QTextCursor::KeepAnchor);
+
+    if (interactionFlags & Qt::TextEditable) {
+        // don't call ensureVisible for the visible cursor to avoid jumping
+        // scrollbars. the autoscrolling ensures smooth scrolling if necessary.
+        //q->ensureCursorVisible();
+        if (cursor.position() != oldCursorPos)
+            emit q->cursorPositionChanged();
+        _q_updateCurrentCharFormatAndSelection();
+        if (QInputContext *ic = inputContext()) {
+            ic->update();
+        }
+    } else {
+        //emit q->visibilityRequest(QRectF(mousePos, QSizeF(1, 1)));
+        if (cursor.position() != oldCursorPos)
+            emit q->cursorPositionChanged();
+    }
+    selectionChanged(true);
+    repaintOldAndNewSelection(oldSelection);
+}
+
+void QTextControlPrivate::mouseReleaseEvent(Qt::MouseButton button, const QPointF &pos)
+{
+    Q_Q(QTextControl);
+
+    const QTextCursor oldSelection = cursor;
+    const int oldCursorPos = cursor.position();
+
+#ifndef QT_NO_DRAGANDDROP
+    if (mightStartDrag && (button & Qt::LeftButton)) {
+        mousePressed = false;
+        setCursorPosition(pos);
+        cursor.clearSelection();
+        selectionChanged();
+    }
+#endif
+    if (mousePressed) {
+        mousePressed = false;
+#ifndef QT_NO_CLIPBOARD
+        if (interactionFlags & Qt::TextSelectableByMouse) {
+            setClipboardSelection();
+            selectionChanged(true);
+        }
+    } else if (button == Qt::MidButton
+               && (interactionFlags & Qt::TextEditable)
+               && QApplication::clipboard()->supportsSelection()) {
+        setCursorPosition(pos);
+        const QMimeData *md = QApplication::clipboard()->mimeData(QClipboard::Selection);
+        if (md)
+            q->insertFromMimeData(md);
+#endif
+    }
+
+    repaintOldAndNewSelection(oldSelection);
+
+    if (cursor.position() != oldCursorPos)
+        emit q->cursorPositionChanged();
+
+    if (interactionFlags & Qt::LinksAccessibleByMouse) {
+        if (!(button & Qt::LeftButton))
+            return;
+
+        const QString anchor = q->anchorAt(pos);
+
+        if (anchor.isEmpty())
+            return;
+
+        if (!cursor.hasSelection()
+            || (anchor == anchorOnMousePress && hadSelectionOnMousePress)) {
+
+            const int anchorPos = q->hitTest(pos, Qt::ExactHit);
+            if (anchorPos != -1) {
+                cursor.setPosition(anchorPos);
+
+                QString anchor = anchorOnMousePress;
+                anchorOnMousePress = QString();
+                activateLinkUnderCursor(anchor);
+            }
+        }
+    }
+}
+
+void QTextControlPrivate::mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos)
+{
+    Q_Q(QTextControl);
+    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;
+#endif
+    const QTextCursor oldSelection = cursor;
+    setCursorPosition(pos);
+    QTextLine line = currentTextLine(cursor);
+    bool doEmit = false;
+    if (line.isValid() && line.textLength()) {
+        cursor.select(QTextCursor::WordUnderCursor);
+        doEmit = true;
+    }
+    repaintOldAndNewSelection(oldSelection);
+
+    cursorIsFocusIndicator = false;
+    selectedWordOnDoubleClick = cursor;
+
+    trippleClickPoint = pos;
+    trippleClickTimer.start(QApplication::doubleClickInterval(), q);
+    if (doEmit) {
+        selectionChanged();
+#ifndef QT_NO_CLIPBOARD
+        setClipboardSelection();
+#endif
+        emit q->cursorPositionChanged();
+    }
+}
+
+void QTextControlPrivate::contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget)
+{
+#ifdef QT_NO_CONTEXTMENU
+    Q_UNUSED(screenPos);
+    Q_UNUSED(docPos);
+    Q_UNUSED(contextWidget);
+#else
+    Q_Q(QTextControl);
+    if (!hasFocus)
+        return;
+    QMenu *menu = q->createStandardContextMenu(docPos, contextWidget);
+    if (!menu)
+        return;
+    menu->exec(screenPos);
+    delete menu;
+#endif
+}
+
+bool QTextControlPrivate::dragEnterEvent(QEvent *e, const QMimeData *mimeData)
+{
+    Q_Q(QTextControl);
+    if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) {
+        e->ignore();
+        return false;
+    }
+
+    dndFeedbackCursor = QTextCursor();
+
+    return true; // accept proposed action
+}
+
+void QTextControlPrivate::dragLeaveEvent()
+{
+    Q_Q(QTextControl);
+
+    const QRectF crect = q->cursorRect(dndFeedbackCursor);
+    dndFeedbackCursor = QTextCursor();
+
+    if (crect.isValid())
+        emit q->updateRequest(crect);
+}
+
+bool QTextControlPrivate::dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos)
+{
+    Q_Q(QTextControl);
+    if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData)) {
+        e->ignore();
+        return false;
+    }
+
+    const int cursorPos = q->hitTest(pos, Qt::FuzzyHit);
+    if (cursorPos != -1) {
+        QRectF crect = q->cursorRect(dndFeedbackCursor);
+        if (crect.isValid())
+            emit q->updateRequest(crect);
+
+        dndFeedbackCursor = cursor;
+        dndFeedbackCursor.setPosition(cursorPos);
+
+        crect = q->cursorRect(dndFeedbackCursor);
+        emit q->updateRequest(crect);
+    }
+
+    return true; // accept proposed action
+}
+
+bool QTextControlPrivate::dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QWidget *source)
+{
