ScalePicker.h

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/***************************************************************************
    File                 : ScalePicker.h
    Project              : SciDAVis
    --------------------------------------------------------------------
    Copyright            : (C) 2006 by Ion Vasilief, Tilman Benkert
    Email (use @ for *)  : ion_vasilief*yahoo.fr, thzs*gmx.net
    Description          : Scale picker
                           
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  This program is free software; you can redistribute it and/or modify   *
 *  it under the terms of the GNU General Public License as published by   *
 *  the Free Software Foundation; either version 2 of the License, or      *
 *  (at your option) any later version.                                    *
 *                                                                         *
 *  This program is distributed in the hope that it will be useful,        *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *  GNU General Public License for more details.                           *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#include <QObject>

class QRect;
class QPoint;
class QwtPlot;
class QwtScaleWidget;
class Graph;
    
class ScalePicker: public QObject
{
    Q_OBJECT
public:
    ScalePicker(QwtPlot *plot);

    QRect scaleRect(const QwtScaleWidget *) const;

    QRect scaleTicksRect(const QwtScaleWidget *scale) const;
    
    QRect titleRect(const QwtScaleWidget *scale) const;

    void refresh();
    
    QwtPlot *plot() { return (QwtPlot *)parent(); }
    Graph *graph() { return (Graph *)(parent()->parent()); }

    void deselect();
    
    bool titleSelected(){return d_title_selected;};
    void selectTitle(QwtScaleWidget *scale, bool select = true);
    
    bool labelsSelected(){return d_labels_selected;};
    void selectLabels(QwtScaleWidget *scale, bool select = true);
    
    QwtScaleWidget* selectedAxis(){return d_selected_axis;};
    QwtScaleWidget* currentAxis(){return d_current_axis;};

signals:
    void clicked();

    void axisRightClicked(int);
    void axisTitleRightClicked(int);

    void axisDblClicked(int);

    void xAxisTitleDblClicked();
    void yAxisTitleDblClicked();
    void rightAxisTitleDblClicked();
    void topAxisTitleDblClicked();
    
private:
    bool eventFilter(QObject *, QEvent *);

    void mouseDblClicked(const QwtScaleWidget *, const QPoint &);
    void mouseClicked(const QwtScaleWidget *scale, const QPoint &pos) ;
    void mouseRightClicked(const QwtScaleWidget *scale, const QPoint &pos);

    bool d_title_selected;
    bool d_labels_selected;
    QwtScaleWidget *d_selected_axis, *d_current_axis;
};