1 files changed, 184 insertions, 0 deletions
diff --git a/ksim/library/chart.h b/ksim/library/chart.h
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+++ b/ksim/library/chart.h
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+/*  ksim - a system monitor for kde
+ *
+ *  Copyright (C) 2001  Robbie Ward <linuxphreak@gmx.co.uk>
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef KSIM__CHART_H
+#define KSIM__CHART_H
+
+#include <qwidget.h>
+#include "common.h"
+
+#include <kdemacros.h>
+
+class QColor;
+
+namespace KSim
+{
+  /**
+   * provides a graph displaying data onscreen using gkrellm themes
+   * @author Robbie Ward <linuxphreak@gmx.co.uk>
+   */
+  class KDE_EXPORT Chart : public QWidget, public KSim::Base
+  {
+    Q_OBJECT
+    public:
+      enum DataType { DataIn = 0, DataOut };
+      enum LabelType { Label = 0, Progress, Led };
+      /**
+       * Constructs a KSim::Chart.
+       *
+       * @param displayMeter is if the krellbar should be shown
+       * @param minValue is the minimum value to show
+       * @param maxValue is the maximum value to show
+       * @param title is the title off the krell bar (if enabled)
+       * @param parent is the parent widget
+       */
+      Chart(bool displayMeter, int maxValue,
+         const QString &title, QWidget *parent,
+         const char *name = 0, WFlags fl = 0);
+      /**
+       * Constructs a KSim::Chart.
+       *
+       * @param showKrell is if the krellbar should be shown
+       * @param minValue is the minimum value to show
+       * @param maxValue is the maximum value to show
+       * @param parent is the parent widget
+       */
+      Chart(bool displayMeter, int maxValue,
+         QWidget *parent, const char *name = 0,
+         WFlags fl = 0);
+      /**
+       * destructs KSim::Chart
+       */
+      virtual ~Chart();
+
+      /**
+       * returns the current text of the chart
+       */
+      const QString &text(DataType type) const;
+      /**
+       * @return the title of the chart
+       */
+      const QString &title() const;
+      /**
+       * @return true if the meter is enabled
+       */
+      bool displayMeter() const;
+      /**
+       * @return the minimum value
+       */
+      int minValue() const;
+      /**
+       * @return the minimum value
+       */
+      int maxValue() const;
+      /**
+       * @return the current value
+       */
+      int value(DataType dataType) const;
+      /**
+       * sets the type of the label that will appear under the graph
+       */
+      void setLabelType(LabelType labelType);
+      /**
+       * @return the current label type, one of: Label, Progress, Led
+       */
+      LabelType labelType() const;
+
+      /**
+       * reimplemented for internal reasons
+       */
+      virtual void configureObject(bool repaintWidget = true);
+
+      /**
+       * reimplemented for internal reasons
+       */
+      QSize sizeHint() const;
+      /**
+       * reimplemented for internal reasons
+       */
+      QSize minimumSizeHint() const;
+
+      void disableAutomaticUpdates();
+
+    public slots:
+      /**
+       * Cleats the graphs contents
+       */
+      void clear();
+      /**
+       * sets the title of the chart, this function returns if
+       * the optional krell widget is disabled
+       */
+      void setTitle(const QString &);
+      /**
+       * turns the meter on and off
+       */
+      void setDisplayMeter(bool);
+      /**
+       * sets the current text that apears in the top left hand corner
+       */
+      void setText(const QString &in, const QString &out = QString::null);
+      /**
+       * Sets the minimum value the graph will display
+       */
+      void setMinValue(int);
+      /**
+       * Sets the maximum value the graph will display
+       */
+      void setMaxValue(int);
+      /**
+       * sets the value of the graph
+       */
+      void setValue(int valueIn, int valueOut = 0);
+
+    protected:
+      /**
+       * Set the config values depending on the chart type
+       */
+      void setConfigValues();
+      /**
+       * reimplemented for internal reasons
+       */
+      virtual void extraTypeCall();
+
+      QColor chartColour(const DataType &dataType, int x = 1, int y = 1) const;
+      virtual void paintEvent(QPaintEvent *);
+      virtual void fontChange(const QFont &);
+      virtual void resizeEvent(QResizeEvent *re);
+
+    protected slots:
+      void updateDisplay();
+
+    private:
+      void buildPixmaps();
+      int yLocation(int) const;
+      void drawChart();
+      QSize chartSize() const;
+      QBitmap drawMask(QPainter *);
+      void drawIn(QPainter *, int, int, bool = false);
+      void drawOut(QPainter *, int, int, bool = false);
+      int range(int) const;
+      void init(bool, int, const QString &);
+
+      class Timer;
+      class Private;
+      Private *d;
+  };
+}
+#endif