+    Q_Q(QTextControl);
+    dndFeedbackCursor = QTextCursor();
+
+    if (!(interactionFlags & Qt::TextEditable) || !q->canInsertFromMimeData(mimeData))
+        return false;
+
+    repaintSelection();
+
+    QTextCursor insertionCursor = q->cursorForPosition(pos);
+    insertionCursor.beginEditBlock();
+
+    if (dropAction == Qt::MoveAction && source == contextWidget)
+        cursor.removeSelectedText();
+
+    cursor = insertionCursor;
+    q->insertFromMimeData(mimeData);
+    insertionCursor.endEditBlock();
+    q->ensureCursorVisible();
+    return true; // accept proposed action
+}
+
+void QTextControlPrivate::inputMethodEvent(QInputMethodEvent *e)
+{
+    Q_Q(QTextControl);
+    if (!(interactionFlags & Qt::TextEditable) || cursor.isNull()) {
+        e->ignore();
+        return;
+    }
+    bool isGettingInput = !e->commitString().isEmpty() || !e->preeditString().isEmpty()
+            || e->replacementLength() > 0;
+
+    if (isGettingInput) {
+        cursor.beginEditBlock();
+        cursor.removeSelectedText();
+    }
+
+    // insert commit string
+    if (!e->commitString().isEmpty() || e->replacementLength()) {
+        QTextCursor c = cursor;
+        c.setPosition(c.position() + e->replacementStart());
+        c.setPosition(c.position() + e->replacementLength(), QTextCursor::KeepAnchor);
+        c.insertText(e->commitString());
+    }
+
+    for (int i = 0; i < e->attributes().size(); ++i) {
+        const QInputMethodEvent::Attribute &a = e->attributes().at(i);
+        if (a.type == QInputMethodEvent::Selection) {
+            QTextCursor oldCursor = cursor;
+            int blockStart = a.start + cursor.block().position();
+            cursor.setPosition(blockStart, QTextCursor::MoveAnchor);
+            cursor.setPosition(blockStart + a.length, QTextCursor::KeepAnchor);
+            q->ensureCursorVisible();
+            repaintOldAndNewSelection(oldCursor);
+        }
+    }
+
+    QTextBlock block = cursor.block();
+    QTextLayout *layout = block.layout();
+    layout->setPreeditArea(cursor.position() - block.position(), e->preeditString());
+    QList<QTextLayout::FormatRange> overrides;
+    preeditCursor = e->preeditString().length();
+    hideCursor = false;
+    for (int i = 0; i < e->attributes().size(); ++i) {
+        const QInputMethodEvent::Attribute &a = e->attributes().at(i);
+        if (a.type == QInputMethodEvent::Cursor) {
+            preeditCursor = a.start;
+            hideCursor = !a.length;
+        } else if (a.type == QInputMethodEvent::TextFormat) {
+            QTextCharFormat f = qvariant_cast<QTextFormat>(a.value).toCharFormat();
+            if (f.isValid()) {
+                QTextLayout::FormatRange o;
+                o.start = a.start + cursor.position() - block.position();
+                o.length = a.length;
+                o.format = f;
+                overrides.append(o);
+            }
+        }
+    }
+    layout->setAdditionalFormats(overrides);
+
+    if (isGettingInput)
+        cursor.endEditBlock();
+}
+
+QVariant QTextControl::inputMethodQuery(Qt::InputMethodQuery property) const
+{
+    Q_D(const QTextControl);
+    QTextBlock block = d->cursor.block();
+    switch(property) {
+    case Qt::ImMicroFocus:
+        return cursorRect();
+    case Qt::ImFont:
+        return QVariant(d->cursor.charFormat().font());
+    case Qt::ImCursorPosition:
+        return QVariant(d->cursor.position() - block.position());
+    case Qt::ImSurroundingText:
+        return QVariant(block.text());
+    case Qt::ImCurrentSelection:
+        return QVariant(d->cursor.selectedText());
+    case Qt::ImMaximumTextLength:
+        return QVariant(); // No limit.
+    case Qt::ImAnchorPosition:
+        return QVariant(qBound(0, d->cursor.anchor() - block.position(), block.length()));
+    default:
+        return QVariant();
+    }
+}
+
+void QTextControl::setFocus(bool focus, Qt::FocusReason reason)
+{
+    QFocusEvent ev(focus ? QEvent::FocusIn : QEvent::FocusOut,
+                   reason);
+    processEvent(&ev);
+}
+
+void QTextControlPrivate::focusEvent(QFocusEvent *e)
+{
+    Q_Q(QTextControl);
+    emit q->updateRequest(q->selectionRect());
+    if (e->gotFocus()) {
+#ifdef QT_KEYPAD_NAVIGATION
+        if (!QApplication::keypadNavigationEnabled() || (hasEditFocus && e->reason() == Qt::PopupFocusReason)) {
+#endif
+        cursorOn = (interactionFlags & Qt::TextSelectableByKeyboard);
+        if (interactionFlags & Qt::TextEditable) {
+            setBlinkingCursorEnabled(true);
+        }
+#ifdef QT_KEYPAD_NAVIGATION
+        }
+#endif
+    } else {
+        setBlinkingCursorEnabled(false);
+
+        if (cursorIsFocusIndicator
+            && e->reason() != Qt::ActiveWindowFocusReason
+            && e->reason() != Qt::PopupFocusReason
+            && cursor.hasSelection()) {
+            cursor.clearSelection();
+        }
+    }
+    hasFocus = e->gotFocus();
+}
+
+QString QTextControlPrivate::anchorForCursor(const QTextCursor &anchorCursor) const
+{
+    if (anchorCursor.hasSelection()) {
+        QTextCursor cursor = anchorCursor;
+        if (cursor.selectionStart() != cursor.position())
+            cursor.setPosition(cursor.selectionStart());
+        cursor.movePosition(QTextCursor::NextCharacter);
