apps/kinfocenter/memory/swapMemoryChart.cpp

   1 /***************************************************************************
   2  *   KT list view item task implementation.                                *
   3  *   --------------------------------------------------------------------  *
   4  *   Copyright (C) 1999, Gary Meyer <gary@meyer.net>                       *
   5  *   --------------------------------------------------------------------  *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  ***************************************************************************/
  11
  12 #include "swapMemoryChart.h"
  13
  14 #include <klocale.h>
  15 #include <kdebug.h>
  16
  17 #include "base.h"
  18
  19
  20 SwapMemoryChart::SwapMemoryChart(QWidget* parent) :
  21         Chart(parent) {
  22
  23         colorsInitialized = false;
  24 }
  25
  26 void SwapMemoryChart::paintEvent(QPaintEvent* /*event*/) {
  27
  28         /* display graphical output (ram, hdd, at last: HDD+RAM) */
  29         /* be careful ! Maybe we have not all info available ! */
  30
  31         // First check swap see bug 167608
  32
  33         if (memoryInfos[SWAP_MEM] == Q_INT64_C(0))
  34                 memoryInfos[SWAP_MEM] = NO_MEMORY_INFO;
  35
  36         // SWAP usage:
  37
  38         t_memsize freeSwap = ZERO_IF_NO_INFO(memoryInfos[FREESWAP_MEM]);
  39         t_memsize swap = ZERO_IF_NO_INFO(memoryInfos[SWAP_MEM]) - freeSwap;
  40
  41         QList<t_memsize> used;
  42
  43         used.append(freeSwap);
  44         used.append(swap);
  45
  46         if (!colorsInitialized) {
  47                 colorsInitialized = true;
  48                 texts.append(i18n("Free Swap"));
  49                 colors.append(COLOR_FREE_MEMORY); // free
  50                 texts.append(i18n("Used Swap"));
  51                 colors.append(COLOR_USED_SWAP); // used swap
  52         }
  53
  54         drawChart(memoryInfos[SWAP_MEM], used, colors, texts);
  55
  56 }