Source: tolegendchart.h


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//***************************************************************************
/*
 * TOra - An Oracle Toolkit for DBA's and developers
 * Copyright (C) 2003 Quest Software, Inc
 * 
 * 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 Quest Software, Inc.
 *      Observe that this does not disallow linking to the Qt Free Edition.
 *
 * All trademarks belong to their respective owners.
 *
 ****************************************************************************/

#ifndef TOLEGENDCHART_H
#define TOLEGENDCHART_H

#include <list>

#include <qwidget.h>

/** A widget that displays a legend to other charts.
 */

class toLegendChart : public QWidget {
  Q_OBJECT

  int Columns;
  QString Title;

  std::list<QString> Labels;
  std::list<int> sizeHint(int &height,int &items);
public:
  /** Create a new legend.
   * @param columns Columns.
   * @param parent Parent widget.
   * @param name Name of widget.
   * @param f Widget flags.
   */
  toLegendChart(int columns,QWidget *parent=NULL,const char *name=NULL,WFlags f=0);

  /** Set title of the chart. Set to empty string to not display title.
   * @param title Title of chart.
   */
  void setTitle(const QString &title=QString::null)
  { Title=title; update(); }
  /** Get title of chart.
   * @return Title of chart.
   */
  const QString &title(void)
  { return Title; }

  /** Set list of chart labels.
   * @param labels List of labels, if label is empty it will not appear in legend.
   */
  void setLabels(std::list<QString> &labels);
  /** Add a value to the chart.
   * @param value New value to add.
   * @param label Label of this new value.
   */
  void addLabel(const QString &label);
  /** Get labels of chart.
   * @return List of labels.
   */
  std::list<QString> &labels(void)
  { return Labels; }
  /** Reimplemented for internal reasons.
   */
  virtual QSize sizeHint();
protected:
  /** Reimplemented for internal reasons.
   */
  virtual void paintEvent(QPaintEvent *e);
};

#endif