workspace/ksysguard/gui/SensorDisplayLib/FancyPlotter.h

   1 /*
   2     KSysGuard, the KDE System Guard
   3
   4     Copyright (c) 1999 - 2001 Chris Schlaeger <cs@kde.org>
   5
   6     This program is free software; you can redistribute it and/or
   7     modify it under the terms of the GNU General Public
   8     License version 2 or at your option version 3 as published by
   9     the Free Software Foundation.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19
  20 */
  21
  22 #ifndef KSG_FANCYPLOTTER_H
  23 #define KSG_FANCYPLOTTER_H
  24
  25 #include <SensorDisplay.h>
  26 #include <QList>
  27
  28 #include "SignalPlotter.h"
  29 #include "SharedSettings.h"
  30
  31 class FancyPlotterSettings;
  32 class QLabel;
  33 class SensorToAdd;
  34 class FancyPlotterLabel;
  35
  36 class FPSensorProperties : public KSGRD::SensorProperties
  37 {
  38   public:
  39     FPSensorProperties();
  40     FPSensorProperties( const QString &hostName, const QString &name,
  41                         const QString &type, const QString &description,
  42                         const QColor &color, const QString &regexpName = QString(),
  43                         int beamId = -1, const QString &summationName = QString());
  44     ~FPSensorProperties();
  45
  46     void setColor( const QColor &color );
  47     QColor color() const;
  48     int beamId;
  49     QString summationName;
  50     double maxValue;
  51     double lastValue;
  52
  53   private:
  54     QColor mColor;
  55 };
  56
  57 class FancyPlotter : public KSGRD::SensorDisplay
  58 {
  59   Q_OBJECT
  60
  61   public:
  62     FancyPlotter( QWidget* parent, const QString& title, SharedSettings *workSheetSettings);
  63     virtual ~FancyPlotter();
  64
  65     void configureSettings();
  66
  67     bool addSensor( const QString &hostName, const QString &name,
  68                     const QString &type, const QString &title );
  69     bool addSensor( const QString &hostName, const QString &name,
  70                     const QString &type, const QString &title,
  71                     const QColor &color, const QString &regexpName = QString(),
  72                     int sumToSensor = -1, const QString &summationName = QString());
  73
  74     bool removeSensor( uint pos );
  75
  76     virtual void setTitle( const QString &title );
  77
  78     virtual void answerReceived( int id, const QList<QByteArray> &answerlist );
  79
  80     virtual bool restoreSettings( QDomElement &element );
  81     virtual bool saveSettings( QDomDocument &doc, QDomElement &element );
  82
  83     virtual bool hasSettingsDialog() const;
  84
  85   public Q_SLOTS:
  86     virtual void applyStyle();
  87   private Q_SLOTS:
  88     void settingsFinished();
  89     void applySettings();
  90     void plotterAxisScaleChanged();
  91
  92   protected:
  93     /** When we receive a timer tick, draw the beams and request new information to update the beams*/
  94     virtual void timerTick( );
  95     virtual bool eventFilter( QObject*, QEvent* );
  96     void setTooltip();
  97
  98   private:
  99     uint mBeams;
 100     /** Number of beams we've received an answer from since asking last */
 101     uint mNumAccountedFor;
 102
 103     /** When we talk to the sensor, it tells us a range.  Record the max here.  equals 0 until we have an answer from it */
 104     double mSensorReportedMax;
 105     /** When we talk to the sensor, it tells us a range.  Record the min here.  equals 0 until we have an answer from it */
 106     double mSensorReportedMin;
 107
 108     /** The widget that actually draws the beams */
 109     KSignalPlotter* mPlotter;
 110
 111     /**
 112       The sample buffer and the flags are needed to store the incoming
 113       samples for each beam until all samples of the period have been
 114       received. The flags variable is used to ensure that all samples have
 115       been received.
 116      */
 117     QList<double> mSampleBuf;
 118
 119     FancyPlotterSettings* mSettingsDialog;
 120     QLabel *mHeading;
 121
 122     QString mUnit;
 123
 124     QList<SensorToAdd *> mSensorsToAdd;
 125     QBoxLayout *mLabelLayout;
 126     QChar mIndicatorSymbol;
 127 };
 128
 129 #endif