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diff --git a/src/widgets/widgets/qlineedit.cpp b/src/widgets/widgets/qlineedit.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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 "qlineedit.h"
+#include "qlineedit_p.h"
+
+#ifndef QT_NO_LINEEDIT
+#include "qaction.h"
+#include "qapplication.h"
+#include "qclipboard.h"
+#include "qdrag.h"
+#include "qdrawutil.h"
+#include "qevent.h"
+#include "qfontmetrics.h"
+#include "qmenu.h"
+#include "qpainter.h"
+#include "qpixmap.h"
+#include "qpointer.h"
+#include "qstringlist.h"
+#include "qstyle.h"
+#include "qstyleoption.h"
+#include "qtimer.h"
+#include "qvalidator.h"
+#include "qvariant.h"
+#include "qvector.h"
+#include "qwhatsthis.h"
+#include "qdebug.h"
+#include "qtextedit.h"
+#include <private/qtextedit_p.h>
+#ifndef QT_NO_ACCESSIBILITY
+#include "qaccessible.h"
+#endif
+#ifndef QT_NO_IM
+#include "qinputcontext.h"
+#include "qlist.h"
+#endif
+#include "qabstractitemview.h"
+#include "private/qstylesheetstyle_p.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
+
+#include <limits.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifdef Q_WS_MAC
+extern void qt_mac_secure_keyboard(bool); //qapplication_mac.cpp
+#endif
+
+/*!
+    Initialize \a option with the values from this QLineEdit. This method
+    is useful for subclasses when they need a QStyleOptionFrame or QStyleOptionFrameV2, but don't want
+    to fill in all the information themselves. This function will check the version
+    of the QStyleOptionFrame and fill in the additional values for a
+    QStyleOptionFrameV2.
+
+    \sa QStyleOption::initFrom()
+*/
+void QLineEdit::initStyleOption(QStyleOptionFrame *option) const
+{
+    if (!option)
+        return;
+
+    Q_D(const QLineEdit);
+    option->initFrom(this);
+    option->rect = contentsRect();
+    option->lineWidth = d->frame ? style()->pixelMetric(QStyle::PM_DefaultFrameWidth, option, this)
+                                 : 0;
+    option->midLineWidth = 0;
+    option->state |= QStyle::State_Sunken;
+    if (d->control->isReadOnly())
+        option->state |= QStyle::State_ReadOnly;
+#ifdef QT_KEYPAD_NAVIGATION
+    if (hasEditFocus())
+        option->state |= QStyle::State_HasEditFocus;
+#endif
+    if (QStyleOptionFrameV2 *optionV2 = qstyleoption_cast<QStyleOptionFrameV2 *>(option))
+        optionV2->features = QStyleOptionFrameV2::None;
+}
+
+/*!
+    \class QLineEdit
+    \brief The QLineEdit widget is a one-line text editor.
+
+    \ingroup basicwidgets
+
+
+    A line edit allows the user to enter and edit a single line of
+    plain text with a useful collection of editing functions,
+    including undo and redo, cut and paste, and drag and drop.
+
+    By changing the echoMode() of a line edit, it can also be used as
+    a "write-only" field, for inputs such as passwords.
+
+    The length of the text can be constrained to maxLength(). The text
+    can be arbitrarily constrained using a validator() or an
+    inputMask(), or both. When switching between a validator and an input mask 
+    on the same line edit, it is best to clear the validator or input mask to 
+    prevent undefined behavior. 
+
+
+    A related class is QTextEdit which allows multi-line, rich text
+    editing.
+
+    You can change the text with setText() or insert(). The text is
+    retrieved with text(); the displayed text (which may be different,
+    see \l{EchoMode}) is retrieved with displayText(). Text can be
+    selected with setSelection() or selectAll(), and the selection can
+    be cut(), copy()ied and paste()d. The text can be aligned with
+    setAlignment().
+
+    When the text changes the textChanged() signal is emitted; when
+    the text changes other than by calling setText() the textEdited()
+    signal is emitted; when the cursor is moved the
+    cursorPositionChanged() signal is emitted; and when the Return or
+    Enter key is pressed the returnPressed() signal is emitted.
+
+    When editing is finished, either because the line edit lost focus
+    or Return/Enter is pressed the editingFinished() signal is
+    emitted.
+
+    Note that if there is a validator set on the line edit, the
+    returnPressed()/editingFinished() signals will only be emitted if
+    the validator returns QValidator::Acceptable.
+
+    By default, QLineEdits have a frame as specified by the Windows
+    and Motif style guides; you can turn it off by calling
+    setFrame(false).
+
+    The default key bindings are described below. The line edit also
+    provides a context menu (usually invoked by a right mouse click)
+    that presents some of these editing options.
+    \target desc
+    \table
+    \header \i Keypress \i Action
+    \row \i Left Arrow \i Moves the cursor one character to the left.
+    \row \i Shift+Left Arrow \i Moves and selects text one character to the left.
+    \row \i Right Arrow \i Moves the cursor one character to the right.
+    \row \i Shift+Right Arrow \i Moves and selects text one character to the right.
+    \row \i Home \i Moves the cursor to the beginning of the line.
+    \row \i End \i Moves the cursor to the end of the line.
+    \row \i Backspace \i Deletes the character to the left of the cursor.
+    \row \i Ctrl+Backspace \i Deletes the word to the left of the cursor.
+    \row \i Delete \i Deletes the character to the right of the cursor.
+    \row \i Ctrl+Delete \i Deletes the word to the right of the cursor.
+    \row \i Ctrl+A \i Select all.
+    \row \i Ctrl+C \i Copies the selected text to the clipboard.
+    \row \i Ctrl+Insert \i Copies the selected text to the clipboard.
+    \row \i Ctrl+K \i Deletes to the end of the line.
+    \row \i Ctrl+V \i Pastes the clipboard text into line edit.
+    \row \i Shift+Insert \i Pastes the clipboard text into line edit.
+    \row \i Ctrl+X \i Deletes the selected text and copies it to the clipboard.
+    \row \i Shift+Delete \i Deletes the selected text and copies it to the clipboard.
+    \row \i Ctrl+Z \i Undoes the last operation.
+    \row \i Ctrl+Y \i Redoes the last undone operation.
+    \endtable
+
+    Any other key sequence that represents a valid character, will
+    cause the character to be inserted into the line edit.
+
+    \table 100%
+    \row \o \inlineimage macintosh-lineedit.png Screenshot of a Macintosh style line edit
+         \o A line edit shown in the \l{Macintosh Style Widget Gallery}{Macintosh widget style}.
+    \row \o \inlineimage windows-lineedit.png Screenshot of a Windows XP style line edit
+         \o A line edit shown in the \l{Windows XP Style Widget Gallery}{Windows XP widget style}.
+    \row \o \inlineimage plastique-lineedit.png Screenshot of a Plastique style line edit
+         \o A line edit shown in the \l{Plastique Style Widget Gallery}{Plastique widget style}.
+    \endtable
+
+    \sa QTextEdit, QLabel, QComboBox, {fowler}{GUI Design Handbook: Field, Entry}, {Line Edits Example}
+*/
+
+
+/*!
+    \fn void QLineEdit::textChanged(const QString &text)
+
+    This signal is emitted whenever the text changes. The \a text
+    argument is the new text.
+
+    Unlike textEdited(), this signal is also emitted when the text is
+    changed programmatically, for example, by calling setText().
+*/
+
+/*!
+    \fn void QLineEdit::textEdited(const QString &text)
+
+    This signal is emitted whenever the text is edited. The \a text
+    argument is the next text.
+
+    Unlike textChanged(), this signal is not emitted when the text is
+    changed programmatically, for example, by calling setText().
+*/
+
+/*!
+    \fn void QLineEdit::cursorPositionChanged(int old, int new)
+
+    This signal is emitted whenever the cursor moves. The previous
+    position is given by \a old, and the new position by \a new.
+
+    \sa setCursorPosition(), cursorPosition()
+*/
+
+/*!
+    \fn void QLineEdit::selectionChanged()
+
+    This signal is emitted whenever the selection changes.
+
+    \sa hasSelectedText(), selectedText()
+*/
+
+/*!
+    Constructs a line edit with no text.
+
+    The maximum text length is set to 32767 characters.
+
+    The \a parent argument is sent to the QWidget constructor.
+
+    \sa setText(), setMaxLength()
+*/
+QLineEdit::QLineEdit(QWidget* parent)
+    : QWidget(*new QLineEditPrivate, parent,0)
+{
+    Q_D(QLineEdit);
+    d->init(QString());
+}
+
+/*!
+    Constructs a line edit containing the text \a contents.
+
+    The cursor position is set to the end of the line and the maximum
+    text length to 32767 characters.
+
+    The \a parent and argument is sent to the QWidget
+    constructor.
+
+    \sa text(), setMaxLength()
+*/
+QLineEdit::QLineEdit(const QString& contents, QWidget* parent)
+    : QWidget(*new QLineEditPrivate, parent, 0)
+{
+    Q_D(QLineEdit);
+    d->init(contents);
+}
+
+
+#ifdef QT3_SUPPORT
+/*!
+    Constructs a line edit with no text.
+
+    The maximum text length is set to 32767 characters.
