/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** 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, Nokia gives you certain additional ** rights. These rights are described in the Nokia 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. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QMEEGOOVERLAYWIDGET_H #define QMEEGOOVERLAYWIDGET_H #include //! A widget automatically scaling it's content. /*! */ class Q_DECL_EXPORT QMeeGoOverlayWidget : public QWidget { public: //! Constructs a new scaling widget. /*! The real surface used for this widget will have the specified width and height. */ QMeeGoOverlayWidget(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