/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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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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** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/

#ifndef QGTK2DIALOGHELPERS_P_H
#define QGTK2DIALOGHELPERS_P_H

#include <QtCore/qscopedpointer.h>
#include <qpa/qplatformdialoghelper.h>

typedef struct _GtkDialog GtkDialog;
typedef struct _GtkFileFilter GtkFileFilter;

QT_BEGIN_NAMESPACE

class QGtk2Dialog;

class QGtk2ColorDialogHelper : public QPlatformColorDialogHelper
{
    Q_OBJECT

public:
    QGtk2ColorDialogHelper();
    ~QGtk2ColorDialogHelper();

    bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
    void exec();
    void hide();

    void setCurrentColor(const QColor &color);
    QColor currentColor() const;

private Q_SLOTS:
    void onAccepted();

private:
    static void onColorChanged(QGtk2ColorDialogHelper *helper);
    void applyOptions();

    QScopedPointer<QGtk2Dialog> d;
};

class QGtk2FileDialogHelper : public QPlatformFileDialogHelper
{
    Q_OBJECT

public:
    QGtk2FileDialogHelper();
    ~QGtk2FileDialogHelper();

    bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
    void exec();
    void hide();

    bool defaultNameFilterDisables() const;
    void setDirectory(const QString &directory);
    QString directory() const;
    void selectFile(const QString &filename);
    QStringList selectedFiles() const;
    void setFilter();
    void selectNameFilter(const QString &filter);
    QString selectedNameFilter() const;

private Q_SLOTS:
    void onAccepted();

private:
    static void onSelectionChanged(GtkDialog *dialog, QGtk2FileDialogHelper *helper);
    static void onCurrentFolderChanged(QGtk2FileDialogHelper *helper);
    void applyOptions();
    void setNameFilters(const QStringList &filters);

    QString _dir;
    QStringList _selection;
    QHash<QString, GtkFileFilter*> _filters;
    QHash<GtkFileFilter*, QString> _filterNames;
    QScopedPointer<QGtk2Dialog> d;
};

class QGtk2FontDialogHelper : public QPlatformFontDialogHelper
{
    Q_OBJECT

public:
    QGtk2FontDialogHelper();
    ~QGtk2FontDialogHelper();

    bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
    void exec();
    void hide();

    void setCurrentFont(const QFont &font);
    QFont currentFont() const;

private Q_SLOTS:
    void onAccepted();

private:
    void applyOptions();

    QScopedPointer<QGtk2Dialog> d;
};

QT_END_NAMESPACE

#endif // QGTK2DIALOGHELPERS_P_H