+
+    The \a parent and \a name arguments are sent to the QWidget constructor.
+
+    \sa setText(), setMaxLength()
+*/
+QLineEdit::QLineEdit(QWidget* parent, const char* name)
+    : QWidget(*new QLineEditPrivate, parent,0)
+{
+    Q_D(QLineEdit);
+    setObjectName(QString::fromAscii(name));
+    d->init(QString());
+}
+
+/*!
+    Constructs a line edit containing the text \a contents.
+
+    The cursor position is set to the end of the line and the maximum
+    text length to 32767 characters.
+
+    The \a parent and \a name arguments are sent to the QWidget
+    constructor.
+
+    \sa text(), setMaxLength()
+*/
+
+QLineEdit::QLineEdit(const QString& contents, QWidget* parent, const char* name)
+    : QWidget(*new QLineEditPrivate, parent, 0)
+{
+    Q_D(QLineEdit);
+    setObjectName(QString::fromAscii(name));
+    d->init(contents);
+}
+
+/*!
+    Constructs a line edit with an input \a inputMask and the text \a
+    contents.
+
+    The cursor position is set to the end of the line and the maximum
+    text length is set to the length of the mask (the number of mask
+    characters and separators).
+
+    The \a parent and \a name arguments are sent to the QWidget
+    constructor.
+
+    \sa setMask() text()
+*/
+QLineEdit::QLineEdit(const QString& contents, const QString &inputMask, QWidget* parent, const char* name)
+    : QWidget(*new QLineEditPrivate, parent, 0)
+{
+    Q_D(QLineEdit);
+    setObjectName(QString::fromAscii(name));
+    d->init(contents);
+    d->control->setInputMask(inputMask);
+    d->control->moveCursor(d->control->nextMaskBlank(contents.length()));
+}
+#endif
+
+/*!
+    Destroys the line edit.
+*/
+
+QLineEdit::~QLineEdit()
+{
+}
+
+
+/*!
+    \property QLineEdit::text
+    \brief the line edit's text
+
+    Setting this property clears the selection, clears the undo/redo
+    history, moves the cursor to the end of the line and resets the
+    \l modified property to false. The text is not validated when
+    inserted with setText().
+
+    The text is truncated to maxLength() length.
+
+    By default, this property contains an empty string.
+
+    \sa insert(), clear()
+*/
+QString QLineEdit::text() const
+{
+    Q_D(const QLineEdit);
+    return d->control->text();
+}
+
+void QLineEdit::setText(const QString& text)
+{
+    Q_D(QLineEdit);
+    d->control->setText(text);
+}
+
+/*!
+    \since 4.7
+
+    \property QLineEdit::placeholderText
+    \brief the line edit's placeholder text
+
+    Setting this property makes the line edit display a grayed-out
+    placeholder text as long as the text() is empty and the widget doesn't
+    have focus.
+
+    By default, this property contains an empty string.
+
+    \sa text()
+*/
+QString QLineEdit::placeholderText() const
+{
+    Q_D(const QLineEdit);
+    return d->placeholderText;
+}
+
+void QLineEdit::setPlaceholderText(const QString& placeholderText)
+{
+    Q_D(QLineEdit);
+    if (d->placeholderText != placeholderText) {
+        d->placeholderText = placeholderText;
+        if (!hasFocus())
+            update();
+    }
+}
+
+/*!
+    \property QLineEdit::displayText
+    \brief the displayed text
+
+    If \l echoMode is \l Normal this returns the same as text(); if
+    \l EchoMode is \l Password or \l PasswordEchoOnEdit it returns a string of asterisks
+    text().length() characters long, e.g. "******"; if \l EchoMode is
+    \l NoEcho returns an empty string, "".
+
+    By default, this property contains an empty string.
+
+    \sa setEchoMode() text() EchoMode
+*/
+
+QString QLineEdit::displayText() const
+{
+    Q_D(const QLineEdit);
+    return d->control->displayText();
+}
+
+
+/*!
+    \property QLineEdit::maxLength
+    \brief the maximum permitted length of the text
+
+    If the text is too long, it is truncated at the limit.
+
+    If truncation occurs any selected text will be unselected, the
+    cursor position is set to 0 and the first part of the string is
+    shown.
+
+    If the line edit has an input mask, the mask defines the maximum
+    string length.
+
+    By default, this property contains a value of 32767.
+
+    \sa inputMask
+*/
+
+int QLineEdit::maxLength() const
+{
+    Q_D(const QLineEdit);
+    return d->control->maxLength();
+}
+
+void QLineEdit::setMaxLength(int maxLength)
+{
+    Q_D(QLineEdit);
+    d->control->setMaxLength(maxLength);
+}
+
+/*!
+    \property QLineEdit::frame
+    \brief whether the line edit draws itself with a frame
+
+    If enabled (the default) the line edit draws itself inside a
+    frame, otherwise the line edit draws itself without any frame.
+*/
+bool QLineEdit::hasFrame() const
+{
+    Q_D(const QLineEdit);
+    return d->frame;
+}
+
+
+void QLineEdit::setFrame(bool enable)
+{
+    Q_D(QLineEdit);
+    d->frame = enable;
+    update();
+    updateGeometry();
+}
+
+
+/*!
+    \enum QLineEdit::EchoMode
+
+    This enum type describes how a line edit should display its
+    contents.
+
+    \value Normal   Display characters as they are entered. This is the
+                    default.
+    \value NoEcho   Do not display anything. This may be appropriate
+                    for passwords where even the length of the
+                    password should be kept secret.
+    \value Password  Display asterisks instead of the characters
+                    actually entered.
+    \value PasswordEchoOnEdit Display characters as they are entered
+                    while editing otherwise display asterisks.
+
+    \sa setEchoMode() echoMode()
+*/
+
+
+/*!
+    \property QLineEdit::echoMode
+    \brief the line edit's echo mode
+
+    The echo mode determines how the text entered in the line edit is
+    displayed (or echoed) to the user.
+
+    The most common setting is \l Normal, in which the text entered by the
+    user is displayed verbatim, but QLineEdit also supports modes that allow
+    the entered text to be suppressed or obscured: these include \l NoEcho,
+    \l Password and \l PasswordEchoOnEdit.
+
+    The widget's display and the ability to copy or drag the text is
+    affected by this setting.
+
+    By default, this property is set to \l Normal.
+
+    \sa EchoMode displayText()
+*/
+
+QLineEdit::EchoMode QLineEdit::echoMode() const
+{
+    Q_D(const QLineEdit);
+    return (EchoMode) d->control->echoMode();
+}
+
+void QLineEdit::setEchoMode(EchoMode mode)
+{
+    Q_D(QLineEdit);
+    if (mode == (EchoMode)d->control->echoMode())
+        return;
+    Qt::InputMethodHints imHints = inputMethodHints();
+    if (mode == Password || mode == NoEcho) {
+        imHints |= Qt::ImhHiddenText;
+    } else {
+        imHints &= ~Qt::ImhHiddenText;
+    }
+    if (mode != Normal) {
+        imHints |= (Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
+    } else {
+        imHints &= ~(Qt::ImhNoAutoUppercase | Qt::ImhNoPredictiveText);
+    }
+    setInputMethodHints(imHints);
+    d->control->setEchoMode(mode);
+    update();
+#ifdef Q_WS_MAC
+    if (hasFocus())
+        qt_mac_secure_keyboard(mode == Password || mode == NoEcho);
+#endif
+}
+
+
+#ifndef QT_NO_VALIDATOR
+/*!
+    Returns a pointer to the current input validator, or 0 if no
+    validator has been set.
+
+    \sa setValidator()
+*/
+
+const QValidator * QLineEdit::validator() const
+{
+    Q_D(const QLineEdit);
+    return d->control->validator();
+}
+
+/*!
+    Sets this line edit to only accept input that the validator, \a v,
+    will accept. This allows you to place any arbitrary constraints on
+    the text which may be entered.
+
+    If \a v == 0, setValidator() removes the current input validator.
+    The initial setting is to have no input validator (i.e. any input
+    is accepted up to maxLength()).
+
+    \sa validator() QIntValidator QDoubleValidator QRegExpValidator
+*/
+
+void QLineEdit::setValidator(const QValidator *v)
+{
+    Q_D(QLineEdit);
+    d->control->setValidator(v);
+}
+#endif // QT_NO_VALIDATOR
+
+#ifndef QT_NO_COMPLETER
+/*!
+    \since 4.2
+
+    Sets this line edit to provide auto completions from the completer, \a c.
+    The completion mode is set using QCompleter::setCompletionMode().
+
+    To use a QCompleter with a QValidator or QLineEdit::inputMask, you need to
+    ensure that the model provided to QCompleter contains valid entries. You can
+    use the QSortFilterProxyModel to ensure that the QCompleter's model contains
+    only valid entries.
+
+    If \a c == 0, setCompleter() removes the current completer, effectively
+    disabling auto completion.
