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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 MTEXTEDITVIEW_P_H
#define MTEXTEDITVIEW_P_H
#include <QObject>
#include <QTextCharFormat>
#include <QAbstractTextDocumentLayout>
#include <QPointer>
#include "mtexteditview.h"
class MTextEdit;
class MTextMagnifier;
class QGraphicsSceneMouseEvent;
class QColor;
class QTextDocument;
class QTimer;
class QTimeLine;
class MInfoBanner;
//! \internal
class MTextEditViewPrivate : public QObject
{
Q_OBJECT
Q_DECLARE_PUBLIC(MTextEditView)
public:
MTextEditViewPrivate(MTextEdit *controller, MTextEditView *q);
virtual ~MTextEditViewPrivate();
int cursorPosition(QGraphicsSceneMouseEvent *event);
int cursorPosition(const QPointF &point, Qt::HitTestAccuracy accuracy = Qt::FuzzyHit);
QTextDocument *document() const;
QTextDocument *promptDocument() const;
void checkScroll();
void setMouseTarget(const QPointF &point);
// returns a paint context for drawing. Includes selection formatting
QAbstractTextDocumentLayout::PaintContext paintContext() const;
qreal cursorX() const;
void initMaskedDocument();
QTextDocument *activeDocument() const;
qreal heightForWidth(qreal width) const;
protected slots:
void scrolling();
void hideUnmaskedText();
void checkSize();
void handleDocumentUpdate(int position, int charsRemoved, int charsAdded);
void handleDocumentSizeChange(const QSizeF &newSize);
void playTextFieldSelectionFeedback();
void updateMagnifierPosition();
private:
void scrollingTestAndStart(QGraphicsSceneMouseEvent *event);
void checkStartOfSelection(QGraphicsSceneMouseEvent *event);
void startSelection(QGraphicsSceneMouseEvent *event);
void updateSelection(const QPointF &pos);
void updateSelection(QGraphicsSceneMouseEvent *event);
//! Returns a rectangle covering preedit text in item space
QRect preeditRectangle() const;
//! Returns a rectangle of the cursor
QRect cursorRect() const;
protected:
MTextEditView *q_ptr;
MTextEdit *controller;
bool focused;
QTextDocument *maskedTextDocument;
QTextDocument *promptTextDocument;
int unmaskPosition; // position where unmask in masked mode starts
int unmaskLength; // lenght of unmasked text
// styling
qreal selectionThreshold;
QChar maskCharacter; // what characters are replaced with in masked mode
QTextCharFormat selectionFormat;
qreal hscroll; // horizontal offset of text
qreal vscroll; // vertical offset
int scrollSpeedVertical;
int scrollSpeedHorizontal;
QTimer *longPressTimer;
QTimer *scrollTimer;
QTimer *maskTimer;
bool selecting; // separate from controller mode because the selection there doesn't tell
// this view initiated the selection by mouse press
bool ignoreSelection;
int startCursorPos;
qreal documentHeight;
QPointF mouseTarget; // known mouse position inside widget
bool inAutoSelectionClick;
MInfoBanner *infoBanner;
bool editActive; // true if editing started and having focus
QTimer *hideInfoBannerTimer;
QScopedPointer<MTextMagnifier> magnifier;
#ifdef UNIT_TEST
friend class Ut_MTextEditView;
friend class Ut_MTextEdit;
#endif
};
//! \internal_end
#endif
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