tolinechart.h

Ir a la documentación de este archivo.

//***************************************************************************
/*
 * TOra - An Oracle Toolkit for DBA's and developers
 * Copyright (C) 2000-2001,2001 Underscore AB
 * 
 * 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;  only version 2 of
 * the License is valid for this program.
 * 
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 *      As a special exception, you have permission to link this program
 *      with the Oracle Client libraries and distribute executables, as long
 *      as you follow the requirements of the GNU GPL in regard to all of the
 *      software in the executable aside from Oracle client libraries.
 *
 *      Specifically you are not permitted to link this program with the
 *      Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
 *      And you are not permitted to distribute binaries compiled against
 *      these libraries without written consent from Underscore AB. Observe
 *      that this does not disallow linking to the Qt Free Edition.
 *
 * All trademarks belong to their respective owners.
 *
 ****************************************************************************/

#ifndef __TOLINECHART_H
#define __TOLINECHART_H

#include <list>
#include <qwidget.h>

class QPopupMenu;

class toLineChart : public QWidget {
  Q_OBJECT

  QPopupMenu *Menu;

protected:
  std::list<std::list<double> > Values;
  std::list<QString> XValues;
  std::list<QString> Labels;
  bool Legend;
  bool Last;
  int Grid;
  bool AxisText;
  double MinValue;
  bool MinAuto;
  double MaxValue;
  bool MaxAuto;
  QString YPostfix;
  int Samples;
  QString Title;

  QRect Chart;
  QPoint MousePoint[2];
  int SkipSamples;
  int UseSamples;
  bool Zooming;
  double zMinValue;
  double zMaxValue;

  static double round(double round,bool up);
  QRect fixRect(QPoint p1,QPoint p2);
  virtual void mouseReleaseEvent(QMouseEvent *e);
  virtual void mouseMoveEvent(QMouseEvent *e);
  virtual void mouseDoubleClickEvent(QMouseEvent *e);
  virtual void mousePressEvent(QMouseEvent *e);

  int countSamples(void);
  void clearZoom(void);

  virtual void paintLegend(QPainter *p,QRect &rect);
  virtual void paintTitle(QPainter *p,QRect &rect);
  virtual void paintAxis(QPainter *p,QRect &rect);
  virtual void paintChart(QPainter *p,QRect &rect);
public:
  toLineChart(QWidget *parent=NULL,const char *name=NULL,WFlags f=0);

  toLineChart(toLineChart *chart,QWidget *parent=NULL,const char *name=NULL,WFlags f=0);

  void showLegend(bool on)
  { Legend=on; update(); }
  bool legend(void) const
  { return Legend; }

  void showLast(bool on)
  { Last=on; update(); }
  bool last(void) const
  { return Last; }

  void setTitle(const QString &title=QString::null)
  { Title=title; update(); }
  const QString &title(void)
  { return Title; }

  void showGrid(int div=0)
  { Grid=div; update(); }
  int grid(void) const
  { return Grid; }

  void showAxisLegend(bool on)
  { AxisText=on; update(); }
  bool axisLegend(void) const
  { return AxisText; }

  void setYPostfix(const QString &postfix)
  { YPostfix=postfix; update(); }
  void setMaxValueAuto(void)
  { MaxAuto=true; update(); }
  void setMinValueAuto(void)
  { MinAuto=true; update(); }
  void setMaxValue(double maxVal)
  { MaxAuto=false; MaxValue=maxVal; update(); }
  void setMinValue(double minVal)
  { MinAuto=false; MinValue=minVal; update(); }
  double minValue(void) const
  { return MinValue; }
  double maxValue(void) const
  { return MaxValue; }

  void setSamples(int samples=-1);
  int samples(void) const
  { return Samples; }

  void setLabels(const std::list<QString> &labels)
  { Labels=labels; update(); }
  std::list<QString> &labels(void)
  { return Labels; }

  virtual void addValues(std::list<double> &value,const QString &xValues);

  std::list<QString> &xValues(void)
  { return XValues; }

  std::list<std::list<double> > &values(void)
  { return Values; }

public slots:
  virtual void clear(void)
  { Values.clear(); XValues.clear(); update(); }

  virtual void setup(void);

  virtual void editPrint(void);

  virtual void openCopy(void);
protected:
  virtual void paintEvent(QPaintEvent *e);
};


template <class T>
T max(T a, T b)
{
    return a > b ? a : b ;
}

template <class T>
T min(T a, T b)
{
    return a < b ? a : b ;
}

#endif

---