+
+    \sa QCompleter
+*/
+void QLineEdit::setCompleter(QCompleter *c)
+{
+    Q_D(QLineEdit);
+    if (c == d->control->completer())
+        return;
+    if (d->control->completer()) {
+        disconnect(d->control->completer(), 0, this, 0);
+        d->control->completer()->setWidget(0);
+        if (d->control->completer()->parent() == this)
+            delete d->control->completer();
+    }
+    d->control->setCompleter(c);
+    if (!c)
+        return;
+    if (c->widget() == 0)
+        c->setWidget(this);
+    if (hasFocus()) {
+        QObject::connect(d->control->completer(), SIGNAL(activated(QString)),
+                         this, SLOT(setText(QString)));
+        QObject::connect(d->control->completer(), SIGNAL(highlighted(QString)),
+                         this, SLOT(_q_completionHighlighted(QString)));
+    }
+}
+
+/*!
+    \since 4.2
+
+    Returns the current QCompleter that provides completions.
+*/
+QCompleter *QLineEdit::completer() const
+{
+    Q_D(const QLineEdit);
+    return d->control->completer();
+}
+
+#endif // QT_NO_COMPLETER
+
+/*!
+    Returns a recommended size for the widget.
+
+    The width returned, in pixels, is usually enough for about 15 to
+    20 characters.
+*/
+
+QSize QLineEdit::sizeHint() const
+{
+    Q_D(const QLineEdit);
+    ensurePolished();
+    QFontMetrics fm(font());
+    int h = qMax(fm.height(), 14) + 2*d->verticalMargin
+            + d->topTextMargin + d->bottomTextMargin
+            + d->topmargin + d->bottommargin;
+    int w = fm.width(QLatin1Char('x')) * 17 + 2*d->horizontalMargin
+            + d->leftTextMargin + d->rightTextMargin
+            + d->leftmargin + d->rightmargin; // "some"
+    QStyleOptionFrameV2 opt;
+    initStyleOption(&opt);
+    return (style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h).
+                                      expandedTo(QApplication::globalStrut()), this));
+}
+
+
+/*!
+    Returns a minimum size for the line edit.
+
+    The width returned is enough for at least one character.
+*/
+
+QSize QLineEdit::minimumSizeHint() const
+{
+    Q_D(const QLineEdit);
+    ensurePolished();
+    QFontMetrics fm = fontMetrics();
+    int h = fm.height() + qMax(2*d->verticalMargin, fm.leading())
+            + d->topmargin + d->bottommargin;
+    int w = fm.maxWidth() + d->leftmargin + d->rightmargin;
+    QStyleOptionFrameV2 opt;
+    initStyleOption(&opt);
+    return (style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(w, h).
+                                      expandedTo(QApplication::globalStrut()), this));
+}
+
+
+/*!
+    \property QLineEdit::cursorPosition
+    \brief the current cursor position for this line edit
+
+    Setting the cursor position causes a repaint when appropriate.
+
+    By default, this property contains a value of 0.
+*/
+
+int QLineEdit::cursorPosition() const
+{
+    Q_D(const QLineEdit);
+    return d->control->cursorPosition();
+}
+
+void QLineEdit::setCursorPosition(int pos)
+{
+    Q_D(QLineEdit);
+    d->control->setCursorPosition(pos);
+}
+
+/*!
+    Returns the cursor position under the point \a pos.
+*/
+// ### What should this do if the point is outside of contentsRect? Currently returns 0.
+int QLineEdit::cursorPositionAt(const QPoint &pos)
+{
+    Q_D(QLineEdit);
+    return d->xToPos(pos.x());
+}
+
+
+#ifdef QT3_SUPPORT
+/*! \obsolete
+
+    Use setText(), setCursorPosition() and setSelection() instead.
+*/
+bool QLineEdit::validateAndSet(const QString &newText, int newPos,
+                                 int newMarkAnchor, int newMarkDrag)
+{
+    // The suggested functions above in the docs don't seem to validate,
+    // below code tries to mimic previous behaviour.
+    QString oldText = text();
+    setText(newText);
+    if(!hasAcceptableInput()){
+        setText(oldText);
+        return false;
+    }
+    int selstart = qMin(newMarkAnchor, newMarkDrag);
+    int sellength = qAbs(newMarkAnchor - newMarkDrag);
+    if (selstart == newPos) {
+        selstart = qMax(newMarkAnchor, newMarkDrag);
+        sellength = -sellength;
+    }
+    //setSelection also set the position
+    setSelection(selstart, sellength);
+    return true;
+}
+#endif //QT3_SUPPORT
+
+/*!
+    \property QLineEdit::alignment
+    \brief the alignment of the line edit
+
+    Both horizontal and vertical alignment is allowed here, Qt::AlignJustify
+    will map to Qt::AlignLeft.
+
+    By default, this property contains a combination of Qt::AlignLeft and Qt::AlignVCenter.
+
+    \sa Qt::Alignment
+*/
+
+Qt::Alignment QLineEdit::alignment() const
+{
+    Q_D(const QLineEdit);
+    return QFlag(d->alignment);
+}
+
+void QLineEdit::setAlignment(Qt::Alignment alignment)
+{
+    Q_D(QLineEdit);
+    d->alignment = alignment;
+    update();
+}
+
+
+/*!
+    Moves the cursor forward \a steps characters. If \a mark is true
+    each character moved over is added to the selection; if \a mark is
+    false the selection is cleared.
+
+    \sa cursorBackward()
+*/
+
+void QLineEdit::cursorForward(bool mark, int steps)
+{
+    Q_D(QLineEdit);
+    d->control->cursorForward(mark, steps);
+}
+
+
+/*!
+    Moves the cursor back \a steps characters. If \a mark is true each
+    character moved over is added to the selection; if \a mark is
+    false the selection is cleared.
+
+    \sa cursorForward()
+*/
+void QLineEdit::cursorBackward(bool mark, int steps)
+{
+    cursorForward(mark, -steps);
+}
+
+/*!
+    Moves the cursor one word forward. If \a mark is true, the word is
+    also selected.
+
+    \sa cursorWordBackward()
+*/
+void QLineEdit::cursorWordForward(bool mark)
+{
+    Q_D(QLineEdit);
+    d->control->cursorWordForward(mark);
+}
+
+/*!
+    Moves the cursor one word backward. If \a mark is true, the word
+    is also selected.
+
+    \sa cursorWordForward()
+*/
+
+void QLineEdit::cursorWordBackward(bool mark)
+{
+    Q_D(QLineEdit);
+    d->control->cursorWordBackward(mark);
+}
+
+
+/*!
+    If no text is selected, deletes the character to the left of the
+    text cursor and moves the cursor one position to the left. If any
+    text is selected, the cursor is moved to the beginning of the
+    selected text and the selected text is deleted.
+
+    \sa del()
+*/
+void QLineEdit::backspace()
+{
+    Q_D(QLineEdit);
+    d->control->backspace();
+}
+
+/*!
+    If no text is selected, deletes the character to the right of the
+    text cursor. If any text is selected, the cursor is moved to the
+    beginning of the selected text and the selected text is deleted.
+
+    \sa backspace()
+*/
+
+void QLineEdit::del()
+{
+    Q_D(QLineEdit);
+    d->control->del();
+}
+
+/*!
+    Moves the text cursor to the beginning of the line unless it is
+    already there. If \a mark is true, text is selected towards the
+    first position; otherwise, any selected text is unselected if the
+    cursor is moved.
+
+    \sa end()
+*/
+
+void QLineEdit::home(bool mark)
+{
+    Q_D(QLineEdit);
+    d->control->home(mark);
+}
+
+/*!
+    Moves the text cursor to the end of the line unless it is already
+    there. If \a mark is true, text is selected towards the last
+    position; otherwise, any selected text is unselected if the cursor
+    is moved.
+
+    \sa home()
+*/
+
+void QLineEdit::end(bool mark)
+{
+    Q_D(QLineEdit);
+    d->control->end(mark);
+}
+
+
+/*!
+    \property QLineEdit::modified
+    \brief whether the line edit's contents has been modified by the user
+
+    The modified flag is never read by QLineEdit; it has a default value
+    of false and is changed to true whenever the user changes the line
+    edit's contents.
+
+    This is useful for things that need to provide a default value but
+    do not start out knowing what the default should be (perhaps it
+    depends on other fields on the form). Start the line edit without
+    the best default, and when the default is known, if modified()
+    returns false (the user hasn't entered any text), insert the
+    default value.
+
+    Calling setText() resets the modified flag to false.
+*/
+
+bool QLineEdit::isModified() const
+{
+    Q_D(const QLineEdit);
+    return d->control->isModified();
+}
+
+void QLineEdit::setModified(bool modified)
+{
+    Q_D(QLineEdit);
+    d->control->setModified(modified);
+}
+
+
+/*!\fn QLineEdit::clearModified()
+
+Use setModified(false) instead.
+
+    \sa isModified()
+*/
+
+
+/*!
+    \property QLineEdit::hasSelectedText
+    \brief whether there is any text selected
+
+    hasSelectedText() returns true if some or all of the text has been
+    selected by the user; otherwise returns false.
+
+    By default, this property is false.
+
+    \sa selectedText()
+*/
+
+
+bool QLineEdit::hasSelectedText() const
+{
+    Q_D(const QLineEdit);
+    return d->control->hasSelectedText();
+}
+
+/*!
+    \property QLineEdit::selectedText
+    \brief the selected text
+
+    If there is no selected text this property's value is
+    an empty string.