+        QTextCharFormat fmt = cursor.charFormat();
+        if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref))
+            return fmt.stringProperty(QTextFormat::AnchorHref);
+    }
+    return QString();
+}
+
+#ifdef QT_KEYPAD_NAVIGATION
+void QTextControlPrivate::editFocusEvent(QEvent *e)
+{
+    Q_Q(QTextControl);
+
+    if (QApplication::keypadNavigationEnabled()) {
+        if (e->type() == QEvent::EnterEditFocus && interactionFlags & Qt::TextEditable) {
+            const QTextCursor oldSelection = cursor;
+            const int oldCursorPos = cursor.position();
+            const bool moved = cursor.movePosition(QTextCursor::End, QTextCursor::MoveAnchor);
+            q->ensureCursorVisible();
+            if (moved) {
+                if (cursor.position() != oldCursorPos)
+                    emit q->cursorPositionChanged();
+                emit q->microFocusChanged();
+            }
+            selectionChanged();
+            repaintOldAndNewSelection(oldSelection);
+
+            setBlinkingCursorEnabled(true);
+        } else
+            setBlinkingCursorEnabled(false);
+    }
+
+    hasEditFocus = e->type() == QEvent::EnterEditFocus ? true : false;
+}
+#endif
+
+#ifndef QT_NO_CONTEXTMENU
+QMenu *QTextControl::createStandardContextMenu(const QPointF &pos, QWidget *parent)
+{
+    Q_D(QTextControl);
+
+    const bool showTextSelectionActions = d->interactionFlags & (Qt::TextEditable | Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse);
+
+    d->linkToCopy = QString();
+    if (!pos.isNull())
+        d->linkToCopy = anchorAt(pos);
+
+    if (d->linkToCopy.isEmpty() && !showTextSelectionActions)
+        return 0;
+
+    QMenu *menu = new QMenu(parent);
+    QAction *a;
+
+    if (d->interactionFlags & Qt::TextEditable) {
+        a = menu->addAction(tr("&Undo") + ACCEL_KEY(QKeySequence::Undo), this, SLOT(undo()));
+        a->setEnabled(d->doc->isUndoAvailable());
+        a = menu->addAction(tr("&Redo") + ACCEL_KEY(QKeySequence::Redo), this, SLOT(redo()));
+        a->setEnabled(d->doc->isRedoAvailable());
+        menu->addSeparator();
+
+        a = menu->addAction(tr("Cu&t") + ACCEL_KEY(QKeySequence::Cut), this, SLOT(cut()));
+        a->setEnabled(d->cursor.hasSelection());
+    }
+
+    if (showTextSelectionActions) {
+        a = menu->addAction(tr("&Copy") + ACCEL_KEY(QKeySequence::Copy), this, SLOT(copy()));
+        a->setEnabled(d->cursor.hasSelection());
+    }
+
+    if ((d->interactionFlags & Qt::LinksAccessibleByKeyboard)
+            || (d->interactionFlags & Qt::LinksAccessibleByMouse)) {
+
+        a = menu->addAction(tr("Copy &Link Location"), this, SLOT(_q_copyLink()));
+        a->setEnabled(!d->linkToCopy.isEmpty());
+    }
+
+    if (d->interactionFlags & Qt::TextEditable) {
+#if !defined(QT_NO_CLIPBOARD)
+        a = menu->addAction(tr("&Paste") + ACCEL_KEY(QKeySequence::Paste), this, SLOT(paste()));
+        a->setEnabled(canPaste());
+#endif
+        a = menu->addAction(tr("Delete"), this, SLOT(_q_deleteSelected()));
+        a->setEnabled(d->cursor.hasSelection());
+    }
+
+
+    if (showTextSelectionActions) {
+        menu->addSeparator();
+        a = menu->addAction(tr("Select All") + ACCEL_KEY(QKeySequence::SelectAll), this, SLOT(selectAll()));
+        a->setEnabled(!d->doc->isEmpty());
+    }
+
+#if !defined(QT_NO_IM)
+    if (d->contextWidget) {
+        QInputContext *qic = d->inputContext();
+        if (qic) {
+            QList<QAction *> imActions = qic->actions();
+            for (int i = 0; i < imActions.size(); ++i)
+                menu->addAction(imActions.at(i));
+        }
+    }
+#endif
+
+#if defined(Q_WS_WIN)
+    if ((d->interactionFlags & Qt::TextEditable) && qt_use_rtl_extensions) {
+#else
+    if (d->interactionFlags & Qt::TextEditable) {
+#endif
+        menu->addSeparator();
+        QUnicodeControlCharacterMenu *ctrlCharacterMenu = new QUnicodeControlCharacterMenu(this, menu);
+        menu->addMenu(ctrlCharacterMenu);
+    }
+
+    return menu;
+}
+#endif // QT_NO_CONTEXTMENU
+
+QTextCursor QTextControl::cursorForPosition(const QPointF &pos) const
+{
+    Q_D(const QTextControl);
+    int cursorPos = hitTest(pos, Qt::FuzzyHit);
+    if (cursorPos == -1)
+        cursorPos = 0;
+    QTextCursor c(d->doc);
+    c.setPosition(cursorPos);
+    return c;
+}
+
+QRectF QTextControl::cursorRect(const QTextCursor &cursor) const
+{
+    Q_D(const QTextControl);
+    if (cursor.isNull())
+        return QRectF();
+
+    return d->rectForPosition(cursor.position());
+}
+
+QRectF QTextControl::cursorRect() const
+{
+    Q_D(const QTextControl);
+    return cursorRect(d->cursor);
+}
+
+QRectF QTextControlPrivate::cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const
+{
+    if (cursor.isNull())
+        return QRectF();
+
+    return rectForPosition(cursor.position()).adjusted(-4, 0, 4, 0);
+}
+
+QString QTextControl::anchorAt(const QPointF &pos) const
+{
+    Q_D(const QTextControl);
+    return d->doc->documentLayout()->anchorAt(pos);
+}
+
+QString QTextControl::anchorAtCursor() const
+{
+    Q_D(const QTextControl);
+
+    return d->anchorForCursor(d->cursor);
+}
+
+bool QTextControl::overwriteMode() const
+{
+    Q_D(const QTextControl);
+    return d->overwriteMode;
+}
+
+void QTextControl::setOverwriteMode(bool overwrite)
