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/****************************************************************************
**
** Copyright (C) 2011 - 2012 Research In Motion <blackberry-qt@qnx.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** 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
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBBWINDOW_H
#define QBBWINDOW_H
#include "qbbbuffer.h"
#include <QImage>
#include <QtGui/QPlatformWindow>
#include <screen/screen.h>
#include <EGL/egl.h>
QT_BEGIN_NAMESPACE
class QPlatformWindowFormat;
class QBBGLContext;
class QBBScreen;
class QBBWindow : public QPlatformWindow
{
friend class QBBScreen;
public:
QBBWindow(QWidget *window, screen_context_t context, QBBScreen *screen);
virtual ~QBBWindow();
virtual void setGeometry(const QRect &rect);
virtual void setVisible(bool visible);
virtual void setOpacity(qreal level);
virtual WId winId() const { return (WId)mWindow; }
void setBufferSize(const QSize &size);
QSize bufferSize() const { return mBufferSize; }
bool hasBuffers() const { return !mBufferSize.isEmpty(); }
QBBBuffer &renderBuffer();
QBBBuffer &frontBuffer();
void scroll(const QRegion ®ion, int dx, int dy, bool flush=false);
void post(const QRegion &dirty);
void setScreen(QBBScreen *platformScreen);
virtual QPlatformGLContext *glContext() const;
virtual void setParent(const QPlatformWindow *window);
virtual void raise();
virtual void lower();
virtual void requestActivateWindow();
void gainedFocus();
QBBScreen* screen() const { return mScreen; }
const QList<QBBWindow*>& children() const { return mChildren; }
QBBWindow *findWindow(screen_window_t windowHandle);
private:
enum Buffer {
BACK_BUFFER,
FRONT_BUFFER,
MAX_BUFFER_COUNT
};
QBBBuffer &buffer(QBBWindow::Buffer bufferIndex);
screen_context_t mContext;
screen_window_t mWindow;
QSize mBufferSize;
QBBBuffer mBuffers[MAX_BUFFER_COUNT];
int mCurrentBufferIndex;
int mPreviousBufferIndex;
QRegion mPreviousDirty;
QRegion mScrolled;
mutable QBBGLContext* mPlatformGlContext;
QBBScreen* mScreen;
QList<QBBWindow*> mChildren;
QBBWindow *mParent;
bool mVisible;
void removeFromParent();
void offset(const QPoint &offset);
void updateVisibility(bool parentVisible);
void updateZorder(int &topZorder);
void fetchBuffers();
void copyBack(const QRegion ®ion, int dx, int dy, bool flush=false);
static int platformWindowFormatToNativeFormat(const QPlatformWindowFormat &format);
};
QT_END_NAMESPACE
#endif // QBBWINDOW_H
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