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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#ifndef MOVERLAYWIDGET_H
#define MOVERLAYWIDGET_H
#include <QWidget>
//! A widget automatically scaling it's content.
/*!
*/
class MOverlayWidget : public QWidget
{
public:
//! Constructs a new scaling widget.
/*!
The real surface used for this widget will have the specified
width and height.
*/
MOverlayWidget(int surfaceWidth, int surfaceHeight, QWidget *parent = 0);
//! Event filtering function.
/*!
Converts coordinates for mouse/touch event. Do not
call manually.
*/
bool eventFilter(QObject *obj, QEvent *event);
//! Standard override.
/*!
The surface scaling on the target paint device is being
set when the widget is displayed for the first time.
*/
virtual void showEvent(QShowEvent *event);
private:
//! Converts coordinates between real & virtual area of the widget.
QPoint convertPoint(const QPoint &p);
int sw; /// Surface real width.
int sh; /// Surface real height.
float scaleW; /// Width scaling factor.
float scaleH; /// Height scaling factor.
};
#endif
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