src/hbwidgets/editors/hbselectionhandle_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 19 Apr 2010 14:02:13 +0300
changeset 0 16d8024aca5e
permissions -rw-r--r--
Revision: 201011 Kit: 201015

/****************************************************************************
**
** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (developer.feedback@nokia.com)
**
** This file is part of the HbWidgets module of the UI Extensions for Mobile.
**
** GNU Lesser General Public License Usage
** 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 developer.feedback@nokia.com.
**
****************************************************************************/

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

#ifndef HBSELECTIONHANDLE_P_H
#define HBSELECTIONHANDLE_P_H

#include "hbglobal.h"
#include "hbstyle.h"
#include "hbwidget_p.h"
#include "hbtextcontrol_p.h"

#include <QObject>
#include <QGraphicsItem>
#include <QTextCursor>
#include <QTextDocument>

class QPainter;

class HbSelectionHandle: public QObject, public QGraphicsItem {

    Q_OBJECT

public:

    enum HandleType {
        Anchor = 1,
        Cursor
    };

    explicit HbSelectionHandle (HandleType type, HbTextControl *control, QGraphicsItem *parent);

    void mousePressEvent (QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent (QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);

    void paint (QPainter *painter,
            const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

    void showMenu(QPointF position);

public slots:
    void copy ();
    void cut ();
    void paste ();
    void cursorChanged ();

protected:

    QRectF boundingRect() const;

private:

    void movePosition(QTextCursor::MoveOperation op);

    QRectF rectForPosition (int position) const;
    QRectF blockBoundingRect (const QTextBlock &block) const;

    HbTextControl *mControl;
    HandleType mType;
    HbIcon mIcon;
    QPointF mMousePos;
    QPointF mMousePressPos;

#ifdef QT_NO_CLIPBOARD
    QString mClipboard;
#endif
};

#endif // HBSELECTIONHANDLE_P_H