+{
+    Q_D(QTextControl);
+    d->overwriteMode = overwrite;
+}
+
+int QTextControl::cursorWidth() const
+{
+#ifndef QT_NO_PROPERTIES
+    Q_D(const QTextControl);
+    return d->doc->documentLayout()->property("cursorWidth").toInt();
+#else
+    return 1;
+#endif
+}
+
+void QTextControl::setCursorWidth(int width)
+{
+    Q_D(QTextControl);
+#ifdef QT_NO_PROPERTIES
+    Q_UNUSED(width);
+#else
+    if (width == -1)
+        width = QApplication::style()->pixelMetric(QStyle::PM_TextCursorWidth);
+    d->doc->documentLayout()->setProperty("cursorWidth", width);
+#endif
+    d->repaintCursor();
+}
+
+bool QTextControl::acceptRichText() const
+{
+    Q_D(const QTextControl);
+    return d->acceptRichText;
+}
+
+void QTextControl::setAcceptRichText(bool accept)
+{
+    Q_D(QTextControl);
+    d->acceptRichText = accept;
+}
+
+#ifndef QT_NO_TEXTEDIT
+
+void QTextControl::setExtraSelections(const QList<QTextEdit::ExtraSelection> &selections)
+{
+    Q_D(QTextControl);
+
+    QHash<int, int> hash;
+    for (int i = 0; i < d->extraSelections.count(); ++i) {
+        const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(i);
+        hash.insertMulti(esel.cursor.anchor(), i);
+    }
+
+    for (int i = 0; i < selections.count(); ++i) {
+        const QTextEdit::ExtraSelection &sel = selections.at(i);
+        QHash<int, int>::iterator it = hash.find(sel.cursor.anchor());
+        if (it != hash.end()) {
+            const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(it.value());
+            if (esel.cursor.position() == sel.cursor.position()
+                && esel.format == sel.format) {
+                hash.erase(it);
+                continue;
+            }
+        }
+        QRectF r = selectionRect(sel.cursor);
+        if (sel.format.boolProperty(QTextFormat::FullWidthSelection)) {
+            r.setLeft(0);
+            r.setWidth(qreal(INT_MAX));
+        }
+        emit updateRequest(r);
+    }
+
+    for (QHash<int, int>::iterator it = hash.begin(); it != hash.end(); ++it) {
+        const QAbstractTextDocumentLayout::Selection &esel = d->extraSelections.at(it.value());
+        QRectF r = selectionRect(esel.cursor);
+        if (esel.format.boolProperty(QTextFormat::FullWidthSelection)) {
+            r.setLeft(0);
+            r.setWidth(qreal(INT_MAX));
+        }
+        emit updateRequest(r);
+    }
+
+    d->extraSelections.resize(selections.count());
+    for (int i = 0; i < selections.count(); ++i) {
+        d->extraSelections[i].cursor = selections.at(i).cursor;
+        d->extraSelections[i].format = selections.at(i).format;
+    }
+}
+
+QList<QTextEdit::ExtraSelection> QTextControl::extraSelections() const
+{
+    Q_D(const QTextControl);
+    QList<QTextEdit::ExtraSelection> selections;
+    for (int i = 0; i < d->extraSelections.count(); ++i) {
+        QTextEdit::ExtraSelection sel;
+        sel.cursor = d->extraSelections.at(i).cursor;
+        sel.format = d->extraSelections.at(i).format;
+        selections.append(sel);
+    }
+    return selections;
+}
+
+#endif // QT_NO_TEXTEDIT
+
+void QTextControl::setTextWidth(qreal width)
+{
+    Q_D(QTextControl);
+    d->doc->setTextWidth(width);
+}
+
+qreal QTextControl::textWidth() const
+{
+    Q_D(const QTextControl);
+    return d->doc->textWidth();
+}
+
+QSizeF QTextControl::size() const
+{
+    Q_D(const QTextControl);
+    return d->doc->size();
+}
+
+void QTextControl::setOpenExternalLinks(bool open)
+{
+    Q_D(QTextControl);
+    d->openExternalLinks = open;
+}
+
+bool QTextControl::openExternalLinks() const
+{
+    Q_D(const QTextControl);
+    return d->openExternalLinks;
+}
+
+void QTextControl::moveCursor(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode)
+{
+    Q_D(QTextControl);
+    const QTextCursor oldSelection = d->cursor;
+    const bool moved = d->cursor.movePosition(op, mode);
+    d->_q_updateCurrentCharFormatAndSelection();
+    ensureCursorVisible();
+    d->repaintOldAndNewSelection(oldSelection);
+    if (moved)
+        emit cursorPositionChanged();
+}
+
+bool QTextControl::canPaste() const
+{
+#ifndef QT_NO_CLIPBOARD
+    Q_D(const QTextControl);
+    if (d->interactionFlags & Qt::TextEditable) {
+        const QMimeData *md = QApplication::clipboard()->mimeData();
+        return md && canInsertFromMimeData(md);
+    }
+#endif
+    return false;
+}
+
+void QTextControl::setCursorIsFocusIndicator(bool b)
+{
+    Q_D(QTextControl);
+    d->cursorIsFocusIndicator = b;
+    d->repaintCursor();
+}
+
+bool QTextControl::cursorIsFocusIndicator() const
+{
+    Q_D(const QTextControl);
+    return d->cursorIsFocusIndicator;
+}
+
+#ifndef QT_NO_PRINTER
+void QTextControl::print(QPrinter *printer) const
+{
+#ifndef QT_NO_PRINTER
+    Q_D(const QTextControl);
+    if (!printer || !printer->isValid())
+        return;
+    QTextDocument *tempDoc = 0;
+    const QTextDocument *doc = d->doc;
+    if (printer->printRange() == QPrinter::Selection) {
+        if (!d->cursor.hasSelection())
+            return;
+        tempDoc = new QTextDocument(const_cast<QTextDocument *>(doc));
+        tempDoc->setMetaInformation(QTextDocument::DocumentTitle, doc->metaInformation(QTextDocument::DocumentTitle));
+        tempDoc->setPageSize(doc->pageSize());
