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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#ifndef MLABELVIEW_H
#define MLABELVIEW_H
#include <mwidgetview.h>
#include <mlabelmodel.h>
#include <mlabelstyle.h>
class MLabel;
class MLabelViewPrivate;
class QGraphicsSceneResizeEvent;
class MCancelEvent;
/*!
\class MLabelView
\brief Standard view class for MLabel.
\ingroup views
\section MLabelViewOverview Overview
Label view class that supports rendering of simple unformatted text and rich
html formatted text.
<TABLE border="0">
<TR>
<TD> \image html label_simple.png</TD>
<TD> Default simple label. </TD>
</TR>
<TR>
<TD> \image html label_simple_custom.png</TD>
<TD> Simple label with custom font and color.</TD>
</TR>
<TR>
<TD> \image html label_simple_elided.png</TD>
<TD> Simple label with eliding enabled.</TD>
</TR>
<TR>
<TD> \image html label_rich.png</TD>
<TD> Rich label with html styling.</TD>
</TR>
</TABLE>
\section MLabelViewInteractions Interactions
Links in rich text can be opened by clicking them. Simple unformatted label
is totally non-interactive.
\section MLabelViewOpenIssues Open issues
- Rich label should support text selection.
- Graphics: Appearance of the link, text selection needs to be defined. Does the link have icon + styled text, or only styled text?
- Guidelines for truncating phone number, localized strings, rich label beginning truncation maybe needed later.
\sa MLabelStyle MWidgetView
*/
class M_EXPORT MLabelView : public MWidgetView
{
//FIXME
//Temporary remove this when proper longPressEvents are coming to view.
friend class MLabel;
Q_OBJECT
M_VIEW(MLabelModel, MLabelStyle)
public:
/*!
\brief Constructs label view.
\param Pointer to the controller.
*/
MLabelView(MLabel *controller);
/*!
\brief Destructs label view.
*/
virtual ~MLabelView();
//! \reimp
virtual void drawContents(QPainter *painter, const QStyleOptionGraphicsItem *option) const;
virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
//! \reimp_end
protected:
/*!
\brief Mouse press event handler.
Accepted when displaying rich text and when clicking an anchor. Ignored
if displaying simple text or clicking outside anchor.
*/
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
/*!
\brief Mouse release event handler.
If released over an anchor MLabelModel::linkActivated() signal is emitted.
*/
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
//FIXME
//Temporary remove this when proper longPressEvents are coming to view.
void longPressEvent(QGraphicsSceneContextMenuEvent *event);
//! \reimp
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
virtual void setupModel();
virtual void applyStyle();
virtual QFont font() const;
virtual void cancelEvent(MCancelEvent *event);
virtual void tapAndHoldGestureEvent(QGestureEvent *event, QTapAndHoldGesture* gesture);
//! \reimp_end
protected Q_SLOTS:
//! \reimp
virtual void updateData(const QList<const char *>& modifications);
//! \reimp_end
private:
Q_DISABLE_COPY(MLabelView)
Q_DECLARE_PRIVATE(MLabelView)
#ifdef UNIT_TEST
friend class Pt_MLabel;
#endif
};
#endif
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