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Diffstat (limited to 'tools/qmeegographicssystemhelper/qmeegooverlaywidget.h')
-rw-r--r-- | tools/qmeegographicssystemhelper/qmeegooverlaywidget.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tools/qmeegographicssystemhelper/qmeegooverlaywidget.h b/tools/qmeegographicssystemhelper/qmeegooverlaywidget.h new file mode 100644 index 0000000..c2c08b4 --- /dev/null +++ b/tools/qmeegographicssystemhelper/qmeegooverlaywidget.h @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QMEEGOOVERLAYWIDGET_H +#define QMEEGOOVERLAYWIDGET_H + +#include <QWidget> + +//! A widget automatically scaling it's content. +/*! +*/ + +class 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 |