+        tempDoc->setDefaultFont(doc->defaultFont());
+        tempDoc->setUseDesignMetrics(doc->useDesignMetrics());
+        QTextCursor(tempDoc).insertFragment(d->cursor.selection());
+        doc = tempDoc;
+    }
+    doc->print(printer);
+    delete tempDoc;
+#endif
+}
+#endif // QT_NO_PRINTER
+
+QMimeData *QTextControl::createMimeDataFromSelection() const
+{
+    Q_D(const QTextControl);
+    const QTextDocumentFragment fragment(d->cursor);
+    return new QTextEditMimeData(fragment);
+}
+
+bool QTextControl::canInsertFromMimeData(const QMimeData *source) const
+{
+    Q_D(const QTextControl);
+    if (d->acceptRichText)
+        return (source->hasText() && !source->text().isEmpty())
+            || source->hasHtml()
+            || source->hasFormat(QLatin1String("application/x-qrichtext"))
+            || source->hasFormat(QLatin1String("application/x-qt-richtext"));
+    else
+        return source->hasText() && !source->text().isEmpty();
+}
+
+void QTextControl::insertFromMimeData(const QMimeData *source)
+{
+    Q_D(QTextControl);
+    if (!(d->interactionFlags & Qt::TextEditable) || !source)
+        return;
+
+    bool hasData = false;
+    QTextDocumentFragment fragment;
+#ifndef QT_NO_TEXTHTMLPARSER
+    if (source->hasFormat(QLatin1String("application/x-qrichtext")) && d->acceptRichText) {
+        // x-qrichtext is always UTF-8 (taken from Qt3 since we don't use it anymore).
+        QString richtext = QString::fromUtf8(source->data(QLatin1String("application/x-qrichtext")));
+        richtext.prepend(QLatin1String("<meta name=\"qrichtext\" content=\"1\" />"));
+        fragment = QTextDocumentFragment::fromHtml(richtext, d->doc);
+        hasData = true;
+    } else if (source->hasHtml() && d->acceptRichText) {
+        fragment = QTextDocumentFragment::fromHtml(source->html(), d->doc);
+        hasData = true;
+    } else {
+        QString text = source->text();
+        if (!text.isNull()) {
+            fragment = QTextDocumentFragment::fromPlainText(text);
+            hasData = true;
+        }
+    }
+#else
+    fragment = QTextDocumentFragment::fromPlainText(source->text());
+#endif // QT_NO_TEXTHTMLPARSER
+
+    if (hasData)
+        d->cursor.insertFragment(fragment);
+    ensureCursorVisible();
+}
+
+bool QTextControl::findNextPrevAnchor(const QTextCursor &startCursor, bool next, QTextCursor &newAnchor)
+{
+    Q_D(QTextControl);
+
+    int anchorStart = -1;
+    QString anchorHref;
+    int anchorEnd = -1;
+
+    if (next) {
+        const int startPos = startCursor.selectionEnd();
+
+        QTextBlock block = d->doc->findBlock(startPos);
+        QTextBlock::Iterator it = block.begin();
+
+        while (!it.atEnd() && it.fragment().position() < startPos)
+            ++it;
+
+        while (block.isValid()) {
+            anchorStart = -1;
+
+            // find next anchor
+            for (; !it.atEnd(); ++it) {
+                const QTextFragment fragment = it.fragment();
+                const QTextCharFormat fmt = fragment.charFormat();
+
+                if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref)) {
+                    anchorStart = fragment.position();
+                    anchorHref = fmt.anchorHref();
+                    break;
+                }
+            }
+
+            if (anchorStart != -1) {
+                anchorEnd = -1;
+
+                // find next non-anchor fragment
+                for (; !it.atEnd(); ++it) {
+                    const QTextFragment fragment = it.fragment();
+                    const QTextCharFormat fmt = fragment.charFormat();
+
+                    if (!fmt.isAnchor() || fmt.anchorHref() != anchorHref) {
+                        anchorEnd = fragment.position();
+                        break;
+                    }
+                }
+
+                if (anchorEnd == -1)
+                    anchorEnd = block.position() + block.length() - 1;
+
+                // make found selection
+                break;
+            }
+
+            block = block.next();
+            it = block.begin();
+        }
+    } else {
+        int startPos = startCursor.selectionStart();
+        if (startPos > 0)
+            --startPos;
+
+        QTextBlock block = d->doc->findBlock(startPos);
+        QTextBlock::Iterator blockStart = block.begin();
+        QTextBlock::Iterator it = block.end();
+
+        if (startPos == block.position()) {
+            it = block.begin();
+        } else {
+            do {
+                if (it == blockStart) {
+                    it = QTextBlock::Iterator();
+                    block = QTextBlock();
+                } else {
+                    --it;
+                }
+            } while (!it.atEnd() && it.fragment().position() + it.fragment().length() - 1 > startPos);
+        }
+
+        while (block.isValid()) {
+            anchorStart = -1;
+
+            if (!it.atEnd()) {
+                do {
+                    const QTextFragment fragment = it.fragment();
+                    const QTextCharFormat fmt = fragment.charFormat();
+
+                    if (fmt.isAnchor() && fmt.hasProperty(QTextFormat::AnchorHref)) {
+                        anchorStart = fragment.position() + fragment.length();
+                        anchorHref = fmt.anchorHref();
