/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** 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
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** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QTEXTEDIT_P_H
#define QTEXTEDIT_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "private/qabstractscrollarea_p.h"
#include "QtGui/qtextdocumentfragment.h"
#include "QtWidgets/qscrollbar.h"
#include "QtGui/qtextcursor.h"
#include "QtGui/qtextformat.h"
#include "QtWidgets/qmenu.h"
#include "QtGui/qabstracttextdocumentlayout.h"
#include "QtCore/qbasictimer.h"
#include "QtCore/qurl.h"
#include "private/qwidgettextcontrol_p.h"
#include "qtextedit.h"

QT_BEGIN_NAMESPACE

#ifndef QT_NO_TEXTEDIT

class QMimeData;
class QTextEditPrivate : public QAbstractScrollAreaPrivate
{
    Q_DECLARE_PUBLIC(QTextEdit)
public:
    QTextEditPrivate();

    void init(const QString &html = QString());
    void paint(QPainter *p, QPaintEvent *e);
    void _q_repaintContents(const QRectF &contentsRect);

    inline QPoint mapToContents(const QPoint &point) const
    { return QPoint(point.x() + horizontalOffset(), point.y() + verticalOffset()); }

    void _q_adjustScrollbars();
    void _q_ensureVisible(const QRectF &rect);
    void relayoutDocument();

    void createAutoBulletList();
    void pageUpDown(QTextCursor::MoveOperation op, QTextCursor::MoveMode moveMode);

    inline int horizontalOffset() const
    { return q_func()->isRightToLeft() ? (hbar->maximum() - hbar->value()) : hbar->value(); }
    inline int verticalOffset() const
    { return vbar->value(); }

    inline void sendControlEvent(QEvent *e)
    { control->processEvent(e, QPointF(horizontalOffset(), verticalOffset()), viewport); }

    void _q_currentCharFormatChanged(const QTextCharFormat &format);
    void _q_cursorPositionChanged();

    void updateDefaultTextOption();

    // re-implemented by QTextBrowser, called by QTextDocument::loadResource
    virtual QUrl resolveUrl(const QUrl &url) const
    { return url; }

    QWidgetTextControl *control;

    QTextEdit::AutoFormatting autoFormatting;
    bool tabChangesFocus;

    QBasicTimer autoScrollTimer;
    QPoint autoScrollDragPos;

    QTextEdit::LineWrapMode lineWrap;
    int lineWrapColumnOrWidth;
    QTextOption::WrapMode wordWrap;

    uint ignoreAutomaticScrollbarAdjustment : 1;
    uint preferRichText : 1;
    uint showCursorOnInitialShow : 1;
    uint inDrag : 1;
    uint clickCausedFocus : 1;

    // Qt3 COMPAT only, for setText
    Qt::TextFormat textFormat;

    QString anchorToScrollToWhenVisible;

    QString placeholderText;

#ifdef QT_KEYPAD_NAVIGATION
    QBasicTimer deleteAllTimer;
#endif
};
#endif // QT_NO_TEXTEDIT


QT_END_NAMESPACE

#endif // QTEXTEDIT_P_H