+
+    By default, this property contains an empty string.
+
+    \sa hasSelectedText()
+*/
+
+QString QLineEdit::selectedText() const
+{
+    Q_D(const QLineEdit);
+    return d->control->selectedText();
+}
+
+/*!
+    selectionStart() returns the index of the first selected character in the
+    line edit or -1 if no text is selected.
+
+    \sa selectedText()
+*/
+
+int QLineEdit::selectionStart() const
+{
+    Q_D(const QLineEdit);
+    return d->control->selectionStart();
+}
+
+
+#ifdef QT3_SUPPORT
+
+/*!
+    \fn void QLineEdit::lostFocus()
+
+    This signal is emitted when the line edit has lost focus.
+
+    Use editingFinished() instead
+    \sa editingFinished(), returnPressed()
+*/
+
+/*!
+    Use isModified() instead.
+*/
+bool QLineEdit::edited() const { return isModified(); }
+/*!
+    Use setModified()  or setText().
+*/
+void QLineEdit::setEdited(bool on) { setModified(on); }
+
+/*!
+    There exists no equivalent functionality in Qt 4.
+*/
+int QLineEdit::characterAt(int xpos, QChar *chr) const
+{
+    Q_D(const QLineEdit);
+    int pos = d->xToPos(xpos + contentsRect().x() - d->hscroll + d->horizontalMargin);
+    QString txt = d->control->text();
+    if (chr && pos < (int) txt.length())
+        *chr = txt.at(pos);
+    return pos;
+
+}
+
+/*!
+    Use selectedText() and selectionStart() instead.
+*/
+bool QLineEdit::getSelection(int *start, int *end)
+{
+    Q_D(QLineEdit);
+    if (d->control->hasSelectedText() && start && end) {
+        *start = selectionStart();
+        *end = *start + selectedText().length();
+        return true;
+    }
+    return false;
+}
+#endif
+
+
+/*!
+    Selects text from position \a start and for \a length characters.
+    Negative lengths are allowed.
+
+    \sa deselect() selectAll() selectedText()
+*/
+
+void QLineEdit::setSelection(int start, int length)
+{
+    Q_D(QLineEdit);
+    if (start < 0 || start > (int)d->control->text().length()) {
+        qWarning("QLineEdit::setSelection: Invalid start position (%d)", start);
+        return;
+    }
+
+    d->control->setSelection(start, length);
+
+    if (d->control->hasSelectedText()){
+        QStyleOptionFrameV2 opt;
+        initStyleOption(&opt);
+        if (!style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, this))
+            d->setCursorVisible(false);
+    }
+}
+
+
+/*!
+    \property QLineEdit::undoAvailable
+    \brief whether undo is available
+
+    Undo becomes available once the user has modified the text in the line edit.
+
+    By default, this property is false.
+*/
+
+bool QLineEdit::isUndoAvailable() const
+{
+    Q_D(const QLineEdit);
+    return d->control->isUndoAvailable();
+}
+
+/*!
+    \property QLineEdit::redoAvailable
+    \brief whether redo is available
+
+    Redo becomes available once the user has performed one or more undo operations
+    on text in the line edit.
+
+    By default, this property is false.
+*/
+
+bool QLineEdit::isRedoAvailable() const
+{
+    Q_D(const QLineEdit);
+    return d->control->isRedoAvailable();
+}
+
+/*!
+    \property QLineEdit::dragEnabled
+    \brief whether the lineedit starts a drag if the user presses and
+    moves the mouse on some selected text
+
+    Dragging is disabled by default.
+*/
+
+bool QLineEdit::dragEnabled() const
+{
+    Q_D(const QLineEdit);
+    return d->dragEnabled;
+}
+
+void QLineEdit::setDragEnabled(bool b)
+{
+    Q_D(QLineEdit);
+    d->dragEnabled = b;
+}
+
+
+/*!
+  \property QLineEdit::cursorMoveStyle
+  \brief the movement style of cursor in this line edit
+  \since 4.8
+
+  When this property is set to QTextCursor::Visual, the line edit will use visual
+  movement style. Pressing the left arrow key will always cause the cursor to move
+  left, regardless of the text's writing direction. The same behavior applies to
+  right arrow key.
+
+  When the property is QTextCursor::Logical (the default), within a LTR text block,
+  increase cursor position when pressing left arrow key, decrease cursor position
+  when pressing the right arrow key. If the text block is right to left, the opposite
+  behavior applies.
+*/
+
+QTextCursor::MoveStyle QLineEdit::cursorMoveStyle() const
+{
+    Q_D(const QLineEdit);
+    return d->control->cursorMoveStyle();
+}
+
+void QLineEdit::setCursorMoveStyle(QTextCursor::MoveStyle style)
+{
+    Q_D(QLineEdit);
+    d->control->setCursorMoveStyle(style);
+}
+
+/*!
+    \property QLineEdit::acceptableInput
+    \brief whether the input satisfies the inputMask and the
+    validator.
+
+    By default, this property is true.
+
+    \sa setInputMask(), setValidator()
+*/
+bool QLineEdit::hasAcceptableInput() const
+{
+    Q_D(const QLineEdit);
+    return d->control->hasAcceptableInput();
+}
+
+/*!
+    Sets the margins around the text inside the frame to have the
+    sizes \a left, \a top, \a right, and \a bottom.
+    \since 4.5
+
+    See also getTextMargins().
+*/
+void QLineEdit::setTextMargins(int left, int top, int right, int bottom)
+{
+    Q_D(QLineEdit);
+    d->leftTextMargin = left;
+    d->topTextMargin = top;
+    d->rightTextMargin = right;
+    d->bottomTextMargin = bottom;
+    updateGeometry();
+    update();
+}
+
+/*!
+    \since 4.6
+    Sets the \a margins around the text inside the frame.
+
+    See also textMargins().
+*/
+void QLineEdit::setTextMargins(const QMargins &margins)
+{
+    setTextMargins(margins.left(), margins.top(), margins.right(), margins.bottom());
+}
+
+/*!
+    Returns the widget's text margins for \a left, \a top, \a right, and \a bottom.
+    \since 4.5
+
+    \sa setTextMargins()
+*/
+void QLineEdit::getTextMargins(int *left, int *top, int *right, int *bottom) const
+{
+    Q_D(const QLineEdit);
+    if (left)
+        *left = d->leftTextMargin;
+    if (top)
+        *top = d->topTextMargin;
+    if (right)
+        *right = d->rightTextMargin;
+    if (bottom)
+        *bottom = d->bottomTextMargin;
+}
+
+/*!
+    \since 4.6
+    Returns the widget's text margins.
+
+    \sa setTextMargins()
+*/
+QMargins QLineEdit::textMargins() const
+{
+    Q_D(const QLineEdit);
+    return QMargins(d->leftTextMargin, d->topTextMargin, d->rightTextMargin, d->bottomTextMargin);
+}
+
+/*!
+    \property QLineEdit::inputMask
+    \brief The validation input mask
+
+    If no mask is set, inputMask() returns an empty string.
+
+    Sets the QLineEdit's validation mask. Validators can be used
+    instead of, or in conjunction with masks; see setValidator().
+
+    Unset the mask and return to normal QLineEdit operation by passing
+    an empty string ("") or just calling setInputMask() with no
+    arguments.
+
+    The table below shows the characters that can be used in an input mask.
+    A space character, the default character for a blank, is needed for cases
+    where a character is \e{permitted but not required}.
+
+    \table
+    \header \i Character \i Meaning
+    \row \i \c A \i ASCII alphabetic character required. A-Z, a-z.
+    \row \i \c a \i ASCII alphabetic character permitted but not required.
+    \row \i \c N \i ASCII alphanumeric character required. A-Z, a-z, 0-9.
+    \row \i \c n \i ASCII alphanumeric character permitted but not required.
+    \row \i \c X \i Any character required.
+    \row \i \c x \i Any character permitted but not required.
+    \row \i \c 9 \i ASCII digit required. 0-9.
+    \row \i \c 0 \i ASCII digit permitted but not required.
+    \row \i \c D \i ASCII digit required. 1-9.
+    \row \i \c d \i ASCII digit permitted but not required (1-9).
+    \row \i \c # \i ASCII digit or plus/minus sign permitted but not required.
+    \row \i \c H \i Hexadecimal character required. A-F, a-f, 0-9.
+    \row \i \c h \i Hexadecimal character permitted but not required.
+    \row \i \c B \i Binary character required. 0-1.
+    \row \i \c b \i Binary character permitted but not required.
+    \row \i \c > \i All following alphabetic characters are uppercased.
+    \row \i \c < \i All following alphabetic characters are lowercased.
+    \row \i \c ! \i Switch off case conversion.
+    \row \i \tt{\\} \i Use \tt{\\} to escape the special
+                           characters listed above to use them as
+                           separators.
+    \endtable
+
+    The mask consists of a string of mask characters and separators,
+    optionally followed by a semicolon and the character used for
+    blanks. The blank characters are always removed from the text
+    after editing.
+
+    Examples:
+    \table
+    \header \i Mask \i Notes
+    \row \i \c 000.000.000.000;_ \i IP address; blanks are \c{_}.
