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<TITLE>Source: tolinechart.h</TITLE>
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<h1>Source: tolinechart.h</h1>
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<TD align="right"><TABLE BORDER="0"><TR><TD><small><A HREF="index-long.html">Annotated List</A></small></TD></TR>
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<TR><TD><small><A HREF="header-list.html">Files</A></small></TD></TR>
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<TR><TD><small><A HREF="all-globals.html">Globals</A></small></TD></TR>
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<TR><TD><small><A HREF="hier.html">Hierarchy</A></small></TD></TR>
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<TR><TD><small><A HREF="index.html">Index</A></small></TD></TR>
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* TOra - An Oracle Toolkit for DBA's and developers
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* Copyright (C) 2003-2005 Quest Software, Inc
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* Portions Copyright (C) 2005 Other Contributors
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; only version 2 of
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* the License is valid for this program.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* As a special exception, you have permission to link this program
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* with the Oracle Client libraries and distribute executables, as long
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* as you follow the requirements of the GNU GPL in regard to all of the
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* software in the executable aside from Oracle client libraries.
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* Specifically you are not permitted to link this program with the
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* Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
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* And you are not permitted to distribute binaries compiled against
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* these libraries without written consent from Quest Software, Inc.
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* Observe that this does not disallow linking to the Qt Free Edition.
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* You may link this product with any GPL'd Qt library such as Qt/Free
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* All trademarks belong to their respective owners.
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/** A widget that displays a linechart with optional background throbber (Not implemented yet).
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class toLineChart : public QWidget {
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QScrollBar *Horizontal;
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std::list<std::list<double> > Values;
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std::list<QString> XValues;
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std::list<QString> Labels;
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std::list<bool> Enabled;
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QPoint MousePoint[2];
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static double round(double round,bool up);
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QRect fixRect(QPoint p1,QPoint p2);
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virtual void mouseReleaseEvent(QMouseEvent *e);
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virtual void mouseMoveEvent(QMouseEvent *e);
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virtual void mouseDoubleClickEvent(QMouseEvent *e);
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virtual void mousePressEvent(QMouseEvent *e);
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int countSamples(void);
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void clearZoom(void);
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virtual void paintLegend(QPainter *p,QRect &rect);
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virtual void paintTitle(QPainter *p,QRect &rect);
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virtual void paintAxis(QPainter *p,QRect &rect);
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virtual void paintChart(QPainter *p,QRect &rect);
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/** Create a new linechart.
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* @param parent Parent widget.
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* @param name Name of widget.
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* @param f Widget flags.
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toLineChart(QWidget *parent=NULL,const char *name=NULL,WFlags f=0);
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/** Create a new chart by copying all the data from another chart.
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* @param chart Chart to copy data from.
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* @param parent Parent widget.
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* @param name Name of widget.
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* @param f Widget flags.
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toLineChart(toLineChart *chart,QWidget *parent=NULL,const char *name=NULL,WFlags f=0);
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/** Specify if legend should be displayed to the right of the graph, default is on.
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* @param on Whether to display legend or not.
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void showLegend(bool on)
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{ Legend=on; update(); }
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/** Check if legend is displayed or not.
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* @return If legend is displayed or not.
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bool legend(void) const
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/** Show most recent value on top of graph
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* @param on Whether to display or not.
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void showLast(bool on)
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{ Last=on; update(); }
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/** Check if last value is displayed or not.
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* @return If value is displayed or not.
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bool last(void) const
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/** Set title of the chart. Set to empty string to not display title.
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* @param title Title of chart.
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void setTitle(const QString &title=QString::null)
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{ Title=title; setCaption(title); update(); }
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/** Get title of chart.
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* @return Title of chart.
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const QString &title(void)
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/** Specify if a grid should be displayed in the graph, default is on.
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* @param div Number of parts to divide grid into.
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void showGrid(int div=0)
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{ Grid=div; update(); }
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/** Check if grid is displayed or not.