+                        break;
+                    }
+
+                    if (it == blockStart)
+                        it = QTextBlock::Iterator();
+                    else
+                        --it;
+                } while (!it.atEnd());
+            }
+
+            if (anchorStart != -1 && !it.atEnd()) {
+                anchorEnd = -1;
+
+                do {
+                    const QTextFragment fragment = it.fragment();
+                    const QTextCharFormat fmt = fragment.charFormat();
+
+                    if (!fmt.isAnchor() || fmt.anchorHref() != anchorHref) {
+                        anchorEnd = fragment.position() + fragment.length();
+                        break;
+                    }
+
+                    if (it == blockStart)
+                        it = QTextBlock::Iterator();
+                    else
+                        --it;
+                } while (!it.atEnd());
+
+                if (anchorEnd == -1)
+                    anchorEnd = qMax(0, block.position());
+
+                break;
+            }
+
+            block = block.previous();
+            it = block.end();
+            if (it != block.begin())
+                --it;
+            blockStart = block.begin();
+        }
+
+    }
+
+    if (anchorStart != -1 && anchorEnd != -1) {
+        newAnchor = d->cursor;
+        newAnchor.setPosition(anchorStart);
+        newAnchor.setPosition(anchorEnd, QTextCursor::KeepAnchor);
+        return true;
+    }
+
+    return false;
+}
+
+void QTextControlPrivate::activateLinkUnderCursor(QString href)
+{
+    QTextCursor oldCursor = cursor;
+
+    if (href.isEmpty()) {
+        QTextCursor tmp = cursor;
+        if (tmp.selectionStart() != tmp.position())
+            tmp.setPosition(tmp.selectionStart());
+        tmp.movePosition(QTextCursor::NextCharacter);
+        href = tmp.charFormat().anchorHref();
+    }
+    if (href.isEmpty())
+        return;
+
+    if (!cursor.hasSelection()) {
+        QTextBlock block = cursor.block();
+        const int cursorPos = cursor.position();
+
+        QTextBlock::Iterator it = block.begin();
+        QTextBlock::Iterator linkFragment;
+
+        for (; !it.atEnd(); ++it) {
+            QTextFragment fragment = it.fragment();
+            const int fragmentPos = fragment.position();
+            if (fragmentPos <= cursorPos &&
+                fragmentPos + fragment.length() > cursorPos) {
+                linkFragment = it;
+                break;
+            }
+        }
+
+        if (!linkFragment.atEnd()) {
+            it = linkFragment;
+            cursor.setPosition(it.fragment().position());
+            if (it != block.begin()) {
+                do {
+                    --it;
+                    QTextFragment fragment = it.fragment();
+                    if (fragment.charFormat().anchorHref() != href)
+                        break;
+                    cursor.setPosition(fragment.position());
+                } while (it != block.begin());
+            }
+
+            for (it = linkFragment; !it.atEnd(); ++it) {
+                QTextFragment fragment = it.fragment();
+                if (fragment.charFormat().anchorHref() != href)
+                    break;
+                cursor.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor);
+            }
+        }
+    }
+
+    if (hasFocus) {
+        cursorIsFocusIndicator = true;
+    } else {
+        cursorIsFocusIndicator = false;
+        cursor.clearSelection();
+    }
+    repaintOldAndNewSelection(oldCursor);
+
+#ifndef QT_NO_DESKTOPSERVICES
+    if (openExternalLinks)
+        QDesktopServices::openUrl(href);
+    else
+#endif
+        emit q_func()->linkActivated(href);
+}
+
+#ifndef QT_NO_TOOLTIP
+void QTextControlPrivate::showToolTip(const QPoint &globalPos, const QPointF &pos, QWidget *contextWidget)
+{
+    const QString toolTip = q_func()->cursorForPosition(pos).charFormat().toolTip();
+    if (toolTip.isEmpty())
+        return;
+    QToolTip::showText(globalPos, toolTip, contextWidget);
+}
+#endif // QT_NO_TOOLTIP
+
+bool QTextControl::setFocusToNextOrPreviousAnchor(bool next)
+{
+    Q_D(QTextControl);
+
+    if (!(d->interactionFlags & Qt::LinksAccessibleByKeyboard))
+        return false;
+
+    QRectF crect = selectionRect();
+    emit updateRequest(crect);
+
+    // If we don't have a current anchor, we start from the start/end
+    if (!d->cursor.hasSelection()) {
+        d->cursor = QTextCursor(d->doc);
+        if (next)
+            d->cursor.movePosition(QTextCursor::Start);
+        else
+            d->cursor.movePosition(QTextCursor::End);
+    }
+
+    QTextCursor newAnchor;
+    if (findNextPrevAnchor(d->cursor, next, newAnchor)) {
+        d->cursor = newAnchor;
+        d->cursorIsFocusIndicator = true;
+    } else {
+        d->cursor.clearSelection();
+    }
+
+    if (d->cursor.hasSelection()) {
+        crect = selectionRect();
+        emit updateRequest(crect);
+        emit visibilityRequest(crect);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+bool QTextControl::setFocusToAnchor(const QTextCursor &newCursor)
+{
+    Q_D(QTextControl);
+
+    if (!(d->interactionFlags & Qt::LinksAccessibleByKeyboard))
+        return false;
+
+    // Verify that this is an anchor.
