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Viewing changes to kinfocenter/Modules/memory/physicalMemoryChart.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kinfocenter/Modules/memory/physicalMemoryChart.cpp
 
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/***************************************************************************
 
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 *   KT list view item task implementation.                                *
 
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 *   --------------------------------------------------------------------  *
 
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 *   Copyright (C) 1999, Gary Meyer <gary@meyer.net>                       *
 
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 *   --------------------------------------------------------------------  *
 
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 *   This program is free software; you can redistribute it and/or modify  *
 
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 *   it under the terms of the GNU General Public License as published by  *
 
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 *   the Free Software Foundation; either version 2 of the License, or     *
 
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 *   (at your option) any later version.                                   *
 
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 ***************************************************************************/
 
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#include "physicalMemoryChart.h"
 
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#include <klocale.h>
 
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#include <kdebug.h>
 
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#include "base.h"
 
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PhysicalMemoryChart::PhysicalMemoryChart(QWidget* parent) :
 
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        Chart(parent) {
 
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        colorsInitialized = false;
 
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}
 
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void PhysicalMemoryChart::paintEvent(QPaintEvent* /*event*/) {
 
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        /* RAM usage: */
 
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        /* don't rely on the SHARED_MEM value since it may refer to
 
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         * the size of the System V sharedmem in 2.4.x. Calculate instead! */
 
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        t_memsize bufferMemory;
 
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        bufferMemory = 0;
 
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#if !defined(__svr4__) || !defined(sun)
 
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#if !defined(__NetBSD__) && !defined(__OpenBSD__)
 
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        bufferMemory = ZERO_IF_NO_INFO(memoryInfos[BUFFER_MEM]);
 
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#endif
 
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#endif
 
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        t_memsize cachedMemory = ZERO_IF_NO_INFO(memoryInfos[CACHED_MEM]);
 
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        t_memsize freeMemory = ZERO_IF_NO_INFO(memoryInfos[FREE_MEM]);
 
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        t_memsize totalMemory = ZERO_IF_NO_INFO(memoryInfos[TOTAL_MEM]) - bufferMemory - cachedMemory - freeMemory;
 
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        QList<t_memsize> used;
 
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        used.append(freeMemory);
 
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        used.append(cachedMemory);
 
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        used.append(bufferMemory);
 
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        used.append(totalMemory);
 
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        if (!colorsInitialized) {
 
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                colorsInitialized = true;
 
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                texts.append(i18n("Free Physical Memory"));
 
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                colors.append(COLOR_FREE_MEMORY); // free 
 
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                texts.append(i18n("Disk Cache"));
 
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                colors.append(QColor(88, 176, 36)); // cached 
 
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                texts.append(i18n("Disk Buffers"));
 
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                colors.append(QColor(118, 237, 49)); // buffer
 
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                texts.append(i18n("Application Data"));
 
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                colors.append(COLOR_USED_MEMORY); // used+shared
 
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        }
 
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        drawChart(memoryInfos[TOTAL_MEM], used, colors, texts);
 
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}