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* @return Number of parts to divide grid into.
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/** Specify if a y-axis legend should be displayed in the graph, default is on.
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* @param on Whether to display legend or not.
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void showAxisLegend(bool on)
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{ AxisText=on; update(); }
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/** Check if y-axis legend is displayed or not.
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* @return If legend is displayed or not.
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bool axisLegend(void) const
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/** Set y postfix value. This will be appended to the values in the axis legend.
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* @param postfix The string to append.
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void setYPostfix(const QString &postfix)
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{ YPostfix=postfix; update(); }
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/** Set max value on y-axis to auto.
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void setMaxValueAuto(void)
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{ MaxAuto=true; update(); }
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/** Set min value on y-axis to auto.
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void setMinValueAuto(void)
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{ MinAuto=true; update(); }
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/** Set max value on y-axis.
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* @param val Max value on y-axis.
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void setMaxValue(double maxVal)
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{ MaxAuto=false; MaxValue=maxVal; update(); }
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/** Set min value on y-axis.
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* @param val Min value on y-axis.
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void setMinValue(double minVal)
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{ MinAuto=false; MinValue=minVal; update(); }
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/** Get minimum value on y-axis. Will not return the automatically determinned minimum value.
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* @return Minimum value on y-axis.
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double minValue(void) const
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/** Get maximum value on y-axis. Will not return the automatically determinned maximum value.
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* @return Maximum value on y-axis.
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double maxValue(void) const
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/** Set the number of samples on the x-axis. Setting samples to -1 will keep all entries.
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* @param samples Number of samples.
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void setSamples(int samples=-1);
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/** Get the maximum number of samples on the x-axis.
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* @return Max number of samples.
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int samples(void) const
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/** Set the labels on the chart lines.
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* @param labels Labels of the lines. Empty labels will not show up in the legend.
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void setLabels(const std::list<QString> &labels)
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{ Labels=labels; update(); }
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/** Get the labels of the chart lines.
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* @return List of labels.
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std::list<QString> &labels(void)
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/** Add a new value set to the chart.
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* @param value New values for charts (One for each line).
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* @param label X-value on these values.
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virtual void addValues(std::list<double> &value,const QString &xValues);
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/** Get list of labels
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* @return List of labels
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std::list<QString> &xValues(void)
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/** Get list of values.
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* @return Values in piechart.
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std::list<std::list<double> > &values(void)
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/** Export chart to a map.
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* @param data A map that can be used to recreate the data of a chart.
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* @param prefix Prefix to add to the map.
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virtual void exportData(std::map<QCString,QString> &data,const QCString &prefix);
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* @param data Data to read from a map.
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* @param prefix Prefix to read data from.
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virtual void importData(std::map<QCString,QString> &data,const QCString &prefix);
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/** Get enabled datavalues. Values in this list with false are not drawn in the chart.
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* Could be an empty list if everything is enabled.
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std::list<bool> enabledCharts(void)
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/** Set enabled datavalues. Values in this list with false are not drawn in the chart.
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void setEnabledCharts(std::list<bool> &enabled)
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{ Enabled=enabled; update(); }
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/** Open chart in new window.
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virtual toLineChart *openCopy(QWidget *parent);
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/** A new value set was added to the chart.
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* @param value New values for charts (One for each line).
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* @param label X-value on these values.
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virtual void valueAdded(std::list<double> &value,const QString &xValues);
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/** Clear the values from the chart.
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virtual void clear(void)
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{ Values.clear(); XValues.clear(); update(); }
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/** Setup values of charts.
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virtual void setup(void);
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virtual void editPrint(void);
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/** Reimplemented for internal reasons.
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virtual void paintEvent(QPaintEvent *e);
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/** Reimplemented for internal reasons.
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virtual void addMenues(QPopupMenu *)
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void horizontalChange(int);
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void verticalChange(int);
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void chartSetup(void);
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