+    const QString anchorHref = d->anchorForCursor(newCursor);
+    if (anchorHref.isEmpty())
+        return false;
+
+    // and process it
+    QRectF crect = selectionRect();
+    emit updateRequest(crect);
+
+    d->cursor.setPosition(newCursor.selectionStart());
+    d->cursor.setPosition(newCursor.selectionEnd(), QTextCursor::KeepAnchor);
+    d->cursorIsFocusIndicator = true;
+
+    crect = selectionRect();
+    emit updateRequest(crect);
+    emit visibilityRequest(crect);
+    return true;
+}
+
+void QTextControl::setTextInteractionFlags(Qt::TextInteractionFlags flags)
+{
+    Q_D(QTextControl);
+    if (flags == d->interactionFlags)
+        return;
+    d->interactionFlags = flags;
+
+    if (d->hasFocus)
+        d->setBlinkingCursorEnabled(flags & Qt::TextEditable);
+}
+
+Qt::TextInteractionFlags QTextControl::textInteractionFlags() const
+{
+    Q_D(const QTextControl);
+    return d->interactionFlags;
+}
+
+void QTextControl::mergeCurrentCharFormat(const QTextCharFormat &modifier)
+{
+    Q_D(QTextControl);
+    d->cursor.mergeCharFormat(modifier);
+    d->updateCurrentCharFormat();
+}
+
+void QTextControl::setCurrentCharFormat(const QTextCharFormat &format)
+{
+    Q_D(QTextControl);
+    d->cursor.setCharFormat(format);
+    d->updateCurrentCharFormat();
+}
+
+QTextCharFormat QTextControl::currentCharFormat() const
+{
+    Q_D(const QTextControl);
+    return d->cursor.charFormat();
+}
+
+void QTextControl::insertPlainText(const QString &text)
+{
+    Q_D(QTextControl);
+    d->cursor.insertText(text);
+}
+
+#ifndef QT_NO_TEXTHTMLPARSER
+void QTextControl::insertHtml(const QString &text)
+{
+    Q_D(QTextControl);
+    d->cursor.insertHtml(text);
+}
+#endif // QT_NO_TEXTHTMLPARSER
+
+QPointF QTextControl::anchorPosition(const QString &name) const
+{
+    Q_D(const QTextControl);
+    if (name.isEmpty())
+        return QPointF();
+
+    QRectF r;
+    for (QTextBlock block = d->doc->begin(); block.isValid(); block = block.next()) {
+        QTextCharFormat format = block.charFormat();
+        if (format.isAnchor() && format.anchorNames().contains(name)) {
+            r = d->rectForPosition(block.position());
+            break;
+        }
+
+        for (QTextBlock::Iterator it = block.begin(); !it.atEnd(); ++it) {
+            QTextFragment fragment = it.fragment();
+            format = fragment.charFormat();
+            if (format.isAnchor() && format.anchorNames().contains(name)) {
+                r = d->rectForPosition(fragment.position());
+                block = QTextBlock();
+                break;
+            }
+        }
+    }
+    if (!r.isValid())
+        return QPointF();
+    return QPointF(0, r.top());
+}
+
+void QTextControl::adjustSize()
+{
+    Q_D(QTextControl);
+    d->doc->adjustSize();
+}
+
+bool QTextControl::find(const QString &exp, QTextDocument::FindFlags options)
+{
+    Q_D(QTextControl);
+    QTextCursor search = d->doc->find(exp, d->cursor, options);
+    if (search.isNull())
+        return false;
+
+    setTextCursor(search);
+    return true;
+}
+
+
+
+void QTextControlPrivate::append(const QString &text, Qt::TextFormat format)
+{
+    QTextCursor tmp(doc);
+    tmp.beginEditBlock();
+    tmp.movePosition(QTextCursor::End);
+
+    if (!doc->isEmpty())
+        tmp.insertBlock(cursor.blockFormat(), cursor.charFormat());
+    else
+        tmp.setCharFormat(cursor.charFormat());
+
+    // preserve the char format
+    QTextCharFormat oldCharFormat = cursor.charFormat();
+
+#ifndef QT_NO_TEXTHTMLPARSER
+    if (format == Qt::RichText || (format == Qt::AutoText && Qt::mightBeRichText(text))) {
+        tmp.insertHtml(text);
+    } else {
+        tmp.insertText(text);
+    }
+#else
+    tmp.insertText(text);
+#endif // QT_NO_TEXTHTMLPARSER
+    if (!cursor.hasSelection())
+        cursor.setCharFormat(oldCharFormat);
+
+    tmp.endEditBlock();
+}
+
+void QTextControl::append(const QString &text)
+{
+    Q_D(QTextControl);
+    d->append(text, Qt::AutoText);
+}
+
+void QTextControl::appendHtml(const QString &html)
+{
+    Q_D(QTextControl);
+    d->append(html, Qt::RichText);
+}
+
+void QTextControl::appendPlainText(const QString &text)
+{
+    Q_D(QTextControl);
+    d->append(text, Qt::PlainText);
+}
+
+
+void QTextControl::ensureCursorVisible()
+{
+    Q_D(QTextControl);
+    QRectF crect = d->rectForPosition(d->cursor.position()).adjusted(-5, 0, 5, 0);
+    emit visibilityRequest(crect);
+    emit microFocusChanged();
+}
+
+QPalette QTextControl::palette() const
+{
+    Q_D(const QTextControl);
+    return d->palette;
+}
+
+void QTextControl::setPalette(const QPalette &pal)
+{
+    Q_D(QTextControl);
+    d->palette = pal;
+}
+
+QAbstractTextDocumentLayout::PaintContext QTextControl::getPaintContext(QWidget *widget) const
+{
+    Q_D(const QTextControl);
+
+    QAbstractTextDocumentLayout::PaintContext ctx;
+
+    ctx.selections = d->extraSelections;
+    ctx.palette = d->palette;
+    if (d->cursorOn && d->isEnabled) {
+        if (d->hideCursor)
+            ctx.cursorPosition = -1;
+        else if (d->preeditCursor != 0)
+            ctx.cursorPosition = - (d->preeditCursor + 2);
+        else
+            ctx.cursorPosition = d->cursor.position();
+    }
+
+    if (!d->dndFeedbackCursor.isNull())
+        ctx.cursorPosition = d->dndFeedbackCursor.position();
+#ifdef QT_KEYPAD_NAVIGATION
+    if (!QApplication::keypadNavigationEnabled() || d->hasEditFocus)
+#endif
+    if (d->cursor.hasSelection()) {
+        QAbstractTextDocumentLayout::Selection selection;
+        selection.cursor = d->cursor;
+        if (d->cursorIsFocusIndicator) {
+            QStyleOption opt;
+            opt.palette = ctx.palette;
+            QStyleHintReturnVariant ret;
+            QStyle *style = QApplication::style();
