ScalePicker.h

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00001 /***************************************************************************
00002     File                 : ScalePicker.h
00003     Project              : QtiPlot
00004     --------------------------------------------------------------------
00005     Copyright            : (C) 2007 by Ion Vasilief
00006     Email (use @ for *)  : ion_vasilief*yahoo.fr
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 QwtScaleWidget;
00034 class Graph;
00035     
00041 class ScalePicker: public QObject
00042 {
00043     Q_OBJECT
00044 public:
00045     ScalePicker(Graph *plot);
00046 
00048     QRect scaleRect(const QwtScaleWidget *) const;
00049 
00051     QRect scaleTicksRect(const QwtScaleWidget *scale) const;
00052     
00054     QRect titleRect(const QwtScaleWidget *scale) const;
00055 
00060     void refresh();
00061 
00063     Graph *plot() {return (Graph *)parent();};
00064 
00065     void deselect();
00066     
00067     bool titleSelected(){return d_title_selected;};
00068     void selectTitle(QwtScaleWidget *scale, bool select = true);
00069     
00070     bool labelsSelected(){return d_labels_selected;};
00071     void selectLabels(QwtScaleWidget *scale, bool select = true);
00072     
00076     QwtScaleWidget* selectedAxis(){return d_selected_axis;};
00078     QwtScaleWidget* currentAxis(){return d_current_axis;};
00079 
00080 signals:
00082     void clicked();
00083 
00087     void axisRightClicked(int);
00089     void axisTitleRightClicked();
00090 
00094     void axisDblClicked(int);
00095 
00098     void axisTitleDblClicked();
00099     
00100 private:
00101     bool eventFilter(QObject *, QEvent *);
00102 
00103     void mouseDblClicked(const QwtScaleWidget *, const QPoint &);
00104     void mouseClicked(const QwtScaleWidget *scale, const QPoint &pos) ;
00105     void mouseRightClicked(const QwtScaleWidget *scale, const QPoint &pos);
00106 
00107     bool d_title_selected;
00108     bool d_labels_selected;
00109     QwtScaleWidget *d_selected_axis, *d_current_axis;
00110 };

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