/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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
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** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
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**
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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**
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#ifndef FONTSETTINGS_H
#define FONTSETTINGS_H

#include "texteditor_global.h"

#include "colorscheme.h"

#include <QString>
#include <QList>
#include <QVector>

QT_BEGIN_NAMESPACE
class QTextCharFormat;
class QSettings;
class QFont;
QT_END_NAMESPACE

namespace TextEditor {

class FormatDescription;

/**
 * Font settings (default font and enumerated list of formats).
 */
class TEXTEDITOR_EXPORT FontSettings
{
public:
    typedef QList<FormatDescription> FormatDescriptions;

    FontSettings();
    void clear();
    inline bool isEmpty() const { return m_scheme.isEmpty(); }

    void toSettings(const QString &category,
                    QSettings *s) const;

    bool fromSettings(const QString &category,
                      const FormatDescriptions &descriptions,
                      const QSettings *s);

    QVector<QTextCharFormat> toTextCharFormats(const QVector<TextStyle> &categories) const;
    QTextCharFormat toTextCharFormat(TextStyle category) const;

    QString family() const;
    void setFamily(const QString &family);

    int fontSize() const;
    void setFontSize(int size);

    int fontZoom() const;
    void setFontZoom(int zoom);

    QFont font() const;

    bool antialias() const;
    void setAntialias(bool antialias);

    Format &formatFor(TextStyle category);

    QString colorSchemeFileName() const;
    void setColorSchemeFileName(const QString &fileName);
    bool loadColorScheme(const QString &fileName, const FormatDescriptions &descriptions);
    bool saveColorScheme(const QString &fileName, QWidget *parent);

    const ColorScheme &colorScheme() const;
    void setColorScheme(const ColorScheme &scheme);

    bool equals(const FontSettings &f) const;

    static QString defaultFixedFontFamily();
    static int defaultFontSize();

    static QString defaultSchemeFileName(const QString &fileName = QString());

private:
    QString m_family;
    QString m_schemeFileName;
    int m_fontSize;
    int m_fontZoom;
    bool m_antialias;
    ColorScheme m_scheme;
};

inline bool operator==(const FontSettings &f1, const FontSettings &f2) { return f1.equals(f2); }
inline bool operator!=(const FontSettings &f1, const FontSettings &f2) { return !f1.equals(f2); }

} // namespace TextEditor

#endif // FONTSETTINGS_H