+    \row \i \c HH:HH:HH:HH:HH:HH;_ \i MAC address
+    \row \i \c 0000-00-00 \i ISO Date; blanks are \c space
+    \row \i \c >AAAAA-AAAAA-AAAAA-AAAAA-AAAAA;# \i License number;
+    blanks are \c - and all (alphabetic) characters are converted to
+    uppercase.
+    \endtable
+
+    To get range control (e.g., for an IP address) use masks together
+    with \link setValidator() validators\endlink.
+
+    \sa maxLength
+*/
+QString QLineEdit::inputMask() const
+{
+    Q_D(const QLineEdit);
+    return d->control->inputMask();
+}
+
+void QLineEdit::setInputMask(const QString &inputMask)
+{
+    Q_D(QLineEdit);
+    d->control->setInputMask(inputMask);
+}
+
+/*!
+    Selects all the text (i.e. highlights it) and moves the cursor to
+    the end. This is useful when a default value has been inserted
+    because if the user types before clicking on the widget, the
+    selected text will be deleted.
+
+    \sa setSelection() deselect()
+*/
+
+void QLineEdit::selectAll()
+{
+    Q_D(QLineEdit);
+    d->control->selectAll();
+}
+
+/*!
+    Deselects any selected text.
+
+    \sa setSelection() selectAll()
+*/
+
+void QLineEdit::deselect()
+{
+    Q_D(QLineEdit);
+    d->control->deselect();
+}
+
+
+/*!
+    Deletes any selected text, inserts \a newText, and validates the
+    result. If it is valid, it sets it as the new contents of the line
+    edit.
+
+    \sa setText(), clear()
+*/
+void QLineEdit::insert(const QString &newText)
+{
+//     q->resetInputContext(); //#### FIX ME IN QT
+    Q_D(QLineEdit);
+    d->control->insert(newText);
+}
+
+/*!
+    Clears the contents of the line edit.
+
+    \sa setText(), insert()
+*/
+void QLineEdit::clear()
+{
+    Q_D(QLineEdit);
+    resetInputContext();
+    d->control->clear();
+}
+
+/*!
+    Undoes the last operation if undo is \link
+    QLineEdit::undoAvailable available\endlink. Deselects any current
+    selection, and updates the selection start to the current cursor
+    position.
+*/
+void QLineEdit::undo()
+{
+    Q_D(QLineEdit);
+    resetInputContext();
+    d->control->undo();
+}
+
+/*!
+    Redoes the last operation if redo is \link
+    QLineEdit::redoAvailable available\endlink.
+*/
+void QLineEdit::redo()
+{
+    Q_D(QLineEdit);
+    resetInputContext();
+    d->control->redo();
+}
+
+
+/*!
+    \property QLineEdit::readOnly
+    \brief whether the line edit is read only.
+
+    In read-only mode, the user can still copy the text to the
+    clipboard, or drag and drop the text (if echoMode() is \l Normal),
+    but cannot edit it.
+
+    QLineEdit does not show a cursor in read-only mode.
+
+    By default, this property is false.
+
+    \sa setEnabled()
+*/
+
+bool QLineEdit::isReadOnly() const
+{
+    Q_D(const QLineEdit);
+    return d->control->isReadOnly();
+}
+
+void QLineEdit::setReadOnly(bool enable)
+{
+    Q_D(QLineEdit);
+    if (d->control->isReadOnly() != enable) {
+        d->control->setReadOnly(enable);
+        setAttribute(Qt::WA_MacShowFocusRect, !enable);
+        setAttribute(Qt::WA_InputMethodEnabled, d->shouldEnableInputMethod());
+#ifndef QT_NO_CURSOR
+        setCursor(enable ? Qt::ArrowCursor : Qt::IBeamCursor);
+#endif
+        update();
+    }
+}
+
+
+#ifndef QT_NO_CLIPBOARD
+/*!
+    Copies the selected text to the clipboard and deletes it, if there
+    is any, and if echoMode() is \l Normal.
+
+    If the current validator disallows deleting the selected text,
+    cut() will copy without deleting.
+
+    \sa copy() paste() setValidator()
+*/
+
+void QLineEdit::cut()
+{
+    if (hasSelectedText()) {
+        copy();
+        del();
+    }
+}
+
+
+/*!
+    Copies the selected text to the clipboard, if there is any, and if
+    echoMode() is \l Normal.
+
+    \sa cut() paste()
+*/
+
+void QLineEdit::copy() const
+{
+    Q_D(const QLineEdit);
+    d->control->copy();
+}
+
+/*!
+    Inserts the clipboard's text at the cursor position, deleting any
+    selected text, providing the line edit is not \link
+    QLineEdit::readOnly read-only\endlink.
+
+    If the end result would not be acceptable to the current
+    \link setValidator() validator\endlink, nothing happens.
+
+    \sa copy() cut()
+*/
+
+void QLineEdit::paste()
+{
+    Q_D(QLineEdit);
+    d->control->paste();
+}
+
+#endif // !QT_NO_CLIPBOARD
+
+/*! \reimp
+*/
+bool QLineEdit::event(QEvent * e)
+{
+    Q_D(QLineEdit);
+    if (e->type() == QEvent::Timer) {
+        // should be timerEvent, is here for binary compatibility
+        int timerId = ((QTimerEvent*)e)->timerId();
+        if (false) {
+#ifndef QT_NO_DRAGANDDROP
+        } else if (timerId == d->dndTimer.timerId()) {
+            d->drag();
+#endif
+        }
+        else if (timerId == d->tripleClickTimer.timerId())
+            d->tripleClickTimer.stop();
+    } else if (e->type() == QEvent::ContextMenu) {
+#ifndef QT_NO_IM
+        if (d->control->composeMode())
+            return true;
+#endif
+        //d->separate();
+    } else if (e->type() == QEvent::WindowActivate) {
+        QTimer::singleShot(0, this, SLOT(_q_handleWindowActivate()));
+    }else if(e->type() == QEvent::ShortcutOverride){
+        d->control->processEvent(e);
+    } else if (e->type() == QEvent::KeyRelease) {
+        d->control->setCursorBlinkPeriod(QApplication::cursorFlashTime());
+    } else if (e->type() == QEvent::Show) {
+        //In order to get the cursor blinking if QComboBox::setEditable is called when the combobox has focus
+        if (hasFocus()) {
+            d->control->setCursorBlinkPeriod(QApplication::cursorFlashTime());
+            QStyleOptionFrameV2 opt;
+            initStyleOption(&opt);
+            if ((!hasSelectedText() && d->control->preeditAreaText().isEmpty())
+                || style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, this))
+                d->setCursorVisible(true);
+        }
+    }
+
+#ifdef QT_KEYPAD_NAVIGATION
+    if (QApplication::keypadNavigationEnabled()) {
+        if (e->type() == QEvent::EnterEditFocus) {
+            end(false);
+            d->setCursorVisible(true);
+            d->control->setCursorBlinkPeriod(QApplication::cursorFlashTime());
+        } else if (e->type() == QEvent::LeaveEditFocus) {
+            d->setCursorVisible(false);
+            d->control->setCursorBlinkPeriod(0);
+            if (d->control->hasAcceptableInput() || d->control->fixup())
+                emit editingFinished();
+        }
+    }
+#endif
+    return QWidget::event(e);
+}
+
+/*! \reimp
+*/
+void QLineEdit::mousePressEvent(QMouseEvent* e)
+{
+    Q_D(QLineEdit);
+    if (d->sendMouseEventToInputContext(e))
+        return;
+    if (e->button() == Qt::RightButton)
+        return;
+#ifdef QT_KEYPAD_NAVIGATION
+    if (QApplication::keypadNavigationEnabled() && !hasEditFocus()) {
+        setEditFocus(true);
+        // Get the completion list to pop up.
