/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef QWINDOW_QPA_H
#define QWINDOW_QPA_H

#include <QtCore/QObject>
#include <QtCore/QEvent>
#include <QtGui/qwindowformat_qpa.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QWindowPrivate;

class QResizeEvent;
class QShowEvent;
class QHideEvent;
class QKeyEvent;
class QInputMethodEvent;
class QMouseEvent;
#ifndef QT_NO_WHEELEVENT
class QWheelEvent;
#endif

class QPlatformWindow;
class QWindowContext;
class QWindowSurface;

class Q_GUI_EXPORT QWindow : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QWindow)

    Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)

public:
    enum SurfaceType {
        RasterSurface,
        OpenGLSurface
    };

    QWindow(QWindow *parent = 0);
    virtual ~QWindow();

    void setVisible(bool visible);
    bool visible() const;

    void create();

    WId winId() const;

    QWindow *parent() const;
    void setParent(QWindow *parent);

    bool isTopLevel() const;

    bool isModal() const;
    Qt::WindowModality windowModality() const;
    void setWindowModality(Qt::WindowModality windowModality);

    void setWindowFormat(const QWindowFormat &format);
    QWindowFormat requestedWindowFormat() const;
    QWindowFormat actualWindowFormat() const;

    void setSurfaceType(SurfaceType type);
    SurfaceType surfaceType() const;

    void setWindowFlags(Qt::WindowFlags flags);
    Qt::WindowFlags windowFlags() const;
    Qt::WindowType windowType() const;

    QString windowTitle() const;

    void setOpacity(qreal level);
    void requestActivateWindow();

    Qt::WindowState windowState() const;
    void setWindowState(Qt::WindowState state);

    QSize minimumSize() const;
    QSize maximumSize() const;
    QSize baseSize() const;
    QSize sizeIncrement() const;

    void setMinimumSize(const QSize &size);
    void setMaximumSize(const QSize &size);
    void setBaseSize(const QSize &size);
    void setSizeIncrement(const QSize &size);

    void setGeometry(const QRect &rect);
    QRect geometry() const;

    void setWindowIcon(const QImage &icon) const;

    QWindowContext *glContext() const;

    void setRequestFormat(const QWindowFormat &format);
    QWindowFormat format() const;

    void destroy();

    QPlatformWindow *handle() const;
    QWindowSurface *surface() const;

public Q_SLOTS:
    inline void show() { setVisible(true); }
    inline void hide() { setVisible(false); }

    void showMinimized();
    void showMaximized();
    void showFullScreen();
    void showNormal();

    bool close();
    void raise();
    void lower();

    void setWindowTitle(const QString &);

Q_SIGNALS:
    void backBufferReady();

protected:
    virtual void resizeEvent(QResizeEvent *);

    virtual void showEvent(QShowEvent *);
    virtual void hideEvent(QHideEvent *);

    virtual bool event(QEvent *);
    virtual void keyPressEvent(QKeyEvent *);
    virtual void keyReleaseEvent(QKeyEvent *);
    virtual void inputMethodEvent(QInputMethodEvent *);
    virtual void mousePressEvent(QMouseEvent *);
    virtual void mouseReleaseEvent(QMouseEvent *);
    virtual void mouseDoubleClickEvent(QMouseEvent *);
    virtual void mouseMoveEvent(QMouseEvent *);
#ifndef QT_NO_WHEELEVENT
    virtual void wheelEvent(QWheelEvent *);
#endif

private:
    Q_DISABLE_COPY(QWindow)

    friend class QGuiApplication;
    friend class QGuiApplicationPrivate;
    friend class QWindowSurface;
    friend Q_GUI_EXPORT QWindowPrivate *qt_window_private(QWindow *window);
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QWINDOW_QPA_H