qrubberband.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
00004 ** All rights reserved.
00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
00006 **
00007 ** This file is part of the QtGui module of the Qt Toolkit.
00008 **
00009 ** $QT_BEGIN_LICENSE:LGPL$
00010 ** Commercial Usage
00011 ** Licensees holding valid Qt Commercial licenses may use this file in
00012 ** accordance with the Qt Commercial License Agreement provided with the
00013 ** Software or, alternatively, in accordance with the terms contained in
00014 ** a written agreement between you and Nokia.
00015 **
00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
00018 ** General Public License version 2.1 as published by the Free Software
00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
00020 ** packaging of this file.  Please review the following information to
00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
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00024 ** In addition, as a special exception, Nokia gives you certain additional
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00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
00027 **
00028 ** GNU General Public License Usage
00029 ** Alternatively, this file may be used under the terms of the GNU
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00041 
00042 #ifndef QRUBBERBAND_H
00043 #define QRUBBERBAND_H
00044 
00045 #include <QtGui/qwidget.h>
00046 
00047 QT_BEGIN_HEADER
00048 
00049 QT_BEGIN_NAMESPACE
00050 
00051 QT_MODULE(Gui)
00052 
00053 #ifndef QT_NO_RUBBERBAND
00054 
00055 class QRubberBandPrivate;
00056 class QStyleOptionRubberBand;
00057 
00058 class Q_GUI_EXPORT QRubberBand : public QWidget
00059 {
00060     Q_OBJECT
00061 
00062 public:
00063     enum Shape { Line, Rectangle };
00064     explicit QRubberBand(Shape, QWidget * =0);
00065     ~QRubberBand();
00066 
00067     Shape shape() const;
00068 
00069     void setGeometry(const QRect &r);
00070 
00071     inline void setGeometry(int x, int y, int w, int h);
00072     inline void move(int x, int y);
00073     inline void move(const QPoint &p)
00074     { move(p.x(), p.y()); }
00075     inline void resize(int w, int h)
00076     { setGeometry(geometry().x(), geometry().y(), w, h); }
00077     inline void resize(const QSize &s)
00078     { resize(s.width(), s.height()); }
00079 
00080 protected:
00081     bool event(QEvent *e);
00082     void paintEvent(QPaintEvent *);
00083     void changeEvent(QEvent *);
00084     void showEvent(QShowEvent *);
00085     void resizeEvent(QResizeEvent *);
00086     void moveEvent(QMoveEvent *);
00087     void initStyleOption(QStyleOptionRubberBand *option) const;
00088 
00089 private:
00090     Q_DECLARE_PRIVATE(QRubberBand)
00091 };
00092 
00093 inline void QRubberBand::setGeometry(int ax, int ay, int aw, int ah)
00094 { setGeometry(QRect(ax, ay, aw, ah)); }
00095 inline void QRubberBand::move(int ax, int ay)
00096 { setGeometry(ax, ay, width(), height()); }
00097 
00098 #endif // QT_NO_RUBBERBAND
00099 
00100 QT_END_NAMESPACE
00101 
00102 QT_END_HEADER
00103 
00104 #endif // QRUBBERBAND_H