harbour-books/app/src/BooksTextView.h

/*
 * Copyright (C) 2015-2017 Jolla Ltd.
 * Contact: Slava Monich <slava.monich@jolla.com>
 *
 * You may use this file under the terms of the BSD license as follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Jolla Ltd nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BOOKS_TEXT_VIEW_H
#define BOOKS_TEXT_VIEW_H

#include "BooksTypes.h"
#include "BooksPos.h"
#include "BooksPaintContext.h"

#include "ZLColor.h"
#include "ZLTextView.h"
#include "ZLTextModel.h"
#include "ZLTextStyle.h"
#include "ZLPaintContext.h"

class BooksTextView: public ZLTextView
{
public:
    BooksTextView(BooksPaintContext& aContext,
        shared_ptr<ZLTextStyle> aTextStyle,
        BooksMargins aMargin);

    static const ZLColor DEFAULT_BACKGROUND;
    static const ZLColor INVERTED_BACKGROUND;

public:
    BooksPos position() const;
    const BooksPos rewind();
    void startSelection(int aX, int aY);
    bool extendSelection(int aX, int aY);
    void endSelection();
    void setInvertColors(bool aInvertColors);
    void gotoPosition(const BooksPos& aPos);
    bool nextPage();
    void paint();

    // ZLView
    virtual const std::string &caption() const;
    virtual ZLColor backgroundColor() const;

    // ZLTextView
    virtual shared_ptr<ZLTextPositionIndicatorInfo> indicatorInfo() const;
    virtual int doubleClickDelay() const;
    virtual int leftMargin() const;
    virtual int rightMargin() const;
    virtual int topMargin() const;
    virtual int bottomMargin() const;

    // ZLTextArea::Properties
    virtual shared_ptr<ZLTextStyle> baseStyle() const;
    virtual ZLColor color(const std::string &style = std::string()) const;
    virtual bool isSelectionEnabled() const;

private:
    BooksMargins iMargins;
    BooksPaintContext& iPaintContext;
    std::string iCaption;
    shared_ptr<ZLTextStyle> iTextStyle;
};

inline BooksPos BooksTextView::position() const
    { return BooksPos(textArea().startCursor()); }
inline void BooksTextView::setInvertColors(bool aInvertColors)
    { iPaintContext.setInvertColors(aInvertColors); }

#endif // BOOKS_TEXT_VIEW_H