+            if (widget)
+                style = widget->style();
+            style->styleHint(QStyle::SH_TextControl_FocusIndicatorTextCharFormat, &opt, widget, &ret);
+            selection.format = qVariantValue<QTextFormat>(ret.variant).toCharFormat();
+        } else {
+            QPalette::ColorGroup cg = d->hasFocus ? QPalette::Active : QPalette::Inactive;
+            selection.format.setBackground(ctx.palette.brush(cg, QPalette::Highlight));
+            selection.format.setForeground(ctx.palette.brush(cg, QPalette::HighlightedText));
+            QStyleOption opt;
+            QStyle *style = QApplication::style();
+            if (widget) {
+                opt.initFrom(widget);
+                style = widget->style();
+            }
+            if (style->styleHint(QStyle::SH_RichText_FullWidthSelection, &opt, widget))
+                selection.format.setProperty(QTextFormat::FullWidthSelection, true);
+        }
+        ctx.selections.append(selection);
+    }
+
+    return ctx;
+}
+
+void QTextControl::drawContents(QPainter *p, const QRectF &rect, QWidget *widget)
+{
+    Q_D(QTextControl);
+    p->save();
+    QAbstractTextDocumentLayout::PaintContext ctx = getPaintContext(widget);
+    if (rect.isValid())
+        p->setClipRect(rect, Qt::IntersectClip);
+    ctx.clip = rect;
+
+    d->doc->documentLayout()->draw(p, ctx);
+    p->restore();
+}
+
+void QTextControlPrivate::_q_copyLink()
+{
+#ifndef QT_NO_CLIPBOARD
+    QMimeData *md = new QMimeData;
+    md->setText(linkToCopy);
+    QApplication::clipboard()->setMimeData(md);
+#endif
+}
+
+QInputContext *QTextControlPrivate::inputContext()
+{
+    QInputContext *ctx = contextWidget->inputContext();
+    if (!ctx && contextWidget->parentWidget())
+        ctx = contextWidget->parentWidget()->inputContext();
+    return ctx;
+}
+
+int QTextControl::hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const
+{
+    Q_D(const QTextControl);
+    return d->doc->documentLayout()->hitTest(point, accuracy);
+}
+
+QRectF QTextControl::blockBoundingRect(const QTextBlock &block) const
+{
+    Q_D(const QTextControl);
+    return d->doc->documentLayout()->blockBoundingRect(block);
+}
+
+#ifndef QT_NO_CONTEXTMENU
+#define NUM_CONTROL_CHARACTERS 10
+const struct QUnicodeControlCharacter {
+    const char *text;
+    ushort character;
+} qt_controlCharacters[NUM_CONTROL_CHARACTERS] = {
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRM Left-to-right mark"), 0x200e },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLM Right-to-left mark"), 0x200f },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWJ Zero width joiner"), 0x200d },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWNJ Zero width non-joiner"), 0x200c },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "ZWSP Zero width space"), 0x200b },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRE Start of left-to-right embedding"), 0x202a },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLE Start of right-to-left embedding"), 0x202b },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "LRO Start of left-to-right override"), 0x202d },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "RLO Start of right-to-left override"), 0x202e },
+    { QT_TRANSLATE_NOOP("QUnicodeControlCharacterMenu", "PDF Pop directional formatting"), 0x202c },
+};
+
+QUnicodeControlCharacterMenu::QUnicodeControlCharacterMenu(QObject *_editWidget, QWidget *parent)
+    : QMenu(parent), editWidget(_editWidget)
+{
+    setTitle(tr("Insert Unicode control character"));
+    for (int i = 0; i < NUM_CONTROL_CHARACTERS; ++i) {
+        addAction(tr(qt_controlCharacters[i].text), this, SLOT(menuActionTriggered()));
+    }
+}
+
+void QUnicodeControlCharacterMenu::menuActionTriggered()
+{
+    QAction *a = qobject_cast<QAction *>(sender());
+    int idx = actions().indexOf(a);
+    if (idx < 0 || idx >= NUM_CONTROL_CHARACTERS)
+        return;
+    QChar c(qt_controlCharacters[idx].character);
+    QString str(c);
+
+#ifndef QT_NO_TEXTEDIT
+    if (QTextEdit *edit = qobject_cast<QTextEdit *>(editWidget)) {
+        edit->insertPlainText(str);
+        return;
+    }
+#endif
+    if (QTextControl *control = qobject_cast<QTextControl *>(editWidget)) {
+        control->insertPlainText(str);
+    }
+#ifndef QT_NO_LINEEDIT
+    if (QLineEdit *edit = qobject_cast<QLineEdit *>(editWidget)) {
+        edit->insert(str);
+        return;
+    }
+#endif
+}
+#endif // QT_NO_CONTEXTMENU
+
+QStringList QTextEditMimeData::formats() const
+{
+    if (!fragment.isEmpty())
+        return QStringList() << QString::fromLatin1("text/plain") << QString::fromLatin1("text/html")
+#ifndef QT_NO_TEXTODFWRITER
+            << QString::fromLatin1("application/vnd.oasis.opendocument.text")
+#endif
+        ;
+    else
+        return QMimeData::formats();
+}
+
+QVariant QTextEditMimeData::retrieveData(const QString &mimeType, QVariant::Type type) const
+{
+    if (!fragment.isEmpty())
+        setup();
+    return QMimeData::retrieveData(mimeType, type);
+}
+
+void QTextEditMimeData::setup() const
+{
+    QTextEditMimeData *that = const_cast<QTextEditMimeData *>(this);
+#ifndef QT_NO_TEXTHTMLPARSER
+    that->setData(QLatin1String("text/html"), fragment.toHtml("utf-8").toUtf8());
+#endif
+#ifndef QT_NO_TEXTODFWRITER
+    {
+        QBuffer buffer;
+        QTextDocumentWriter writer(&buffer, "ODF");
+        writer.write(fragment);
+        buffer.close();
+        that->setData(QLatin1String("application/vnd.oasis.opendocument.text"), buffer.data());
+    }
+#endif
+    that->setText(fragment.toPlainText());
+    fragment = QTextDocumentFragment();
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qtextcontrol_p.cpp"
+
+#endif // QT_NO_TEXTCONTROL