+        if (d->control->completer())
+            d->control->completer()->complete();
+    }
+#endif
+    if (d->tripleClickTimer.isActive() && (e->pos() - d->tripleClick).manhattanLength() <
+         QApplication::startDragDistance()) {
+        selectAll();
+        return;
+    }
+    bool mark = e->modifiers() & Qt::ShiftModifier;
+    int cursor = d->xToPos(e->pos().x());
+#ifndef QT_NO_DRAGANDDROP
+    if (!mark && d->dragEnabled && d->control->echoMode() == Normal &&
+         e->button() == Qt::LeftButton && d->control->inSelection(e->pos().x())) {
+        d->dndPos = e->pos();
+        if (!d->dndTimer.isActive())
+            d->dndTimer.start(QApplication::startDragTime(), this);
+    } else
+#endif
+    {
+        d->control->moveCursor(cursor, mark);
+    }
+}
+
+/*! \reimp
+*/
+void QLineEdit::mouseMoveEvent(QMouseEvent * e)
+{
+    Q_D(QLineEdit);
+    if (d->sendMouseEventToInputContext(e))
+        return;
+
+    if (e->buttons() & Qt::LeftButton) {
+#ifndef QT_NO_DRAGANDDROP
+        if (d->dndTimer.isActive()) {
+            if ((d->dndPos - e->pos()).manhattanLength() > QApplication::startDragDistance())
+                d->drag();
+        } else
+#endif
+        {
+            d->control->moveCursor(d->xToPos(e->pos().x()), true);
+        }
+    }
+}
+
+/*! \reimp
+*/
+void QLineEdit::mouseReleaseEvent(QMouseEvent* e)
+{
+    Q_D(QLineEdit);
+    if (d->sendMouseEventToInputContext(e))
+        return;
+#ifndef QT_NO_DRAGANDDROP
+    if (e->button() == Qt::LeftButton) {
+        if (d->dndTimer.isActive()) {
+            d->dndTimer.stop();
+            deselect();
+            return;
+        }
+    }
+#endif
+#ifndef QT_NO_CLIPBOARD
+    if (QApplication::clipboard()->supportsSelection()) {
+        if (e->button() == Qt::LeftButton) {
+            d->control->copy(QClipboard::Selection);
+        } else if (!d->control->isReadOnly() && e->button() == Qt::MidButton) {
+            deselect();
+            insert(QApplication::clipboard()->text(QClipboard::Selection));
+        }
+    }
+#endif
+
+    if (!isReadOnly() && rect().contains(e->pos()))
+        d->handleSoftwareInputPanel(e->button(), d->clickCausedFocus);
+    d->clickCausedFocus = 0;
+}
+
+/*! \reimp
+*/
+void QLineEdit::mouseDoubleClickEvent(QMouseEvent* e)
+{
+    Q_D(QLineEdit);
+    if (d->sendMouseEventToInputContext(e))
+        return;
+    if (e->button() == Qt::LeftButton) {
+        d->control->selectWordAtPos(d->xToPos(e->pos().x()));
+        d->tripleClickTimer.start(QApplication::doubleClickInterval(), this);
+        d->tripleClick = e->pos();
+    }
+}
+
+/*!
+    \fn void  QLineEdit::returnPressed()
+
+    This signal is emitted when the Return or Enter key is pressed.
+    Note that if there is a validator() or inputMask() set on the line
+    edit, the returnPressed() signal will only be emitted if the input
+    follows the inputMask() and the validator() returns
+    QValidator::Acceptable.
+*/
+
+/*!
+    \fn void  QLineEdit::editingFinished()
+
+    This signal is emitted when the Return or Enter key is pressed or
+    the line edit loses focus. Note that if there is a validator() or
+    inputMask() set on the line edit and enter/return is pressed, the
+    editingFinished() signal will only be emitted if the input follows
+    the inputMask() and the validator() returns QValidator::Acceptable.
+*/
+
+/*!
+    Converts the given key press \a event into a line edit action.
+
+    If Return or Enter is pressed and the current text is valid (or
+    can be \link QValidator::fixup() made valid\endlink by the
+    validator), the signal returnPressed() is emitted.
+
+    The default key bindings are listed in the class's detailed
+    description.
+*/
+
+void QLineEdit::keyPressEvent(QKeyEvent *event)
+{
+    Q_D(QLineEdit);
+    #ifdef QT_KEYPAD_NAVIGATION
+    bool select = false;
+    switch (event->key()) {
+        case Qt::Key_Select:
+            if (QApplication::keypadNavigationEnabled()) {
+                if (hasEditFocus()) {
+                    setEditFocus(false);
+                    if (d->control->completer() && d->control->completer()->popup()->isVisible())
+                        d->control->completer()->popup()->hide();
+                    select = true;
+                }
+            }
+            break;
+        case Qt::Key_Back:
+        case Qt::Key_No:
+            if (!QApplication::keypadNavigationEnabled() || !hasEditFocus()) {
+                event->ignore();
+                return;
+            }
+            break;
+        default:
+            if (QApplication::keypadNavigationEnabled()) {
+                if (!hasEditFocus() && !(event->modifiers() & Qt::ControlModifier)) {
+                    if (!event->text().isEmpty() && event->text().at(0).isPrint()
+                        && !isReadOnly())
+                        setEditFocus(true);
+                    else {
+                        event->ignore();
+                        return;
+                    }
+                }
+            }
+    }
+
+
+
+    if (QApplication::keypadNavigationEnabled() && !select && !hasEditFocus()) {
+        setEditFocus(true);
+        if (event->key() == Qt::Key_Select)
+            return; // Just start. No action.
+    }
+#endif
+    d->control->processKeyEvent(event);
+    if (event->isAccepted()) {
+        if (layoutDirection() != d->control->layoutDirection())
+            setLayoutDirection(d->control->layoutDirection());
+        d->control->setCursorBlinkPeriod(0);
+    }
+}
+
+/*!
+  \since 4.4
+
+  Returns a rectangle that includes the lineedit cursor.
+*/
+QRect QLineEdit::cursorRect() const
+{
+    Q_D(const QLineEdit);
+    return d->cursorRect();
+}
+
+/*! \reimp
+ */
+void QLineEdit::inputMethodEvent(QInputMethodEvent *e)
+{
+    Q_D(QLineEdit);
+    if (d->control->isReadOnly()) {
+        e->ignore();
+        return;
+    }
+
+    if (echoMode() == PasswordEchoOnEdit && !d->control->passwordEchoEditing()) {
+        // Clear the edit and reset to normal echo mode while entering input
+        // method data; the echo mode switches back when the edit loses focus.
+        // ### changes a public property, resets current content.
+        d->updatePasswordEchoEditing(true);
+        clear();
+    }
+
+#ifdef QT_KEYPAD_NAVIGATION
+    // Focus in if currently in navigation focus on the widget
+    // Only focus in on preedits, to allow input methods to
+    // commit text as they focus out without interfering with focus
+    if (QApplication::keypadNavigationEnabled()
+        && hasFocus() && !hasEditFocus()
+        && !e->preeditString().isEmpty())
+        setEditFocus(true);
+#endif
+
+    d->control->processInputMethodEvent(e);
+
+#ifndef QT_NO_COMPLETER
+    if (!e->commitString().isEmpty())
+        d->control->complete(Qt::Key_unknown);
+#endif
+}
+
+/*!\reimp
+*/
+QVariant QLineEdit::inputMethodQuery(Qt::InputMethodQuery property) const
+{
+    Q_D(const QLineEdit);
+    switch(property) {
+    case Qt::ImMicroFocus:
+        return d->cursorRect();
+    case Qt::ImFont:
+        return font();
+    case Qt::ImCursorPosition:
+        return QVariant(d->control->cursor());
+    case Qt::ImSurroundingText:
+        return QVariant(text());
+    case Qt::ImCurrentSelection:
+        return QVariant(selectedText());
+    case Qt::ImMaximumTextLength:
+        return QVariant(maxLength());
+    case Qt::ImAnchorPosition:
+        if (d->control->selectionStart() == d->control->selectionEnd())
+            return QVariant(d->control->cursor());
+        else if (d->control->selectionStart() == d->control->cursor())
+            return QVariant(d->control->selectionEnd());
+        else
+            return QVariant(d->control->selectionStart());
+    default:
+        return QVariant();
+    }
+}
+
+/*!\reimp
+*/
+
+void QLineEdit::focusInEvent(QFocusEvent *e)
+{
+    Q_D(QLineEdit);
+    if (e->reason() == Qt::TabFocusReason ||
+         e->reason() == Qt::BacktabFocusReason  ||
+         e->reason() == Qt::ShortcutFocusReason) {
+        if (!d->control->inputMask().isEmpty())
+            d->control->moveCursor(d->control->nextMaskBlank(0));
+        else if (!d->control->hasSelectedText())
+            selectAll();
+    } else if (e->reason() == Qt::MouseFocusReason) {
+        d->clickCausedFocus = 1;
+    }
+#ifdef QT_KEYPAD_NAVIGATION
+    if (!QApplication::keypadNavigationEnabled() || (hasEditFocus() && ( e->reason() == Qt::PopupFocusReason
+#ifdef Q_OS_SYMBIAN
+            || e->reason() == Qt::ActiveWindowFocusReason
+#endif
+            ))) {
+#endif
+    d->control->setCursorBlinkPeriod(QApplication::cursorFlashTime());
+    QStyleOptionFrameV2 opt;
+    initStyleOption(&opt);
+    if((!hasSelectedText() && d->control->preeditAreaText().isEmpty())
+       || style()->styleHint(QStyle::SH_BlinkCursorWhenTextSelected, &opt, this))
+        d->setCursorVisible(true);
+#ifdef Q_WS_MAC
+    if (d->control->echoMode() == Password || d->control->echoMode() == NoEcho)
+        qt_mac_secure_keyboard(true);
+#endif
+#ifdef QT_KEYPAD_NAVIGATION
+        d->control->setCancelText(d->control->text());
+    }
+#endif
+#ifndef QT_NO_COMPLETER
+    if (d->control->completer()) {
+        d->control->completer()->setWidget(this);
+        QObject::connect(d->control->completer(), SIGNAL(activated(QString)),
+                         this, SLOT(setText(QString)));
+        QObject::connect(d->control->completer(), SIGNAL(highlighted(QString)),
+                         this, SLOT(_q_completionHighlighted(QString)));
+    }
+#endif
+    update();
+}
+
+/*!\reimp
+*/
+
+void QLineEdit::focusOutEvent(QFocusEvent *e)
+{
+    Q_D(QLineEdit);
+    if (d->control->passwordEchoEditing()) {
+        // Reset the echomode back to PasswordEchoOnEdit when the widget loses
+        // focus.
