/****************************************************************************
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
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** additional rights. These rights are described in the Trolltech GPL
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****************************************************************************/

#ifndef QX11EMBED_X11_H
#define QX11EMBED_X11_H

#include <QtGui/qwidget.h>

QT_BEGIN_HEADER

QT_MODULE(Gui)

class QX11EmbedWidgetPrivate;
class Q_GUI_EXPORT QX11EmbedWidget : public QWidget
{
    Q_OBJECT
public:
    QX11EmbedWidget(QWidget *parent = 0);
    ~QX11EmbedWidget();

    void embedInto(WId id);
    WId containerWinId() const;

    enum Error {
	Unknown,
	Internal,
	InvalidWindowID
    };
    Error error() const;

Q_SIGNALS:
    void embedded();
    void containerClosed();
    void error(QX11EmbedWidget::Error error);

protected:
    bool x11Event(XEvent *);
    bool eventFilter(QObject *, QEvent *);
    bool event(QEvent *);
    void resizeEvent(QResizeEvent *);

private:
    Q_DECLARE_PRIVATE(QX11EmbedWidget)
    Q_DISABLE_COPY(QX11EmbedWidget)
};

class QX11EmbedContainerPrivate;
class Q_GUI_EXPORT QX11EmbedContainer : public QWidget
{
    Q_OBJECT
public:
    QX11EmbedContainer(QWidget *parent = 0);
    ~QX11EmbedContainer();

    void embedClient(WId id);
    void discardClient();

    WId clientWinId() const;

    QSize minimumSizeHint() const;

    enum Error {
	Unknown,
	Internal,
	InvalidWindowID
    };
    Error error() const;

Q_SIGNALS:
    void clientIsEmbedded();
    void clientClosed();
    void error(QX11EmbedContainer::Error);

protected:
    bool x11Event(XEvent *);
    bool eventFilter(QObject *, QEvent *);
    void paintEvent(QPaintEvent *e);
    void resizeEvent(QResizeEvent *);
    void showEvent(QShowEvent *);
    void hideEvent(QHideEvent *);
    bool event(QEvent *);

private:
    Q_DECLARE_PRIVATE(QX11EmbedContainer)
    Q_DISABLE_COPY(QX11EmbedContainer)
};

QT_END_HEADER

#endif // QX11EMBED_X11_H
