ScalePicker.h

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00001 /***************************************************************************
00002     File                 : ScalePicker.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2006 by Ion Vasilief, Tilman Hoener zu Siederdissen
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr, thzs*gmx.net
00007     Description          : Scale picker
00008                            
00009  ***************************************************************************/
00010 
00011 /***************************************************************************
00012  *                                                                         *
00013  *  This program is free software; you can redistribute it and/or modify   *
00014  *  it under the terms of the GNU General Public License as published by   *
00015  *  the Free Software Foundation; either version 2 of the License, or      *
00016  *  (at your option) any later version.                                    *
00017  *                                                                         *
00018  *  This program is distributed in the hope that it will be useful,        *
00019  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
00020  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
00021  *  GNU General Public License for more details.                           *
00022  *                                                                         *
00023  *   You should have received a copy of the GNU General Public License     *
00024  *   along with this program; if not, write to the Free Software           *
00025  *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
00026  *   Boston, MA  02110-1301  USA                                           *
00027  *                                                                         *
00028  ***************************************************************************/
00029 #include <QObject>
00030 
00031 class QRect;
00032 class QPoint;
00033 class QwtPlot;
00034 class QwtScaleWidget;
00035     
00041 class ScalePicker: public QObject
00042 {
00043     Q_OBJECT
00044 public:
00045     ScalePicker(QwtPlot *plot);
00046 
00048     QRect scaleRect(const QwtScaleWidget *) const;
00049 
00051     QRect scaleTicksRect(const QwtScaleWidget *scale) const;
00052 
00057     void refresh();
00058     
00060     QwtPlot *plot() { return (QwtPlot *)parent(); }
00061 
00062 signals:
00064     void clicked();
00065 
00069     void axisRightClicked(int);
00073     void axisTitleRightClicked(int);
00074 
00078     void axisDblClicked(int);
00079 
00083     void xAxisTitleDblClicked();
00087     void yAxisTitleDblClicked();
00091     void rightAxisTitleDblClicked();
00095     void topAxisTitleDblClicked();
00096     
00097 private:
00098     bool eventFilter(QObject *, QEvent *);
00099 
00100     void mouseDblClicked(const QwtScaleWidget *, const QPoint &);
00101     void mouseClicked(const QwtScaleWidget *scale, const QPoint &pos) ;
00102     void mouseRightClicked(const QwtScaleWidget *scale, const QPoint &pos);
00103 };

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