/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, 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 appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

#ifndef TIPCONTENTS_H
#define TIPCONTENTS_H

#include "texteditor/texteditor_global.h"

#include <QString>
#include <QColor>

namespace TextEditor {

class TEXTEDITOR_EXPORT TipContent
{
protected:
    TipContent();

public:
    virtual ~TipContent();

    virtual TipContent *clone() const = 0;
    virtual int typeId() const = 0;
    virtual bool isValid() const = 0;
    virtual bool isInteractive() const = 0;
    virtual int showTime() const = 0;
    virtual bool equals(const TipContent &tipContent) const = 0;
};

class TEXTEDITOR_EXPORT ColorContent : public TipContent
{
public:
    ColorContent(const QColor &color);
    virtual ~ColorContent();

    virtual TipContent *clone() const;
    virtual int typeId() const;
    virtual bool isValid() const;
    virtual bool isInteractive() const;
    virtual int showTime() const;
    virtual bool equals(const TipContent &tipContent) const;

    const QColor &color() const;

    static const int COLOR_CONTENT_ID = 0;

private:
    QColor m_color;
};

class TEXTEDITOR_EXPORT TextContent : public TipContent
{
public:
    TextContent(const QString &text);
    virtual ~TextContent();

    virtual TipContent *clone() const;
    virtual int typeId() const;
    virtual bool isValid() const;
    virtual bool isInteractive() const;
    virtual int showTime() const;
    virtual bool equals(const TipContent &tipContent) const;

    const QString &text() const;

    static const int TEXT_CONTENT_ID = 1;

private:
    QString m_text;
};

// A content for displaying any widget (with a layout).
class TEXTEDITOR_EXPORT WidgetContent : public TipContent
{
public:
    explicit WidgetContent(QWidget *w, bool interactive = false);

    virtual TipContent *clone() const;
    virtual int typeId() const;
    virtual bool isValid() const;
    virtual int showTime() const;
    virtual bool isInteractive() const;
    void setInteractive(bool i);

    virtual bool equals(const TipContent &tipContent) const;

    // Helper to 'pin' (show as real window) a tooltip shown
    // using WidgetContent
    static bool pinToolTip(QWidget *w);

    static const int WIDGET_CONTENT_ID = 42;

    QWidget *widget() const { return m_widget; }

private:
    QWidget *m_widget;
    bool m_interactive;
};

} // namespace TextEditor

#endif // TIPCONTENTS_H