+        d->updatePasswordEchoEditing(false);
+    }
+
+    Qt::FocusReason reason = e->reason();
+    if (reason != Qt::ActiveWindowFocusReason &&
+        reason != Qt::PopupFocusReason)
+        deselect();
+
+    d->setCursorVisible(false);
+    d->control->setCursorBlinkPeriod(0);
+#ifdef QT_KEYPAD_NAVIGATION
+    // editingFinished() is already emitted on LeaveEditFocus
+    if (!QApplication::keypadNavigationEnabled())
+#endif
+    if (reason != Qt::PopupFocusReason
+        || !(QApplication::activePopupWidget() && QApplication::activePopupWidget()->parentWidget() == this)) {
+            if (hasAcceptableInput() || d->control->fixup())
+                emit editingFinished();
+#ifdef QT3_SUPPORT
+        emit lostFocus();
+#endif
+    }
+#ifdef Q_WS_MAC
+    if (d->control->echoMode() == Password || d->control->echoMode() == NoEcho)
+        qt_mac_secure_keyboard(false);
+#endif
+#ifdef QT_KEYPAD_NAVIGATION
+    d->control->setCancelText(QString());
+#endif
+#ifndef QT_NO_COMPLETER
+    if (d->control->completer()) {
+        QObject::disconnect(d->control->completer(), 0, this, 0);
+    }
+#endif
+    update();
+}
+
+/*!\reimp
+*/
+void QLineEdit::paintEvent(QPaintEvent *)
+{
+    Q_D(QLineEdit);
+    QPainter p(this);
+
+    QRect r = rect();
+    QPalette pal = palette();
+
+    QStyleOptionFrameV2 panel;
+    initStyleOption(&panel);
+    style()->drawPrimitive(QStyle::PE_PanelLineEdit, &panel, &p, this);
+    r = style()->subElementRect(QStyle::SE_LineEditContents, &panel, this);
+    r.setX(r.x() + d->leftTextMargin);
+    r.setY(r.y() + d->topTextMargin);
+    r.setRight(r.right() - d->rightTextMargin);
+    r.setBottom(r.bottom() - d->bottomTextMargin);
+    p.setClipRect(r);
+
+    QFontMetrics fm = fontMetrics();
+    Qt::Alignment va = QStyle::visualAlignment(d->control->layoutDirection(), QFlag(d->alignment));
+    switch (va & Qt::AlignVertical_Mask) {
+     case Qt::AlignBottom:
+         d->vscroll = r.y() + r.height() - fm.height() - d->verticalMargin;
+         break;
+     case Qt::AlignTop:
+         d->vscroll = r.y() + d->verticalMargin;
+         break;
+     default:
+         //center
+         d->vscroll = r.y() + (r.height() - fm.height() + 1) / 2;
+         break;
+    }
+    QRect lineRect(r.x() + d->horizontalMargin, d->vscroll, r.width() - 2*d->horizontalMargin, fm.height());
+
+    int minLB = qMax(0, -fm.minLeftBearing());
+    int minRB = qMax(0, -fm.minRightBearing());
+
+    if (d->control->text().isEmpty()) {
+        if (!hasFocus() && !d->placeholderText.isEmpty()) {
+            QColor col = pal.text().color();
+            col.setAlpha(128);
+            QPen oldpen = p.pen();
+            p.setPen(col);
+            lineRect.adjust(minLB, 0, 0, 0);
+            QString elidedText = fm.elidedText(d->placeholderText, Qt::ElideRight, lineRect.width());
+            p.drawText(lineRect, va, elidedText);
+            p.setPen(oldpen);
+            return;
+        }
+    }
+
+    int cix = qRound(d->control->cursorToX());
+
+    // horizontal scrolling. d->hscroll is the left indent from the beginning
+    // of the text line to the left edge of lineRect. we update this value
+    // depending on the delta from the last paint event; in effect this means
+    // the below code handles all scrolling based on the textline (widthUsed,
+    // minLB, minRB), the line edit rect (lineRect) and the cursor position
+    // (cix).
+    int widthUsed = qRound(d->control->naturalTextWidth()) + 1 + minRB;
+    if ((minLB + widthUsed) <=  lineRect.width()) {
+        // text fits in lineRect; use hscroll for alignment
+        switch (va & ~(Qt::AlignAbsolute|Qt::AlignVertical_Mask)) {
+        case Qt::AlignRight:
+            d->hscroll = widthUsed - lineRect.width() + 1;
+            break;
+        case Qt::AlignHCenter:
+            d->hscroll = (widthUsed - lineRect.width()) / 2;
+            break;
+        default:
+            // Left
+            d->hscroll = 0;
+            break;
+        }
+        d->hscroll -= minLB;
+    } else if (cix - d->hscroll >= lineRect.width()) {
+        // text doesn't fit, cursor is to the right of lineRect (scroll right)
+        d->hscroll = cix - lineRect.width() + 1;
+    } else if (cix - d->hscroll < 0 && d->hscroll < widthUsed) {
+        // text doesn't fit, cursor is to the left of lineRect (scroll left)
+        d->hscroll = cix;
+    } else if (widthUsed - d->hscroll < lineRect.width()) {
+        // text doesn't fit, text document is to the left of lineRect; align
+        // right
+        d->hscroll = widthUsed - lineRect.width() + 1;
+    } else {
+        //in case the text is bigger than the lineedit, the hscroll can never be negative
+        d->hscroll = qMax(0, d->hscroll);
+    }
+
+    // the y offset is there to keep the baseline constant in case we have script changes in the text.
+    QPoint topLeft = lineRect.topLeft() - QPoint(d->hscroll, d->control->ascent() - fm.ascent());
+
+    // draw text, selections and cursors
+#ifndef QT_NO_STYLE_STYLESHEET
+    if (QStyleSheetStyle* cssStyle = qobject_cast<QStyleSheetStyle*>(style())) {
+        cssStyle->styleSheetPalette(this, &panel, &pal);
+    }
+#endif
+    p.setPen(pal.text().color());
+
+    int flags = QLineControl::DrawText;
+
+#ifdef QT_KEYPAD_NAVIGATION
+    if (!QApplication::keypadNavigationEnabled() || hasEditFocus())
+#endif
+    if (d->control->hasSelectedText() || (d->cursorVisible && !d->control->inputMask().isEmpty() && !d->control->isReadOnly())){
+        flags |= QLineControl::DrawSelections;
+        // Palette only used for selections/mask and may not be in sync
+        if (d->control->palette() != pal
+           || d->control->palette().currentColorGroup() != pal.currentColorGroup())
+            d->control->setPalette(pal);
+    }
+
+    // Asian users see an IM selection text as cursor on candidate
+    // selection phase of input method, so the ordinary cursor should be
+    // invisible if we have a preedit string.
+    if (d->cursorVisible && !d->control->isReadOnly())
+        flags |= QLineControl::DrawCursor;
+
+    d->control->setCursorWidth(style()->pixelMetric(QStyle::PM_TextCursorWidth));
+    d->control->draw(&p, topLeft, r, flags);
+
+}
+
+
+#ifndef QT_NO_DRAGANDDROP
+/*!\reimp
+*/
+void QLineEdit::dragMoveEvent(QDragMoveEvent *e)
+{
+    Q_D(QLineEdit);
+    if (!d->control->isReadOnly() && e->mimeData()->hasFormat(QLatin1String("text/plain"))) {
+        e->acceptProposedAction();
+        d->control->moveCursor(d->xToPos(e->pos().x()), false);
+        d->cursorVisible = true;
+        update();
+    }
+}
+
+/*!\reimp */
+void QLineEdit::dragEnterEvent(QDragEnterEvent * e)
+{
+    QLineEdit::dragMoveEvent(e);
+}
+
+/*!\reimp */
+void QLineEdit::dragLeaveEvent(QDragLeaveEvent *)
+{
+    Q_D(QLineEdit);
+    if (d->cursorVisible) {
+        d->cursorVisible = false;
+        update();
+    }
+}
+
+/*!\reimp */
+void QLineEdit::dropEvent(QDropEvent* e)
+{
+    Q_D(QLineEdit);
+    QString str = e->mimeData()->text();
+
+    if (!str.isNull() && !d->control->isReadOnly()) {
+        if (e->source() == this && e->dropAction() == Qt::CopyAction)
+            deselect();
+        int cursorPos = d->xToPos(e->pos().x());
+        int selStart = cursorPos;
+        int oldSelStart = d->control->selectionStart();
+        int oldSelEnd = d->control->selectionEnd();
+        d->control->moveCursor(cursorPos, false);
+        d->cursorVisible = false;
+        e->acceptProposedAction();
+        insert(str);
+        if (e->source() == this) {
+            if (e->dropAction() == Qt::MoveAction) {
+                if (selStart > oldSelStart && selStart <= oldSelEnd)
+                    setSelection(oldSelStart, str.length());
+                else if (selStart > oldSelEnd)
+                    setSelection(selStart - str.length(), str.length());
+                else
+                    setSelection(selStart, str.length());
+            } else {
+                setSelection(selStart, str.length());
+            }
+        }
+    } else {
+        e->ignore();
+        update();
+    }
+}
+
+#endif // QT_NO_DRAGANDDROP
+
+#ifndef QT_NO_CONTEXTMENU
+/*!
