ScreenPickerTool.h

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00001 /***************************************************************************
00002     File                 : ScreenPickerTool.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2006,2007 by Ion Vasilief,
00006                            Tilman Hoener zu Siederdissen, Knut Franke
00007     Email (use @ for *)  : ion_vasilief*yahoo.fr, thzs*gmx.net,
00008                            knut.franke*gmx.de
00009     Description          : Plot tool for selecting arbitrary points.
00010 
00011  ***************************************************************************/
00012 
00013 /***************************************************************************
00014  *                                                                         *
00015  *  This program is free software; you can redistribute it and/or modify   *
00016  *  it under the terms of the GNU General Public License as published by   *
00017  *  the Free Software Foundation; either version 2 of the License, or      *
00018  *  (at your option) any later version.                                    *
00019  *                                                                         *
00020  *  This program is distributed in the hope that it will be useful,        *
00021  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00022  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00023  *  GNU General Public License for more details.                           *
00024  *                                                                         *
00025  *   You should have received a copy of the GNU General Public License     *
00026  *   along with this program; if not, write to the Free Software           *
00027  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00028  *   Boston, MA  02110-1301  USA                                           *
00029  *                                                                         *
00030  ***************************************************************************/
00031 #ifndef SCREEN_PICKER_TOOL_H
00032 #define SCREEN_PICKER_TOOL_H
00033 
00034 #include "PlotToolInterface.h"
00035 #include <QObject>
00036 #include <qwt_double_rect.h>
00037 #include <qwt_plot_marker.h>
00038 #include <qwt_plot_picker.h>
00039 
00045 class ScreenPickerTool : public QwtPlotPicker, public PlotToolInterface
00046 {
00047     Q_OBJECT
00048     public:
00049         ScreenPickerTool(Graph *graph, const QObject *status_target=NULL, const char *status_slot="");
00050         virtual ~ScreenPickerTool();
00051         virtual bool eventFilter(QObject *obj, QEvent *event);
00052     signals:
00057         void statusText(const QString&);
00058     protected:
00059         virtual void append(const QPoint &point);
00060         QwtPlotMarker d_selection_marker;
00061 };
00062 
00063 #endif // ifndef SCREEN_PICKER_TOOL_H
00064 

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