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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_P_H
#define MLABELVIEW_P_H
#include <QTextOption>
#include <QTextDocument>
#include "private/mwidgetview_p.h"
class MLabel;
class MLabelView;
class QGraphicsSceneResizeEvent;
class MLabelViewSimple
{
public:
MLabelViewSimple(MLabelViewPrivate *viewPrivate);
virtual ~MLabelViewSimple();
virtual QPixmap generatePixmap();
QImage generateImage();
virtual void drawContents(QPainter *painter, const QSizeF &size);
virtual bool resizeEvent(QGraphicsSceneResizeEvent *event);
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
virtual void setupModel();
virtual bool updateData(const QList<const char *>& modifications);
virtual bool isRich();
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void cancelEvent(MCancelEvent *event);
virtual void longPressEvent(QGraphicsSceneContextMenuEvent *event);
virtual void applyStyle();
void markDirty();
MLabelViewPrivate *viewPrivate;
QSizeF preferredSize;
QPoint textOffset;
bool dirty;
QImage cachedImage;
QPixmap cachedPixmap;
QString cachedElidedText;
};
class MLabelViewRich : public MLabelViewSimple
{
public:
MLabelViewRich(MLabelViewPrivate *viewPrivate);
virtual ~MLabelViewRich();
virtual QPixmap generatePixmap();
virtual void drawContents(QPainter *painter, const QSizeF &size);
virtual bool shouldElide() const;
virtual bool resizeEvent(QGraphicsSceneResizeEvent *event);
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
virtual void setupModel();
virtual bool updateData(const QList<const char *>& modifications);
virtual bool isRich();
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void cancelEvent(MCancelEvent *event);
virtual void longPressEvent(QGraphicsSceneContextMenuEvent *event);
virtual void applyStyle();
void ensureDocumentIsReady();
int cursorPositionOfLastVisibleCharacter();
void updateRichTextEliding();
void updateHighlighting();
QString wrapTextWithSpanTag(const QString &text) const;
mutable QTextDocument textDocument;
bool textDocumentDirty;
QPoint pixmapOffset;
int mouseDownCursorPos;
QPixmap pixmap;
};
class MLabelViewPrivate : public MWidgetViewPrivate
{
Q_DECLARE_PUBLIC(MLabelView)
public:
MLabelViewPrivate();
virtual ~MLabelViewPrivate();
const MLabelModel *model() const;
const MLabelStyle *style() const;
const QRectF boundingRect() const;
bool isRichText(QString text) const;
// need define this for there are overload functions in controller
MLabel *controller;
QString cacheKey;
MLabelViewSimple *impl;
QTextOption textOptions;
};
#endif
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