applet/system_monitor.h

   1 /***********************************************************************************
   2 * System Monitor: Plasmoid and data engines to monitor CPU/Memory/Swap Usage.
   3 * Copyright (C) 2008  Matthew Dawson
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License
   7 * as published by the Free Software Foundation; either version 2
   8 * of the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 *
  19 ***********************************************************************************/
  20
  21 #ifndef SYSTEM_MONITOR_H
  22 #define SYSTEM_MONITOR_H
  23
  24 #include <Plasma/Applet>
  25 #include <Plasma/Svg>
  26 #include <Plasma/DataEngine>
  27
  28 #include "ui_coloursConfig.h"
  29 #include "ui_generalConfig.h"
  30
  31 class QString;
  32 class QSizeF;
  33 class QPainter;
  34 class QStyleOptionGraphicsItem;
  35
  36 class systemMonitor : public Plasma::Applet{
  37 Q_OBJECT
  38
  39 public:
  40         systemMonitor(QObject *parent, const QVariantList &args);
  41         ~systemMonitor();
  42
  43         void constraintsEvent(Plasma::Constraints constraints);
  44
  45         void paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option, const QRect& contentsRect);
  46         void init();
  47
  48 protected slots:
  49         void dataUpdated(const QString& source, const Plasma::DataEngine::Data &data);
  50         void configUpdated();
  51
  52 private:
  53         void paintCPUUsage(QPainter *p, const QStyleOptionGraphicsItem *option, const QRect& contentsRect);
  54         void paintSwapUsage(QPainter *p, const QStyleOptionGraphicsItem *option, const QRect& contentsRect);
  55         void paintRAMUsage(QPainter *p, const QStyleOptionGraphicsItem *option, const QRect& contentsRect);
  56         void paintFrontGlass(QPainter *p, const QStyleOptionGraphicsItem *option, const QRect& contentsRect);
  57
  58         void readConfig();
  59         void createConfigurationInterface(KConfigDialog *parent);
  60
  61         double m_user, m_sys, m_nice, m_idle, m_disk;
  62         double m_ramfree, m_ramused, m_rambuffers, m_ramcached;
  63         double m_swapfree, m_swapused;
  64
  65         Ui::generalConfig uiGeneral;
  66         Ui::coloursConfig uiColours;
  67
  68         bool m_isVertical;
  69         bool m_useOxygen;
  70         QColor m_cpuUserColour;
  71         QColor m_cpuNiceColour;
  72         QColor m_cpuDiskColour;
  73         QColor m_cpuSysColour;
  74         QColor m_ramCachedColour;
  75         QColor m_ramBuffersColour;
  76         QColor m_ramUsedColour;
  77         QColor m_swapUsedColour;
  78 };
  79
  80 K_EXPORT_PLASMA_APPLET(system_monitor, systemMonitor)
  81
  82 #endif