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 examples of the Qt Toolkit. 00008 ** 00009 ** $QT_BEGIN_LICENSE:BSD$ 00010 ** You may use this file under the terms of the BSD license as follows: 00011 ** 00012 ** "Redistribution and use in source and binary forms, with or without 00013 ** modification, are permitted provided that the following conditions are 00014 ** met: 00015 ** * Redistributions of source code must retain the above copyright 00016 ** notice, this list of conditions and the following disclaimer. 00017 ** * Redistributions in binary form must reproduce the above copyright 00018 ** notice, this list of conditions and the following disclaimer in 00019 ** the documentation and/or other materials provided with the 00020 ** distribution. 00021 ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor 00022 ** the names of its contributors may be used to endorse or promote 00023 ** products derived from this software without specific prior written 00024 ** permission. 00025 ** 00026 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00027 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00028 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00029 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00030 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00031 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00032 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00033 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00034 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00035 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00036 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 00037 ** $QT_END_LICENSE$ 00038 ** 00039 ****************************************************************************/ 00040 00041 #ifndef GRIPPERWIDGET_H 00042 #define GRIPPERWIDGET_H 00043 00044 #include <QtGui/QGraphicsView> 00045 00046 00047 class GripperWidget : public QGraphicsView 00048 { 00049 Q_OBJECT 00050 00051 public: 00052 GripperWidget(QWidget *parent = 0); 00053 00054 public slots: 00055 void setState(int value);//set the state of the gripper, 1 = open, 2 = closed, 3 = moving 00056 00057 protected: 00058 void timerEvent(QTimerEvent *event); 00059 void drawBackground(QPainter *painter, const QRectF &rect); //draw the scene background 00060 void scaleView(qreal scaleFactor); //scale the view 00061 00062 private: 00063 int timerId; 00064 float percent; 00065 00066 }; 00067 00068 00069 00070 #endif // GRIPPERWIDGET_H 00071