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#ifndef QGTK2DIALOGHELPERS_P_H
#define QGTK2DIALOGHELPERS_P_H

#include <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qurl.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qstring.h>
#include <qpa/qplatformdialoghelper.h>

typedef struct _GtkDialog GtkDialog;
typedef struct _GtkFileFilter GtkFileFilter;

QT_BEGIN_NAMESPACE

class QGtk2Dialog;
class QColor;

class QGtk2ColorDialogHelper : public QPlatformColorDialogHelper
{
    Q_OBJECT

public:
    QGtk2ColorDialogHelper();
    ~QGtk2ColorDialogHelper();

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

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

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) Q_DECL_OVERRIDE;
    void exec() Q_DECL_OVERRIDE;
    void hide() Q_DECL_OVERRIDE;

    bool defaultNameFilterDisables() const Q_DECL_OVERRIDE;
    void setDirectory(const QUrl &directory) Q_DECL_OVERRIDE;
    QUrl directory() const Q_DECL_OVERRIDE;
    void selectFile(const QUrl &filename) Q_DECL_OVERRIDE;
    QList<QUrl> selectedFiles() const Q_DECL_OVERRIDE;
    void setFilter() Q_DECL_OVERRIDE;
    void selectNameFilter(const QString &filter) Q_DECL_OVERRIDE;
    QString selectedNameFilter() const Q_DECL_OVERRIDE;

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);

    QUrl _dir;
    QList<QUrl> _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) Q_DECL_OVERRIDE;
    void exec() Q_DECL_OVERRIDE;
    void hide() Q_DECL_OVERRIDE;

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

private Q_SLOTS:
    void onAccepted();

private:
    void applyOptions();

    QScopedPointer<QGtk2Dialog> d;
};

QT_END_NAMESPACE

#endif // QGTK2DIALOGHELPERS_P_H