+    Shows the standard context menu created with
+    createStandardContextMenu().
+
+    If you do not want the line edit to have a context menu, you can set
+    its \l contextMenuPolicy to Qt::NoContextMenu. If you want to
+    customize the context menu, reimplement this function. If you want
+    to extend the standard context menu, reimplement this function, call
+    createStandardContextMenu() and extend the menu returned.
+
+    \snippet doc/src/snippets/code/src_gui_widgets_qlineedit.cpp 0
+
+    The \a event parameter is used to obtain the position where
+    the mouse cursor was when the event was generated.
+
+    \sa setContextMenuPolicy()
+*/
+void QLineEdit::contextMenuEvent(QContextMenuEvent *event)
+{
+    if (QMenu *menu = createStandardContextMenu()) {
+        menu->setAttribute(Qt::WA_DeleteOnClose);
+        menu->popup(event->globalPos());
+    }
+}
+
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
+    extern bool qt_use_rtl_extensions;
+#endif
+
+/*!  This function creates the standard context menu which is shown
+        when the user clicks on the line edit with the right mouse
+        button. It is called from the default contextMenuEvent() handler.
+        The popup menu's ownership is transferred to the caller.
+*/
+
+QMenu *QLineEdit::createStandardContextMenu()
+{
+    Q_D(QLineEdit);
+    QMenu *popup = new QMenu(this);
+    popup->setObjectName(QLatin1String("qt_edit_menu"));
+    QAction *action = 0;
+
+    if (!isReadOnly()) {
+        action = popup->addAction(QLineEdit::tr("&Undo") + ACCEL_KEY(QKeySequence::Undo));
+        action->setEnabled(d->control->isUndoAvailable());
+        connect(action, SIGNAL(triggered()), SLOT(undo()));
+
+        action = popup->addAction(QLineEdit::tr("&Redo") + ACCEL_KEY(QKeySequence::Redo));
+        action->setEnabled(d->control->isRedoAvailable());
+        connect(action, SIGNAL(triggered()), SLOT(redo()));
+
+        popup->addSeparator();
+    }
+
+#ifndef QT_NO_CLIPBOARD
+    if (!isReadOnly()) {
+        action = popup->addAction(QLineEdit::tr("Cu&t") + ACCEL_KEY(QKeySequence::Cut));
+        action->setEnabled(!d->control->isReadOnly() && d->control->hasSelectedText()
+                && d->control->echoMode() == QLineEdit::Normal);
+        connect(action, SIGNAL(triggered()), SLOT(cut()));
+    }
+
+    action = popup->addAction(QLineEdit::tr("&Copy") + ACCEL_KEY(QKeySequence::Copy));
+    action->setEnabled(d->control->hasSelectedText()
+            && d->control->echoMode() == QLineEdit::Normal);
+    connect(action, SIGNAL(triggered()), SLOT(copy()));
+
+    if (!isReadOnly()) {
+        action = popup->addAction(QLineEdit::tr("&Paste") + ACCEL_KEY(QKeySequence::Paste));
+        action->setEnabled(!d->control->isReadOnly() && !QApplication::clipboard()->text().isEmpty());
+        connect(action, SIGNAL(triggered()), SLOT(paste()));
+    }
+#endif
+
+    if (!isReadOnly()) {
+        action = popup->addAction(QLineEdit::tr("Delete"));
+        action->setEnabled(!d->control->isReadOnly() && !d->control->text().isEmpty() && d->control->hasSelectedText());
+        connect(action, SIGNAL(triggered()), d->control, SLOT(_q_deleteSelected()));
+    }
+
+    if (!popup->isEmpty())
+        popup->addSeparator();
+
+    action = popup->addAction(QLineEdit::tr("Select All") + ACCEL_KEY(QKeySequence::SelectAll));
+    action->setEnabled(!d->control->text().isEmpty() && !d->control->allSelected());
+    d->selectAllAction = action;
+    connect(action, SIGNAL(triggered()), SLOT(selectAll()));
+
+#if !defined(QT_NO_IM)
+    QInputContext *qic = inputContext();
+    if (qic) {
+        QList<QAction *> imActions = qic->actions();
+        for (int i = 0; i < imActions.size(); ++i)
+            popup->addAction(imActions.at(i));
+    }
+#endif
+
+#if defined(Q_WS_WIN) || defined(Q_WS_X11)
+    if (!d->control->isReadOnly() && qt_use_rtl_extensions) {
+#else
+    if (!d->control->isReadOnly()) {
+#endif
+        popup->addSeparator();
+        QUnicodeControlCharacterMenu *ctrlCharacterMenu = new QUnicodeControlCharacterMenu(this, popup);
+        popup->addMenu(ctrlCharacterMenu);
+    }
+    return popup;
+}
+#endif // QT_NO_CONTEXTMENU
+
+/*! \reimp */
+void QLineEdit::changeEvent(QEvent *ev)
+{
+    Q_D(QLineEdit);
+    switch(ev->type())
+    {
+    case QEvent::ActivationChange:
+        if (!palette().isEqual(QPalette::Active, QPalette::Inactive))
+            update();
+        break;
+    case QEvent::FontChange:
+        d->control->setFont(font());
+        break;
+    case QEvent::StyleChange:
+        {
+            QStyleOptionFrameV2 opt;
+            initStyleOption(&opt);
+            d->control->setPasswordCharacter(style()->styleHint(QStyle::SH_LineEdit_PasswordCharacter, &opt, this));
+        }
+        update();
+        break;
+    default:
+        break;
+    }
+    QWidget::changeEvent(ev);
+}
+
+/*!
+    \fn void QLineEdit::repaintArea(int a, int b)
+
+    Use update() instead.
+*/
+
+/*!
+    \fn void QLineEdit::cursorLeft(bool mark, int steps)
+
+    Use cursorForward() with a negative number of steps instead. For
+    example, cursorForward(mark, -steps).
+*/
+
+/*!
+    \fn void QLineEdit::cursorRight(bool mark, int steps)
+
+    Use cursorForward() instead.
+*/
+
+/*!
+    \fn bool QLineEdit::frame() const
+
+    Use hasFrame() instead.
+*/
+
+/*!
+    \fn void QLineEdit::clearValidator()
+
+    Use setValidator(0) instead.
+*/
+
+/*!
+    \fn bool QLineEdit::hasMarkedText() const
+
+    Use hasSelectedText() instead.
+*/
+
+/*!
+    \fn QString QLineEdit::markedText() const
+
+    Use selectedText() instead.
+*/
+
+/*!
+    \fn void QLineEdit::setFrameRect(QRect)
+    \internal
+*/
+
+/*!
+    \fn QRect QLineEdit::frameRect() const
+    \internal
+*/
+/*!
+    \enum QLineEdit::DummyFrame
+    \internal
+
+    \value Box
+    \value Sunken
+    \value Plain
+    \value Raised
+    \value MShadow
+    \value NoFrame
+    \value Panel
+    \value StyledPanel
+    \value HLine
+    \value VLine
+    \value GroupBoxPanel
+    \value WinPanel
+    \value ToolBarPanel
+    \value MenuBarPanel
+    \value PopupPanel
+    \value LineEditPanel
+    \value TabWidgetPanel
+    \value MShape
+*/
+
+/*!
+    \fn void QLineEdit::setFrameShadow(DummyFrame)
+    \internal
+*/
+
+/*!
+    \fn DummyFrame QLineEdit::frameShadow() const
+    \internal
+*/
+
+/*!
+    \fn void QLineEdit::setFrameShape(DummyFrame)
+    \internal
+*/
+
+/*!
+    \fn DummyFrame QLineEdit::frameShape() const
+    \internal
+*/
+
+/*!
+    \fn void QLineEdit::setFrameStyle(int)
+    \internal
+*/
+
+/*!
+    \fn int QLineEdit::frameStyle() const
+    \internal
+*/
+
+/*!
+    \fn int QLineEdit::frameWidth() const
+    \internal
+*/
+
+/*!
+    \fn void QLineEdit::setLineWidth(int)
+    \internal
+*/
+
+/*!
+    \fn int QLineEdit::lineWidth() const
+    \internal
+*/
+
+/*!
+    \fn void QLineEdit::setMargin(int margin)
+    Sets the width of the margin around the contents of the widget to \a margin.
+
+    Use QWidget::setContentsMargins() instead.
+    \sa margin(), QWidget::setContentsMargins()
+*/
+
+/*!
+    \fn int QLineEdit::margin() const
+    Returns the width of the margin around the contents of the widget.
+
+    Use QWidget::getContentsMargins() instead.
+    \sa setMargin(), QWidget::getContentsMargins()
+*/
+
+/*!
+    \fn void QLineEdit::setMidLineWidth(int)
+    \internal
+*/
+
+/*!
+    \fn int QLineEdit::midLineWidth() const
+    \internal
+*/
+
+QT_END_NAMESPACE
+
+#include "moc_qlineedit.cpp"
+
+#endif // QT_NO_LINEEDIT