apps/kinfocenter/memory/totalMemoryChart.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 "totalMemoryChart.h"
  13
  14 #include <klocale.h>
  15 #include <kdebug.h>
  16
  17 #include "base.h"
  18
  19
  20 TotalMemoryChart::TotalMemoryChart(QWidget* parent) :
  21         Chart(parent) {
  22
  23         colorsInitialized = false;
  24 }
  25
  26 void TotalMemoryChart::paintEvent(QPaintEvent* /*event*/) {
  27         // RAM + SWAP usage:
  28         if (memoryInfos[SWAP_MEM] == NO_MEMORY_INFO || memoryInfos[FREESWAP_MEM] == NO_MEMORY_INFO)
  29                 memoryInfos[SWAP_MEM] = memoryInfos[FREESWAP_MEM] = 0;
  30
  31         t_memsize usedSwap = memoryInfos[SWAP_MEM] - memoryInfos[FREESWAP_MEM];
  32         t_memsize totalFree = memoryInfos[FREE_MEM] + memoryInfos[FREESWAP_MEM];
  33         t_memsize usedPhysical = (memoryInfos[TOTAL_MEM]+memoryInfos[SWAP_MEM])-usedSwap-totalFree;
  34
  35         QList<t_memsize> used;
  36
  37         used.append(totalFree);
  38         used.append(usedSwap);
  39         used.append(usedPhysical);
  40
  41         if (!colorsInitialized) {
  42                 colorsInitialized = true;
  43                 texts.append(i18n("Total Free Memory"));
  44                 colors.append(COLOR_FREE_MEMORY); // free ram+swap
  45                 texts.append(i18n("Used Swap"));
  46                 colors.append(COLOR_USED_SWAP); // used swap
  47                 texts.append(i18n("Used Physical Memory"));
  48                 colors.append(COLOR_USED_MEMORY); // used ram
  49         }
  50
  51         drawChart(memoryInfos[TOTAL_MEM] + memoryInfos[SWAP_MEM], used, colors, texts);
  52
  53 }