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/*
* Title:	BQwtPlot.cpp
* Author:	M.Thomas BEAM Ltd
* Date:		2007-04-19
*
* Contents:	Enhanced plotting widget. Used for tms testing.
*
*
*/

#ifndef BQWTPLOT_H
#define BQWTPLOT_H

#include <qwt/qwt_plot.h>
#include <qdialog.h>
#include <qspinbox.h>
#include <BList.h>
#include <BString.h>
#include <BArray.h>


class	BQwtPlot;

class CurveInfo	{
	public:
		CurveInfo(){};
		CurveInfo(BString ititle,BString icolour,BQwtPlot* iplot,double igain = 1,double ioffset = 0);
	public:	
		void applyGainAndOffset();

		BQwtPlot*	plot;
		long		curve;
		BString		title;
		BString		colour;
		double		gain;
		double		offset;	
		BArray<double>	data;
};


class	BQwtPlotControl: public QDialog {
        Q_OBJECT
public:
	BQwtPlotControl(QWidget*p,BQwtPlot* plot);

private slots:
	void 	update();
	void 	close();
	void	scroll();
	void	zoomIn();
	void	zoomOut();

private:
	BQwtPlot*	oplot;
	QScrollBar*	oscroll;
	QPushButton*	ozoomIn;
	QPushButton*	ozoomOut;
	QSpinBox*	oymin;
	QSpinBox*	oymax;
};

class	BQwtPlotControlBasic: public QWidget {
        Q_OBJECT
public:
	BQwtPlotControlBasic(QWidget*p,BQwtPlot* plot);

	void addPlot(BQwtPlot* plot);			// Add plot to be managed

private slots:
	void	scroll();
	void	zoomIn();
	void	zoomOut();

private:
	BList<BQwtPlot*>	oplots;
	QScrollBar*		oscroll;
	QPushButton*		ozoomIn;
	QPushButton*		ozoomOut;
};





class BQwtPlot : public QwtPlot {
        Q_OBJECT
public:
	BQwtPlot(QWidget *p = 0, const char *name = 0);
	~BQwtPlot() {}
	

	void	setRange(int range);
	void	getRange(int& max,int& actual);
	void 	syntheticWheelEvent(QWheelEvent * e ); 
	void	setPosition(int pos);
	void	zoomIn();
	void	zoomOut();
	void 	setAxisScale(int axis,double mn,double mx);

	BQwtPlotControl*	getPlotControls();		// Simple controls- scrollbar.

	void	getYLeftMaxMin(double& min,double& max);

signals:
	void	plotEvent(QWheelEvent *e);
	void	plotEvent();
protected:
	void 	wheelEvent(QWheelEvent * e ); 

public slots:
	void 	mouseReleased(const QMouseEvent& e );

private:
	void	scroll(int scroll);
	void 	zoomX(int zoom,int zoompos);
	
	double			oyLeftMax;
	double			oyLeftMin;
	int			oxmin;		
	int			oxmax;
	int			oxrange;
	int			oxrangeMax;
	int			oxzoom;
	int			oxscroll;
	BQwtPlotControl*	ocontrol;
};

#endif