workspace/plasma/applets/system-monitor/hwinfo.cpp

   1 /*
   2  *   Copyright (C) 2007 Petri Damsten <damu@iki.fi>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #include "hwinfo.h"
  20 #include <Plasma/WebView>
  21 #include <Plasma/IconWidget>
  22 #include <Plasma/Containment>
  23 #include <Plasma/ToolTipManager>
  24 #include <Plasma/Theme>
  25 #include <KStandardDirs>
  26 #include <KIcon>
  27 #include <KTextEdit>
  28 #include <QTextDocument>
  29 #include <QGraphicsLinearLayout>
  30
  31 #define START "<html><head><style type=\"text/css\">\
  32 body { background-color: %1; } \
  33 td { vertical-align: top; font-size:7pt; font-weight:normal; font-style:normal; color: %2; } \
  34 </style></head><body>"
  35 #define START_BASIC "<html><head></head><body>"
  36 #define START_TABLE "<table>"
  37 #define INFO_ROW "<tr><td>%1:</td><td>%2</td></tr>"
  38 #define END_TABLE "</table>"
  39 #define END "</body><html>"
  40
  41 HWInfo::HWInfo(QObject *parent, const QVariantList &args)
  42     : SM::Applet(parent, args), m_info(0), m_icon(0)
  43 {
  44     setHasConfigurationInterface(false);
  45     resize(234 + 20 + 23, 135 + 20 + 25);
  46     setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
  47     connect(Plasma::Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(updateHtml()));
  48 }
  49
  50 HWInfo::~HWInfo()
  51 {
  52 }
  53
  54 void HWInfo::init()
  55 {
  56     setTitle(i18n("Hardware Info"));
  57     appendItem("info");
  58     connectToEngine();
  59 }
  60
  61 bool HWInfo::addMeter(const QString&)
  62 {
  63     if (mode() != SM::Applet::Panel) {
  64         m_info = new Plasma::WebView(this);
  65         m_info->setHtml(QString(START + i18n("Getting hardware information...") + END));
  66         m_icon = 0;
  67         mainLayout()->addItem(m_info);
  68         //m_info->nativeWidget()->document()->setTextWidth(contentsRect().width());
  69         //setPreferredItemHeight(m_info->nativeWidget()->document()->size().height());
  70         setPreferredItemHeight(135);
  71     } else {
  72         m_icon = new Plasma::IconWidget(KIcon("hwinfo"), QString(), this);
  73         m_info = 0;
  74         mainLayout()->addItem(m_icon);
  75     }
  76     return false;
  77 }
  78
  79 void HWInfo::connectToEngine()
  80 {
  81     Applet::connectToEngine();
  82     setEngine(dataEngine("soliddevice"));
  83
  84     m_cpus = engine()->query("IS Processor")["IS Processor"].toStringList();
  85     foreach (const QString& id, m_cpus) {
  86         engine()->connectSource(id, this);
  87     }
  88     m_networks = engine()->query("IS NetworkInterface")["IS NetworkInterface"].toStringList();
  89     foreach (const QString& id, m_networks) {
  90         engine()->connectSource(id, this);
  91     }
  92     m_audios = engine()->query("IS AudioInterface")["IS AudioInterface"].toStringList();
  93     foreach (const QString& id, m_audios) {
  94         engine()->connectSource(id, this);
  95     }
  96     // TODO: get this from soliddevice
  97     Plasma::DataEngine* engine = dataEngine("executable");
  98     QString path = QString::fromLocal8Bit(getenv("PATH")) + QString::fromLatin1(":/usr/sbin:/sbin/");
  99     QString exe = KStandardDirs::findExe( "lspci", path );
 100     if (exe.isEmpty())
 101        kError()  << "lspci not found in " << path << endl;
 102     else
 103     {
 104        QString tmp = exe + " | grep VGA | sed 's/.*: //g'";
 105        engine->connectSource(tmp, this);
 106     }
 107 }
 108
 109 void HWInfo::dataUpdated(const QString& source,
 110                          const Plasma::DataEngine::Data &data)
 111 {
 112     if (m_audios.contains(source) && !m_audioNames.contains(data["Name"].toString()) &&
 113         !data["Name"].toString().isEmpty()) {
 114         m_audioNames.append(data["Name"].toString());
 115     } else if (m_networks.contains(source) && !m_networkNames.contains(data["Product"].toString()) &&
 116                !data["Product"].toString().isEmpty()) {
 117         m_networkNames.append(data["Product"].toString());
 118     } else if (m_cpus.contains(source) && !m_cpuNames.contains(data["Product"].toString()) &&
 119                !data["Product"].toString().isEmpty()) {
 120         m_cpuNames.append(data["Product"].toString().trimmed());
 121     } else if (source.indexOf("VGA") > -1) {
 122         m_gpu = data["stdout"].toString().trimmed();
 123     }
 124     updateHtml();
 125 }
 126
 127 void HWInfo::updateHtml()
 128 {
 129     QString html;
 130     foreach(const QString& cpu, m_cpuNames) {
 131         html += QString(INFO_ROW).arg(i18n("CPU")).arg(cpu);
 132     }
 133     html += QString(INFO_ROW).arg(i18n("GPU")).arg(m_gpu);
 134     foreach(const QString& audio, m_audioNames) {
 135         html += QString(INFO_ROW).arg(i18n("Audio")).arg(audio);
 136     }
 137     foreach(const QString& network, m_networkNames) {
 138         html += QString(INFO_ROW).arg(i18n("Network")).arg(network);
 139     }
 140     html += END_TABLE END;
 141     if (m_info) {
 142         Plasma::Theme* theme = Plasma::Theme::defaultTheme();
 143         html = QString(START START_TABLE)
 144                 .arg(theme->color(Plasma::Theme::BackgroundColor).name())
 145                 .arg(theme->color(Plasma::Theme::TextColor).name()) + html;
 146         m_info->setHtml(html);
 147     } else if (m_icon) {
 148         html = START_BASIC START_TABLE + html;
 149         Plasma::ToolTipContent data(i18n("Hardware Info"), html);
 150         Plasma::ToolTipManager::self()->setContent(m_icon, data);
 151     }
 152 }
 153
 154 #include "hwinfo.moc"